1 /* Add integer to a section.
2 Copyright (C) 2002, 2005 Red Hat, Inc.
3 This file is part of elfutils.
4 Written by Ulrich Drepper <drepper@redhat.com>, 2002.
6 This file is free software; you can redistribute it and/or modify
7 it under the terms of either
9 * the GNU Lesser General Public License as published by the Free
10 Software Foundation; either version 3 of the License, or (at
11 your option) any later version
15 * the GNU General Public License as published by the Free
16 Software Foundation; either version 2 of the License, or (at
17 your option) any later version
19 or both in parallel, as here.
21 elfutils is distributed in the hope that it will be useful, but
22 WITHOUT ANY WARRANTY; without even the implied warranty of
23 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
24 General Public License for more details.
26 You should have received copies of the GNU General Public License and
27 the GNU Lesser General Public License along with this program. If
28 not, see <http://www.gnu.org/licenses/>. */
45 #define FCT(size) _FCT(size)
46 #define _FCT(size) asm_addint##size
47 #define TYPE(size) _TYPE(size)
48 #define _TYPE(size) int##size##_t
49 #define BSWAP(size) _BSWAP(size)
50 #define _BSWAP(size) bswap_##size
54 FCT(SIZE) (asmscn, num)
61 if (asmscn->type == SHT_NOBITS && unlikely (num != 0))
63 __libasm_seterrno (ASM_E_TYPE);
67 if (unlikely (asmscn->ctx->textp))
69 // XXX Needs to use backend specified pseudo-ops
71 fprintf (asmscn->ctx->out.file, "\t.byte\t%" PRId8 "\n", (int8_t) num);
73 fprintf (asmscn->ctx->out.file, "\t.value\t%" PRId16 "\n",
76 fprintf (asmscn->ctx->out.file, "\t.long\t%" PRId32 "\n",
80 // XXX This is not necessary for 64-bit machines
81 bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA]
84 fprintf (asmscn->ctx->out.file,
85 "\t.long\t%" PRId32 "\n\t.long\t%" PRId32 "\n",
87 ? num % 0x100000000ll : num / 0x100000000ll),
89 ? num / 0x100000000ll : num % 0x100000000ll));
95 bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA]
100 /* Make sure we have enough room. */
101 if (__libasm_ensure_section_space (asmscn, SIZE / 8) != 0)
105 if ((BYTE_ORDER == LITTLE_ENDIAN && !is_leb)
106 || (BYTE_ORDER == BIG_ENDIAN && is_leb))
107 var = BSWAP(SIZE) (var);
110 /* Copy the variable value. */
111 if (likely (asmscn->type == SHT_NOBITS))
112 memcpy (&asmscn->content->data[asmscn->content->len], &var, SIZE / 8);
114 /* Adjust the pointer in the data buffer. */
115 asmscn->content->len += SIZE / 8;
117 /* Increment the offset in the (sub)section. */
118 asmscn->offset += SIZE / 8;