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elf2dmp: rework PDB_STREAM_INDEXES::segments obtaining

Browse source 
PDB for Windows 11 kernel has slightly different structure compared to
previous versions. Since elf2dmp don't use the other fields, copy only
'segments' field from PDB_STREAM_INDEXES.

Signed-off-by: Viktor Prutyanov <viktor@daynix.com>
Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Message-id: 20230915170153.10959-6-viktor@daynix.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Viktor Prutyanov 2023-09-15 20:01:53 +03:00 committed by Peter Maydell
parent df7a75564e
commit 231f6a7d66
2 changed files with 5 additions and 12 deletions
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15
contrib/elf2dmp/pdb.c
View file

@ -160,7 +160,7 @@ static void *pdb_ds_read_file(struct pdb_reader* r, uint32_t file_number)
static int pdb_init_segments(struct pdb_reader *r)
{
char *segs;
unsigned stream_idx = r->sidx.segments;
unsigned stream_idx = r->segments;
segs = pdb_ds_read_file(r, stream_idx);
if (!segs) {
@ -177,9 +177,6 @@ static int pdb_init_symbols(struct pdb_reader *r)
{
int err = 0;
PDB_SYMBOLS *symbols;
PDB_STREAM_INDEXES *sidx = &r->sidx;
memset(sidx, -1, sizeof(*sidx));
symbols = pdb_ds_read_file(r, 3);
if (!symbols) {
@ -188,15 +185,11 @@ static int pdb_init_symbols(struct pdb_reader *r)
r->symbols = symbols;
if (symbols->stream_index_size != sizeof(PDB_STREAM_INDEXES)) {
err = 1;
goto out_symbols;
}
memcpy(sidx, (const char *)symbols + sizeof(PDB_SYMBOLS) +
r->segments = *(uint16_t *)((const char *)symbols + sizeof(PDB_SYMBOLS) +
symbols->module_size + symbols->offset_size +
symbols->hash_size + symbols->srcmodule_size +
symbols->pdbimport_size + symbols->unknown2_size, sizeof(*sidx));
symbols->pdbimport_size + symbols->unknown2_size +
offsetof(PDB_STREAM_INDEXES, segments));
/* Read global symbol table */
r->modimage = pdb_ds_read_file(r, symbols->gsym_file);

2
contrib/elf2dmp/pdb.h
View file

@ -227,7 +227,7 @@ struct pdb_reader {
} ds;
uint32_t file_used[1024];
PDB_SYMBOLS *symbols;
PDB_STREAM_INDEXES sidx;
uint16_t segments;
uint8_t *modimage;
char *segs;
size_t segs_size;