| /* Target-dependent code for AMD64 Solaris. |
| |
| Copyright (C) 2001-2024 Free Software Foundation, Inc. |
| |
| Contributed by Joseph Myers, CodeSourcery, LLC. |
| |
| 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 3 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, see <http://www.gnu.org/licenses/>. */ |
| |
| #include "frame.h" |
| #include "gdbcore.h" |
| #include "regcache.h" |
| #include "osabi.h" |
| #include "symtab.h" |
| |
| #include "sol2-tdep.h" |
| #include "amd64-tdep.h" |
| #include "gdbsupport/x86-xstate.h" |
| #include "solib-svr4.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_gregset_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 */ |
| 19 * 8, /* %eflags */ |
| 18 * 8, /* %cs */ |
| 21 * 8, /* %ss */ |
| 25 * 8, /* %ds */ |
| 24 * 8, /* %es */ |
| 22 * 8, /* %fs */ |
| 23 * 8 /* %gs */ |
| }; |
| |
| |
| /* Solaris doesn't have a 'struct sigcontext', but it does have a |
| 'mcontext_t' that contains the saved set of machine registers. */ |
| |
| static CORE_ADDR |
| amd64_sol2_mcontext_addr (const frame_info_ptr &this_frame) |
| { |
| CORE_ADDR sp, ucontext_addr; |
| |
| sp = get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM); |
| ucontext_addr = get_frame_memory_unsigned (this_frame, sp + 8, 8); |
| |
| return ucontext_addr + 72; |
| } |
| |
| static void |
| amd64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch) |
| { |
| i386_gdbarch_tdep *tdep = gdbarch_tdep<i386_gdbarch_tdep> (gdbarch); |
| |
| tdep->gregset_reg_offset = amd64_sol2_gregset_reg_offset; |
| tdep->gregset_num_regs = ARRAY_SIZE (amd64_sol2_gregset_reg_offset); |
| tdep->sizeof_gregset = 28 * 8; |
| |
| amd64_init_abi (info, gdbarch, |
| amd64_target_description (X86_XSTATE_SSE_MASK, true)); |
| |
| sol2_init_abi (info, gdbarch); |
| |
| tdep->sigtramp_p = sol2_sigtramp_p; |
| tdep->sigcontext_addr = amd64_sol2_mcontext_addr; |
| tdep->sc_reg_offset = tdep->gregset_reg_offset; |
| tdep->sc_num_regs = tdep->gregset_num_regs; |
| |
| /* Solaris uses SVR4-style shared libraries. */ |
| set_solib_svr4_fetch_link_map_offsets |
| (gdbarch, svr4_lp64_fetch_link_map_offsets); |
| } |
| |
| void _initialize_amd64_sol2_tdep (); |
| void |
| _initialize_amd64_sol2_tdep () |
| { |
| gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64, |
| GDB_OSABI_SOLARIS, amd64_sol2_init_abi); |
| } |