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- /* Target-dependent code for AMD64 Solaris.
- Copyright (C) 2001-2022 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 "defs.h"
- #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 (struct frame_info *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 = (i386_gdbarch_tdep *) 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);
- }
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