2003-10-11 Mark Kettenis <kettenis@gnu.org>
+ * i386fbsd-tdep.c: New file.
+ (i386fbsd_sigtramp_start, i386fbsd_sigtramp_end,
+ i386fbsd_sc_reg_offset, i386fbsdaout_init_abi, i386fbsd_init_abi,
+ i386fbsd4_sc_reg_offset, i386fbsd4_init_abi): Move here from
+ i386bsd-tdep.c.
+ (_initialize_i386fbsd_tdep): New function.
+ (i386fbsd_r_reg_offset, i386fbsd4_r_reg_offset): New varibles.
+ (i386fbsdaout_init_abi): Initialize TDEP->gregset_reg_offset,
+ TDEP->gregset_num_regs, TDEP->sizeof_gregset and
+ TDEP->sizeof_fpregset. Use ARRAY_SIZE to initialize
+ TDEP->sc_num_regs.
+ (i386fbsd4_init_abi): Initialize TDEP->gregset_reg_offset,
+ TDEP->gregset_num_regs and TDEP->sizeof_gregset. Use ARRAY_SIZE
+ to initialize TDEP->sc_num_regs.
+ * i386bsd-tdep.c (i386fbsd_sigtramp_start, i386fbsd_sigtramp_end,
+ i386fbsd_sc_reg_offset, i386fbsdaout_init_abi, i386fbsd_init_abi,
+ i386fbsd4_sc_reg_offset, i386fbsd4_init_abi): Remove.
+ (_initialize_i386bsd_tdep): Don't register FreeBSD a.out and
+ FreeBSD ELF OS/ABI's here.
+ * Makefile.in (ALLDEPFILES): Add i386fbsd-tdep.c.
+ (i386fbsd-tdep.o): New target.
+ * config/i386/fbsd.mt (TDEPFILES): Add i386fbsd-tdep.o.
+ * config/i386/fbsd64.mt (TDEPFILES): Add i386fbsd-tdep.o.
+
* amd64fbsd-tdep.c (amd64fbsd_r_reg_offset): New variable.
(amd64fbsd_init_abi): Set TDEP->gregset_reg_offset,
TDEP->gregset_num_regs and TDEP->sizeof_gregset. Use ARRAY_SIZE
/* Target-dependent code for i386 BSD's.
+
Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
tdep->sc_num_regs = I386_NUM_GREGS;
}
-/* FreeBSD 3.0-RELEASE or later. */
-
-CORE_ADDR i386fbsd_sigtramp_start = 0xbfbfdf20;
-CORE_ADDR i386fbsd_sigtramp_end = 0xbfbfdff0;
-
-/* From <machine/signal.h>. */
-int i386fbsd_sc_reg_offset[I386_NUM_GREGS] =
-{
- 8 + 14 * 4, /* %eax */
- 8 + 13 * 4, /* %ecx */
- 8 + 12 * 4, /* %edx */
- 8 + 11 * 4, /* %ebx */
- 8 + 0 * 4, /* %esp */
- 8 + 1 * 4, /* %ebp */
- 8 + 10 * 4, /* %esi */
- 8 + 9 * 4, /* %edi */
- 8 + 3 * 4, /* %eip */
- 8 + 4 * 4, /* %eflags */
- 8 + 7 * 4, /* %cs */
- 8 + 8 * 4, /* %ss */
- 8 + 6 * 4, /* %ds */
- 8 + 5 * 4, /* %es */
- 8 + 15 * 4, /* %fs */
- 8 + 16 * 4 /* %gs */
-};
-
-static void
-i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- /* Obviously FreeBSD is BSD-based. */
- i386bsd_init_abi (info, gdbarch);
-
- /* FreeBSD uses -freg-struct-return by default. */
- tdep->struct_return = reg_struct_return;
-
- /* FreeBSD uses a different memory layout. */
- tdep->sigtramp_start = i386fbsd_sigtramp_start;
- tdep->sigtramp_end = i386fbsd_sigtramp_end;
-
- /* FreeBSD has a more complete `struct sigcontext'. */
- tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
- tdep->sc_num_regs = I386_NUM_GREGS;
-}
-
-static void
-i386fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- /* It's almost identical to FreeBSD a.out. */
- i386fbsdaout_init_abi (info, gdbarch);
-
- /* Except that it uses ELF. */
- i386_elf_init_abi (info, gdbarch);
-
- /* FreeBSD ELF uses SVR4-style shared libraries. */
- set_gdbarch_in_solib_call_trampoline (gdbarch,
- generic_in_solib_call_trampoline);
-}
-
-/* FreeBSD 4.0-RELEASE or later. */
-
-/* From <machine/signal.h>. */
-int i386fbsd4_sc_reg_offset[I386_NUM_GREGS] =
-{
- 20 + 11 * 4, /* %eax */
- 20 + 10 * 4, /* %ecx */
- 20 + 9 * 4, /* %edx */
- 20 + 8 * 4, /* %ebx */
- 20 + 17 * 4, /* %esp */
- 20 + 6 * 4, /* %ebp */
- 20 + 5 * 4, /* %esi */
- 20 + 4 * 4, /* %edi */
- 20 + 14 * 4, /* %eip */
- 20 + 16 * 4, /* %eflags */
- 20 + 15 * 4, /* %cs */
- 20 + 18 * 4, /* %ss */
- 20 + 3 * 4, /* %ds */
- 20 + 2 * 4, /* %es */
- 20 + 1 * 4, /* %fs */
- 20 + 0 * 4 /* %gs */
-};
-
-static void
-i386fbsd4_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
- /* Inherit stuff from older releases. We assume that FreeBSD
- 4.0-RELEASE always uses ELF. */
- i386fbsd_init_abi (info, gdbarch);
-
- /* FreeBSD 4.0 introduced a new `struct sigcontext'. */
- tdep->sc_reg_offset = i386fbsd4_sc_reg_offset;
- tdep->sc_num_regs = I386_NUM_GREGS;
-}
-
\f
static enum gdb_osabi
i386bsd_aout_osabi_sniffer (bfd *abfd)
{
gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_aout_flavour,
i386bsd_aout_osabi_sniffer);
-
- gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_AOUT,
- i386fbsdaout_init_abi);
- gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_ELF,
- i386fbsd4_init_abi);
}
--- /dev/null
+/* Target-dependent code for FreeBSD/i386.
+
+ Copyright 2003 Free Software Foundation, Inc.
+
+ 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 2 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, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include "defs.h"
+#include "arch-utils.h"
+#include "osabi.h"
+
+#include "i386-tdep.h"
+#include "i387-tdep.h"
+
+/* FreeBSD 3.0-RELEASE or later. */
+
+/* From <machine/reg.h>. */
+static int i386fbsd_r_reg_offset[] =
+{
+ 9 * 4, 8 * 4, 7 * 4, 6 * 4, /* %eax, %ecx, %edx, %ebx */
+ 15 * 4, 4 * 4, /* %esp, %ebp */
+ 3 * 4, 2 * 4, /* %esi, %edi */
+ 12 * 4, 14 * 4, /* %eip, %eflags */
+ 13 * 4, 16 * 4, /* %cs, %ss */
+ 1 * 4, 0 * 4, -1, -1 /* %ds, %es, %fs, %gs */
+};
+
+CORE_ADDR i386fbsd_sigtramp_start = 0xbfbfdf20;
+CORE_ADDR i386fbsd_sigtramp_end = 0xbfbfdff0;
+
+/* From <machine/signal.h>. */
+static int i386fbsd_sc_reg_offset[] =
+{
+ 8 + 14 * 4, /* %eax */
+ 8 + 13 * 4, /* %ecx */
+ 8 + 12 * 4, /* %edx */
+ 8 + 11 * 4, /* %ebx */
+ 8 + 0 * 4, /* %esp */
+ 8 + 1 * 4, /* %ebp */
+ 8 + 10 * 4, /* %esi */
+ 8 + 9 * 4, /* %edi */
+ 8 + 3 * 4, /* %eip */
+ 8 + 4 * 4, /* %eflags */
+ 8 + 7 * 4, /* %cs */
+ 8 + 8 * 4, /* %ss */
+ 8 + 6 * 4, /* %ds */
+ 8 + 5 * 4, /* %es */
+ 8 + 15 * 4, /* %fs */
+ 8 + 16 * 4 /* %gs */
+};
+
+static void
+i386fbsdaout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ /* Obviously FreeBSD is BSD-based. */
+ i386bsd_init_abi (info, gdbarch);
+
+ /* FreeBSD has a different `struct reg', and reserves some space for
+ its FPU emulator in `struct fpreg'. */
+ tdep->gregset_reg_offset = i386fbsd_r_reg_offset;
+ tdep->gregset_num_regs = ARRAY_SIZE (i386fbsd_r_reg_offset);
+ tdep->sizeof_gregset = 18 * 4;
+ tdep->sizeof_fpregset = 176;
+
+ /* FreeBSD uses -freg-struct-return by default. */
+ tdep->struct_return = reg_struct_return;
+
+ /* FreeBSD uses a different memory layout. */
+ tdep->sigtramp_start = i386fbsd_sigtramp_start;
+ tdep->sigtramp_end = i386fbsd_sigtramp_end;
+
+ /* FreeBSD has a more complete `struct sigcontext'. */
+ tdep->sc_reg_offset = i386fbsd_sc_reg_offset;
+ tdep->sc_num_regs = ARRAY_SIZE (i386fbsd_sc_reg_offset);
+}
+
+static void
+i386fbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ /* It's almost identical to FreeBSD a.out. */
+ i386fbsdaout_init_abi (info, gdbarch);
+
+ /* Except that it uses ELF. */
+ i386_elf_init_abi (info, gdbarch);
+
+ /* FreeBSD ELF uses SVR4-style shared libraries. */
+ set_gdbarch_in_solib_call_trampoline (gdbarch,
+ generic_in_solib_call_trampoline);
+}
+
+/* FreeBSD 4.0-RELEASE or later. */
+
+/* From <machine/reg.h>. */
+static int i386fbsd4_r_reg_offset[] =
+{
+ 10 * 4, 9 * 4, 8 * 4, 7 * 4, /* %eax, %ecx, %edx, %ebx */
+ 16 * 4, 5 * 4, /* %esp, %ebp */
+ 4 * 4, 3 * 4, /* %esi, %edi */
+ 13 * 4, 15 * 4, /* %eip, %eflags */
+ 14 * 4, 17 * 4, /* %cs, %ss */
+ 2 * 4, 1 * 4, 0 * 4, 18 * 4 /* %ds, %es, %fs, %gs */
+};
+
+/* From <machine/signal.h>. */
+int i386fbsd4_sc_reg_offset[] =
+{
+ 20 + 11 * 4, /* %eax */
+ 20 + 10 * 4, /* %ecx */
+ 20 + 9 * 4, /* %edx */
+ 20 + 8 * 4, /* %ebx */
+ 20 + 17 * 4, /* %esp */
+ 20 + 6 * 4, /* %ebp */
+ 20 + 5 * 4, /* %esi */
+ 20 + 4 * 4, /* %edi */
+ 20 + 14 * 4, /* %eip */
+ 20 + 16 * 4, /* %eflags */
+ 20 + 15 * 4, /* %cs */
+ 20 + 18 * 4, /* %ss */
+ 20 + 3 * 4, /* %ds */
+ 20 + 2 * 4, /* %es */
+ 20 + 1 * 4, /* %fs */
+ 20 + 0 * 4 /* %gs */
+};
+
+static void
+i386fbsd4_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ /* Inherit stuff from older releases. We assume that FreeBSD
+ 4.0-RELEASE always uses ELF. */
+ i386fbsd_init_abi (info, gdbarch);
+
+ /* FreeBSD 4.0 introduced a new `struct reg'. */
+ tdep->gregset_reg_offset = i386fbsd4_r_reg_offset;
+ tdep->gregset_num_regs = ARRAY_SIZE (i386fbsd4_r_reg_offset);
+ tdep->sizeof_gregset = 19 * 4;
+
+ /* FreeBSD 4.0 introduced a new `struct sigcontext'. */
+ tdep->sc_reg_offset = i386fbsd4_sc_reg_offset;
+ tdep->sc_num_regs = ARRAY_SIZE (i386fbsd4_sc_reg_offset);
+}
+
+\f
+/* Provide a prototype to silence -Wmissing-prototypes. */
+void _initialize_i386fbsd_tdep (void);
+
+void
+_initialize_i386fbsd_tdep (void)
+{
+ gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_AOUT,
+ i386fbsdaout_init_abi);
+ gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_ELF,
+ i386fbsd4_init_abi);
+}
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