1 /* 2 3 Copyright (C) 2000,2004 Silicon Graphics, Inc. All Rights Reserved. 4 Portions Copyright 2002-2010 Sun Microsystems, Inc. All rights reserved. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms of version 2.1 of the GNU Lesser General Public License 8 as published by the Free Software Foundation. 9 10 This program is distributed in the hope that it would be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 13 14 Further, this software is distributed without any warranty that it is 15 free of the rightful claim of any third person regarding infringement 16 or the like. Any license provided herein, whether implied or 17 otherwise, applies only to this software file. Patent licenses, if 18 any, provided herein do not apply to combinations of this program with 19 other software, or any other product whatsoever. 20 21 You should have received a copy of the GNU Lesser General Public 22 License along with this program; if not, write the Free Software 23 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, 24 USA. 25 26 Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, 27 Mountain View, CA 94043, or: 28 29 http://www.sgi.com 30 31 For further information regarding this notice, see: 32 33 http://oss.sgi.com/projects/GenInfo/NoticeExplan 34 35 */ 36 37 38 39 40 #define IS_64BIT(dbg) ((dbg)->de_flags & DW_DLC_SIZE_64 ? 1 : 0) 41 #define ISA_IA64(dbg) ((dbg)->de_flags & DW_DLC_ISA_IA64 ? 1 : 0) 42 43 /* definition of sizes of types, given target machine */ 44 #define sizeof_sbyte(dbg) sizeof(Dwarf_Sbyte) 45 #define sizeof_ubyte(dbg) sizeof(Dwarf_Ubyte) 46 #define sizeof_uhalf(dbg) sizeof(Dwarf_Half) 47 /* certain sizes not defined here, but set in dbg record. 48 See pro_init.c 49 */ 50 51 /* Computes amount of padding necessary to align n to a k-boundary. */ 52 /* Important: Assumes n, k both GREATER than zero. */ 53 #define PADDING(n, k) ( (k)-1 - ((n)-1)%(k) ) 54 55 /* The following defines are only important for users of the 56 ** producer part of libdwarf, and such should have these 57 ** defined correctly (as necessary) 58 ** by the #include <elf.h> done in pro_incl.h 59 ** before the #include "pro_util.h". 60 ** For others producer macros do not matter so 0 is a usable value, and 61 ** zero values let compilation succeed on more non-MIPS architectures. 62 ** A better approach would be welcome. 63 */ 64 /* R_MIPS* are #define so #ifndef works */ 65 /* R_IA_64* are not necessarily #define (might be enum) so #ifndef 66 is useless, we use the configure script generating 67 HAVE_R_IA_64_DIR32LSB and HAVE_R_IA64_DIR32LSB. 68 */ 69 #ifndef R_MIPS_64 70 #define R_MIPS_64 0 71 #endif 72 #ifndef R_MIPS_32 73 #define R_MIPS_32 0 74 #endif 75 #ifndef R_MIPS_SCN_DISP 76 #define R_MIPS_SCN_DISP 0 77 #endif 78 79 /* R_IA_64_DIR32LSB came before the now-standard R_IA64_DIR32LSB 80 (etc) was defined. This now deals with either form, 81 preferring the new form if available. */ 82 #ifdef HAVE_R_IA64_DIR32LSB 83 #define DWARF_PRO_R_IA64_DIR32LSB R_IA64_DIR32LSB 84 #define DWARF_PRO_R_IA64_DIR64LSB R_IA64_DIR64LSB 85 #define DWARF_PRO_R_IA64_SEGREL64LSB R_IA64_SEGREL64LSB 86 #define DWARF_PRO_R_IA64_SEGREL32LSB R_IA64_SEGREL32LSB 87 #endif 88 #if defined(HAVE_R_IA_64_DIR32LSB) && !defined(HAVE_R_IA64_DIR32LSB) 89 #define DWARF_PRO_R_IA64_DIR32LSB R_IA_64_DIR32LSB 90 #define DWARF_PRO_R_IA64_DIR64LSB R_IA_64_DIR64LSB 91 #define DWARF_PRO_R_IA64_SEGREL64LSB R_IA_64_SEGREL64LSB 92 #define DWARF_PRO_R_IA64_SEGREL32LSB R_IA_64_SEGREL32LSB 93 #endif 94 #if !defined(HAVE_R_IA_64_DIR32LSB) && !defined(HAVE_R_IA64_DIR32LSB) 95 #define DWARF_PRO_R_IA64_DIR32LSB 0 96 #define DWARF_PRO_R_IA64_DIR64LSB 0 97 #define DWARF_PRO_R_IA64_SEGREL64LSB 0 98 #define DWARF_PRO_R_IA64_SEGREL32LSB 0 99 #endif 100 101 /* 102 * The default "I don't know" value can't be zero. 103 * Because that's the sentinel value that means "no relocation". 104 * In order to use this library in 'symbolic relocation mode we 105 * don't care if this value is the right relocation value, 106 * only that it's non-NULL. So at the end, we define it 107 * to something sensible. 108 */ 109 110 111 112 #if defined(sun) 113 #if defined(sparc) 114 #define Get_REL64_isa(dbg) (R_SPARC_UA64) 115 #define Get_REL32_isa(dbg) (R_SPARC_UA32) 116 #define Get_REL_SEGREL_isa(dbg) (R_SPARC_NONE) /* I don't know! */ 117 #else /* i386 */ 118 #define Get_REL64_isa(dbg) (R_386_32) /* Any non-zero value is ok */ 119 #define Get_REL32_isa(dbg) (R_386_32) 120 #define Get_REL_SEGREL_isa(dbg) (R_386_NONE) /* I don't know! */ 121 #endif /* sparc || i386 */ 122 #else /* !sun */ 123 #ifdef HAVE_SYS_IA64_ELF_H 124 #define Get_REL64_isa(dbg) (ISA_IA64(dbg) ? \ 125 DWARF_PRO_R_IA64_DIR64LSB : R_MIPS_64) 126 #define Get_REL32_isa(dbg) (ISA_IA64(dbg) ? \ 127 DWARF_PRO_R_IA64_DIR32LSB : R_MIPS_32) 128 129 130 /* ia64 uses 32bit dwarf offsets for sections */ 131 #define Get_REL_SEGREL_isa(dbg) (ISA_IA64(dbg) ? \ 132 DWARF_PRO_R_IA64_SEGREL32LSB : R_MIPS_SCN_DISP) 133 #else /* HAVE_SYS_IA64_ELF_H */ 134 135 #if !defined(linux) && !defined(__BEOS__) 136 #define Get_REL64_isa(dbg) (R_MIPS_64) 137 #define Get_REL32_isa(dbg) (R_MIPS_32) 138 #define Get_REL_SEGREL_isa(dbg) (R_MIPS_SCN_DISP) 139 #else 140 #define Get_REL64_isa(dbg) (1) 141 #define Get_REL32_isa(dbg) (1) /* these are used on linux */ 142 #define Get_REL_SEGREL_isa(dbg) (1) /* non zero values, see comments above */ 143 #endif 144 145 #endif /* HAVE_SYS_IA64_ELF_H */ 146 #endif /* !sun */ 147 148 149