diff options
| -rw-r--r-- | contrib/elf2dmp/main.c | 71 |
1 files changed, 42 insertions, 29 deletions
diff --git a/contrib/elf2dmp/main.c b/contrib/elf2dmp/main.c index 9224764239..2f6028d8eb 100644 --- a/contrib/elf2dmp/main.c +++ b/contrib/elf2dmp/main.c @@ -333,6 +333,45 @@ static int fill_context(KDDEBUGGER_DATA64 *kdbg, return 0; } +static int pe_get_data_dir_entry(uint64_t base, void *start_addr, int idx, + void *entry, size_t size, struct va_space *vs) +{ + const char e_magic[2] = "MZ"; + const char Signature[4] = "PE\0\0"; + IMAGE_DOS_HEADER *dos_hdr = start_addr; + IMAGE_NT_HEADERS64 nt_hdrs; + IMAGE_FILE_HEADER *file_hdr = &nt_hdrs.FileHeader; + IMAGE_OPTIONAL_HEADER64 *opt_hdr = &nt_hdrs.OptionalHeader; + IMAGE_DATA_DIRECTORY *data_dir = nt_hdrs.OptionalHeader.DataDirectory; + + QEMU_BUILD_BUG_ON(sizeof(*dos_hdr) >= ELF2DMP_PAGE_SIZE); + + if (memcmp(&dos_hdr->e_magic, e_magic, sizeof(e_magic))) { + return 1; + } + + if (va_space_rw(vs, base + dos_hdr->e_lfanew, + &nt_hdrs, sizeof(nt_hdrs), 0)) { + return 1; + } + + if (memcmp(&nt_hdrs.Signature, Signature, sizeof(Signature)) || + file_hdr->Machine != 0x8664 || opt_hdr->Magic != 0x020b) { + return 1; + } + + if (va_space_rw(vs, + base + data_dir[idx].VirtualAddress, + entry, size, 0)) { + return 1; + } + + printf("Data directory entry #%d: RVA = 0x%08"PRIx32"\n", idx, + (uint32_t)data_dir[idx].VirtualAddress); + + return 0; +} + static int write_dump(struct pa_space *ps, WinDumpHeader64 *hdr, const char *name) { @@ -369,42 +408,16 @@ static int write_dump(struct pa_space *ps, static int pe_get_pdb_symstore_hash(uint64_t base, void *start_addr, char *hash, struct va_space *vs) { - const char e_magic[2] = "MZ"; - const char Signature[4] = "PE\0\0"; const char sign_rsds[4] = "RSDS"; - IMAGE_DOS_HEADER *dos_hdr = start_addr; - IMAGE_NT_HEADERS64 nt_hdrs; - IMAGE_FILE_HEADER *file_hdr = &nt_hdrs.FileHeader; - IMAGE_OPTIONAL_HEADER64 *opt_hdr = &nt_hdrs.OptionalHeader; - IMAGE_DATA_DIRECTORY *data_dir = nt_hdrs.OptionalHeader.DataDirectory; IMAGE_DEBUG_DIRECTORY debug_dir; OMFSignatureRSDS rsds; char *pdb_name; size_t pdb_name_sz; size_t i; - QEMU_BUILD_BUG_ON(sizeof(*dos_hdr) >= ELF2DMP_PAGE_SIZE); - - if (memcmp(&dos_hdr->e_magic, e_magic, sizeof(e_magic))) { - return 1; - } - - if (va_space_rw(vs, base + dos_hdr->e_lfanew, - &nt_hdrs, sizeof(nt_hdrs), 0)) { - return 1; - } - - if (memcmp(&nt_hdrs.Signature, Signature, sizeof(Signature)) || - file_hdr->Machine != 0x8664 || opt_hdr->Magic != 0x020b) { - return 1; - } - - printf("Debug Directory RVA = 0x%08"PRIx32"\n", - (uint32_t)data_dir[IMAGE_FILE_DEBUG_DIRECTORY].VirtualAddress); - - if (va_space_rw(vs, - base + data_dir[IMAGE_FILE_DEBUG_DIRECTORY].VirtualAddress, - &debug_dir, sizeof(debug_dir), 0)) { + if (pe_get_data_dir_entry(base, start_addr, IMAGE_FILE_DEBUG_DIRECTORY, + &debug_dir, sizeof(debug_dir), vs)) { + eprintf("Failed to get Debug Directory\n"); return 1; } |