X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fi386bsd-tdep.c;h=15809b3b9a61ec1724ee10a2ca810ee21d2feccf;hb=6290672f89d5638a9da5ce10b2f4ba793dcc6396;hp=d501f7380db66f4d48670b386a8fc7b16ed95c85;hpb=aa2a3f87e946fd500d0657c0f3e61f10780b8bfa;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/i386bsd-tdep.c b/gdb/i386bsd-tdep.c index d501f7380d..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_deprecated_sigtramp_start (gdbarch, i386bsd_sigtramp_start); - set_gdbarch_deprecated_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;