1*3d8817e4Smiod /* Generic ECOFF support. 2*3d8817e4Smiod This does not include symbol information, found in sym.h and 3*3d8817e4Smiod symconst.h. 4*3d8817e4Smiod 5*3d8817e4Smiod Copyright 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. 6*3d8817e4Smiod 7*3d8817e4Smiod This program is free software; you can redistribute it and/or modify 8*3d8817e4Smiod it under the terms of the GNU General Public License as published by 9*3d8817e4Smiod the Free Software Foundation; either version 2 of the License, or 10*3d8817e4Smiod (at your option) any later version. 11*3d8817e4Smiod 12*3d8817e4Smiod This program is distributed in the hope that it will be useful, 13*3d8817e4Smiod but WITHOUT ANY WARRANTY; without even the implied warranty of 14*3d8817e4Smiod MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15*3d8817e4Smiod GNU General Public License for more details. 16*3d8817e4Smiod 17*3d8817e4Smiod You should have received a copy of the GNU General Public License 18*3d8817e4Smiod along with this program; if not, write to the Free Software 19*3d8817e4Smiod Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ 20*3d8817e4Smiod 21*3d8817e4Smiod #ifndef ECOFF_H 22*3d8817e4Smiod #define ECOFF_H 23*3d8817e4Smiod 24*3d8817e4Smiod /* Mips magic numbers used in filehdr. MIPS_MAGIC_LITTLE is used on 25*3d8817e4Smiod little endian machines. MIPS_MAGIC_BIG is used on big endian 26*3d8817e4Smiod machines. Where is MIPS_MAGIC_1 from? */ 27*3d8817e4Smiod #define MIPS_MAGIC_1 0x0180 28*3d8817e4Smiod #define MIPS_MAGIC_LITTLE 0x0162 29*3d8817e4Smiod #define MIPS_MAGIC_BIG 0x0160 30*3d8817e4Smiod 31*3d8817e4Smiod /* These are the magic numbers used for MIPS code compiled at ISA 32*3d8817e4Smiod level 2. */ 33*3d8817e4Smiod #define MIPS_MAGIC_LITTLE2 0x0166 34*3d8817e4Smiod #define MIPS_MAGIC_BIG2 0x0163 35*3d8817e4Smiod 36*3d8817e4Smiod /* These are the magic numbers used for MIPS code compiled at ISA 37*3d8817e4Smiod level 3. */ 38*3d8817e4Smiod #define MIPS_MAGIC_LITTLE3 0x142 39*3d8817e4Smiod #define MIPS_MAGIC_BIG3 0x140 40*3d8817e4Smiod 41*3d8817e4Smiod /* Alpha magic numbers used in filehdr. */ 42*3d8817e4Smiod #define ALPHA_MAGIC 0x183 43*3d8817e4Smiod #define ALPHA_MAGIC_BSD 0x185 44*3d8817e4Smiod /* A compressed version of an ALPHA_MAGIC file created by DEC's tools. */ 45*3d8817e4Smiod #define ALPHA_MAGIC_COMPRESSED 0x188 46*3d8817e4Smiod 47*3d8817e4Smiod /* Magic numbers used in a.out header. */ 48*3d8817e4Smiod #define ECOFF_AOUT_OMAGIC 0407 /* not demand paged (ld -N). */ 49*3d8817e4Smiod #define ECOFF_AOUT_ZMAGIC 0413 /* demand load format, eg normal ld output */ 50*3d8817e4Smiod 51*3d8817e4Smiod /* Names of special sections. */ 52*3d8817e4Smiod #define _TEXT ".text" 53*3d8817e4Smiod #define _DATA ".data" 54*3d8817e4Smiod #define _BSS ".bss" 55*3d8817e4Smiod #define _RDATA ".rdata" 56*3d8817e4Smiod #define _SDATA ".sdata" 57*3d8817e4Smiod #define _SBSS ".sbss" 58*3d8817e4Smiod #define _LITA ".lita" 59*3d8817e4Smiod #define _LIT4 ".lit4" 60*3d8817e4Smiod #define _LIT8 ".lit8" 61*3d8817e4Smiod #define _LIB ".lib" 62*3d8817e4Smiod #define _INIT ".init" 63*3d8817e4Smiod #define _FINI ".fini" 64*3d8817e4Smiod #define _PDATA ".pdata" 65*3d8817e4Smiod #define _XDATA ".xdata" 66*3d8817e4Smiod #define _GOT ".got" 67*3d8817e4Smiod #define _HASH ".hash" 68*3d8817e4Smiod #define _DYNSYM ".dynsym" 69*3d8817e4Smiod #define _DYNSTR ".dynstr" 70*3d8817e4Smiod #define _RELDYN ".rel.dyn" 71*3d8817e4Smiod #define _CONFLIC ".conflic" 72*3d8817e4Smiod #define _COMMENT ".comment" 73*3d8817e4Smiod #define _LIBLIST ".liblist" 74*3d8817e4Smiod #define _DYNAMIC ".dynamic" 75*3d8817e4Smiod #define _RCONST ".rconst" 76*3d8817e4Smiod 77*3d8817e4Smiod /* ECOFF uses some additional section flags. */ 78*3d8817e4Smiod #define STYP_RDATA 0x100 79*3d8817e4Smiod #define STYP_SDATA 0x200 80*3d8817e4Smiod #define STYP_SBSS 0x400 81*3d8817e4Smiod #define STYP_GOT 0x1000 82*3d8817e4Smiod #define STYP_DYNAMIC 0x2000 83*3d8817e4Smiod #define STYP_DYNSYM 0x4000 84*3d8817e4Smiod #define STYP_RELDYN 0x8000 85*3d8817e4Smiod #define STYP_DYNSTR 0x10000 86*3d8817e4Smiod #define STYP_HASH 0x20000 87*3d8817e4Smiod #define STYP_LIBLIST 0x40000 88*3d8817e4Smiod #define STYP_CONFLIC 0x100000 89*3d8817e4Smiod #define STYP_ECOFF_FINI 0x1000000 90*3d8817e4Smiod #define STYP_EXTENDESC 0x2000000 /* 0x02FFF000 bits => scn type, rest clr */ 91*3d8817e4Smiod #define STYP_LITA 0x4000000 92*3d8817e4Smiod #define STYP_LIT8 0x8000000 93*3d8817e4Smiod #define STYP_LIT4 0x10000000 94*3d8817e4Smiod #define STYP_ECOFF_LIB 0x40000000 95*3d8817e4Smiod #define STYP_ECOFF_INIT 0x80000000 96*3d8817e4Smiod #define STYP_OTHER_LOAD (STYP_ECOFF_INIT | STYP_ECOFF_FINI) 97*3d8817e4Smiod 98*3d8817e4Smiod /* extended section types */ 99*3d8817e4Smiod #define STYP_COMMENT 0x2100000 100*3d8817e4Smiod #define STYP_RCONST 0x2200000 101*3d8817e4Smiod #define STYP_XDATA 0x2400000 102*3d8817e4Smiod #define STYP_PDATA 0x2800000 103*3d8817e4Smiod 104*3d8817e4Smiod /* The linker needs a section to hold small common variables while 105*3d8817e4Smiod linking. There is no convenient way to create it when the linker 106*3d8817e4Smiod needs it, so we always create one for each BFD. We then avoid 107*3d8817e4Smiod writing it out. */ 108*3d8817e4Smiod #define SCOMMON ".scommon" 109*3d8817e4Smiod 110*3d8817e4Smiod /* If the extern bit in a reloc is 1, then r_symndx is an index into 111*3d8817e4Smiod the external symbol table. If the extern bit is 0, then r_symndx 112*3d8817e4Smiod indicates a section, and is one of the following values. */ 113*3d8817e4Smiod #define RELOC_SECTION_NONE 0 114*3d8817e4Smiod #define RELOC_SECTION_TEXT 1 115*3d8817e4Smiod #define RELOC_SECTION_RDATA 2 116*3d8817e4Smiod #define RELOC_SECTION_DATA 3 117*3d8817e4Smiod #define RELOC_SECTION_SDATA 4 118*3d8817e4Smiod #define RELOC_SECTION_SBSS 5 119*3d8817e4Smiod #define RELOC_SECTION_BSS 6 120*3d8817e4Smiod #define RELOC_SECTION_INIT 7 121*3d8817e4Smiod #define RELOC_SECTION_LIT8 8 122*3d8817e4Smiod #define RELOC_SECTION_LIT4 9 123*3d8817e4Smiod #define RELOC_SECTION_XDATA 10 124*3d8817e4Smiod #define RELOC_SECTION_PDATA 11 125*3d8817e4Smiod #define RELOC_SECTION_FINI 12 126*3d8817e4Smiod #define RELOC_SECTION_LITA 13 127*3d8817e4Smiod #define RELOC_SECTION_ABS 14 128*3d8817e4Smiod #define RELOC_SECTION_RCONST 15 129*3d8817e4Smiod 130*3d8817e4Smiod #define NUM_RELOC_SECTIONS 16 131*3d8817e4Smiod 132*3d8817e4Smiod /********************** STABS **********************/ 133*3d8817e4Smiod 134*3d8817e4Smiod /* gcc uses mips-tfile to output type information in special stabs 135*3d8817e4Smiod entries. These must match the corresponding definition in 136*3d8817e4Smiod gcc/config/mips.h. At some point, these should probably go into a 137*3d8817e4Smiod shared include file, but currently gcc and gdb do not share any 138*3d8817e4Smiod directories. */ 139*3d8817e4Smiod #define CODE_MASK 0x8F300 140*3d8817e4Smiod #define ECOFF_IS_STAB(sym) (((sym)->index & 0xFFF00) == CODE_MASK) 141*3d8817e4Smiod #define ECOFF_MARK_STAB(code) ((code)+CODE_MASK) 142*3d8817e4Smiod #define ECOFF_UNMARK_STAB(code) ((code)-CODE_MASK) 143*3d8817e4Smiod #define STABS_SYMBOL "@stabs" 144*3d8817e4Smiod 145*3d8817e4Smiod /********************** COFF **********************/ 146*3d8817e4Smiod 147*3d8817e4Smiod /* gcc also uses mips-tfile to output COFF debugging information. 148*3d8817e4Smiod These are the values it uses when outputting the .type directive. 149*3d8817e4Smiod These should also be in a shared include file. */ 150*3d8817e4Smiod #define N_BTMASK (017) 151*3d8817e4Smiod #define N_TMASK (060) 152*3d8817e4Smiod #define N_BTSHFT (4) 153*3d8817e4Smiod #define N_TSHIFT (2) 154*3d8817e4Smiod 155*3d8817e4Smiod /********************** AUX **********************/ 156*3d8817e4Smiod 157*3d8817e4Smiod /* The auxiliary type information is the same on all known ECOFF 158*3d8817e4Smiod targets. I can't see any reason that it would ever change, so I am 159*3d8817e4Smiod going to gamble and define the external structures here, in the 160*3d8817e4Smiod target independent ECOFF header file. The internal forms are 161*3d8817e4Smiod defined in coff/sym.h, which was originally donated by MIPS 162*3d8817e4Smiod Computer Systems. */ 163*3d8817e4Smiod 164*3d8817e4Smiod /* Type information external record */ 165*3d8817e4Smiod 166*3d8817e4Smiod struct tir_ext { 167*3d8817e4Smiod unsigned char t_bits1[1]; 168*3d8817e4Smiod unsigned char t_tq45[1]; 169*3d8817e4Smiod unsigned char t_tq01[1]; 170*3d8817e4Smiod unsigned char t_tq23[1]; 171*3d8817e4Smiod }; 172*3d8817e4Smiod 173*3d8817e4Smiod #define TIR_BITS1_FBITFIELD_BIG ((unsigned int) 0x80) 174*3d8817e4Smiod #define TIR_BITS1_FBITFIELD_LITTLE ((unsigned int) 0x01) 175*3d8817e4Smiod 176*3d8817e4Smiod #define TIR_BITS1_CONTINUED_BIG ((unsigned int) 0x40) 177*3d8817e4Smiod #define TIR_BITS1_CONTINUED_LITTLE ((unsigned int) 0x02) 178*3d8817e4Smiod 179*3d8817e4Smiod #define TIR_BITS1_BT_BIG ((unsigned int) 0x3F) 180*3d8817e4Smiod #define TIR_BITS1_BT_SH_BIG 0 181*3d8817e4Smiod #define TIR_BITS1_BT_LITTLE ((unsigned int) 0xFC) 182*3d8817e4Smiod #define TIR_BITS1_BT_SH_LITTLE 2 183*3d8817e4Smiod 184*3d8817e4Smiod #define TIR_BITS_TQ4_BIG ((unsigned int) 0xF0) 185*3d8817e4Smiod #define TIR_BITS_TQ4_SH_BIG 4 186*3d8817e4Smiod #define TIR_BITS_TQ5_BIG ((unsigned int) 0x0F) 187*3d8817e4Smiod #define TIR_BITS_TQ5_SH_BIG 0 188*3d8817e4Smiod #define TIR_BITS_TQ4_LITTLE ((unsigned int) 0x0F) 189*3d8817e4Smiod #define TIR_BITS_TQ4_SH_LITTLE 0 190*3d8817e4Smiod #define TIR_BITS_TQ5_LITTLE ((unsigned int) 0xF0) 191*3d8817e4Smiod #define TIR_BITS_TQ5_SH_LITTLE 4 192*3d8817e4Smiod 193*3d8817e4Smiod #define TIR_BITS_TQ0_BIG ((unsigned int) 0xF0) 194*3d8817e4Smiod #define TIR_BITS_TQ0_SH_BIG 4 195*3d8817e4Smiod #define TIR_BITS_TQ1_BIG ((unsigned int) 0x0F) 196*3d8817e4Smiod #define TIR_BITS_TQ1_SH_BIG 0 197*3d8817e4Smiod #define TIR_BITS_TQ0_LITTLE ((unsigned int) 0x0F) 198*3d8817e4Smiod #define TIR_BITS_TQ0_SH_LITTLE 0 199*3d8817e4Smiod #define TIR_BITS_TQ1_LITTLE ((unsigned int) 0xF0) 200*3d8817e4Smiod #define TIR_BITS_TQ1_SH_LITTLE 4 201*3d8817e4Smiod 202*3d8817e4Smiod #define TIR_BITS_TQ2_BIG ((unsigned int) 0xF0) 203*3d8817e4Smiod #define TIR_BITS_TQ2_SH_BIG 4 204*3d8817e4Smiod #define TIR_BITS_TQ3_BIG ((unsigned int) 0x0F) 205*3d8817e4Smiod #define TIR_BITS_TQ3_SH_BIG 0 206*3d8817e4Smiod #define TIR_BITS_TQ2_LITTLE ((unsigned int) 0x0F) 207*3d8817e4Smiod #define TIR_BITS_TQ2_SH_LITTLE 0 208*3d8817e4Smiod #define TIR_BITS_TQ3_LITTLE ((unsigned int) 0xF0) 209*3d8817e4Smiod #define TIR_BITS_TQ3_SH_LITTLE 4 210*3d8817e4Smiod 211*3d8817e4Smiod /* Relative symbol external record */ 212*3d8817e4Smiod 213*3d8817e4Smiod struct rndx_ext { 214*3d8817e4Smiod unsigned char r_bits[4]; 215*3d8817e4Smiod }; 216*3d8817e4Smiod 217*3d8817e4Smiod #define RNDX_BITS0_RFD_SH_LEFT_BIG 4 218*3d8817e4Smiod #define RNDX_BITS1_RFD_BIG ((unsigned int) 0xF0) 219*3d8817e4Smiod #define RNDX_BITS1_RFD_SH_BIG 4 220*3d8817e4Smiod 221*3d8817e4Smiod #define RNDX_BITS0_RFD_SH_LEFT_LITTLE 0 222*3d8817e4Smiod #define RNDX_BITS1_RFD_LITTLE ((unsigned int) 0x0F) 223*3d8817e4Smiod #define RNDX_BITS1_RFD_SH_LEFT_LITTLE 8 224*3d8817e4Smiod 225*3d8817e4Smiod #define RNDX_BITS1_INDEX_BIG ((unsigned int) 0x0F) 226*3d8817e4Smiod #define RNDX_BITS1_INDEX_SH_LEFT_BIG 16 227*3d8817e4Smiod #define RNDX_BITS2_INDEX_SH_LEFT_BIG 8 228*3d8817e4Smiod #define RNDX_BITS3_INDEX_SH_LEFT_BIG 0 229*3d8817e4Smiod 230*3d8817e4Smiod #define RNDX_BITS1_INDEX_LITTLE ((unsigned int) 0xF0) 231*3d8817e4Smiod #define RNDX_BITS1_INDEX_SH_LITTLE 4 232*3d8817e4Smiod #define RNDX_BITS2_INDEX_SH_LEFT_LITTLE 4 233*3d8817e4Smiod #define RNDX_BITS3_INDEX_SH_LEFT_LITTLE 12 234*3d8817e4Smiod 235*3d8817e4Smiod /* Auxiliary symbol information external record */ 236*3d8817e4Smiod 237*3d8817e4Smiod union aux_ext { 238*3d8817e4Smiod struct tir_ext a_ti; 239*3d8817e4Smiod struct rndx_ext a_rndx; 240*3d8817e4Smiod unsigned char a_dnLow[4]; 241*3d8817e4Smiod unsigned char a_dnHigh[4]; 242*3d8817e4Smiod unsigned char a_isym[4]; 243*3d8817e4Smiod unsigned char a_iss[4]; 244*3d8817e4Smiod unsigned char a_width[4]; 245*3d8817e4Smiod unsigned char a_count[4]; 246*3d8817e4Smiod }; 247*3d8817e4Smiod 248*3d8817e4Smiod #define AUX_GET_ANY(bigend, ax, field) \ 249*3d8817e4Smiod ((bigend) ? bfd_getb32 ((ax)->field) : bfd_getl32 ((ax)->field)) 250*3d8817e4Smiod 251*3d8817e4Smiod #define AUX_GET_DNLOW(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_dnLow) 252*3d8817e4Smiod #define AUX_GET_DNHIGH(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_dnHigh) 253*3d8817e4Smiod #define AUX_GET_ISYM(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_isym) 254*3d8817e4Smiod #define AUX_GET_ISS(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_iss) 255*3d8817e4Smiod #define AUX_GET_WIDTH(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_width) 256*3d8817e4Smiod #define AUX_GET_COUNT(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_count) 257*3d8817e4Smiod 258*3d8817e4Smiod #define AUX_PUT_ANY(bigend, val, ax, field) \ 259*3d8817e4Smiod ((bigend) \ 260*3d8817e4Smiod ? (bfd_putb32 ((bfd_vma) (val), (ax)->field), 0) \ 261*3d8817e4Smiod : (bfd_putl32 ((bfd_vma) (val), (ax)->field), 0)) 262*3d8817e4Smiod 263*3d8817e4Smiod #define AUX_PUT_DNLOW(bigend, val, ax) \ 264*3d8817e4Smiod AUX_PUT_ANY ((bigend), (val), (ax), a_dnLow) 265*3d8817e4Smiod #define AUX_PUT_DNHIGH(bigend, val, ax) \ 266*3d8817e4Smiod AUX_PUT_ANY ((bigend), (val), (ax), a_dnHigh) 267*3d8817e4Smiod #define AUX_PUT_ISYM(bigend, val, ax) \ 268*3d8817e4Smiod AUX_PUT_ANY ((bigend), (val), (ax), a_isym) 269*3d8817e4Smiod #define AUX_PUT_ISS(bigend, val, ax) \ 270*3d8817e4Smiod AUX_PUT_ANY ((bigend), (val), (ax), a_iss) 271*3d8817e4Smiod #define AUX_PUT_WIDTH(bigend, val, ax) \ 272*3d8817e4Smiod AUX_PUT_ANY ((bigend), (val), (ax), a_width) 273*3d8817e4Smiod #define AUX_PUT_COUNT(bigend, val, ax) \ 274*3d8817e4Smiod AUX_PUT_ANY ((bigend), (val), (ax), a_count) 275*3d8817e4Smiod 276*3d8817e4Smiod /********************** SYMBOLS **********************/ 277*3d8817e4Smiod 278*3d8817e4Smiod /* For efficiency, gdb deals directly with the unswapped symbolic 279*3d8817e4Smiod information (that way it only takes the time to swap information 280*3d8817e4Smiod that it really needs to read). gdb originally retrieved the 281*3d8817e4Smiod information directly from the BFD backend information, but that 282*3d8817e4Smiod strategy, besides being sort of ugly, does not work for MIPS ELF, 283*3d8817e4Smiod which also uses ECOFF debugging information. This structure holds 284*3d8817e4Smiod pointers to the (mostly) unswapped symbolic information. */ 285*3d8817e4Smiod 286*3d8817e4Smiod struct ecoff_debug_info 287*3d8817e4Smiod { 288*3d8817e4Smiod /* The swapped ECOFF symbolic header. */ 289*3d8817e4Smiod HDRR symbolic_header; 290*3d8817e4Smiod 291*3d8817e4Smiod /* Pointers to the unswapped symbolic information. Note that the 292*3d8817e4Smiod pointers to external structures point to different sorts of 293*3d8817e4Smiod information on different ECOFF targets. The ecoff_debug_swap 294*3d8817e4Smiod structure provides the sizes of the structures and the functions 295*3d8817e4Smiod needed to swap the information in and out. These pointers are 296*3d8817e4Smiod all pointers to arrays, not single structures. They will be NULL 297*3d8817e4Smiod if there are no instances of the relevant structure. These 298*3d8817e4Smiod fields are also used by the assembler to output ECOFF debugging 299*3d8817e4Smiod information. */ 300*3d8817e4Smiod unsigned char *line; 301*3d8817e4Smiod void *external_dnr; /* struct dnr_ext */ 302*3d8817e4Smiod void *external_pdr; /* struct pdr_ext */ 303*3d8817e4Smiod void *external_sym; /* struct sym_ext */ 304*3d8817e4Smiod void *external_opt; /* struct opt_ext */ 305*3d8817e4Smiod union aux_ext *external_aux; 306*3d8817e4Smiod char *ss; 307*3d8817e4Smiod char *ssext; 308*3d8817e4Smiod void *external_fdr; /* struct fdr_ext */ 309*3d8817e4Smiod void *external_rfd; /* struct rfd_ext */ 310*3d8817e4Smiod void *external_ext; /* struct ext_ext */ 311*3d8817e4Smiod 312*3d8817e4Smiod /* These fields are used when linking. They may disappear at some 313*3d8817e4Smiod point. */ 314*3d8817e4Smiod char *ssext_end; 315*3d8817e4Smiod void *external_ext_end; 316*3d8817e4Smiod 317*3d8817e4Smiod /* When linking, this field holds a mapping from the input FDR 318*3d8817e4Smiod numbers to the output numbers, and is used when writing out the 319*3d8817e4Smiod external symbols. It is NULL if no mapping is required. */ 320*3d8817e4Smiod RFDT *ifdmap; 321*3d8817e4Smiod 322*3d8817e4Smiod /* The swapped FDR information. Currently this is never NULL, but 323*3d8817e4Smiod code using this structure should probably double-check in case 324*3d8817e4Smiod this changes in the future. This is a pointer to an array, not a 325*3d8817e4Smiod single structure. */ 326*3d8817e4Smiod FDR *fdr; 327*3d8817e4Smiod }; 328*3d8817e4Smiod 329*3d8817e4Smiod /* These structures are used by the ECOFF find_nearest_line function. */ 330*3d8817e4Smiod 331*3d8817e4Smiod struct ecoff_fdrtab_entry 332*3d8817e4Smiod { 333*3d8817e4Smiod /* Base address in .text of this FDR. */ 334*3d8817e4Smiod bfd_vma base_addr; 335*3d8817e4Smiod FDR *fdr; 336*3d8817e4Smiod }; 337*3d8817e4Smiod 338*3d8817e4Smiod struct ecoff_find_line 339*3d8817e4Smiod { 340*3d8817e4Smiod /* Allocated memory to hold function and file names. */ 341*3d8817e4Smiod char *find_buffer; 342*3d8817e4Smiod 343*3d8817e4Smiod /* FDR table, sorted by address: */ 344*3d8817e4Smiod long fdrtab_len; 345*3d8817e4Smiod struct ecoff_fdrtab_entry *fdrtab; 346*3d8817e4Smiod 347*3d8817e4Smiod /* Cache entry for most recently found line information. The sect 348*3d8817e4Smiod field is NULL if this cache does not contain valid information. */ 349*3d8817e4Smiod struct 350*3d8817e4Smiod { 351*3d8817e4Smiod asection *sect; 352*3d8817e4Smiod bfd_vma start; 353*3d8817e4Smiod bfd_vma stop; 354*3d8817e4Smiod const char *filename; 355*3d8817e4Smiod const char *functionname; 356*3d8817e4Smiod unsigned int line_num; 357*3d8817e4Smiod } cache; 358*3d8817e4Smiod }; 359*3d8817e4Smiod 360*3d8817e4Smiod /********************** SWAPPING **********************/ 361*3d8817e4Smiod 362*3d8817e4Smiod /* The generic ECOFF code needs to be able to swap debugging 363*3d8817e4Smiod information in and out in the specific format used by a particular 364*3d8817e4Smiod ECOFF implementation. This structure provides the information 365*3d8817e4Smiod needed to do this. */ 366*3d8817e4Smiod 367*3d8817e4Smiod struct ecoff_debug_swap 368*3d8817e4Smiod { 369*3d8817e4Smiod /* Symbol table magic number. */ 370*3d8817e4Smiod int sym_magic; 371*3d8817e4Smiod /* Alignment of debugging information. E.g., 4. */ 372*3d8817e4Smiod bfd_size_type debug_align; 373*3d8817e4Smiod /* Sizes of external symbolic information. */ 374*3d8817e4Smiod bfd_size_type external_hdr_size; 375*3d8817e4Smiod bfd_size_type external_dnr_size; 376*3d8817e4Smiod bfd_size_type external_pdr_size; 377*3d8817e4Smiod bfd_size_type external_sym_size; 378*3d8817e4Smiod bfd_size_type external_opt_size; 379*3d8817e4Smiod bfd_size_type external_fdr_size; 380*3d8817e4Smiod bfd_size_type external_rfd_size; 381*3d8817e4Smiod bfd_size_type external_ext_size; 382*3d8817e4Smiod /* Functions to swap in external symbolic data. */ 383*3d8817e4Smiod void (*swap_hdr_in) (bfd *, void *, HDRR *); 384*3d8817e4Smiod void (*swap_dnr_in) (bfd *, void *, DNR *); 385*3d8817e4Smiod void (*swap_pdr_in) (bfd *, void *, PDR *); 386*3d8817e4Smiod void (*swap_sym_in) (bfd *, void *, SYMR *); 387*3d8817e4Smiod void (*swap_opt_in) (bfd *, void *, OPTR *); 388*3d8817e4Smiod void (*swap_fdr_in) (bfd *, void *, FDR *); 389*3d8817e4Smiod void (*swap_rfd_in) (bfd *, void *, RFDT *); 390*3d8817e4Smiod void (*swap_ext_in) (bfd *, void *, EXTR *); 391*3d8817e4Smiod void (*swap_tir_in) (int, const struct tir_ext *, TIR *); 392*3d8817e4Smiod void (*swap_rndx_in) (int, const struct rndx_ext *, RNDXR *); 393*3d8817e4Smiod /* Functions to swap out external symbolic data. */ 394*3d8817e4Smiod void (*swap_hdr_out) (bfd *, const HDRR *, void *); 395*3d8817e4Smiod void (*swap_dnr_out) (bfd *, const DNR *, void *); 396*3d8817e4Smiod void (*swap_pdr_out) (bfd *, const PDR *, void *); 397*3d8817e4Smiod void (*swap_sym_out) (bfd *, const SYMR *, void *); 398*3d8817e4Smiod void (*swap_opt_out) (bfd *, const OPTR *, void *); 399*3d8817e4Smiod void (*swap_fdr_out) (bfd *, const FDR *, void *); 400*3d8817e4Smiod void (*swap_rfd_out) (bfd *, const RFDT *, void *); 401*3d8817e4Smiod void (*swap_ext_out) (bfd *, const EXTR *, void *); 402*3d8817e4Smiod void (*swap_tir_out) (int, const TIR *, struct tir_ext *); 403*3d8817e4Smiod void (*swap_rndx_out) (int, const RNDXR *, struct rndx_ext *); 404*3d8817e4Smiod /* Function to read symbol data and set up pointers in 405*3d8817e4Smiod ecoff_debug_info structure. The section argument is used for 406*3d8817e4Smiod ELF, not straight ECOFF. */ 407*3d8817e4Smiod bfd_boolean (*read_debug_info) (bfd *, asection *, struct ecoff_debug_info *); 408*3d8817e4Smiod }; 409*3d8817e4Smiod 410*3d8817e4Smiod #endif /* ! defined (ECOFF_H) */ 411