diff options
Diffstat (limited to '')
| -rw-r--r-- | private/os2/client/thunk/ldrtabs/nedump.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/private/os2/client/thunk/ldrtabs/nedump.c b/private/os2/client/thunk/ldrtabs/nedump.c new file mode 100644 index 000000000..6175ac118 --- /dev/null +++ b/private/os2/client/thunk/ldrtabs/nedump.c @@ -0,0 +1,228 @@ +#include <stdio.h> +#include <ctype.h> +#include "newexe.h" + +main(argc, argv) +int argc; +char *argv[]; +{ +FILE *fp; +FILE *fp2; +unsigned char buffer[512]; +unsigned char tables[1024]; +unsigned long lfanew; +unsigned short enttabsize; +unsigned short restabsize; +unsigned short nrestabsize; +struct exe_hdr *pmz; +struct new_exe *pne; +char enttab[] = " ent"; +char restab[] = " res"; +char nrestab[] = " nres"; +char *arg; +long i; + + // + // The command usage is nedump <dll name> + // + if (argc != 2) { + printf("Usage: nedump file\n"); + return 1; + } + + if ((fp = fopen(argv[1], "rb")) == NULL) { + printf("nedump: can't open %s\n", argv[1]); + return 1; + } + + fread(buffer, 1, 512, fp); + + if (ferror(fp)) { + printf("nedump: read of file failed\n"); + return 1; + } + + pmz = (struct exe_hdr *) buffer; + + // + // Check for MZ + // + if (pmz->e_magic != EMAGIC) { + printf("nedump: ERROR_INVALID_EXE_SIGNATURE\n"); + return 1; + } + + if ((lfanew = pmz->e_lfanew) > 512) { + printf("nedump: ERROR_BOUND_APP\n"); + return 1; + } + + if (fseek(fp, lfanew, SEEK_SET)) { + printf("nedump: ERROR_SEEK_FAILED\n"); + return 1; + } + + fread(buffer, 1, 512, fp); + + if (ferror(fp)) { + printf("nedump: read of file failed\n"); + return 1; + } + + pne = (struct new_exe *) buffer; + + // + // Check for NE + // + if (pne->ne_magic != NEMAGIC) { + printf("nedump: ERROR_INVALID_EXE_SIGNATURE\n"); + } + + // + // Compute size of entry table + // + if ((enttabsize = pne->ne_nrestab - lfanew - pne->ne_enttab) > 1024) { + printf("nedump: Entry table bigger than 1024 bytes\n"); + return 1; + } + + if (fseek(fp, lfanew + pne->ne_enttab, SEEK_SET)) { + printf("nedump: ERROR_SEEK_FAILED\n"); + return 1; + } + + // + // Create output file names + // + arg = argv[1]; + enttab[0] = restab[0] = nrestab[0] = *arg++; + enttab[1] = restab[1] = nrestab[1] = *arg++; + enttab[2] = restab[2] = nrestab[2] = *arg++; + + // + // Read entry table + // + fread(tables, 1, 1024, fp); + + if (ferror(fp)) { + printf("nedump: read of file failed\n"); + return 1; + } + + + // + // Create Entry table + // + if ((fp2 = fopen(enttab, "w")) == NULL) { + printf("nedump: can't open %s\n", enttab); + return 1; + } + + fprintf(fp2, "UCHAR %stab[]= \n", enttab); + fprintf(fp2, "{\n"); + for (i=0; i<enttabsize; i++) { + fprintf(fp2, "0x%x", tables[i]); + if (i != enttabsize - 1) { + fprintf(fp2, ","); + } + else { + fprintf(fp2, "\n"); + } + if (i != 0 && i % 17 == 0) { + fprintf(fp2, "\n"); + } + } + + fprintf(fp2, "};\n"); + + fclose(fp2); + + // + // Compute resident name table size + // + if ((restabsize = pne->ne_modtab - pne->ne_restab) > 1024) { + printf("nedump: Resident name table bigger than 1024 bytes\n"); + return 1; + } + + if (fseek(fp, lfanew + pne->ne_restab, SEEK_SET)) { + printf("nedump: ERROR_SEEK_FAILED\n"); + return 1; + } + + fread(tables, 1, 1024, fp); + + if (ferror(fp)) { + printf("nedump: read of file failed\n"); + return 1; + } + if ((fp2 = fopen(restab, "w")) == NULL) { + printf("nedump: can't open %s\n", restab); + return 1; + } + + fprintf(fp2, "UCHAR %stab[]= \n", restab); + fprintf(fp2, "{\n"); + + for (i=0; i<restabsize; i++) { + fprintf(fp2, "0x%x", tables[i]); + if (i != restabsize - 1) { + fprintf(fp2, ","); + } + else { + fprintf(fp2, "\n"); + } + if (i != 0 && i % 15 == 0) { + fprintf(fp2, "\n"); + } + } + + fprintf(fp2, "};\n"); + + fclose(fp2); + + // + // Compute nonresident name table + // + if ((nrestabsize = pne->ne_cbnrestab) > 1024) { + printf("nedump: NonResident name table bigger than 1024 bytes\n"); + return 1; + } + + if (fseek(fp, pne->ne_nrestab, SEEK_SET)) { + printf("nedump: ERROR_SEEK_FAILED\n"); + return 1; + } + + fread(tables, 1, 1024, fp); + + if (ferror(fp)) { + printf("nedump: read of file failed\n"); + return 1; + } + if ((fp2 = fopen(nrestab, "w")) == NULL) { + printf("nedump: can't open %s\n", restab); + return 1; + } + + fprintf(fp2, "UCHAR %stab[]= \n", nrestab); + fprintf(fp2, "{\n"); + + for (i=0; i<nrestabsize; i++) { + fprintf(fp2, "0x%x", tables[i]); + if (i != nrestabsize - 1) { + fprintf(fp2, ","); + } + else { + fprintf(fp2, "\n"); + } + if (i != 0 && i % 15 == 0) { + fprintf(fp2, "\n"); + } + } + + fprintf(fp2, "};\n"); + + printf("nedump completed\n"); + return 0; +} |