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* amd64-tdep.c (amd64_frame_cache): Expect this_frame. (amd64_frame_this_id, amd64_frame_prev_register): Update signature. (amd64_frame_unwind): Use default_frame_sniffer. (amd64_frame_sniffer): Delete. (amd64_sigtramp_frame_cache): Expect this_frame. (amd64_sigtramp_frame_this_id, amd64_sigtramp_frame_prev_register) (amd64_sigtramp_frame_sniffer): Update signature. (amd64_sigtramp_frame_unwind): Add amd64_sigtramp_frame_sniffer. (amd64_frame_base_address): Expect this_frame. (amd64_dummy_id): Renamed from amd64_unwind_dummy_id. Expect this_frame. (amd64_init_abi): Use set_gdbarch_dummy_id and frame_unwind_append_unwinder. * i386-tdep.c (i386_frame_cache): Expect this_frame. (i386_frame_this_id, i386_frame_prev_register): Update signature. (i386_frame_unwind): Use default_frame_sniffer. (i386_frame_sniffer): Delete. (i386_sigtramp_frame_cache): Expect this_frame. (i386_sigtramp_frame_this_id, i386_sigtramp_frame_prev_register) (i386_sigtramp_frame_sniffer): Update signature. (i386_sigtramp_frame_unwind): Use i386_sigtramp_frame_sniffer. (i386_frame_base_address): Update signature. (i386_dummy_id): Rename from i386_unwind_dummy_id. Expect this_frame. (i386_push_dummy_call): Update comment. (i386_sigtramp_p, i386_svr4_sigtramp_p, i386_svr4_sigcontext_addr): Expect this_frame. (i386_gdbarch_init): Use set_gdbarch_dummy_id, dwarf2_append_unwinders, and frame_unwind_append_unwinder. * amd64-linux-tdep.c, amd64-sol2-tdep.c, amd64fbsd-tdep.c, amd64nbsd-tdep.c, amd64obsd-tdep.c, i386-linux-tdep.c, i386-nto-tdep.c, i386bsd-tdep.c, i386-sol2-tdep.c, i386obsd-tdep.c, i386nbsd-tdep.c: Update for unwinder changes.
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/* Target-dependent code for AMD64 Solaris.
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Copyright (C) 2001, 2002, 2003, 2004, 2006, 2007, 2008
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Free Software Foundation, Inc.
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Contributed by Joseph Myers, CodeSourcery, LLC.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "defs.h"
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#include "frame.h"
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#include "gdbcore.h"
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#include "regcache.h"
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#include "osabi.h"
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#include "symtab.h"
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#include "gdb_string.h"
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#include "sol2-tdep.h"
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#include "amd64-tdep.h"
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#include "solib-svr4.h"
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/* Mapping between the general-purpose registers in gregset_t format
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and GDB's register cache layout. */
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/* From <sys/regset.h>. */
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static int amd64_sol2_gregset_reg_offset[] = {
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14 * 8, /* %rax */
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11 * 8, /* %rbx */
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13 * 8, /* %rcx */
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12 * 8, /* %rdx */
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9 * 8, /* %rsi */
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8 * 8, /* %rdi */
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10 * 8, /* %rbp */
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20 * 8, /* %rsp */
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7 * 8, /* %r8 ... */
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6 * 8,
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5 * 8,
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4 * 8,
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3 * 8,
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2 * 8,
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1 * 8,
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0 * 8, /* ... %r15 */
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17 * 8, /* %rip */
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16 * 8, /* %eflags */
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18 * 8, /* %cs */
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21 * 8, /* %ss */
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25 * 8, /* %ds */
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24 * 8, /* %es */
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22 * 8, /* %fs */
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23 * 8 /* %gs */
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};
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/* Return whether THIS_FRAME corresponds to a Solaris sigtramp
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routine. */
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static int
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amd64_sol2_sigtramp_p (struct frame_info *this_frame)
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{
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CORE_ADDR pc = get_frame_pc (this_frame);
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char *name;
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find_pc_partial_function (pc, &name, NULL, NULL);
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return (name && (strcmp ("sigacthandler", name) == 0
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|| strcmp (name, "ucbsigvechandler") == 0));
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}
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/* Solaris doesn't have a 'struct sigcontext', but it does have a
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'mcontext_t' that contains the saved set of machine registers. */
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static CORE_ADDR
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amd64_sol2_mcontext_addr (struct frame_info *this_frame)
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{
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CORE_ADDR sp, ucontext_addr;
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sp = get_frame_register_unsigned (this_frame, AMD64_RSP_REGNUM);
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ucontext_addr = get_frame_memory_unsigned (this_frame, sp + 8, 8);
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return ucontext_addr + 72;
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}
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static void
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amd64_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
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{
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struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
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tdep->gregset_reg_offset = amd64_sol2_gregset_reg_offset;
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tdep->gregset_num_regs = ARRAY_SIZE (amd64_sol2_gregset_reg_offset);
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tdep->sizeof_gregset = 28 * 8;
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amd64_init_abi (info, gdbarch);
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tdep->sigtramp_p = amd64_sol2_sigtramp_p;
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tdep->sigcontext_addr = amd64_sol2_mcontext_addr;
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tdep->sc_reg_offset = tdep->gregset_reg_offset;
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tdep->sc_num_regs = tdep->gregset_num_regs;
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/* Solaris uses SVR4-style shared libraries. */
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set_gdbarch_skip_solib_resolver (gdbarch, sol2_skip_solib_resolver);
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set_solib_svr4_fetch_link_map_offsets
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(gdbarch, svr4_lp64_fetch_link_map_offsets);
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}
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/* Provide a prototype to silence -Wmissing-prototypes. */
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extern void _initialize_amd64_sol2_tdep (void);
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void
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_initialize_amd64_sol2_tdep (void)
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{
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gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
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GDB_OSABI_SOLARIS, amd64_sol2_init_abi);
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}
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