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authorViktor Prutyanov <viktor@daynix.com>2023-09-15 20:01:53 +0300
committerPeter Maydell <peter.maydell@linaro.org>2023-09-21 16:13:54 +0100
commit231f6a7d66254a58bedbee458591b780e0a507b1 (patch)
tree90530b89f2c2ed2746fe0ce5a24878ee27a0bf30
parentdf7a75564e72b61213d5355c9ba8215244bb83bd (diff)
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elf2dmp: rework PDB_STREAM_INDEXES::segments obtaining
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>
-rw-r--r--contrib/elf2dmp/pdb.c15
-rw-r--r--contrib/elf2dmp/pdb.h2
2 files changed, 5 insertions, 12 deletions
diff --git a/contrib/elf2dmp/pdb.c b/contrib/elf2dmp/pdb.c
index adcfa7e..6ca5086 100644
--- a/contrib/elf2dmp/pdb.c
+++ b/contrib/elf2dmp/pdb.c
@@ -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);
diff --git a/contrib/elf2dmp/pdb.h b/contrib/elf2dmp/pdb.h
index 4ea8925..2a50da5 100644
--- a/contrib/elf2dmp/pdb.h
+++ b/contrib/elf2dmp/pdb.h
@@ -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;