1 /* Target-dependent definitions for AMD64. 2 3 Copyright (C) 2001, 2003, 2004, 2007, 2008, 2009 4 Free Software Foundation, Inc. 5 Contributed by Jiri Smid, SuSE Labs. 6 7 This file is part of GDB. 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 21 22 #ifndef AMD64_TDEP_H 23 #define AMD64_TDEP_H 24 25 struct gdbarch; 26 struct frame_info; 27 struct regcache; 28 29 #include "i386-tdep.h" 30 31 /* Register numbers of various important registers. */ 32 33 enum amd64_regnum 34 { 35 AMD64_RAX_REGNUM, /* %rax */ 36 AMD64_RBX_REGNUM, /* %rbx */ 37 AMD64_RCX_REGNUM, /* %rcx */ 38 AMD64_RDX_REGNUM, /* %rdx */ 39 AMD64_RSI_REGNUM, /* %rsi */ 40 AMD64_RDI_REGNUM, /* %rdi */ 41 AMD64_RBP_REGNUM, /* %rbp */ 42 AMD64_RSP_REGNUM, /* %rsp */ 43 AMD64_R8_REGNUM, /* %r8 */ 44 AMD64_R9_REGNUM, /* %r9 */ 45 AMD64_R10_REGNUM, /* %r10 */ 46 AMD64_R11_REGNUM, /* %r11 */ 47 AMD64_R12_REGNUM, /* %r12 */ 48 AMD64_R13_REGNUM, /* %r13 */ 49 AMD64_R14_REGNUM, /* %r14 */ 50 AMD64_R15_REGNUM, /* %r15 */ 51 AMD64_RIP_REGNUM, /* %rip */ 52 AMD64_EFLAGS_REGNUM, /* %eflags */ 53 AMD64_CS_REGNUM, /* %cs */ 54 AMD64_SS_REGNUM, /* %ss */ 55 AMD64_DS_REGNUM, /* %ds */ 56 AMD64_ES_REGNUM, /* %es */ 57 AMD64_FS_REGNUM, /* %fs */ 58 AMD64_GS_REGNUM, /* %gs */ 59 AMD64_ST0_REGNUM = 24, /* %st0 */ 60 AMD64_FCTRL_REGNUM = AMD64_ST0_REGNUM + 8, 61 AMD64_FSTAT_REGNUM = AMD64_ST0_REGNUM + 9, 62 AMD64_XMM0_REGNUM = 40, /* %xmm0 */ 63 AMD64_XMM1_REGNUM, /* %xmm1 */ 64 AMD64_MXCSR_REGNUM = AMD64_XMM0_REGNUM + 16 65 }; 66 67 /* Number of general purpose registers. */ 68 #define AMD64_NUM_GREGS 24 69 70 extern struct displaced_step_closure *amd64_displaced_step_copy_insn 71 (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, 72 struct regcache *regs); 73 extern void amd64_displaced_step_fixup (struct gdbarch *gdbarch, 74 struct displaced_step_closure *closure, 75 CORE_ADDR from, CORE_ADDR to, 76 struct regcache *regs); 77 78 extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch); 79 80 /* Functions from amd64-tdep.c which may be needed on architectures 81 with extra registers. */ 82 83 extern const char *amd64_register_name (struct gdbarch *gdbarch, int regnum); 84 extern struct type *amd64_register_type (struct gdbarch *gdbarch, int regnum); 85 86 /* Fill register REGNUM in REGCACHE with the appropriate 87 floating-point or SSE register value from *FXSAVE. If REGNUM is 88 -1, do this for all registers. This function masks off any of the 89 reserved bits in *FXSAVE. */ 90 91 extern void amd64_supply_fxsave (struct regcache *regcache, int regnum, 92 const void *fxsave); 93 94 /* Fill register REGNUM (if it is a floating-point or SSE register) in 95 *FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for 96 all registers. This function doesn't touch any of the reserved 97 bits in *FXSAVE. */ 98 99 extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum, 100 void *fxsave); 101 102 103 /* Variables exported from amd64nbsd-tdep.c. */ 104 extern int amd64nbsd_r_reg_offset[]; 105 106 /* Variables exported from amd64obsd-tdep.c. */ 107 extern int amd64obsd_r_reg_offset[]; 108 109 /* Variables exported from amd64fbsd-tdep.c. */ 110 extern CORE_ADDR amd64fbsd_sigtramp_start_addr; 111 extern CORE_ADDR amd64fbsd_sigtramp_end_addr; 112 extern int amd64fbsd_sc_reg_offset[]; 113 114 /* Variables exported from amd64dfly-tdep.c. */ 115 extern CORE_ADDR amd64dfly_sigtramp_start_addr; 116 extern CORE_ADDR amd64dfly_sigtramp_end_addr; 117 extern int amd64dfly_sc_reg_offset[]; 118 119 #endif /* amd64-tdep.h */ 120