modules.c (1994B)
1 /* 2 * Copyright (c) 2015 Kevin Wolf <kwolf@redhat.com> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 20 * THE SOFTWARE. 21 */ 22 23 #include "libc.h" 24 #include "multiboot.h" 25 26 int test_main(uint32_t magic, struct mb_info *mbi) 27 { 28 struct mb_module *mod; 29 unsigned int i; 30 31 (void) magic; 32 33 printf("Module list with %d entries at %x\n", 34 mbi->mods_count, mbi->mods_addr); 35 36 for (i = 0, mod = (struct mb_module*) mbi->mods_addr; 37 i < mbi->mods_count; 38 i++, mod++) 39 { 40 char buf[1024]; 41 unsigned int size = mod->mod_end - mod->mod_start; 42 43 printf("[%p] Module: %x - %x (%d bytes) '%s'\n", 44 mod, mod->mod_start, mod->mod_end, size, mod->string); 45 46 /* Print test file, but remove the newline at the end */ 47 if (size < sizeof(buf)) { 48 memcpy(buf, (void*) mod->mod_start, size); 49 buf[size - 1] = '\0'; 50 printf(" Content: '%s'\n", buf); 51 } 52 } 53 54 return 0; 55 }