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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,175 @@ | ||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
| #include <time.h> | ||
| #include <string.h> | ||
| #ifndef __stupidos__ | ||
| # include <libgen.h> | ||
| #endif | ||
| #include <coff.h> | ||
|
|
||
| static const struct { | ||
| int magic; | ||
| char *machine; | ||
| } MACHINES[] = { | ||
| {F_MACH_AM33, "Matsushita AM33"}, | ||
| {F_MACH_AMD64, "Intel amd64"}, | ||
| {F_MACH_ARM, "ARM"}, | ||
| {F_MACH_ARMNT, "ARM Thumb-2"}, | ||
| {F_MACH_EBC, "EFI byte code"}, | ||
| {F_MACH_I386, "Intel 80386"}, | ||
| {F_MACH_IA64, "IA64"}, | ||
| {F_MACH_M32R, "Mitsubishi M32R"}, | ||
| /* TODO */ | ||
| {F_MACH_UNKNOWN, "unknown"} | ||
| }; | ||
|
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| /* */ | ||
| static const char *prg_name; | ||
| static const char *mach = NULL; | ||
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| /* */ | ||
| static int display_header = 0; | ||
| static int display_program_header = 0; | ||
| static int display_sections = 0; | ||
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|
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| static void | ||
| usage(int retval) | ||
| { | ||
| if (retval == EXIT_FAILURE) | ||
| { | ||
| fprintf(stderr, "Try '%s -h' for more informations.", prg_name); | ||
| } | ||
| else | ||
| { | ||
| printf("Usage: %s [OPTIONS...] [FILES]\n", prg_name); | ||
| printf("Options are:\n"); | ||
| printf("\t-a\tEquivalent to: -H -l -S -s -r -d -v -A -I\n"); | ||
| printf("\t-H\tDisplay the COFF file header\n"); | ||
| } | ||
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| exit(retval); | ||
| } | ||
|
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| static void | ||
| version(void) | ||
| { | ||
| printf("%s (%s) %s", prg_name, MK_PACKAGE, MK_COMMIT); | ||
| exit(EXIT_SUCCESS); | ||
| } | ||
|
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||
| int | ||
| main(int argc, char **argv) | ||
| { | ||
| FILHDR file_header; | ||
| AOUTHDR aout_header; | ||
| SCNHDR section_header; | ||
| char name[9]; | ||
| char *type; | ||
| FILE *fp; | ||
| int idx; | ||
| time_t timedat; | ||
|
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||
| #ifndef __stupidos__ | ||
| prg_name = basename(argv[0]); | ||
| #else | ||
| prg_name = argv[0]; | ||
| #endif | ||
|
|
||
| while ((argc > 1) && (argv[1][0] == '-')) | ||
| { | ||
| switch (argv[1][1]) | ||
| { | ||
| case 'a': | ||
| display_header = 1; | ||
| display_program_header = 1; | ||
| display_sections = 1; | ||
| break; | ||
| case 'H': | ||
| display_header = 1; | ||
| break; | ||
| case 'h': | ||
| usage(EXIT_SUCCESS); | ||
| break; | ||
| case 'V': | ||
| version(); | ||
| break; | ||
| } | ||
|
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| argv++; | ||
| argc--; | ||
| } | ||
|
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| if (argc <= 1) usage(EXIT_FAILURE); | ||
|
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| fp = fopen(argv[1], "rb"); | ||
| if (fp == NULL) | ||
| { | ||
| return (EXIT_FAILURE); | ||
| } | ||
|
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||
| if (display_header) | ||
| { | ||
| if (fread(&file_header, 1, FILHSZ, fp) != FILHSZ) | ||
| { | ||
| return (EXIT_FAILURE); | ||
| } | ||
|
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||
| for (idx = 0; MACHINES[idx].magic != F_MACH_UNKNOWN; idx++) | ||
| { | ||
| if (MACHINES[idx].magic == file_header.f_magic) | ||
| { | ||
| mach = MACHINES[idx].machine; | ||
| break; | ||
| } | ||
| } | ||
| if (mach == NULL) return (EXIT_FAILURE); | ||
|
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||
| printf("COFF Header:\n"); | ||
| printf(" Machine: %s\n", mach); | ||
| printf(" Number of section headers: %hd\n", file_header.f_nscns); | ||
| timedat = file_header.f_timdat; | ||
| printf(" Created at: %s", ctime(&timedat)); | ||
| printf(" Start of Symbol Table: %d (bytes into file)\n", file_header.f_symptr); | ||
| printf(" Number of Symbols: %d\n", file_header.f_nsyms); | ||
| printf(" Size of optional header: %hu\n", file_header.f_opthdr); | ||
| printf(" Flags: 0x%hx\n\n", file_header.f_flags); | ||
| } | ||
|
|
||
| if (display_sections) | ||
| { | ||
| fseek(fp, file_header.f_opthdr + FILHSZ, SEEK_SET); | ||
| printf("Section Headers:\n"); | ||
| printf("[Nr] Name Type Address Offset\n"); | ||
| printf(" Size\n"); | ||
| for (idx = 0; idx < file_header.f_nscns; idx++) | ||
| { | ||
| if (fread(§ion_header, 1, SCNHSZ, fp) != SCNHSZ) | ||
| { | ||
| return (EXIT_FAILURE); | ||
| } | ||
|
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||
| memset(name, 0, 9); | ||
| memcpy(name, section_header.s_name, 8); | ||
| if (section_header.s_flags & STYP_TEXT) | ||
| { | ||
| type = "TEXT"; | ||
| } else if (section_header.s_flags & STYP_DATA) | ||
| { | ||
| type = "DATA"; | ||
| } | ||
| else if (section_header.s_flags & STYP_BSS) | ||
| { | ||
| type = "BSS"; | ||
| } | ||
| else | ||
| { | ||
| type = "???"; | ||
| } | ||
| printf("[%2d] %-8s %-8s %08X %08X\n", idx, name, type, section_header.s_vaddr, section_header.s_scnptr); | ||
| printf(" %08X\n", section_header.s_size); | ||
| } | ||
| } | ||
|
|
||
| return (EXIT_SUCCESS); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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@@ -6,7 +6,6 @@ The "Hungarian" notation conventions MUST be used. | |
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| Comments: | ||
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| TO BE ADDED | ||
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| About: C | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| #include <coff.h> |