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dbghelp: Add support for the newest line number information in pdb files.

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Eric Pouech 2008-09-29 21:32:38 +02:00 committed by Alexandre Julliard
parent 3dc37cbf94
commit 9bc74e3ab6
1 changed files with 69 additions and 1 deletions
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70
dlls/dbghelp/msc.c
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@ -4,7 +4,7 @@
*
* Copyright (C) 1996, Eric Youngdale.
* Copyright (C) 1999-2000, Ulrich Weigand.
* Copyright (C) 2004-2006, Eric Pouech.
* Copyright (C) 2004-2009, Eric Pouech.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -1324,6 +1324,52 @@ static void codeview_snarf_linetab(const struct msc_debug_info* msc_dbg, const B
}
}
static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const BYTE* linetab, DWORD size,
const char* strimage, DWORD strsize)
{
DWORD offset;
unsigned i;
DWORD addr;
const struct codeview_linetab2_block* lbh;
const struct codeview_linetab2_file* fd;
unsigned source;
struct symt_function* func;
if (*(const DWORD*)linetab != 0x000000f4) return;
offset = *((const DWORD*)linetab + 1);
for (lbh = (const struct codeview_linetab2_block*)(linetab + 8 + offset);
(const BYTE*)lbh < linetab + size;
lbh = (const struct codeview_linetab2_block*)((const char*)lbh + 8 + lbh->size_of_block))
{
if (lbh->header != 0x000000f2)
/* FIXME: should also check that whole lbh fits in linetab + size */
{
TRACE("block end %x\n", lbh->header);
break;
}
addr = codeview_get_address(msc_dbg, lbh->seg, lbh->start);
TRACE("block from %04x:%08x #%x (%x lines)\n",
lbh->seg, lbh->start, lbh->size, lbh->nlines);
fd = (const struct codeview_linetab2_file*)(linetab + 8 + lbh->file_offset);
/* FIXME: should check that string is within strimage + strsize */
source = source_new(msc_dbg->module, NULL, strimage + fd->offset);
func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
/* FIXME: at least labels support line numbers */
if (!func || func->symt.tag != SymTagFunction)
{
WARN("--not a func at %04x:%08x %x tag=%d\n",
lbh->seg, lbh->start, addr, func ? func->symt.tag : -1);
continue;
}
for (i = 0; i < lbh->nlines; i++)
{
symt_add_func_line(msc_dbg->module, func, source,
lbh->l[i].lineno ^ 0x80000000, lbh->l[i].offset - lbh->start);
}
}
}
/*========================================================================
* Process CodeView symbol information.
*/
@ -2351,6 +2397,8 @@ static BOOL pdb_process_internal(const struct process* pcs,
HANDLE hFile, hMap = NULL;
char* image = NULL;
BYTE* symbols_image = NULL;
char* files_image = NULL;
DWORD files_size = 0;
TRACE("Processing PDB file %s\n", pdb_lookup->filename);
@ -2386,6 +2434,21 @@ static BOOL pdb_process_internal(const struct process* pcs,
symbols.version, symbols.version);
}
files_image = pdb_read_file(image, pdb_lookup, 12); /* FIXME: really fixed ??? */
if (files_image)
{
if (*(const DWORD*)files_image == 0xeffeeffe)
{
files_size = *(const DWORD*)(files_image + 8);
}
else
{
WARN("wrong header %x expecting 0xeffeeffe\n", *(const DWORD*)files_image);
free(files_image);
files_image = NULL;
}
}
pdb_process_symbol_imports(pcs, msc_dbg, &symbols, symbols_image, image, pdb_lookup, module_index);
/* Read global symbol table */
@ -2419,6 +2482,10 @@ static BOOL pdb_process_internal(const struct process* pcs,
modimage + sfile.symbol_size,
sfile.lineno_size,
pdb_lookup->kind == PDB_JG);
if (files_image)
codeview_snarf_linetab2(msc_dbg, modimage + sfile.symbol_size + sfile.lineno_size,
pdb_get_file_size(pdb_lookup, sfile.file) - sfile.symbol_size - sfile.lineno_size,
files_image + 12, files_size);
pdb_free(modimage);
}
@ -2443,6 +2510,7 @@ static BOOL pdb_process_internal(const struct process* pcs,
leave:
/* Cleanup */
pdb_free(symbols_image);
pdb_free(files_image);
pdb_free_lookup(pdb_lookup);
if (image) UnmapViewOfFile(image);