projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 1d06468c | 1 | /* Target machine description for SGI Iris under Irix 6.x, for GDB. |
| a094c6fb AC |
2 | |
| 3 | Copyright 2001, 2002 Free Software Foundation, Inc. | |
| 1d06468c EZ |
4 | |
| 5 | This file is part of GDB. | |
| 6 | ||
| 7 | This program is free software; you can redistribute it and/or modify | |
| 8 | it under the terms of the GNU General Public License as published by | |
| 9 | the Free Software Foundation; either version 2 of the License, or | |
| 10 | (at your option) any later version. | |
| 11 | ||
| 12 | This program is distributed in the hope that it will be useful, | |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 18 | along with this program; if not, write to the Free Software | |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 | Boston, MA 02111-1307, USA. */ | |
| 21 | ||
| 78fde5f8 | 22 | #include "mips/tm-bigmips64.h" |
| d154bee2 | 23 | #include "solib.h" |
| 7fe7e44e | 24 | |
| 1d06468c EZ |
25 | /* Redefine register numbers for SGI. */ |
| 26 | ||
| 27 | #undef NUM_REGS | |
| 28 | #undef MIPS_REGISTER_NAMES | |
| 29 | #undef FP0_REGNUM | |
| 30 | #undef PC_REGNUM | |
| 31 | #undef HI_REGNUM | |
| 32 | #undef LO_REGNUM | |
| 33 | #undef CAUSE_REGNUM | |
| 34 | #undef BADVADDR_REGNUM | |
| 35 | #undef FCRCS_REGNUM | |
| 36 | #undef FCRIR_REGNUM | |
| 1d06468c EZ |
37 | |
| 38 | /* Number of machine registers */ | |
| 39 | ||
| 40 | #define NUM_REGS 71 | |
| 41 | ||
| 42 | /* Initializer for an array of names of registers. | |
| 43 | There should be NUM_REGS strings in this initializer. */ | |
| 44 | ||
| 45 | #define MIPS_REGISTER_NAMES \ | |
| 46 | { "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", \ | |
| 47 | "a4", "a5", "a6", "a7", "t0", "t1", "t2", "t3", \ | |
| 48 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \ | |
| 49 | "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", \ | |
| 50 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ | |
| 51 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ | |
| 52 | "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",\ | |
| 53 | "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",\ | |
| 54 | "pc", "cause", "bad", "hi", "lo", "fsr", "fir" \ | |
| 55 | } | |
| 56 | ||
| 57 | /* Register numbers of various important registers. | |
| 58 | Note that some of these values are "real" register numbers, | |
| 59 | and correspond to the general registers of the machine, | |
| 60 | and some are "phony" register numbers which are too large | |
| 61 | to be actual register numbers as far as the user is concerned | |
| 62 | but do serve to get the desired values when passed to read_register. */ | |
| 63 | ||
| 64 | #define FP0_REGNUM 32 /* Floating point register 0 (single float) */ | |
| 65 | #define PC_REGNUM 64 /* Contains program counter */ | |
| 66 | #define CAUSE_REGNUM 65 /* describes last exception */ | |
| 67 | #define BADVADDR_REGNUM 66 /* bad vaddr for addressing exception */ | |
| 68 | #define HI_REGNUM 67 /* Multiple/divide temp */ | |
| 69 | #define LO_REGNUM 68 /* ... */ | |
| 70 | #define FCRCS_REGNUM 69 /* FP control/status */ | |
| 71 | #define FCRIR_REGNUM 70 /* FP implementation/revision */ | |
| 1d06468c EZ |
72 | |
| 73 | ||
| 74 | #undef REGISTER_BYTES | |
| 75 | #define REGISTER_BYTES (MIPS_NUMREGS * 8 + (NUM_REGS - MIPS_NUMREGS) * MIPS_REGSIZE) | |
| 76 | ||
| 77 | #undef REGISTER_BYTE | |
| 78 | #define REGISTER_BYTE(N) \ | |
| 79 | (((N) < FP0_REGNUM) ? (N) * MIPS_REGSIZE : \ | |
| 80 | ((N) < FP0_REGNUM + 32) ? \ | |
| 81 | FP0_REGNUM * MIPS_REGSIZE + \ | |
| 82 | ((N) - FP0_REGNUM) * sizeof(double) : \ | |
| 83 | 32 * sizeof(double) + ((N) - 32) * MIPS_REGSIZE) | |
| 84 | ||
| 1d06468c EZ |
85 | /* The signal handler trampoline is called _sigtramp. */ |
| 86 | #undef IN_SIGTRAMP | |
| 87 | #define IN_SIGTRAMP(pc, name) ((name) && STREQ ("_sigtramp", name)) | |
| 88 | ||
| 89 | /* Offsets for register values in _sigtramp frame. | |
| 90 | sigcontext is immediately above the _sigtramp frame on Irix. */ | |
| 91 | #undef SIGFRAME_BASE | |
| 92 | #define SIGFRAME_BASE 0 | |
| 93 | ||
| 94 | /* Irix 5 saves a full 64 bits for each register. We skip 2 * 4 to | |
| 95 | get to the saved PC (the register mask and status register are both | |
| 96 | 32 bits) and then another 4 to get to the lower 32 bits. We skip | |
| 97 | the same 4 bytes, plus the 8 bytes for the PC to get to the | |
| 98 | registers, and add another 4 to get to the lower 32 bits. We skip | |
| 99 | 8 bytes per register. */ | |
| 100 | #undef SIGFRAME_PC_OFF | |
| 101 | #define SIGFRAME_PC_OFF (SIGFRAME_BASE + 2 * 4 + 4) | |
| 102 | #undef SIGFRAME_REGSAVE_OFF | |
| 103 | #define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 4) | |
| 104 | #undef SIGFRAME_FPREGSAVE_OFF | |
| 105 | #define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 2 * 4 + 8 + 32 * 8 + 4) | |
| 106 | #define SIGFRAME_REG_SIZE 8 | |
| 107 | ||
| 108 | /* Select the disassembler */ | |
| 109 | #undef TM_PRINT_INSN_MACH | |
| 110 | #define TM_PRINT_INSN_MACH bfd_mach_mips8000 | |
| 78fde5f8 KB |
111 | |
| 112 | /* Undefine those methods which have been multiarched. */ | |
| 113 | #undef REGISTER_VIRTUAL_TYPE |