Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 1 | /* Add string to a section. |
| 2 | Copyright (C) 2002 Red Hat, Inc. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 3 | This file is part of Red Hat elfutils. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 4 | Written by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 5 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 6 | Red Hat elfutils is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by the |
| 8 | Free Software Foundation; version 2 of the License. |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 9 | |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 10 | Red Hat elfutils is distributed in the hope that it will be useful, but |
| 11 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License along |
| 16 | with Red Hat elfutils; if not, write to the Free Software Foundation, |
Ulrich Drepper | 1e9ef50 | 2006-04-04 22:29:06 +0000 | [diff] [blame] | 17 | Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 18 | |
| 19 | Red Hat elfutils is an included package of the Open Invention Network. |
| 20 | An included package of the Open Invention Network is a package for which |
| 21 | Open Invention Network licensees cross-license their patents. No patent |
| 22 | license is granted, either expressly or impliedly, by designation as an |
| 23 | included package. Should you wish to participate in the Open Invention |
| 24 | Network licensing program, please visit www.openinventionnetwork.com |
| 25 | <http://www.openinventionnetwork.com>. */ |
Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame] | 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | # include <config.h> |
| 29 | #endif |
| 30 | |
| 31 | #include <ctype.h> |
| 32 | #include <stdio.h> |
| 33 | #include <string.h> |
| 34 | |
| 35 | #include <libasmP.h> |
| 36 | |
| 37 | |
| 38 | /* Add zero terminated string STR of size LEN to (sub)section ASMSCN. */ |
| 39 | int |
| 40 | asm_addstrz (asmscn, str, len) |
| 41 | AsmScn_t *asmscn; |
| 42 | const char *str; |
| 43 | size_t len; |
| 44 | { |
| 45 | if (asmscn == NULL) |
| 46 | return -1; |
| 47 | |
| 48 | if (unlikely (asmscn->type == SHT_NOBITS)) |
| 49 | { |
| 50 | if (len == 0) |
| 51 | { |
| 52 | if (str[0] != '\0') |
| 53 | { |
| 54 | __libasm_seterrno (ASM_E_TYPE); |
| 55 | return -1; |
| 56 | } |
| 57 | } |
| 58 | else |
| 59 | { |
| 60 | size_t cnt; |
| 61 | |
| 62 | for (cnt = 0; cnt < len; ++cnt) |
| 63 | if (str[cnt] != '\0') |
| 64 | { |
| 65 | __libasm_seterrno (ASM_E_TYPE); |
| 66 | return -1; |
| 67 | } |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | if (len == 0) |
| 72 | len = strlen (str) + 1; |
| 73 | |
| 74 | if (unlikely (asmscn->ctx->textp)) |
| 75 | { |
| 76 | bool nextline = true; |
| 77 | |
| 78 | do |
| 79 | { |
| 80 | if (nextline) |
| 81 | { |
| 82 | fputs ("\t.string\t\"", asmscn->ctx->out.file); |
| 83 | nextline = false; |
| 84 | } |
| 85 | |
| 86 | if (*str == '\0') |
| 87 | fputs ("\\000", asmscn->ctx->out.file); |
| 88 | else if (! isascii (*str)) |
| 89 | fprintf (asmscn->ctx->out.file, "\\%03o", |
| 90 | (unsigned int) *((unsigned char *)str)); |
| 91 | else if (*str == '\\') |
| 92 | fputs ("\\\\", asmscn->ctx->out.file); |
| 93 | else if (*str == '\n') |
| 94 | { |
| 95 | fputs ("\\n\"", asmscn->ctx->out.file); |
| 96 | nextline = true; |
| 97 | } |
| 98 | else |
| 99 | fputc (*str, asmscn->ctx->out.file); |
| 100 | |
| 101 | ++str; |
| 102 | } |
| 103 | while (--len > 0 && (len > 1 || *str != '\0')); |
| 104 | |
| 105 | if (! nextline) |
| 106 | fputs ("\"\n", asmscn->ctx->out.file); |
| 107 | } |
| 108 | else |
| 109 | { |
| 110 | /* Make sure there is enough room. */ |
| 111 | if (__libasm_ensure_section_space (asmscn, len) != 0) |
| 112 | return -1; |
| 113 | |
| 114 | /* Copy the string. */ |
| 115 | memcpy (&asmscn->content->data[asmscn->content->len], str, len); |
| 116 | |
| 117 | /* Adjust the pointer in the data buffer. */ |
| 118 | asmscn->content->len += len; |
| 119 | |
| 120 | /* Increment the offset in the (sub)section. */ |
| 121 | asmscn->offset += len; |
| 122 | } |
| 123 | |
| 124 | return 0; |
| 125 | } |