Eric Pouech : winedump: Don't expect a fixed number of substreams in DBI header (PDB).
Module: wine Branch: master Commit: dee3be21a3d4ad0ce12e5fae521f3d5370a84db6 URL: https://gitlab.winehq.org/wine/wine/-/commit/dee3be21a3d4ad0ce12e5fae521f3d5... Author: Eric Pouech <epouech(a)codeweavers.com> Date: Tue Dec 12 08:14:20 2023 +0100 winedump: Don't expect a fixed number of substreams in DBI header (PDB). Signed-off-by: Eric Pouech <epouech(a)codeweavers.com> --- include/wine/mscvpdb.h | 8 ++++++ tools/winedump/pdb.c | 73 +++++++++++++++----------------------------------- 2 files changed, 29 insertions(+), 52 deletions(-) diff --git a/include/wine/mscvpdb.h b/include/wine/mscvpdb.h index 3502e0faed0..c0f9c70a4e1 100644 --- a/include/wine/mscvpdb.h +++ b/include/wine/mscvpdb.h @@ -2568,6 +2568,14 @@ typedef struct _PDB_SYMBOLS unsigned int resvd4; } PDB_SYMBOLS, *PPDB_SYMBOLS; +/* FIXME other entries are unknown */ +enum PDB_STREAM_INDEX +{ + PDB_SIDX_FPO, + PDB_SIDX_SECTIONS = 5, + PDB_SIDX_FPOEXT = 9 +}; + typedef struct { unsigned short FPO; diff --git a/tools/winedump/pdb.c b/tools/winedump/pdb.c index c028f2df2b6..dc59695a826 100644 --- a/tools/winedump/pdb.c +++ b/tools/winedump/pdb.c @@ -489,10 +489,8 @@ static void pdb_dump_symbols(struct pdb_reader* reader) unsigned char* modimage; const char* file; char tcver[32]; - PDB_STREAM_INDEXES sidx; - - sidx.FPO = sidx.unk0 = sidx.unk1 = sidx.unk2 = sidx.unk3 = sidx.sections_stream = - sidx.unk4 = sidx.unk5 = sidx.unk6 = sidx.FPO_EXT = sidx.unk7 = -1; + const unsigned short* sub_streams = NULL; + unsigned num_sub_streams = 0; symbols = reader->read_stream(reader, 3); if (!symbols) return; @@ -736,52 +734,20 @@ static void pdb_dump_symbols(struct pdb_reader* reader) } if (symbols->stream_index_size && globals_dump_sect("image")) { + const char* sub_stream_names[] = {"FPO", NULL, NULL, NULL, NULL, "Sections stream", NULL, NULL, NULL, "FPO-ext"}; + int i; + printf("\t------------stream indexes--------------\n"); - switch (symbols->stream_index_size) + num_sub_streams = symbols->stream_index_size / sizeof(sub_streams[0]); + sub_streams = (const unsigned short*)((const char*)symbols + sizeof(PDB_SYMBOLS) + symbols->module_size + + symbols->sectcontrib_size + symbols->segmap_size + symbols->srcmodule_size + + symbols->pdbimport_size + symbols->unknown2_size); + for (i = 0; i < num_sub_streams; i++) { - case sizeof(PDB_STREAM_INDEXES_OLD): - /* PDB_STREAM_INDEXES is a superset of PDB_STREAM_INDEX_OLD - * FIXME: to be confirmed when all fields are fully understood - */ - memcpy(&sidx, - (const char*)symbols + sizeof(PDB_SYMBOLS) + symbols->module_size + - symbols->sectcontrib_size + symbols->segmap_size + symbols->srcmodule_size + - symbols->pdbimport_size + symbols->unknown2_size, - sizeof(PDB_STREAM_INDEXES_OLD)); - printf("\tFPO: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\tSections stream: %04x\n", - sidx.FPO, sidx.unk0, sidx.unk1, sidx.unk2, sidx.unk3, - sidx.sections_stream); - break; - case sizeof(PDB_STREAM_INDEXES): - case sizeof(PDB_STREAM_INDEXES) + 2: - memcpy(&sidx, - (const char*)symbols + sizeof(PDB_SYMBOLS) + symbols->module_size + - symbols->sectcontrib_size + symbols->segmap_size + symbols->srcmodule_size + - symbols->pdbimport_size + symbols->unknown2_size, - sizeof(sidx)); - printf("\tFPO: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\tSection stream: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\t?: %04x\n" - "\tFPO-ext: %04x\n" - "\t?: %04x\n", - sidx.FPO, sidx.unk0, sidx.unk1, sidx.unk2, sidx.unk3, - sidx.sections_stream, sidx.unk4, sidx.unk5, sidx.unk6, sidx.FPO_EXT, - sidx.unk7); - break; - default: - printf("unexpected size for stream index %d\n", symbols->stream_index_size); - break; + const char* name = "?"; + if (i < ARRAY_SIZE(sub_stream_names) && sub_stream_names[i]) + name = sub_stream_names[i]; + printf("\t%s:%.*s%04x\n", name, (int)(21 - strlen(name)), "", sub_streams[i]); } } @@ -835,11 +801,14 @@ static void pdb_dump_symbols(struct pdb_reader* reader) dump_global_symbol(reader, symbols->global_hash_stream); dump_public_symbol(reader, symbols->public_stream); - if (globals_dump_sect("image")) + if (sub_streams && globals_dump_sect("image")) { - pdb_dump_fpo(reader, sidx.FPO); - pdb_dump_fpo_ext(reader, sidx.FPO_EXT); - pdb_dump_sections(reader, sidx.sections_stream); + if (PDB_SIDX_FPO < num_sub_streams) + pdb_dump_fpo(reader, sub_streams[PDB_SIDX_FPO]); + if (PDB_SIDX_FPOEXT < num_sub_streams) + pdb_dump_fpo_ext(reader, sub_streams[PDB_SIDX_FPOEXT]); + if (PDB_SIDX_SECTIONS < num_sub_streams) + pdb_dump_sections(reader, sub_streams[PDB_SIDX_SECTIONS]); } free(symbols);
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Alexandre Julliard