Sweden-Number/dlls/dbghelp/source.c

344 lines
10 KiB
C

/*
* File source.c - source files management
*
* Copyright (C) 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 <assert.h>
#include "dbghelp_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dbghelp);
static struct module* rb_module;
struct source_rb
{
struct wine_rb_entry entry;
unsigned source;
};
int source_rb_compare(const void *key, const struct wine_rb_entry *entry)
{
const struct source_rb *t = WINE_RB_ENTRY_VALUE(entry, const struct source_rb, entry);
return strcmp((const char*)key, rb_module->sources + t->source);
}
/******************************************************************
* source_find
*
* check whether a source file has already been stored
*/
static unsigned source_find(const char* name)
{
struct wine_rb_entry* e;
e = wine_rb_get(&rb_module->sources_offsets_tree, name);
if (!e) return -1;
return WINE_RB_ENTRY_VALUE(e, struct source_rb, entry)->source;
}
/******************************************************************
* source_new
*
* checks if source exists. if not, add it
*/
unsigned source_new(struct module* module, const char* base, const char* name)
{
unsigned ret = -1;
const char* full;
char* tmp = NULL;
if (!name) return ret;
if (!base || *name == '/')
full = name;
else
{
unsigned bsz = strlen(base);
tmp = HeapAlloc(GetProcessHeap(), 0, bsz + 1 + strlen(name) + 1);
if (!tmp) return ret;
full = tmp;
strcpy(tmp, base);
if (bsz && tmp[bsz - 1] != '/') tmp[bsz++] = '/';
strcpy(&tmp[bsz], name);
}
rb_module = module;
if (!module->sources || (ret = source_find(full)) == (unsigned)-1)
{
char* new;
int len = strlen(full) + 1;
struct source_rb* rb;
if (module->sources_used + len + 1 > module->sources_alloc)
{
if (!module->sources)
{
module->sources_alloc = (module->sources_used + len + 1 + 255) & ~255;
new = HeapAlloc(GetProcessHeap(), 0, module->sources_alloc);
}
else
{
module->sources_alloc = max( module->sources_alloc * 2,
(module->sources_used + len + 1 + 255) & ~255 );
new = HeapReAlloc(GetProcessHeap(), 0, module->sources,
module->sources_alloc);
}
if (!new) goto done;
module->sources = new;
}
ret = module->sources_used;
memcpy(module->sources + module->sources_used, full, len);
module->sources_used += len;
module->sources[module->sources_used] = '\0';
if ((rb = pool_alloc(&module->pool, sizeof(*rb))))
{
rb->source = ret;
wine_rb_put(&module->sources_offsets_tree, full, &rb->entry);
}
}
done:
HeapFree(GetProcessHeap(), 0, tmp);
return ret;
}
/******************************************************************
* source_get
*
* returns a stored source file name
*/
const char* source_get(const struct module* module, unsigned idx)
{
if (idx == -1) return "";
assert(module->sources);
return module->sources + idx;
}
/******************************************************************
* SymEnumSourceFilesW (DBGHELP.@)
*
*/
BOOL WINAPI SymEnumSourceFilesW(HANDLE hProcess, ULONG64 ModBase, PCWSTR Mask,
PSYM_ENUMSOURCEFILES_CALLBACKW cbSrcFiles,
PVOID UserContext)
{
struct module_pair pair;
SOURCEFILEW sf;
char* ptr;
WCHAR* conversion_buffer = NULL;
DWORD conversion_buffer_len = 0;
if (!cbSrcFiles) return FALSE;
pair.pcs = process_find_by_handle(hProcess);
if (!pair.pcs) return FALSE;
if (ModBase)
{
pair.requested = module_find_by_addr(pair.pcs, ModBase, DMT_UNKNOWN);
if (!module_get_debug(&pair)) return FALSE;
}
else
{
if (Mask[0] == '!')
{
pair.requested = module_find_by_nameW(pair.pcs, Mask + 1);
if (!module_get_debug(&pair)) return FALSE;
}
else
{
FIXME("Unsupported yet (should get info from current context)\n");
return FALSE;
}
}
if (!pair.effective->sources) return FALSE;
for (ptr = pair.effective->sources; *ptr; ptr += strlen(ptr) + 1)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, ptr, -1, NULL, 0);
if (len > conversion_buffer_len)
{
HeapFree(GetProcessHeap(), 0, conversion_buffer);
conversion_buffer = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!conversion_buffer) return FALSE;
conversion_buffer_len = len;
}
MultiByteToWideChar(CP_ACP, 0, ptr, -1, conversion_buffer, len);
/* FIXME: not using Mask */
sf.ModBase = ModBase;
sf.FileName = conversion_buffer;
if (!cbSrcFiles(&sf, UserContext)) break;
}
HeapFree(GetProcessHeap(), 0, conversion_buffer);
return TRUE;
}
struct enum_sources_files_context
{
PSYM_ENUMSOURCEFILES_CALLBACK callbackA;
PVOID caller_context;
char *conversion_buffer;
DWORD conversion_buffer_len;
DWORD callback_error;
};
static BOOL CALLBACK enum_source_files_W_to_A(PSOURCEFILEW source_file, PVOID context)
{
struct enum_sources_files_context *ctx = context;
SOURCEFILE source_fileA;
DWORD len;
len = WideCharToMultiByte(CP_ACP, 0, source_file->FileName, -1, NULL, 0, NULL, NULL);
if (len > ctx->conversion_buffer_len)
{
char *ptr = ctx->conversion_buffer ? HeapReAlloc(GetProcessHeap(), 0, ctx->conversion_buffer, len) :
HeapAlloc(GetProcessHeap(), 0, len);
if (!ptr)
{
ctx->callback_error = ERROR_OUTOFMEMORY;
return FALSE;
}
ctx->conversion_buffer = ptr;
ctx->conversion_buffer_len = len;
}
WideCharToMultiByte(CP_ACP, 0, source_file->FileName, -1, ctx->conversion_buffer, len, NULL, NULL);
source_fileA.ModBase = source_file->ModBase;
source_fileA.FileName = ctx->conversion_buffer;
return ctx->callbackA(&source_fileA, ctx->caller_context);
}
/******************************************************************
* SymEnumSourceFiles (DBGHELP.@)
*
*/
BOOL WINAPI SymEnumSourceFiles(HANDLE hProcess, ULONG64 ModBase, PCSTR Mask,
PSYM_ENUMSOURCEFILES_CALLBACK cbSrcFiles,
PVOID UserContext)
{
WCHAR *maskW = NULL;
PSYM_ENUMSOURCEFILES_CALLBACKW callbackW;
PVOID context;
struct enum_sources_files_context callback_context = {cbSrcFiles, UserContext};
BOOL ret;
if (Mask)
{
DWORD len = MultiByteToWideChar(CP_ACP, 0, Mask, -1, NULL, 0);
maskW = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
if (!maskW)
{
SetLastError(ERROR_OUTOFMEMORY);
return FALSE;
}
MultiByteToWideChar(CP_ACP, 0, Mask, -1, maskW, len);
}
if (cbSrcFiles)
{
callbackW = enum_source_files_W_to_A;
context = &callback_context;
}
else
{
callbackW = NULL;
context = UserContext;
}
ret = SymEnumSourceFilesW(hProcess, ModBase, maskW, callbackW, context);
if (callback_context.callback_error)
{
SetLastError(callback_context.callback_error);
ret = FALSE;
}
HeapFree(GetProcessHeap(), 0, callback_context.conversion_buffer);
HeapFree(GetProcessHeap(), 0, maskW);
return ret;
}
/******************************************************************
* SymEnumSourceLines (DBGHELP.@)
*
*/
BOOL WINAPI SymEnumSourceLines(HANDLE hProcess, ULONG64 base, PCSTR obj,
PCSTR file, DWORD line, DWORD flags,
PSYM_ENUMLINES_CALLBACK EnumLinesCallback,
PVOID UserContext)
{
FIXME("%p %s %s %s %lu %lu %p %p: stub!\n",
hProcess, wine_dbgstr_longlong(base), debugstr_a(obj), debugstr_a(file),
line, flags, EnumLinesCallback, UserContext);
SetLastError(ERROR_NOT_SUPPORTED);
return FALSE;
}
/******************************************************************
* SymEnumSourceLinesW(DBGHELP.@)
*
*/
BOOL WINAPI SymEnumSourceLinesW(HANDLE hProcess, ULONG64 base, PCWSTR obj,
PCWSTR file, DWORD line, DWORD flags,
PSYM_ENUMLINES_CALLBACKW EnumLinesCallback,
PVOID UserContext)
{
FIXME("%p %s %s %s %lu %lu %p %p: stub!\n",
hProcess, wine_dbgstr_longlong(base), debugstr_w(obj), debugstr_w(file),
line, flags, EnumLinesCallback, UserContext);
SetLastError(ERROR_NOT_SUPPORTED);
return FALSE;
}
/******************************************************************
* SymGetSourceFileToken (DBGHELP.@)
*
*/
BOOL WINAPI SymGetSourceFileToken(HANDLE hProcess, ULONG64 base,
PCSTR src, PVOID* token, DWORD* size)
{
FIXME("%p %s %s %p %p: stub!\n",
hProcess, wine_dbgstr_longlong(base), debugstr_a(src), token, size);
SetLastError(ERROR_NOT_SUPPORTED);
return FALSE;
}
/******************************************************************
* SymGetSourceFileTokenW (DBGHELP.@)
*
*/
BOOL WINAPI SymGetSourceFileTokenW(HANDLE hProcess, ULONG64 base,
PCWSTR src, PVOID* token, DWORD* size)
{
FIXME("%p %s %s %p %p: stub!\n",
hProcess, wine_dbgstr_longlong(base), debugstr_w(src), token, size);
SetLastError(ERROR_NOT_SUPPORTED);
return FALSE;
}