projects / binutils.git / blame
| Commit | Line | Data |
|---|---|---|
| c906108c SS |
1 | /* Target machine description for SGI Iris under Irix, for GDB. |
| 2 | Copyright 1990, 1991, 1992, 1993, 1995 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 19 | ||
| 20 | #include "mips/tm-bigmips.h" | |
| 21 | ||
| 22 | /* SGI's assembler doesn't grok dollar signs in identifiers. | |
| 23 | So we use dots instead. This item must be coordinated with G++. */ | |
| 24 | #undef CPLUS_MARKER | |
| 25 | #define CPLUS_MARKER '.' | |
| 26 | ||
| 27 | /* Redefine register numbers for SGI. */ | |
| 28 | ||
| 29 | #undef NUM_REGS | |
| cce74817 | 30 | #undef MIPS_REGISTER_NAMES |
| c906108c SS |
31 | #undef FP0_REGNUM |
| 32 | #undef PC_REGNUM | |
| 33 | #undef PS_REGNUM | |
| 34 | #undef HI_REGNUM | |
| 35 | #undef LO_REGNUM | |
| 36 | #undef CAUSE_REGNUM | |
| 37 | #undef BADVADDR_REGNUM | |
| 38 | #undef FCRCS_REGNUM | |
| 39 | #undef FCRIR_REGNUM | |
| 40 | ||
| 41 | /* Number of machine registers */ | |
| 42 | ||
| 43 | #define NUM_REGS 71 | |
| 44 | ||
| 45 | /* Initializer for an array of names of registers. | |
| 46 | There should be NUM_REGS strings in this initializer. */ | |
| 47 | ||
| cce74817 | 48 | #define MIPS_REGISTER_NAMES \ |
| c906108c SS |
49 | { "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", \ |
| 50 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", \ | |
| 51 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", \ | |
| 52 | "t8", "t9", "k0", "k1", "gp", "sp", "fp", "ra", \ | |
| 53 | "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ | |
| 54 | "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ | |
| 55 | "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",\ | |
| 56 | "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31",\ | |
| 57 | "pc", "cause", "bad", "hi", "lo", "fsr", "fir" \ | |
| 58 | } | |
| 59 | ||
| 60 | /* Register numbers of various important registers. | |
| 61 | Note that some of these values are "real" register numbers, | |
| 62 | and correspond to the general registers of the machine, | |
| 63 | and some are "phony" register numbers which are too large | |
| 64 | to be actual register numbers as far as the user is concerned | |
| 65 | but do serve to get the desired values when passed to read_register. */ | |
| 66 | ||
| 67 | #define FP0_REGNUM 32 /* Floating point register 0 (single float) */ | |
| 68 | #define PC_REGNUM 64 /* Contains program counter */ | |
| 69 | #define CAUSE_REGNUM 65 /* describes last exception */ | |
| 70 | #define BADVADDR_REGNUM 66 /* bad vaddr for addressing exception */ | |
| 71 | #define HI_REGNUM 67 /* Multiple/divide temp */ | |
| 72 | #define LO_REGNUM 68 /* ... */ | |
| 73 | #define FCRCS_REGNUM 69 /* FP control/status */ | |
| 74 | #define FCRIR_REGNUM 70 /* FP implementation/revision */ | |
| 75 | ||
| 76 | /* Offsets for register values in _sigtramp frame. | |
| 77 | sigcontext is immediately above the _sigtramp frame on Irix. */ | |
| 78 | #define SIGFRAME_BASE 0x0 | |
| 79 | #define SIGFRAME_PC_OFF (SIGFRAME_BASE + 2 * 4) | |
| 80 | #define SIGFRAME_REGSAVE_OFF (SIGFRAME_BASE + 3 * 4) | |
| 81 | #define SIGFRAME_FPREGSAVE_OFF (SIGFRAME_BASE + 3 * 4 + 32 * 4 + 4) |