1 /* MIPS specific symbolic name handling. 2 Copyright (C) 2000, 2001, 2002 Red Hat, Inc. 3 Written by Ulrich Drepper <drepper (at) redhat.com>, 2000. 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_mips.h> 23 24 25 /* Return of the backend. */ 26 const char * 27 mips_backend_name (void) 28 { 29 return "mips"; 30 } 31 32 33 /* Determine relocation type string for MIPS. */ 34 const char * 35 mips_reloc_type_name (int type, char *buf, size_t len) 36 { 37 static const char *map_table[] = 38 { 39 [R_MIPS_NONE] = "MIPS_NONE", 40 [R_MIPS_16] = "MIPS_16", 41 [R_MIPS_32] = "MIPS_32", 42 [R_MIPS_REL32] = "MIPS_REL32", 43 [R_MIPS_26] = "MIPS_26", 44 [R_MIPS_HI16] = "MIPS_HI16", 45 [R_MIPS_LO16] = "MIPS_LO16", 46 [R_MIPS_GPREL16] = "MIPS_GPREL16", 47 [R_MIPS_LITERAL] = "MIPS_LITERAL", 48 [R_MIPS_GOT16] = "MIPS_GOT16", 49 [R_MIPS_PC16] = "MIPS_PC16", 50 [R_MIPS_CALL16] = "MIPS_CALL16", 51 [R_MIPS_GPREL32] = "MIPS_GPREL32", 52 [R_MIPS_SHIFT5] = "MIPS_SHIFT5", 53 [R_MIPS_SHIFT6] = "MIPS_SHIFT6", 54 [R_MIPS_64] = "MIPS_64", 55 [R_MIPS_GOT_DISP] = "MIPS_GOT_DISP", 56 [R_MIPS_GOT_PAGE] = "MIPS_GOT_PAGE", 57 [R_MIPS_GOT_OFST] = "MIPS_GOT_OFST", 58 [R_MIPS_GOT_HI16] = "MIPS_GOT_HI16", 59 [R_MIPS_GOT_LO16] = "MIPS_GOT_LO16", 60 [R_MIPS_SUB] = "MIPS_SUB", 61 [R_MIPS_INSERT_A] = "MIPS_INSERT_A", 62 [R_MIPS_INSERT_B] = "MIPS_INSERT_B", 63 [R_MIPS_DELETE] = "MIPS_DELETE", 64 [R_MIPS_HIGHER] = "MIPS_HIGHER", 65 [R_MIPS_HIGHEST] = "MIPS_HIGHEST", 66 [R_MIPS_CALL_HI16] = "MIPS_CALL_HI16", 67 [R_MIPS_CALL_LO16] = "MIPS_CALL_LO16", 68 [R_MIPS_SCN_DISP] = "MIPS_SCN_DISP", 69 [R_MIPS_REL16] = "MIPS_REL16", 70 [R_MIPS_ADD_IMMEDIATE] = "MIPS_ADD_IMMEDIATE", 71 [R_MIPS_PJUMP] = "MIPS_PJUMP", 72 [R_MIPS_RELGOT] = "MIPS_RELGOT", 73 [R_MIPS_JALR] = "MIPS_JALR" 74 }; 75 76 if (type < 0 || type >= R_MIPS_NUM) 77 return NULL; 78 79 return map_table[type]; 80 } 81 82 83 const char * 84 mips_segment_type_name (int type, char *buf, size_t len) 85 { 86 static const struct 87 { 88 int type; 89 const char *str; 90 } mips_segments[] = 91 { 92 { PT_MIPS_REGINFO, "MIPS_REGINFO" }, 93 { PT_MIPS_RTPROC, "MIPS_RTPROC" }, 94 { PT_MIPS_OPTIONS, "MIPS_OPTIONS" } 95 }; 96 #define nsegments (sizeof (mips_segments) / sizeof (mips_segments[0])) 97 size_t cnt; 98 99 for (cnt = 0; cnt < nsegments; ++cnt) 100 if (type == mips_segments[cnt].type) 101 return mips_segments[cnt].str; 102 103 /* We don't know the segment type. */ 104 return NULL; 105 } 106 107 108 const char * 109 mips_section_type_name (int type, char *buf, size_t len) 110 { 111 static const struct 112 { 113 int type; 114 const char *str; 115 } mips_sections[] = 116 { 117 { SHT_MIPS_LIBLIST, "MIPS_LIBLIST" }, 118 { SHT_MIPS_MSYM, "MIPS_MSYM" }, 119 { SHT_MIPS_CONFLICT, "MIPS_CONFLICT" }, 120 { SHT_MIPS_GPTAB, "MIPS_GPTAB" }, 121 { SHT_MIPS_UCODE, "MIPS_UCODE" }, 122 { SHT_MIPS_DEBUG, "MIPS_DEBUG" }, 123 { SHT_MIPS_REGINFO, "MIPS_REGINFO" }, 124 { SHT_MIPS_PACKAGE, "MIPS_PACKAGE" }, 125 { SHT_MIPS_PACKSYM, "MIPS_PACKSYM" }, 126 { SHT_MIPS_RELD, "MIPS_RELD" }, 127 { SHT_MIPS_IFACE, "MIPS_IFACE" }, 128 { SHT_MIPS_CONTENT, "MIPS_CONTENT" }, 129 { SHT_MIPS_OPTIONS, "MIPS_OPTIONS" }, 130 { SHT_MIPS_SHDR, "MIPS_SHDR" }, 131 { SHT_MIPS_FDESC, "MIPS_FDESC" }, 132 { SHT_MIPS_EXTSYM, "MIPS_EXTSYM" }, 133 { SHT_MIPS_DENSE, "MIPS_DENSE" }, 134 { SHT_MIPS_PDESC, "MIPS_PDESC" }, 135 { SHT_MIPS_LOCSYM, "MIPS_LOCSYM" }, 136 { SHT_MIPS_AUXSYM, "MIPS_AUXSYM" }, 137 { SHT_MIPS_OPTSYM, "MIPS_OPTSYM" }, 138 { SHT_MIPS_LOCSTR, "MIPS_LOCSTR" }, 139 { SHT_MIPS_LINE, "MIPS_LINE" }, 140 { SHT_MIPS_RFDESC, "MIPS_RFDESC" }, 141 { SHT_MIPS_DELTASYM, "MIPS_DELTASYM" }, 142 { SHT_MIPS_DELTAINST, "MIPS_DELTAINST" }, 143 { SHT_MIPS_DELTACLASS, "MIPS_DELTACLASS" }, 144 { SHT_MIPS_DWARF, "MIPS_DWARF" }, 145 { SHT_MIPS_DELTADECL, "MIPS_DELTADECL" }, 146 { SHT_MIPS_SYMBOL_LIB, "MIPS_SYMBOL_LIB" }, 147 { SHT_MIPS_EVENTS, "MIPS_EVENTS" }, 148 { SHT_MIPS_TRANSLATE, "MIPS_TRANSLATE" }, 149 { SHT_MIPS_PIXIE, "MIPS_PIXIE" }, 150 { SHT_MIPS_XLATE, "MIPS_XLATE" }, 151 { SHT_MIPS_XLATE_DEBUG, "MIPS_XLATE_DEBUG" }, 152 { SHT_MIPS_WHIRL, "MIPS_WHIRL" }, 153 { SHT_MIPS_EH_REGION, "MIPS_EH_REGION" }, 154 { SHT_MIPS_XLATE_OLD, "MIPS_XLATE_OLD" }, 155 { SHT_MIPS_PDR_EXCEPTION, "MIPS_PDR_EXCEPTION" } 156 }; 157 #define nsections (sizeof (mips_sections) / sizeof (mips_sections[0])) 158 size_t cnt; 159 160 for (cnt = 0; cnt < nsections; ++cnt) 161 if (type == mips_sections[cnt].type) 162 return mips_sections[cnt].str; 163 164 /* We don't know the section type. */ 165 return NULL; 166 } 167 168 169 const char * 170 mips_machine_flag_name (Elf64_Word *flags) 171 { 172 static const struct 173 { 174 unsigned int mask; 175 unsigned int flag; 176 const char *str; 177 } mips_flags[] = 178 { 179 { EF_MIPS_NOREORDER, EF_MIPS_NOREORDER, "noreorder" }, 180 { EF_MIPS_PIC, EF_MIPS_PIC, "pic" }, 181 { EF_MIPS_CPIC, EF_MIPS_CPIC, "cpic" }, 182 { EF_MIPS_ABI2, EF_MIPS_ABI2, "abi2" }, 183 { EF_MIPS_ARCH, E_MIPS_ARCH_1, "mips1" }, 184 { EF_MIPS_ARCH, E_MIPS_ARCH_2, "mips2" }, 185 { EF_MIPS_ARCH, E_MIPS_ARCH_3, "mips3" }, 186 { EF_MIPS_ARCH, E_MIPS_ARCH_4, "mips4" }, 187 { EF_MIPS_ARCH, E_MIPS_ARCH_5, "mips5" } 188 }; 189 #define nflags (sizeof (mips_flags) / sizeof (mips_flags[0])) 190 size_t cnt; 191 192 for (cnt = 0; cnt < nflags; ++cnt) 193 if ((*flags & mips_flags[cnt].mask) == mips_flags[cnt].flag) 194 { 195 *flags &= ~mips_flags[cnt].mask; 196 return mips_flags[cnt].str; 197 } 198 199 /* We don't know the flag. */ 200 return NULL; 201 } 202 203 204 const char * 205 mips_dynamic_tag_name (int64_t tag, char *buf, size_t len) 206 { 207 static const struct 208 { 209 int tag; 210 const char *str; 211 } mips_dtags[] = 212 { 213 { DT_MIPS_RLD_VERSION, "MIPS_RLD_VERSION" }, 214 { DT_MIPS_TIME_STAMP, "MIPS_TIME_STAMP" }, 215 { DT_MIPS_ICHECKSUM, "MIPS_ICHECKSUM" }, 216 { DT_MIPS_IVERSION, "MIPS_IVERSION" }, 217 { DT_MIPS_FLAGS, "MIPS_FLAGS" }, 218 { DT_MIPS_BASE_ADDRESS, "MIPS_BASE_ADDRESS" }, 219 { DT_MIPS_MSYM, "MIPS_MSYM" }, 220 { DT_MIPS_CONFLICT, "MIPS_CONFLICT" }, 221 { DT_MIPS_LIBLIST, "MIPS_LIBLIST" }, 222 { DT_MIPS_LOCAL_GOTNO, "MIPS_LOCAL_GOTNO" }, 223 { DT_MIPS_CONFLICTNO, "MIPS_CONFLICTNO" }, 224 { DT_MIPS_LIBLISTNO, "MIPS_LIBLISTNO" }, 225 { DT_MIPS_SYMTABNO, "MIPS_SYMTABNO" }, 226 { DT_MIPS_UNREFEXTNO, "MIPS_UNREFEXTNO" }, 227 { DT_MIPS_GOTSYM, "MIPS_GOTSYM" }, 228 { DT_MIPS_HIPAGENO, "MIPS_HIPAGENO" }, 229 { DT_MIPS_RLD_MAP, "MIPS_RLD_MAP" }, 230 { DT_MIPS_DELTA_CLASS, "MIPS_DELTA_CLASS" }, 231 { DT_MIPS_DELTA_CLASS_NO, "MIPS_DELTA_CLASS_NO" }, 232 { DT_MIPS_DELTA_INSTANCE, "MIPS_DELTA_INSTANCE" }, 233 { DT_MIPS_DELTA_INSTANCE_NO, "MIPS_DELTA_INSTANCE_NO" }, 234 { DT_MIPS_DELTA_RELOC, "MIPS_DELTA_RELOC" }, 235 { DT_MIPS_DELTA_RELOC_NO, "MIPS_DELTA_RELOC_NO" }, 236 { DT_MIPS_DELTA_SYM, "MIPS_DELTA_SYM" }, 237 { DT_MIPS_DELTA_SYM_NO, "MIPS_DELTA_SYM_NO" }, 238 { DT_MIPS_DELTA_CLASSSYM, "MIPS_DELTA_CLASSSYM" }, 239 { DT_MIPS_DELTA_CLASSSYM_NO, "MIPS_DELTA_CLASSSYM_NO" }, 240 { DT_MIPS_CXX_FLAGS, "MIPS_CXX_FLAGS" }, 241 { DT_MIPS_PIXIE_INIT, "MIPS_PIXIE_INIT" }, 242 { DT_MIPS_SYMBOL_LIB, "MIPS_SYMBOL_LIB" }, 243 { DT_MIPS_LOCALPAGE_GOTIDX, "MIPS_LOCALPAGE_GOTIDX" }, 244 { DT_MIPS_LOCAL_GOTIDX, "MIPS_LOCAL_GOTIDX" }, 245 { DT_MIPS_HIDDEN_GOTIDX, "MIPS_HIDDEN_GOTIDX" }, 246 { DT_MIPS_PROTECTED_GOTIDX, "MIPS_PROTECTED_GOTIDX" }, 247 { DT_MIPS_OPTIONS, "MIPS_OPTIONS" }, 248 { DT_MIPS_INTERFACE, "MIPS_INTERFACE" }, 249 { DT_MIPS_DYNSTR_ALIGN, "MIPS_DYNSTR_ALIGN" }, 250 { DT_MIPS_INTERFACE_SIZE, "MIPS_INTERFACE_SIZE" }, 251 { DT_MIPS_RLD_TEXT_RESOLVE_ADDR, "MIPS_RLD_TEXT_RESOLVE_ADDR" }, 252 { DT_MIPS_PERF_SUFFIX, "MIPS_PERF_SUFFIX" }, 253 { DT_MIPS_COMPACT_SIZE, "MIPS_COMPACT_SIZE" }, 254 { DT_MIPS_GP_VALUE, "MIPS_GP_VALUE" }, 255 { DT_MIPS_AUX_DYNAMIC, "MIPS_AUX_DYNAMIC" }, 256 }; 257 #define ndtags (sizeof (mips_dtags) / sizeof (mips_dtags[0])) 258 size_t cnt; 259 260 for (cnt = 0; cnt < ndtags; ++cnt) 261 if (tag == mips_dtags[cnt].tag) 262 return mips_dtags[cnt].str; 263 264 /* We don't know this dynamic tag. */ 265 return NULL; 266 } 267
