Sweden-Number/dlls/dbghelp/symbol.c

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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
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*/
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
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#include "config.h"
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#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include <sys/types.h>
#include <assert.h>
#ifdef HAVE_REGEX_H
# include <regex.h>
#endif
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#include "wine/debug.h"
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#include "dbghelp_private.h"
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#include "winnls.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
WINE_DECLARE_DEBUG_CHANNEL(dbghelp_symt);
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static inline int cmp_addr(ULONG64 a1, ULONG64 a2)
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{
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)
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{
ULONG64 ref;
symt_get_address(&module->addr_sorttab[idx]->symt, &ref);
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return cmp_addr(ref, addr);
}
int 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;
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symt_get_address(sym1, &a1);
symt_get_address(sym2, &a2);
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return cmp_addr(a1, a2);
}
DWORD symt_ptr2index(struct module* module, const struct symt* sym)
{
#ifdef _WIN64
const struct symt** c;
int len = vector_length(&module->vsymt), i;
/* FIXME: this is inefficient */
for (i = 0; i < len; i++)
{
if (*(struct symt**)vector_at(&module->vsymt, i) == sym)
return i + 1;
}
/* not found */
c = vector_add(&module->vsymt, &module->pool);
if (c) *c = sym;
return len + 1;
#else
return (DWORD)sym;
#endif
}
struct symt* symt_index2ptr(struct module* module, DWORD id)
{
#ifdef _WIN64
if (!id-- || id >= vector_length(&module->vsymt)) return NULL;
return *(struct symt**)vector_at(&module->vsymt, id);
#else
return (struct symt*)id;
#endif
}
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_ht(struct module* module, struct symt_ht* ht)
{
ULONG64 addr;
hash_table_add(&module->ht_symbols, &ht->hash_elt);
/* 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;
}
}
#ifdef HAVE_REGEX_H
/* transforms a dbghelp's regular expression into a POSIX one
* Here are the valid dbghelp reg ex characters:
* * 0 or more characters
* ? a single character
* [] list
* # 0 or more of preceding char
* + 1 or more of preceding char
* escapes \ on #, ?, [, ], *, +. don't work on -
*/
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static void compile_regex(const char* str, int numchar, regex_t* re, BOOL _case)
{
char *mask, *p;
BOOL in_escape = FALSE;
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unsigned flags = REG_NOSUB;
if (numchar == -1) numchar = strlen( str );
p = mask = HeapAlloc( GetProcessHeap(), 0, 2 * numchar + 3 );
*p++ = '^';
while (*str && numchar--)
{
/* FIXME: this shouldn't be valid on '-' */
if (in_escape)
{
*p++ = '\\';
*p++ = *str;
in_escape = FALSE;
}
else switch (*str)
{
case '\\': in_escape = TRUE; break;
case '*': *p++ = '.'; *p++ = '*'; break;
case '?': *p++ = '.'; break;
case '#': *p++ = '*'; break;
/* escape some valid characters in dbghelp reg exp:s */
case '$': *p++ = '\\'; *p++ = '$'; break;
/* +, [, ], - are the same in dbghelp & POSIX, use them as any other char */
default: *p++ = *str; break;
}
str++;
}
if (in_escape)
{
*p++ = '\\';
*p++ = '\\';
}
*p++ = '$';
*p = 0;
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if (_case) flags |= REG_ICASE;
if (regcomp(re, mask, flags)) FIXME("Couldn't compile %s\n", mask);
HeapFree(GetProcessHeap(), 0, mask);
}
static BOOL compile_file_regex(regex_t* re, const char* srcfile)
{
char *mask, *p;
BOOL ret;
if (!srcfile || !*srcfile) return regcomp(re, ".*", REG_NOSUB);
p = mask = HeapAlloc(GetProcessHeap(), 0, 5 * strlen(srcfile) + 4);
*p++ = '^';
while (*srcfile)
{
switch (*srcfile)
{
case '\\':
case '/':
*p++ = '[';
*p++ = '\\';
*p++ = '\\';
*p++ = '/';
*p++ = ']';
break;
case '.':
*p++ = '\\';
*p++ = '.';
break;
case '*':
*p++ = '.';
*p++ = '*';
break;
default:
*p++ = *srcfile;
break;
}
srcfile++;
}
*p++ = '$';
*p = 0;
ret = !regcomp(re, mask, REG_NOSUB);
HeapFree(GetProcessHeap(), 0, mask);
if (!ret)
{
FIXME("Couldn't compile %s\n", mask);
SetLastError(ERROR_INVALID_PARAMETER);
}
return ret;
}
static int match_regexp( const regex_t *re, const char *str )
{
return !regexec( re, str, 0, NULL, 0 );
}
#else /* HAVE_REGEX_H */
/* if we don't have regexp support, fall back to a simple string comparison */
typedef struct
{
char *str;
BOOL icase;
} regex_t;
static void compile_regex(const char* str, int numchar, regex_t* re, BOOL _case)
{
if (numchar == -1) numchar = strlen( str );
re->str = HeapAlloc( GetProcessHeap(), 0, numchar + 1 );
memcpy( re->str, str, numchar );
re->str[numchar] = 0;
re->icase = _case;
}
static BOOL compile_file_regex(regex_t* re, const char* srcfile)
{
if (!srcfile || !*srcfile) re->str = NULL;
else compile_regex( srcfile, -1, re, FALSE );
return TRUE;
}
static int match_regexp( const regex_t *re, const char *str )
{
if (!re->str) return 1;
if (re->icase) return !lstrcmpiA( re->str, str );
return !strcmp( re->str, str );
}
static void regfree( regex_t *re )
{
HeapFree( GetProcessHeap(), 0, re->str );
}
#endif /* HAVE_REGEX_H */
struct symt_compiland* symt_new_compiland(struct module* module,
unsigned long address, unsigned src_idx)
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{
struct symt_compiland* sym;
TRACE_(dbghelp_symt)("Adding compiland symbol %s:%s\n",
debugstr_w(module->module.ModuleName), source_get(module, src_idx));
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if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagCompiland;
sym->address = address;
sym->source = src_idx;
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vector_init(&sym->vchildren, sizeof(struct symt*), 32);
}
return sym;
}
struct symt_public* symt_new_public(struct module* module,
struct symt_compiland* compiland,
const char* name,
unsigned long address, unsigned size)
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{
struct symt_public* sym;
struct symt** p;
TRACE_(dbghelp_symt)("Adding public symbol %s:%s @%lx\n",
debugstr_w(module->module.ModuleName), name, address);
if ((dbghelp_options & SYMOPT_AUTO_PUBLICS) &&
symt_find_nearest(module, address) != NULL)
return NULL;
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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->address = address;
sym->size = size;
symt_add_module_ht(module, (struct symt_ht*)sym);
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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, unsigned long size,
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struct symt* type)
{
struct symt_data* sym;
struct symt** p;
DWORD64 tsz;
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TRACE_(dbghelp_symt)("Adding global symbol %s:%s %d@%lx %p\n",
debugstr_w(module->module.ModuleName), name, loc.kind, loc.offset, type);
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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 : NULL;
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 (%s) and src (%lu)\n",
debugstr_w(module->module.ModuleName), name,
wine_dbgstr_longlong(tsz), size);
}
symt_add_module_ht(module, (struct symt_ht*)sym);
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if (compiland)
{
p = vector_add(&compiland->vchildren, &module->pool);
*p = &sym->symt;
}
}
return sym;
}
struct symt_function* symt_new_function(struct module* module,
struct symt_compiland* compiland,
const char* name,
unsigned long addr, unsigned long size,
struct symt* sig_type)
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{
struct symt_function* sym;
struct symt** p;
TRACE_(dbghelp_symt)("Adding global function %s:%s @%lx-%lx\n",
debugstr_w(module->module.ModuleName), name, addr, addr + size - 1);
assert(!sig_type || sig_type->tag == SymTagFunctionType);
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if ((sym = pool_alloc(&module->pool, sizeof(*sym))))
{
sym->symt.tag = SymTagFunction;
sym->hash_elt.name = pool_strdup(&module->pool, name);
sym->container = &compiland->symt;
sym->address = addr;
sym->type = sig_type;
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sym->size = size;
vector_init(&sym->vlines, sizeof(struct line_info), 64);
vector_init(&sym->vchildren, sizeof(struct symt*), 8);
symt_add_module_ht(module, (struct symt_ht*)sym);
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if (compiland)
{
p = vector_add(&compiland->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, unsigned long offset)
{
struct line_info* dli;
BOOL last_matches = FALSE;
int i;
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if (func == NULL || !(dbghelp_options & SYMOPT_LOAD_LINES)) return;
TRACE_(dbghelp_symt)("(%p)%s:%lx %s:%u\n",
func, func->hash_elt.name, offset,
source_get(module, source_idx), line_num);
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assert(func->symt.tag == SymTagFunction);
for (i=vector_length(&func->vlines)-1; i>=0; i--)
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{
dli = vector_at(&func->vlines, i);
if (dli->is_source_file)
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{
last_matches = (source_idx == dli->u.source_file);
break;
}
}
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 = dli->is_last = 0;
dli->line_number = 0;
dli->u.source_file = source_idx;
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}
dli = vector_add(&func->vlines, &module->pool);
dli->is_source_file = 0;
dli->is_first = dli->is_last = 0;
dli->line_number = line_num;
dli->u.pc_offset = func->address + offset;
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}
/******************************************************************
* 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
* 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
*/
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struct symt_data* symt_add_func_local(struct module* module,
struct symt_function* func,
enum DataKind dt,
const struct location* loc,
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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->module.ModuleName), func->hash_elt.name,
name, type);
assert(func);
assert(func->symt.tag == SymTagFunction);
assert(dt == DataIsParam || dt == DataIsLocal);
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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;
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locsym->type = type;
locsym->u.var = *loc;
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if (block)
p = vector_add(&block->vchildren, &module->pool);
else
p = vector_add(&func->vchildren, &module->pool);
*p = &locsym->symt;
return locsym;
}
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struct symt_block* symt_open_func_block(struct module* module,
struct symt_function* func,
struct symt_block* parent_block,
unsigned pc, unsigned len)
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{
struct symt_block* block;
struct symt** p;
assert(func);
assert(func->symt.tag == SymTagFunction);
assert(!parent_block || parent_block->symt.tag == SymTagBlock);
block = pool_alloc(&module->pool, sizeof(*block));
block->symt.tag = SymTagBlock;
block->address = func->address + pc;
block->size = len;
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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,
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const struct symt_function* func,
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struct symt_block* block, unsigned pc)
{
assert(func);
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assert(func->symt.tag == SymTagFunction);
if (pc) block->size = func->address + pc - block->address;
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return (block->container->tag == SymTagBlock) ?
GET_ENTRY(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;
}
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BOOL symt_normalize_function(struct module* module, const struct symt_function* func)
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{
unsigned len;
struct line_info* dli;
assert(func);
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/* We aren't adding any more locals or line numbers to this function.
* Free any spare memory that we might have allocated.
*/
assert(func->symt.tag == SymTagFunction);
/* EPP vector_pool_normalize(&func->vlines, &module->pool); */
/* EPP vector_pool_normalize(&func->vchildren, &module->pool); */
len = vector_length(&func->vlines);
if (len--)
{
dli = vector_at(&func->vlines, 0); dli->is_first = 1;
dli = vector_at(&func->vlines, len); dli->is_last = 1;
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}
return TRUE;
}
struct symt_thunk* symt_new_thunk(struct module* module,
struct symt_compiland* compiland,
const char* name, THUNK_ORDINAL ord,
unsigned long addr, unsigned long size)
{
struct symt_thunk* sym;
TRACE_(dbghelp_symt)("Adding global thunk %s:%s @%lx-%lx\n",
debugstr_w(module->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->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 : NULL;
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, unsigned long address)
{
struct symt_hierarchy_point* sym;
TRACE_(dbghelp_symt)("Adding global label value %s:%s\n",
debugstr_w(module->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;
}
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/* 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,
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const struct symt* sym, SYMBOL_INFO* sym_info)
{
const char* name;
DWORD64 size;
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if (!symt_get_info(pair->effective, sym, TI_GET_TYPE, &sym_info->TypeIndex))
sym_info->TypeIndex = 0;
sym_info->info = 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;
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sym_info->Flags = 0;
sym_info->Value = 0;
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switch (sym->tag)
{
case SymTagData:
{
const struct symt_data* data = (const struct symt_data*)sym;
switch (data->kind)
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{
case DataIsParam:
sym_info->Flags |= SYMFLAG_PARAMETER;
/* fall through */
case DataIsLocal:
{
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 */
sym_info->Flags |= SYMFLAG_LOCAL;
/* 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_LOCAL | 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);
}
}
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break;
case DataIsGlobal:
case DataIsFileStatic:
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);
}
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break;
case DataIsConstant:
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sym_info->Flags |= SYMFLAG_VALUEPRESENT;
switch (data->u.value.n1.n2.vt)
{
case VT_I4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.lVal; break;
case VT_I2: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.iVal; break;
case VT_I1: sym_info->Value = (ULONG)(long)data->u.value.n1.n2.n3.cVal; break;
case VT_UI4: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.ulVal; break;
case VT_UI2: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.uiVal; break;
case VT_UI1: sym_info->Value = (ULONG)data->u.value.n1.n2.n3.bVal; break;
case VT_I1 | VT_BYREF: sym_info->Value = (ULONG64)(DWORD_PTR)data->u.value.n1.n2.n3.byref; break;
case VT_EMPTY: sym_info->Value = 0; break;
default:
FIXME("Unsupported variant type (%u)\n", data->u.value.n1.n2.vt);
sym_info->Value = 0;
break;
}
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break;
default:
FIXME("Unhandled kind (%u) in sym data\n", data->kind);
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}
}
break;
case SymTagPublicSymbol:
sym_info->Flags |= SYMFLAG_EXPORT;
symt_get_address(sym, &sym_info->Address);
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break;
case SymTagFunction:
sym_info->Flags |= SYMFLAG_FUNCTION;
symt_get_address(sym, &sym_info->Address);
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break;
case SymTagThunk:
sym_info->Flags |= SYMFLAG_THUNK;
symt_get_address(sym, &sym_info->Address);
break;
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default:
symt_get_address(sym, &sym_info->Address);
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sym_info->Register = 0;
break;
}
sym_info->Scope = 0; /* FIXME */
sym_info->Tag = sym->tag;
name = symt_get_name(sym);
if (sym_info->MaxNameLen)
{
if (sym->tag != SymTagPublicSymbol || !(dbghelp_options & SYMOPT_UNDNAME) ||
(sym_info->NameLen = UnDecorateSymbolName(name, sym_info->Name,
sym_info->MaxNameLen, UNDNAME_NAME_ONLY) == 0))
{
sym_info->NameLen = min(strlen(name), sym_info->MaxNameLen - 1);
memcpy(sym_info->Name, name, sym_info->NameLen);
sym_info->Name[sym_info->NameLen] = '\0';
}
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}
TRACE_(dbghelp_symt)("%p => %s %u %s\n",
sym, sym_info->Name, sym_info->Size,
wine_dbgstr_longlong(sym_info->Address));
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}
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->info != 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 regex_t* regex,
const struct sym_enum* se)
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{
void* ptr;
struct symt_ht* sym = NULL;
struct hash_table_iter hti;
hash_table_iter_init(&pair->effective->ht_symbols, &hti, NULL);
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while ((ptr = hash_table_iter_up(&hti)))
{
sym = GET_ENTRY(ptr, struct symt_ht, hash_elt);
if (sym->hash_elt.name && match_regexp(regex, sym->hash_elt.name))
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{
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;
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}
}
return FALSE;
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}
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;
}
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/***********************************************************************
* 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;
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/* 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;
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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 = 0x1000; /* arbitrary value */
}
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/* assume addr is in module */
struct symt_ht* symt_find_nearest(struct module* module, DWORD_PTR addr)
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{
int mid, high, low;
ULONG64 ref_addr, ref_size;
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if (!module->sortlist_valid || !module->addr_sorttab)
{
if (!resort_symbols(module)) return NULL;
}
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/*
* 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;
}
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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 &&
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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
*/
if (module->addr_sorttab[low]->symt.tag == SymTagPublicSymbol)
{
symt_get_address(&module->addr_sorttab[low]->symt, &ref_addr);
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if (low > 0 &&
module->addr_sorttab[low - 1]->symt.tag != SymTagPublicSymbol &&
!cmp_sorttab_addr(module, low - 1, ref_addr))
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low--;
else if (low < module->num_sorttab - 1 &&
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module->addr_sorttab[low + 1]->symt.tag != SymTagPublicSymbol &&
!cmp_sorttab_addr(module, low + 1, ref_addr))
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low++;
}
/* finally check that we fit into the found symbol */
symt_get_address(&module->addr_sorttab[low]->symt, &ref_addr);
if (addr < ref_addr) return NULL;
symt_get_length(module, &module->addr_sorttab[low]->symt, &ref_size);
if (addr >= ref_addr + ref_size) return NULL;
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return module->addr_sorttab[low];
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}
static BOOL symt_enum_locals_helper(struct module_pair* pair,
regex_t* preg, const struct sym_enum* se,
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struct symt_function* func, const struct vector* v)
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{
struct symt* lsym = NULL;
DWORD pc = pair->pcs->ctx_frame.InstructionOffset;
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unsigned int i;
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for (i=0; i<vector_length(v); i++)
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{
lsym = *(struct symt**)vector_at(v, i);
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switch (lsym->tag)
{
case SymTagBlock:
{
struct symt_block* block = (struct symt_block*)lsym;
if (pc < block->address || block->address + block->size <= pc)
continue;
if (!symt_enum_locals_helper(pair, preg, se, func, &block->vchildren))
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return FALSE;
}
break;
case SymTagData:
if (match_regexp(preg, symt_get_name(lsym)))
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{
if (send_symbol(se, pair, func, lsym)) return FALSE;
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}
break;
case SymTagLabel:
case SymTagFuncDebugStart:
case SymTagFuncDebugEnd:
case SymTagCustom:
break;
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default:
FIXME("Unknown type: %u (%x)\n", lsym->tag, lsym->tag);
assert(0);
}
}
return TRUE;
}
static BOOL symt_enum_locals(struct process* pcs, const char* mask,
const struct sym_enum* se)
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{
struct module_pair pair;
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struct symt_ht* sym;
DWORD_PTR pc = pcs->ctx_frame.InstructionOffset;
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se->sym_info->SizeOfStruct = sizeof(*se->sym_info);
se->sym_info->MaxNameLen = sizeof(se->buffer) - sizeof(SYMBOL_INFO);
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pair.pcs = pcs;
pair.requested = module_find_by_addr(pair.pcs, pc, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
if ((sym = symt_find_nearest(pair.effective, pc)) == NULL) return FALSE;
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if (sym->symt.tag == SymTagFunction)
{
BOOL ret;
regex_t preg;
compile_regex(mask ? mask : "*", -1, &preg,
dbghelp_options & SYMOPT_CASE_INSENSITIVE);
ret = symt_enum_locals_helper(&pair, &preg, se, (struct symt_function*)sym,
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&((struct symt_function*)sym)->vchildren);
regfree(&preg);
return ret;
}
return FALSE;
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}
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/******************************************************************
* copy_symbolW
*
2008-11-23 20:53:43 +01:00
* Helper for transforming an ANSI symbol info into a UNICODE one.
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* Assume that MaxNameLen is the same for both version (A & W).
*/
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void copy_symbolW(SYMBOL_INFOW* siw, const SYMBOL_INFO* si)
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{
siw->SizeOfStruct = si->SizeOfStruct;
siw->TypeIndex = si->TypeIndex;
siw->Reserved[0] = si->Reserved[0];
siw->Reserved[1] = si->Reserved[1];
siw->Index = si->info; /* FIXME: see dbghelp.h */
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);
}
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/******************************************************************
* sym_enum
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*
* Core routine for most of the enumeration of symbols
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*/
static BOOL sym_enum(HANDLE hProcess, ULONG64 BaseOfDll, PCSTR Mask,
const struct sym_enum* se)
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{
struct module_pair pair;
const char* bang;
regex_t mod_regex, sym_regex;
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pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
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if (BaseOfDll == 0)
{
/* do local variables ? */
if (!Mask || !(bang = strchr(Mask, '!')))
return symt_enum_locals(pair.pcs, Mask, se);
if (bang == Mask) return FALSE;
compile_regex(Mask, bang - Mask, &mod_regex, TRUE);
compile_regex(bang + 1, -1, &sym_regex,
dbghelp_options & SYMOPT_CASE_INSENSITIVE);
for (pair.requested = pair.pcs->lmodules; pair.requested; pair.requested = pair.requested->next)
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{
if (pair.requested->type == DMT_PE && module_get_debug(&pair))
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{
if (match_regexp(&mod_regex, pair.requested->module_name) &&
symt_enum_module(&pair, &sym_regex, se))
break;
}
}
/* not found in PE modules, retry on the ELF ones
*/
if (!pair.requested && (dbghelp_options & SYMOPT_WINE_WITH_NATIVE_MODULES))
{
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 (match_regexp(&mod_regex, pair.requested->module_name) &&
symt_enum_module(&pair, &sym_regex, se))
break;
}
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}
}
regfree(&mod_regex);
regfree(&sym_regex);
return TRUE;
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}
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 = strchr(Mask, '!')))
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{
if (bang == Mask) return FALSE;
Mask = bang + 1;
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}
compile_regex(Mask ? Mask : "*", -1, &sym_regex,
dbghelp_options & SYMOPT_CASE_INSENSITIVE);
symt_enum_module(&pair, &sym_regex, se);
regfree(&sym_regex);
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return TRUE;
}
/******************************************************************
* 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)
{
struct sym_enum se;
TRACE("(%p %s %s %p %p)\n",
hProcess, wine_dbgstr_longlong(BaseOfDll), debugstr_a(Mask),
EnumSymbolsCallback, UserContext);
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);
}
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struct sym_enumW
{
PSYM_ENUMERATESYMBOLS_CALLBACKW cb;
void* ctx;
PSYMBOL_INFOW sym_info;
char buffer[sizeof(SYMBOL_INFOW) + MAX_SYM_NAME];
};
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;
BOOL ret = FALSE;
char* maskA = NULL;
sew.ctx = UserContext;
sew.cb = EnumSymbolsCallback;
sew.sym_info = (PSYMBOL_INFOW)sew.buffer;
if (Mask)
{
unsigned len = WideCharToMultiByte(CP_ACP, 0, Mask, -1, NULL, 0, NULL, NULL);
maskA = HeapAlloc(GetProcessHeap(), 0, len);
if (!maskA) return FALSE;
WideCharToMultiByte(CP_ACP, 0, Mask, -1, maskA, len, NULL, NULL);
}
ret = SymEnumSymbols(hProcess, BaseOfDll, maskA, sym_enumW, &sew);
HeapFree(GetProcessHeap(), 0, maskA);
return ret;
}
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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;
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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);
}
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/******************************************************************
* SymFromAddr (DBGHELP.@)
*
*/
BOOL WINAPI SymFromAddr(HANDLE hProcess, DWORD64 Address,
DWORD64* Displacement, PSYMBOL_INFO Symbol)
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{
struct module_pair pair;
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struct symt_ht* sym;
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
pair.requested = module_find_by_addr(pair.pcs, Address, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
if ((sym = symt_find_nearest(pair.effective, Address)) == NULL) return FALSE;
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symt_fill_sym_info(&pair, NULL, &sym->symt, Symbol);
*Displacement = Address - Symbol->Address;
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return TRUE;
}
2006-05-10 21:35:22 +02:00
/******************************************************************
* 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;
}
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/******************************************************************
* SymGetSymFromAddr (DBGHELP.@)
*
*/
BOOL WINAPI SymGetSymFromAddr(HANDLE hProcess, DWORD Address,
PDWORD Displacement, PIMAGEHLP_SYMBOL Symbol)
{
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
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SYMBOL_INFO*si = (SYMBOL_INFO*)buffer;
size_t len;
DWORD64 Displacement64;
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if (Symbol->SizeOfStruct < sizeof(*Symbol)) return FALSE;
si->SizeOfStruct = sizeof(*si);
si->MaxNameLen = MAX_SYM_NAME;
if (!SymFromAddr(hProcess, Address, &Displacement64, si))
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return FALSE;
if (Displacement)
*Displacement = Displacement64;
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Symbol->Address = si->Address;
Symbol->Size = si->Size;
Symbol->Flags = si->Flags;
len = min(Symbol->MaxNameLength, si->MaxNameLen);
lstrcpynA(Symbol->Name, si->Name, len);
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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 = GET_ENTRY(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;
}
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/******************************************************************
* SymFromName (DBGHELP.@)
*
*/
BOOL WINAPI SymFromName(HANDLE hProcess, PCSTR Name, PSYMBOL_INFO Symbol)
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{
struct process* pcs = process_find_by_handle(hProcess);
struct module* module;
const char* name;
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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);
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return find_name(pcs, module, name + 1, Symbol);
}
for (module = pcs->lmodules; module; module = module->next)
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{
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_options & SYMOPT_WINE_WITH_NATIVE_MODULES)
{
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;
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}
}
return FALSE;
}
/***********************************************************************
* 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;
}
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/***********************************************************************
* SymGetSymFromName (DBGHELP.@)
*/
BOOL WINAPI SymGetSymFromName(HANDLE hProcess, PCSTR Name, PIMAGEHLP_SYMBOL Symbol)
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{
char buffer[sizeof(SYMBOL_INFO) + MAX_SYM_NAME];
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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;
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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);
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return TRUE;
}
/******************************************************************
* sym_fill_func_line_info
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*
* fills information about a file
*/
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BOOL symt_fill_func_line_info(const struct module* module, const struct symt_function* func,
DWORD64 addr, IMAGEHLP_LINE64* line)
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{
struct line_info* dli = NULL;
BOOL found = FALSE;
int i;
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assert(func->symt.tag == SymTagFunction);
for (i=vector_length(&func->vlines)-1; i>=0; i--)
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{
dli = vector_at(&func->vlines, i);
if (!dli->is_source_file)
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{
if (found || dli->u.pc_offset > addr) continue;
line->LineNumber = dli->line_number;
line->Address = dli->u.pc_offset;
line->Key = dli;
found = TRUE;
continue;
}
if (found)
{
line->FileName = (char*)source_get(module, dli->u.source_file);
return TRUE;
}
}
return FALSE;
}
/***********************************************************************
* SymGetSymNext64 (DBGHELP.@)
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*/
BOOL WINAPI SymGetSymNext64(HANDLE hProcess, PIMAGEHLP_SYMBOL64 Symbol)
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{
/* 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.@)
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*/
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;
}
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/***********************************************************************
* SymGetSymPrev (DBGHELP.@)
*/
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BOOL WINAPI SymGetSymPrev(HANDLE hProcess, PIMAGEHLP_SYMBOL Symbol)
{
FIXME("(%p, %p): stub\n", hProcess, Symbol);
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
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/******************************************************************
* copy_line_64_from_32 (internal)
*
*/
static void copy_line_64_from_32(IMAGEHLP_LINE64* l64, const IMAGEHLP_LINE* l32)
{
l64->Key = l32->Key;
l64->LineNumber = l32->LineNumber;
l64->FileName = l32->FileName;
l64->Address = l32->Address;
}
/******************************************************************
* copy_line_W64_from_32 (internal)
*
*/
static void copy_line_W64_from_64(struct process* pcs, IMAGEHLP_LINEW64* l64w, const IMAGEHLP_LINE64* l64)
{
unsigned len;
l64w->Key = l64->Key;
l64w->LineNumber = l64->LineNumber;
len = MultiByteToWideChar(CP_ACP, 0, l64->FileName, -1, NULL, 0);
if ((l64w->FileName = fetch_buffer(pcs, len * sizeof(WCHAR))))
MultiByteToWideChar(CP_ACP, 0, l64->FileName, -1, l64w->FileName, len);
l64w->Address = l64->Address;
}
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/******************************************************************
* copy_line_32_from_64 (internal)
*
*/
static void copy_line_32_from_64(IMAGEHLP_LINE* l32, const IMAGEHLP_LINE64* l64)
{
l32->Key = l64->Key;
l32->LineNumber = l64->LineNumber;
l32->FileName = l64->FileName;
l32->Address = l64->Address;
}
/******************************************************************
* SymGetLineFromAddr (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromAddr(HANDLE hProcess, DWORD dwAddr,
PDWORD pdwDisplacement, PIMAGEHLP_LINE Line)
{
IMAGEHLP_LINE64 il64;
il64.SizeOfStruct = sizeof(il64);
if (!SymGetLineFromAddr64(hProcess, dwAddr, pdwDisplacement, &il64))
return FALSE;
copy_line_32_from_64(Line, &il64);
return TRUE;
}
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/******************************************************************
* SymGetLineFromAddr64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromAddr64(HANDLE hProcess, DWORD64 dwAddr,
PDWORD pdwDisplacement, PIMAGEHLP_LINE64 Line)
{
struct module_pair pair;
struct symt_ht* symt;
TRACE("%p %s %p %p\n", hProcess, wine_dbgstr_longlong(dwAddr), pdwDisplacement, Line);
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if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
pair.requested = module_find_by_addr(pair.pcs, dwAddr, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
if ((symt = symt_find_nearest(pair.effective, dwAddr)) == NULL) return FALSE;
if (symt->symt.tag != SymTagFunction) return FALSE;
if (!symt_fill_func_line_info(pair.effective, (struct symt_function*)symt,
dwAddr, Line)) return FALSE;
*pdwDisplacement = dwAddr - Line->Address;
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return TRUE;
}
/******************************************************************
* SymGetLineFromAddrW64 (DBGHELP.@)
*
*/
BOOL WINAPI SymGetLineFromAddrW64(HANDLE hProcess, DWORD64 dwAddr,
PDWORD pdwDisplacement, PIMAGEHLP_LINEW64 Line)
{
IMAGEHLP_LINE64 il64;
il64.SizeOfStruct = sizeof(il64);
if (!SymGetLineFromAddr64(hProcess, dwAddr, pdwDisplacement, &il64))
return FALSE;
copy_line_W64_from_64(process_find_by_handle(hProcess), Line, &il64);
return TRUE;
}
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/******************************************************************
* SymGetLinePrev64 (DBGHELP.@)
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*
*/
BOOL WINAPI SymGetLinePrev64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
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{
struct module_pair pair;
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struct line_info* li;
BOOL in_search = FALSE;
TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
pair.requested = module_find_by_addr(pair.pcs, Line->Address, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
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if (Line->Key == 0) return FALSE;
li = Line->Key;
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/* things are a bit complicated because when we encounter a DLIT_SOURCEFILE
* element we have to go back until we find the prev one to get the real
* source file name for the DLIT_OFFSET element just before
* the first DLIT_SOURCEFILE
*/
while (!li->is_first)
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{
li--;
if (!li->is_source_file)
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{
Line->LineNumber = li->line_number;
Line->Address = li->u.pc_offset;
Line->Key = li;
if (!in_search) return TRUE;
}
else
{
if (in_search)
{
Line->FileName = (char*)source_get(pair.effective, li->u.source_file);
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return TRUE;
}
in_search = TRUE;
}
}
SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
return FALSE;
}
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/******************************************************************
* SymGetLinePrev (DBGHELP.@)
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*
*/
BOOL WINAPI SymGetLinePrev(HANDLE hProcess, PIMAGEHLP_LINE Line)
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{
IMAGEHLP_LINE64 line64;
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line64.SizeOfStruct = sizeof(line64);
copy_line_64_from_32(&line64, Line);
if (!SymGetLinePrev64(hProcess, &line64)) return FALSE;
copy_line_32_from_64(Line, &line64);
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return TRUE;
}
BOOL symt_get_func_line_next(const struct module* module, PIMAGEHLP_LINE64 line)
{
struct line_info* li;
if (line->Key == 0) return FALSE;
li = line->Key;
while (!li->is_last)
{
li++;
if (!li->is_source_file)
{
line->LineNumber = li->line_number;
line->Address = li->u.pc_offset;
line->Key = li;
return TRUE;
}
line->FileName = (char*)source_get(module, li->u.source_file);
}
return FALSE;
}
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/******************************************************************
* SymGetLineNext64 (DBGHELP.@)
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*
*/
BOOL WINAPI SymGetLineNext64(HANDLE hProcess, PIMAGEHLP_LINE64 Line)
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{
struct module_pair pair;
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TRACE("(%p %p)\n", hProcess, Line);
if (Line->SizeOfStruct < sizeof(*Line)) return FALSE;
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
pair.requested = module_find_by_addr(pair.pcs, Line->Address, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
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if (symt_get_func_line_next(pair.effective, Line)) return TRUE;
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SetLastError(ERROR_NO_MORE_ITEMS); /* FIXME */
return FALSE;
}
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/******************************************************************
* SymGetLineNext (DBGHELP.@)
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*
*/
BOOL WINAPI SymGetLineNext(HANDLE hProcess, PIMAGEHLP_LINE Line)
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{
IMAGEHLP_LINE64 line64;
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line64.SizeOfStruct = sizeof(line64);
copy_line_64_from_32(&line64, Line);
if (!SymGetLineNext64(hProcess, &line64)) return FALSE;
copy_line_32_from_64(Line, &line64);
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return TRUE;
}
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/***********************************************************************
* SymUnDName (DBGHELP.@)
*/
BOOL WINAPI SymUnDName(PIMAGEHLP_SYMBOL sym, PSTR UnDecName, DWORD UnDecNameLength)
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{
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;
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}
static void* und_alloc(size_t len) { return HeapAlloc(GetProcessHeap(), 0, len); }
static void und_free (void* ptr) { HeapFree(GetProcessHeap(), 0, ptr); }
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/***********************************************************************
* UnDecorateSymbolName (DBGHELP.@)
*/
DWORD WINAPI UnDecorateSymbolName(PCSTR DecoratedName, PSTR UnDecoratedName,
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DWORD UndecoratedLength, DWORD Flags)
{
/* undocumented from msvcrt */
static char* (*p_undname)(char*, const char*, int, void* (*)(size_t), void (*)(void*), unsigned short);
2006-01-24 14:00:32 +01:00
static const WCHAR szMsvcrt[] = {'m','s','v','c','r','t','.','d','l','l',0};
TRACE("(%s, %p, %d, 0x%08x)\n",
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debugstr_a(DecoratedName), UnDecoratedName, UndecoratedLength, Flags);
if (!p_undname)
{
if (!hMsvcrt) hMsvcrt = LoadLibraryW(szMsvcrt);
if (hMsvcrt) p_undname = (void*)GetProcAddress(hMsvcrt, "__unDName");
if (!p_undname) return 0;
}
if (!UnDecoratedName) return 0;
if (!p_undname(UnDecoratedName, DecoratedName, UndecoratedLength,
und_alloc, und_free, Flags))
return 0;
return strlen(UnDecoratedName);
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}
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/******************************************************************
* SymMatchStringA (DBGHELP.@)
2005-12-19 18:16:35 +01:00
*
*/
BOOL WINAPI SymMatchStringA(PCSTR string, PCSTR re, BOOL _case)
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{
regex_t preg;
BOOL ret;
TRACE("%s %s %c\n", string, re, _case ? 'Y' : 'N');
compile_regex(re, -1, &preg, _case);
ret = match_regexp(&preg, string);
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regfree(&preg);
return ret;
}
2011-10-31 20:08:00 +01:00
/******************************************************************
* SymMatchStringW (DBGHELP.@)
*
* FIXME: SymMatchStringA should convert and pass the strings to SymMatchStringW,
* but that needs a unicode RE library.
*/
BOOL WINAPI SymMatchStringW(PCWSTR string, PCWSTR re, BOOL _case)
{
BOOL ret;
LPSTR s, r;
DWORD len;
TRACE("%s %s %c\n", debugstr_w(string), debugstr_w(re), _case ? 'Y' : 'N');
len = WideCharToMultiByte( CP_ACP, 0, string, -1, NULL, 0, NULL, NULL );
s = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, string, -1, s, len, NULL, NULL );
len = WideCharToMultiByte( CP_ACP, 0, re, -1, NULL, 0, NULL, NULL );
r = HeapAlloc( GetProcessHeap(), 0, len );
WideCharToMultiByte( CP_ACP, 0, re, -1, r, len, NULL, NULL );
ret = SymMatchStringA(s, r, _case);
HeapFree( GetProcessHeap(), 0, r );
HeapFree( GetProcessHeap(), 0, s );
return ret;
}
/******************************************************************
* 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)
{
struct sym_enum se;
TRACE("(%p %s %u %u %s %s %p %p %x)\n",
hProcess, wine_dbgstr_longlong(BaseOfDll), Index, SymTag, Mask,
wine_dbgstr_longlong(Address), EnumSymbolsCallback,
UserContext, Options);
if (Options != SYMSEARCH_GLOBALSONLY)
{
FIXME("Unsupported searching with options (%x)\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);
}
2006-05-10 21:35:44 +02:00
/******************************************************************
* 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;
BOOL ret = FALSE;
char* maskA = NULL;
TRACE("(%p %s %u %u %s %s %p %p %x)\n",
hProcess, wine_dbgstr_longlong(BaseOfDll), Index, SymTag, debugstr_w(Mask),
2006-05-10 21:35:44 +02:00
wine_dbgstr_longlong(Address), EnumSymbolsCallback,
UserContext, Options);
sew.ctx = UserContext;
sew.cb = EnumSymbolsCallback;
sew.sym_info = (PSYMBOL_INFOW)sew.buffer;
if (Mask)
{
unsigned len = WideCharToMultiByte(CP_ACP, 0, Mask, -1, NULL, 0, NULL, NULL);
maskA = HeapAlloc(GetProcessHeap(), 0, len);
if (!maskA) return FALSE;
WideCharToMultiByte(CP_ACP, 0, Mask, -1, maskA, len, NULL, NULL);
}
ret = SymSearch(hProcess, BaseOfDll, Index, SymTag, maskA, Address,
sym_enumW, &sew, Options);
HeapFree(GetProcessHeap(), 0, maskA);
return ret;
}
/******************************************************************
* SymAddSymbol (DBGHELP.@)
*
*/
BOOL WINAPI SymAddSymbol(HANDLE hProcess, ULONG64 BaseOfDll, PCSTR name,
DWORD64 addr, DWORD size, DWORD flags)
{
WCHAR nameW[MAX_SYM_NAME];
MultiByteToWideChar(CP_ACP, 0, name, -1, nameW, sizeof(nameW) / sizeof(WCHAR));
return SymAddSymbolW(hProcess, BaseOfDll, nameW, addr, size, flags);
}
/******************************************************************
* SymAddSymbolW (DBGHELP.@)
*
*/
BOOL WINAPI SymAddSymbolW(HANDLE hProcess, ULONG64 BaseOfDll, PCWSTR name,
DWORD64 addr, DWORD size, DWORD flags)
{
struct module_pair pair;
TRACE("(%p %s %s %u)\n", hProcess, wine_dbgstr_w(name), wine_dbgstr_longlong(addr), size);
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
pair.requested = module_find_by_addr(pair.pcs, BaseOfDll, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
}
/******************************************************************
* SymSetScopeFromAddr (DBGHELP.@)
*/
BOOL WINAPI SymSetScopeFromAddr(HANDLE hProcess, ULONG64 addr)
{
struct process* pcs;
FIXME("(%p %s): stub\n", hProcess, wine_dbgstr_longlong(addr));
if (!(pcs = process_find_by_handle(hProcess))) return FALSE;
return TRUE;
}
/******************************************************************
* 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;
regex_t re;
struct line_info* dli;
void* ptr;
SRCCODEINFO sci;
const char* file;
if (!cb) return FALSE;
if (!(dbghelp_options & SYMOPT_LOAD_LINES)) return TRUE;
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
if (compiland) FIXME("Unsupported yet (filtering on compiland %s)\n", compiland);
pair.requested = module_find_by_addr(pair.pcs, base, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
if (!compile_file_regex(&re, 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 = GET_ENTRY(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 (!match_regexp(&re, file)) sci.FileName[0] = '\0';
else strcpy(sci.FileName, file);
}
else if (sci.FileName[0])
{
sci.Key = dli;
sci.Obj[0] = '\0'; /* FIXME */
sci.LineNumber = dli->line_number;
sci.Address = dli->u.pc_offset;
if (!cb(&sci, user)) break;
}
}
}
regfree(&re);
return TRUE;
}
BOOL WINAPI SymGetLineFromName(HANDLE hProcess, PCSTR ModuleName, PCSTR FileName,
DWORD dwLineNumber, PLONG plDisplacement, PIMAGEHLP_LINE Line)
{
FIXME("(%p) (%s, %s, %d %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, %d %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, %d %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 = %s, index = %d, symbol = %p\n",
hProcess, wine_dbgstr_longlong(BaseOfDll), index, symbol);
return FALSE;
}
/******************************************************************
* SymFromIndexW (DBGHELP.@)
*
*/
BOOL WINAPI SymFromIndexW(HANDLE hProcess, ULONG64 BaseOfDll, DWORD index, PSYMBOL_INFOW symbol)
{
FIXME("hProcess = %p, BaseOfDll = %s, index = %d, symbol = %p\n",
hProcess, wine_dbgstr_longlong(BaseOfDll), index, symbol);
return FALSE;
}