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