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wine/dlls/dbghelp/symbol.c
Alexandre Julliard 03ce134d6f dbghelp: Use nameless union/structs.
2023-07-05 17:03:30 +02:00

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/*
* File symbol.c - management of symbols (lexical tree)
*
* Copyright (C) 1993, Eric Youngdale.
* 2004, Eric Pouech
*
* 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <assert.h>
#include "wine/debug.h"
#include "dbghelp_private.h"
#include "winnls.h"
WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
extern char * CDECL __unDName(char *buffer, const char *mangled, int len,
void * (CDECL *pfn_alloc)(size_t), void (CDECL *pfn_free)(void *), unsigned short flags);
static inline int cmp_addr(ULONG64 a1, ULONG64 a2)
{
if (a1 > a2) return 1;
if (a1 < a2) return -1;
return 0;
}
static inline int cmp_sorttab_addr(struct module* module, int idx, ULONG64 addr)
{
ULONG64 ref;
symt_get_address(&module->addr_sorttab[idx]->symt, &ref);
return cmp_addr(ref, addr);
}
int __cdecl symt_cmp_addr(const void* p1, const void* p2)
{
const struct symt* sym1 = *(const struct symt* const *)p1;
const struct symt* sym2 = *(const struct symt* const *)p2;
ULONG64 a1, a2;
symt_get_address(sym1, &a1);
symt_get_address(sym2, &a2);
return cmp_addr(a1, a2);
}
#define BASE_CUSTOM_SYMT 0x80000000
/* dbghelp exposes the internal symbols/types with DWORD indexes.
* - custom symbols are always stored with index starting at BASE_CUSTOM_SYMT
* - for all the other (non custom) symbols:
* + on 32-bit machines, index is set to the actual address of symt
* + on 64-bit machines, the symt address is stored in a dedicated array
* which is exposed to the caller and index is the index of the symbol in
* this array
*/
DWORD symt_ptr2index(struct module* module, const struct symt* sym)
{
struct vector* vector;
DWORD offset;
const struct symt** c;
int len, i;
if (!sym) return 0;
if (sym->tag == SymTagCustom)
{
vector = &module->vcustom_symt;
offset = BASE_CUSTOM_SYMT;
}
else
{
#ifdef _WIN64
vector = &module->vsymt;
offset = 1;
#else
return (DWORD)sym;
#endif
}
len = vector_length(vector);
/* FIXME: this is inefficient */
for (i = 0; i < len; i++)
{
if (*(struct symt**)vector_at(vector, i) == sym)
return i + offset;
}
/* not found */
c = vector_add(vector, &module->pool);
if (c) *c = sym;
return len + offset;
}
struct symt* symt_index2ptr(struct module* module, DWORD id)
{
struct vector* vector;
if (id >= BASE_CUSTOM_SYMT)
{
id -= BASE_CUSTOM_SYMT;
vector = &module->vcustom_symt;
}
else
{
#ifdef _WIN64
if (!id--) return NULL;
vector = &module->vsymt;
#else
return (struct symt*)id;
#endif
}
return (id >= vector_length(vector)) ? NULL : *(struct symt**)vector_at(vector, id);
}
static BOOL symt_grow_sorttab(struct module* module, unsigned sz)
{
struct symt_ht** new;
unsigned int size;
if (sz <= module->sorttab_size) return TRUE;
if (module->addr_sorttab)
{
size = module->sorttab_size * 2;
new = HeapReAlloc(GetProcessHeap(), 0, module->addr_sorttab,
size * sizeof(struct symt_ht*));
}
else
{
size = 64;
new = HeapAlloc(GetProcessHeap(), 0, size * sizeof(struct symt_ht*));
}
if (!new) return FALSE;
module->sorttab_size = size;
module->addr_sorttab = new;
return TRUE;
}
static void symt_add_module_addr(struct module* module, struct symt_ht* ht)
{
ULONG64 addr;
/* Don't store in sorttab a symbol without address, they are of
* no use here (e.g. constant values)
*/
if (symt_get_address(&ht->symt, &addr) &&
symt_grow_sorttab(module, module->num_symbols + 1))
{
module->addr_sorttab[module->num_symbols++] = ht;
module->sortlist_valid = FALSE;
}
}
static void symt_add_module_ht(struct module* module, struct symt_ht* ht)
{
hash_table_add(&module->ht_symbols, &ht->hash_elt);
symt_add_module_addr(module, ht);
}
static WCHAR* file_regex(const char* srcfile)
{
WCHAR* mask;
WCHAR* p;
if (!srcfile || !*srcfile)
{
if (!(p = mask = HeapAlloc(GetProcessHeap(), 0, 3 * sizeof(WCHAR)))) return NULL;
*p++ = '?';
*p++ = '#';
}
else
{
DWORD sz = MultiByteToWideChar(CP_ACP, 0, srcfile, -1, NULL, 0);
WCHAR* srcfileW;
/* FIXME: we use here the largest conversion for every char... could be optimized */
p = mask = HeapAlloc(GetProcessHeap(), 0, (5 * strlen(srcfile) + 1 + sz) * sizeof(WCHAR));
if (!mask) return NULL;
srcfileW = mask + 5 * strlen(srcfile) + 1;
MultiByteToWideChar(CP_ACP, 0, srcfile, -1, srcfileW, sz);
while (*srcfileW)
{
switch (*srcfileW)
{
case '\\':
case '/':
*p++ = '[';
*p++ = '\\';
*p++ = '\\';
*p++ = '/';
*p++ = ']';
break;
case '.':
*p++ = '?';
break;
default:
*p++ = *srcfileW;
break;
}
srcfileW++;
}
}
*p = 0;
return mask;
}
struct symt_module* symt_new_module(struct module* module)
{
struct symt_module* sym;
TRACE_(dbghelp_symt)("Adding toplevel exe symbol %s\n", debugstr_w(module->modulename));
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagExe;
sym->module = module;
vector_init(&sym->vchildren, sizeof(struct symt*), 8);
}
return sym;
}
struct symt_compiland* symt_new_compiland(struct module* module, unsigned src_idx)
{
struct symt_compiland* sym;
struct symt_compiland** p;
TRACE_(dbghelp_symt)("Adding compiland symbol %s:%s\n",
debugstr_w(module->modulename), source_get(module, src_idx));
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagCompiland;
sym->container = module->top;
sym->address = 0;
sym->source = src_idx;
vector_init(&sym->vchildren, sizeof(struct symt*), 32);
sym->user = NULL;
p = vector_add(&module->top->vchildren, &module->pool);
*p = sym;
}
return sym;
}
struct symt_public* symt_new_public(struct module* module,
struct symt_compiland* compiland,
const char* name,
BOOL is_function,
ULONG_PTR address, unsigned size)
{
struct symt_public* sym;
struct symt** p;
TRACE_(dbghelp_symt)("Adding public symbol %s:%s @%Ix\n",
debugstr_w(module->modulename), name, address);
if ((dbghelp_options & SYMOPT_AUTO_PUBLICS) &&
symt_find_nearest(module, address) != NULL)
return NULL;
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagPublicSymbol;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->container = compiland ? &compiland->symt : NULL;
sym->is_function = is_function;
sym->address = address;
sym->size = size;
symt_add_module_ht(module, (struct symt_ht*)sym);
if (compiland)
{
p = vector_add(&compiland->vchildren, &module->pool);
*p = &sym->symt;
}
}
return sym;
}
struct symt_data* symt_new_global_variable(struct module* module,
struct symt_compiland* compiland,
const char* name, unsigned is_static,
struct location loc, ULONG_PTR size,
struct symt* type)
{
struct symt_data* sym;
struct symt** p;
DWORD64 tsz;
TRACE_(dbghelp_symt)("Adding global symbol %s:%s %d@%Ix %p\n",
debugstr_w(module->modulename), name, loc.kind, loc.offset, type);
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagData;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->kind = is_static ? DataIsFileStatic : DataIsGlobal;
sym->container = compiland ? &compiland->symt : &module->top->symt;
sym->type = type;
sym->u.var = loc;
if (type && size && symt_get_info(module, type, TI_GET_LENGTH, &tsz))
{
if (tsz != size)
FIXME("Size mismatch for %s.%s between type (%I64u) and src (%Iu)\n",
debugstr_w(module->modulename), name, tsz, size);
}
symt_add_module_ht(module, (struct symt_ht*)sym);
p = vector_add(compiland ? &compiland->vchildren : &module->top->vchildren, &module->pool);
*p = &sym->symt;
}
return sym;
}
static struct symt_function* init_function_or_inlinesite(struct module* module,
DWORD tag,
struct symt* container,
const char* name,
struct symt* sig_type,
unsigned num_ranges)
{
struct symt_function* sym;
assert(!sig_type || sig_type->tag == SymTagFunctionType);
if ((sym = pool_alloc(&module->pool, offsetof(struct symt_function, ranges[num_ranges]))))
{
sym->symt.tag = tag;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->container = container;
sym->type = sig_type;
vector_init(&sym->vlines, sizeof(struct line_info), 64);
vector_init(&sym->vchildren, sizeof(struct symt*), 8);
sym->num_ranges = num_ranges;
}
return sym;
}
struct symt_function* symt_new_function(struct module* module,
struct symt_compiland* compiland,
const char* name,
ULONG_PTR addr, ULONG_PTR size,
struct symt* sig_type)
{
struct symt_function* sym;
TRACE_(dbghelp_symt)("Adding global function %s:%s @%Ix-%Ix\n",
debugstr_w(module->modulename), name, addr, addr + size - 1);
if ((sym = init_function_or_inlinesite(module, SymTagFunction, &compiland->symt, name, sig_type, 1)))
{
struct symt** p;
sym->ranges[0].low = addr;
sym->ranges[0].high = addr + size;
sym->next_inlinesite = NULL; /* first of list */
symt_add_module_ht(module, (struct symt_ht*)sym);
if (compiland)
{
p = vector_add(&compiland->vchildren, &module->pool);
*p = &sym->symt;
}
}
return sym;
}
struct symt_function* symt_new_inlinesite(struct module* module,
struct symt_function* func,
struct symt* container,
const char* name,
struct symt* sig_type,
unsigned num_ranges)
{
struct symt_function* sym;
TRACE_(dbghelp_symt)("Adding inline site %s\n", name);
if ((sym = init_function_or_inlinesite(module, SymTagInlineSite, container, name, sig_type, num_ranges)))
{
struct symt** p;
assert(container);
/* chain inline sites */
sym->next_inlinesite = func->next_inlinesite;
func->next_inlinesite = sym;
if (container->tag == SymTagFunction || container->tag == SymTagInlineSite)
p = vector_add(&((struct symt_function*)container)->vchildren, &module->pool);
else
{
assert(container->tag == SymTagBlock);
p = vector_add(&((struct symt_block*)container)->vchildren, &module->pool);
}
*p = &sym->symt;
}
return sym;
}
void symt_add_func_line(struct module* module, struct symt_function* func,
unsigned source_idx, int line_num, ULONG_PTR addr)
{
struct line_info* dli;
unsigned vlen;
struct line_info* prev;
BOOL last_matches = FALSE;
int i;
if (func == NULL || !(dbghelp_options & SYMOPT_LOAD_LINES)) return;
TRACE_(dbghelp_symt)("(%p)%s:%Ix %s:%u\n",
func, func->hash_elt.name, addr,
source_get(module, source_idx), line_num);
assert(func->symt.tag == SymTagFunction || func->symt.tag == SymTagInlineSite);
for (i=vector_length(&func->vlines)-1; i>=0; i--)
{
dli = vector_at(&func->vlines, i);
if (dli->is_source_file)
{
last_matches = (source_idx == dli->u.source_file);
break;
}
}
vlen = vector_length(&func->vlines);
prev = vlen ? vector_at(&func->vlines, vlen - 1) : NULL;
if (last_matches && prev && addr == prev->u.address)
{
WARN("Duplicate addition of line number in %s\n", func->hash_elt.name);
return;
}
if (!last_matches)
{
/* we shouldn't have line changes on first line of function */
dli = vector_add(&func->vlines, &module->pool);
dli->is_source_file = 1;
dli->is_first = (prev == NULL);
dli->is_last = 0;
dli->line_number = 0;
dli->u.source_file = source_idx;
}
/* clear previous last */
if (prev) prev->is_last = 0;
dli = vector_add(&func->vlines, &module->pool);
dli->is_source_file = 0;
dli->is_first = 0; /* only a source file can be first */
dli->is_last = 1;
dli->line_number = line_num;
dli->u.address = addr;
}
/******************************************************************
* symt_add_func_local
*
* Adds a new local/parameter to a given function:
* In any cases, dt tells whether it's a local variable or a parameter
* or a static variable inside the function.
* If regno it's not 0:
* - then variable is stored in a register
* - otherwise, value is referenced by register + offset
* Otherwise, the variable is stored on the stack:
* - offset is then the offset from the frame register
*/
struct symt_data* symt_add_func_local(struct module* module,
struct symt_function* func,
enum DataKind dt,
const struct location* loc,
struct symt_block* block,
struct symt* type, const char* name)
{
struct symt_data* locsym;
struct symt** p;
TRACE_(dbghelp_symt)("Adding local symbol (%s:%s): %s %p\n",
debugstr_w(module->modulename), func->hash_elt.name,
name, type);
assert(symt_check_tag(&func->symt, SymTagFunction) || symt_check_tag(&func->symt, SymTagInlineSite));
assert(dt == DataIsParam || dt == DataIsLocal || dt == DataIsStaticLocal);
locsym = pool_alloc(&module->pool, sizeof(*locsym));
locsym->symt.tag = SymTagData;
locsym->hash_elt.name = pool_strdup(&module->pool, name);
locsym->hash_elt.next = NULL;
locsym->kind = dt;
locsym->container = block ? &block->symt : &func->symt;
locsym->type = type;
locsym->u.var = *loc;
if (block)
p = vector_add(&block->vchildren, &module->pool);
else
p = vector_add(&func->vchildren, &module->pool);
*p = &locsym->symt;
if (dt == DataIsStaticLocal)
symt_add_module_addr(module, (struct symt_ht*)locsym);
return locsym;
}
/******************************************************************
* symt_add_func_local
*
* Adds a new (local) constant to a given function
*/
struct symt_data* symt_add_func_constant(struct module* module,
struct symt_function* func,
struct symt_block* block,
struct symt* type, const char* name,
VARIANT* v)
{
struct symt_data* locsym;
struct symt** p;
TRACE_(dbghelp_symt)("Adding local constant (%s:%s): %s %p\n",
debugstr_w(module->modulename), func->hash_elt.name,
name, type);
assert(symt_check_tag(&func->symt, SymTagFunction) || symt_check_tag(&func->symt, SymTagInlineSite));
locsym = pool_alloc(&module->pool, sizeof(*locsym));
locsym->symt.tag = SymTagData;
locsym->hash_elt.name = pool_strdup(&module->pool, name);
locsym->hash_elt.next = NULL;
locsym->kind = DataIsConstant;
locsym->container = block ? &block->symt : &func->symt;
locsym->type = type;
locsym->u.value = *v;
if (block)
p = vector_add(&block->vchildren, &module->pool);
else
p = vector_add(&func->vchildren, &module->pool);
*p = &locsym->symt;
return locsym;
}
struct symt_block* symt_open_func_block(struct module* module,
struct symt_function* func,
struct symt_block* parent_block,
unsigned num_ranges)
{
struct symt_block* block;
struct symt** p;
assert(symt_check_tag(&func->symt, SymTagFunction) || symt_check_tag(&func->symt, SymTagInlineSite));
assert(num_ranges > 0);
assert(!parent_block || parent_block->symt.tag == SymTagBlock);
block = pool_alloc(&module->pool, offsetof(struct symt_block, ranges[num_ranges]));
block->symt.tag = SymTagBlock;
block->num_ranges = num_ranges;
block->container = parent_block ? &parent_block->symt : &func->symt;
vector_init(&block->vchildren, sizeof(struct symt*), 4);
if (parent_block)
p = vector_add(&parent_block->vchildren, &module->pool);
else
p = vector_add(&func->vchildren, &module->pool);
*p = &block->symt;
return block;
}
struct symt_block* symt_close_func_block(struct module* module,
const struct symt_function* func,
struct symt_block* block)
{
assert(symt_check_tag(&func->symt, SymTagFunction) || symt_check_tag(&func->symt, SymTagInlineSite));
return (block->container->tag == SymTagBlock) ?
CONTAINING_RECORD(block->container, struct symt_block, symt) : NULL;
}
struct symt_hierarchy_point* symt_add_function_point(struct module* module,
struct symt_function* func,
enum SymTagEnum point,
const struct location* loc,
const char* name)
{
struct symt_hierarchy_point*sym;
struct symt** p;
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = point;
sym->parent = &func->symt;
sym->loc = *loc;
sym->hash_elt.name = name ? pool_strdup(&module->pool, name) : NULL;
p = vector_add(&func->vchildren, &module->pool);
*p = &sym->symt;
}
return sym;
}
struct symt_thunk* symt_new_thunk(struct module* module,
struct symt_compiland* compiland,
const char* name, THUNK_ORDINAL ord,
ULONG_PTR addr, ULONG_PTR size)
{
struct symt_thunk* sym;
TRACE_(dbghelp_symt)("Adding global thunk %s:%s @%Ix-%Ix\n",
debugstr_w(module->modulename), name, addr, addr + size - 1);
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagThunk;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->container = &compiland->symt;
sym->address = addr;
sym->size = size;
sym->ordinal = ord;
symt_add_module_ht(module, (struct symt_ht*)sym);
if (compiland)
{
struct symt** p;
p = vector_add(&compiland->vchildren, &module->pool);
*p = &sym->symt;
}
}
return sym;
}
struct symt_data* symt_new_constant(struct module* module,
struct symt_compiland* compiland,
const char* name, struct symt* type,
const VARIANT* v)
{
struct symt_data* sym;
TRACE_(dbghelp_symt)("Adding constant value %s:%s\n",
debugstr_w(module->modulename), name);
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagData;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->kind = DataIsConstant;
sym->container = compiland ? &compiland->symt : &module->top->symt;
sym->type = type;
sym->u.value = *v;
symt_add_module_ht(module, (struct symt_ht*)sym);
if (compiland)
{
struct symt** p;
p = vector_add(&compiland->vchildren, &module->pool);
*p = &sym->symt;
}
}
return sym;
}
struct symt_hierarchy_point* symt_new_label(struct module* module,
struct symt_compiland* compiland,
const char* name, ULONG_PTR address)
{
struct symt_hierarchy_point* sym;
TRACE_(dbghelp_symt)("Adding global label value %s:%s\n",
debugstr_w(module->modulename), name);
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagLabel;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->loc.kind = loc_absolute;
sym->loc.offset = address;
sym->parent = compiland ? &compiland->symt : NULL;
symt_add_module_ht(module, (struct symt_ht*)sym);
if (compiland)
{
struct symt** p;
p = vector_add(&compiland->vchildren, &module->pool);
*p = &sym->symt;
}
}
return sym;
}
struct symt_custom* symt_new_custom(struct module* module, const char* name,
DWORD64 addr, DWORD size)
{
struct symt_custom* sym;
TRACE_(dbghelp_symt)("Adding custom symbol %s:%s\n",
debugstr_w(module->modulename), name);
if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagCustom;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->address = addr;
sym->size = size;
symt_add_module_ht(module, (struct symt_ht*)sym);
}
return sym;
}
/* expect sym_info->MaxNameLen to be set before being called */
static void symt_fill_sym_info(struct module_pair* pair,
const struct symt_function* func,
const struct symt* sym, SYMBOL_INFO* sym_info)
{
const char* name;
DWORD64 size;
char* tmp;
if (!symt_get_info(pair->effective, sym, TI_GET_TYPE, &sym_info->TypeIndex))
sym_info->TypeIndex = 0;
sym_info->Index = symt_ptr2index(pair->effective, sym);
sym_info->Reserved[0] = sym_info->Reserved[1] = 0;
if (!symt_get_info(pair->effective, sym, TI_GET_LENGTH, &size) &&
(!sym_info->TypeIndex ||
!symt_get_info(pair->effective, symt_index2ptr(pair->effective, sym_info->TypeIndex),
TI_GET_LENGTH, &size)))
size = 0;
sym_info->Size = (DWORD)size;
sym_info->ModBase = pair->requested->module.BaseOfImage;
sym_info->Flags = 0;
sym_info->Value = 0;
switch (sym->tag)
{
case SymTagData:
{
const struct symt_data* data = (const struct symt_data*)sym;
switch (data->kind)
{
case DataIsParam:
sym_info->Flags |= SYMFLAG_PARAMETER;
/* fall through */
case DataIsLocal:
sym_info->Flags |= SYMFLAG_LOCAL;
{
struct location loc = data->u.var;
if (loc.kind >= loc_user)
{
unsigned i;
struct module_format* modfmt;
for (i = 0; i < DFI_LAST; i++)
{
modfmt = pair->effective->format_info[i];
if (modfmt && modfmt->loc_compute)
{
modfmt->loc_compute(pair->pcs, modfmt, func, &loc);
break;
}
}
}
switch (loc.kind)
{
case loc_error:
/* for now we report error cases as a negative register number */
/* fall through */
case loc_register:
sym_info->Flags |= SYMFLAG_REGISTER;
sym_info->Register = loc.reg;
sym_info->Address = 0;
break;
case loc_regrel:
sym_info->Flags |= SYMFLAG_REGREL;
sym_info->Register = loc.reg;
if (loc.reg == CV_REG_NONE || (int)loc.reg < 0 /* error */)
FIXME("suspicious register value %x\n", loc.reg);
sym_info->Address = loc.offset;
break;
case loc_absolute:
sym_info->Flags |= SYMFLAG_VALUEPRESENT;
sym_info->Value = loc.offset;
break;
default:
FIXME("Shouldn't happen (kind=%d), debug reader backend is broken\n", loc.kind);
assert(0);
}
}
break;
case DataIsGlobal:
case DataIsFileStatic:
case DataIsStaticLocal:
switch (data->u.var.kind)
{
case loc_tlsrel:
sym_info->Flags |= SYMFLAG_TLSREL;
/* fall through */
case loc_absolute:
symt_get_address(sym, &sym_info->Address);
sym_info->Register = 0;
break;
default:
FIXME("Shouldn't happen (kind=%d), debug reader backend is broken\n", data->u.var.kind);
assert(0);
}
break;
case DataIsConstant:
sym_info->Flags |= SYMFLAG_VALUEPRESENT;
if (data->container &&
(data->container->tag == SymTagFunction || data->container->tag == SymTagBlock))
sym_info->Flags |= SYMFLAG_LOCAL;
switch (V_VT(&data->u.value))
{
case VT_I8: sym_info->Value = (LONG64)V_I8(&data->u.value); break;
case VT_I4: sym_info->Value = (LONG64)V_I4(&data->u.value); break;
case VT_I2: sym_info->Value = (LONG64)V_I2(&data->u.value); break;
case VT_I1: sym_info->Value = (LONG64)V_I1(&data->u.value); break;
case VT_UINT:sym_info->Value = V_UINT(&data->u.value); break;
case VT_UI8: sym_info->Value = V_UI8(&data->u.value); break;
case VT_UI4: sym_info->Value = V_UI4(&data->u.value); break;
case VT_UI2: sym_info->Value = V_UI2(&data->u.value); break;
case VT_UI1: sym_info->Value = V_UI1(&data->u.value); break;
case VT_BYREF: sym_info->Value = (DWORD_PTR)V_BYREF(&data->u.value); break;
case VT_EMPTY: sym_info->Value = 0; break;
default:
FIXME("Unsupported variant type (%u)\n", V_VT(&data->u.value));
sym_info->Value = 0;
break;
}
break;
default:
FIXME("Unhandled kind (%u) in sym data\n", data->kind);
}
}
break;
case SymTagPublicSymbol:
{
const struct symt_public* pub = (const struct symt_public*)sym;
if (pub->is_function)
sym_info->Flags |= SYMFLAG_PUBLIC_CODE;
else
sym_info->Flags |= SYMFLAG_EXPORT;
symt_get_address(sym, &sym_info->Address);
}
break;
case SymTagFunction:
case SymTagInlineSite:
symt_get_address(sym, &sym_info->Address);
break;
case SymTagThunk:
sym_info->Flags |= SYMFLAG_THUNK;
symt_get_address(sym, &sym_info->Address);
break;
case SymTagCustom:
symt_get_address(sym, &sym_info->Address);
sym_info->Flags |= SYMFLAG_VIRTUAL;
break;
default:
symt_get_address(sym, &sym_info->Address);
sym_info->Register = 0;
break;
}
sym_info->Scope = 0; /* FIXME */
sym_info->Tag = sym->tag;
name = symt_get_name(sym);
if (sym_info->MaxNameLen &&
sym->tag == SymTagPublicSymbol && (dbghelp_options & SYMOPT_UNDNAME) &&
(tmp = __unDName(NULL, name, 0, malloc, free, UNDNAME_NAME_ONLY)) != NULL)
{
symbol_setname(sym_info, tmp);
free(tmp);
}
else
symbol_setname(sym_info, name);
TRACE_(dbghelp_symt)("%p => %s %lu %I64x\n",
sym, sym_info->Name, sym_info->Size, sym_info->Address);
}
struct sym_enum
{
PSYM_ENUMERATESYMBOLS_CALLBACK cb;
PVOID user;
SYMBOL_INFO* sym_info;
DWORD index;
DWORD tag;
DWORD64 addr;
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
};
static BOOL send_symbol(const struct sym_enum* se, struct module_pair* pair,
const struct symt_function* func, const struct symt* sym)
{
symt_fill_sym_info(pair, func, sym, se->sym_info);
if (se->index && se->sym_info->Index != se->index) return FALSE;
if (se->tag && se->sym_info->Tag != se->tag) return FALSE;
if (se->addr && !(se->addr >= se->sym_info->Address && se->addr < se->sym_info->Address + se->sym_info->Size)) return FALSE;
return !se->cb(se->sym_info, se->sym_info->Size, se->user);
}
static BOOL symt_enum_module(struct module_pair* pair, const WCHAR* match,
const struct sym_enum* se)
{
void* ptr;
struct symt_ht* sym = NULL;
struct hash_table_iter hti;
WCHAR* nameW;
BOOL ret;
hash_table_iter_init(&pair->effective->ht_symbols, &hti, NULL);
while ((ptr = hash_table_iter_up(&hti)))
{
sym = CONTAINING_RECORD(ptr, struct symt_ht, hash_elt);
nameW = symt_get_nameW(&sym->symt);
ret = SymMatchStringW(nameW, match, FALSE);
HeapFree(GetProcessHeap(), 0, nameW);
if (ret)
{
se->sym_info->SizeOfStruct = sizeof(SYMBOL_INFO);
se->sym_info->MaxNameLen = sizeof(se->buffer) - sizeof(SYMBOL_INFO);
if (send_symbol(se, pair, NULL, &sym->symt)) return TRUE;
}
}
return FALSE;
}
static inline unsigned where_to_insert(struct module* module, unsigned high, const struct symt_ht* elt)
{
unsigned low = 0, mid = high / 2;
ULONG64 addr;
if (!high) return 0;
symt_get_address(&elt->symt, &addr);
do
{
switch (cmp_sorttab_addr(module, mid, addr))
{
case 0: return mid;
case -1: low = mid + 1; break;
case 1: high = mid; break;
}
mid = low + (high - low) / 2;
} while (low < high);
return mid;
}
/***********************************************************************
* resort_symbols
*
* Rebuild sorted list of symbols for a module.
*/
static BOOL resort_symbols(struct module* module)
{
int delta;
if (!(module->module.NumSyms = module->num_symbols))
return FALSE;
/* we know that set from 0 up to num_sorttab is already sorted
* so sort the remaining (new) symbols, and merge the two sets
* (unless the first set is empty)
*/
delta = module->num_symbols - module->num_sorttab;
qsort(&module->addr_sorttab[module->num_sorttab], delta, sizeof(struct symt_ht*), symt_cmp_addr);
if (module->num_sorttab)
{
int i, ins_idx = module->num_sorttab, prev_ins_idx;
static struct symt_ht** tmp;
static unsigned num_tmp;
if (num_tmp < delta)
{
static struct symt_ht** new;
if (tmp)
new = HeapReAlloc(GetProcessHeap(), 0, tmp, delta * sizeof(struct symt_ht*));
else
new = HeapAlloc(GetProcessHeap(), 0, delta * sizeof(struct symt_ht*));
if (!new)
{
module->num_sorttab = 0;
return resort_symbols(module);
}
tmp = new;
num_tmp = delta;
}
memcpy(tmp, &module->addr_sorttab[module->num_sorttab], delta * sizeof(struct symt_ht*));
qsort(tmp, delta, sizeof(struct symt_ht*), symt_cmp_addr);
for (i = delta - 1; i >= 0; i--)
{
prev_ins_idx = ins_idx;
ins_idx = where_to_insert(module, ins_idx, tmp[i]);
memmove(&module->addr_sorttab[ins_idx + i + 1],
&module->addr_sorttab[ins_idx],
(prev_ins_idx - ins_idx) * sizeof(struct symt_ht*));
module->addr_sorttab[ins_idx + i] = tmp[i];
}
}
module->num_sorttab = module->num_symbols;
return module->sortlist_valid = TRUE;
}
static void symt_get_length(struct module* module, const struct symt* symt, ULONG64* size)
{
DWORD type_index;
if (symt_get_info(module, symt, TI_GET_LENGTH, size) && *size)
return;
if (symt_get_info(module, symt, TI_GET_TYPE, &type_index) &&
symt_get_info(module, symt_index2ptr(module, type_index), TI_GET_LENGTH, size)) return;
*size = 1; /* no size info */
}
/* needed by symt_find_nearest */
static int symt_get_best_at(struct module* module, int idx_sorttab)
{
ULONG64 ref_addr;
int idx_sorttab_orig = idx_sorttab;
if (module->addr_sorttab[idx_sorttab]->symt.tag == SymTagPublicSymbol)
{
symt_get_address(&module->addr_sorttab[idx_sorttab]->symt, &ref_addr);
while (idx_sorttab > 0 &&
module->addr_sorttab[idx_sorttab]->symt.tag == SymTagPublicSymbol &&
!cmp_sorttab_addr(module, idx_sorttab - 1, ref_addr))
idx_sorttab--;
if (module->addr_sorttab[idx_sorttab]->symt.tag == SymTagPublicSymbol)
{
idx_sorttab = idx_sorttab_orig;
while (idx_sorttab < module->num_sorttab - 1 &&
module->addr_sorttab[idx_sorttab]->symt.tag == SymTagPublicSymbol &&
!cmp_sorttab_addr(module, idx_sorttab + 1, ref_addr))
idx_sorttab++;
}
/* if no better symbol was found restore the original */
if (module->addr_sorttab[idx_sorttab]->symt.tag == SymTagPublicSymbol)
idx_sorttab = idx_sorttab_orig;
}
return idx_sorttab;
}
/* assume addr is in module */
struct symt_ht* symt_find_nearest(struct module* module, DWORD_PTR addr)
{
int mid, high, low;
ULONG64 ref_addr, ref_size;
if (!module->sortlist_valid || !module->addr_sorttab)
{
if (!resort_symbols(module)) return NULL;
}
/*
* Binary search to find closest symbol.
*/
low = 0;
high = module->num_sorttab;
symt_get_address(&module->addr_sorttab[0]->symt, &ref_addr);
if (addr < ref_addr) return NULL;
if (high)
{
symt_get_address(&module->addr_sorttab[high - 1]->symt, &ref_addr);
symt_get_length(module, &module->addr_sorttab[high - 1]->symt, &ref_size);
if (addr >= ref_addr + ref_size) return NULL;
}
while (high > low + 1)
{
mid = (high + low) / 2;
if (cmp_sorttab_addr(module, mid, addr) < 0)
low = mid;
else
high = mid;
}
if (low != high && high != module->num_sorttab &&
cmp_sorttab_addr(module, high, addr) <= 0)
low = high;
/* If found symbol is a public symbol, check if there are any other entries that
* might also have the same address, but would get better information
*/
low = symt_get_best_at(module, low);
return module->addr_sorttab[low];
}
struct symt_ht* symt_find_symbol_at(struct module* module, DWORD_PTR addr)
{
struct symt_ht* nearest = symt_find_nearest(module, addr);
if (nearest)
{
ULONG64 symaddr, symsize;
symt_get_address(&nearest->symt, &symaddr);
symt_get_length(module, &nearest->symt, &symsize);
if (addr < symaddr || addr >= symaddr + symsize)
nearest = NULL;
}
return nearest;
}
static BOOL symt_enum_locals_helper(struct module_pair* pair,
const WCHAR* match, const struct sym_enum* se,
struct symt_function* func, const struct vector* v)
{
struct symt* lsym = NULL;
DWORD_PTR pc = pair->pcs->localscope_pc;
unsigned int i;
WCHAR* nameW;
BOOL ret;
for (i=0; i<vector_length(v); i++)
{
lsym = *(struct symt**)vector_at(v, i);
switch (lsym->tag)
{
case SymTagBlock:
{
struct symt_block* block = (struct symt_block*)lsym;
unsigned j;
for (j = 0; j < block->num_ranges; j++)
{
if (pc >= block->ranges[j].low && pc < block->ranges[j].high)
{
if (!symt_enum_locals_helper(pair, match, se, func, &block->vchildren))
return FALSE;
}
}
}
break;
case SymTagData:
nameW = symt_get_nameW(lsym);
ret = SymMatchStringW(nameW, match,
!(dbghelp_options & SYMOPT_CASE_INSENSITIVE));
HeapFree(GetProcessHeap(), 0, nameW);
if (ret)
{
if (send_symbol(se, pair, func, lsym)) return FALSE;
}
break;
case SymTagLabel:
case SymTagFuncDebugStart:
case SymTagFuncDebugEnd:
case SymTagCustom:
case SymTagInlineSite:
break;
default:
FIXME("Unknown type: %u (%x)\n", lsym->tag, lsym->tag);
assert(0);
}
}
return TRUE;
}
static BOOL symt_enum_locals(struct process* pcs, const WCHAR* mask,
const struct sym_enum* se)
{
struct module_pair pair;
se->sym_info->SizeOfStruct = sizeof(*se->sym_info);
se->sym_info->MaxNameLen = sizeof(se->buffer) - sizeof(SYMBOL_INFO);
pair.pcs = pcs;
pair.requested = module_find_by_addr(pair.pcs, pcs->localscope_pc, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
if (symt_check_tag(pcs->localscope_symt, SymTagFunction) ||
symt_check_tag(pcs->localscope_symt, SymTagInlineSite))
{
struct symt_function* func = (struct symt_function*)pcs->localscope_symt;
return symt_enum_locals_helper(&pair, mask ? mask : L"*", se, func, &func->vchildren);
}
return FALSE;
}
/**********************************************************
* symbol_setname
*
* Properly sets Name and NameLen in SYMBOL_INFO
* according to MaxNameLen value
*/
void symbol_setname(SYMBOL_INFO* sym_info, const char* name)
{
SIZE_T len = 0;
if (name)
{
sym_info->NameLen = strlen(name);
if (sym_info->MaxNameLen)
{
len = min(sym_info->NameLen, sym_info->MaxNameLen - 1);
memcpy(sym_info->Name, name, len);
}
}
else
sym_info->NameLen = 0;
sym_info->Name[len] = '\0';
}
/******************************************************************
* copy_symbolW
*
* Helper for transforming an ANSI symbol info into a UNICODE one.
* Assume that MaxNameLen is the same for both version (A & W).
*/
void copy_symbolW(SYMBOL_INFOW* siw, const SYMBOL_INFO* si)
{
siw->SizeOfStruct = si->SizeOfStruct;
siw->TypeIndex = si->TypeIndex;
siw->Reserved[0] = si->Reserved[0];
siw->Reserved[1] = si->Reserved[1];
siw->Index = si->Index;
siw->Size = si->Size;
siw->ModBase = si->ModBase;
siw->Flags = si->Flags;
siw->Value = si->Value;
siw->Address = si->Address;
siw->Register = si->Register;
siw->Scope = si->Scope;
siw->Tag = si->Tag;
siw->NameLen = si->NameLen;
siw->MaxNameLen = si->MaxNameLen;
MultiByteToWideChar(CP_ACP, 0, si->Name, -1, siw->Name, siw->MaxNameLen);
}
/* return the lowest inline site inside a function */
struct symt_function* symt_find_lowest_inlined(struct symt_function* func, DWORD64 addr)
{
struct symt_function* current;
int i;
assert(func->symt.tag == SymTagFunction);
for (current = func->next_inlinesite; current; current = current->next_inlinesite)
{
for (i = 0; i < current->num_ranges; ++i)
{
/* first matching range gives the lowest inline site; see dbghelp_private.h for details */
if (current->ranges[i].low <= addr && addr < current->ranges[i].high)
return current;
}
}
return NULL;
}
/* from an inline function, get either the enclosing inlined function, or the top function when no inlined */
struct symt* symt_get_upper_inlined(struct symt_function* inlined)
{
struct symt* symt = &inlined->symt;
do
{
assert(symt);
if (symt->tag == SymTagBlock)
symt = ((struct symt_block*)symt)->container;
else
symt = ((struct symt_function*)symt)->container;
} while (symt->tag == SymTagBlock);
assert(symt->tag == SymTagFunction || symt->tag == SymTagInlineSite);
return symt;
}
/* lookup in module for an inline site (from addr and inline_ctx) */
struct symt_function* symt_find_inlined_site(struct module* module, DWORD64 addr, DWORD inline_ctx)
{
struct symt_ht* symt = symt_find_symbol_at(module, addr);
if (symt_check_tag(&symt->symt, SymTagFunction))
{
struct symt_function* func = (struct symt_function*)symt;
struct symt_function* curr = symt_find_lowest_inlined(func, addr);
DWORD depth = IFC_DEPTH(inline_ctx);
if (curr)
for ( ; curr != func; curr = (struct symt_function*)symt_get_upper_inlined(curr))
if (depth-- == 0) return curr;
}
return NULL;
}
/******************************************************************
* sym_enum
*
* Core routine for most of the enumeration of symbols
*/
static BOOL sym_enum(HANDLE hProcess, ULONG64 BaseOfDll, PCWSTR Mask,
const struct sym_enum* se)
{
struct module_pair pair;
const WCHAR* bang;
WCHAR* mod;
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
if (BaseOfDll == 0)
{
/* do local variables ? */
if (!Mask || !(bang = wcschr(Mask, '!')))
return symt_enum_locals(pair.pcs, Mask, se);
if (bang == Mask) return FALSE;
mod = HeapAlloc(GetProcessHeap(), 0, (bang - Mask + 1) * sizeof(WCHAR));
if (!mod) return FALSE;
memcpy(mod, Mask, (bang - Mask) * sizeof(WCHAR));
mod[bang - Mask] = 0;
for (pair.requested = pair.pcs->lmodules; pair.requested; pair.requested = pair.requested->next)
{
if (pair.requested->type == DMT_PE && module_get_debug(&pair))
{
if (SymMatchStringW(pair.requested->modulename, mod, FALSE) &&
symt_enum_module(&pair, bang + 1, se))
break;
}
}
/* not found in PE modules, retry on the ELF ones
*/
if (!pair.requested && dbghelp_opt_native)
{
for (pair.requested = pair.pcs->lmodules; pair.requested; pair.requested = pair.requested->next)
{
if ((pair.requested->type == DMT_ELF || pair.requested->type == DMT_MACHO) &&
!module_get_containee(pair.pcs, pair.requested) &&
module_get_debug(&pair))
{
if (SymMatchStringW(pair.requested->modulename, mod, FALSE) &&
symt_enum_module(&pair, bang + 1, se))
break;
}
}
}
HeapFree(GetProcessHeap(), 0, mod);
return TRUE;
}
pair.requested = module_find_by_addr(pair.pcs, BaseOfDll, DMT_UNKNOWN);
if (!module_get_debug(&pair))
return FALSE;
/* we always ignore module name from Mask when BaseOfDll is defined */
if (Mask && (bang = wcschr(Mask, '!')))
{
if (bang == Mask) return FALSE;
Mask = bang + 1;
}
symt_enum_module(&pair, Mask ? Mask : L"*", se);
return TRUE;
}
static inline BOOL doSymEnumSymbols(HANDLE hProcess, ULONG64 BaseOfDll, PCWSTR Mask,
PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
PVOID UserContext)
{
struct sym_enum se;
se.cb = EnumSymbolsCallback;
se.user = UserContext;
se.index = 0;
se.tag = 0;
se.addr = 0;
se.sym_info = (PSYMBOL_INFO)se.buffer;
return sym_enum(hProcess, BaseOfDll, Mask, &se);
}
/******************************************************************
* SymEnumSymbols (DBGHELP.@)
*
* cases BaseOfDll = 0
* !foo fails always (despite what MSDN states)
* RE1!RE2 looks up all modules matching RE1, and in all these modules, lookup RE2
* no ! in Mask, lookup in local Context
* cases BaseOfDll != 0
* !foo fails always (despite what MSDN states)
* RE1!RE2 gets RE2 from BaseOfDll (whatever RE1 is)
*/
BOOL WINAPI SymEnumSymbols(HANDLE hProcess, ULONG64 BaseOfDll, PCSTR Mask,
PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
PVOID UserContext)
{
BOOL ret;
PWSTR maskW = NULL;
TRACE("(%p %I64x %s %p %p)\n",
hProcess, BaseOfDll, debugstr_a(Mask), EnumSymbolsCallback, UserContext);
if (Mask)
{
DWORD sz = MultiByteToWideChar(CP_ACP, 0, Mask, -1, NULL, 0);
if (!(maskW = HeapAlloc(GetProcessHeap(), 0, sz * sizeof(WCHAR))))
return FALSE;
MultiByteToWideChar(CP_ACP, 0, Mask, -1, maskW, sz);
}
ret = doSymEnumSymbols(hProcess, BaseOfDll, maskW, EnumSymbolsCallback, UserContext);
HeapFree(GetProcessHeap(), 0, maskW);
return ret;
}
struct sym_enumW
{
PSYM_ENUMERATESYMBOLS_CALLBACKW cb;
void* ctx;
PSYMBOL_INFOW sym_info;
char buffer[sizeof(SYMBOL_INFOW) + MAX_SYM_NAME * sizeof(WCHAR)];
};
static BOOL CALLBACK sym_enumW(PSYMBOL_INFO si, ULONG size, PVOID ctx)
{
struct sym_enumW* sew = ctx;
copy_symbolW(sew->sym_info, si);
return (sew->cb)(sew->sym_info, size, sew->ctx);
}
/******************************************************************
* SymEnumSymbolsW (DBGHELP.@)
*
*/
BOOL WINAPI SymEnumSymbolsW(HANDLE hProcess, ULONG64 BaseOfDll, PCWSTR Mask,
PSYM_ENUMERATESYMBOLS_CALLBACKW EnumSymbolsCallback,
PVOID UserContext)
{
struct sym_enumW sew;
sew.ctx = UserContext;
sew.cb = EnumSymbolsCallback;
sew.sym_info = (PSYMBOL_INFOW)sew.buffer;
return doSymEnumSymbols(hProcess, BaseOfDll, Mask, sym_enumW, &sew);
}
struct sym_enumerate
{
void* ctx;
PSYM_ENUMSYMBOLS_CALLBACK cb;
};
static BOOL CALLBACK sym_enumerate_cb(PSYMBOL_INFO syminfo, ULONG size, void* ctx)
{
struct sym_enumerate* se = ctx;
return (se->cb)(syminfo->Name, syminfo->Address, syminfo->Size, se->ctx);
}
/***********************************************************************
* SymEnumerateSymbols (DBGHELP.@)
*/
BOOL WINAPI SymEnumerateSymbols(HANDLE hProcess, DWORD BaseOfDll,
PSYM_ENUMSYMBOLS_CALLBACK EnumSymbolsCallback,
PVOID UserContext)
{
struct sym_enumerate se;
se.ctx = UserContext;
se.cb = EnumSymbolsCallback;
return SymEnumSymbols(hProcess, BaseOfDll, NULL, sym_enumerate_cb, &se);
}
struct sym_enumerate64
{
void* ctx;
PSYM_ENUMSYMBOLS_CALLBACK64 cb;
};
static BOOL CALLBACK sym_enumerate_cb64(PSYMBOL_INFO syminfo, ULONG size, void* ctx)
{
struct sym_enumerate64* se = ctx;
return (se->cb)(syminfo->Name, syminfo->Address, syminfo->Size, se->ctx);
}
/***********************************************************************
* SymEnumerateSymbols64 (DBGHELP.@)
*/
BOOL WINAPI SymEnumerateSymbols64(HANDLE hProcess, DWORD64 BaseOfDll,
PSYM_ENUMSYMBOLS_CALLBACK64 EnumSymbolsCallback,
PVOID UserContext)
{
struct sym_enumerate64 se;
se.ctx = UserContext;
se.cb = EnumSymbolsCallback;
return SymEnumSymbols(hProcess, BaseOfDll, NULL, sym_enumerate_cb64, &se);
}
/******************************************************************
* SymFromAddr (DBGHELP.@)
*
*/
BOOL WINAPI SymFromAddr(HANDLE hProcess, DWORD64 Address,
DWORD64* Displacement, PSYMBOL_INFO Symbol)
{
struct module_pair pair;
struct symt_ht* sym;
if (!module_init_pair(&pair, hProcess, Address)) return FALSE;
if ((sym = symt_find_symbol_at(pair.effective, Address)) == NULL) return FALSE;
symt_fill_sym_info(&pair, NULL, &sym->symt, Symbol);
if (Displacement)
*Displacement = (Address >= Symbol->Address) ? (Address - Symbol->Address) : (DWORD64)-1;
return TRUE;
}
/******************************************************************
* SymFromAddrW (DBGHELP.@)
*
*/
BOOL WINAPI SymFromAddrW(HANDLE hProcess, DWORD64 Address,
DWORD64* Displacement, PSYMBOL_INFOW Symbol)
{
PSYMBOL_INFO si;
unsigned len;
BOOL ret;
len = sizeof(*si) + Symbol->MaxNameLen * sizeof(WCHAR);
si = HeapAlloc(GetProcessHeap(), 0, len);
if (!si) return FALSE;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = Symbol->MaxNameLen;
if ((ret = SymFromAddr(hProcess, Address, Displacement, si)))
{
copy_symbolW(Symbol, si);
}
HeapFree(GetProcessHeap(), 0, si);
return ret;
}
/******************************************************************
* SymGetSymFromAddr (DBGHELP.@)
*
*/
BOOL WINAPI SymGetSymFromAddr(HANDLE hProcess, DWORD Address,
PDWORD Displacement, PIMAGEHLP_SYMBOL Symbol)
{
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
size_t len;
DWORD64 Displacement64;
if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = MAX_SYM_NAME;
if (!SymFromAddr(hProcess, Address, &Displacement64, si))
return FALSE;
if (Displacement)
*Displacement = Displacement64;
Symbol->Address = si->Address;
Symbol->Size = si->Size;
Symbol->Flags = si->Flags;
len = min(Symbol->MaxNameLength, si->MaxNameLen);
lstrcpynA(Symbol->Name, si->Name, len);
return TRUE;
}
/******************************************************************
* SymGetSymFromAddr64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetSymFromAddr64(HANDLE hProcess, DWORD64 Address,
PDWORD64 Displacement, PIMAGEHLP_SYMBOL64 Symbol)
{
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
size_t len;
DWORD64 Displacement64;
if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = MAX_SYM_NAME;
if (!SymFromAddr(hProcess, Address, &Displacement64, si))
return FALSE;
if (Displacement)
*Displacement = Displacement64;
Symbol->Address = si->Address;
Symbol->Size = si->Size;
Symbol->Flags = si->Flags;
len = min(Symbol->MaxNameLength, si->MaxNameLen);
lstrcpynA(Symbol->Name, si->Name, len);
return TRUE;
}
static BOOL find_name(struct process* pcs, struct module* module, const char* name,
SYMBOL_INFO* symbol)
{
struct hash_table_iter hti;
void* ptr;
struct symt_ht* sym = NULL;
struct module_pair pair;
pair.pcs = pcs;
if (!(pair.requested = module)) return FALSE;
if (!module_get_debug(&pair)) return FALSE;
hash_table_iter_init(&pair.effective->ht_symbols, &hti, name);
while ((ptr = hash_table_iter_up(&hti)))
{
sym = CONTAINING_RECORD(ptr, struct symt_ht, hash_elt);
if (!strcmp(sym->hash_elt.name, name))
{
symt_fill_sym_info(&pair, NULL, &sym->symt, symbol);
return TRUE;
}
}
return FALSE;
}
/******************************************************************
* SymFromName (DBGHELP.@)
*
*/
BOOL WINAPI SymFromName(HANDLE hProcess, PCSTR Name, PSYMBOL_INFO Symbol)
{
struct process* pcs = process_find_by_handle(hProcess);
struct module_pair pair;
struct module* module;
const char* name;
TRACE("(%p, %s, %p)\n", hProcess, Name, Symbol);
if (!pcs) return FALSE;
if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
name = strchr(Name, '!');
if (name)
{
char tmp[128];
assert(name - Name < sizeof(tmp));
memcpy(tmp, Name, name - Name);
tmp[name - Name] = '\0';
module = module_find_by_nameA(pcs, tmp);
return find_name(pcs, module, name + 1, Symbol);
}
/* search first in local context */
pair.pcs = pcs;
pair.requested = module_find_by_addr(pair.pcs, pcs->localscope_pc, DMT_UNKNOWN);
if (module_get_debug(&pair) &&
(symt_check_tag(pcs->localscope_symt, SymTagFunction) ||
symt_check_tag(pcs->localscope_symt, SymTagInlineSite)))
{
struct symt_function* func = (struct symt_function*)pcs->localscope_symt;
struct vector* v = &func->vchildren;
unsigned i;
for (i = 0; i < vector_length(v); i++)
{
struct symt* lsym = *(struct symt**)vector_at(v, i);
switch (lsym->tag)
{
case SymTagBlock: /* no recursion */
break;
case SymTagData:
name = symt_get_name(lsym);
if (name && !strcmp(name, Name))
{
symt_fill_sym_info(&pair, func, lsym, Symbol);
return TRUE;
}
break;
case SymTagLabel: /* not returned here */
case SymTagFuncDebugStart:
case SymTagFuncDebugEnd:
case SymTagCustom:
case SymTagInlineSite:
break;
default:
WARN("Unsupported tag: %u (%x)\n", lsym->tag, lsym->tag);
}
}
}
/* lookup at global scope */
for (module = pcs->lmodules; module; module = module->next)
{
if (module->type == DMT_PE && find_name(pcs, module, Name, Symbol))
return TRUE;
}
/* not found in PE modules, retry on the ELF ones
*/
if (dbghelp_opt_native)
{
for (module = pcs->lmodules; module; module = module->next)
{
if ((module->type == DMT_ELF || module->type == DMT_MACHO) &&
!module_get_containee(pcs, module) &&
find_name(pcs, module, Name, Symbol))
return TRUE;
}
}
SetLastError(ERROR_MOD_NOT_FOUND);
return FALSE;
}
/***********************************************************************
* SymFromNameW (DBGHELP.@)
*/
BOOL WINAPI SymFromNameW(HANDLE process, const WCHAR *name, SYMBOL_INFOW *symbol)
{
SYMBOL_INFO *si;
DWORD len;
char *tmp;
BOOL ret;
TRACE("(%p, %s, %p)\n", process, debugstr_w(name), symbol);
len = sizeof(*si) + symbol->MaxNameLen;
if (!(si = HeapAlloc(GetProcessHeap(), 0, len))) return FALSE;
len = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
if (!(tmp = HeapAlloc(GetProcessHeap(), 0, len)))
{
HeapFree(GetProcessHeap(), 0, si);
return FALSE;
}
WideCharToMultiByte(CP_ACP, 0, name, -1, tmp, len, NULL, NULL);
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = symbol->MaxNameLen;
if ((ret = SymFromName(process, tmp, si)))
copy_symbolW(symbol, si);
HeapFree(GetProcessHeap(), 0, tmp);
HeapFree(GetProcessHeap(), 0, si);
return ret;
}
/***********************************************************************
* SymGetSymFromName64 (DBGHELP.@)
*/
BOOL WINAPI SymGetSymFromName64(HANDLE hProcess, PCSTR Name, PIMAGEHLP_SYMBOL64 Symbol)
{
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
size_t len;
if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = MAX_SYM_NAME;
if (!SymFromName(hProcess, Name, si)) return FALSE;
Symbol->Address = si->Address;
Symbol->Size = si->Size;
Symbol->Flags = si->Flags;
len = min(Symbol->MaxNameLength, si->MaxNameLen);
lstrcpynA(Symbol->Name, si->Name, len);
return TRUE;
}
/***********************************************************************
* SymGetSymFromName (DBGHELP.@)
*/
BOOL WINAPI SymGetSymFromName(HANDLE hProcess, PCSTR Name, PIMAGEHLP_SYMBOL Symbol)
{
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
size_t len;
if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = MAX_SYM_NAME;
if (!SymFromName(hProcess, Name, si)) return FALSE;
Symbol->Address = si->Address;
Symbol->Size = si->Size;
Symbol->Flags = si->Flags;
len = min(Symbol->MaxNameLength, si->MaxNameLen);
lstrcpynA(Symbol->Name, si->Name, len);
return TRUE;
}
struct internal_line_t
{
BOOL unicode;
PVOID key;
DWORD line_number;
union
{
CHAR* file_nameA;
WCHAR* file_nameW;
};
DWORD64 address;
};
static void init_internal_line(struct internal_line_t* intl, BOOL unicode)
{
intl->unicode = unicode;
intl->key = NULL;
intl->line_number = 0;
intl->file_nameA = NULL;
intl->address = 0;
}
static BOOL internal_line_copy_toA32(const struct internal_line_t* intl, IMAGEHLP_LINE* l32)
{
if (intl->unicode) return FALSE;
l32->Key = intl->key;
l32->LineNumber = intl->line_number;
l32->FileName = intl->file_nameA;
l32->Address = intl->address;
return TRUE;
}
static BOOL internal_line_copy_toA64(const struct internal_line_t* intl, IMAGEHLP_LINE64* l64)
{
if (intl->unicode) return FALSE;
l64->Key = intl->key;
l64->LineNumber = intl->line_number;
l64->FileName = intl->file_nameA;
l64->Address = intl->address;
return TRUE;
}
static BOOL internal_line_copy_toW64(const struct internal_line_t* intl, IMAGEHLP_LINEW64* l64)
{
if (!intl->unicode) return FALSE;
l64->Key = intl->key;
l64->LineNumber = intl->line_number;
l64->FileName = intl->file_nameW;
l64->Address = intl->address;
return TRUE;
}
static BOOL internal_line_set_nameA(struct process* pcs, struct internal_line_t* intl, char* str, BOOL copy)
{
DWORD len;
if (intl->unicode)
{
len = MultiByteToWideChar(CP_ACP, 0, str, -1, NULL, 0);
if (!(intl->file_nameW = fetch_buffer(pcs, len * sizeof(WCHAR)))) return FALSE;
MultiByteToWideChar(CP_ACP, 0, str, -1, intl->file_nameW, len);
}
else
{
if (copy)
{
len = strlen(str) + 1;
if (!(intl->file_nameA = fetch_buffer(pcs, len))) return FALSE;
memcpy(intl->file_nameA, str, len);
}
else
intl->file_nameA = str;
}
return TRUE;
}
static BOOL internal_line_set_nameW(struct process* pcs, struct internal_line_t* intl, WCHAR* wstr, BOOL copy)
{
DWORD len;
if (intl->unicode)
{
if (copy)
{
len = (lstrlenW(wstr) + 1) * sizeof(WCHAR);
if (!(intl->file_nameW = fetch_buffer(pcs, len))) return FALSE;
memcpy(intl->file_nameW, wstr, len);
}
else
intl->file_nameW = wstr;
}
else
{
DWORD len = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
if (!(intl->file_nameA = fetch_buffer(pcs, len))) return FALSE;
WideCharToMultiByte(CP_ACP, 0, wstr, -1, intl->file_nameA, len, NULL, NULL);
}
return TRUE;
}
static BOOL get_line_from_function(struct module_pair* pair, struct symt_function* func, DWORD64 addr,
PDWORD pdwDisplacement, struct internal_line_t* intl)
{
struct line_info* dli = NULL;
struct line_info* found_dli = NULL;
int i;
for (i = vector_length(&func->vlines) - 1; i >= 0; i--)
{
dli = vector_at(&func->vlines, i);
if (!dli->is_source_file)
{
if (found_dli || dli->u.address > addr) continue;
intl->line_number = dli->line_number;
intl->address = dli->u.address;
intl->key = dli;
found_dli = dli;
continue;
}
if (found_dli)
{
BOOL ret;
if (dbghelp_opt_source_actual_path)
{
/* Return native file paths when using winedbg */
ret = internal_line_set_nameA(pair->pcs, intl, (char*)source_get(pair->effective, dli->u.source_file), FALSE);
}
else
{
WCHAR *dospath = wine_get_dos_file_name(source_get(pair->effective, dli->u.source_file));
ret = internal_line_set_nameW(pair->pcs, intl, dospath, TRUE);
HeapFree( GetProcessHeap(), 0, dospath );
}
if (ret && pdwDisplacement) *pdwDisplacement = addr - found_dli->u.address;
return ret;
}
}
return FALSE;
}
/******************************************************************
* get_line_from_addr
*
* fills source file information from an address
*/
static BOOL get_line_from_addr(HANDLE hProcess, DWORD64 addr,
PDWORD pdwDisplacement, struct internal_line_t* intl)
{
struct module_pair pair;
struct symt_ht* symt;
if (!module_init_pair(&pair, hProcess, addr)) return FALSE;
if ((symt = symt_find_symbol_at(pair.effective, addr)) == NULL) return FALSE;
if (symt->symt.tag != SymTagFunction && symt->symt.tag != SymTagInlineSite) return FALSE;
return get_line_from_function(&pair, (struct symt_function*)symt, addr, pdwDisplacement, intl);
}
/***********************************************************************
* SymGetSymNext64 (DBGHELP.@)
*/
BOOL WINAPI SymGetSymNext64(HANDLE hProcess, PIMAGEHLP_SYMBOL64 Symbol)
{
/* algo:
* get module from Symbol.Address
* get index in module.addr_sorttab of Symbol.Address
* increment index
* if out of module bounds, move to next module in process address space
*/
FIXME("(%p, %p): stub\n", hProcess, Symbol);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* SymGetSymNext (DBGHELP.@)
*/
BOOL WINAPI SymGetSymNext(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
{
FIXME("(%p, %p): stub\n", hProcess, Symbol);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* SymGetSymPrev64 (DBGHELP.@)
*/
BOOL WINAPI SymGetSymPrev64(HANDLE hProcess, PIMAGEHLP_SYMBOL64 Symbol)
{
FIXME("(%p, %p): stub\n", hProcess, Symbol);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/***********************************************************************
* SymGetSymPrev (DBGHELP.@)
*/
BOOL WINAPI SymGetSymPrev(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
{
FIXME("(%p, %p): stub\n", hProcess, Symbol);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/******************************************************************
* SymGetLineFromAddr (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromAddr(HANDLE hProcess, DWORD dwAddr,
PDWORD pdwDisplacement, PIMAGEHLP_LINE Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, FALSE);
if (!get_line_from_addr(hProcess, dwAddr, pdwDisplacement, &intl)) return FALSE;
return internal_line_copy_toA32(&intl, Line);
}
/******************************************************************
* SymGetLineFromAddr64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromAddr64(HANDLE hProcess, DWORD64 dwAddr,
PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, FALSE);
if (!get_line_from_addr(hProcess, dwAddr, pdwDisplacement, &intl)) return FALSE;
return internal_line_copy_toA64(&intl, Line);
}
/******************************************************************
* SymGetLineFromAddrW64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromAddrW64(HANDLE hProcess, DWORD64 dwAddr,
PDWORD pdwDisplacement, PIMAGEHLP_LINEW64 Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, TRUE);
if (!get_line_from_addr(hProcess, dwAddr, pdwDisplacement, &intl)) return FALSE;
return internal_line_copy_toW64(&intl, Line);
}
static BOOL symt_get_func_line_prev(HANDLE hProcess, struct internal_line_t* intl, void* key, DWORD64 addr)
{
struct module_pair pair;
struct line_info* li;
struct line_info* srcli;
if (!module_init_pair(&pair, hProcess, addr)) return FALSE;
if (key == NULL) return FALSE;
li = key;
while (!li->is_first)
{
li--;
if (!li->is_source_file)
{
intl->line_number = li->line_number;
intl->address = li->u.address;
intl->key = li;
/* search source file */
for (srcli = li; !srcli->is_source_file; srcli--);
return internal_line_set_nameA(pair.pcs, intl, (char*)source_get(pair.effective, srcli->u.source_file), FALSE);
}
}
SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
return FALSE;
}
/******************************************************************
* SymGetLinePrev64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLinePrev64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, FALSE);
if (!symt_get_func_line_prev(hProcess, &intl, Line->Key, Line->Address)) return FALSE;
return internal_line_copy_toA64(&intl, Line);
}
/******************************************************************
* SymGetLinePrev (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLinePrev(HANDLE hProcess, PIMAGEHLP_LINE Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, FALSE);
if (!symt_get_func_line_prev(hProcess, &intl, Line->Key, Line->Address)) return FALSE;
return internal_line_copy_toA32(&intl, Line);
}
/******************************************************************
* SymGetLinePrevW64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLinePrevW64(HANDLE hProcess, PIMAGEHLP_LINEW64 Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, TRUE);
if (!symt_get_func_line_prev(hProcess, &intl, Line->Key, Line->Address)) return FALSE;
return internal_line_copy_toW64(&intl, Line);
}
static BOOL symt_get_func_line_next(HANDLE hProcess, struct internal_line_t* intl, void* key, DWORD64 addr)
{
struct module_pair pair;
struct line_info* li;
struct line_info* srcli;
if (key == NULL) return FALSE;
if (!module_init_pair(&pair, hProcess, addr)) return FALSE;
/* search current source file */
for (srcli = key; !srcli->is_source_file; srcli--);
li = key;
while (!li->is_last)
{
li++;
if (!li->is_source_file)
{
intl->line_number = li->line_number;
intl->address = li->u.address;
intl->key = li;
return internal_line_set_nameA(pair.pcs, intl, (char*)source_get(pair.effective, srcli->u.source_file), FALSE);
}
srcli = li;
}
SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
return FALSE;
}
/******************************************************************
* SymGetLineNext64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineNext64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, FALSE);
if (!symt_get_func_line_next(hProcess, &intl, Line->Key, Line->Address)) return FALSE;
return internal_line_copy_toA64(&intl, Line);
}
/******************************************************************
* SymGetLineNext (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineNext(HANDLE hProcess, PIMAGEHLP_LINE Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, FALSE);
if (!symt_get_func_line_next(hProcess, &intl, Line->Key, Line->Address)) return FALSE;
return internal_line_copy_toA32(&intl, Line);
}
/******************************************************************
* SymGetLineNextW64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineNextW64(HANDLE hProcess, PIMAGEHLP_LINEW64 Line)
{
struct internal_line_t intl;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
init_internal_line(&intl, TRUE);
if (!symt_get_func_line_next(hProcess, &intl, Line->Key, Line->Address)) return FALSE;
return internal_line_copy_toW64(&intl, Line);
}
/***********************************************************************
* SymUnDName (DBGHELP.@)
*/
BOOL WINAPI SymUnDName(PIMAGEHLP_SYMBOL sym, PSTR UnDecName, DWORD UnDecNameLength)
{
return UnDecorateSymbolName(sym->Name, UnDecName, UnDecNameLength,
UNDNAME_COMPLETE) != 0;
}
/***********************************************************************
* SymUnDName64 (DBGHELP.@)
*/
BOOL WINAPI SymUnDName64(PIMAGEHLP_SYMBOL64 sym, PSTR UnDecName, DWORD UnDecNameLength)
{
return UnDecorateSymbolName(sym->Name, UnDecName, UnDecNameLength,
UNDNAME_COMPLETE) != 0;
}
/***********************************************************************
* UnDecorateSymbolName (DBGHELP.@)
*/
DWORD WINAPI UnDecorateSymbolName(const char *decorated_name, char *undecorated_name,
DWORD undecorated_length, DWORD flags)
{
TRACE("(%s, %p, %ld, 0x%08lx)\n",
debugstr_a(decorated_name), undecorated_name, undecorated_length, flags);
if (!undecorated_name || !undecorated_length)
return 0;
if (!__unDName(undecorated_name, decorated_name, undecorated_length, malloc, free, flags))
return 0;
return strlen(undecorated_name);
}
/***********************************************************************
* UnDecorateSymbolNameW (DBGHELP.@)
*/
DWORD WINAPI UnDecorateSymbolNameW(const WCHAR *decorated_name, WCHAR *undecorated_name,
DWORD undecorated_length, DWORD flags)
{
char *buf, *ptr;
int len, ret = 0;
TRACE("(%s, %p, %ld, 0x%08lx)\n",
debugstr_w(decorated_name), undecorated_name, undecorated_length, flags);
if (!undecorated_name || !undecorated_length)
return 0;
len = WideCharToMultiByte(CP_ACP, 0, decorated_name, -1, NULL, 0, NULL, NULL);
if ((buf = HeapAlloc(GetProcessHeap(), 0, len)))
{
WideCharToMultiByte(CP_ACP, 0, decorated_name, -1, buf, len, NULL, NULL);
if ((ptr = __unDName(NULL, buf, 0, malloc, free, flags)))
{
MultiByteToWideChar(CP_ACP, 0, ptr, -1, undecorated_name, undecorated_length);
undecorated_name[undecorated_length - 1] = 0;
ret = lstrlenW(undecorated_name);
free(ptr);
}
HeapFree(GetProcessHeap(), 0, buf);
}
return ret;
}
#define WILDCHAR(x) (-(x))
static int re_fetch_char(const WCHAR** re)
{
switch (**re)
{
case '\\': (*re)++; return *(*re)++;
case '*': case '[': case '?': case '+': case '#': case ']': return WILDCHAR(*(*re)++);
default: return *(*re)++;
}
}
static inline int re_match_char(WCHAR ch1, WCHAR ch2, BOOL _case)
{
return _case ? ch1 - ch2 : towupper(ch1) - towupper(ch2);
}
static const WCHAR* re_match_one(const WCHAR* string, const WCHAR* elt, BOOL _case)
{
int ch1, prev = 0;
unsigned state = 0;
switch (ch1 = re_fetch_char(&elt))
{
default:
return (ch1 >= 0 && re_match_char(*string, ch1, _case) == 0) ? ++string : NULL;
case WILDCHAR('?'): return *string ? ++string : NULL;
case WILDCHAR('*'): assert(0);
case WILDCHAR('['): break;
}
for (;;)
{
ch1 = re_fetch_char(&elt);
if (ch1 == WILDCHAR(']')) return NULL;
if (state == 1 && ch1 == '-') state = 2;
else
{
if (re_match_char(*string, ch1, _case) == 0) return ++string;
switch (state)
{
case 0:
state = 1;
prev = ch1;
break;
case 1:
state = 0;
break;
case 2:
if (prev >= 0 && ch1 >= 0 && re_match_char(prev, *string, _case) <= 0 &&
re_match_char(*string, ch1, _case) <= 0)
return ++string;
state = 0;
break;
}
}
}
}
/******************************************************************
* re_match_multi
*
* match a substring of *pstring according to *pre regular expression
* pstring and pre are only updated in case of successful match
*/
static BOOL re_match_multi(const WCHAR** pstring, const WCHAR** pre, BOOL _case)
{
const WCHAR* re_end = *pre;
const WCHAR* string_end = *pstring;
const WCHAR* re_beg;
const WCHAR* string_beg;
const WCHAR* next;
int ch;
while (*re_end && *string_end)
{
string_beg = string_end;
re_beg = re_end;
switch (ch = re_fetch_char(&re_end))
{
case WILDCHAR(']'): case WILDCHAR('+'): case WILDCHAR('#'): return FALSE;
case WILDCHAR('*'):
/* transform '*' into '?#' */
re_beg = L"?";
goto closure;
case WILDCHAR('['):
do
{
if (!(ch = re_fetch_char(&re_end))) return FALSE;
} while (ch != WILDCHAR(']'));
/* fall through */
case WILDCHAR('?'):
default:
break;
}
switch (*re_end)
{
case '+':
if (!(next = re_match_one(string_end, re_beg, _case))) return FALSE;
string_beg++;
/* fall through */
case '#':
re_end++;
closure:
while ((next = re_match_one(string_end, re_beg, _case))) string_end = next;
for ( ; string_end >= string_beg; string_end--)
{
if (re_match_multi(&string_end, &re_end, _case)) goto found;
}
return FALSE;
default:
if (!(next = re_match_one(string_end, re_beg, _case))) return FALSE;
string_end = next;
}
}
if (*re_end || *string_end) return FALSE;
found:
*pre = re_end;
*pstring = string_end;
return TRUE;
}
/******************************************************************
* SymMatchStringA (DBGHELP.@)
*
*/
BOOL WINAPI SymMatchStringA(PCSTR string, PCSTR re, BOOL _case)
{
WCHAR* strW;
WCHAR* reW;
BOOL ret = FALSE;
DWORD sz;
if (!string || !re)
{
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
TRACE("%s %s %c\n", string, re, _case ? 'Y' : 'N');
sz = MultiByteToWideChar(CP_ACP, 0, string, -1, NULL, 0);
if ((strW = HeapAlloc(GetProcessHeap(), 0, sz * sizeof(WCHAR))))
MultiByteToWideChar(CP_ACP, 0, string, -1, strW, sz);
sz = MultiByteToWideChar(CP_ACP, 0, re, -1, NULL, 0);
if ((reW = HeapAlloc(GetProcessHeap(), 0, sz * sizeof(WCHAR))))
MultiByteToWideChar(CP_ACP, 0, re, -1, reW, sz);
if (strW && reW)
ret = SymMatchStringW(strW, reW, _case);
HeapFree(GetProcessHeap(), 0, strW);
HeapFree(GetProcessHeap(), 0, reW);
return ret;
}
/******************************************************************
* SymMatchStringW (DBGHELP.@)
*
*/
BOOL WINAPI SymMatchStringW(PCWSTR string, PCWSTR re, BOOL _case)
{
TRACE("%s %s %c\n", debugstr_w(string), debugstr_w(re), _case ? 'Y' : 'N');
if (!string || !re)
{
SetLastError(ERROR_INVALID_HANDLE);
return FALSE;
}
return re_match_multi(&string, &re, _case);
}
static inline BOOL doSymSearch(HANDLE hProcess, ULONG64 BaseOfDll, DWORD Index,
DWORD SymTag, PCWSTR Mask, DWORD64 Address,
PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
PVOID UserContext, DWORD Options)
{
struct sym_enum se;
if (Options != SYMSEARCH_GLOBALSONLY)
{
FIXME("Unsupported searching with options (%lx)\n", Options);
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
se.cb = EnumSymbolsCallback;
se.user = UserContext;
se.index = Index;
se.tag = SymTag;
se.addr = Address;
se.sym_info = (PSYMBOL_INFO)se.buffer;
return sym_enum(hProcess, BaseOfDll, Mask, &se);
}
/******************************************************************
* SymSearch (DBGHELP.@)
*/
BOOL WINAPI SymSearch(HANDLE hProcess, ULONG64 BaseOfDll, DWORD Index,
DWORD SymTag, PCSTR Mask, DWORD64 Address,
PSYM_ENUMERATESYMBOLS_CALLBACK EnumSymbolsCallback,
PVOID UserContext, DWORD Options)
{
LPWSTR maskW = NULL;
BOOLEAN ret;
TRACE("(%p %I64x %lu %lu %s %I64x %p %p %lx)\n",
hProcess, BaseOfDll, Index, SymTag, Mask,
Address, EnumSymbolsCallback, UserContext, Options);
if (Mask)
{
DWORD sz = MultiByteToWideChar(CP_ACP, 0, Mask, -1, NULL, 0);
if (!(maskW = HeapAlloc(GetProcessHeap(), 0, sz * sizeof(WCHAR))))
return FALSE;
MultiByteToWideChar(CP_ACP, 0, Mask, -1, maskW, sz);
}
ret = doSymSearch(hProcess, BaseOfDll, Index, SymTag, maskW, Address,
EnumSymbolsCallback, UserContext, Options);
HeapFree(GetProcessHeap(), 0, maskW);
return ret;
}
/******************************************************************
* SymSearchW (DBGHELP.@)
*/
BOOL WINAPI SymSearchW(HANDLE hProcess, ULONG64 BaseOfDll, DWORD Index,
DWORD SymTag, PCWSTR Mask, DWORD64 Address,
PSYM_ENUMERATESYMBOLS_CALLBACKW EnumSymbolsCallback,
PVOID UserContext, DWORD Options)
{
struct sym_enumW sew;
TRACE("(%p %I64x %lu %lu %s %I64x %p %p %lx)\n",
hProcess, BaseOfDll, Index, SymTag, debugstr_w(Mask),
Address, EnumSymbolsCallback, UserContext, Options);
sew.ctx = UserContext;
sew.cb = EnumSymbolsCallback;
sew.sym_info = (PSYMBOL_INFOW)sew.buffer;
return doSymSearch(hProcess, BaseOfDll, Index, SymTag, Mask, Address,
sym_enumW, &sew, Options);
}
/******************************************************************
* SymAddSymbol (DBGHELP.@)
*
*/
BOOL WINAPI SymAddSymbol(HANDLE hProcess, ULONG64 BaseOfDll, PCSTR name,
DWORD64 addr, DWORD size, DWORD flags)
{
struct module_pair pair;
TRACE("(%p %s %I64x %lu)\n", hProcess, wine_dbgstr_a(name), addr, size);
if (!module_init_pair(&pair, hProcess, BaseOfDll)) return FALSE;
return symt_new_custom(pair.effective, name, addr, size) != NULL;
}
/******************************************************************
* SymAddSymbolW (DBGHELP.@)
*
*/
BOOL WINAPI SymAddSymbolW(HANDLE hProcess, ULONG64 BaseOfDll, PCWSTR nameW,
DWORD64 addr, DWORD size, DWORD flags)
{
char name[MAX_SYM_NAME];
TRACE("(%p %s %I64x %lu)\n", hProcess, wine_dbgstr_w(nameW), addr, size);
WideCharToMultiByte(CP_ACP, 0, nameW, -1, name, ARRAY_SIZE(name), NULL, NULL);
return SymAddSymbol(hProcess, BaseOfDll, name, addr, size, flags);
}
/******************************************************************
* SymEnumLines (DBGHELP.@)
*
*/
BOOL WINAPI SymEnumLines(HANDLE hProcess, ULONG64 base, PCSTR compiland,
PCSTR srcfile, PSYM_ENUMLINES_CALLBACK cb, PVOID user)
{
struct module_pair pair;
struct hash_table_iter hti;
struct symt_ht* sym;
WCHAR* srcmask;
struct line_info* dli;
void* ptr;
SRCCODEINFO sci;
const char* file;
if (!cb) return FALSE;
if (!(dbghelp_options & SYMOPT_LOAD_LINES)) return TRUE;
if (!module_init_pair(&pair, hProcess, base)) return FALSE;
if (compiland) FIXME("Unsupported yet (filtering on compiland %s)\n", compiland);
if (!(srcmask = file_regex(srcfile))) return FALSE;
sci.SizeOfStruct = sizeof(sci);
sci.ModBase = base;
hash_table_iter_init(&pair.effective->ht_symbols, &hti, NULL);
while ((ptr = hash_table_iter_up(&hti)))
{
unsigned int i;
sym = CONTAINING_RECORD(ptr, struct symt_ht, hash_elt);
if (sym->symt.tag != SymTagFunction) continue;
sci.FileName[0] = '\0';
for (i=0; i<vector_length(&((struct symt_function*)sym)->vlines); i++)
{
dli = vector_at(&((struct symt_function*)sym)->vlines, i);
if (dli->is_source_file)
{
file = source_get(pair.effective, dli->u.source_file);
if (!file) sci.FileName[0] = '\0';
else
{
DWORD sz = MultiByteToWideChar(CP_ACP, 0, file, -1, NULL, 0);
WCHAR* fileW;
if ((fileW = HeapAlloc(GetProcessHeap(), 0, sz * sizeof(WCHAR))))
MultiByteToWideChar(CP_ACP, 0, file, -1, fileW, sz);
if (SymMatchStringW(fileW, srcmask, FALSE))
strcpy(sci.FileName, file);
else
sci.FileName[0] = '\0';
HeapFree(GetProcessHeap(), 0, fileW);
}
}
else if (sci.FileName[0])
{
sci.Key = dli;
sci.Obj[0] = '\0'; /* FIXME */
sci.LineNumber = dli->line_number;
sci.Address = dli->u.address;
if (!cb(&sci, user)) break;
}
}
}
HeapFree(GetProcessHeap(), 0, srcmask);
return TRUE;
}
BOOL WINAPI SymGetLineFromName(HANDLE hProcess, PCSTR ModuleName, PCSTR FileName,
DWORD dwLineNumber, PLONG plDisplacement, PIMAGEHLP_LINE Line)
{
FIXME("(%p) (%s, %s, %ld %p %p): stub\n", hProcess, ModuleName, FileName,
dwLineNumber, plDisplacement, Line);
return FALSE;
}
BOOL WINAPI SymGetLineFromName64(HANDLE hProcess, PCSTR ModuleName, PCSTR FileName,
DWORD dwLineNumber, PLONG lpDisplacement, PIMAGEHLP_LINE64 Line)
{
FIXME("(%p) (%s, %s, %ld %p %p): stub\n", hProcess, ModuleName, FileName,
dwLineNumber, lpDisplacement, Line);
return FALSE;
}
BOOL WINAPI SymGetLineFromNameW64(HANDLE hProcess, PCWSTR ModuleName, PCWSTR FileName,
DWORD dwLineNumber, PLONG plDisplacement, PIMAGEHLP_LINEW64 Line)
{
FIXME("(%p) (%s, %s, %ld %p %p): stub\n", hProcess, debugstr_w(ModuleName), debugstr_w(FileName),
dwLineNumber, plDisplacement, Line);
return FALSE;
}
/******************************************************************
* SymFromIndex (DBGHELP.@)
*
*/
BOOL WINAPI SymFromIndex(HANDLE hProcess, ULONG64 BaseOfDll, DWORD index, PSYMBOL_INFO symbol)
{
FIXME("hProcess = %p, BaseOfDll = %I64x, index = %ld, symbol = %p\n",
hProcess, BaseOfDll, index, symbol);
return FALSE;
}
/******************************************************************
* SymFromIndexW (DBGHELP.@)
*
*/
BOOL WINAPI SymFromIndexW(HANDLE hProcess, ULONG64 BaseOfDll, DWORD index, PSYMBOL_INFOW symbol)
{
FIXME("hProcess = %p, BaseOfDll = %I64x, index = %ld, symbol = %p\n",
hProcess, BaseOfDll, index, symbol);
return FALSE;
}
/******************************************************************
* SymSetHomeDirectory (DBGHELP.@)
*
*/
PCHAR WINAPI SymSetHomeDirectory(HANDLE hProcess, PCSTR dir)
{
FIXME("(%p, %s): stub\n", hProcess, dir);
return NULL;
}
/******************************************************************
* SymSetHomeDirectoryW (DBGHELP.@)
*
*/
PWSTR WINAPI SymSetHomeDirectoryW(HANDLE hProcess, PCWSTR dir)
{
FIXME("(%p, %s): stub\n", hProcess, debugstr_w(dir));
return NULL;
}
/******************************************************************
* SymFromInlineContext (DBGHELP.@)
*
*/
BOOL WINAPI SymFromInlineContext(HANDLE hProcess, DWORD64 addr, ULONG inline_ctx, PDWORD64 disp, PSYMBOL_INFO si)
{
struct module_pair pair;
struct symt_function* inlined;
TRACE("(%p, %#I64x, 0x%lx, %p, %p)\n", hProcess, addr, inline_ctx, disp, si);
switch (IFC_MODE(inline_ctx))
{
case IFC_MODE_INLINE:
if (!module_init_pair(&pair, hProcess, addr)) return FALSE;
inlined = symt_find_inlined_site(pair.effective, addr, inline_ctx);
if (inlined)
{
symt_fill_sym_info(&pair, NULL, &inlined->symt, si);
if (disp) *disp = addr - inlined->ranges[0].low;
return TRUE;
}
/* fall through */
case IFC_MODE_IGNORE:
case IFC_MODE_REGULAR:
return SymFromAddr(hProcess, addr, disp, si);
default:
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
}
/******************************************************************
* SymFromInlineContextW (DBGHELP.@)
*
*/
BOOL WINAPI SymFromInlineContextW(HANDLE hProcess, DWORD64 addr, ULONG inline_ctx, PDWORD64 disp, PSYMBOL_INFOW siW)
{
PSYMBOL_INFO si;
unsigned len;
BOOL ret;
TRACE("(%p, %#I64x, 0x%lx, %p, %p)\n", hProcess, addr, inline_ctx, disp, siW);
len = sizeof(*si) + siW->MaxNameLen * sizeof(WCHAR);
si = HeapAlloc(GetProcessHeap(), 0, len);
if (!si) return FALSE;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = siW->MaxNameLen;
if ((ret = SymFromInlineContext(hProcess, addr, inline_ctx, disp, si)))
{
copy_symbolW(siW, si);
}
HeapFree(GetProcessHeap(), 0, si);
return ret;
}
static BOOL get_line_from_inline_context(HANDLE hProcess, DWORD64 addr, ULONG inline_ctx, DWORD64 mod_addr, PDWORD disp,
struct internal_line_t* intl)
{
struct module_pair pair;
struct symt_function* inlined;
if (!module_init_pair(&pair, hProcess, mod_addr ? mod_addr : addr)) return FALSE;
switch (IFC_MODE(inline_ctx))
{
case IFC_MODE_INLINE:
inlined = symt_find_inlined_site(pair.effective, addr, inline_ctx);
if (inlined && get_line_from_function(&pair, inlined, addr, disp, intl))
return TRUE;
/* fall through: check if we can find line info at top function level */
case IFC_MODE_IGNORE:
case IFC_MODE_REGULAR:
return get_line_from_addr(hProcess, addr, disp, intl);
default:
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
}
/******************************************************************
* SymGetLineFromInlineContext (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromInlineContext(HANDLE hProcess, DWORD64 addr, ULONG inline_ctx, DWORD64 mod_addr, PDWORD disp, PIMAGEHLP_LINE64 line)
{
struct internal_line_t intl;
TRACE("(%p, %#I64x, 0x%lx, %#I64x, %p, %p)\n",
hProcess, addr, inline_ctx, mod_addr, disp, line);
if (line->SizeOfStruct < sizeof(*line)) return FALSE;
init_internal_line(&intl, FALSE);
if (!get_line_from_inline_context(hProcess, addr, inline_ctx, mod_addr, disp, &intl)) return FALSE;
return internal_line_copy_toA64(&intl, line);
}
/******************************************************************
* SymGetLineFromInlineContextW (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromInlineContextW(HANDLE hProcess, DWORD64 addr, ULONG inline_ctx, DWORD64 mod_addr, PDWORD disp, PIMAGEHLP_LINEW64 line)
{
struct internal_line_t intl;
TRACE("(%p, %#I64x, 0x%lx, %#I64x, %p, %p)\n",
hProcess, addr, inline_ctx, mod_addr, disp, line);
if (line->SizeOfStruct < sizeof(*line)) return FALSE;
init_internal_line(&intl, TRUE);
if (!get_line_from_inline_context(hProcess, addr, inline_ctx, mod_addr, disp, &intl)) return FALSE;
return internal_line_copy_toW64(&intl, line);
}
/******************************************************************
* SymAddrIncludeInlineTrace (DBGHELP.@)
*
* MSDN doesn't state that the maximum depth (of embedded inline sites) at <addr>
* is actually returned. (It just says non zero means that there are some inline site(s)).
* But this is what native actually returns.
*/
DWORD WINAPI SymAddrIncludeInlineTrace(HANDLE hProcess, DWORD64 addr)
{
struct module_pair pair;
DWORD depth = 0;
TRACE("(%p, %#I64x)\n", hProcess, addr);
if (module_init_pair(&pair, hProcess, addr))
{
struct symt_ht* symt = symt_find_symbol_at(pair.effective, addr);
if (symt_check_tag(&symt->symt, SymTagFunction))
{
struct symt_function* inlined = symt_find_lowest_inlined((struct symt_function*)symt, addr);
if (inlined)
{
for ( ; &inlined->symt != &symt->symt; inlined = (struct symt_function*)symt_get_upper_inlined(inlined))
++depth;
}
}
}
return depth;
}
/******************************************************************
* SymQueryInlineTrace (DBGHELP.@)
*
*/
BOOL WINAPI SymQueryInlineTrace(HANDLE hProcess, DWORD64 StartAddress, DWORD StartContext,
DWORD64 StartRetAddress, DWORD64 CurAddress,
LPDWORD CurContext, LPDWORD CurFrameIndex)
{
struct module_pair pair;
struct symt_ht* sym_curr;
struct symt_ht* sym_start;
struct symt_ht* sym_startret;
DWORD depth;
TRACE("(%p, %#I64x, 0x%lx, %#I64x, %I64x, %p, %p)\n",
hProcess, StartAddress, StartContext, StartRetAddress, CurAddress, CurContext, CurFrameIndex);
if (!module_init_pair(&pair, hProcess, CurAddress)) return FALSE;
if (!(sym_curr = symt_find_symbol_at(pair.effective, CurAddress))) return FALSE;
if (!symt_check_tag(&sym_curr->symt, SymTagFunction)) return FALSE;
sym_start = symt_find_symbol_at(pair.effective, StartAddress);
sym_startret = symt_find_symbol_at(pair.effective, StartRetAddress);
if (sym_start != sym_curr && sym_startret != sym_curr)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (sym_start != sym_curr || StartContext)
{
FIXME("(%p, %#I64x, 0x%lx, %#I64x, %I64x, %p, %p): semi-stub\n",
hProcess, StartAddress, StartContext, StartRetAddress, CurAddress, CurContext, CurFrameIndex);
return ERROR_CALL_NOT_IMPLEMENTED;
}
depth = SymAddrIncludeInlineTrace(hProcess, CurAddress);
if (depth)
{
*CurContext = IFC_MODE_INLINE; /* deepest inline site */
*CurFrameIndex = depth;
}
else
{
*CurContext = IFC_MODE_REGULAR;
*CurFrameIndex = 0;
}
return TRUE;
}
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