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dbghelp/msc: Better detect whether IPI stream is present. 

Old version of PDB files can have a stream #4 which is not an IPI stream
Available documentation isn't 100% clear about when IPI has been
introduced.
So decide that IPI is present when header of stream looks like a type
stream header.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-11-10 16:42:14 +01:00 committed by Alexandre Julliard
parent 92fabc64e5
commit 0c3274b526
1 changed files with 4 additions and 2 deletions
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6
dlls/dbghelp/msc.c
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@ -3047,6 +3047,7 @@ static BOOL pdb_init_type_parse(const struct msc_debug_info* msc_dbg,
break;
default:
ERR("-Unknown type info version %d\n", types.version);
return FALSE;
}
ctp->module = msc_dbg->module;
@ -3324,6 +3325,7 @@ static BOOL pdb_process_internal(const struct process* pcs,
BYTE* file;
int header_size = 0;
PDB_STREAM_INDEXES* psi;
BOOL ipi_ok;
pdb_convert_symbols_header(&symbols, &header_size, symbols_image);
switch (symbols.version)
@ -3363,7 +3365,7 @@ static BOOL pdb_process_internal(const struct process* pcs,
pdb_process_types(msc_dbg, pdb_file);
ipi_image = pdb_read_file(pdb_file, 4);
pdb_init_type_parse(msc_dbg, &ipi_ctp, ipi_image);
ipi_ok = pdb_init_type_parse(msc_dbg, &ipi_ctp, ipi_image);
/* Read global symbol table */
globalimage = pdb_read_file(pdb_file, symbols.gsym_file);
@ -3387,7 +3389,7 @@ static BOOL pdb_process_internal(const struct process* pcs,
modimage = pdb_read_file(pdb_file, sfile.file);
if (modimage)
{
struct cv_module_snarf cvmod = {&ipi_ctp, (const void*)(modimage + sfile.symbol_size), sfile.lineno2_size,
struct cv_module_snarf cvmod = {ipi_ok ? &ipi_ctp : NULL, (const void*)(modimage + sfile.symbol_size), sfile.lineno2_size,
files_image + 12, files_size};
codeview_snarf(msc_dbg, modimage, sizeof(DWORD), sfile.symbol_size,
&cvmod, TRUE);