1/* Native-dependent code for Solaris x86. 2 3 Copyright (C) 2004, 2007 Free Software Foundation, Inc. 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 3 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, see <http://www.gnu.org/licenses/>. */ 19 20#include "defs.h" 21#include "regcache.h" 22 23#include <sys/procfs.h> 24#include "gregset.h" 25 26/* This file provids the (temporary) glue between the Solaris x86 27 target dependent code and the machine independent SVR4 /proc 28 support. */ 29 30/* Solaris 10 (Solaris 2.10, SunOS 5.10) and up support two process 31 data models, the traditional 32-bit data model (ILP32) and the 32 64-bit data model (LP64). The format of /proc depends on the data 33 model of the observer (the controlling process, GDB in our case). 34 The Solaris header files conveniently define PR_MODEL_NATIVE to the 35 data model of the controlling process. If its value is 36 PR_MODEL_LP64, we know that GDB is being compiled as a 64-bit 37 program. 38 39 Note that a 32-bit GDB won't be able to debug a 64-bit target 40 process using /proc on Solaris. */ 41 42#if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64) 43 44#include "amd64-nat.h" 45#include "amd64-tdep.h" 46 47/* Mapping between the general-purpose registers in gregset_t format 48 and GDB's register cache layout. */ 49 50/* From <sys/regset.h>. */ 51static int amd64_sol2_gregset64_reg_offset[] = { 52 14 * 8, /* %rax */ 53 11 * 8, /* %rbx */ 54 13 * 8, /* %rcx */ 55 12 * 8, /* %rdx */ 56 9 * 8, /* %rsi */ 57 8 * 8, /* %rdi */ 58 10 * 8, /* %rbp */ 59 20 * 8, /* %rsp */ 60 7 * 8, /* %r8 ... */ 61 6 * 8, 62 5 * 8, 63 4 * 8, 64 3 * 8, 65 2 * 8, 66 1 * 8, 67 0 * 8, /* ... %r15 */ 68 17 * 8, /* %rip */ 69 16 * 8, /* %eflags */ 70 18 * 8, /* %cs */ 71 21 * 8, /* %ss */ 72 25 * 8, /* %ds */ 73 24 * 8, /* %es */ 74 22 * 8, /* %fs */ 75 23 * 8 /* %gs */ 76}; 77 78/* 32-bit registers are provided by Solaris in 64-bit format, so just 79 give a subset of the list above. */ 80static int amd64_sol2_gregset32_reg_offset[] = { 81 14 * 8, /* %eax */ 82 13 * 8, /* %ecx */ 83 12 * 8, /* %edx */ 84 11 * 8, /* %ebx */ 85 20 * 8, /* %esp */ 86 10 * 8, /* %ebp */ 87 9 * 8, /* %esi */ 88 8 * 8, /* %edi */ 89 17 * 8, /* %eip */ 90 16 * 8, /* %eflags */ 91 18 * 8, /* %cs */ 92 21 * 8, /* %ss */ 93 25 * 8, /* %ds */ 94 24 * 8, /* %es */ 95 22 * 8, /* %fs */ 96 23 * 8 /* %gs */ 97}; 98 99void 100supply_gregset (struct regcache *regcache, const prgregset_t *gregs) 101{ 102 amd64_supply_native_gregset (regcache, gregs, -1); 103} 104 105void 106supply_fpregset (struct regcache *regcache, const prfpregset_t *fpregs) 107{ 108 amd64_supply_fxsave (regcache, -1, fpregs); 109} 110 111void 112fill_gregset (const struct regcache *regcache, 113 prgregset_t *gregs, int regnum) 114{ 115 amd64_collect_native_gregset (regcache, gregs, regnum); 116} 117 118void 119fill_fpregset (const struct regcache *regcache, 120 prfpregset_t *fpregs, int regnum) 121{ 122 amd64_collect_fxsave (regcache, regnum, fpregs); 123} 124 125#else 126 127/* For 32-bit Solaris x86, we use the Unix SVR4 code in i386v4-nat.c. */ 128 129#endif 130 131/* Provide a prototype to silence -Wmissing-prototypes. */ 132extern void _initialize_amd64_sol2_nat (void); 133 134void 135_initialize_amd64_sol2_nat (void) 136{ 137#if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64) 138 amd64_native_gregset32_reg_offset = amd64_sol2_gregset32_reg_offset; 139 amd64_native_gregset32_num_regs = 140 ARRAY_SIZE (amd64_sol2_gregset32_reg_offset); 141 amd64_native_gregset64_reg_offset = amd64_sol2_gregset64_reg_offset; 142 amd64_native_gregset64_num_regs = 143 ARRAY_SIZE (amd64_sol2_gregset64_reg_offset); 144#endif 145} 146