1 /* Target-dependent definitions for AMD64. 2 3 Copyright (C) 2001, 2003, 2004, 2007, 2008, 2009, 2010, 2011 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 AMD64_YMM0H_REGNUM, /* %ymm0h */ 66 AMD64_YMM15H_REGNUM = AMD64_YMM0H_REGNUM + 15 67 }; 68 69 /* Number of general purpose registers. */ 70 #define AMD64_NUM_GREGS 24 71 72 #define AMD64_NUM_REGS (AMD64_YMM15H_REGNUM + 1) 73 74 extern struct displaced_step_closure *amd64_displaced_step_copy_insn 75 (struct gdbarch *gdbarch, CORE_ADDR from, CORE_ADDR to, 76 struct regcache *regs); 77 extern void amd64_displaced_step_fixup (struct gdbarch *gdbarch, 78 struct displaced_step_closure *closure, 79 CORE_ADDR from, CORE_ADDR to, 80 struct regcache *regs); 81 82 extern void amd64_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch); 83 84 /* Fill register REGNUM in REGCACHE with the appropriate 85 floating-point or SSE register value from *FXSAVE. If REGNUM is 86 -1, do this for all registers. This function masks off any of the 87 reserved bits in *FXSAVE. */ 88 89 extern void amd64_supply_fxsave (struct regcache *regcache, int regnum, 90 const void *fxsave); 91 92 /* Similar to amd64_supply_fxsave, but use XSAVE extended state. */ 93 extern void amd64_supply_xsave (struct regcache *regcache, int regnum, 94 const void *xsave); 95 96 /* Fill register REGNUM (if it is a floating-point or SSE register) in 97 *FXSAVE with the value from REGCACHE. If REGNUM is -1, do this for 98 all registers. This function doesn't touch any of the reserved 99 bits in *FXSAVE. */ 100 101 extern void amd64_collect_fxsave (const struct regcache *regcache, int regnum, 102 void *fxsave); 103 104 /* Similar to amd64_collect_fxsave, but but use XSAVE extended state. */ 105 extern void amd64_collect_xsave (const struct regcache *regcache, 106 int regnum, void *xsave, int gcore); 107 108 void amd64_classify (struct type *type, enum amd64_reg_class class[2]); 109 110 111 112 /* Variables exported from amd64-linux-tdep.c. */ 113 extern int amd64_linux_gregset_reg_offset[]; 114 115 /* Variables exported from amd64nbsd-tdep.c. */ 116 extern int amd64nbsd_r_reg_offset[]; 117 118 /* Variables exported from amd64obsd-tdep.c. */ 119 extern int amd64obsd_r_reg_offset[]; 120 121 /* Variables exported from amd64fbsd-tdep.c. */ 122 extern CORE_ADDR amd64fbsd_sigtramp_start_addr; 123 extern CORE_ADDR amd64fbsd_sigtramp_end_addr; 124 extern int amd64fbsd_sc_reg_offset[]; 125 126 /* Variables exported from amd64dfly-tdep.c. */ 127 extern CORE_ADDR amd64dfly_sigtramp_start_addr; 128 extern CORE_ADDR amd64dfly_sigtramp_end_addr; 129 extern int amd64dfly_sc_reg_offset[]; 130 131 #endif /* amd64-tdep.h */ 132