1441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project/* Add integer to a section. 2cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Copyright (C) 2002, 2005 Red Hat, Inc. 3cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng This file is part of Red Hat elfutils. 4441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project Written by Ulrich Drepper <drepper@redhat.com>, 2002. 5441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 6cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is free software; you can redistribute it and/or modify 7cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng it under the terms of the GNU General Public License as published by the 8cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Free Software Foundation; version 2 of the License. 9441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 10cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is distributed in the hope that it will be useful, but 11cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng WITHOUT ANY WARRANTY; without even the implied warranty of 12cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng General Public License for more details. 14cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 15cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng You should have received a copy of the GNU General Public License along 16cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng with Red Hat elfutils; if not, write to the Free Software Foundation, 17cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. 18cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng 19cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Red Hat elfutils is an included package of the Open Invention Network. 20cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng An included package of the Open Invention Network is a package for which 21cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Open Invention Network licensees cross-license their patents. No patent 22cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng license is granted, either expressly or impliedly, by designation as an 23cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng included package. Should you wish to participate in the Open Invention 24cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng Network licensing program, please visit www.openinventionnetwork.com 25cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng <http://www.openinventionnetwork.com>. */ 26441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 27441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#ifdef HAVE_CONFIG_H 28441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project# include <config.h> 29441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#endif 30441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 31441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <byteswap.h> 32441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <endian.h> 33441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <inttypes.h> 34441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <string.h> 35441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 36441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#include <libasmP.h> 37441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 38441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#ifndef SIZE 39441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project# define SIZE 8 40441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#endif 41441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 42441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define FCT(size) _FCT(size) 43441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define _FCT(size) asm_addint##size 44441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define TYPE(size) _TYPE(size) 45441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define _TYPE(size) int##size##_t 46441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define BSWAP(size) _BSWAP(size) 47441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#define _BSWAP(size) bswap_##size 48441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 49441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 50441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Projectint 51441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source ProjectFCT(SIZE) (asmscn, num) 52441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project AsmScn_t *asmscn; 53441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project TYPE(SIZE) num; 54441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project{ 55441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (asmscn == NULL) 56441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1; 57441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 58441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (asmscn->type == SHT_NOBITS && unlikely (num != 0)) 59441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 60441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project __libasm_seterrno (ASM_E_TYPE); 61441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1; 62441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 63441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 64441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (unlikely (asmscn->ctx->textp)) 65441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 66441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project // XXX Needs to use backend specified pseudo-ops 67441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (SIZE == 8) 68cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng fprintf (asmscn->ctx->out.file, "\t.byte\t%" PRId8 "\n", (int8_t) num); 69441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else if (SIZE == 16) 70cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng fprintf (asmscn->ctx->out.file, "\t.value\t%" PRId16 "\n", 71cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (int16_t) num); 72441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else if (SIZE == 32) 73cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng fprintf (asmscn->ctx->out.file, "\t.long\t%" PRId32 "\n", 74cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (int32_t) num); 75441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 76441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 77441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project // XXX This is not necessary for 64-bit machines 78441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA] 79441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project == ELFDATA2LSB); 80441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 81cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng fprintf (asmscn->ctx->out.file, 82cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng "\t.long\t%" PRId32 "\n\t.long\t%" PRId32 "\n", 83cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (int32_t) (is_leb 84cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng ? num % 0x100000000ll : num / 0x100000000ll), 85cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng (int32_t) (is_leb 86cc6695e2684ce93cdf8bd2da63d55d2cf49ff076Ben Cheng ? num / 0x100000000ll : num % 0x100000000ll)); 87441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 88441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 89441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project else 90441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project { 91441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#if SIZE > 8 92441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project bool is_leb = (elf_getident (asmscn->ctx->out.elf, NULL)[EI_DATA] 93441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project == ELFDATA2LSB); 94441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#endif 95441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project TYPE(SIZE) var = num; 96441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 97441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Make sure we have enough room. */ 98441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (__libasm_ensure_section_space (asmscn, SIZE / 8) != 0) 99441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return -1; 100441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 101441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#if SIZE > 8 102441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if ((BYTE_ORDER == LITTLE_ENDIAN && !is_leb) 103441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project || (BYTE_ORDER == BIG_ENDIAN && is_leb)) 104441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project var = BSWAP(SIZE) (var); 105441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project#endif 106441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 107441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Copy the variable value. */ 108441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project if (likely (asmscn->type == SHT_NOBITS)) 109441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project memcpy (&asmscn->content->data[asmscn->content->len], &var, SIZE / 8); 110441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 111441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Adjust the pointer in the data buffer. */ 112441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project asmscn->content->len += SIZE / 8; 113441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 114441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project /* Increment the offset in the (sub)section. */ 115441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project asmscn->offset += SIZE / 8; 116441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project } 117441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project 118441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project return 0; 119441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source Project} 120441f72d43a9b550baa779fc82f70816da5f74f0eThe Android Open Source ProjectINTDEF(FCT(SIZE)) 121