1b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper/* Add integer to a section. 2a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper Copyright (C) 2002, 2005 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 <byteswap.h> 35b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <endian.h> 36b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <inttypes.h> 37b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <string.h> 38b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 39b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#include <libasmP.h> 40b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 41b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#ifndef SIZE 42b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper# define SIZE 8 43b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 44b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 45b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define FCT(size) _FCT(size) 46b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define _FCT(size) asm_addint##size 47b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define TYPE(size) _TYPE(size) 48b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define _TYPE(size) int##size##_t 49b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define BSWAP(size) _BSWAP(size) 50b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#define _BSWAP(size) bswap_##size 51b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 52b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 53b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepperint 54aa1c2ca808a267a5a3c372de5461c1f67f9a8869Chih-Hung HsiehFCT(SIZE) (AsmScn_t *asmscn, TYPE(SIZE) num) 55b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper{ 56b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (asmscn == NULL) 57b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return -1; 58b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 59b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (asmscn->type == SHT_NOBITS && unlikely (num != 0)) 60b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 61b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper __libasm_seterrno (ASM_E_TYPE); 62b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return -1; 63b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 64b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 65b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (unlikely (asmscn->ctx->textp)) 66b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 67b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper // XXX Needs to use backend specified pseudo-ops 68b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (SIZE == 8) 69a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper fprintf (asmscn->ctx->out.file, "\t.byte\t%" PRId8 "\n", (int8_t) num); 70b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (SIZE == 16) 71a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper fprintf (asmscn->ctx->out.file, "\t.value\t%" PRId16 "\n", 72a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper (int16_t) num); 73b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else if (SIZE == 32) 74a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper fprintf (asmscn->ctx->out.file, "\t.long\t%" PRId32 "\n", 75a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper (int32_t) num); 76b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 77b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 78b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper // XXX This is not necessary for 64-bit machines 79b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA] 80b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper == ELFDATA2LSB); 81b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 82a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper fprintf (asmscn->ctx->out.file, 83a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper "\t.long\t%" PRId32 "\n\t.long\t%" PRId32 "\n", 84a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper (int32_t) (is_leb 85a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper ? num % 0x100000000ll : num / 0x100000000ll), 86a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper (int32_t) (is_leb 87a38998e815ccde5d90ff0800c31da255eb3430d3Ulrich Drepper ? num / 0x100000000ll : num % 0x100000000ll)); 88b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 89b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 90b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper else 91b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper { 92b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#if SIZE > 8 93b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA] 94b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper == ELFDATA2LSB); 95b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 96b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper TYPE(SIZE) var = num; 97b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 98b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Make sure we have enough room. */ 99b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (__libasm_ensure_section_space (asmscn, SIZE / 8) != 0) 100b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return -1; 101b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 102b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#if SIZE > 8 103b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if ((BYTE_ORDER == LITTLE_ENDIAN && !is_leb) 104b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper || (BYTE_ORDER == BIG_ENDIAN && is_leb)) 105b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper var = BSWAP(SIZE) (var); 106b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper#endif 107b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 108b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Copy the variable value. */ 109b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper if (likely (asmscn->type == SHT_NOBITS)) 110b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper memcpy (&asmscn->content->data[asmscn->content->len], &var, SIZE / 8); 111b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 112b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Adjust the pointer in the data buffer. */ 113b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper asmscn->content->len += SIZE / 8; 114b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 115b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper /* Increment the offset in the (sub)section. */ 116b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper asmscn->offset += SIZE / 8; 117b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper } 118b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper 119b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper return 0; 120b08d5a8fb42f4586d756068065186b5af7e48daUlrich Drepper} 121b08d5a8fb42f4586d756068065186b5af7e48daUlrich DrepperINTDEF(FCT(SIZE)) 122