/* Native-dependent code for Solaris x86. Copyright (C) 2004, 2007 Free Software Foundation, Inc. This file is part of GDB. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "defs.h" #include "regcache.h" #include <sys/procfs.h> #include "gregset.h" /* This file provids the (temporary) glue between the Solaris x86 target dependent code and the machine independent SVR4 /proc support. */ /* Solaris 10 (Solaris 2.10, SunOS 5.10) and up support two process data models, the traditional 32-bit data model (ILP32) and the 64-bit data model (LP64). The format of /proc depends on the data model of the observer (the controlling process, GDB in our case). The Solaris header files conveniently define PR_MODEL_NATIVE to the data model of the controlling process. If its value is PR_MODEL_LP64, we know that GDB is being compiled as a 64-bit program. Note that a 32-bit GDB won't be able to debug a 64-bit target process using /proc on Solaris. */ #if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64) #include "amd64-nat.h" #include "amd64-tdep.h" /* Mapping between the general-purpose registers in gregset_t format and GDB's register cache layout. */ /* From <sys/regset.h>. */ static int amd64_sol2_gregset64_reg_offset[] = { 14 * 8, /* %rax */ 11 * 8, /* %rbx */ 13 * 8, /* %rcx */ 12 * 8, /* %rdx */ 9 * 8, /* %rsi */ 8 * 8, /* %rdi */ 10 * 8, /* %rbp */ 20 * 8, /* %rsp */ 7 * 8, /* %r8 ... */ 6 * 8, 5 * 8, 4 * 8, 3 * 8, 2 * 8, 1 * 8, 0 * 8, /* ... %r15 */ 17 * 8, /* %rip */ 16 * 8, /* %eflags */ 18 * 8, /* %cs */ 21 * 8, /* %ss */ 25 * 8, /* %ds */ 24 * 8, /* %es */ 22 * 8, /* %fs */ 23 * 8 /* %gs */ }; /* 32-bit registers are provided by Solaris in 64-bit format, so just give a subset of the list above. */ static int amd64_sol2_gregset32_reg_offset[] = { 14 * 8, /* %eax */ 13 * 8, /* %ecx */ 12 * 8, /* %edx */ 11 * 8, /* %ebx */ 20 * 8, /* %esp */ 10 * 8, /* %ebp */ 9 * 8, /* %esi */ 8 * 8, /* %edi */ 17 * 8, /* %eip */ 16 * 8, /* %eflags */ 18 * 8, /* %cs */ 21 * 8, /* %ss */ 25 * 8, /* %ds */ 24 * 8, /* %es */ 22 * 8, /* %fs */ 23 * 8 /* %gs */ }; void supply_gregset (prgregset_t *gregs) { amd64_supply_native_gregset (current_regcache, gregs, -1); } void supply_fpregset (prfpregset_t *fpregs) { amd64_supply_fxsave (current_regcache, -1, fpregs); } void fill_gregset (prgregset_t *gregs, int regnum) { amd64_collect_native_gregset (current_regcache, gregs, regnum); } void fill_fpregset (prfpregset_t *fpregs, int regnum) { amd64_collect_fxsave (current_regcache, regnum, fpregs); } #else /* For 32-bit Solaris x86, we use the Unix SVR4 code in i386v4-nat.c. */ #endif /* Provide a prototype to silence -Wmissing-prototypes. */ extern void _initialize_amd64_sol2_nat (void); void _initialize_amd64_sol2_nat (void) { #if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64) amd64_native_gregset32_reg_offset = amd64_sol2_gregset32_reg_offset; amd64_native_gregset32_num_regs = ARRAY_SIZE (amd64_sol2_gregset32_reg_offset); amd64_native_gregset64_reg_offset = amd64_sol2_gregset64_reg_offset; amd64_native_gregset64_num_regs = ARRAY_SIZE (amd64_sol2_gregset64_reg_offset); #endif }