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Diffstat (limited to '')
-rw-r--r-- | c/src/lib/libbsp/i386/pc386/tools/binpatch.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/c/src/lib/libbsp/i386/pc386/tools/binpatch.c b/c/src/lib/libbsp/i386/pc386/tools/binpatch.c deleted file mode 100644 index ab0900702a..0000000000 --- a/c/src/lib/libbsp/i386/pc386/tools/binpatch.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * $Id$ - */ - - -#include <stdio.h> -#include <stdlib.h> - -/* - * This function will patch binary file - */ - - -static char buf[512]; - -static void -usage(void) -{ - printf("usage: binpatch [-h] <ofile> <ifile> <reloc> <off> <byte0> " - "[<byte1> [<byte2> [<byte3>]]]\n"); - printf("this function patches binary file at specified offset with\n"); - printf("up to 4 bytes provided on command line \n"); - printf("-h - prints this message\n\n"); - printf("<ofile> - output file\n"); - printf("<ifile> - input ifile\n"); - printf("<reloc> - relocation address of image\n"); - printf("<off> - offset of patch, offset in file is at off - reloc\n"); - printf("<byte0> - byte 0 of patch\n"); - printf("<byte1> - byte 1 of patch\n"); - printf("<byte2> - byte 1 of patch\n"); - printf("<byte3> - byte 1 of patch\n"); - - return; -} - -int -main(int argc, char **argv) -{ - int c; - FILE *ofp, *ifp; - char patch[4], *end; - int patchLen, tmp, i, off, cnt, patched, len, reloc; - - - /* parse command line options */ - while ((c = getopt(argc, argv, "h")) >= 0) - { - switch (c) - { - case 'h': - usage(); - return 0; - default: - usage(); - return 1; - } - } - - if(argc < 6) - { - usage(); - return 1; - } - - /* Let us get offset in file */ - reloc = strtol(argv[3], &end, 0); - if(end == argv[3] || off < 0) - { - fprintf(stderr, "bad reloc value %s\n", argv[3]); - return 1; - } - - off = strtol(argv[4], &end, 0); - if(end == argv[4] || off < 0 || off < reloc) - { - fprintf(stderr, "bad offset value %s\n", argv[4]); - return 1; - } - - off -= reloc; - - /* Let us get patch */ - patchLen = argc - 5; - - for(i=0; i<patchLen; i++) - { - tmp = strtol(argv[5+i], &end, 0); - - if(end == argv[4+i] || tmp < 0 || tmp > 0xff) - { - fprintf(stderr, "bad byte value %s\n", argv[5+i]); - return 1; - } - patch[i] = tmp; - } - - ifp = fopen(argv[2], "r"); - if(ifp == NULL) - { - fprintf(stderr, "unable to open file %s\n", argv[2]); - return 1; - } - - ofp = fopen(argv[1], "w"); - if(ofp == NULL) - { - fprintf(stderr, "unable to open file %s\n", argv[1]); - return 1; - } - - cnt = 0; - patched = 0; - for(;;) - { - len = fread(buf, 1, sizeof(buf), ifp); - - if(len == 0) - { - break; - } - - if(cnt <= off && (cnt + len) > off) - { - /* Perform patch */ - for(i=0; i<patchLen && (off+i)<(cnt+len); i++) - { - buf[off-cnt+i] = patch[i]; - } - patched = 1; - } - else if(cnt > off && cnt < (off + patchLen)) - { - /* Perform patch */ - for(i=cnt-off; i<patchLen; i++) - { - buf[off-cnt+i] = patch[i]; - } - patched = 1; - } - - fwrite(buf, 1, len, ofp); - - cnt += len; - } - - fclose(ifp); - fclose(ofp); - - if(!patched) - { - fprintf(stderr, "warning: offset is beyond input file length\n"); - fprintf(stderr, " no patch is performed\n"); - } - - return 0; -} - - - - - - - - - - - - |