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winedump: Improve dumping DEBUG directory entries in PE images.

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- always add a data dump for unknown structures
- add some bits about POGO and REPRO entries
- protect against too small structures

Signed-off-by: Eric Pouech <epouech@codeweavers.com>
This commit is contained in:
Eric Pouech 2023-09-25 17:48:44 +02:00 committed by Alexandre Julliard
parent fded7c1d71
commit 81c8c73de2
2 changed files with 62 additions and 11 deletions
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10
include/wine/mscvpdb.h
View file

@ -2820,3 +2820,13 @@ typedef struct OMFSourceModule
unsigned short cSeg;
unsigned int baseSrcFile[1];
} OMFSourceModule;
/* undocumented. IMAGE_DEBUG_TYPE_REPRO directory entry */
typedef struct
{
unsigned flags; /* only seen 0x20 */
GUID guid; /* guid used in CODEVIEW debug entry */
unsigned unk[3]; /* unknown, potentially hash of some internal parts of image */
unsigned debug_timestamp; /* used in all DEBUG entries as timestamp (including this one) */
} IMAGE_DEBUG_REPRO;

63
tools/winedump/pe.c
View file

@ -2169,17 +2169,58 @@ static void dump_dir_debug_dir(const IMAGE_DEBUG_DIRECTORY* idd, int idx)
dump_frame_pointer_omission(idd->PointerToRawData, idd->SizeOfData);
break;
case IMAGE_DEBUG_TYPE_MISC:
{
const IMAGE_DEBUG_MISC* misc = PRD(idd->PointerToRawData, idd->SizeOfData);
if (!misc) {printf("Can't get misc debug information\n"); break;}
printf(" DataType: %u (%s)\n",
(UINT)misc->DataType, (misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown");
printf(" Length: %u\n", (UINT)misc->Length);
printf(" Unicode: %s\n", misc->Unicode ? "Yes" : "No");
printf(" Data: %s\n", misc->Data);
}
break;
default: break;
{
const IMAGE_DEBUG_MISC* misc = PRD(idd->PointerToRawData, idd->SizeOfData);
if (!misc || idd->SizeOfData < sizeof(*misc)) {printf("Can't get MISC debug information\n"); break;}
printf(" DataType: %u (%s)\n",
(UINT)misc->DataType, (misc->DataType == IMAGE_DEBUG_MISC_EXENAME) ? "Exe name" : "Unknown");
printf(" Length: %u\n", (UINT)misc->Length);
printf(" Unicode: %s\n", misc->Unicode ? "Yes" : "No");
printf(" Data: %s\n", misc->Data);
}
break;
case IMAGE_DEBUG_TYPE_POGO:
{
const unsigned* data = PRD(idd->PointerToRawData, idd->SizeOfData);
const unsigned* end = (const unsigned*)((const unsigned char*)data + idd->SizeOfData);
unsigned idx = 0;
if (!data || idd->SizeOfData < sizeof(unsigned)) {printf("Can't get PODO debug information\n"); break;}
printf(" Header: %08x\n", *(const unsigned*)data);
data++;
printf(" Index Name Offset Size\n");
while (data + 2 < end)
{
const char* ptr;
ptrdiff_t s;
if (!(ptr = memchr(&data[2], '\0', (const char*)end - (const char*)&data[2]))) break;
printf(" %-5u %-16s %08x %08x\n", idx, (const char*)&data[2], data[0], data[1]);
s = ptr - (const char*)&data[2] + 1;
data += 2 + ((s + sizeof(unsigned) - 1) / sizeof(unsigned));
idx++;
}
}
break;
case IMAGE_DEBUG_TYPE_REPRO:
{
const IMAGE_DEBUG_REPRO* repro = PRD(idd->PointerToRawData, idd->SizeOfData);
if (!repro || idd->SizeOfData < sizeof(*repro)) {printf("Can't get REPRO debug information\n"); break;}
printf(" Flags: %08X\n", repro->flags);
printf(" Guid: %s\n", get_guid_str(&repro->guid));
printf(" _unk0: %08X %u\n", repro->unk[0], repro->unk[0]);
printf(" _unk1: %08X %u\n", repro->unk[1], repro->unk[1]);
printf(" _unk2: %08X %u\n", repro->unk[2], repro->unk[2]);
printf(" Timestamp: %08X\n", repro->debug_timestamp);
}
break;
default:
{
const unsigned char* data = PRD(idd->PointerToRawData, idd->SizeOfData);
if (!data) {printf("Can't get debug information for %s\n", str); break;}
dump_data(data, idd->SizeOfData, " ");
}
break;
}
printf("\n");
}