X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fi386bsd-tdep.c;h=15809b3b9a61ec1724ee10a2ca810ee21d2feccf;hb=6290672f89d5638a9da5ce10b2f4ba793dcc6396;hp=f20953b6dce7e3645a2096e7dad67b1064ab361f;hpb=f561f0263002fbd950e66676a666ee5f46483841;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/i386bsd-tdep.c b/gdb/i386bsd-tdep.c
index f20953b6dc..15809b3b9a 100644
--- a/gdb/i386bsd-tdep.c
+++ b/gdb/i386bsd-tdep.c
@@ -1,12 +1,12 @@
/* Target-dependent code for i386 BSD's.
- Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ Copyright (C) 2001-2016 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
+ 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,
@@ -15,9 +15,7 @@
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. */
+ along with this program. If not, see . */
#include "defs.h"
#include "arch-utils.h"
@@ -26,64 +24,30 @@
#include "regcache.h"
#include "osabi.h"
-#include "gdb_string.h"
-
#include "i386-tdep.h"
/* Support for signal handlers. */
-/* Return whether PC is in a BSD sigtramp routine. */
-
-int
-i386bsd_pc_in_sigtramp (CORE_ADDR pc, char *name)
-{
- struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch);
-
- return (pc >= tdep->sigtramp_start && pc < tdep->sigtramp_end);
-}
-
-/* Assuming NEXT_FRAME is for a frame following a BSD sigtramp
- routine, return the address of the associated sigcontext structure. */
+/* Assuming THIS_FRAME is for a BSD sigtramp routine, return the
+ address of the associated sigcontext structure. */
static CORE_ADDR
-i386bsd_sigcontext_addr (struct frame_info *next_frame)
+i386bsd_sigcontext_addr (struct frame_info *this_frame)
{
- char buf[4];
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ gdb_byte buf[4];
CORE_ADDR sp;
- frame_unwind_register (next_frame, I386_ESP_REGNUM, buf);
- sp = extract_unsigned_integer (buf, 4);
+ get_frame_register (this_frame, I386_ESP_REGNUM, buf);
+ sp = extract_unsigned_integer (buf, 4, byte_order);
- return read_memory_unsigned_integer (sp + 8, 4);
-}
-
-/* Return the start address of the sigtramp routine. */
-
-CORE_ADDR
-i386bsd_sigtramp_start (CORE_ADDR pc)
-{
- return gdbarch_tdep (current_gdbarch)->sigtramp_start;
-}
-
-/* Return the end address of the sigtramp routine. */
-
-CORE_ADDR
-i386bsd_sigtramp_end (CORE_ADDR pc)
-{
- return gdbarch_tdep (current_gdbarch)->sigtramp_end;
+ return read_memory_unsigned_integer (sp + 8, 4, byte_order);
}
/* Support for shared libraries. */
-/* Return non-zero if we are in a shared library trampoline code stub. */
-
-int
-i386bsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name)
-{
- return (name && !strcmp (name, "_DYNAMIC"));
-}
-
/* Traditional BSD (4.3 BSD, still used for BSDI and 386BSD). */
/* From . */
@@ -112,16 +76,6 @@ i386bsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- set_gdbarch_deprecated_pc_in_sigtramp (gdbarch, i386bsd_pc_in_sigtramp);
-
- /* Allow the recognition of sigtramps as a function named . */
- set_gdbarch_sigtramp_start (gdbarch, i386bsd_sigtramp_start);
- set_gdbarch_sigtramp_end (gdbarch, i386bsd_sigtramp_end);
-
- /* Assume SunOS-style shared libraries. */
- set_gdbarch_in_solib_call_trampoline (gdbarch,
- i386bsd_aout_in_solib_call_trampoline);
-
tdep->jb_pc_offset = 0;
tdep->sigtramp_start = 0xfdbfdfc0;