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dbghelp/pdb: Handle a block in DEBUG_S_LINES subsection spreading across several symbols. 

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-11-08 14:59:47 +01:00 committed by Alexandre Julliard
parent cab92c90e0
commit bfc0edb8cf
1 changed files with 11 additions and 12 deletions
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23
dlls/dbghelp/msc.c
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@ -1480,7 +1480,6 @@ 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 struct cv_module_snarf* cvmod)
{
unsigned i;
DWORD_PTR addr;
const void* hdr_last = (const char*)cvmod->dbgsubsect + cvmod->dbgsubsect_size;
const struct CV_DebugSSubsectionHeader_t* hdr;
const struct CV_DebugSSubsectionHeader_t* hdr_next;
@ -1512,6 +1511,7 @@ static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const
hdr_next = CV_RECORD_GAP(hdr, hdr->cbLen);
if (!(hdr->type & DEBUG_S_IGNORE))
{
ULONG_PTR lineblk_base;
/* FIXME: should also check that whole lines_blk fits in linetab + size */
switch (hdr->type)
{
@ -1520,7 +1520,6 @@ static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const
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);
@ -1531,20 +1530,20 @@ static void codeview_snarf_linetab2(const struct msc_debug_info* msc_dbg, const
}
source = source_new(msc_dbg->module, NULL,
(chksms->strOffset < cvmod->strsize) ? cvmod->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;
}
lineblk_base = codeview_get_address(msc_dbg, lines_hdr->segCon, lines_hdr->offCon);
lines = CV_RECORD_AFTER(files_hdr);
for (i = 0; i < files_hdr->nLines; i++)
{
func = (struct symt_function*)symt_find_nearest(msc_dbg->module, lineblk_base + lines[i].offset);
/* 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 + lines[i].offset, lineblk_base + lines[i].offset, func ? func->symt.tag : -1);
continue;
}
symt_add_func_line(msc_dbg->module, func, source,
lines[i].linenumStart,
func->address + lines[i].offset);
lines[i].linenumStart, lineblk_base + lines[i].offset);
}
break;
case DEBUG_S_FILECHKSMS: /* skip */