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Commit fbc65b80 authored by Eric Pouech's avatar Eric Pouech Committed by Alexandre Julliard
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dbghelp/pdb: Convert to new debug subsection definitions (in linetab2).

Signed-off-by: 's avatarEric Pouech <eric.pouech@gmail.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent d33ff5d8
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Showing with 59 additions and 99 deletions
dlls/dbghelp/msc.c
View file @ fbc65b80
......@@ -1465,70 +1465,81 @@ static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const
{
unsigned i;
DWORD_PTR addr;
const struct codeview_linetab2* lt2;
const struct codeview_linetab2* lt2_files = NULL;
const struct codeview_lt2blk_lines* lines_blk;
const struct codeview_linetab2_file*fd;
const struct CV_DebugSSubsectionHeader_t* hdr;
const struct CV_DebugSSubsectionHeader_t* hdr_next;
const struct CV_DebugSSubsectionHeader_t* hdr_files = NULL;
const struct CV_DebugSLinesHeader_t* lines_hdr;
const struct CV_DebugSLinesFileBlockHeader_t* files_hdr;
const struct CV_Line_t* lines;
const struct CV_Checksum_t* chksms;
unsigned source;
struct symt_function* func;
/* locate LT2_FILES_BLOCK (if any) */
lt2 = (const struct codeview_linetab2*)linetab;
while ((const BYTE*)(lt2 + 1) < linetab + size)
/* locate DEBUG_S_FILECHKSMS (if any) */
hdr = (const struct CV_DebugSSubsectionHeader_t*)linetab;
while (CV_IS_INSIDE(hdr, linetab + size))
{
if (lt2->header == LT2_FILES_BLOCK)
if (hdr->type == DEBUG_S_FILECHKSMS)
{
lt2_files = lt2;
hdr_files = hdr;
break;
}
lt2 = codeview_linetab2_next_block(lt2);
hdr = CV_RECORD_GAP(hdr, hdr->cbLen);
}
if (!lt2_files)
if (!hdr_files)
{
TRACE("No LT2_FILES_BLOCK found\n");
TRACE("No DEBUG_S_FILECHKSMS found\n");
return;
}
lt2 = (const struct codeview_linetab2*)linetab;
while ((const BYTE*)(lt2 + 1) < linetab + size)
{
/* FIXME: should also check that whole lines_blk fits in linetab + size */
switch (lt2->header)
{
case LT2_LINES_BLOCK:
/* Skip blocks that are too small - Intel C Compiler generates these. */
if (lt2->size_of_block < sizeof (struct codeview_lt2blk_lines)) break;
lines_blk = (const struct codeview_lt2blk_lines*)lt2;
/* FIXME: should check that file_offset is within the LT2_FILES_BLOCK we've seen */
addr = codeview_get_address(msc_dbg, lines_blk->seg, lines_blk->start);
TRACE("block from %04x:%08x #%x (%x lines)\n",
lines_blk->seg, lines_blk->start, lines_blk->size, lines_blk->nlines);
fd = (const struct codeview_linetab2_file*)((const char*)lt2_files + 8 + lines_blk->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 (!symt_check_tag(&func->symt, SymTagFunction) && !symt_check_tag(&func->symt, SymTagInlineSite))
hdr = (const struct CV_DebugSSubsectionHeader_t*)linetab;
while (CV_IS_INSIDE(hdr, linetab + size))
{
hdr_next = CV_RECORD_GAP(hdr, hdr->cbLen);
if (!(hdr->type & DEBUG_S_IGNORE))
{
/* FIXME: should also check that whole lines_blk fits in linetab + size */
switch (hdr->type)
{
WARN("--not a func at %04x:%08x %lx tag=%d\n",
lines_blk->seg, lines_blk->start, addr, func ? func->symt.tag : -1);
case DEBUG_S_LINES:
lines_hdr = CV_RECORD_AFTER(hdr);
files_hdr = CV_RECORD_AFTER(lines_hdr);
/* Skip blocks that are too small - Intel C Compiler generates these. */
if (!CV_IS_INSIDE(files_hdr, hdr_next)) break;
addr = codeview_get_address(msc_dbg, lines_hdr->segCon, lines_hdr->offCon);
TRACE("block from %04x:%08x #%x\n",
lines_hdr->segCon, lines_hdr->offCon, lines_hdr->cbCon);
chksms = CV_RECORD_GAP(hdr_files, files_hdr->offFile);
if (!CV_IS_INSIDE(chksms, CV_RECORD_GAP(hdr_files, hdr_files->cbLen)))
{
WARN("Corrupt PDB file: offset in CHKSMS subsection is invalid\n");
break;
}
source = source_new(msc_dbg->module, NULL,
(chksms->strOffset < strsize) ? strimage + chksms->strOffset : "<<stroutofbounds>>");
func = (struct symt_function*)symt_find_nearest(msc_dbg->module, addr);
/* FIXME: at least labels support line numbers */
if (!symt_check_tag(&func->symt, SymTagFunction) && !symt_check_tag(&func->symt, SymTagInlineSite))
{
WARN("--not a func at %04x:%08x %Ix tag=%d\n",
lines_hdr->segCon, lines_hdr->offCon, addr, func ? func->symt.tag : -1);
break;
}
lines = CV_RECORD_AFTER(files_hdr);
for (i = 0; i < files_hdr->nLines; i++)
{
symt_add_func_line(msc_dbg->module, func, source,
lines[i].linenumStart,
func->address + lines[i].offset);
}
break;
case DEBUG_S_FILECHKSMS: /* skip */
break;
default:
break;
}
for (i = 0; i < lines_blk->nlines; i++)
{
symt_add_func_line(msc_dbg->module, func, source,
lines_blk->l[i].lineno ^ 0x80000000,
func->address + lines_blk->l[i].offset);
}
break;
case LT2_FILES_BLOCK: /* skip */
break;
default:
TRACE("Block end %x\n", lt2->header);
lt2 = (const struct codeview_linetab2*)((const char*)linetab + size);
continue;
}
lt2 = codeview_linetab2_next_block(lt2);
hdr = hdr_next;
}
}
......
include/wine/mscvpdb.h
View file @ fbc65b80
......@@ -2279,57 +2279,6 @@ struct startend
unsigned int end;
};
#define LT2_LINES_BLOCK 0x000000f2
#define LT2_FILES_BLOCK 0x000000f4
/* there's a new line tab structure from MS Studio 2005 and after
* it's made of a list of codeview_linetab2 blocks.
* We've only seen (so far) list with a single LT2_FILES_BLOCK and several
* LT2_LINES_BLOCK. The LT2_FILES block has been encountered either as first
* or last block of the list.
* A LT2_FILES contains one or several codeview_linetab2_file:s
*/
struct codeview_linetab2
{
DWORD header;
DWORD size_of_block;
};
static inline const struct codeview_linetab2* codeview_linetab2_next_block(const struct codeview_linetab2* lt2)
{
return (const struct codeview_linetab2*)((const char*)(lt2 + 1) + lt2->size_of_block);
}
struct codeview_linetab2_file
{
DWORD offset; /* offset in string table for filename */
WORD unk; /* always 0x0110... type of following information ??? */
BYTE md5[16]; /* MD5 signature of file (signature on file's content or name ???) */
WORD pad0; /* always 0 */
};
struct codeview_lt2blk_files
{
struct codeview_linetab2 lt2; /* LT2_FILES */
struct codeview_linetab2_file file[1];
};
struct codeview_lt2blk_lines
{
struct codeview_linetab2 lt2; /* LT2_LINE_BLOCK */
DWORD start; /* start address of function with line numbers */
DWORD seg; /* segment of function with line numbers */
DWORD size; /* size of function with line numbers */
DWORD file_offset; /* offset for accessing corresponding codeview_linetab2_file */
DWORD nlines; /* number of lines in this block */
DWORD size_lines; /* number of bytes following for line number information */
struct {
DWORD offset; /* offset (from <seg>:<start>) for line number */
DWORD lineno; /* the line number (OR:ed with 0x80000000 why ???) */
} l[1]; /* actually array of <nlines> */
};
/* ======================================== *
* PDB file information
* ======================================== */
......
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