2009-06-29 Tristan Gingold <gingold@adacore.com>
* i386-darwin-tdep.c (amd64_darwin_thread_state_reg_offset) (amd64_darwin_thread_state_num_regs) (amd64_darwin_sigcontext_addr, x86_darwin_init_abi_64): Moved to amd64-darwin-tdep.c (_initialize_i386_darwin_tdep): Remove 64 bits parts. (darwin_dwarf_signal_frame_p): Make public. * amd64-darwin-tdep.c: New file with most chunks from i386-darwin-tdep.c * i386-darwin-tdep.h: Add a prototype for darwin_dwarf_signal_frame_p. (amd64_darwin_thread_state_reg_offset) (amd64_darwin_thread_state_num_regs): Moved to amd64-darwin-tdep.h * amd64-darwin-tdep.h: New file. * i386-darwin-nat.c: Only includes amd64-nat.h and amd64-darwin-tdep.h if BFD64 is defined. (i386_darwin_fetch_inferior_registers): Add #ifdef BFD64/#endif around 64 bits parts. (i386_darwin_store_inferior_registers): Ditto. (darwin_set_sstep): Ditto. (darwin_complete_target): Ditto. (amd64_darwin_sstep_at_sigreturn): Ditto. * configure.tgt: Create a separate entry for x86_64-*-darwin. Add 64 bits support for i386-*-darwin if --enable-64-bit-bfd. * Makefile.in (ALLDEPFILES): Add amd64-darwin-tdep.c, darwin-nat.c, i386-darwin-tdep.c i386-darwin-nat.c (ALL_64_TARGET_OBS): Add amd64-darwin-tdep.o
This commit is contained in:
Tristan Gingold
parent
27505b5d0f
commit
5cd226f275
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@ -1,3 +1,31 @@
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2009-06-29 Tristan Gingold <gingold@adacore.com>
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* i386-darwin-tdep.c (amd64_darwin_thread_state_reg_offset)
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(amd64_darwin_thread_state_num_regs)
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(amd64_darwin_sigcontext_addr, x86_darwin_init_abi_64): Moved to
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amd64-darwin-tdep.c
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(_initialize_i386_darwin_tdep): Remove 64 bits parts.
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(darwin_dwarf_signal_frame_p): Make public.
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* amd64-darwin-tdep.c: New file with most chunks from
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i386-darwin-tdep.c
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* i386-darwin-tdep.h: Add a prototype for darwin_dwarf_signal_frame_p.
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(amd64_darwin_thread_state_reg_offset)
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(amd64_darwin_thread_state_num_regs): Moved to amd64-darwin-tdep.h
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* amd64-darwin-tdep.h: New file.
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* i386-darwin-nat.c: Only includes amd64-nat.h and amd64-darwin-tdep.h
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if BFD64 is defined.
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(i386_darwin_fetch_inferior_registers): Add #ifdef BFD64/#endif around
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64 bits parts.
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(i386_darwin_store_inferior_registers): Ditto.
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(darwin_set_sstep): Ditto.
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(darwin_complete_target): Ditto.
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(amd64_darwin_sstep_at_sigreturn): Ditto.
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* configure.tgt: Create a separate entry for x86_64-*-darwin.
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Add 64 bits support for i386-*-darwin if --enable-64-bit-bfd.
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* Makefile.in (ALLDEPFILES): Add amd64-darwin-tdep.c, darwin-nat.c,
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i386-darwin-tdep.c i386-darwin-nat.c
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(ALL_64_TARGET_OBS): Add amd64-darwin-tdep.o
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2009-07-02 Pedro Alves <pedro@codesourcery.com>
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* linux-fork.c (forks_exist_p): Drop unnecessary extern.
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@ -466,7 +466,8 @@ TARGET_OBS = @TARGET_OBS@
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ALL_64_TARGET_OBS = \
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alphabsd-tdep.o alphafbsd-tdep.o alpha-linux-tdep.o alpha-mdebug-tdep.o \
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alphanbsd-tdep.o alphaobsd-tdep.o alpha-osf1-tdep.o alpha-tdep.o \
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amd64fbsd-tdep.o amd64-dicos-tdep.o amd64-linux-tdep.o amd64nbsd-tdep.o \
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amd64fbsd-tdep.o amd64-darwin-tdep.o amd64-dicos-tdep.o \
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amd64-linux-tdep.o amd64nbsd-tdep.o \
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amd64obsd-tdep.o amd64-sol2-tdep.o amd64-tdep.o amd64-windows-tdep.o \
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ia64-linux-tdep.o ia64-tdep.o \
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mips64obsd-tdep.o \
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@ -1290,6 +1291,7 @@ ALLDEPFILES = \
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amd64bsd-nat.c amd64fbsd-nat.c amd64fbsd-tdep.c \
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amd64nbsd-nat.c amd64nbsd-tdep.c \
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amd64obsd-nat.c amd64obsd-tdep.c \
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amd64-darwin-tdep.c \
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amd64-dicos-tdep.c \
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amd64-linux-nat.c amd64-linux-tdep.c \
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amd64-sol2-tdep.c \
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@ -1298,7 +1300,7 @@ ALLDEPFILES = \
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avr-tdep.c \
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bsd-uthread.c bsd-kvm.c \
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core-regset.c corelow.c \
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dcache.c dicos-tdep.c \
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dcache.c dicos-tdep.c darwin-nat.c \
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exec.c \
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fbsd-nat.c \
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fork-child.c \
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@ -1314,6 +1316,7 @@ ALLDEPFILES = \
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i386bsd-nat.c i386bsd-tdep.c i386fbsd-nat.c i386fbsd-tdep.c \
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i386nbsd-nat.c i386nbsd-tdep.c i386obsd-nat.c i386obsd-tdep.c \
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i387-tdep.c \
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i386-darwin-tdep.c i386-darwin-nat.c \
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i386-dicos-tdep.c \
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i386-linux-tdep.c i386-nat.c \
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i386-sol2-nat.c i386-sol2-tdep.c \
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@ -0,0 +1,129 @@
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/* Darwin support for GDB, the GNU debugger.
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Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2005, 2008, 2009
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Free Software Foundation, Inc.
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Contributed by Apple Computer, Inc.
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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 "inferior.h"
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#include "gdbcore.h"
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#include "target.h"
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#include "floatformat.h"
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#include "symtab.h"
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#include "regcache.h"
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#include "libbfd.h"
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#include "objfiles.h"
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#include "i387-tdep.h"
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#include "amd64-tdep.h"
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#include "osabi.h"
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#include "ui-out.h"
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#include "symtab.h"
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#include "frame.h"
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#include "gdb_assert.h"
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#include "amd64-darwin-tdep.h"
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#include "i386-darwin-tdep.h"
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#include "solib.h"
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#include "solib-darwin.h"
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#include "dwarf2-frame.h"
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/* Offsets into the struct x86_thread_state64 where we'll find the saved regs.
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From <mach/i386/thread_status.h> and amd64-tdep.h. */
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int amd64_darwin_thread_state_reg_offset[] =
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{
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0 * 8, /* %rax */
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1 * 8, /* %rbx */
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2 * 8, /* %rcx */
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3 * 8, /* %rdx */
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5 * 8, /* %rsi */
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4 * 8, /* %rdi */
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6 * 8, /* %rbp */
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7 * 8, /* %rsp */
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8 * 8, /* %r8 ... */
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9 * 8,
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10 * 8,
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11 * 8,
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12 * 8,
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13 * 8,
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14 * 8,
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15 * 8, /* ... %r15 */
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16 * 8, /* %rip */
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17 * 8, /* %rflags */
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18 * 8, /* %cs */
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-1, /* %ss */
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-1, /* %ds */
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-1, /* %es */
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19 * 8, /* %fs */
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20 * 8 /* %gs */
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};
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const int amd64_darwin_thread_state_num_regs =
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ARRAY_SIZE (amd64_darwin_thread_state_reg_offset);
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/* Assuming THIS_FRAME is a Darwin sigtramp routine, return the
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address of the associated sigcontext structure. */
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static CORE_ADDR
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amd64_darwin_sigcontext_addr (struct frame_info *this_frame)
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{
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struct gdbarch *gdbarch = get_frame_arch (this_frame);
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enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
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CORE_ADDR rbx;
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CORE_ADDR si;
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gdb_byte buf[8];
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/* A pointer to the ucontext is passed as the fourth argument
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to the signal handler, which is saved in rbx. */
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get_frame_register (this_frame, AMD64_RBX_REGNUM, buf);
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rbx = extract_unsigned_integer (buf, 8, byte_order);
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/* The pointer to mcontext is at offset 48. */
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read_memory (rbx + 48, buf, 8);
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/* First register (rax) is at offset 16. */
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return extract_unsigned_integer (buf, 8, byte_order) + 16;
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}
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static void
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x86_darwin_init_abi_64 (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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amd64_init_abi (info, gdbarch);
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tdep->struct_return = reg_struct_return;
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dwarf2_frame_set_signal_frame_p (gdbarch, darwin_dwarf_signal_frame_p);
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tdep->sigtramp_p = i386_sigtramp_p;
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tdep->sigcontext_addr = amd64_darwin_sigcontext_addr;
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tdep->sc_reg_offset = amd64_darwin_thread_state_reg_offset;
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tdep->sc_num_regs = amd64_darwin_thread_state_num_regs;
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tdep->jb_pc_offset = 148;
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set_solib_ops (gdbarch, &darwin_so_ops);
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}
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void
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_initialize_amd64_darwin_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_DARWIN, x86_darwin_init_abi_64);
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}
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@ -0,0 +1,28 @@
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/* Target-dependent code for Darwin x86-64.
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Copyright (C) 2009 Free Software Foundation, Inc.
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This file is part of GDB.
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|
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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.
|
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|
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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.
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||||
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||||
You should have received a copy of the GNU General Public License
|
||||
along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef __AMD64_DARWIN_TDEP_H__
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#define __AMD64_DARWIN_TDEP_H__
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/* Mapping between the general-purpose registers in Darwin x86-64 thread
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state and GDB's register cache layout.
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Indexed by amd64_regnum. */
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extern int amd64_darwin_thread_state_reg_offset[];
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extern const int amd64_darwin_thread_state_num_regs;
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#endif /* __AMD64_DARWIN_TDEP_H__ */
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@ -151,10 +151,14 @@ hppa*-*-*)
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gdb_target_obs="hppa-tdep.o"
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;;
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i[34567]86-*-darwin* | x86_64-*-darwin*)
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i[34567]86-*-darwin*)
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# Target: Darwin/i386
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gdb_target_obs="amd64-tdep.o i386-tdep.o i387-tdep.o \
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gdb_target_obs="i386-tdep.o i387-tdep.o \
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i386-darwin-tdep.o solib.o solib-darwin.o"
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if test "x$enable_64_bit_bfd" = "xyes"; then
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# Target: GNU/Linux x86-64
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gdb_target_obs="amd64-tdep.o amd64-darwin-tdep.o ${gdb_target_obs}"
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fi
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;;
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i[34567]86-*-dicos*)
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# Target: DICOS/i386
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@ -524,6 +528,13 @@ vax-*-*)
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gdb_target_obs="vax-tdep.o"
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;;
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x86_64-*-darwin*)
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# Target: Darwin/x86-64
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gdb_target_obs="amd64-tdep.o i386-tdep.o i387-tdep.o \
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i386-darwin-tdep.o amd64-darwin-tdep.o \
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solib.o solib-darwin.o"
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;;
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x86_64-*-dicos*)
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# Target: DICOS/x86-64
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gdb_target_obs="amd64-tdep.o i386-tdep.o i387-tdep.o \
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|
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@ -30,7 +30,6 @@
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#include "regcache.h"
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#include "gdb_assert.h"
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#include "i386-tdep.h"
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#include "amd64-nat.h"
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#include "i387-tdep.h"
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#include "gdbarch.h"
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#include "arch-utils.h"
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@ -39,6 +38,11 @@
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#include "darwin-nat.h"
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#include "i386-darwin-tdep.h"
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#ifdef BFD64
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#include "amd64-nat.h"
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#include "amd64-darwin-tdep.h"
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#endif
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/* Read register values from the inferior process.
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If REGNO is -1, do this for all registers.
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Otherwise, REGNO specifies which register (so we can save time). */
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@ -50,6 +54,7 @@ i386_darwin_fetch_inferior_registers (struct target_ops *ops,
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int fetched = 0;
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struct gdbarch *gdbarch = get_regcache_arch (regcache);
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#ifdef BFD64
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if (gdbarch_ptr_bit (gdbarch) == 64)
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{
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if (regno == -1 || amd64_native_gregset_supplies_p (gdbarch, regno))
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@ -89,6 +94,7 @@ i386_darwin_fetch_inferior_registers (struct target_ops *ops,
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}
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}
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else
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#endif
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{
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if (regno == -1 || regno < I386_NUM_GREGS)
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{
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@ -151,6 +157,7 @@ i386_darwin_store_inferior_registers (struct target_ops *ops,
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thread_t current_thread = ptid_get_tid (inferior_ptid);
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struct gdbarch *gdbarch = get_regcache_arch (regcache);
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#ifdef BFD64
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if (gdbarch_ptr_bit (gdbarch) == 64)
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{
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if (regno == -1 || amd64_native_gregset_supplies_p (gdbarch, regno))
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@ -196,6 +203,7 @@ i386_darwin_store_inferior_registers (struct target_ops *ops,
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}
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}
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else
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#endif
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{
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if (regno == -1 || regno < I386_NUM_GREGS)
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{
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@ -475,6 +483,7 @@ i386_darwin_sstep_at_sigreturn (x86_thread_state_t *regs)
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return 0;
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}
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#ifdef BFD64
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static int
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amd64_darwin_sstep_at_sigreturn (x86_thread_state_t *regs)
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{
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@ -504,6 +513,7 @@ amd64_darwin_sstep_at_sigreturn (x86_thread_state_t *regs)
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}
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return 0;
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}
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#endif
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void
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darwin_set_sstep (thread_t thread, int enable)
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@ -537,6 +547,7 @@ darwin_set_sstep (thread_t thread, int enable)
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MACH_CHECK_ERROR (kret);
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}
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break;
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||||
#ifdef BFD64
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||||
case x86_THREAD_STATE64:
|
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{
|
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__uint64_t bit = enable ? X86_EFLAGS_T : 0;
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|
|
@ -551,6 +562,7 @@ darwin_set_sstep (thread_t thread, int enable)
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MACH_CHECK_ERROR (kret);
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}
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break;
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#endif
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||||
default:
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error (_("darwin_set_sstep: unknown flavour: %d\n"), regs.tsh.flavor);
|
||||
}
|
||||
|
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@ -559,10 +571,12 @@ darwin_set_sstep (thread_t thread, int enable)
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void
|
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darwin_complete_target (struct target_ops *target)
|
||||
{
|
||||
#ifdef BFD64
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||||
amd64_native_gregset64_reg_offset = amd64_darwin_thread_state_reg_offset;
|
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amd64_native_gregset64_num_regs = amd64_darwin_thread_state_num_regs;
|
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amd64_native_gregset32_reg_offset = i386_darwin_thread_state_reg_offset;
|
||||
amd64_native_gregset32_num_regs = i386_darwin_thread_state_num_regs;
|
||||
#endif
|
||||
|
||||
target->to_fetch_registers = i386_darwin_fetch_inferior_registers;
|
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target->to_store_registers = i386_darwin_store_inferior_registers;
|
||||
|
|
|
|||
|
|
@ -32,7 +32,6 @@
|
|||
|
||||
#include "i387-tdep.h"
|
||||
#include "i386-tdep.h"
|
||||
#include "amd64-tdep.h"
|
||||
#include "osabi.h"
|
||||
#include "ui-out.h"
|
||||
#include "symtab.h"
|
||||
|
|
@ -68,39 +67,6 @@ int i386_darwin_thread_state_reg_offset[] =
|
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const int i386_darwin_thread_state_num_regs =
|
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ARRAY_SIZE (i386_darwin_thread_state_reg_offset);
|
||||
|
||||
/* Offsets into the struct x86_thread_state64 where we'll find the saved regs.
|
||||
From <mach/i386/thread_status.h> and amd64-tdep.h. */
|
||||
int amd64_darwin_thread_state_reg_offset[] =
|
||||
{
|
||||
0 * 8, /* %rax */
|
||||
1 * 8, /* %rbx */
|
||||
2 * 8, /* %rcx */
|
||||
3 * 8, /* %rdx */
|
||||
5 * 8, /* %rsi */
|
||||
4 * 8, /* %rdi */
|
||||
6 * 8, /* %rbp */
|
||||
7 * 8, /* %rsp */
|
||||
8 * 8, /* %r8 ... */
|
||||
9 * 8,
|
||||
10 * 8,
|
||||
11 * 8,
|
||||
12 * 8,
|
||||
13 * 8,
|
||||
14 * 8,
|
||||
15 * 8, /* ... %r15 */
|
||||
16 * 8, /* %rip */
|
||||
17 * 8, /* %rflags */
|
||||
18 * 8, /* %cs */
|
||||
-1, /* %ss */
|
||||
-1, /* %ds */
|
||||
-1, /* %es */
|
||||
19 * 8, /* %fs */
|
||||
20 * 8 /* %gs */
|
||||
};
|
||||
|
||||
const int amd64_darwin_thread_state_num_regs =
|
||||
ARRAY_SIZE (amd64_darwin_thread_state_reg_offset);
|
||||
|
||||
/* Assuming THIS_FRAME is a Darwin sigtramp routine, return the
|
||||
address of the associated sigcontext structure. */
|
||||
|
||||
|
|
@ -128,27 +94,6 @@ i386_darwin_sigcontext_addr (struct frame_info *this_frame)
|
|||
return extract_unsigned_integer (buf, 4, byte_order) + 12;
|
||||
}
|
||||
|
||||
static CORE_ADDR
|
||||
amd64_darwin_sigcontext_addr (struct frame_info *this_frame)
|
||||
{
|
||||
struct gdbarch *gdbarch = get_frame_arch (this_frame);
|
||||
enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
|
||||
CORE_ADDR rbx;
|
||||
CORE_ADDR si;
|
||||
gdb_byte buf[8];
|
||||
|
||||
/* A pointer to the ucontext is passed as the fourth argument
|
||||
to the signal handler, which is saved in rbx. */
|
||||
get_frame_register (this_frame, AMD64_RBX_REGNUM, buf);
|
||||
rbx = extract_unsigned_integer (buf, 8, byte_order);
|
||||
|
||||
/* The pointer to mcontext is at offset 48. */
|
||||
read_memory (rbx + 48, buf, 8);
|
||||
|
||||
/* First register (rax) is at offset 16. */
|
||||
return extract_unsigned_integer (buf, 8, byte_order) + 16;
|
||||
}
|
||||
|
||||
/* Return true if the PC of THIS_FRAME is in a signal trampoline which
|
||||
may have DWARF-2 CFI.
|
||||
|
||||
|
|
@ -157,7 +102,7 @@ amd64_darwin_sigcontext_addr (struct frame_info *this_frame)
|
|||
Without this function, the frame is recognized as a normal frame which is
|
||||
not expected. */
|
||||
|
||||
static int
|
||||
int
|
||||
darwin_dwarf_signal_frame_p (struct gdbarch *gdbarch,
|
||||
struct frame_info *this_frame)
|
||||
{
|
||||
|
|
@ -187,27 +132,6 @@ i386_darwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
|
|||
set_solib_ops (gdbarch, &darwin_so_ops);
|
||||
}
|
||||
|
||||
static void
|
||||
x86_darwin_init_abi_64 (struct gdbarch_info info, struct gdbarch *gdbarch)
|
||||
{
|
||||
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
|
||||
|
||||
amd64_init_abi (info, gdbarch);
|
||||
|
||||
tdep->struct_return = reg_struct_return;
|
||||
|
||||
dwarf2_frame_set_signal_frame_p (gdbarch, darwin_dwarf_signal_frame_p);
|
||||
|
||||
tdep->sigtramp_p = i386_sigtramp_p;
|
||||
tdep->sigcontext_addr = amd64_darwin_sigcontext_addr;
|
||||
tdep->sc_reg_offset = amd64_darwin_thread_state_reg_offset;
|
||||
tdep->sc_num_regs = amd64_darwin_thread_state_num_regs;
|
||||
|
||||
tdep->jb_pc_offset = 148;
|
||||
|
||||
set_solib_ops (gdbarch, &darwin_so_ops);
|
||||
}
|
||||
|
||||
static enum gdb_osabi
|
||||
i386_mach_o_osabi_sniffer (bfd *abfd)
|
||||
{
|
||||
|
|
@ -228,7 +152,4 @@ _initialize_i386_darwin_tdep (void)
|
|||
|
||||
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_i386_i386,
|
||||
GDB_OSABI_DARWIN, i386_darwin_init_abi);
|
||||
|
||||
gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
|
||||
GDB_OSABI_DARWIN, x86_darwin_init_abi_64);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -19,15 +19,14 @@
|
|||
#ifndef __I386_DARWIN_TDEP_H__
|
||||
#define __I386_DARWIN_TDEP_H__
|
||||
|
||||
#include "defs.h"
|
||||
#include "frame.h"
|
||||
|
||||
/* Mapping between the general-purpose registers in Darwin x86 thread_state
|
||||
struct and GDB's register cache layout. */
|
||||
extern int i386_darwin_thread_state_reg_offset[];
|
||||
extern const int i386_darwin_thread_state_num_regs;
|
||||
|
||||
/* Mapping between the general-purpose registers in Darwin x86-64 thread
|
||||
state and GDB's register cache layout.
|
||||
Indexed by amd64_regnum. */
|
||||
extern int amd64_darwin_thread_state_reg_offset[];
|
||||
extern const int amd64_darwin_thread_state_num_regs;
|
||||
int darwin_dwarf_signal_frame_p (struct gdbarch *, struct frame_info *);
|
||||
|
||||
#endif /* __I386_DARWIN_TDEP_H__ */
|
||||
|
|
|
|||
Loading…
Reference in New Issue