FreeCalypso > hg > freecalypso-reveng
view leo-obj/tool/chararray.c @ 401:4b6b595ae0a0
compal/boot/code-deriv: new analysis
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sat, 14 Jan 2023 23:59:23 +0000 |
parents | 069b79b36228 |
children |
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/* * Some COFF objects in TI's firmware semi-src are the result of compiling * a *.c file that contains nothing more than a const char array. Here * we support the extraction of these char arrays, to enable recompilation * with our choice of compiler toolchain. */ #include <sys/types.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include "intstruct.h" #include "coffconst.h" #include "globals.h" extern unsigned get_u16(), get_u32(); cmd_chararray(argc, argv) char **argv; { int c, sflag = 0; unsigned n, array_len; char *array_name; struct internal_syment *sym; u_char *dp; extern int optind; extern char *optarg; while ((c = getopt(argc, argv, "s:")) != EOF) switch (c) { case 's': array_len = strtoul(optarg, 0, 16); sflag = 1; continue; default: /* error msg already printed */ exit(1); } if (argc != optind + 1) { fprintf(stderr, "tiobjd chararray: name argument required\n"); exit(1); } array_name = argv[optind]; get_int_section_table(); get_int_symbol_table(); for (n = 0; n < nsymtab; n++) { sym = symtab[n]; if (!sym) continue; if (sym->class != C_EXT) continue; if (sym->name[0] != '_') continue; if (!strcmp(sym->name + 1, array_name)) goto found; } fprintf(stderr, "error: found no global symbol named %s\n", array_name); exit(1); found: if (!sym->section) { fprintf(stderr, "error: %s is not defined in a section\n", array_name); exit(1); } if (!sflag) { if (sym->type != 0x003C) { fprintf(stderr, "error: %s has type != array of u_char\n", array_name); exit(1); } if (!sym->aux) { fprintf(stderr, "error: %s has no Aux record\n", array_name); exit(1); } array_len = get_u16(sym->aux + 8); } dp = filemap + sym->section->data_offset + sym->value; printf("const unsigned char %s[%u] = {", array_name, array_len); for (n = 0; n < array_len; n++) { if (!(n & 15)) putchar('\n'); printf("0x%02X,", *dp++); } puts("\n};"); exit(0); }