1b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Add string to a section. 2b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Copyright (C) 2002 Red Hat, Inc. 3de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard This file is part of elfutils. 4b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper Written by Ulrich Drepper <drepper@redhat.com>, 2002. 5b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 6de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard This file is free software; you can redistribute it and/or modify 7de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard it under the terms of either 8b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 9de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard * the GNU Lesser General Public License as published by the Free 10de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard Software Foundation; either version 3 of the License, or (at 11de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard your option) any later version 12de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 13de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard or 14de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 15de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard * the GNU General Public License as published by the Free 16de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard Software Foundation; either version 2 of the License, or (at 17de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard your option) any later version 18de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 19de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard or both in parallel, as here. 20de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard 21de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard elfutils is distributed in the hope that it will be useful, but 22361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper WITHOUT ANY WARRANTY; without even the implied warranty of 23361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 24361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper General Public License for more details. 25361df7da6dfecd817b27e62b91752ac316d7cdd4Ulrich Drepper 26de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard You should have received copies of the GNU General Public License and 27de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard the GNU Lesser General Public License along with this program. If 28de2ed97f33139af5c7a0811e4ec66fc896a13cf2Mark Wielaard not, see <http://www.gnu.org/licenses/>. */ 29b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 30b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#ifdef HAVE_CONFIG_H 31b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper# include <config.h> 32b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 33b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 34b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <ctype.h> 35b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <stdio.h> 36b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <string.h> 37b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 38b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <libasmP.h> 39b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 40b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 41b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Add zero terminated string STR of size LEN to (sub)section ASMSCN. */ 42b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperint 431ccdfb683ad6c7e59793136c3a657ddf131cafd1Mark Wielaardasm_addstrz (AsmScn_t *asmscn, const char *str, size_t len) 44b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 45b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (asmscn == NULL) 46b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return -1; 47b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 48b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (unlikely (asmscn->type == SHT_NOBITS)) 49b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 50b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (len == 0) 51b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 52b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (str[0] != '\0') 53b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 54b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __libasm_seterrno (ASM_E_TYPE); 55b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return -1; 56b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 57b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 58b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 59b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 60b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper size_t cnt; 61b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 62b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper for (cnt = 0; cnt < len; ++cnt) 63b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (str[cnt] != '\0') 64b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 65b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __libasm_seterrno (ASM_E_TYPE); 66b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return -1; 67b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 68b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 69b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 70b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 71b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (len == 0) 72b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper len = strlen (str) + 1; 73b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 74b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (unlikely (asmscn->ctx->textp)) 75b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 76b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper bool nextline = true; 77b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 78b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper do 79b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 80b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (nextline) 81b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 82b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fputs ("\t.string\t\"", asmscn->ctx->out.file); 83b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper nextline = false; 84b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 85b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 86b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (*str == '\0') 87b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fputs ("\\000", asmscn->ctx->out.file); 88b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (! isascii (*str)) 89b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fprintf (asmscn->ctx->out.file, "\\%03o", 90b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper (unsigned int) *((unsigned char *)str)); 91b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (*str == '\\') 92b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fputs ("\\\\", asmscn->ctx->out.file); 93b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (*str == '\n') 94b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 95b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fputs ("\\n\"", asmscn->ctx->out.file); 96b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper nextline = true; 97b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 98b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 99b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fputc (*str, asmscn->ctx->out.file); 100b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 101b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper ++str; 102b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 103b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper while (--len > 0 && (len > 1 || *str != '\0')); 104b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 105b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (! nextline) 106b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper fputs ("\"\n", asmscn->ctx->out.file); 107b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 108b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 109b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 110b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Make sure there is enough room. */ 111b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (__libasm_ensure_section_space (asmscn, len) != 0) 112b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return -1; 113b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 114b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Copy the string. */ 115b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper memcpy (&asmscn->content->data[asmscn->content->len], str, len); 116b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 117b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Adjust the pointer in the data buffer. */ 118b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper asmscn->content->len += len; 119b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 120b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Increment the offset in the (sub)section. */ 121b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper asmscn->offset += len; 122b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 123b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 124b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return 0; 125b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 126