1 /* Darwin support for GDB, the GNU debugger.
2 Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2005, 2008, 2009
3 Free Software Foundation, Inc.
5 Contributed by Apple Computer, Inc.
7 This file is part of GDB.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 #include "floatformat.h"
33 #include "i387-tdep.h"
34 #include "i386-tdep.h"
35 #include "amd64-tdep.h"
40 #include "gdb_assert.h"
41 #include "i386-darwin-tdep.h"
43 #include "solib-darwin.h"
45 /* Offsets into the struct i386_thread_state where we'll find the saved regs.
46 From <mach/i386/thread_status.h> and i386-tdep.h. */
47 int i386_darwin_thread_state_reg_offset[] =
67 const int i386_darwin_thread_state_num_regs =
68 ARRAY_SIZE (i386_darwin_thread_state_reg_offset);
70 /* Offsets into the struct x86_thread_state64 where we'll find the saved regs.
71 From <mach/i386/thread_status.h> and amd64-tdep.h. */
72 int amd64_darwin_thread_state_reg_offset[] =
89 15 * 8, /* ... %r15 */
100 const int amd64_darwin_thread_state_num_regs =
101 ARRAY_SIZE (amd64_darwin_thread_state_reg_offset);
104 i386_darwin_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
106 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
108 /* We support the SSE registers. */
109 tdep->num_xmm_regs = I386_NUM_XREGS - 1;
110 set_gdbarch_num_regs (gdbarch, I386_SSE_NUM_REGS);
112 tdep->struct_return = reg_struct_return;
114 tdep->sigcontext_addr = NULL;
115 tdep->sc_reg_offset = i386_darwin_thread_state_reg_offset;
116 tdep->sc_num_regs = 16;
118 tdep->jb_pc_offset = 20;
120 set_solib_ops (gdbarch, &darwin_so_ops);
124 x86_darwin_init_abi_64 (struct gdbarch_info info, struct gdbarch *gdbarch)
126 struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
128 amd64_init_abi (info, gdbarch);
130 tdep->struct_return = reg_struct_return;
132 /* We don't do signals yet. */
133 tdep->sigcontext_addr = NULL;
134 tdep->sc_reg_offset = amd64_darwin_thread_state_reg_offset;
135 tdep->sc_num_regs = ARRAY_SIZE (amd64_darwin_thread_state_reg_offset);
137 tdep->jb_pc_offset = 148;
139 set_solib_ops (gdbarch, &darwin_so_ops);
142 static enum gdb_osabi
143 i386_mach_o_osabi_sniffer (bfd *abfd)
145 if (!bfd_check_format (abfd, bfd_object))
146 return GDB_OSABI_UNKNOWN;
148 if (bfd_get_arch (abfd) == bfd_arch_i386)
149 return GDB_OSABI_DARWIN;
151 return GDB_OSABI_UNKNOWN;
155 _initialize_i386_darwin_tdep (void)
157 gdbarch_register_osabi_sniffer (bfd_arch_unknown, bfd_target_mach_o_flavour,
158 i386_mach_o_osabi_sniffer);
160 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_i386_i386,
161 GDB_OSABI_DARWIN, i386_darwin_init_abi);
163 gdbarch_register_osabi (bfd_arch_i386, bfd_mach_x86_64,
164 GDB_OSABI_DARWIN, x86_darwin_init_abi_64);