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* Format String Generator for IDL Compiler * * Copyright 2005-2006 Eric Kohl * Copyright 2005-2006 Robert Shearman * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */
#include "config.h"
#include <stdio.h>#include <stdlib.h>#include <string.h>#include <assert.h>#include <ctype.h>#include <limits.h>
#include "widl.h"#include "utils.h"#include "parser.h"#include "header.h"#include "typetree.h"
#include "typegen.h"#include "expr.h"
/* round size up to multiple of alignment */#define ROUND_SIZE(size, alignment) (((size) + ((alignment) - 1)) & ~((alignment) - 1))/* value to add on to round size up to a multiple of alignment */#define ROUNDING(size, alignment) (((alignment) - 1) - (((size) + ((alignment) - 1)) & ((alignment) - 1)))
static const type_t *current_structure;static const var_t *current_func;static const var_t *current_arg;static const type_t *current_iface;
static struct list expr_eval_routines = LIST_INIT(expr_eval_routines);struct expr_eval_routine{ struct list entry; const type_t *iface; const type_t *cont_type; char *name; unsigned int baseoff; const expr_t *expr;};
enum type_context{ TYPE_CONTEXT_TOPLEVELPARAM, TYPE_CONTEXT_PARAM, TYPE_CONTEXT_CONTAINER, TYPE_CONTEXT_CONTAINER_NO_POINTERS, TYPE_CONTEXT_RETVAL,};
/* parameter flags in Oif mode */static const unsigned short MustSize = 0x0001;static const unsigned short MustFree = 0x0002;static const unsigned short IsPipe = 0x0004;static const unsigned short IsIn = 0x0008;static const unsigned short IsOut = 0x0010;static const unsigned short IsReturn = 0x0020;static const unsigned short IsBasetype = 0x0040;static const unsigned short IsByValue = 0x0080;static const unsigned short IsSimpleRef = 0x0100;/* static const unsigned short IsDontCallFreeInst = 0x0200; *//* static const unsigned short SaveForAsyncFinish = 0x0400; */
/* robust flags in correlation descriptors */static const unsigned short RobustEarly = 0x0001;/* static const unsigned short RobustSplit = 0x0002; */static const unsigned short RobustIsIIdIs = 0x0004;/* static const unsigned short RobustDontCheck = 0x0008; */
static unsigned int field_memsize(const type_t *type, unsigned int *offset);static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align);static unsigned int write_array_tfs(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, const char *name, unsigned int *typestring_offset);static const var_t *find_array_or_string_in_struct(const type_t *type);static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, enum type_context context, const char *name, unsigned int *typestring_offset);static unsigned int write_type_tfs(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, const char *name, enum type_context context, unsigned int *typeformat_offset);static unsigned int get_required_buffer_size_type( const type_t *type, const char *name, const attr_list_t *attrs, int toplevel_attrs, int toplevel_param, unsigned int *alignment );static unsigned int get_function_buffer_size( const var_t *func, enum pass pass );
static const char *string_of_type(unsigned char type){ switch (type) { case FC_BYTE: return "FC_BYTE"; case FC_CHAR: return "FC_CHAR"; case FC_SMALL: return "FC_SMALL"; case FC_USMALL: return "FC_USMALL"; case FC_WCHAR: return "FC_WCHAR"; case FC_SHORT: return "FC_SHORT"; case FC_USHORT: return "FC_USHORT"; case FC_LONG: return "FC_LONG"; case FC_ULONG: return "FC_ULONG"; case FC_FLOAT: return "FC_FLOAT"; case FC_HYPER: return "FC_HYPER"; case FC_DOUBLE: return "FC_DOUBLE"; case FC_ENUM16: return "FC_ENUM16"; case FC_ENUM32: return "FC_ENUM32"; case FC_IGNORE: return "FC_IGNORE"; case FC_ERROR_STATUS_T: return "FC_ERROR_STATUS_T"; case FC_RP: return "FC_RP"; case FC_UP: return "FC_UP"; case FC_OP: return "FC_OP"; case FC_FP: return "FC_FP"; case FC_ENCAPSULATED_UNION: return "FC_ENCAPSULATED_UNION"; case FC_NON_ENCAPSULATED_UNION: return "FC_NON_ENCAPSULATED_UNION"; case FC_STRUCT: return "FC_STRUCT"; case FC_PSTRUCT: return "FC_PSTRUCT"; case FC_CSTRUCT: return "FC_CSTRUCT"; case FC_CPSTRUCT: return "FC_CPSTRUCT"; case FC_CVSTRUCT: return "FC_CVSTRUCT"; case FC_BOGUS_STRUCT: return "FC_BOGUS_STRUCT"; case FC_SMFARRAY: return "FC_SMFARRAY"; case FC_LGFARRAY: return "FC_LGFARRAY"; case FC_SMVARRAY: return "FC_SMVARRAY"; case FC_LGVARRAY: return "FC_LGVARRAY"; case FC_CARRAY: return "FC_CARRAY"; case FC_CVARRAY: return "FC_CVARRAY"; case FC_BOGUS_ARRAY: return "FC_BOGUS_ARRAY"; case FC_ALIGNM2: return "FC_ALIGNM2"; case FC_ALIGNM4: return "FC_ALIGNM4"; case FC_ALIGNM8: return "FC_ALIGNM8"; case FC_POINTER: return "FC_POINTER"; case FC_C_CSTRING: return "FC_C_CSTRING"; case FC_C_WSTRING: return "FC_C_WSTRING"; case FC_CSTRING: return "FC_CSTRING"; case FC_WSTRING: return "FC_WSTRING"; case FC_BYTE_COUNT_POINTER: return "FC_BYTE_COUNT_POINTER"; case FC_TRANSMIT_AS: return "FC_TRANSMIT_AS"; case FC_REPRESENT_AS: return "FC_REPRESENT_AS"; case FC_IP: return "FC_IP"; case FC_BIND_CONTEXT: return "FC_BIND_CONTEXT"; case FC_BIND_GENERIC: return "FC_BIND_GENERIC"; case FC_BIND_PRIMITIVE: return "FC_BIND_PRIMITIVE"; case FC_AUTO_HANDLE: return "FC_AUTO_HANDLE"; case FC_CALLBACK_HANDLE: return "FC_CALLBACK_HANDLE"; case FC_STRUCTPAD1: return "FC_STRUCTPAD1"; case FC_STRUCTPAD2: return "FC_STRUCTPAD2"; case FC_STRUCTPAD3: return "FC_STRUCTPAD3"; case FC_STRUCTPAD4: return "FC_STRUCTPAD4"; case FC_STRUCTPAD5: return "FC_STRUCTPAD5"; case FC_STRUCTPAD6: return "FC_STRUCTPAD6"; case FC_STRUCTPAD7: return "FC_STRUCTPAD7"; case FC_STRING_SIZED: return "FC_STRING_SIZED"; case FC_NO_REPEAT: return "FC_NO_REPEAT"; case FC_FIXED_REPEAT: return "FC_FIXED_REPEAT"; case FC_VARIABLE_REPEAT: return "FC_VARIABLE_REPEAT"; case FC_FIXED_OFFSET: return "FC_FIXED_OFFSET"; case FC_VARIABLE_OFFSET: return "FC_VARIABLE_OFFSET"; case FC_PP: return "FC_PP"; case FC_EMBEDDED_COMPLEX: return "FC_EMBEDDED_COMPLEX"; case FC_DEREFERENCE: return "FC_DEREFERENCE"; case FC_DIV_2: return "FC_DIV_2"; case FC_MULT_2: return "FC_MULT_2"; case FC_ADD_1: return "FC_ADD_1"; case FC_SUB_1: return "FC_SUB_1"; case FC_CALLBACK: return "FC_CALLBACK"; case FC_CONSTANT_IID: return "FC_CONSTANT_IID"; case FC_END: return "FC_END"; case FC_PAD: return "FC_PAD"; case FC_USER_MARSHAL: return "FC_USER_MARSHAL"; case FC_RANGE: return "FC_RANGE"; case FC_INT3264: return "FC_INT3264"; case FC_UINT3264: return "FC_UINT3264"; default: error("string_of_type: unknown type 0x%02x\n", type); return NULL; }}
unsigned char get_basic_fc(const type_t *type){ int sign = type_basic_get_sign(type); switch (type_basic_get_type(type)) { case TYPE_BASIC_INT8: return (sign <= 0 ? FC_SMALL : FC_USMALL); case TYPE_BASIC_INT16: return (sign <= 0 ? FC_SHORT : FC_USHORT); case TYPE_BASIC_INT32: case TYPE_BASIC_LONG: return (sign <= 0 ? FC_LONG : FC_ULONG); case TYPE_BASIC_INT64: return FC_HYPER; case TYPE_BASIC_INT: return (sign <= 0 ? FC_LONG : FC_ULONG); case TYPE_BASIC_INT3264: return (sign <= 0 ? FC_INT3264 : FC_UINT3264); case TYPE_BASIC_BYTE: return FC_BYTE; case TYPE_BASIC_CHAR: return FC_CHAR; case TYPE_BASIC_WCHAR: return FC_WCHAR; case TYPE_BASIC_HYPER: return FC_HYPER; case TYPE_BASIC_FLOAT: return FC_FLOAT; case TYPE_BASIC_DOUBLE: return FC_DOUBLE; case TYPE_BASIC_ERROR_STATUS_T: return FC_ERROR_STATUS_T; case TYPE_BASIC_HANDLE: return FC_BIND_PRIMITIVE; } return 0;}
static unsigned char get_basic_fc_signed(const type_t *type){ switch (type_basic_get_type(type)) { case TYPE_BASIC_INT8: return FC_SMALL; case TYPE_BASIC_INT16: return FC_SHORT; case TYPE_BASIC_INT32: return FC_LONG; case TYPE_BASIC_INT64: return FC_HYPER; case TYPE_BASIC_INT: return FC_LONG; case TYPE_BASIC_INT3264: return FC_INT3264; case TYPE_BASIC_LONG: return FC_LONG; case TYPE_BASIC_BYTE: return FC_BYTE; case TYPE_BASIC_CHAR: return FC_CHAR; case TYPE_BASIC_WCHAR: return FC_WCHAR; case TYPE_BASIC_HYPER: return FC_HYPER; case TYPE_BASIC_FLOAT: return FC_FLOAT; case TYPE_BASIC_DOUBLE: return FC_DOUBLE; case TYPE_BASIC_ERROR_STATUS_T: return FC_ERROR_STATUS_T; case TYPE_BASIC_HANDLE: return FC_BIND_PRIMITIVE; } return 0;}
static inline unsigned int clamp_align(unsigned int align){ if(align > packing) align = packing; return align;}
static unsigned char get_pointer_fc(const type_t *type, const attr_list_t *attrs, int toplevel_attrs, int toplevel_param){ const type_t *t; int pointer_type;
assert(is_ptr(type) || is_array(type));
if (toplevel_attrs) { pointer_type = get_attrv(attrs, ATTR_POINTERTYPE); if (pointer_type) return pointer_type; }
for (t = type; type_is_alias(t); t = type_alias_get_aliasee_type(t)) { pointer_type = get_attrv(t->attrs, ATTR_POINTERTYPE); if (pointer_type) return pointer_type; }
if (toplevel_param) return FC_RP;
if ((pointer_type = get_attrv(current_iface->attrs, ATTR_POINTERDEFAULT))) return pointer_type;
return FC_UP;}
static unsigned char get_pointer_fc_context( const type_t *type, const attr_list_t *attrs, int toplevel_attrs, enum type_context context ){ int pointer_fc = get_pointer_fc(type, attrs, toplevel_attrs, context == TYPE_CONTEXT_TOPLEVELPARAM);
if (pointer_fc == FC_UP && is_attr( attrs, ATTR_OUT ) && (context == TYPE_CONTEXT_PARAM || context == TYPE_CONTEXT_RETVAL) && is_object( current_iface )) pointer_fc = FC_OP;
return pointer_fc;}
static unsigned char get_enum_fc(const type_t *type){ assert(type_get_type(type) == TYPE_ENUM); if (is_aliaschain_attr(type, ATTR_V1ENUM)) return FC_ENUM32; else return FC_ENUM16;}
static type_t *get_user_type(const type_t *t, const char **pname){ for (;;) { type_t *ut = get_attrp(t->attrs, ATTR_WIREMARSHAL); if (ut) { if (pname) *pname = t->name; return ut; }
if (type_is_alias(t)) t = type_alias_get_aliasee_type(t); else return NULL; }}
static int is_user_type(const type_t *t){ return get_user_type(t, NULL) != NULL;}
enum typegen_type typegen_detect_type(const type_t *type, const attr_list_t *attrs, unsigned int flags){ if (is_user_type(type)) return TGT_USER_TYPE;
if (is_aliaschain_attr(type, ATTR_CONTEXTHANDLE)) return TGT_CTXT_HANDLE;
if (!(flags & TDT_IGNORE_STRINGS) && is_string_type(attrs, type)) return TGT_STRING;
switch (type_get_type(type)) { case TYPE_BASIC: if (!(flags & TDT_IGNORE_RANGES) && (is_attr(attrs, ATTR_RANGE) || is_aliaschain_attr(type, ATTR_RANGE))) return TGT_RANGE; return TGT_BASIC; case TYPE_ENUM: if (!(flags & TDT_IGNORE_RANGES) && (is_attr(attrs, ATTR_RANGE) || is_aliaschain_attr(type, ATTR_RANGE))) return TGT_RANGE; return TGT_ENUM; case TYPE_POINTER: if (type_get_type(type_pointer_get_ref_type(type)) == TYPE_INTERFACE || type_get_type(type_pointer_get_ref_type(type)) == TYPE_RUNTIMECLASS || type_get_type(type_pointer_get_ref_type(type)) == TYPE_DELEGATE || (type_get_type(type_pointer_get_ref_type(type)) == TYPE_VOID && is_attr(attrs, ATTR_IIDIS))) return TGT_IFACE_POINTER; else if (is_aliaschain_attr(type_pointer_get_ref_type(type), ATTR_CONTEXTHANDLE)) return TGT_CTXT_HANDLE_POINTER; else return TGT_POINTER; case TYPE_STRUCT: return TGT_STRUCT; case TYPE_ENCAPSULATED_UNION: case TYPE_UNION: return TGT_UNION; case TYPE_ARRAY: return TGT_ARRAY; case TYPE_FUNCTION: case TYPE_COCLASS: case TYPE_INTERFACE: case TYPE_MODULE: case TYPE_VOID: case TYPE_ALIAS: case TYPE_BITFIELD: case TYPE_RUNTIMECLASS: case TYPE_DELEGATE: break; case TYPE_APICONTRACT: case TYPE_PARAMETERIZED_TYPE: case TYPE_PARAMETER: /* not supposed to be here */ assert(0); break; } return TGT_INVALID;}
static int cant_be_null(const var_t *v){ switch (typegen_detect_type(v->declspec.type, v->attrs, TDT_IGNORE_STRINGS)) { case TGT_ARRAY: if (!type_array_is_decl_as_ptr( v->declspec.type )) return 0; /* fall through */ case TGT_POINTER: return (get_pointer_fc(v->declspec.type, v->attrs, TRUE, TRUE) == FC_RP); case TGT_CTXT_HANDLE_POINTER: return TRUE; default: return 0; }
}
static int get_padding(const var_list_t *fields){ unsigned short offset = 0; unsigned int salign = 1; const var_t *f;
if (!fields) return 0;
LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry) { type_t *ft = f->declspec.type; unsigned int align = 0; unsigned int size = type_memsize_and_alignment(ft, &align); align = clamp_align(align); if (align > salign) salign = align; offset = ROUND_SIZE(offset, align); offset += size; }
return ROUNDING(offset, salign);}
static unsigned int get_stack_size( const var_t *var, unsigned int *stack_align, int *by_value ){ unsigned int stack_size, align = 0; int by_val = 0;
switch (typegen_detect_type( var->declspec.type, var->attrs, TDT_ALL_TYPES )) { case TGT_BASIC: if (target.cpu == CPU_ARM) { switch (type_basic_get_type( var->declspec.type )) { case TYPE_BASIC_FLOAT: case TYPE_BASIC_DOUBLE: case TYPE_BASIC_INT64: case TYPE_BASIC_HYPER: align = 8; break; default: break; } } /* fall through */ case TGT_ENUM: case TGT_RANGE: case TGT_STRUCT: case TGT_UNION: case TGT_USER_TYPE: stack_size = type_memsize_and_alignment( var->declspec.type, &align ); switch (target.cpu) { case CPU_x86_64: case CPU_ARM64EC: by_val = (stack_size == 1 || stack_size == 2 || stack_size == 4 || stack_size == 8); break; case CPU_ARM64: by_val = (stack_size <= 2 * pointer_size); break; case CPU_ARM: by_val = 1; break; case CPU_i386: align = pointer_size; by_val = 1; break; } break; default: break; } if (align < pointer_size) align = pointer_size; if (!by_val) stack_size = align = pointer_size;
if (by_value) *by_value = by_val; if (stack_align) *stack_align = align; return ROUND_SIZE( stack_size, align );}
static unsigned char get_contexthandle_flags( const type_t *iface, const attr_list_t *attrs, const type_t *type, int is_return ){ unsigned char flags = 0; int is_out;
if (is_attr(iface->attrs, ATTR_STRICTCONTEXTHANDLE)) flags |= NDR_STRICT_CONTEXT_HANDLE;
if (is_ptr(type) && !is_attr( type->attrs, ATTR_CONTEXTHANDLE ) && !is_attr( attrs, ATTR_CONTEXTHANDLE )) flags |= HANDLE_PARAM_IS_VIA_PTR;
if (is_return) return flags | HANDLE_PARAM_IS_OUT | HANDLE_PARAM_IS_RETURN;
is_out = is_attr(attrs, ATTR_OUT); if (is_attr(attrs, ATTR_IN) || !is_out) { flags |= HANDLE_PARAM_IS_IN; if (!is_out) flags |= NDR_CONTEXT_HANDLE_CANNOT_BE_NULL; } if (is_out) flags |= HANDLE_PARAM_IS_OUT;
return flags;}
static unsigned int get_rpc_flags( const attr_list_t *attrs ){ unsigned int flags = 0;
if (is_attr( attrs, ATTR_IDEMPOTENT )) flags |= 0x0001; if (is_attr( attrs, ATTR_BROADCAST )) flags |= 0x0002; if (is_attr( attrs, ATTR_MAYBE )) flags |= 0x0004; if (is_attr( attrs, ATTR_MESSAGE )) flags |= 0x0100; if (is_attr( attrs, ATTR_ASYNC )) flags |= 0x4000; return flags;}
unsigned char get_struct_fc(const type_t *type){ int has_pointer = 0; int has_conformance = 0; int has_variance = 0; var_t *field; var_list_t *fields;
fields = type_struct_get_fields(type);
if (get_padding(fields)) return FC_BOGUS_STRUCT;
if (fields) LIST_FOR_EACH_ENTRY( field, fields, var_t, entry ) { type_t *t = field->declspec.type; enum typegen_type typegen_type;
typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS);
if (typegen_type == TGT_ARRAY && !type_array_is_decl_as_ptr(t)) { if (is_string_type(field->attrs, field->declspec.type)) { if (is_conformant_array(t)) has_conformance = 1; has_variance = 1; continue; }
if (is_array(type_array_get_element_type(field->declspec.type))) return FC_BOGUS_STRUCT;
if (type_array_has_conformance(field->declspec.type)) { has_conformance = 1; if (list_next(fields, &field->entry)) error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n", field->name); } if (type_array_has_variance(t)) has_variance = 1;
t = type_array_get_element_type(t); typegen_type = typegen_detect_type(t, field->attrs, TDT_IGNORE_STRINGS); }
switch (typegen_type) { case TGT_USER_TYPE: case TGT_IFACE_POINTER: return FC_BOGUS_STRUCT; case TGT_BASIC: if (type_basic_get_type(t) == TYPE_BASIC_INT3264 && pointer_size != 4) return FC_BOGUS_STRUCT; break; case TGT_ENUM: if (get_enum_fc(t) == FC_ENUM16) return FC_BOGUS_STRUCT; break; case TGT_POINTER: case TGT_ARRAY: if (get_pointer_fc(t, field->attrs, TRUE, FALSE) == FC_RP || pointer_size != 4) return FC_BOGUS_STRUCT; has_pointer = 1; break; case TGT_UNION: return FC_BOGUS_STRUCT; case TGT_STRUCT: { unsigned char fc = get_struct_fc(t); switch (fc) { case FC_STRUCT: break; case FC_CVSTRUCT: has_conformance = 1; has_variance = 1; has_pointer = 1; break;
case FC_CPSTRUCT: has_conformance = 1; if (list_next( fields, &field->entry )) error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n", field->name); has_pointer = 1; break;
case FC_CSTRUCT: has_conformance = 1; if (list_next( fields, &field->entry )) error_loc("field '%s' deriving from a conformant array must be the last field in the structure\n", field->name); break;
case FC_PSTRUCT: has_pointer = 1; break;
default: error_loc("Unknown struct member %s with type (0x%02x)\n", field->name, fc); /* fallthru - treat it as complex */
/* as soon as we see one of these these members, it's bogus... */ case FC_BOGUS_STRUCT: return FC_BOGUS_STRUCT; } break; } case TGT_RANGE: return FC_BOGUS_STRUCT; case TGT_STRING: /* shouldn't get here because of TDT_IGNORE_STRINGS above. fall through */ case TGT_INVALID: case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: /* checking after parsing should mean that we don't get here. if we do, * it's a checker bug */ assert(0); } }
if( has_variance ) { if ( has_conformance ) return FC_CVSTRUCT; else return FC_BOGUS_STRUCT; } if( has_conformance && has_pointer ) return FC_CPSTRUCT; if( has_conformance ) return FC_CSTRUCT; if( has_pointer ) return FC_PSTRUCT; return FC_STRUCT;}
static unsigned char get_array_fc(const type_t *type, const attr_list_t *attrs){ unsigned char fc; const expr_t *size_is; const type_t *elem_type;
elem_type = type_array_get_element_type(type); size_is = type_array_get_conformance(type);
if (!size_is) { unsigned int size = type_memsize(elem_type); if (size * type_array_get_dim(type) > 0xffffuL) fc = FC_LGFARRAY; else fc = FC_SMFARRAY; } else fc = FC_CARRAY;
if (type_array_has_variance(type)) { if (fc == FC_SMFARRAY) fc = FC_SMVARRAY; else if (fc == FC_LGFARRAY) fc = FC_LGVARRAY; else if (fc == FC_CARRAY) fc = FC_CVARRAY; }
switch (typegen_detect_type(elem_type, attrs, TDT_IGNORE_STRINGS)) { case TGT_USER_TYPE: fc = FC_BOGUS_ARRAY; break; case TGT_BASIC: if (type_basic_get_type(elem_type) == TYPE_BASIC_INT3264 && pointer_size != 4) fc = FC_BOGUS_ARRAY; break; case TGT_STRUCT: switch (get_struct_fc(elem_type)) { case FC_BOGUS_STRUCT: fc = FC_BOGUS_ARRAY; break; } break; case TGT_ENUM: /* is 16-bit enum - if so, wire size differs from mem size and so * the array cannot be block copied, which means the array is complex */ if (get_enum_fc(elem_type) == FC_ENUM16) fc = FC_BOGUS_ARRAY; break; case TGT_UNION: case TGT_IFACE_POINTER: fc = FC_BOGUS_ARRAY; break; case TGT_POINTER: /* ref pointers cannot just be block copied. unique pointers to * interfaces need special treatment. either case means the array is * complex */ if (get_pointer_fc(elem_type, attrs, FALSE, FALSE) == FC_RP || pointer_size != 4) fc = FC_BOGUS_ARRAY; break; case TGT_RANGE: fc = FC_BOGUS_ARRAY; break; case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: case TGT_STRING: case TGT_INVALID: case TGT_ARRAY: /* nothing to do for everything else */ break; }
return fc;}
static int is_non_complex_struct(const type_t *type){ return (type_get_type(type) == TYPE_STRUCT && get_struct_fc(type) != FC_BOGUS_STRUCT);}
static int type_has_pointers(const type_t *type, const attr_list_t *attrs){ switch (typegen_detect_type(type, attrs, TDT_IGNORE_STRINGS)) { case TGT_USER_TYPE: return FALSE; case TGT_POINTER: return TRUE; case TGT_ARRAY: return type_array_is_decl_as_ptr(type) || type_has_pointers(type_array_get_element_type(type), attrs); case TGT_STRUCT: { var_list_t *fields = type_struct_get_fields(type); const var_t *field; if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry ) { if (type_has_pointers(field->declspec.type, attrs)) return TRUE; } break; } case TGT_UNION: { var_list_t *fields; const var_t *field; fields = type_union_get_cases(type); if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry ) { if (field->declspec.type && type_has_pointers(field->declspec.type, attrs)) return TRUE; } break; } case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: case TGT_STRING: case TGT_IFACE_POINTER: case TGT_BASIC: case TGT_ENUM: case TGT_RANGE: case TGT_INVALID: break; }
return FALSE;}
struct visited_struct_array{ const type_t **structs; size_t count; size_t capacity;};
static inline int array_reserve(void **elements, size_t *capacity, size_t count, size_t size){ size_t new_capacity, max_capacity; void *new_elements;
if (count <= *capacity) return TRUE;
max_capacity = ~(size_t)0 / size; if (count > max_capacity) return FALSE;
new_capacity = max(4, *capacity); while (new_capacity < count && new_capacity <= max_capacity / 2) new_capacity *= 2; if (new_capacity < count) new_capacity = max_capacity;
if (!(new_elements = realloc(*elements, new_capacity * size))) return FALSE;
*elements = new_elements; *capacity = new_capacity; return TRUE;}
static int type_has_full_pointer_recurse(const type_t *type, const attr_list_t *attrs, int toplevel_attrs, int toplevel_param, struct visited_struct_array *visited_structs){ switch (typegen_detect_type(type, attrs, TDT_IGNORE_STRINGS)) { case TGT_USER_TYPE: return FALSE; case TGT_POINTER: if (get_pointer_fc(type, attrs, toplevel_attrs, toplevel_param) == FC_FP) return TRUE; else return type_has_full_pointer_recurse(type_pointer_get_ref_type(type), attrs, FALSE, FALSE, visited_structs); case TGT_ARRAY: if (get_pointer_fc(type, attrs, toplevel_attrs, toplevel_param) == FC_FP) return TRUE; else return type_has_full_pointer_recurse(type_array_get_element_type(type), attrs, FALSE, FALSE, visited_structs); case TGT_STRUCT: { unsigned int i; int ret = FALSE; var_list_t *fields = type_struct_get_fields(type); const var_t *field;
for (i = 0; i < visited_structs->count; i++) { if (visited_structs->structs[i] == type) { /* Found struct we visited already, abort to prevent infinite loop. * Can't be at the first struct we visit, so we can skip cleanup and just return */ return FALSE; } }
array_reserve((void**)&visited_structs->structs, &visited_structs->capacity, visited_structs->count + 1, sizeof(struct type_t*)); visited_structs->structs[visited_structs->count] = type;
visited_structs->count++; if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry ) { if (type_has_full_pointer_recurse(field->declspec.type, field->attrs, TRUE, FALSE, visited_structs)) { ret = TRUE; break; } } visited_structs->count--; return ret; } case TGT_UNION: { var_list_t *fields; const var_t *field; fields = type_union_get_cases(type); if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry ) { if (field->declspec.type && type_has_full_pointer_recurse(field->declspec.type, field->attrs, TRUE, FALSE, visited_structs)) return TRUE; } break; } case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: case TGT_STRING: case TGT_IFACE_POINTER: case TGT_BASIC: case TGT_ENUM: case TGT_RANGE: case TGT_INVALID: break; }
return FALSE;}
static int type_has_full_pointer(const type_t *type, const attr_list_t *attrs, int toplevel_attrs, int toplevel_param){ int ret; struct visited_struct_array visited_structs = {0}; ret = type_has_full_pointer_recurse(type, attrs, toplevel_attrs, toplevel_param, &visited_structs); free(visited_structs.structs); return ret;}
static unsigned short user_type_offset(const char *name){ user_type_t *ut; unsigned short off = 0; LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry) { if (strcmp(name, ut->name) == 0) return off; ++off; } error("user_type_offset: couldn't find type (%s)\n", name); return 0;}
static void update_tfsoff(type_t *type, unsigned int offset, FILE *file){ type->typestring_offset = offset; if (file) type->tfswrite = FALSE;}
static void guard_rec(type_t *type){ /* types that contain references to themselves (like a linked list), need to be shielded from infinite recursion when writing embedded types */ if (type->typestring_offset) type->tfswrite = FALSE; else type->typestring_offset = 1;}
static int is_embedded_complex(const type_t *type, const attr_list_t *attrs){ switch (typegen_detect_type(type, attrs, TDT_IGNORE_STRINGS)) { case TGT_USER_TYPE: case TGT_STRUCT: case TGT_UNION: case TGT_ARRAY: case TGT_IFACE_POINTER: return TRUE; default: return FALSE; }}
static const char *get_context_handle_type_name(const type_t *type){ const type_t *t; for (t = type; is_ptr(t) || type_is_alias(t); t = type_is_alias(t) ? type_alias_get_aliasee_type(t) : type_pointer_get_ref_type(t)) if (is_attr(t->attrs, ATTR_CONTEXTHANDLE)) return t->name; assert(0); return NULL;}
#define WRITE_FCTYPE(file, fctype, typestring_offset) \ do { \ if (file) \ fprintf(file, "/* %2u */\n", typestring_offset); \ print_file((file), 2, "0x%02x,\t/* " #fctype " */\n", fctype); \ } \ while (0)
static void print_file(FILE *file, int indent, const char *format, ...) __attribute__((format (printf, 3, 4)));static void print_file(FILE *file, int indent, const char *format, ...){ va_list va; va_start(va, format); print(file, indent, format, va); va_end(va);}
void print(FILE *file, int indent, const char *format, va_list va){ if (file) { if (format[0] != '\n') while (0 < indent--) fprintf(file, " "); vfprintf(file, format, va); }}
static void write_var_init(FILE *file, int indent, const type_t *t, const char *n, const char *local_var_prefix){ if (decl_indirect(t)) { print_file(file, indent, "MIDL_memset(&%s%s, 0, sizeof(%s%s));\n", local_var_prefix, n, local_var_prefix, n); print_file(file, indent, "%s_p_%s = &%s%s;\n", local_var_prefix, n, local_var_prefix, n); } else if (is_ptr(t) || is_array(t)) print_file(file, indent, "%s%s = 0;\n", local_var_prefix, n);}
void write_parameters_init(FILE *file, int indent, const var_t *func, const char *local_var_prefix){ const var_t *var = type_function_get_retval(func->declspec.type);
if (!is_void(var->declspec.type)) write_var_init(file, indent, var->declspec.type, var->name, local_var_prefix);
if (!type_function_get_args(func->declspec.type)) return;
LIST_FOR_EACH_ENTRY( var, type_function_get_args(func->declspec.type), const var_t, entry ) write_var_init(file, indent, var->declspec.type, var->name, local_var_prefix);
fprintf(file, "\n");}
static void write_formatdesc(FILE *f, int indent, const char *str){ print_file(f, indent, "typedef struct _MIDL_%s_FORMAT_STRING\n", str); print_file(f, indent, "{\n"); print_file(f, indent + 1, "short Pad;\n"); print_file(f, indent + 1, "unsigned char Format[%s_FORMAT_STRING_SIZE];\n", str); print_file(f, indent, "} MIDL_%s_FORMAT_STRING;\n", str); print_file(f, indent, "\n");}
void write_formatstringsdecl(FILE *f, int indent, const statement_list_t *stmts, type_pred_t pred){ clear_all_offsets();
print_file(f, indent, "#define TYPE_FORMAT_STRING_SIZE %d\n", get_size_typeformatstring(stmts, pred));
print_file(f, indent, "#define PROC_FORMAT_STRING_SIZE %d\n", get_size_procformatstring(stmts, pred));
fprintf(f, "\n"); write_formatdesc(f, indent, "TYPE"); write_formatdesc(f, indent, "PROC"); fprintf(f, "\n"); print_file(f, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString;\n"); print_file(f, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString;\n"); print_file(f, indent, "\n");}
int decl_indirect(const type_t *t){ if (is_user_type(t)) return TRUE; return (type_get_type(t) != TYPE_BASIC && type_get_type(t) != TYPE_ENUM && type_get_type(t) != TYPE_POINTER && type_get_type(t) != TYPE_ARRAY);}
static unsigned char get_parameter_fc( const var_t *var, int is_return, unsigned short *flags, unsigned int *stack_size, unsigned int *stack_align, unsigned int *typestring_offset ){ unsigned int alignment, server_size = 0, buffer_size = 0; unsigned char fc = 0; int is_byval; int is_in = is_attr(var->attrs, ATTR_IN); int is_out = is_attr(var->attrs, ATTR_OUT);
if (is_return) is_out = TRUE; else if (!is_in && !is_out) is_in = TRUE;
*flags = 0; *stack_size = get_stack_size( var, stack_align, &is_byval ); *typestring_offset = var->typestring_offset;
if (is_in) *flags |= IsIn; if (is_out) *flags |= IsOut; if (is_return) *flags |= IsReturn;
if (!is_string_type( var->attrs, var->declspec.type )) buffer_size = get_required_buffer_size_type( var->declspec.type, NULL, var->attrs, TRUE, TRUE, &alignment );
switch (typegen_detect_type( var->declspec.type, var->attrs, TDT_ALL_TYPES )) { case TGT_BASIC: *flags |= IsBasetype; fc = get_basic_fc_signed( var->declspec.type ); if (fc == FC_BIND_PRIMITIVE) buffer_size = 4; /* actually 0 but avoids setting MustSize */ break; case TGT_ENUM: *flags |= IsBasetype; fc = get_enum_fc( var->declspec.type ); break; case TGT_RANGE: *flags |= IsByValue; break; case TGT_STRUCT: case TGT_UNION: case TGT_USER_TYPE: *flags |= MustFree | (is_byval ? IsByValue : IsSimpleRef); break; case TGT_IFACE_POINTER: *flags |= MustFree; break; case TGT_ARRAY: *flags |= MustFree; if (type_array_is_decl_as_ptr(var->declspec.type) && type_array_get_ptr_tfsoff(var->declspec.type) && get_pointer_fc(var->declspec.type, var->attrs, TRUE, !is_return) == FC_RP) { *typestring_offset = var->declspec.type->typestring_offset; *flags |= IsSimpleRef; } break; case TGT_STRING: *flags |= MustFree; if (is_declptr( var->declspec.type ) && get_pointer_fc( var->declspec.type, var->attrs, TRUE, !is_return ) == FC_RP) { /* skip over pointer description straight to string description */ if (is_conformant_array( var->declspec.type )) *typestring_offset += 4; else *typestring_offset += 2; *flags |= IsSimpleRef; } break; case TGT_CTXT_HANDLE_POINTER: *flags |= IsSimpleRef; *typestring_offset += 4; /* fall through */ case TGT_CTXT_HANDLE: buffer_size = 20; break; case TGT_POINTER: if (get_pointer_fc( var->declspec.type, var->attrs, TRUE, !is_return ) == FC_RP) { const type_t *ref = type_pointer_get_ref_type( var->declspec.type );
if (!is_string_type( var->attrs, ref )) buffer_size = get_required_buffer_size_type( ref, NULL, var->attrs, FALSE, TRUE, &alignment );
switch (typegen_detect_type( ref, var->attrs, TDT_ALL_TYPES )) { case TGT_BASIC: *flags |= IsSimpleRef | IsBasetype; fc = get_basic_fc( ref ); if (!is_in && is_out) server_size = pointer_size; break; case TGT_ENUM: if ((fc = get_enum_fc( ref )) == FC_ENUM32) { *flags |= IsSimpleRef | IsBasetype; if (!is_in && is_out) server_size = pointer_size; } else { server_size = pointer_size; } break; case TGT_UNION: case TGT_USER_TYPE: case TGT_RANGE: *flags |= MustFree | IsSimpleRef; *typestring_offset = ref->typestring_offset; if (!is_in && is_out) server_size = type_memsize( ref ); break; case TGT_ARRAY: *flags |= MustFree; if (!type_array_is_decl_as_ptr(ref)) { *flags |= IsSimpleRef; *typestring_offset = ref->typestring_offset; } if (!is_in && is_out) server_size = type_memsize( ref ); break; case TGT_STRING: case TGT_POINTER: case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: *flags |= MustFree; server_size = pointer_size; break; case TGT_IFACE_POINTER: *flags |= MustFree; if (is_in && is_out) server_size = pointer_size; break; case TGT_STRUCT: *flags |= IsSimpleRef | MustFree; *typestring_offset = ref->typestring_offset; switch (get_struct_fc(ref)) { case FC_STRUCT: case FC_PSTRUCT: case FC_BOGUS_STRUCT: if (!is_in && is_out) server_size = type_memsize( ref ); break; default: break; } break; case TGT_INVALID: assert(0); } } else /* not ref pointer */ { *flags |= MustFree; } break; case TGT_INVALID: assert(0); }
if (!buffer_size) *flags |= MustSize;
if (server_size) { server_size = (server_size + 7) / 8; if (server_size < 8) *flags |= server_size << 13; } return fc;}
static unsigned char get_func_oi2_flags( const var_t *func ){ const var_t *var; var_list_t *args = type_function_get_args( func->declspec.type ); var_t *retval = type_function_get_retval( func->declspec.type ); unsigned char oi2_flags = 0x40; /* HasExtensions */ unsigned short flags; unsigned int stack_size, stack_align, typestring_offset;
if (args) LIST_FOR_EACH_ENTRY( var, args, const var_t, entry ) { get_parameter_fc( var, 0, &flags, &stack_size, &stack_align, &typestring_offset ); if (flags & MustSize) { if (flags & IsIn) oi2_flags |= 0x02; /* ClientMustSize */ if (flags & IsOut) oi2_flags |= 0x01; /* ServerMustSize */ } }
if (!is_void( retval->declspec.type )) { oi2_flags |= 0x04; /* HasRet */ get_parameter_fc( retval, 1, &flags, &stack_size, &stack_align, &typestring_offset ); if (flags & MustSize) oi2_flags |= 0x01; /* ServerMustSize */ } return oi2_flags;}
static unsigned int write_new_procformatstring_type(FILE *file, int indent, const var_t *var, int is_return, unsigned int *stack_offset){ char buffer[128]; unsigned int stack_size, stack_align, typestring_offset; unsigned short flags; unsigned char fc = get_parameter_fc( var, is_return, &flags, &stack_size, &stack_align, &typestring_offset );
*stack_offset = ROUND_SIZE( *stack_offset, stack_align ); strcpy( buffer, "/* flags:" ); if (flags & MustSize) strcat( buffer, " must size," ); if (flags & MustFree) strcat( buffer, " must free," ); if (flags & IsPipe) strcat( buffer, " pipe," ); if (flags & IsIn) strcat( buffer, " in," ); if (flags & IsOut) strcat( buffer, " out," ); if (flags & IsReturn) strcat( buffer, " return," ); if (flags & IsBasetype) strcat( buffer, " base type," ); if (flags & IsByValue) strcat( buffer, " by value," ); if (flags & IsSimpleRef) strcat( buffer, " simple ref," ); if (flags >> 13) snprintf( buffer + strlen(buffer), sizeof(buffer) - strlen(buffer), " srv size=%u,", (flags >> 13) * 8 ); strcpy( buffer + strlen( buffer ) - 1, " */" ); print_file( file, indent, "NdrFcShort(0x%hx),\t%s\n", flags, buffer ); print_file( file, indent, "NdrFcShort(0x%x), /* stack offset = %u */\n", *stack_offset, *stack_offset ); if (flags & IsBasetype) { print_file( file, indent, "0x%02x, /* %s */\n", fc, string_of_type(fc) ); print_file( file, indent, "0x0,\n" ); } else print_file( file, indent, "NdrFcShort(0x%x), /* type offset = %u */\n", typestring_offset, typestring_offset ); *stack_offset += stack_size; return 6;}
static unsigned int write_old_procformatstring_type(FILE *file, int indent, const var_t *var, int is_return){ unsigned int size;
int is_in = is_attr(var->attrs, ATTR_IN); int is_out = is_attr(var->attrs, ATTR_OUT);
if (!is_in && !is_out) is_in = TRUE;
if (type_get_type(var->declspec.type) == TYPE_BASIC || type_get_type(var->declspec.type) == TYPE_ENUM) { unsigned char fc;
if (is_return) print_file(file, indent, "0x53, /* FC_RETURN_PARAM_BASETYPE */\n"); else print_file(file, indent, "0x4e, /* FC_IN_PARAM_BASETYPE */\n");
if (type_get_type(var->declspec.type) == TYPE_ENUM) { fc = get_enum_fc(var->declspec.type); } else { fc = get_basic_fc_signed(var->declspec.type);
if (fc == FC_BIND_PRIMITIVE) fc = FC_IGNORE; }
print_file(file, indent, "0x%02x, /* %s */\n", fc, string_of_type(fc)); size = 2; /* includes param type prefix */ } else { unsigned short offset = var->typestring_offset;
if (is_array(var->declspec.type) && type_array_is_decl_as_ptr(var->declspec.type) && type_array_get_ptr_tfsoff(var->declspec.type)) offset = var->declspec.type->typestring_offset;
if (is_return) print_file(file, indent, "0x52, /* FC_RETURN_PARAM */\n"); else if (is_in && is_out) print_file(file, indent, "0x50, /* FC_IN_OUT_PARAM */\n"); else if (is_out) print_file(file, indent, "0x51, /* FC_OUT_PARAM */\n"); else print_file(file, indent, "0x4d, /* FC_IN_PARAM */\n");
size = get_stack_size( var, NULL, NULL ); print_file(file, indent, "0x%02x,\n", size / pointer_size ); print_file(file, indent, "NdrFcShort(0x%x), /* type offset = %u */\n", offset, offset); size = 4; /* includes param type prefix */ } return size;}
int is_interpreted_func( const type_t *iface, const var_t *func ){ const char *str; const type_t *ret_type = type_function_get_rettype( func->declspec.type );
if (type_get_type( ret_type ) == TYPE_BASIC) { switch (type_basic_get_type( ret_type )) { case TYPE_BASIC_INT64: case TYPE_BASIC_HYPER: /* return value must fit in a long_ptr */ if (pointer_size < 8) return 0; break; case TYPE_BASIC_FLOAT: case TYPE_BASIC_DOUBLE: /* floating point values can't be returned */ return 0; default: break; } } if ((str = get_attrp( func->attrs, ATTR_OPTIMIZE ))) return !strcmp( str, "i" ); if ((str = get_attrp( iface->attrs, ATTR_OPTIMIZE ))) return !strcmp( str, "i" ); return interpreted_mode;}
/* replace consecutive params code by a repeat sequence: 0x9d code<1> repeat_count<2> */static unsigned int compress_params_array( unsigned char *params, unsigned int count ){ unsigned int i, j;
for (i = 0; i + 4 <= count; i++) { for (j = 1; i + j < count; j++) if (params[i + j] != params[i]) break; if (j < 4) continue; params[i] = 0x9d; params[i + 2] = j & 0xff; params[i + 3] = j >> 8; memmove( params + i + 4, params + i + j, count - (i + j) ); count -= j - 4; i += 3; } return count;}
/* fill the parameters array for the procedure extra data on ARM platforms */static unsigned int fill_params_array( const type_t *iface, const var_t *func, unsigned char *params, unsigned int count ){ unsigned int reg_count = 0, float_count = 0, double_count = 0, stack_pos = 0, offset = 0; var_list_t *args = type_function_get_args( func->declspec.type ); enum type_basic_type type; unsigned int size, pos, align; var_t *var;
memset( params, 0x9f /* padding */, count );
if (is_object( iface )) { params[0] = 0x80 + reg_count++; offset += pointer_size; }
if (args) LIST_FOR_EACH_ENTRY( var, args, var_t, entry ) { type = TYPE_BASIC_LONG; if (type_get_type( var->declspec.type ) == TYPE_BASIC) type = type_basic_get_type( var->declspec.type );
size = get_stack_size( var, &align, NULL ); offset = ROUND_SIZE( offset, align ); pos = offset / pointer_size;
if (target.cpu == CPU_ARM64) { switch (type) { case TYPE_BASIC_FLOAT: case TYPE_BASIC_DOUBLE: if (double_count >= 8) break; params[pos] = 0x88 + double_count++; offset += size; continue;
default: reg_count = ROUND_SIZE( reg_count, align / pointer_size ); if (reg_count > 8 - size / pointer_size) break; while (size) { params[pos++] = 0x80 + reg_count++; offset += pointer_size; size -= pointer_size; } continue; } } else /* CPU_ARM */ { switch (type) { case TYPE_BASIC_FLOAT: if (!(float_count % 2)) float_count = max( float_count, double_count * 2 ); if (float_count >= 16) { stack_pos = ROUND_SIZE( stack_pos, align ); params[pos] = 0x100 - (offset - stack_pos) / pointer_size; stack_pos += size; } else { params[pos] = 0x84 + float_count++; } offset += size; continue;
case TYPE_BASIC_DOUBLE: double_count = max( double_count, (float_count + 1) / 2 ); if (double_count >= 8) break; params[pos] = 0x84 + 2 * double_count; params[pos + 1] = 0x84 + 2 * double_count + 1; double_count++; offset += size; continue;
default: reg_count = ROUND_SIZE( reg_count, align / pointer_size ); if (reg_count <= 4 - size / pointer_size || !stack_pos) { while (size && reg_count < 4) { params[pos++] = 0x80 + reg_count++; offset += pointer_size; size -= pointer_size; } } break; } }
stack_pos = ROUND_SIZE( stack_pos, align ); memset( params + pos, 0x100 - (offset - stack_pos) / pointer_size, size / pointer_size ); stack_pos += size; offset += size; }
while (count && params[count - 1] == 0x9f) count--; return count;}
static void write_proc_func_interp( FILE *file, int indent, const type_t *iface, const var_t *func, unsigned int *offset, unsigned short num_proc ){ var_t *var; var_list_t *args = type_function_get_args( func->declspec.type ); unsigned char explicit_fc, implicit_fc; unsigned char handle_flags; var_t *retval = type_function_get_retval( func->declspec.type ); const var_t *handle_var = get_func_handle_var( iface, func, &explicit_fc, &implicit_fc ); unsigned char oi_flags = Oi_HAS_RPCFLAGS | Oi_USE_NEW_INIT_ROUTINES; unsigned char oi2_flags = get_func_oi2_flags( func ); unsigned char ext_flags = 0x01; /* HasNewCorrDesc */ unsigned int rpc_flags = get_rpc_flags( func->attrs ); unsigned int nb_args = 0; unsigned int stack_size = 0; unsigned int stack_offset = 0; unsigned int stack_align; unsigned int extra_size = 0; unsigned short param_num = 0; unsigned short handle_stack_offset = 0; unsigned short handle_param_num = 0; unsigned int size;
if (is_full_pointer_function( func )) oi_flags |= Oi_FULL_PTR_USED; if (is_object( iface )) { oi_flags |= Oi_OBJECT_PROC | Oi_OBJ_USE_V2_INTERPRETER; stack_offset = pointer_size; stack_size += pointer_size; }
if (args) LIST_FOR_EACH_ENTRY( var, args, var_t, entry ) { if (var == handle_var) { handle_stack_offset = stack_size; handle_param_num = param_num; } size = get_stack_size( var, &stack_align, NULL ); stack_size = ROUND_SIZE( stack_size, stack_align ); stack_size += size; param_num++; nb_args++; } if (!is_void( retval->declspec.type )) { stack_size += pointer_size; nb_args++; }
print_file( file, 0, "/* %u (procedure %s::%s) */\n", *offset, iface->name, func->name ); print_file( file, indent, "0x%02x,\t/* %s */\n", implicit_fc, implicit_fc ? string_of_type(implicit_fc) : "explicit handle" ); print_file( file, indent, "0x%02x,\n", oi_flags ); print_file( file, indent, "NdrFcLong(0x%x),\n", rpc_flags ); print_file( file, indent, "NdrFcShort(0x%hx),\t/* method %hu */\n", num_proc, num_proc ); print_file( file, indent, "NdrFcShort(0x%x),\t/* stack size = %u */\n", stack_size, stack_size ); *offset += 10;
if (!implicit_fc) { switch (explicit_fc) { case FC_BIND_PRIMITIVE: handle_flags = 0; print_file( file, indent, "0x%02x,\t/* %s */\n", explicit_fc, string_of_type(explicit_fc) ); print_file( file, indent, "0x%02x,\n", handle_flags ); print_file( file, indent, "NdrFcShort(0x%hx),\t/* stack offset = %hu */\n", handle_stack_offset, handle_stack_offset ); *offset += 4; nb_args--; break; case FC_BIND_GENERIC: handle_flags = type_memsize( handle_var->declspec.type ); print_file( file, indent, "0x%02x,\t/* %s */\n", explicit_fc, string_of_type(explicit_fc) ); print_file( file, indent, "0x%02x,\n", handle_flags ); print_file( file, indent, "NdrFcShort(0x%hx),\t/* stack offset = %hu */\n", handle_stack_offset, handle_stack_offset ); print_file( file, indent, "0x%02x,\n", get_generic_handle_offset( handle_var->declspec.type ) ); print_file( file, indent, "0x%x,\t/* FC_PAD */\n", FC_PAD); *offset += 6; break; case FC_BIND_CONTEXT: handle_flags = get_contexthandle_flags( iface, handle_var->attrs, handle_var->declspec.type, 0 ); print_file( file, indent, "0x%02x,\t/* %s */\n", explicit_fc, string_of_type(explicit_fc) ); print_file( file, indent, "0x%02x,\n", handle_flags ); print_file( file, indent, "NdrFcShort(0x%hx),\t/* stack offset = %hu */\n", handle_stack_offset, handle_stack_offset ); print_file( file, indent, "0x%02x,\n", get_context_handle_offset( handle_var->declspec.type ) ); print_file( file, indent, "0x%02x,\t/* param %hu */\n", handle_param_num, handle_param_num ); *offset += 6; break; } }
if (is_attr( func->attrs, ATTR_NOTIFY )) ext_flags |= 0x08; /* HasNotify */ if (is_attr( func->attrs, ATTR_NOTIFYFLAG )) ext_flags |= 0x10; /* HasNotify2 */ if (iface == type_iface_get_async_iface(iface)) oi2_flags |= 0x20;
size = get_function_buffer_size( func, PASS_IN ); print_file( file, indent, "NdrFcShort(0x%x),\t/* client buffer = %u */\n", size, size ); size = get_function_buffer_size( func, PASS_OUT ); print_file( file, indent, "NdrFcShort(0x%x),\t/* server buffer = %u */\n", size, size ); print_file( file, indent, "0x%02x,\n", oi2_flags ); print_file( file, indent, "0x%02x,\t/* %u params */\n", nb_args, nb_args ); *offset += 6; extra_size = 8;
switch (target.cpu) { case CPU_x86_64: case CPU_ARM64EC: { unsigned short pos = 0, fpu_mask = 0;
extra_size += 2; print_file( file, indent, "0x%02x,\n", extra_size ); print_file( file, indent, "0x%02x,\n", ext_flags ); print_file( file, indent, "NdrFcShort(0x0),\n" ); /* server corr hint */ print_file( file, indent, "NdrFcShort(0x0),\n" ); /* client corr hint */ print_file( file, indent, "NdrFcShort(0x0),\n" ); /* FIXME: notify index */ if (is_object( iface )) pos += 2; if (args) LIST_FOR_EACH_ENTRY( var, args, var_t, entry ) { if (type_get_type( var->declspec.type ) == TYPE_BASIC) { switch (type_basic_get_type( var->declspec.type )) { case TYPE_BASIC_FLOAT: fpu_mask |= 1 << pos; break; case TYPE_BASIC_DOUBLE: fpu_mask |= 2 << pos; break; default: break; } } pos += 2; if (pos >= 16) break; } print_file( file, indent, "NdrFcShort(0x%x),\n", fpu_mask ); /* floating point mask */ break; } case CPU_ARM: case CPU_ARM64: { unsigned int i, len, count = stack_size / pointer_size; unsigned char *params = xmalloc( count );
count = fill_params_array( iface, func, params, count ); len = compress_params_array( params, count );
extra_size += 3 + len + !(len % 2); print_file( file, indent, "0x%02x,\n", extra_size ); print_file( file, indent, "0x%02x,\n", ext_flags ); print_file( file, indent, "NdrFcShort(0x0),\n" ); /* server corr hint */ print_file( file, indent, "NdrFcShort(0x0),\n" ); /* client corr hint */ print_file( file, indent, "NdrFcShort(0x0),\n" ); /* FIXME: notify index */ print_file( file, indent, "NdrFcShort(0x%02x),\n", count ); print_file( file, indent, "0x%02x,\n", len ); for (i = 0; i < len; i++) print_file( file, indent, "0x%02x,\n", params[i] ); if (!(len % 2)) print_file( file, indent, "0x00,\n" ); free( params ); break; } case CPU_i386: print_file( file, indent, "0x%02x,\n", extra_size ); print_file( file, indent, "0x%02x,\n", ext_flags ); print_file( file, indent, "NdrFcShort(0x0),\n" ); /* server corr hint */ print_file( file, indent, "NdrFcShort(0x0),\n" ); /* client corr hint */ print_file( file, indent, "NdrFcShort(0x0),\n" ); /* FIXME: notify index */ break; } *offset += extra_size;
/* emit argument data */ if (args) LIST_FOR_EACH_ENTRY( var, args, var_t, entry ) { if (explicit_fc == FC_BIND_PRIMITIVE && var == handle_var) { stack_offset += pointer_size; continue; } print_file( file, 0, "/* %u (parameter %s) */\n", *offset, var->name ); *offset += write_new_procformatstring_type(file, indent, var, FALSE, &stack_offset); }
/* emit return value data */ if (!is_void( retval->declspec.type )) { print_file( file, 0, "/* %u (return value) */\n", *offset ); *offset += write_new_procformatstring_type(file, indent, retval, TRUE, &stack_offset); }}
static void write_procformatstring_func( FILE *file, int indent, const type_t *iface, const var_t *func, unsigned int *offset, unsigned short num_proc ){ var_t *retval;
if (is_interpreted_func( iface, func )) { write_proc_func_interp( file, indent, iface, func, offset, num_proc ); return; }
/* emit argument data */ if (type_function_get_args(func->declspec.type)) { const var_t *var; LIST_FOR_EACH_ENTRY( var, type_function_get_args(func->declspec.type), const var_t, entry ) { print_file( file, 0, "/* %u (parameter %s) */\n", *offset, var->name ); *offset += write_old_procformatstring_type(file, indent, var, FALSE); } }
/* emit return value data */ retval = type_function_get_retval( func->declspec.type ); if (is_void(retval->declspec.type)) { print_file(file, 0, "/* %u (void) */\n", *offset); print_file(file, indent, "0x5b,\t/* FC_END */\n"); print_file(file, indent, "0x5c,\t/* FC_PAD */\n"); *offset += 2; } else { print_file( file, 0, "/* %u (return value) */\n", *offset ); *offset += write_old_procformatstring_type(file, indent, retval, TRUE); }}
static void for_each_iface(const statement_list_t *stmts, void (*proc)(type_t *iface, FILE *file, int indent, unsigned int *offset), type_pred_t pred, FILE *file, int indent, unsigned int *offset){ const statement_t *stmt; type_t *iface;
if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, const statement_t, entry ) { if (stmt->type != STMT_TYPE || type_get_type(stmt->u.type) != TYPE_INTERFACE) continue; iface = stmt->u.type; if (!pred(iface)) continue; proc(iface, file, indent, offset); if (type_iface_get_async_iface(iface)) proc(type_iface_get_async_iface(iface), file, indent, offset); }}
static void write_iface_procformatstring(type_t *iface, FILE *file, int indent, unsigned int *offset){ const statement_t *stmt; const type_t *parent = type_iface_get_inherit( iface ); int count = parent ? count_methods( parent ) : 0;
STATEMENTS_FOR_EACH_FUNC(stmt, type_iface_get_stmts(iface)) { var_t *func = stmt->u.var; if (is_local(func->attrs)) { if (!get_callas_source(iface, func)) count++; continue; } write_procformatstring_func( file, indent, iface, func, offset, count++ ); }}
void write_procformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred){ int indent = 0; unsigned int offset = 0;
print_file(file, indent, "static const MIDL_PROC_FORMAT_STRING __MIDL_ProcFormatString =\n"); print_file(file, indent, "{\n"); indent++; print_file(file, indent, "0,\n"); print_file(file, indent, "{\n"); indent++;
for_each_iface(stmts, write_iface_procformatstring, pred, file, indent, &offset);
print_file(file, indent, "0x0\n"); indent--; print_file(file, indent, "}\n"); indent--; print_file(file, indent, "};\n"); print_file(file, indent, "\n");}
void write_procformatstring_offsets( FILE *file, const type_t *iface ){ const statement_t *stmt; int indent = 0;
print_file( file, indent, "static const unsigned short %s_FormatStringOffsetTable[] =\n", iface->name ); print_file( file, indent, "{\n" ); indent++; STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) { var_t *func = stmt->u.var; if (is_local( func->attrs )) continue; print_file( file, indent, "%u, /* %s */\n", func->procstring_offset, func->name ); } indent--; print_file( file, indent, "};\n\n" );}
static int write_base_type(FILE *file, const type_t *type, unsigned int *typestring_offset){ unsigned char fc;
if (type_get_type(type) == TYPE_BASIC) fc = get_basic_fc_signed(type); else if (type_get_type(type) == TYPE_ENUM) fc = get_enum_fc(type); else return 0;
print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc)); *typestring_offset += 1; return 1;}
static unsigned char get_correlation_type( const type_t *correlation_var ){ unsigned char fc;
switch (type_get_type(correlation_var)) { case TYPE_BASIC: fc = get_basic_fc(correlation_var); switch (fc) { case FC_SMALL: case FC_USMALL: case FC_SHORT: case FC_USHORT: case FC_LONG: case FC_ULONG: return fc; case FC_CHAR: return FC_SMALL; case FC_BYTE: return FC_USMALL; case FC_WCHAR: return FC_SHORT; } break; case TYPE_ENUM: return (get_enum_fc(correlation_var) == FC_ENUM32) ? FC_LONG : FC_SHORT; case TYPE_POINTER: return (pointer_size == 8) ? FC_HYPER : FC_LONG; default: break; } return 0;}
/* write conformance / variance descriptor */static unsigned int write_conf_or_var_desc(FILE *file, const type_t *cont_type, unsigned int baseoff, const type_t *type, const expr_t *expr, unsigned short robust_flags){ unsigned char operator_type = 0; unsigned char conftype = FC_NORMAL_CONFORMANCE; const char *conftype_string = "field"; const expr_t *subexpr; const type_t *iface = NULL; const char *name;
if (!expr) { print_file(file, 2, "NdrFcLong(0xffffffff),\t/* -1 */\n"); robust_flags = 0; goto done; } robust_flags |= RobustEarly;
if (expr->is_const) { if (expr->cval > UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX) error("write_conf_or_var_desc: constant value %d is greater than " "the maximum constant size of %d\n", expr->cval, UCHAR_MAX * (USHRT_MAX + 1) + USHRT_MAX);
print_file(file, 2, "0x%x, /* Corr desc: constant, val = %d */\n", FC_CONSTANT_CONFORMANCE, expr->cval); print_file(file, 2, "0x%x,\n", expr->cval >> 16); print_file(file, 2, "NdrFcShort(0x%hx),\n", (unsigned short)expr->cval); goto done; }
if (!cont_type) /* top-level conformance */ { conftype = FC_TOP_LEVEL_CONFORMANCE; conftype_string = "parameter"; cont_type = current_func->declspec.type; name = current_func->name; iface = current_iface; } else { name = cont_type->name; if (is_ptr(type) || (is_array(type) && type_array_is_decl_as_ptr(type))) { conftype = FC_POINTER_CONFORMANCE; conftype_string = "field pointer"; } }
subexpr = expr; switch (subexpr->type) { case EXPR_PPTR: subexpr = subexpr->ref; operator_type = FC_DEREFERENCE; break; case EXPR_DIV: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2)) { subexpr = subexpr->ref; operator_type = FC_DIV_2; } break; case EXPR_MUL: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 2)) { subexpr = subexpr->ref; operator_type = FC_MULT_2; } break; case EXPR_SUB: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1)) { subexpr = subexpr->ref; operator_type = FC_SUB_1; } break; case EXPR_ADD: if (subexpr->u.ext->is_const && (subexpr->u.ext->cval == 1)) { subexpr = subexpr->ref; operator_type = FC_ADD_1; } break; default: break; }
if (subexpr->type == EXPR_IDENTIFIER) { const type_t *correlation_variable = NULL; unsigned char param_type; unsigned int offset = 0; const var_t *var; struct expr_loc expr_loc;
if (type_get_type(cont_type) == TYPE_FUNCTION) { var_list_t *args = type_function_get_args( cont_type );
if (is_object( iface )) offset += pointer_size; if (args) LIST_FOR_EACH_ENTRY( var, args, const var_t, entry ) { unsigned int align, size = get_stack_size( var, &align, NULL ); offset = ROUND_SIZE( offset, align ); if (var->name && !strcmp(var->name, subexpr->u.sval)) { expr_loc.v = var; correlation_variable = var->declspec.type; break; } offset += size; if (var == current_arg) robust_flags &= ~RobustEarly; } } else { var_list_t *fields = type_struct_get_fields( cont_type );
if (fields) LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry ) { unsigned int size = field_memsize( var->declspec.type, &offset ); if (var->name && !strcmp(var->name, subexpr->u.sval)) { expr_loc.v = var; correlation_variable = var->declspec.type; break; } offset += size; if (offset > baseoff) robust_flags &= ~RobustEarly; } }
if (!correlation_variable) error("write_conf_or_var_desc: couldn't find variable %s in %s\n", subexpr->u.sval, name); expr_loc.attr = NULL; correlation_variable = expr_resolve_type(&expr_loc, cont_type, expr);
offset -= baseoff;
param_type = get_correlation_type( correlation_variable ); if (!param_type) { error("write_conf_or_var_desc: non-arithmetic type used as correlation variable %s\n", subexpr->u.sval); return 0; }
print_file(file, 2, "0x%x,\t/* Corr desc: %s %s, %s */\n", conftype | param_type, conftype_string, subexpr->u.sval, string_of_type(param_type)); print_file(file, 2, "0x%x,\t/* %s */\n", operator_type, operator_type ? string_of_type(operator_type) : "no operators"); print_file(file, 2, "NdrFcShort(0x%hx),\t/* offset = %d */\n", (unsigned short)offset, offset); } else if (!iface || is_interpreted_func( iface, current_func )) { unsigned int callback_offset = 0; struct expr_eval_routine *eval; int found = 0;
LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry) { if (eval->cont_type == cont_type || (type_get_type( eval->cont_type ) == type_get_type( cont_type ) && eval->iface == iface && eval->name && name && !strcmp(eval->name, name) && !compare_expr(eval->expr, expr))) { found = 1; break; } callback_offset++; }
if (!found) { eval = xmalloc (sizeof(*eval)); eval->iface = iface; eval->cont_type = cont_type; eval->name = xstrdup( name ); eval->baseoff = baseoff; eval->expr = expr; list_add_tail (&expr_eval_routines, &eval->entry); } robust_flags &= ~RobustEarly;
if (callback_offset > USHRT_MAX) error("Maximum number of callback routines reached\n");
print_file(file, 2, "0x%x,\t/* Corr desc: %s in %s */\n", conftype, conftype_string, name); print_file(file, 2, "0x%x,\t/* %s */\n", FC_CALLBACK, "FC_CALLBACK"); print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)callback_offset, callback_offset); } else /* output a dummy corr desc that isn't used */ { print_file(file, 2, "0x%x,\t/* Corr desc: unused for %s */\n", conftype, name); print_file(file, 2, "0x0,\n" ); print_file(file, 2, "NdrFcShort(0x0),\n" ); }done: if (!interpreted_mode) return 4; print_file(file, 2, "NdrFcShort(0x%hx),\n", robust_flags); return 6;}
/* return size and start offset of a data field based on current offset */static unsigned int field_memsize(const type_t *type, unsigned int *offset){ unsigned int align = 0; unsigned int size = type_memsize_and_alignment( type, &align );
*offset = ROUND_SIZE( *offset, align ); return size;}
static unsigned int fields_memsize(const var_list_t *fields, unsigned int *align){ unsigned int size = 0; unsigned int max_align; const var_t *v;
if (!fields) return 0; LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry ) { unsigned int falign = 0; unsigned int fsize = type_memsize_and_alignment(v->declspec.type, &falign); if (*align < falign) *align = falign; falign = clamp_align(falign); size = ROUND_SIZE(size, falign); size += fsize; }
max_align = clamp_align(*align); size = ROUND_SIZE(size, max_align);
return size;}
static unsigned int union_memsize(const var_list_t *fields, unsigned int *pmaxa){ unsigned int size, maxs = 0; unsigned int align = *pmaxa; const var_t *v;
if (fields) LIST_FOR_EACH_ENTRY( v, fields, const var_t, entry ) { /* we could have an empty default field with NULL type */ if (v->declspec.type) { size = type_memsize_and_alignment(v->declspec.type, &align); if (maxs < size) maxs = size; if (*pmaxa < align) *pmaxa = align; } }
return maxs;}
unsigned int type_memsize_and_alignment(const type_t *t, unsigned int *align){ unsigned int size = 0;
switch (type_get_type(t)) { case TYPE_BASIC: switch (get_basic_fc(t)) { case FC_BYTE: case FC_CHAR: case FC_USMALL: case FC_SMALL: size = 1; if (size > *align) *align = size; break; case FC_WCHAR: case FC_USHORT: case FC_SHORT: size = 2; if (size > *align) *align = size; break; case FC_ULONG: case FC_LONG: case FC_ERROR_STATUS_T: case FC_FLOAT: size = 4; if (size > *align) *align = size; break; case FC_HYPER: case FC_DOUBLE: size = 8; if (size > *align) *align = size; break; case FC_INT3264: case FC_UINT3264: case FC_BIND_PRIMITIVE: assert( pointer_size ); size = pointer_size; if (size > *align) *align = size; break; default: error("type_memsize: Unknown type 0x%x\n", get_basic_fc(t)); size = 0; } break; case TYPE_ENUM: switch (get_enum_fc(t)) { case FC_ENUM16: case FC_ENUM32: size = 4; if (size > *align) *align = size; break; default: error("type_memsize: Unknown enum type\n"); size = 0; } break; case TYPE_STRUCT: size = fields_memsize(type_struct_get_fields(t), align); break; case TYPE_ENCAPSULATED_UNION: size = fields_memsize(type_encapsulated_union_get_fields(t), align); break; case TYPE_UNION: size = union_memsize(type_union_get_cases(t), align); break; case TYPE_POINTER: case TYPE_INTERFACE: assert( pointer_size ); size = pointer_size; if (size > *align) *align = size; break; case TYPE_ARRAY: if (!type_array_is_decl_as_ptr(t)) { if (is_conformant_array(t)) { type_memsize_and_alignment(type_array_get_element_type(t), align); size = 0; } else size = type_array_get_dim(t) * type_memsize_and_alignment(type_array_get_element_type(t), align); } else /* declared as a pointer */ { assert( pointer_size ); size = pointer_size; if (size > *align) *align = size; } break; case TYPE_ALIAS: case TYPE_VOID: case TYPE_COCLASS: case TYPE_MODULE: case TYPE_FUNCTION: case TYPE_BITFIELD: case TYPE_APICONTRACT: case TYPE_RUNTIMECLASS: case TYPE_PARAMETERIZED_TYPE: case TYPE_PARAMETER: case TYPE_DELEGATE: /* these types should not be encountered here due to language * restrictions (interface, void, coclass, module), logical * restrictions (alias - due to type_get_type call above) or * checking restrictions (function, bitfield). */ assert(0); }
return size;}
unsigned int type_memsize(const type_t *t){ unsigned int align = 0; return type_memsize_and_alignment( t, &align );}
static unsigned int type_buffer_alignment(const type_t *t){ const var_list_t *fields; const var_t *var; unsigned int max = 0, align;
switch (type_get_type(t)) { case TYPE_BASIC: switch (get_basic_fc(t)) { case FC_BYTE: case FC_CHAR: case FC_USMALL: case FC_SMALL: return 1; case FC_WCHAR: case FC_USHORT: case FC_SHORT: return 2; case FC_ULONG: case FC_LONG: case FC_ERROR_STATUS_T: case FC_FLOAT: case FC_INT3264: case FC_UINT3264: return 4; case FC_HYPER: case FC_DOUBLE: return 8; default: error("type_buffer_alignment: Unknown type 0x%x\n", get_basic_fc(t)); } break; case TYPE_ENUM: switch (get_enum_fc(t)) { case FC_ENUM16: return 2; case FC_ENUM32: return 4; default: error("type_buffer_alignment: Unknown enum type\n"); } break; case TYPE_STRUCT: if (!(fields = type_struct_get_fields(t))) break; LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry ) { if (!var->declspec.type) continue; align = type_buffer_alignment( var->declspec.type ); if (max < align) max = align; } break; case TYPE_ENCAPSULATED_UNION: if (!(fields = type_encapsulated_union_get_fields(t))) break; LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry ) { if (!var->declspec.type) continue; align = type_buffer_alignment( var->declspec.type ); if (max < align) max = align; } break; case TYPE_UNION: if (!(fields = type_union_get_cases(t))) break; LIST_FOR_EACH_ENTRY( var, fields, const var_t, entry ) { if (!var->declspec.type) continue; align = type_buffer_alignment( var->declspec.type ); if (max < align) max = align; } break; case TYPE_ARRAY: if (!type_array_is_decl_as_ptr(t)) return type_buffer_alignment( type_array_get_element_type(t) ); /* else fall through */ case TYPE_POINTER: return 4; case TYPE_INTERFACE: case TYPE_ALIAS: case TYPE_VOID: case TYPE_COCLASS: case TYPE_MODULE: case TYPE_FUNCTION: case TYPE_BITFIELD: case TYPE_APICONTRACT: case TYPE_RUNTIMECLASS: case TYPE_PARAMETERIZED_TYPE: case TYPE_PARAMETER: case TYPE_DELEGATE: /* these types should not be encountered here due to language * restrictions (interface, void, coclass, module), logical * restrictions (alias - due to type_get_type call above) or * checking restrictions (function, bitfield). */ assert(0); } return max;}
int is_full_pointer_function(const var_t *func){ const var_t *var; if (type_has_full_pointer(type_function_get_rettype(func->declspec.type), func->attrs, TRUE, TRUE)) return TRUE; if (!type_function_get_args(func->declspec.type)) return FALSE; LIST_FOR_EACH_ENTRY( var, type_function_get_args(func->declspec.type), const var_t, entry ) if (type_has_full_pointer( var->declspec.type, var->attrs, TRUE, TRUE )) return TRUE; return FALSE;}
void write_full_pointer_init(FILE *file, int indent, const var_t *func, int is_server){ print_file(file, indent, "__frame->_StubMsg.FullPtrXlatTables = NdrFullPointerXlatInit(0,%s);\n", is_server ? "XLAT_SERVER" : "XLAT_CLIENT"); fprintf(file, "\n");}
void write_full_pointer_free(FILE *file, int indent, const var_t *func){ print_file(file, indent, "NdrFullPointerXlatFree(__frame->_StubMsg.FullPtrXlatTables);\n"); fprintf(file, "\n");}
static unsigned int write_nonsimple_pointer(FILE *file, const attr_list_t *attrs, int toplevel_attrs, const type_t *type, enum type_context context, unsigned int offset, unsigned int *typeformat_offset){ unsigned int start_offset = *typeformat_offset; short reloff = offset - (*typeformat_offset + 2); int in_attr, out_attr; int pointer_type; unsigned char flags = 0;
pointer_type = get_pointer_fc_context(type, attrs, toplevel_attrs, context);
in_attr = is_attr(attrs, ATTR_IN); out_attr = is_attr(attrs, ATTR_OUT); if (!in_attr && !out_attr) in_attr = 1;
if (!is_interpreted_func(current_iface, current_func)) { if (context == TYPE_CONTEXT_TOPLEVELPARAM && out_attr && !in_attr && pointer_type == FC_RP) flags |= FC_ALLOCED_ON_STACK; } else { if (context == TYPE_CONTEXT_TOPLEVELPARAM && is_ptr(type) && pointer_type == FC_RP) { switch (typegen_detect_type(type_pointer_get_ref_type(type), attrs, TDT_ALL_TYPES)) { case TGT_STRING: case TGT_POINTER: case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: case TGT_ARRAY: flags |= FC_ALLOCED_ON_STACK; break; case TGT_IFACE_POINTER: if (in_attr && out_attr) flags |= FC_ALLOCED_ON_STACK; break; default: break; } } }
if (is_ptr(type)) { type_t *ref = type_pointer_get_ref_type(type); if(is_declptr(ref) && !is_user_type(ref)) flags |= FC_POINTER_DEREF; if (pointer_type != FC_RP) { flags |= get_attrv(type->attrs, ATTR_ALLOCATE); } }
print_file(file, 2, "0x%x, 0x%x,\t\t/* %s", pointer_type, flags, string_of_type(pointer_type)); if (file) { if (flags & FC_ALLOCED_ON_STACK) fprintf(file, " [allocated_on_stack]"); if (flags & FC_POINTER_DEREF) fprintf(file, " [pointer_deref]"); if (flags & FC_DONT_FREE) fprintf(file, " [dont_free]"); if (flags & FC_ALLOCATE_ALL_NODES) fprintf(file, " [all_nodes]"); fprintf(file, " */\n"); }
print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, offset); *typeformat_offset += 4;
return start_offset;}
static unsigned int write_simple_pointer(FILE *file, const attr_list_t *attrs, int toplevel_attrs, const type_t *type, enum type_context context){ unsigned char fc; unsigned char pointer_fc; const type_t *ref; int in_attr = is_attr(attrs, ATTR_IN); int out_attr = is_attr(attrs, ATTR_OUT); unsigned char flags = FC_SIMPLE_POINTER;
/* for historical reasons, write_simple_pointer also handled string types, * but no longer does. catch bad uses of the function with this check */ if (is_string_type(attrs, type)) error("write_simple_pointer: can't handle type %s which is a string type\n", type->name);
pointer_fc = get_pointer_fc_context(type, attrs, toplevel_attrs, context);
ref = type_pointer_get_ref_type(type); if (type_get_type(ref) == TYPE_ENUM) fc = get_enum_fc(ref); else fc = get_basic_fc(ref);
if (!is_interpreted_func(current_iface, current_func)) { if (context == TYPE_CONTEXT_TOPLEVELPARAM && out_attr && !in_attr && pointer_fc == FC_RP) flags |= FC_ALLOCED_ON_STACK; } else { if (context == TYPE_CONTEXT_TOPLEVELPARAM && fc == FC_ENUM16 && pointer_fc == FC_RP) flags |= FC_ALLOCED_ON_STACK; }
print_file(file, 2, "0x%02x, 0x%x,\t/* %s %s[simple_pointer] */\n", pointer_fc, flags, string_of_type(pointer_fc), flags & FC_ALLOCED_ON_STACK ? "[allocated_on_stack] " : ""); print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc)); print_file(file, 2, "0x5c,\t/* FC_PAD */\n"); return 4;}
static void print_start_tfs_comment(FILE *file, type_t *t, unsigned int tfsoff){ const decl_spec_t ds = {.type = t}; print_file(file, 0, "/* %u (", tfsoff); write_type_decl(file, &ds, NULL); print_file(file, 0, ") */\n");}
static unsigned int write_pointer_tfs(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, unsigned int ref_offset, enum type_context context, unsigned int *typestring_offset){ unsigned int offset = *typestring_offset; type_t *ref = type_pointer_get_ref_type(type);
print_start_tfs_comment(file, type, offset); update_tfsoff(type, offset, file);
switch (typegen_detect_type(ref, attrs, TDT_ALL_TYPES)) { case TGT_BASIC: case TGT_ENUM: *typestring_offset += write_simple_pointer(file, attrs, toplevel_attrs, type, context); break; default: if (ref_offset) write_nonsimple_pointer(file, attrs, toplevel_attrs, type, context, ref_offset, typestring_offset); break; }
return offset;}
static int processed(const type_t *type){ return type->typestring_offset && !type->tfswrite;}
static int user_type_has_variable_size(const type_t *t){ if (is_ptr(t)) return TRUE; else if (type_get_type(t) == TYPE_STRUCT) { switch (get_struct_fc(t)) { case FC_PSTRUCT: case FC_CSTRUCT: case FC_CPSTRUCT: case FC_CVSTRUCT: return TRUE; } } /* Note: Since this only applies to user types, we can't have a conformant array here, and strings should get filed under pointer in this case. */ return FALSE;}
static unsigned int write_user_tfs(FILE *file, type_t *type, unsigned int *tfsoff){ unsigned int start, absoff, flags; const char *name = NULL; type_t *utype = get_user_type(type, &name); unsigned int usize = type_memsize(utype); unsigned int ualign = type_buffer_alignment(utype); unsigned int size = type_memsize(type); unsigned short funoff = user_type_offset(name); short reloff;
if (processed(type)) return type->typestring_offset;
guard_rec(type);
if(user_type_has_variable_size(utype)) usize = 0;
if (type_get_type(utype) == TYPE_BASIC || type_get_type(utype) == TYPE_ENUM) { unsigned char fc;
if (type_get_type(utype) == TYPE_ENUM) fc = get_enum_fc(utype); else fc = get_basic_fc(utype);
absoff = *tfsoff; print_start_tfs_comment(file, utype, absoff); print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc)); print_file(file, 2, "0x5c,\t/* FC_PAD */\n"); *tfsoff += 2; } else { if (!processed(utype)) write_type_tfs(file, NULL, FALSE, utype, utype->name, TYPE_CONTEXT_CONTAINER, tfsoff); absoff = utype->typestring_offset; }
if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE, FALSE) == FC_RP) flags = 0x40; else if (type_get_type(utype) == TYPE_POINTER && get_pointer_fc(utype, NULL, FALSE, FALSE) == FC_UP) flags = 0x80; else flags = 0;
start = *tfsoff; update_tfsoff(type, start, file); print_start_tfs_comment(file, type, start); print_file(file, 2, "0x%x,\t/* FC_USER_MARSHAL */\n", FC_USER_MARSHAL); print_file(file, 2, "0x%x,\t/* Alignment= %d, Flags= %02x */\n", flags | (ualign - 1), ualign - 1, flags); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Function offset= %hu */\n", funoff, funoff); print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)size, size); print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)usize, usize); *tfsoff += 8; reloff = absoff - *tfsoff; print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff); *tfsoff += 2; return start;}
static void write_member_type(FILE *file, const type_t *cont, int cont_is_complex, const attr_list_t *attrs, const type_t *type, unsigned int *corroff, unsigned int *tfsoff){ if (is_embedded_complex(type, attrs) && !is_conformant_array(type)) { unsigned int absoff; short reloff;
if (type_get_type(type) == TYPE_UNION && is_attr(attrs, ATTR_SWITCHIS)) { absoff = *corroff; *corroff += interpreted_mode ? 10 : 8; } else { absoff = type->typestring_offset; } reloff = absoff - (*tfsoff + 2);
print_file(file, 2, "0x4c,\t/* FC_EMBEDDED_COMPLEX */\n"); /* padding is represented using FC_STRUCTPAD* types, so presumably * this is left over in the format for historical purposes in MIDL * or rpcrt4. */ print_file(file, 2, "0x0,\n"); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff); *tfsoff += 4; } else if (is_ptr(type) || is_conformant_array(type)) { unsigned char fc = cont_is_complex ? FC_POINTER : FC_LONG; print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc)); *tfsoff += 1; } else if (!write_base_type(file, type, tfsoff)) error("Unsupported member type %d\n", type_get_type(type));}
static void write_array_element_type(FILE *file, const attr_list_t *attrs, const type_t *type, int cont_is_complex, unsigned int *tfsoff){ type_t *elem = type_array_get_element_type(type);
if (!is_embedded_complex(elem, attrs) && is_ptr(elem)) { type_t *ref = type_pointer_get_ref_type(elem);
if (processed(ref)) { write_nonsimple_pointer(file, attrs, FALSE, elem, TYPE_CONTEXT_CONTAINER, ref->typestring_offset, tfsoff); return; } if (cont_is_complex && is_string_type(attrs, elem)) { write_string_tfs(file, attrs, FALSE, elem, TYPE_CONTEXT_CONTAINER, NULL, tfsoff); return; } if (!is_string_type(attrs, elem) && (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM)) { *tfsoff += write_simple_pointer(file, attrs, FALSE, elem, TYPE_CONTEXT_CONTAINER); return; } } write_member_type(file, type, cont_is_complex, attrs, elem, NULL, tfsoff);}
static void write_end(FILE *file, unsigned int *tfsoff){ if (*tfsoff % 2 == 0) { print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD); *tfsoff += 1; } print_file(file, 2, "0x%x,\t/* FC_END */\n", FC_END); *tfsoff += 1;}
static void write_descriptors(FILE *file, type_t *type, unsigned int *tfsoff){ unsigned int offset = 0; var_list_t *fs = type_struct_get_fields(type); var_t *f;
if (fs) LIST_FOR_EACH_ENTRY(f, fs, var_t, entry) { type_t *ft = f->declspec.type; unsigned int size = field_memsize( ft, &offset ); if (type_get_type(ft) == TYPE_UNION && is_attr(f->attrs, ATTR_SWITCHIS)) { short reloff; unsigned int absoff = ft->typestring_offset; unsigned char fc; const expr_t *switch_is = get_attrp(f->attrs, ATTR_SWITCHIS); struct expr_loc expr_loc = { .v = f };
fc = get_correlation_type( expr_resolve_type( &expr_loc, current_structure, switch_is )); if (!fc) fc = FC_LONG;
if (is_attr(ft->attrs, ATTR_SWITCHTYPE)) absoff += interpreted_mode ? 10 : 8; /* we already have a corr descr, skip it */ print_file(file, 0, "/* %d */\n", *tfsoff); print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", FC_NON_ENCAPSULATED_UNION); print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc));
*tfsoff += 2 + write_conf_or_var_desc(file, current_structure, offset, ft, switch_is, 0); reloff = absoff - *tfsoff; print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", (unsigned short)reloff, reloff, absoff); *tfsoff += 2; } offset += size; }}
static int write_pointer_description_offsets( FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, unsigned int *offset_in_memory, unsigned int *offset_in_buffer, unsigned int *typestring_offset){ int written = 0;
if ((is_ptr(type) && type_get_type(type_pointer_get_ref_type(type)) != TYPE_INTERFACE) || (is_array(type) && type_array_is_decl_as_ptr(type))) { if (offset_in_memory && offset_in_buffer) { unsigned int memsize;
/* pointer instance * * note that MSDN states that for pointer layouts in structures, * this is a negative offset from the end of the structure, but * this statement is incorrect. all offsets are positive */ print_file(file, 2, "NdrFcShort(0x%hx),\t/* Memory offset = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Buffer offset = %d */\n", (unsigned short)*offset_in_buffer, *offset_in_buffer);
memsize = type_memsize(type); *offset_in_memory += memsize; /* increment these separately as in the case of conformant (varying) * structures these start at different values */ *offset_in_buffer += memsize; } *typestring_offset += 4;
if (is_ptr(type)) { type_t *ref = type_pointer_get_ref_type(type);
if (is_string_type(attrs, type)) write_string_tfs(file, attrs, toplevel_attrs, type, TYPE_CONTEXT_CONTAINER, NULL, typestring_offset); else if (processed(ref)) write_nonsimple_pointer(file, attrs, toplevel_attrs, type, TYPE_CONTEXT_CONTAINER, ref->typestring_offset, typestring_offset); else if (type_get_type(ref) == TYPE_BASIC || type_get_type(ref) == TYPE_ENUM) *typestring_offset += write_simple_pointer(file, attrs, toplevel_attrs, type, TYPE_CONTEXT_CONTAINER); else error("write_pointer_description_offsets: type format string unknown\n"); } else { unsigned int offset = type->typestring_offset; /* skip over the pointer that is written for strings, since a * pointer has to be written in-place here */ if (is_string_type(attrs, type)) offset += 4; write_nonsimple_pointer(file, attrs, toplevel_attrs, type, TYPE_CONTEXT_CONTAINER, offset, typestring_offset); }
return 1; }
if (is_array(type)) { return write_pointer_description_offsets( file, attrs, FALSE, type_array_get_element_type(type), offset_in_memory, offset_in_buffer, typestring_offset); } else if (is_non_complex_struct(type)) { /* otherwise search for interesting fields to parse */ const var_t *v; LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry ) { if (offset_in_memory && offset_in_buffer) { unsigned int padding; unsigned int align = 0; type_memsize_and_alignment(v->declspec.type, &align); padding = ROUNDING(*offset_in_memory, align); *offset_in_memory += padding; *offset_in_buffer += padding; } written += write_pointer_description_offsets( file, v->attrs, TRUE, v->declspec.type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { if (offset_in_memory && offset_in_buffer) { unsigned int memsize = type_memsize(type); *offset_in_memory += memsize; /* increment these separately as in the case of conformant (varying) * structures these start at different values */ *offset_in_buffer += memsize; } }
return written;}
static int write_no_repeat_pointer_descriptions( FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, unsigned int *offset_in_memory, unsigned int *offset_in_buffer, unsigned int *typestring_offset){ int written = 0;
if (is_ptr(type) || (is_conformant_array(type) && type_array_is_decl_as_ptr(type))) { print_file(file, 2, "0x%02x, /* FC_NO_REPEAT */\n", FC_NO_REPEAT); print_file(file, 2, "0x%02x, /* FC_PAD */\n", FC_PAD); *typestring_offset += 2;
return write_pointer_description_offsets(file, attrs, toplevel_attrs, type, offset_in_memory, offset_in_buffer, typestring_offset); }
if (is_non_complex_struct(type)) { const var_t *v; LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry ) { if (offset_in_memory && offset_in_buffer) { unsigned int padding; unsigned int align = 0; type_memsize_and_alignment(v->declspec.type, &align); padding = ROUNDING(*offset_in_memory, align); *offset_in_memory += padding; *offset_in_buffer += padding; } written += write_no_repeat_pointer_descriptions( file, v->attrs, TRUE, v->declspec.type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { unsigned int memsize = type_memsize(type); *offset_in_memory += memsize; /* increment these separately as in the case of conformant (varying) * structures these start at different values */ *offset_in_buffer += memsize; }
return written;}
/* Note: if file is NULL return value is number of pointers to write, else * it is the number of type format characters written */static int write_fixed_array_pointer_descriptions( FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, unsigned int *offset_in_memory, unsigned int *offset_in_buffer, unsigned int *typestring_offset){ int pointer_count = 0;
if (type_get_type(type) == TYPE_ARRAY && !type_array_has_conformance(type) && !type_array_has_variance(type)) { unsigned int temp = 0; /* unfortunately, this needs to be done in two passes to avoid * writing out redundant FC_FIXED_REPEAT descriptions */ pointer_count = write_pointer_description_offsets( NULL, attrs, FALSE, type_array_get_element_type(type), NULL, NULL, &temp); if (pointer_count > 0) { unsigned int increment_size; unsigned int offset_of_array_pointer_mem = 0; unsigned int offset_of_array_pointer_buf = 0;
increment_size = type_memsize(type_array_get_element_type(type));
print_file(file, 2, "0x%02x, /* FC_FIXED_REPEAT */\n", FC_FIXED_REPEAT); print_file(file, 2, "0x%02x, /* FC_PAD */\n", FC_PAD); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Iterations = %d */\n", (unsigned short)type_array_get_dim(type), type_array_get_dim(type)); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count); *typestring_offset += 10;
pointer_count = write_pointer_description_offsets( file, attrs, toplevel_attrs, type, &offset_of_array_pointer_mem, &offset_of_array_pointer_buf, typestring_offset); } } else if (type_get_type(type) == TYPE_STRUCT) { const var_t *v; LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry ) { if (offset_in_memory && offset_in_buffer) { unsigned int padding; unsigned int align = 0; type_memsize_and_alignment(v->declspec.type, &align); padding = ROUNDING(*offset_in_memory, align); *offset_in_memory += padding; *offset_in_buffer += padding; } pointer_count += write_fixed_array_pointer_descriptions( file, v->attrs, TRUE, v->declspec.type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { if (offset_in_memory && offset_in_buffer) { unsigned int memsize; memsize = type_memsize(type); *offset_in_memory += memsize; /* increment these separately as in the case of conformant (varying) * structures these start at different values */ *offset_in_buffer += memsize; } }
return pointer_count;}
/* Note: if file is NULL return value is number of pointers to write, else * it is the number of type format characters written */static int write_conformant_array_pointer_descriptions( FILE *file, const attr_list_t *attrs, type_t *type, unsigned int offset_in_memory, unsigned int *typestring_offset){ int pointer_count = 0;
if (is_conformant_array(type) && !type_array_has_variance(type)) { unsigned int temp = 0; /* unfortunately, this needs to be done in two passes to avoid * writing out redundant FC_VARIABLE_REPEAT descriptions */ pointer_count = write_pointer_description_offsets( NULL, attrs, FALSE, type_array_get_element_type(type), NULL, NULL, &temp); if (pointer_count > 0) { unsigned int increment_size; unsigned int offset_of_array_pointer_mem = offset_in_memory; unsigned int offset_of_array_pointer_buf = offset_in_memory;
increment_size = type_memsize(type_array_get_element_type(type));
if (increment_size > USHRT_MAX) error("array size of %u bytes is too large\n", increment_size);
print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", FC_VARIABLE_REPEAT); print_file(file, 2, "0x%02x, /* FC_FIXED_OFFSET */\n", FC_FIXED_OFFSET); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)offset_in_memory, offset_in_memory); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count); *typestring_offset += 8;
pointer_count = write_pointer_description_offsets( file, attrs, FALSE, type_array_get_element_type(type), &offset_of_array_pointer_mem, &offset_of_array_pointer_buf, typestring_offset); } }
return pointer_count;}
/* Note: if file is NULL return value is number of pointers to write, else * it is the number of type format characters written */static int write_varying_array_pointer_descriptions( FILE *file, const attr_list_t *attrs, type_t *type, unsigned int *offset_in_memory, unsigned int *offset_in_buffer, unsigned int *typestring_offset){ int pointer_count = 0;
if (is_array(type) && type_array_has_variance(type)) { unsigned int temp = 0; /* unfortunately, this needs to be done in two passes to avoid * writing out redundant FC_VARIABLE_REPEAT descriptions */ pointer_count = write_pointer_description_offsets( NULL, attrs, FALSE, type_array_get_element_type(type), NULL, NULL, &temp); if (pointer_count > 0) { unsigned int increment_size;
increment_size = type_memsize(type_array_get_element_type(type));
if (increment_size > USHRT_MAX) error("array size of %u bytes is too large\n", increment_size);
print_file(file, 2, "0x%02x, /* FC_VARIABLE_REPEAT */\n", FC_VARIABLE_REPEAT); print_file(file, 2, "0x%02x, /* FC_VARIABLE_OFFSET */\n", FC_VARIABLE_OFFSET); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Increment = %d */\n", (unsigned short)increment_size, increment_size); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset to array = %d */\n", (unsigned short)*offset_in_memory, *offset_in_memory); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Number of pointers = %d */\n", (unsigned short)pointer_count, pointer_count); *typestring_offset += 8;
pointer_count = write_pointer_description_offsets( file, attrs, FALSE, type_array_get_element_type(type), offset_in_memory, offset_in_buffer, typestring_offset); } } else if (type_get_type(type) == TYPE_STRUCT) { const var_t *v; LIST_FOR_EACH_ENTRY( v, type_struct_get_fields(type), const var_t, entry ) { if (offset_in_memory && offset_in_buffer) { unsigned int align = 0, padding;
if (is_array(v->declspec.type) && type_array_has_variance(v->declspec.type)) { *offset_in_buffer = ROUND_SIZE(*offset_in_buffer, 4); /* skip over variance and offset in buffer */ *offset_in_buffer += 8; }
type_memsize_and_alignment(v->declspec.type, &align); padding = ROUNDING(*offset_in_memory, align); *offset_in_memory += padding; *offset_in_buffer += padding; } pointer_count += write_varying_array_pointer_descriptions( file, v->attrs, v->declspec.type, offset_in_memory, offset_in_buffer, typestring_offset); } } else { if (offset_in_memory && offset_in_buffer) { unsigned int memsize = type_memsize(type); *offset_in_memory += memsize; /* increment these separately as in the case of conformant (varying) * structures these start at different values */ *offset_in_buffer += memsize; } }
return pointer_count;}
static void write_pointer_description(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, unsigned int *typestring_offset){ unsigned int offset_in_buffer; unsigned int offset_in_memory;
/* pass 1: search for single instance of a pointer (i.e. don't descend * into arrays) */ if (!is_array(type)) { offset_in_memory = 0; offset_in_buffer = 0; write_no_repeat_pointer_descriptions( file, attrs, toplevel_attrs, type, &offset_in_memory, &offset_in_buffer, typestring_offset); }
/* pass 2: search for pointers in fixed arrays */ offset_in_memory = 0; offset_in_buffer = 0; write_fixed_array_pointer_descriptions( file, attrs, toplevel_attrs, type, &offset_in_memory, &offset_in_buffer, typestring_offset);
/* pass 3: search for pointers in conformant only arrays (but don't descend * into conformant varying or varying arrays) */ if (is_conformant_array(type) && (type_array_is_decl_as_ptr(type) || !current_structure)) write_conformant_array_pointer_descriptions( file, attrs, type, 0, typestring_offset); else if (type_get_type(type) == TYPE_STRUCT && get_struct_fc(type) == FC_CPSTRUCT) { type_t *carray = find_array_or_string_in_struct(type)->declspec.type; write_conformant_array_pointer_descriptions( file, NULL, carray, type_memsize(type), typestring_offset); }
/* pass 4: search for pointers in varying arrays */ offset_in_memory = 0; offset_in_buffer = 0; write_varying_array_pointer_descriptions( file, NULL, type, &offset_in_memory, &offset_in_buffer, typestring_offset);}
static unsigned int write_string_tfs(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, enum type_context context, const char *name, unsigned int *typestring_offset){ unsigned int start_offset; unsigned char rtype; type_t *elem_type; int is_processed = processed(type);
start_offset = *typestring_offset;
if (is_declptr(type)) { unsigned char flag = is_conformant_array(type) ? 0 : FC_SIMPLE_POINTER; int pointer_type = get_pointer_fc_context(type, attrs, toplevel_attrs, context); if (!pointer_type) pointer_type = FC_RP; print_start_tfs_comment(file, type, *typestring_offset); print_file(file, 2,"0x%x, 0x%x,\t/* %s%s */\n", pointer_type, flag, string_of_type(pointer_type), flag ? " [simple_pointer]" : ""); *typestring_offset += 2; if (!flag) { print_file(file, 2, "NdrFcShort(0x2),\n"); *typestring_offset += 2; } is_processed = FALSE; }
if (is_array(type)) elem_type = type_array_get_element_type(type); else elem_type = type_pointer_get_ref_type(type);
if (type_get_type(elem_type) == TYPE_POINTER && is_array(type)) { write_array_tfs(file, attrs, toplevel_attrs, type, name, typestring_offset); return start_offset; }
if (type_get_type(elem_type) != TYPE_BASIC) { error("write_string_tfs: Unimplemented for non-basic type %s\n", name); return start_offset; }
rtype = get_basic_fc(elem_type); if ((rtype != FC_BYTE) && (rtype != FC_CHAR) && (rtype != FC_WCHAR)) { error("write_string_tfs: Unimplemented for type 0x%x of name: %s\n", rtype, name); return start_offset; }
if (type_get_type(type) == TYPE_ARRAY && !type_array_has_conformance(type)) { unsigned int dim = type_array_get_dim(type);
if (is_processed) return start_offset;
/* FIXME: multi-dimensional array */ if (0xffffu < dim) error("array size for parameter %s exceeds %u bytes by %u bytes\n", name, 0xffffu, dim - 0xffffu);
if (rtype == FC_WCHAR) WRITE_FCTYPE(file, FC_WSTRING, *typestring_offset); else WRITE_FCTYPE(file, FC_CSTRING, *typestring_offset); print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD); *typestring_offset += 2;
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)dim, dim); *typestring_offset += 2;
update_tfsoff(type, start_offset, file); return start_offset; } else if (is_conformant_array(type)) { if (rtype == FC_WCHAR) WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset); else WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset); print_file(file, 2, "0x%x,\t/* FC_STRING_SIZED */\n", FC_STRING_SIZED); *typestring_offset += 2;
*typestring_offset += write_conf_or_var_desc( file, current_structure, (!type_array_is_decl_as_ptr(type) && current_structure ? type_memsize(current_structure) : 0), type, type_array_get_conformance(type), 0);
update_tfsoff(type, start_offset, file); return start_offset; } else { if (is_processed) return start_offset;
if (rtype == FC_WCHAR) WRITE_FCTYPE(file, FC_C_WSTRING, *typestring_offset); else WRITE_FCTYPE(file, FC_C_CSTRING, *typestring_offset); print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD); *typestring_offset += 2;
update_tfsoff(type, start_offset, file); return start_offset; }}
static unsigned int write_array_tfs(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, const char *name, unsigned int *typestring_offset){ const expr_t *length_is = type_array_get_variance(type); const expr_t *size_is = type_array_get_conformance(type); unsigned int align; unsigned int size; unsigned int start_offset; unsigned char fc; unsigned int baseoff = !type_array_is_decl_as_ptr(type) && current_structure ? type_memsize(current_structure) : 0;
if (!is_string_type(attrs, type_array_get_element_type(type))) write_type_tfs(file, attrs, FALSE, type_array_get_element_type(type), name, TYPE_CONTEXT_CONTAINER_NO_POINTERS, typestring_offset);
size = type_memsize(is_conformant_array(type) ? type_array_get_element_type(type) : type); align = type_buffer_alignment(is_conformant_array(type) ? type_array_get_element_type(type) : type); fc = get_array_fc(type, attrs);
start_offset = *typestring_offset; update_tfsoff(type, start_offset, file); print_start_tfs_comment(file, type, start_offset); print_file(file, 2, "0x%02x,\t/* %s */\n", fc, string_of_type(fc)); print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1); *typestring_offset += 2;
align = 0; if (fc != FC_BOGUS_ARRAY) { if (fc == FC_LGFARRAY || fc == FC_LGVARRAY) { print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", size, size); *typestring_offset += 4; } else { print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)size, size); *typestring_offset += 2; }
if (is_conformant_array(type)) *typestring_offset += write_conf_or_var_desc(file, current_structure, baseoff, type, size_is, 0);
if (fc == FC_SMVARRAY || fc == FC_LGVARRAY) { unsigned int elsize = type_memsize(type_array_get_element_type(type)); unsigned int dim = type_array_get_dim(type);
if (fc == FC_LGVARRAY) { print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", dim, dim); *typestring_offset += 4; } else { print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)dim, dim); *typestring_offset += 2; }
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)elsize, elsize); *typestring_offset += 2; }
if (length_is) *typestring_offset += write_conf_or_var_desc(file, current_structure, baseoff, type, length_is, 0);
if (type_has_pointers(type_array_get_element_type(type), attrs) && (type_array_is_decl_as_ptr(type) || !current_structure)) { print_file(file, 2, "0x%x,\t/* FC_PP */\n", FC_PP); print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD); *typestring_offset += 2; write_pointer_description(file, attrs, toplevel_attrs, type, typestring_offset); print_file(file, 2, "0x%x,\t/* FC_END */\n", FC_END); *typestring_offset += 1; }
write_array_element_type(file, attrs, type, FALSE, typestring_offset); write_end(file, typestring_offset); } else { unsigned int dim = size_is ? 0 : type_array_get_dim(type); print_file(file, 2, "NdrFcShort(0x%hx),\t/* %u */\n", (unsigned short)dim, dim); *typestring_offset += 2; *typestring_offset += write_conf_or_var_desc(file, current_structure, baseoff, type, size_is, 0); *typestring_offset += write_conf_or_var_desc(file, current_structure, baseoff, type, length_is, 0);
write_array_element_type(file, attrs, type, TRUE, typestring_offset); write_end(file, typestring_offset); }
return start_offset;}
static const var_t *find_array_or_string_in_struct(const type_t *type){ const var_list_t *fields = type_struct_get_fields(type); const var_t *last_field; const type_t *ft;
if (!fields || list_empty(fields)) return NULL;
last_field = LIST_ENTRY( list_tail(fields), const var_t, entry ); ft = last_field->declspec.type;
if (is_conformant_array(ft) && !type_array_is_decl_as_ptr(ft)) return last_field;
if (type_get_type(ft) == TYPE_STRUCT) return find_array_or_string_in_struct(ft); else return NULL;}
static void write_struct_members(FILE *file, const type_t *type, int is_complex, unsigned int *corroff, unsigned int *typestring_offset){ const var_t *field; unsigned short offset = 0; unsigned int salign = 1; int padding; var_list_t *fields = type_struct_get_fields(type);
if (fields) LIST_FOR_EACH_ENTRY( field, fields, const var_t, entry ) { type_t *ft = field->declspec.type; unsigned int align = 0; unsigned int size = type_memsize_and_alignment(ft, &align); align = clamp_align(align); if (salign < align) salign = align;
if (!is_conformant_array(ft) || type_array_is_decl_as_ptr(ft)) { unsigned short aligned = ROUND_SIZE(offset, align); if (aligned > offset) { unsigned char fc = FC_STRUCTPAD1 + (aligned - offset) - 1; print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc)); offset = aligned; *typestring_offset += 1; } write_member_type(file, type, is_complex, field->attrs, field->declspec.type, corroff, typestring_offset); offset += size; } }
padding = ROUNDING(offset, salign); if (padding) { print_file(file, 2, "0x%x,\t/* FC_STRUCTPAD%d */\n", FC_STRUCTPAD1 + padding - 1, padding); *typestring_offset += 1; }
write_end(file, typestring_offset);}
static unsigned int write_struct_tfs(FILE *file, type_t *type, const attr_list_t *attrs, const char *name, unsigned int *tfsoff){ const type_t *save_current_structure = current_structure; unsigned int total_size; const var_t *array; unsigned int start_offset; unsigned int align; unsigned int corroff; var_t *f; unsigned char fc = get_struct_fc(type); var_list_t *fields = type_struct_get_fields(type);
if (processed(type)) return type->typestring_offset;
guard_rec(type); current_structure = type;
total_size = type_memsize(type); align = type_buffer_alignment(type); if (total_size > USHRT_MAX) error("structure size for %s exceeds %d bytes by %d bytes\n", name, USHRT_MAX, total_size - USHRT_MAX);
if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry) write_type_tfs(file, f->attrs, TRUE, f->declspec.type, f->name, TYPE_CONTEXT_CONTAINER_NO_POINTERS, tfsoff);
array = find_array_or_string_in_struct(type); if (array && !processed(array->declspec.type)) { if(is_string_type(array->attrs, array->declspec.type)) write_string_tfs(file, array->attrs, TRUE, array->declspec.type, TYPE_CONTEXT_CONTAINER, array->name, tfsoff); else write_array_tfs(file, array->attrs, TRUE, array->declspec.type, array->name, tfsoff); }
corroff = *tfsoff; write_descriptors(file, type, tfsoff);
start_offset = *tfsoff; update_tfsoff(type, start_offset, file); print_start_tfs_comment(file, type, start_offset); print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc)); print_file(file, 2, "0x%x,\t/* %d */\n", align - 1, align - 1); print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)total_size, total_size); *tfsoff += 4;
if (array) { unsigned int absoff = array->declspec.type->typestring_offset; short reloff = absoff - *tfsoff; print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff); *tfsoff += 2; } else if (fc == FC_BOGUS_STRUCT) { print_file(file, 2, "NdrFcShort(0x0),\n"); *tfsoff += 2; }
if (fc == FC_BOGUS_STRUCT) { /* On the sizing pass, type->ptrdesc may be zero, but it's ok as nothing is written to file yet. On the actual writing pass, this will have been updated. */ unsigned int absoff = type->ptrdesc ? type->ptrdesc : *tfsoff; int reloff = absoff - *tfsoff; assert( reloff >= 0 ); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%u) */\n", (unsigned short)reloff, reloff, absoff); *tfsoff += 2; } else if ((fc == FC_PSTRUCT) || (fc == FC_CPSTRUCT) || (fc == FC_CVSTRUCT && type_has_pointers(type, attrs))) { print_file(file, 2, "0x%x,\t/* FC_PP */\n", FC_PP); print_file(file, 2, "0x%x,\t/* FC_PAD */\n", FC_PAD); *tfsoff += 2; write_pointer_description(file, NULL, FALSE, type, tfsoff); print_file(file, 2, "0x%x,\t/* FC_END */\n", FC_END); *tfsoff += 1; }
write_struct_members(file, type, fc == FC_BOGUS_STRUCT, &corroff, tfsoff);
if (fc == FC_BOGUS_STRUCT) { const var_t *f;
type->ptrdesc = *tfsoff; if (fields) LIST_FOR_EACH_ENTRY(f, fields, const var_t, entry) { type_t *ft = f->declspec.type; switch (typegen_detect_type(ft, f->attrs, TDT_IGNORE_STRINGS)) { case TGT_POINTER: if (is_string_type(f->attrs, ft)) write_string_tfs(file, f->attrs, TRUE, ft, TYPE_CONTEXT_CONTAINER, f->name, tfsoff); else write_pointer_tfs(file, f->attrs, TRUE, ft, type_pointer_get_ref_type(ft)->typestring_offset, TYPE_CONTEXT_CONTAINER, tfsoff); break; case TGT_ARRAY: if (type_array_is_decl_as_ptr(ft)) { unsigned int offset;
print_file(file, 0, "/* %d */\n", *tfsoff);
offset = ft->typestring_offset; /* skip over the pointer that is written for strings, since a * pointer has to be written in-place here */ if (is_string_type(f->attrs, ft)) offset += 4; write_nonsimple_pointer(file, f->attrs, TRUE, ft, TYPE_CONTEXT_CONTAINER, offset, tfsoff); } break; default: break; } } if (type->ptrdesc == *tfsoff) type->ptrdesc = 0; }
current_structure = save_current_structure; return start_offset;}
static void write_branch_type(FILE *file, const type_t *t, unsigned int *tfsoff){ if (t == NULL) { print_file(file, 2, "NdrFcShort(0x0),\t/* No type */\n"); } else { if (type_get_type(t) == TYPE_BASIC || type_get_type(t) == TYPE_ENUM) { unsigned char fc; if (type_get_type(t) == TYPE_BASIC) fc = get_basic_fc(t); else fc = get_enum_fc(t); print_file(file, 2, "NdrFcShort(0x80%02x),\t/* Simple arm type: %s */\n", fc, string_of_type(fc)); } else if (t->typestring_offset) { short reloff = t->typestring_offset - *tfsoff; print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %d (%d) */\n", reloff, reloff, t->typestring_offset); } else error("write_branch_type: type unimplemented %d\n", type_get_type(t)); }
*tfsoff += 2;}
static unsigned int write_union_tfs(FILE *file, const attr_list_t *attrs, type_t *type, unsigned int *tfsoff){ unsigned int start_offset; unsigned int size; var_list_t *fields; unsigned int nbranch = 0; type_t *deftype = NULL; short nodeftype = 0xffff; unsigned int dummy; var_t *f;
if (processed(type) && (type_get_type(type) == TYPE_ENCAPSULATED_UNION || !is_attr(type->attrs, ATTR_SWITCHTYPE))) return type->typestring_offset;
guard_rec(type);
fields = type_union_get_cases(type);
size = union_memsize(fields, &dummy);
if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry) { expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE); if (cases) nbranch += list_count(cases); if (f->declspec.type) write_type_tfs(file, f->attrs, TRUE, f->declspec.type, f->name, TYPE_CONTEXT_CONTAINER, tfsoff); }
start_offset = *tfsoff; update_tfsoff(type, start_offset, file); print_start_tfs_comment(file, type, start_offset); if (type_get_type(type) == TYPE_ENCAPSULATED_UNION) { const var_t *sv = type_union_get_switch_value(type); const type_t *st = sv->declspec.type; unsigned int align = 0; unsigned char fc;
if (type_get_type(st) == TYPE_BASIC) { fc = get_basic_fc(st); switch (fc) { case FC_CHAR: case FC_SMALL: case FC_BYTE: case FC_USMALL: case FC_WCHAR: case FC_SHORT: case FC_USHORT: case FC_LONG: case FC_ULONG: break; default: fc = 0; error("union switch type must be an integer, char, or enum\n"); } } else if (type_get_type(st) == TYPE_ENUM) fc = get_enum_fc(st); else error("union switch type must be an integer, char, or enum\n");
type_memsize_and_alignment(st, &align); if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry) { if (f->declspec.type) type_memsize_and_alignment(f->declspec.type, &align); }
print_file(file, 2, "0x%x,\t/* FC_ENCAPSULATED_UNION */\n", FC_ENCAPSULATED_UNION); print_file(file, 2, "0x%x,\t/* Switch type= %s */\n", (align << 4) | fc, string_of_type(fc)); *tfsoff += 2; } else if (is_attr(type->attrs, ATTR_SWITCHTYPE)) { const expr_t *switch_is = get_attrp(attrs, ATTR_SWITCHIS); const type_t *st = get_attrp(type->attrs, ATTR_SWITCHTYPE); unsigned char fc;
if (type_get_type(st) == TYPE_BASIC) { fc = get_basic_fc(st); switch (fc) { case FC_CHAR: case FC_SMALL: case FC_USMALL: case FC_SHORT: case FC_USHORT: case FC_LONG: case FC_ULONG: case FC_ENUM16: case FC_ENUM32: break; default: fc = 0; error("union switch type must be an integer, char, or enum\n"); } } else if (type_get_type(st) == TYPE_ENUM) fc = get_enum_fc(st); else error("union switch type must be an integer, char, or enum\n");
print_file(file, 2, "0x%x,\t/* FC_NON_ENCAPSULATED_UNION */\n", FC_NON_ENCAPSULATED_UNION); print_file(file, 2, "0x%x,\t/* Switch type= %s */\n", fc, string_of_type(fc)); *tfsoff += 2; *tfsoff += write_conf_or_var_desc(file, current_structure, 0, st, switch_is, 0); print_file(file, 2, "NdrFcShort(0x2),\t/* Offset= 2 (%u) */\n", *tfsoff + 2); *tfsoff += 2; print_file(file, 0, "/* %u */\n", *tfsoff); }
print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)size, size); print_file(file, 2, "NdrFcShort(0x%hx),\t/* %d */\n", (unsigned short)nbranch, nbranch); *tfsoff += 4;
if (fields) LIST_FOR_EACH_ENTRY(f, fields, var_t, entry) { type_t *ft = f->declspec.type; expr_list_t *cases = get_attrp(f->attrs, ATTR_CASE); int deflt = is_attr(f->attrs, ATTR_DEFAULT); expr_t *c;
if (cases == NULL && !deflt) error("union field %s with neither case nor default attribute\n", f->name);
if (cases) LIST_FOR_EACH_ENTRY(c, cases, expr_t, entry) { /* MIDL doesn't check for duplicate cases, even though that seems like a reasonable thing to do, it just dumps them to the TFS like we're going to do here. */ print_file(file, 2, "NdrFcLong(0x%x),\t/* %d */\n", c->cval, c->cval); *tfsoff += 4; write_branch_type(file, ft, tfsoff); }
/* MIDL allows multiple default branches, even though that seems illogical, it just chooses the last one, which is what we will do. */ if (deflt) { deftype = ft; nodeftype = 0; } }
if (deftype) { write_branch_type(file, deftype, tfsoff); } else { print_file(file, 2, "NdrFcShort(0x%hx),\n", nodeftype); *tfsoff += 2; }
return start_offset;}
static unsigned int write_ip_tfs(FILE *file, const attr_list_t *attrs, type_t *type, unsigned int *typeformat_offset){ unsigned int i; unsigned int start_offset = *typeformat_offset; expr_t *iid = get_attrp(attrs, ATTR_IIDIS);
if (!iid && processed(type)) return type->typestring_offset;
print_start_tfs_comment(file, type, start_offset); update_tfsoff(type, start_offset, file);
if (iid) { print_file(file, 2, "0x2f, /* FC_IP */\n"); print_file(file, 2, "0x5c, /* FC_PAD */\n"); *typeformat_offset += 2 + write_conf_or_var_desc(file, current_structure, 0, type, iid, RobustIsIIdIs); } else { const type_t *base = is_ptr(type) ? type_pointer_get_ref_type(type) : type; const struct uuid *uuid = get_attrp(base->attrs, ATTR_UUID);
if (! uuid) error("%s: interface %s missing UUID\n", __FUNCTION__, base->name);
print_file(file, 2, "0x2f,\t/* FC_IP */\n"); print_file(file, 2, "0x5a,\t/* FC_CONSTANT_IID */\n"); print_file(file, 2, "NdrFcLong(0x%08x),\n", uuid->Data1); print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data2); print_file(file, 2, "NdrFcShort(0x%04x),\n", uuid->Data3); for (i = 0; i < 8; ++i) print_file(file, 2, "0x%02x,\n", uuid->Data4[i]);
if (file) fprintf(file, "\n");
*typeformat_offset += 18; } return start_offset;}
static unsigned int write_contexthandle_tfs(FILE *file, const attr_list_t *attrs, type_t *type, enum type_context context, unsigned int *typeformat_offset){ unsigned int start_offset = *typeformat_offset; unsigned char flags = get_contexthandle_flags( current_iface, attrs, type, context == TYPE_CONTEXT_RETVAL );
print_start_tfs_comment(file, type, start_offset);
if (flags & 0x80) /* via ptr */ { int pointer_type = get_pointer_fc( type, attrs, TRUE, context == TYPE_CONTEXT_TOPLEVELPARAM ); if (!pointer_type) pointer_type = FC_RP; *typeformat_offset += 4; print_file(file, 2,"0x%x, 0x0,\t/* %s */\n", pointer_type, string_of_type(pointer_type) ); print_file(file, 2, "NdrFcShort(0x2),\t /* Offset= 2 (%u) */\n", *typeformat_offset); print_file(file, 0, "/* %2u */\n", *typeformat_offset); }
print_file(file, 2, "0x%02x,\t/* FC_BIND_CONTEXT */\n", FC_BIND_CONTEXT); print_file(file, 2, "0x%x,\t/* Context flags: ", flags); if (flags & NDR_CONTEXT_HANDLE_CANNOT_BE_NULL) print_file(file, 0, "can't be null, "); if (flags & NDR_CONTEXT_HANDLE_SERIALIZE) print_file(file, 0, "serialize, "); if (flags & NDR_CONTEXT_HANDLE_NOSERIALIZE) print_file(file, 0, "no serialize, "); if (flags & NDR_STRICT_CONTEXT_HANDLE) print_file(file, 0, "strict, "); if (flags & HANDLE_PARAM_IS_RETURN) print_file(file, 0, "return, "); if (flags & HANDLE_PARAM_IS_OUT) print_file(file, 0, "out, "); if (flags & HANDLE_PARAM_IS_IN) print_file(file, 0, "in, "); if (flags & HANDLE_PARAM_IS_VIA_PTR) print_file(file, 0, "via ptr, "); print_file(file, 0, "*/\n"); print_file(file, 2, "0x%x,\t/* rundown routine */\n", get_context_handle_offset( type )); print_file(file, 2, "0, /* FIXME: param num */\n"); *typeformat_offset += 4;
update_tfsoff( type, start_offset, file ); return start_offset;}
static unsigned int write_range_tfs(FILE *file, const attr_list_t *attrs, type_t *type, expr_list_t *range_list, unsigned int *typeformat_offset){ unsigned char fc; unsigned int start_offset = *typeformat_offset; const expr_t *range_min = LIST_ENTRY(list_head(range_list), const expr_t, entry); const expr_t *range_max = LIST_ENTRY(list_next(range_list, list_head(range_list)), const expr_t, entry);
if (type_get_type(type) == TYPE_BASIC) fc = get_basic_fc(type); else fc = get_enum_fc(type);
/* fc must fit in lower 4-bits of 8-bit field below */ assert(fc <= 0xf);
print_file(file, 0, "/* %u */\n", *typeformat_offset); print_file(file, 2, "0x%x,\t/* FC_RANGE */\n", FC_RANGE); print_file(file, 2, "0x%x,\t/* %s */\n", fc, string_of_type(fc)); print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_min->cval, range_min->cval); print_file(file, 2, "NdrFcLong(0x%x),\t/* %u */\n", range_max->cval, range_max->cval); update_tfsoff( type, start_offset, file ); *typeformat_offset += 10;
return start_offset;}
static unsigned int write_type_tfs(FILE *file, const attr_list_t *attrs, int toplevel_attrs, type_t *type, const char *name, enum type_context context, unsigned int *typeformat_offset){ unsigned int offset;
switch (typegen_detect_type(type, attrs, TDT_ALL_TYPES)) { case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: return write_contexthandle_tfs(file, attrs, type, context, typeformat_offset); case TGT_USER_TYPE: return write_user_tfs(file, type, typeformat_offset); case TGT_STRING: return write_string_tfs(file, attrs, toplevel_attrs, type, context, name, typeformat_offset); case TGT_ARRAY: { unsigned int off; /* conformant and pointer arrays are handled specially */ if ((context != TYPE_CONTEXT_CONTAINER && context != TYPE_CONTEXT_CONTAINER_NO_POINTERS) || !is_conformant_array(type) || type_array_is_decl_as_ptr(type)) off = write_array_tfs(file, attrs, toplevel_attrs, type, name, typeformat_offset); else off = 0; if (context != TYPE_CONTEXT_CONTAINER && context != TYPE_CONTEXT_CONTAINER_NO_POINTERS) { int ptr_type; ptr_type = get_pointer_fc_context(type, attrs, toplevel_attrs, context); if (type_array_is_decl_as_ptr(type) || (ptr_type != FC_RP && context == TYPE_CONTEXT_TOPLEVELPARAM)) { unsigned int absoff = type->typestring_offset; short reloff = absoff - (*typeformat_offset + 2); off = *typeformat_offset; print_file(file, 0, "/* %d */\n", off); print_file(file, 2, "0x%x, 0x0,\t/* %s */\n", ptr_type, string_of_type(ptr_type)); print_file(file, 2, "NdrFcShort(0x%hx),\t/* Offset= %hd (%u) */\n", reloff, reloff, absoff); if (ptr_type != FC_RP) update_tfsoff( type, off, file ); *typeformat_offset += 4; } type_array_set_ptr_tfsoff(type, off); } return off; } case TGT_STRUCT: return write_struct_tfs(file, type, attrs, name, typeformat_offset); case TGT_UNION: return write_union_tfs(file, attrs, type, typeformat_offset); case TGT_ENUM: case TGT_BASIC: /* nothing to do */ return 0; case TGT_RANGE: { expr_list_t *range_list = get_attrp(attrs, ATTR_RANGE); if (!range_list) range_list = get_aliaschain_attrp(type, ATTR_RANGE); return write_range_tfs(file, attrs, type, range_list, typeformat_offset); } case TGT_IFACE_POINTER: return write_ip_tfs(file, attrs, type, typeformat_offset); case TGT_POINTER: { enum type_context ref_context; type_t *ref = type_pointer_get_ref_type(type);
if (context == TYPE_CONTEXT_TOPLEVELPARAM) ref_context = TYPE_CONTEXT_PARAM; else if (context == TYPE_CONTEXT_CONTAINER_NO_POINTERS) ref_context = TYPE_CONTEXT_CONTAINER; else ref_context = context;
offset = write_type_tfs( file, attrs, FALSE, ref, name, ref_context, typeformat_offset); if (context == TYPE_CONTEXT_CONTAINER_NO_POINTERS) return 0; return write_pointer_tfs(file, attrs, toplevel_attrs, type, offset, context, typeformat_offset); } case TGT_INVALID: break; } error("invalid type %s for var %s\n", type->name, name); return 0;}
static void process_tfs_iface(type_t *iface, FILE *file, int indent, unsigned int *offset){ const statement_list_t *stmts = type_iface_get_stmts(iface); const statement_t *stmt; var_t *var;
current_iface = iface; if (stmts) LIST_FOR_EACH_ENTRY( stmt, stmts, statement_t, entry ) { switch(stmt->type) { case STMT_DECLARATION: { const var_t *func; const var_list_t *args;
if(stmt->u.var->declspec.stgclass != STG_NONE || type_get_type_detect_alias(stmt->u.var->declspec.type) != TYPE_FUNCTION) continue;
current_func = func = stmt->u.var; if (is_local(func->attrs)) continue;
current_arg = var = type_function_get_retval(func->declspec.type); if (!is_void(var->declspec.type)) var->typestring_offset = write_type_tfs( file, var->attrs, TRUE, var->declspec.type, func->name, TYPE_CONTEXT_RETVAL, offset);
args = type_function_get_args(func->declspec.type); if (args) LIST_FOR_EACH_ENTRY( var, args, var_t, entry ) { current_arg = var; var->typestring_offset = write_type_tfs( file, var->attrs, TRUE, var->declspec.type, var->name, TYPE_CONTEXT_TOPLEVELPARAM, offset ); } break;
} case STMT_TYPEDEF: { typeref_t *ref; if (stmt->u.type_list) LIST_FOR_EACH_ENTRY(ref, stmt->u.type_list, typeref_t, entry) { if (is_attr(ref->type->attrs, ATTR_ENCODE) || is_attr(ref->type->attrs, ATTR_DECODE)) ref->type->typestring_offset = write_type_tfs( file, ref->type->attrs, TRUE, ref->type, ref->type->name, TYPE_CONTEXT_CONTAINER, offset); } break; } default: break; } }}
static unsigned int process_tfs(FILE *file, const statement_list_t *stmts, type_pred_t pred){ unsigned int typeformat_offset = 2; for_each_iface(stmts, process_tfs_iface, pred, file, 0, &typeformat_offset); return typeformat_offset + 1;}
void write_typeformatstring(FILE *file, const statement_list_t *stmts, type_pred_t pred){ int indent = 0;
print_file(file, indent, "static const MIDL_TYPE_FORMAT_STRING __MIDL_TypeFormatString =\n"); print_file(file, indent, "{\n"); indent++; print_file(file, indent, "0,\n"); print_file(file, indent, "{\n"); indent++; print_file(file, indent, "NdrFcShort(0x0),\n");
set_all_tfswrite(TRUE); process_tfs(file, stmts, pred);
print_file(file, indent, "0x0\n"); indent--; print_file(file, indent, "}\n"); indent--; print_file(file, indent, "};\n"); print_file(file, indent, "\n");}
static unsigned int get_required_buffer_size_type(const type_t *type, const char *name, const attr_list_t *attrs, int toplevel_attrs, int toplevel_param, unsigned int *alignment){ *alignment = 0; switch (typegen_detect_type(type, attrs, TDT_IGNORE_RANGES)) { case TGT_USER_TYPE: { const char *uname = NULL; const type_t *utype = get_user_type(type, &uname); return get_required_buffer_size_type(utype, uname, NULL, FALSE, FALSE, alignment); } case TGT_BASIC: switch (get_basic_fc(type)) { case FC_BYTE: case FC_CHAR: case FC_USMALL: case FC_SMALL: *alignment = 4; return 1;
case FC_WCHAR: case FC_USHORT: case FC_SHORT: *alignment = 4; return 2;
case FC_ULONG: case FC_LONG: case FC_FLOAT: case FC_ERROR_STATUS_T: *alignment = 4; return 4;
case FC_HYPER: case FC_DOUBLE: *alignment = 8; return 8;
case FC_INT3264: case FC_UINT3264: assert( pointer_size ); *alignment = pointer_size; return pointer_size;
case FC_IGNORE: case FC_BIND_PRIMITIVE: return 0;
default: error("get_required_buffer_size: unknown basic type 0x%02x\n", get_basic_fc(type)); return 0; } break;
case TGT_ENUM: switch (get_enum_fc(type)) { case FC_ENUM32: *alignment = 4; return 4; case FC_ENUM16: *alignment = 4; return 2; } break;
case TGT_STRUCT: if (get_struct_fc(type) == FC_STRUCT) { if (!type_struct_get_fields(type)) return 0; return fields_memsize(type_struct_get_fields(type), alignment); } break;
case TGT_POINTER: { unsigned int size, align; const type_t *ref = type_pointer_get_ref_type(type); if (is_string_type( attrs, ref )) break; if (!(size = get_required_buffer_size_type( ref, name, attrs, FALSE, FALSE, &align ))) break; if (get_pointer_fc(type, attrs, toplevel_attrs, toplevel_param) != FC_RP) { size += 4 + align; align = 4; } *alignment = align; return size; }
case TGT_ARRAY: switch (get_array_fc(type, attrs)) { case FC_SMFARRAY: case FC_LGFARRAY: return type_array_get_dim(type) * get_required_buffer_size_type(type_array_get_element_type(type), name, attrs, FALSE, FALSE, alignment); } break;
default: break; } return 0;}
static unsigned int get_required_buffer_size(const var_t *var, unsigned int *alignment, enum pass pass){ int in_attr = is_attr(var->attrs, ATTR_IN); int out_attr = is_attr(var->attrs, ATTR_OUT);
if (!in_attr && !out_attr) in_attr = 1;
*alignment = 0;
if ((pass == PASS_IN && in_attr) || (pass == PASS_OUT && out_attr) || pass == PASS_RETURN) { if (is_ptrchain_attr(var, ATTR_CONTEXTHANDLE)) { *alignment = 4; return 20; }
if (!is_string_type(var->attrs, var->declspec.type)) return get_required_buffer_size_type(var->declspec.type, var->name, var->attrs, TRUE, TRUE, alignment); } return 0;}
static unsigned int get_function_buffer_size( const var_t *func, enum pass pass ){ const var_t *var; unsigned int total_size = 0, alignment;
if (type_function_get_args(func->declspec.type)) { LIST_FOR_EACH_ENTRY( var, type_function_get_args(func->declspec.type), const var_t, entry ) { total_size += get_required_buffer_size(var, &alignment, pass); total_size += alignment; } }
if (pass == PASS_OUT && !is_void(type_function_get_rettype(func->declspec.type))) { var_t v = *func; v.declspec.type = type_function_get_rettype(func->declspec.type); total_size += get_required_buffer_size(&v, &alignment, PASS_RETURN); total_size += alignment; } return total_size;}
static void print_phase_function(FILE *file, int indent, const char *type, const char *local_var_prefix, enum remoting_phase phase, const var_t *var, unsigned int type_offset){ const char *function; switch (phase) { case PHASE_BUFFERSIZE: function = "BufferSize"; break; case PHASE_MARSHAL: function = "Marshall"; break; case PHASE_UNMARSHAL: function = "Unmarshall"; break; case PHASE_FREE: function = "Free"; break; default: assert(0); return; }
print_file(file, indent, "Ndr%s%s(\n", type, function); indent++; print_file(file, indent, "&__frame->_StubMsg,\n"); print_file(file, indent, "%s%s%s%s%s,\n", (phase == PHASE_UNMARSHAL) ? "(unsigned char **)" : "(unsigned char *)", (phase == PHASE_UNMARSHAL || decl_indirect(var->declspec.type)) ? "&" : "", local_var_prefix, (phase == PHASE_UNMARSHAL && decl_indirect(var->declspec.type)) ? "_p_" : "", var->name); print_file(file, indent, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]%s\n", type_offset, (phase == PHASE_UNMARSHAL) ? "," : ");"); if (phase == PHASE_UNMARSHAL) print_file(file, indent, "0);\n"); indent--;}
void print_phase_basetype(FILE *file, int indent, const char *local_var_prefix, enum remoting_phase phase, enum pass pass, const var_t *var, const char *varname){ type_t *type = var->declspec.type; unsigned int alignment = 0;
/* no work to do for other phases, buffer sizing is done elsewhere */ if (phase != PHASE_MARSHAL && phase != PHASE_UNMARSHAL) return;
if (type_get_type(type) == TYPE_ENUM || (type_get_type(type) == TYPE_BASIC && type_basic_get_type(type) == TYPE_BASIC_INT3264 && pointer_size != 4)) { unsigned char fc;
if (type_get_type(type) == TYPE_ENUM) fc = get_enum_fc(type); else fc = get_basic_fc(type);
if (phase == PHASE_MARSHAL) print_file(file, indent, "NdrSimpleTypeMarshall(\n"); else print_file(file, indent, "NdrSimpleTypeUnmarshall(\n"); print_file(file, indent+1, "&__frame->_StubMsg,\n"); print_file(file, indent+1, "(unsigned char *)&%s%s,\n", local_var_prefix, var->name); print_file(file, indent+1, "0x%02x /* %s */);\n", fc, string_of_type(fc)); } else { const decl_spec_t *ref = is_ptr(type) ? type_pointer_get_ref(type) : &var->declspec;
switch (get_basic_fc(ref->type)) { case FC_BYTE: case FC_CHAR: case FC_SMALL: case FC_USMALL: alignment = 1; break;
case FC_WCHAR: case FC_USHORT: case FC_SHORT: alignment = 2; break;
case FC_ULONG: case FC_LONG: case FC_FLOAT: case FC_ERROR_STATUS_T: /* pointer_size must be 4 if we got here in these two cases */ case FC_INT3264: case FC_UINT3264: alignment = 4; break;
case FC_HYPER: case FC_DOUBLE: alignment = 8; break;
case FC_IGNORE: case FC_BIND_PRIMITIVE: /* no marshalling needed */ return;
default: error("print_phase_basetype: Unsupported type: %s (0x%02x, ptr_level: 0)\n", var->name, get_basic_fc(ref->type)); }
if (phase == PHASE_MARSHAL && alignment > 1) print_file(file, indent, "MIDL_memset(__frame->_StubMsg.Buffer, 0, (0x%x - (ULONG_PTR)__frame->_StubMsg.Buffer) & 0x%x);\n", alignment, alignment - 1); print_file(file, indent, "__frame->_StubMsg.Buffer = (unsigned char *)(((ULONG_PTR)__frame->_StubMsg.Buffer + %u) & ~0x%x);\n", alignment - 1, alignment - 1);
if (phase == PHASE_MARSHAL) { print_file(file, indent, "*("); write_type_decl(file, ref, NULL); if (is_ptr(type)) fprintf(file, " *)__frame->_StubMsg.Buffer = *"); else fprintf(file, " *)__frame->_StubMsg.Buffer = "); fprintf(file, "%s%s", local_var_prefix, varname); fprintf(file, ";\n"); } else if (phase == PHASE_UNMARSHAL) { print_file(file, indent, "if (__frame->_StubMsg.Buffer + sizeof("); write_type_decl(file, ref, NULL); fprintf(file, ") > __frame->_StubMsg.BufferEnd)\n"); print_file(file, indent, "{\n"); print_file(file, indent + 1, "RpcRaiseException(RPC_X_BAD_STUB_DATA);\n"); print_file(file, indent, "}\n"); print_file(file, indent, "%s%s%s", (pass == PASS_IN || pass == PASS_RETURN) ? "" : "*", local_var_prefix, varname); if (pass == PASS_IN && is_ptr(type)) fprintf(file, " = ("); else fprintf(file, " = *("); write_type_decl(file, ref, NULL); fprintf(file, " *)__frame->_StubMsg.Buffer;\n"); }
print_file(file, indent, "__frame->_StubMsg.Buffer += sizeof("); write_type_decl(file, ref, NULL); fprintf(file, ");\n"); }}
/* returns whether the MaxCount, Offset or ActualCount members need to be * filled in for the specified phase */static inline int is_conformance_needed_for_phase(enum remoting_phase phase){ return (phase != PHASE_UNMARSHAL);}
expr_t *get_size_is_expr(const type_t *t, const char *name){ expr_t *x = NULL;
for ( ; is_array(t); t = type_array_get_element_type(t)) if (type_array_has_conformance(t) && type_array_get_conformance(t)->type != EXPR_VOID) { if (!x) x = type_array_get_conformance(t); else error("%s: multidimensional conformant" " arrays not supported at the top level\n", name); }
return x;}
void write_parameter_conf_or_var_exprs(FILE *file, int indent, const char *local_var_prefix, enum remoting_phase phase, const var_t *var, int valid_variance){ const type_t *type = var->declspec.type; /* get fundamental type for the argument */ for (;;) { switch (typegen_detect_type(type, var->attrs, TDT_IGNORE_STRINGS|TDT_IGNORE_RANGES)) { case TGT_ARRAY: if (is_conformance_needed_for_phase(phase)) { if (type_array_has_conformance(type) && type_array_get_conformance(type)->type != EXPR_VOID) { print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)"); write_expr(file, type_array_get_conformance(type), 1, 1, NULL, NULL, local_var_prefix); fprintf(file, ";\n\n"); } if (type_array_has_variance(type)) { print_file(file, indent, "__frame->_StubMsg.Offset = 0;\n"); /* FIXME */ if (valid_variance) { print_file(file, indent, "__frame->_StubMsg.ActualCount = (ULONG_PTR)"); write_expr(file, type_array_get_variance(type), 1, 1, NULL, NULL, local_var_prefix); fprintf(file, ";\n\n"); } else print_file(file, indent, "__frame->_StubMsg.ActualCount = __frame->_StubMsg.MaxCount;\n\n"); } } break; case TGT_UNION: if (type_get_type(type) == TYPE_UNION && is_conformance_needed_for_phase(phase)) { print_file(file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR)"); write_expr(file, get_attrp(var->attrs, ATTR_SWITCHIS), 1, 1, NULL, NULL, local_var_prefix); fprintf(file, ";\n\n"); } break; case TGT_IFACE_POINTER: { expr_t *iid;
if (is_conformance_needed_for_phase(phase) && (iid = get_attrp( var->attrs, ATTR_IIDIS ))) { print_file( file, indent, "__frame->_StubMsg.MaxCount = (ULONG_PTR) " ); write_expr( file, iid, 1, 1, NULL, NULL, local_var_prefix ); fprintf( file, ";\n\n" ); } break; } case TGT_POINTER: type = type_pointer_get_ref_type(type); continue; case TGT_INVALID: case TGT_USER_TYPE: case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: case TGT_STRING: case TGT_BASIC: case TGT_ENUM: case TGT_STRUCT: case TGT_RANGE: break; } break; }}
static void write_remoting_arg(FILE *file, int indent, const var_t *func, const char *local_var_prefix, enum pass pass, enum remoting_phase phase, const var_t *var){ int in_attr, out_attr, pointer_type; const char *type_str = NULL; const type_t *type = var->declspec.type; unsigned int alignment, start_offset = type->typestring_offset;
if (is_ptr(type) || is_array(type)) pointer_type = get_pointer_fc(type, var->attrs, TRUE, pass != PASS_RETURN); else pointer_type = 0;
in_attr = is_attr(var->attrs, ATTR_IN); out_attr = is_attr(var->attrs, ATTR_OUT); if (!in_attr && !out_attr) in_attr = 1;
if (phase != PHASE_FREE) switch (pass) { case PASS_IN: if (!in_attr) return; break; case PASS_OUT: if (!out_attr) return; break; case PASS_RETURN: break; }
if (phase == PHASE_BUFFERSIZE && get_required_buffer_size( var, &alignment, pass )) return;
write_parameter_conf_or_var_exprs(file, indent, local_var_prefix, phase, var, TRUE);
switch (typegen_detect_type(type, var->attrs, TDT_ALL_TYPES)) { case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: if (phase == PHASE_MARSHAL) { if (pass == PASS_IN) { /* if the context_handle attribute appears in the chain of types * without pointers being followed, then the context handle must * be direct, otherwise it is a pointer */ const char *ch_ptr = is_aliaschain_attr(type, ATTR_CONTEXTHANDLE) ? "" : "*"; print_file(file, indent, "NdrClientContextMarshall(\n"); print_file(file, indent + 1, "&__frame->_StubMsg,\n"); print_file(file, indent + 1, "(NDR_CCONTEXT)%s%s%s,\n", ch_ptr, local_var_prefix, var->name); print_file(file, indent + 1, "%s);\n", in_attr && out_attr ? "1" : "0"); } else { print_file(file, indent, "NdrServerContextNewMarshall(\n"); print_file(file, indent + 1, "&__frame->_StubMsg,\n"); print_file(file, indent + 1, "(NDR_SCONTEXT)%s%s,\n", local_var_prefix, var->name); print_file(file, indent + 1, "(NDR_RUNDOWN)%s_rundown,\n", get_context_handle_type_name(var->declspec.type)); print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset); } } else if (phase == PHASE_UNMARSHAL) { if (pass == PASS_OUT || pass == PASS_RETURN) { if (!in_attr) print_file(file, indent, "*%s%s = 0;\n", local_var_prefix, var->name); print_file(file, indent, "NdrClientContextUnmarshall(\n"); print_file(file, indent + 1, "&__frame->_StubMsg,\n"); print_file(file, indent + 1, "(NDR_CCONTEXT *)%s%s%s,\n", pass == PASS_RETURN ? "&" : "", local_var_prefix, var->name); print_file(file, indent + 1, "__frame->_Handle);\n"); } else { print_file(file, indent, "%s%s = NdrServerContextNewUnmarshall(\n", local_var_prefix, var->name); print_file(file, indent + 1, "&__frame->_StubMsg,\n"); print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", start_offset); } } break; case TGT_USER_TYPE: print_phase_function(file, indent, "UserMarshal", local_var_prefix, phase, var, start_offset); break; case TGT_STRING: if (phase == PHASE_FREE || pass == PASS_RETURN || pointer_type != FC_RP) { /* strings returned are assumed to be global and hence don't * need freeing */ if (is_declptr(type) && !(phase == PHASE_FREE && pass == PASS_RETURN)) print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset); else if (pointer_type == FC_RP && phase == PHASE_FREE && !in_attr && is_conformant_array(type)) { print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name); indent++; print_file(file, indent, "__frame->_StubMsg.pfnFree((void*)%s%s);\n", local_var_prefix, var->name); } } else { unsigned int real_start_offset = start_offset; /* skip over pointer description straight to string description */ if (is_declptr(type)) { if (is_conformant_array(type)) real_start_offset += 4; else real_start_offset += 2; } if (is_array(type) && !is_conformant_array(type)) print_phase_function(file, indent, "NonConformantString", local_var_prefix, phase, var, real_start_offset); else print_phase_function(file, indent, "ConformantString", local_var_prefix, phase, var, real_start_offset); } break; case TGT_ARRAY: { unsigned char tc = get_array_fc(type, var->attrs); const char *array_type = NULL;
/* We already have the size_is expression since it's at the top level, but do checks for multidimensional conformant arrays. When we handle them, we'll need to extend this function to return a list, and then we'll actually use the return value. */ get_size_is_expr(type, var->name);
switch (tc) { case FC_SMFARRAY: case FC_LGFARRAY: array_type = "FixedArray"; break; case FC_SMVARRAY: case FC_LGVARRAY: array_type = "VaryingArray"; break; case FC_CARRAY: array_type = "ConformantArray"; break; case FC_CVARRAY: array_type = "ConformantVaryingArray"; break; case FC_BOGUS_ARRAY: array_type = "ComplexArray"; break; }
if (pointer_type != FC_RP) array_type = "Pointer";
if (phase == PHASE_FREE && pointer_type == FC_RP) { /* these are all unmarshalled by allocating memory */ if (tc == FC_BOGUS_ARRAY || tc == FC_CVARRAY || ((tc == FC_SMVARRAY || tc == FC_LGVARRAY) && in_attr) || (tc == FC_CARRAY && !in_attr)) { if (type_array_is_decl_as_ptr(type) && type_array_get_ptr_tfsoff(type)) { print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, type_array_get_ptr_tfsoff(type)); break; } print_phase_function(file, indent, array_type, local_var_prefix, phase, var, start_offset); print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name); indent++; print_file(file, indent, "__frame->_StubMsg.pfnFree((void*)%s%s);\n", local_var_prefix, var->name); break; } } print_phase_function(file, indent, array_type, local_var_prefix, phase, var, start_offset); break; } case TGT_BASIC: print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name); break; case TGT_ENUM: print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name); break; case TGT_RANGE: print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name); /* Note: this goes beyond what MIDL does - it only supports arguments * with the [range] attribute in Oicf mode */ if (phase == PHASE_UNMARSHAL) { const expr_t *range_min; const expr_t *range_max; expr_list_t *range_list = get_attrp(var->attrs, ATTR_RANGE); if (!range_list) range_list = get_aliaschain_attrp(type, ATTR_RANGE); range_min = LIST_ENTRY(list_head(range_list), const expr_t, entry); range_max = LIST_ENTRY(list_next(range_list, list_head(range_list)), const expr_t, entry);
print_file(file, indent, "if ((%s%s < (", local_var_prefix, var->name); write_type_decl(file, &var->declspec, NULL); fprintf(file, ")0x%x) || (%s%s > (", range_min->cval, local_var_prefix, var->name); write_type_decl(file, &var->declspec, NULL); fprintf(file, ")0x%x))\n", range_max->cval); print_file(file, indent, "{\n"); print_file(file, indent+1, "RpcRaiseException(RPC_S_INVALID_BOUND);\n"); print_file(file, indent, "}\n"); } break; case TGT_STRUCT: switch (get_struct_fc(type)) { case FC_STRUCT: if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL) print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset); break; case FC_PSTRUCT: print_phase_function(file, indent, "SimpleStruct", local_var_prefix, phase, var, start_offset); break; case FC_CSTRUCT: case FC_CPSTRUCT: print_phase_function(file, indent, "ConformantStruct", local_var_prefix, phase, var, start_offset); break; case FC_CVSTRUCT: print_phase_function(file, indent, "ConformantVaryingStruct", local_var_prefix, phase, var, start_offset); break; case FC_BOGUS_STRUCT: print_phase_function(file, indent, "ComplexStruct", local_var_prefix, phase, var, start_offset); break; default: error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(type)); } break; case TGT_UNION: { const char *union_type = NULL;
if (type_get_type(type) == TYPE_UNION) union_type = "NonEncapsulatedUnion"; else if (type_get_type(type) == TYPE_ENCAPSULATED_UNION) union_type = "EncapsulatedUnion";
print_phase_function(file, indent, union_type, local_var_prefix, phase, var, start_offset); break; } case TGT_POINTER: { const type_t *ref = type_pointer_get_ref_type(type); if (pointer_type == FC_RP) switch (typegen_detect_type(ref, var->attrs, TDT_ALL_TYPES)) { case TGT_BASIC: print_phase_basetype(file, indent, local_var_prefix, phase, pass, var, var->name); break; case TGT_ENUM: /* base types have known sizes, so don't need a sizing pass * and don't have any memory to free and so don't need a * freeing pass */ if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL) print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset); break; case TGT_STRUCT: switch (get_struct_fc(ref)) { case FC_STRUCT: /* simple structs have known sizes, so don't need a sizing * pass and don't have any memory to free and so don't * need a freeing pass */ if (phase == PHASE_MARSHAL || phase == PHASE_UNMARSHAL) type_str = "SimpleStruct"; else if (phase == PHASE_FREE && pass == PASS_RETURN) { print_file(file, indent, "if (%s%s)\n", local_var_prefix, var->name); indent++; print_file(file, indent, "__frame->_StubMsg.pfnFree((void*)%s%s);\n", local_var_prefix, var->name); indent--; } break; case FC_PSTRUCT: type_str = "SimpleStruct"; break; case FC_CSTRUCT: case FC_CPSTRUCT: type_str = "ConformantStruct"; break; case FC_CVSTRUCT: type_str = "ConformantVaryingStruct"; break; case FC_BOGUS_STRUCT: type_str = "ComplexStruct"; break; default: error("write_remoting_arguments: Unsupported type: %s (0x%02x)\n", var->name, get_struct_fc(ref)); }
if (type_str) { if (phase == PHASE_FREE) type_str = "Pointer"; else start_offset = ref->typestring_offset; print_phase_function(file, indent, type_str, local_var_prefix, phase, var, start_offset); } break; case TGT_UNION: if (phase == PHASE_FREE) type_str = "Pointer"; else { if (type_get_type(ref) == TYPE_UNION) type_str = "NonEncapsulatedUnion"; else if (type_get_type(ref) == TYPE_ENCAPSULATED_UNION) type_str = "EncapsulatedUnion";
start_offset = ref->typestring_offset; }
print_phase_function(file, indent, type_str, local_var_prefix, phase, var, start_offset); break; case TGT_USER_TYPE: if (phase != PHASE_FREE) { type_str = "UserMarshal"; start_offset = ref->typestring_offset; } else type_str = "Pointer";
print_phase_function(file, indent, type_str, local_var_prefix, phase, var, start_offset); break; case TGT_STRING: case TGT_POINTER: case TGT_ARRAY: case TGT_RANGE: case TGT_IFACE_POINTER: case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset); break; case TGT_INVALID: assert(0); break; } else print_phase_function(file, indent, "Pointer", local_var_prefix, phase, var, start_offset); break; } case TGT_IFACE_POINTER: print_phase_function(file, indent, "InterfacePointer", local_var_prefix, phase, var, start_offset); break; case TGT_INVALID: assert(0); break; } fprintf(file, "\n");}
void write_remoting_arguments(FILE *file, int indent, const var_t *func, const char *local_var_prefix, enum pass pass, enum remoting_phase phase){ if (phase == PHASE_BUFFERSIZE && pass != PASS_RETURN) { unsigned int size = get_function_buffer_size( func, pass ); print_file(file, indent, "__frame->_StubMsg.BufferLength = %u;\n", size); }
if (pass == PASS_RETURN) { write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, type_function_get_retval(func->declspec.type) ); } else { const var_t *var; if (!type_function_get_args(func->declspec.type)) return; LIST_FOR_EACH_ENTRY( var, type_function_get_args(func->declspec.type), const var_t, entry ) write_remoting_arg( file, indent, func, local_var_prefix, pass, phase, var ); }}
unsigned int get_size_procformatstring_func(const type_t *iface, const var_t *func){ unsigned int offset = 0; write_procformatstring_func( NULL, 0, iface, func, &offset, 0 ); return offset;}
static void get_size_procformatstring_iface(type_t *iface, FILE *file, int indent, unsigned int *size){ const statement_t *stmt; STATEMENTS_FOR_EACH_FUNC( stmt, type_iface_get_stmts(iface) ) { const var_t *func = stmt->u.var; if (!is_local(func->attrs)) *size += get_size_procformatstring_func( iface, func ); }}
unsigned int get_size_procformatstring(const statement_list_t *stmts, type_pred_t pred){ unsigned int size = 1; for_each_iface(stmts, get_size_procformatstring_iface, pred, NULL, 0, &size); return size;}
unsigned int get_size_typeformatstring(const statement_list_t *stmts, type_pred_t pred){ set_all_tfswrite(FALSE); return process_tfs(NULL, stmts, pred);}
void declare_stub_args( FILE *file, int indent, const var_t *func ){ int in_attr, out_attr; int i = 0; var_t *var = type_function_get_retval(func->declspec.type);
/* declare return value */ if (!is_void(var->declspec.type)) { if (is_context_handle(var->declspec.type)) print_file(file, indent, "NDR_SCONTEXT %s;\n", var->name); else { print_file(file, indent, "%s", ""); write_type_decl(file, &var->declspec, var->name); fprintf(file, ";\n"); } }
if (!type_function_get_args(func->declspec.type)) return;
LIST_FOR_EACH_ENTRY( var, type_function_get_args(func->declspec.type), var_t, entry ) { in_attr = is_attr(var->attrs, ATTR_IN); out_attr = is_attr(var->attrs, ATTR_OUT); if (!out_attr && !in_attr) in_attr = 1;
if (is_context_handle(var->declspec.type)) print_file(file, indent, "NDR_SCONTEXT %s;\n", var->name); else { if (!in_attr && !is_conformant_array(var->declspec.type)) { const decl_spec_t *type_to_print; char name[16]; print_file(file, indent, "%s", ""); if (type_get_type(var->declspec.type) == TYPE_ARRAY && !type_array_is_decl_as_ptr(var->declspec.type)) type_to_print = &var->declspec; else type_to_print = type_pointer_get_ref(var->declspec.type); snprintf(name, sizeof(name), "_W%u", i++); write_type_decl(file, type_to_print, name); fprintf(file, ";\n"); }
print_file(file, indent, "%s", ""); write_type_decl_left(file, &var->declspec); fprintf(file, " "); if (type_get_type(var->declspec.type) == TYPE_ARRAY && !type_array_is_decl_as_ptr(var->declspec.type)) { fprintf(file, "(*%s)", var->name); } else fprintf(file, "%s", var->name); write_type_right(file, var->declspec.type, FALSE); fprintf(file, ";\n");
if (decl_indirect(var->declspec.type)) print_file(file, indent, "void *_p_%s;\n", var->name); } }}
void assign_stub_out_args( FILE *file, int indent, const var_t *func, const char *local_var_prefix ){ int in_attr, out_attr; int i = 0, sep = 0; const var_t *var; type_t *ref;
if (!type_function_get_args(func->declspec.type)) return;
LIST_FOR_EACH_ENTRY( var, type_function_get_args(func->declspec.type), const var_t, entry ) { in_attr = is_attr(var->attrs, ATTR_IN); out_attr = is_attr(var->attrs, ATTR_OUT); if (!out_attr && !in_attr) in_attr = 1;
if (!in_attr) { print_file(file, indent, "%s%s", local_var_prefix, var->name);
switch (typegen_detect_type(var->declspec.type, var->attrs, TDT_IGNORE_STRINGS)) { case TGT_CTXT_HANDLE_POINTER: fprintf(file, " = NdrContextHandleInitialize(\n"); print_file(file, indent + 1, "&__frame->_StubMsg,\n"); print_file(file, indent + 1, "(PFORMAT_STRING)&__MIDL_TypeFormatString.Format[%d]);\n", var->typestring_offset); break; case TGT_ARRAY: if (type_array_has_conformance(var->declspec.type)) { unsigned int size; type_t *type;
fprintf(file, " = NdrAllocate(&__frame->_StubMsg, "); for (type = var->declspec.type; is_array(type) && type_array_has_conformance(type); type = type_array_get_element_type(type)) { write_expr(file, type_array_get_conformance(type), TRUE, TRUE, NULL, NULL, local_var_prefix); fprintf(file, " * "); } size = type_memsize(type); fprintf(file, "%u);\n", size);
print_file(file, indent, "memset(%s%s, 0, ", local_var_prefix, var->name); for (type = var->declspec.type; is_array(type) && type_array_has_conformance(type); type = type_array_get_element_type(type)) { write_expr(file, type_array_get_conformance(type), TRUE, TRUE, NULL, NULL, local_var_prefix); fprintf(file, " * "); } size = type_memsize(type); fprintf(file, "%u);\n", size); } else fprintf(file, " = &%s_W%u;\n", local_var_prefix, i++); break; case TGT_POINTER: fprintf(file, " = &%s_W%u;\n", local_var_prefix, i); ref = type_pointer_get_ref_type(var->declspec.type); switch (typegen_detect_type(ref, var->attrs, TDT_IGNORE_STRINGS)) { case TGT_BASIC: case TGT_ENUM: case TGT_POINTER: case TGT_RANGE: case TGT_IFACE_POINTER: print_file(file, indent, "%s_W%u = 0;\n", local_var_prefix, i); break; case TGT_USER_TYPE: print_file(file, indent, "memset(&%s_W%u, 0, sizeof(%s_W%u));\n", local_var_prefix, i, local_var_prefix, i); break; case TGT_ARRAY: if (type_array_is_decl_as_ptr(ref)) { print_file(file, indent, "%s_W%u = 0;\n", local_var_prefix, i); break; } ref = type_array_get_element_type(ref); /* fall through */ case TGT_STRUCT: case TGT_UNION: if (type_has_pointers(ref, var->attrs)) print_file(file, indent, "memset(&%s_W%u, 0, sizeof(%s_W%u));\n", local_var_prefix, i, local_var_prefix, i); break; case TGT_CTXT_HANDLE: case TGT_CTXT_HANDLE_POINTER: case TGT_INVALID: case TGT_STRING: /* not initialised */ break; } i++; break; default: break; }
sep = 1; } } if (sep) fprintf(file, "\n");}
void write_func_param_struct( FILE *file, const type_t *iface, const type_t *func, const char *var_decl, int add_retval ){ var_t *retval = type_function_get_retval( func ); const var_list_t *args = type_function_get_args( func ); const var_t *arg; int needs_packing; unsigned int align = 0;
if (args) LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry ) if (!is_array( arg->declspec.type )) type_memsize_and_alignment( arg->declspec.type, &align );
needs_packing = (align > pointer_size);
if (needs_packing) print_file( file, 0, "#include <pshpack%u.h>\n", pointer_size ); print_file(file, 1, "struct _PARAM_STRUCT\n" ); print_file(file, 1, "{\n" ); if (is_object( iface )) print_file(file, 2, "%s *This;\n", iface->name );
if (args) LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry ) { print_file(file, 2, "%s", ""); write_type_left( file, &arg->declspec, NAME_DEFAULT, false, TRUE ); if (needs_space_after( arg->declspec.type )) fputc( ' ', file ); if (is_array( arg->declspec.type ) && !type_array_is_decl_as_ptr( arg->declspec.type )) fputc( '*', file );
/* FIXME: should check for large args being passed by pointer */ align = 0; if (is_array( arg->declspec.type ) || is_ptr( arg->declspec.type )) align = pointer_size; else type_memsize_and_alignment( arg->declspec.type, &align );
if (align < pointer_size) fprintf( file, "DECLSPEC_ALIGN(%u) ", pointer_size ); fprintf( file, "%s;\n", arg->name ); } if (add_retval && !is_void( retval->declspec.type )) { print_file(file, 2, "%s", ""); write_type_left( file, &retval->declspec, NAME_DEFAULT, false, TRUE ); if (needs_space_after( retval->declspec.type )) fputc( ' ', file ); if (!is_array( retval->declspec.type ) && !is_ptr( retval->declspec.type ) && type_memsize( retval->declspec.type ) != pointer_size) { fprintf( file, "DECLSPEC_ALIGN(%u) ", pointer_size ); } fprintf( file, "%s;\n", retval->name ); } print_file(file, 1, "} %s;\n", var_decl ); if (needs_packing) print_file( file, 0, "#include <poppack.h>\n" ); print_file( file, 0, "\n" );}
void write_pointer_checks( FILE *file, int indent, const var_t *func ){ const var_list_t *args = type_function_get_args( func->declspec.type ); const var_t *var;
if (!args) return;
LIST_FOR_EACH_ENTRY( var, args, const var_t, entry ) if (cant_be_null( var )) print_file( file, indent, "if (!%s) RpcRaiseException(RPC_X_NULL_REF_POINTER);\n", var->name );}
int write_expr_eval_routines(FILE *file, const char *iface){ static const char *var_name = "pS"; static const char *var_name_expr = "pS->"; int result = 0; struct expr_eval_routine *eval; unsigned short callback_offset = 0;
LIST_FOR_EACH_ENTRY(eval, &expr_eval_routines, struct expr_eval_routine, entry) { const char *name = eval->name; result = 1;
print_file(file, 0, "static void __RPC_USER %s_%sExprEval_%04u(PMIDL_STUB_MESSAGE pStubMsg)\n", eval->iface ? eval->iface->name : iface, name, callback_offset); print_file(file, 0, "{\n"); if (type_get_type( eval->cont_type ) == TYPE_FUNCTION) { write_func_param_struct( file, eval->iface, eval->cont_type, "*pS = (struct _PARAM_STRUCT *)pStubMsg->StackTop", FALSE ); } else { decl_spec_t ds = {.type = (type_t *)eval->cont_type}; print_file(file, 1, "%s", ""); write_type_left(file, &ds, NAME_DEFAULT, false, TRUE); fprintf(file, " *%s = (", var_name); write_type_left(file, &ds, NAME_DEFAULT, false, TRUE); fprintf(file, " *)(pStubMsg->StackTop - %u);\n", eval->baseoff); } print_file(file, 1, "pStubMsg->Offset = 0;\n"); /* FIXME */ print_file(file, 1, "pStubMsg->MaxCount = (ULONG_PTR)"); write_expr(file, eval->expr, 1, 1, var_name_expr, eval->cont_type, ""); fprintf(file, ";\n"); print_file(file, 0, "}\n\n"); callback_offset++; } return result;}
void write_expr_eval_routine_list(FILE *file, const char *iface){ struct expr_eval_routine *eval; struct expr_eval_routine *cursor; unsigned short callback_offset = 0;
fprintf(file, "static const EXPR_EVAL ExprEvalRoutines[] =\n"); fprintf(file, "{\n");
LIST_FOR_EACH_ENTRY_SAFE(eval, cursor, &expr_eval_routines, struct expr_eval_routine, entry) { print_file(file, 1, "%s_%sExprEval_%04u,\n", eval->iface ? eval->iface->name : iface, eval->name, callback_offset); callback_offset++; list_remove(&eval->entry); free(eval->name); free(eval); }
fprintf(file, "};\n\n");}
void write_user_quad_list(FILE *file){ user_type_t *ut;
if (list_empty(&user_type_list)) return;
fprintf(file, "static const USER_MARSHAL_ROUTINE_QUADRUPLE UserMarshalRoutines[] =\n"); fprintf(file, "{\n"); LIST_FOR_EACH_ENTRY(ut, &user_type_list, user_type_t, entry) { const char *sep = &ut->entry == list_tail(&user_type_list) ? "" : ","; print_file(file, 1, "{\n"); print_file(file, 2, "(USER_MARSHAL_SIZING_ROUTINE)%s_UserSize,\n", ut->name); print_file(file, 2, "(USER_MARSHAL_MARSHALLING_ROUTINE)%s_UserMarshal,\n", ut->name); print_file(file, 2, "(USER_MARSHAL_UNMARSHALLING_ROUTINE)%s_UserUnmarshal,\n", ut->name); print_file(file, 2, "(USER_MARSHAL_FREEING_ROUTINE)%s_UserFree\n", ut->name); print_file(file, 1, "}%s\n", sep); } fprintf(file, "};\n\n");}
void write_endpoints( FILE *f, const char *prefix, const str_list_t *list ){ const struct str_list_entry_t *endpoint; const char *p;
/* this should be an array of RPC_PROTSEQ_ENDPOINT but we want const strings */ print_file( f, 0, "static const unsigned char * const %s__RpcProtseqEndpoint[][2] =\n{\n", prefix ); LIST_FOR_EACH_ENTRY( endpoint, list, const struct str_list_entry_t, entry ) { print_file( f, 1, "{ (const unsigned char *)\"" ); for (p = endpoint->str; *p && *p != ':'; p++) { if (*p == '"' || *p == '\\') fputc( '\\', f ); fputc( *p, f ); } if (!*p) goto error; if (p[1] != '[') goto error;
fprintf( f, "\", (const unsigned char *)\"" ); for (p += 2; *p && *p != ']'; p++) { if (*p == '"' || *p == '\\') fputc( '\\', f ); fputc( *p, f ); } if (*p != ']') goto error; fprintf( f, "\" },\n" ); } print_file( f, 0, "};\n\n" ); return;
error: error("Invalid endpoint syntax '%s'\n", endpoint->str);}
void write_client_call_routine( FILE *file, const type_t *iface, const var_t *func, const char *prefix, unsigned int proc_offset ){ const decl_spec_t *rettype = type_function_get_ret( func->declspec.type ); int has_ret = !is_void( rettype->type ); const var_list_t *args = type_function_get_args( func->declspec.type ); const var_t *arg; int len, needs_params = 0;
/* we need a param structure if we have more than one arg */ if (target.cpu == CPU_i386 && args) needs_params = is_object( iface ) || list_count( args ) > 1;
print_file( file, 0, "{\n"); if (needs_params) { if (has_ret) print_file( file, 1, "%s", "CLIENT_CALL_RETURN _RetVal;\n" ); write_func_param_struct( file, iface, func->declspec.type, "__params", FALSE ); if (is_object( iface )) print_file( file, 1, "__params.This = This;\n" ); if (args) LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry ) print_file( file, 1, "__params.%s = %s;\n", arg->name, arg->name ); } else if (has_ret) print_file( file, 1, "%s", "CLIENT_CALL_RETURN _RetVal;\n\n" );
len = fprintf( file, " %s%s( ", has_ret ? "_RetVal = " : "", interpreted_mode ? "NdrClientCall2" : "NdrClientCall" ); fprintf( file, "&%s_StubDesc,", prefix ); fprintf( file, "\n%*s&__MIDL_ProcFormatString.Format[%u]", len, "", proc_offset ); if (needs_params) { fprintf( file, ",\n%*s&__params", len, "" ); } else if (target.cpu != CPU_i386) { if (is_object( iface )) fprintf( file, ",\n%*sThis", len, "" ); if (args) LIST_FOR_EACH_ENTRY( arg, args, const var_t, entry ) fprintf( file, ",\n%*s%s", len, "", arg->name ); } else { if (is_object( iface )) fprintf( file, ",\n%*s&This", len, "" ); else if (args) { arg = LIST_ENTRY( list_head(args), const var_t, entry ); fprintf( file, ",\n%*s&%s", len, "", arg->name ); } } fprintf( file, " );\n" ); if (has_ret) { print_file( file, 1, "return (" ); write_type_decl_left(file, rettype); fprintf( file, ")%s;\n", target.cpu != CPU_i386 ? "_RetVal.Simple" : "*(LONG_PTR *)&_RetVal" ); } print_file( file, 0, "}\n\n");}
void write_exceptions( FILE *file ){ fprintf( file, "#ifndef USE_COMPILER_EXCEPTIONS\n"); fprintf( file, "\n"); fprintf( file, "#include \"wine/exception.h\"\n"); fprintf( file, "#undef RpcTryExcept\n"); fprintf( file, "#undef RpcExcept\n"); fprintf( file, "#undef RpcEndExcept\n"); fprintf( file, "#undef RpcTryFinally\n"); fprintf( file, "#undef RpcFinally\n"); fprintf( file, "#undef RpcEndFinally\n"); fprintf( file, "#undef RpcExceptionCode\n"); fprintf( file, "#undef RpcAbnormalTermination\n"); fprintf( file, "\n"); fprintf( file, "struct __exception_frame;\n"); fprintf( file, "typedef int (*__filter_func)(struct __exception_frame *);\n"); fprintf( file, "typedef void (*__finally_func)(struct __exception_frame *);\n"); fprintf( file, "\n"); fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n"); fprintf( file, " EXCEPTION_REGISTRATION_RECORD frame; \\\n"); fprintf( file, " __filter_func filter; \\\n"); fprintf( file, " __finally_func finally; \\\n"); fprintf( file, " __wine_jmp_buf jmp; \\\n"); fprintf( file, " DWORD code; \\\n"); fprintf( file, " unsigned char abnormal_termination; \\\n"); fprintf( file, " unsigned char filter_level; \\\n"); fprintf( file, " unsigned char finally_level;\n"); fprintf( file, "\n"); fprintf( file, "struct __exception_frame\n{\n"); fprintf( file, " __DECL_EXCEPTION_FRAME\n"); fprintf( file, "};\n"); fprintf( file, "\n"); fprintf( file, "static inline void __widl_unwind_target(void)\n" ); fprintf( file, "{\n"); fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)__wine_get_frame();\n" ); fprintf( file, " if (exc_frame->finally_level > exc_frame->filter_level)\n" ); fprintf( file, " {\n"); fprintf( file, " exc_frame->abnormal_termination = 1;\n"); fprintf( file, " exc_frame->finally( exc_frame );\n"); fprintf( file, " __wine_pop_frame( &exc_frame->frame );\n"); fprintf( file, " }\n"); fprintf( file, " exc_frame->filter_level = 0;\n"); fprintf( file, " __wine_longjmp( &exc_frame->jmp, 1 );\n"); fprintf( file, "}\n"); fprintf( file, "\n"); fprintf( file, "static DWORD __cdecl __widl_exception_handler( EXCEPTION_RECORD *record,\n"); fprintf( file, " EXCEPTION_REGISTRATION_RECORD *frame,\n"); fprintf( file, " CONTEXT *context,\n"); fprintf( file, " EXCEPTION_REGISTRATION_RECORD **pdispatcher )\n"); fprintf( file, "{\n"); fprintf( file, " struct __exception_frame *exc_frame = (struct __exception_frame *)frame;\n"); fprintf( file, "\n"); fprintf( file, " if (record->ExceptionFlags & (EXCEPTION_UNWINDING | EXCEPTION_EXIT_UNWIND | EXCEPTION_NESTED_CALL))\n"); fprintf( file, " {\n" ); fprintf( file, " if (exc_frame->finally_level && (record->ExceptionFlags & (EXCEPTION_UNWINDING | EXCEPTION_EXIT_UNWIND)))\n"); fprintf( file, " {\n" ); fprintf( file, " exc_frame->abnormal_termination = 1;\n"); fprintf( file, " exc_frame->finally( exc_frame );\n"); fprintf( file, " }\n" ); fprintf( file, " return ExceptionContinueSearch;\n"); fprintf( file, " }\n" ); fprintf( file, " exc_frame->code = record->ExceptionCode;\n"); fprintf( file, " if (exc_frame->filter_level && exc_frame->filter( exc_frame ) == EXCEPTION_EXECUTE_HANDLER)\n" ); fprintf( file, " __wine_rtl_unwind( frame, record, __widl_unwind_target );\n"); fprintf( file, " return ExceptionContinueSearch;\n"); fprintf( file, "}\n"); fprintf( file, "\n"); fprintf( file, "#define RpcTryExcept \\\n"); fprintf( file, " if (!__wine_setjmpex( &__frame->jmp, &__frame->frame )) \\\n"); fprintf( file, " { \\\n"); fprintf( file, " if (!__frame->finally_level) \\\n" ); fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n"); fprintf( file, " __frame->filter_level = __frame->finally_level + 1;\n" ); fprintf( file, "\n"); fprintf( file, "#define RpcExcept(expr) \\\n"); fprintf( file, " if (!__frame->finally_level) \\\n" ); fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n"); fprintf( file, " __frame->filter_level = 0; \\\n" ); fprintf( file, " } \\\n"); fprintf( file, " else \\\n"); fprintf( file, "\n"); fprintf( file, "#define RpcEndExcept\n"); fprintf( file, "\n"); fprintf( file, "#define RpcExceptionCode() (__frame->code)\n"); fprintf( file, "\n"); fprintf( file, "#define RpcTryFinally \\\n"); fprintf( file, " if (!__frame->filter_level) \\\n"); fprintf( file, " __wine_push_frame( &__frame->frame ); \\\n"); fprintf( file, " __frame->finally_level = __frame->filter_level + 1;\n"); fprintf( file, "\n"); fprintf( file, "#define RpcFinally \\\n"); fprintf( file, " if (!__frame->filter_level) \\\n"); fprintf( file, " __wine_pop_frame( &__frame->frame ); \\\n"); fprintf( file, " __frame->finally_level = 0;\n"); fprintf( file, "\n"); fprintf( file, "#define RpcEndFinally\n"); fprintf( file, "\n"); fprintf( file, "#define RpcAbnormalTermination() (__frame->abnormal_termination)\n"); fprintf( file, "\n"); fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n"); fprintf( file, " do { \\\n"); fprintf( file, " __frame->frame.Handler = __widl_exception_handler; \\\n"); fprintf( file, " __frame->filter = (__filter_func)(filter_func); \\\n" ); fprintf( file, " __frame->finally = (__finally_func)(finally_func); \\\n"); fprintf( file, " __frame->abnormal_termination = 0; \\\n"); fprintf( file, " __frame->filter_level = 0; \\\n"); fprintf( file, " __frame->finally_level = 0; \\\n"); fprintf( file, " } while (0)\n"); fprintf( file, "\n"); fprintf( file, "#else /* USE_COMPILER_EXCEPTIONS */\n"); fprintf( file, "\n"); fprintf( file, "#define RpcExceptionInit(filter_func,finally_func) \\\n"); fprintf( file, " do { (void)(filter_func); } while(0)\n"); fprintf( file, "\n"); fprintf( file, "#define __DECL_EXCEPTION_FRAME \\\n"); fprintf( file, " DWORD code;\n"); fprintf( file, "\n"); fprintf( file, "#endif /* USE_COMPILER_EXCEPTIONS */\n");}