| 1 | /* Native-dependent code for Solaris x86. |
| 2 | |
| 3 | Copyright 2004 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 2 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, write to the Free Software |
| 19 | Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #include "defs.h" |
| 23 | #include "regcache.h" |
| 24 | |
| 25 | #include <sys/procfs.h> |
| 26 | #include "gregset.h" |
| 27 | |
| 28 | /* This file provids the (temporary) glue between the Solaris x86 |
| 29 | target dependent code and the machine independent SVR4 /proc |
| 30 | support. */ |
| 31 | |
| 32 | /* Solaris 10 (Solaris 2.10, SunOS 5.10) and up support two process |
| 33 | data models, the traditional 32-bit data model (ILP32) and the |
| 34 | 64-bit data model (LP64). The format of /proc depends on the data |
| 35 | model of the observer (the controlling process, GDB in our case). |
| 36 | The Solaris header files conveniently define PR_MODEL_NATIVE to the |
| 37 | data model of the controlling process. If its value is |
| 38 | PR_MODEL_LP64, we know that GDB is being compiled as a 64-bit |
| 39 | program. |
| 40 | |
| 41 | Note that a 32-bit GDB won't be able to debug a 64-bit target |
| 42 | process using /proc on Solaris. */ |
| 43 | |
| 44 | #if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64) |
| 45 | |
| 46 | #include "amd64-nat.h" |
| 47 | #include "amd64-tdep.h" |
| 48 | |
| 49 | /* Mapping between the general-purpose registers in gregset_t format |
| 50 | and GDB's register cache layout. */ |
| 51 | |
| 52 | /* From <sys/regset.h>. */ |
| 53 | static int amd64_sol2_gregset64_reg_offset[] = { |
| 54 | 14 * 8, /* %rax */ |
| 55 | 11 * 8, /* %rbx */ |
| 56 | 13 * 8, /* %rcx */ |
| 57 | 12 * 8, /* %rdx */ |
| 58 | 9 * 8, /* %rsi */ |
| 59 | 8 * 8, /* %rdi */ |
| 60 | 10 * 8, /* %rbp */ |
| 61 | 20 * 8, /* %rsp */ |
| 62 | 7 * 8, /* %r8 ... */ |
| 63 | 6 * 8, |
| 64 | 5 * 8, |
| 65 | 4 * 8, |
| 66 | 3 * 8, |
| 67 | 2 * 8, |
| 68 | 1 * 8, |
| 69 | 0 * 8, /* ... %r15 */ |
| 70 | 17 * 8, /* %rip */ |
| 71 | 16 * 8, /* %eflags */ |
| 72 | 18 * 8, /* %cs */ |
| 73 | 21 * 8, /* %ss */ |
| 74 | 25 * 8, /* %ds */ |
| 75 | 24 * 8, /* %es */ |
| 76 | 22 * 8, /* %fs */ |
| 77 | 23 * 8 /* %gs */ |
| 78 | }; |
| 79 | |
| 80 | /* 32-bit registers are provided by Solaris in 64-bit format, so just |
| 81 | give a subset of the list above. */ |
| 82 | static int amd64_sol2_gregset32_reg_offset[] = { |
| 83 | 14 * 8, /* %eax */ |
| 84 | 13 * 8, /* %ecx */ |
| 85 | 12 * 8, /* %edx */ |
| 86 | 11 * 8, /* %ebx */ |
| 87 | 20 * 8, /* %esp */ |
| 88 | 10 * 8, /* %ebp */ |
| 89 | 9 * 8, /* %esi */ |
| 90 | 8 * 8, /* %edi */ |
| 91 | 17 * 8, /* %eip */ |
| 92 | 16 * 8, /* %eflags */ |
| 93 | 18 * 8, /* %cs */ |
| 94 | 21 * 8, /* %ss */ |
| 95 | 25 * 8, /* %ds */ |
| 96 | 24 * 8, /* %es */ |
| 97 | 22 * 8, /* %fs */ |
| 98 | 23 * 8 /* %gs */ |
| 99 | }; |
| 100 | |
| 101 | void |
| 102 | supply_gregset (prgregset_t *gregs) |
| 103 | { |
| 104 | amd64_supply_native_gregset (current_regcache, gregs, -1); |
| 105 | } |
| 106 | |
| 107 | void |
| 108 | supply_fpregset (prfpregset_t *fpregs) |
| 109 | { |
| 110 | amd64_supply_fxsave (current_regcache, -1, fpregs); |
| 111 | } |
| 112 | |
| 113 | void |
| 114 | fill_gregset (prgregset_t *gregs, int regnum) |
| 115 | { |
| 116 | amd64_collect_native_gregset (current_regcache, gregs, regnum); |
| 117 | } |
| 118 | |
| 119 | void |
| 120 | fill_fpregset (prfpregset_t *fpregs, int regnum) |
| 121 | { |
| 122 | amd64_collect_fxsave (current_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. */ |
| 132 | extern void _initialize_amd64_sol2_nat (void); |
| 133 | |
| 134 | void |
| 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 | } |