Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* IA-64 specific symbolic name handling. |
| 2 | Copyright (C) 2002, 2003, 2005 Red Hat, Inc. |
| 3 | Written by Ulrich Drepper <drepper@redhat.com>, 2002. |
| 4 | |
| 5 | This program is Open Source software; you can redistribute it and/or |
| 6 | modify it under the terms of the Open Software License version 1.0 as |
| 7 | published by the Open Source Initiative. |
| 8 | |
| 9 | You should have received a copy of the Open Software License along |
| 10 | with this program; if not, you may obtain a copy of the Open Software |
| 11 | License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| 12 | by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 13 | 3001 King Ranch Road, Ukiah, CA 95482. */ |
| 14 | |
| 15 | #ifdef HAVE_CONFIG_H |
| 16 | # include <config.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <elf.h> |
| 20 | #include <stddef.h> |
| 21 | |
| 22 | #include <libebl_ia64.h> |
| 23 | |
| 24 | |
| 25 | /* Return of the backend. */ |
| 26 | const char * |
| 27 | ia64_backend_name (void) |
| 28 | { |
| 29 | return "ia64"; |
| 30 | } |
| 31 | |
| 32 | |
| 33 | /* Relocation mapping table. */ |
| 34 | static const char *reloc_map_table[] = |
| 35 | { |
| 36 | [R_IA64_NONE] = "R_IA64_NONE", |
| 37 | [R_IA64_IMM14] = "R_IA64_IMM14", |
| 38 | [R_IA64_IMM22] = "R_IA64_IMM22", |
| 39 | [R_IA64_IMM64] = "R_IA64_IMM64", |
| 40 | [R_IA64_DIR32MSB] = "R_IA64_DIR32MSB", |
| 41 | [R_IA64_DIR32LSB] = "R_IA64_DIR32LSB", |
| 42 | [R_IA64_DIR64MSB] = "R_IA64_DIR64MSB", |
| 43 | [R_IA64_DIR64LSB] = "R_IA64_DIR64LSB", |
| 44 | [R_IA64_GPREL22] = "R_IA64_GPREL22", |
| 45 | [R_IA64_GPREL64I] = "R_IA64_GPREL64I", |
| 46 | [R_IA64_GPREL32MSB] = "R_IA64_GPREL32MSB", |
| 47 | [R_IA64_GPREL32LSB] = "R_IA64_GPREL32LSB", |
| 48 | [R_IA64_GPREL64MSB] = "R_IA64_GPREL64MSB", |
| 49 | [R_IA64_GPREL64LSB] = "R_IA64_GPREL64LSB", |
| 50 | [R_IA64_LTOFF22] = "R_IA64_LTOFF22", |
| 51 | [R_IA64_LTOFF64I] = "R_IA64_LTOFF64I", |
| 52 | [R_IA64_PLTOFF22] = "R_IA64_PLTOFF22", |
| 53 | [R_IA64_PLTOFF64I] = "R_IA64_PLTOFF64I", |
| 54 | [R_IA64_PLTOFF64MSB] = "R_IA64_PLTOFF64MSB", |
| 55 | [R_IA64_PLTOFF64LSB] = "R_IA64_PLTOFF64LSB", |
| 56 | [R_IA64_FPTR64I] = "R_IA64_FPTR64I", |
| 57 | [R_IA64_FPTR32MSB] = "R_IA64_FPTR32MSB", |
| 58 | [R_IA64_FPTR32LSB] = "R_IA64_FPTR32LSB", |
| 59 | [R_IA64_FPTR64MSB] = "R_IA64_FPTR64MSB", |
| 60 | [R_IA64_FPTR64LSB] = "R_IA64_FPTR64LSB", |
| 61 | [R_IA64_PCREL60B] = "R_IA64_PCREL60B", |
| 62 | [R_IA64_PCREL21B] = "R_IA64_PCREL21B", |
| 63 | [R_IA64_PCREL21M] = "R_IA64_PCREL21M", |
| 64 | [R_IA64_PCREL21F] = "R_IA64_PCREL21F", |
| 65 | [R_IA64_PCREL32MSB] = "R_IA64_PCREL32MSB", |
| 66 | [R_IA64_PCREL32LSB] = "R_IA64_PCREL32LSB", |
| 67 | [R_IA64_PCREL64MSB] = "R_IA64_PCREL64MSB", |
| 68 | [R_IA64_PCREL64LSB] = "R_IA64_PCREL64LSB", |
| 69 | [R_IA64_LTOFF_FPTR22] = "R_IA64_LTOFF_FPTR22", |
| 70 | [R_IA64_LTOFF_FPTR64I] = "R_IA64_LTOFF_FPTR64I", |
| 71 | [R_IA64_LTOFF_FPTR32MSB] = "R_IA64_LTOFF_FPTR32MSB", |
| 72 | [R_IA64_LTOFF_FPTR32LSB] = "R_IA64_LTOFF_FPTR32LSB", |
| 73 | [R_IA64_LTOFF_FPTR64MSB] = "R_IA64_LTOFF_FPTR64MSB", |
| 74 | [R_IA64_LTOFF_FPTR64LSB] = "R_IA64_LTOFF_FPTR64LSB", |
| 75 | [R_IA64_SEGREL32MSB] = "R_IA64_SEGREL32MSB", |
| 76 | [R_IA64_SEGREL32LSB] = "R_IA64_SEGREL32LSB", |
| 77 | [R_IA64_SEGREL64MSB] = "R_IA64_SEGREL64MSB", |
| 78 | [R_IA64_SEGREL64LSB] = "R_IA64_SEGREL64LSB", |
| 79 | [R_IA64_SECREL32MSB] = "R_IA64_SECREL32MSB", |
| 80 | [R_IA64_SECREL32LSB] = "R_IA64_SECREL32LSB", |
| 81 | [R_IA64_SECREL64MSB] = "R_IA64_SECREL64MSB", |
| 82 | [R_IA64_SECREL64LSB] = "R_IA64_SECREL64LSB", |
| 83 | [R_IA64_REL32MSB] = "R_IA64_REL32MSB", |
| 84 | [R_IA64_REL32LSB] = "R_IA64_REL32LSB", |
| 85 | [R_IA64_REL64MSB] = "R_IA64_REL64MSB", |
| 86 | [R_IA64_REL64LSB] = "R_IA64_REL64LSB", |
| 87 | [R_IA64_LTV32MSB] = "R_IA64_LTV32MSB", |
| 88 | [R_IA64_LTV32LSB] = "R_IA64_LTV32LSB", |
| 89 | [R_IA64_LTV64MSB] = "R_IA64_LTV64MSB", |
| 90 | [R_IA64_LTV64LSB] = "R_IA64_LTV64LSB", |
| 91 | [R_IA64_PCREL21BI] = "R_IA64_PCREL21BI", |
| 92 | [R_IA64_PCREL22] = "R_IA64_PCREL22", |
| 93 | [R_IA64_PCREL64I] = "R_IA64_PCREL64I", |
| 94 | [R_IA64_IPLTMSB] = "R_IA64_IPLTMSB", |
| 95 | [R_IA64_IPLTLSB] = "R_IA64_IPLTLSB", |
| 96 | [R_IA64_COPY] = "R_IA64_COPY", |
| 97 | [R_IA64_SUB] = "R_IA64_SUB", |
| 98 | [R_IA64_LTOFF22X] = "R_IA64_LTOFF22X", |
| 99 | [R_IA64_LDXMOV] = "R_IA64_LDXMOV", |
| 100 | [R_IA64_TPREL14] = "R_IA64_TPREL14", |
| 101 | [R_IA64_TPREL22] = "R_IA64_TPREL22", |
| 102 | [R_IA64_TPREL64I] = "R_IA64_TPREL64I", |
| 103 | [R_IA64_TPREL64MSB] = "R_IA64_TPREL64MSB", |
| 104 | [R_IA64_TPREL64LSB] = "R_IA64_TPREL64LSB", |
| 105 | [R_IA64_LTOFF_TPREL22] = "R_IA64_LTOFF_TPREL22", |
| 106 | [R_IA64_DTPMOD64MSB] = "R_IA64_DTPMOD64MSB", |
| 107 | [R_IA64_DTPMOD64LSB] = "R_IA64_DTPMOD64LSB", |
| 108 | [R_IA64_LTOFF_DTPMOD22] = "R_IA64_LTOFF_DTPMOD22", |
| 109 | [R_IA64_DTPREL14] = "R_IA64_DTPREL14", |
| 110 | [R_IA64_DTPREL22] = "R_IA64_DTPREL22", |
| 111 | [R_IA64_DTPREL64I] = "R_IA64_DTPREL64I", |
| 112 | [R_IA64_DTPREL32MSB] = "R_IA64_DTPREL32MSB", |
| 113 | [R_IA64_DTPREL32LSB] = "R_IA64_DTPREL32LSB", |
| 114 | [R_IA64_DTPREL64MSB] = "R_IA64_DTPREL64MSB", |
| 115 | [R_IA64_DTPREL64LSB] = "R_IA64_DTPREL64LSB", |
| 116 | [R_IA64_LTOFF_DTPREL22] = "R_IA64_LTOFF_DTPREL22" |
| 117 | }; |
| 118 | |
| 119 | |
| 120 | /* Determine relocation type string for IA-64. */ |
| 121 | const char * |
| 122 | ia64_reloc_type_name (int type, char *buf __attribute__ ((unused)), |
| 123 | size_t len __attribute__ ((unused))) |
| 124 | { |
| 125 | if (type < 0 |
| 126 | || ((size_t) type |
| 127 | >= sizeof (reloc_map_table) / sizeof (reloc_map_table[0]))) |
| 128 | return NULL; |
| 129 | |
| 130 | return reloc_map_table[type]; |
| 131 | } |
| 132 | |
| 133 | |
| 134 | /* Check for correct relocation type. */ |
| 135 | bool |
| 136 | ia64_reloc_type_check (int type) |
| 137 | { |
| 138 | return (type >= R_IA64_NONE |
| 139 | && ((size_t) type |
| 140 | < sizeof (reloc_map_table) / sizeof (reloc_map_table[0])) |
| 141 | && reloc_map_table[type] != NULL) ? true : false; |
| 142 | } |
| 143 | |
| 144 | |
| 145 | const char * |
| 146 | ia64_segment_type_name (int segment, char *buf __attribute__ ((unused)), |
| 147 | size_t len __attribute__ ((unused))) |
| 148 | { |
| 149 | switch (segment) |
| 150 | { |
| 151 | case PT_IA_64_ARCHEXT: |
| 152 | return "IA_64_ARCHEXT"; |
| 153 | case PT_IA_64_UNWIND: |
| 154 | return "IA_64_UNWIND"; |
| 155 | case PT_IA_64_HP_OPT_ANOT: |
| 156 | return "IA_64_HP_OPT_ANOT"; |
| 157 | case PT_IA_64_HP_HSL_ANOT: |
| 158 | return "IA_64_HP_HSL_ANOT"; |
| 159 | case PT_IA_64_HP_STACK: |
| 160 | return "IA_64_HP_STACK"; |
| 161 | default: |
| 162 | break; |
| 163 | } |
| 164 | return NULL; |
| 165 | } |
| 166 | |
| 167 | |
| 168 | const char * |
| 169 | ia64_dynamic_tag_name (int64_t tag, char *buf __attribute__ ((unused)), |
| 170 | size_t len __attribute__ ((unused))) |
| 171 | { |
| 172 | switch (tag) |
| 173 | { |
| 174 | case DT_IA_64_PLT_RESERVE: |
| 175 | return "IA_64_PLT_RESERVE"; |
| 176 | default: |
| 177 | break; |
| 178 | } |
| 179 | return NULL; |
| 180 | } |
| 181 | |
| 182 | /* Check whether given relocation is a copy relocation. */ |
| 183 | bool |
| 184 | ia64_copy_reloc_p (int reloc) |
| 185 | { |
| 186 | return reloc == R_IA64_COPY; |
| 187 | } |