1/* Target-dependent definitions for AMD64. 2 3 Copyright 2001, 2003, 2004 Free Software Foundation, Inc. 4 Contributed by Jiri Smid, SuSE Labs. 5 6 This file is part of GDB. 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 2 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program; if not, write to the Free Software 20 Foundation, Inc., 59 Temple Place - Suite 330, 21 Boston, MA 02111-1307, USA. */ 22 23#ifndef AMD64_TDEP_H 24#define AMD64_TDEP_H 25 26struct gdbarch; 27struct frame_info; 28struct regcache; 29 30#include "i386-tdep.h" 31 32/* Register numbers of various important registers. */ 33 34enum amd64_regnum 35{ 36 AMD64_RAX_REGNUM, /* %rax */ 37 AMD64_RBX_REGNUM, /* %rbx */ 38 AMD64_RCX_REGNUM, /* %rcx */ 39 AMD64_RDX_REGNUM, /* %rdx */ 40 AMD64_RSI_REGNUM, /* %rsi */ 41 AMD64_RDI_REGNUM, /* %rdi */ 42 AMD64_RBP_REGNUM, /* %rbp */ 43 AMD64_RSP_REGNUM, /* %rsp */ 44 AMD64_R8_REGNUM = 8, /* %r8 */ 45 AMD64_R15_REGNUM = 15, /* %r15 */ 46 AMD64_RIP_REGNUM, /* %rip */ 47 AMD64_EFLAGS_REGNUM, /* %eflags */ 48 AMD64_ST0_REGNUM = 24, /* %st0 */ 49 AMD64_XMM0_REGNUM = 40, /* %xmm0 */ 50 AMD64_XMM1_REGNUM /* %xmm1 */ 51}; 52 53/* Number of general purpose registers. */ 54#define AMD64_NUM_GREGS 24 55 56extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch); 57 58/* Fill register REGNUM in REGCACHE with the appropriate 59 floating-point or SSE register value from *FXSAVE. If REGNUM is 60 -1, do this for all registers. This function masks off any of the 61 reserved bits in *FXSAVE. */ 62 63extern void amd64_supply_fxsave (struct regcache *regcache, int regnum, 64 const void *fxsave); 65 66/* Fill register REGNUM (if it is a floating-point or SSE register) in 67 *FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for 68 all registers. This function doesn't touch any of the reserved 69 bits in *FXSAVE. */ 70 71extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum, 72 void *fxsave); 73 74/* Fill register REGNUM (if it is a floating-point or SSE register) in 75 *FXSAVE with the value in GDB's register cache. If REGNUM is -1, do 76 this for all registers. This function doesn't touch any of the 77 reserved bits in *FXSAVE. */ 78 79extern void amd64_fill_fxsave (char *fxsave, int regnum); 80 81 82/* Variables exported from amd64nbsd-tdep.c. */ 83extern int amd64nbsd_r_reg_offset[]; 84 85/* Variables exported from amd64obsd-tdep.c. */ 86extern int amd64obsd_r_reg_offset[]; 87 88/* Variables exported from amd64fbsd-tdep.c. */ 89extern CORE_ADDR amd64fbsd_sigtramp_start_addr; 90extern CORE_ADDR amd64fbsd_sigtramp_end_addr; 91extern int amd64fbsd_sc_reg_offset[]; 92 93#endif /* amd64-tdep.h */ 94