X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Falpha-osf1-tdep.c;h=43bae959c6ad5d6621bd06cb1775efb7410dd291;hb=a134316b1f47741fadfc6d7c3c43acb43261246e;hp=29b5c08ed5d3ed9154905f533ea962facb8116e2;hpb=852ee05c45d172bc2c9f54e839248a6059581a5a;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/alpha-osf1-tdep.c b/gdb/alpha-osf1-tdep.c
index 29b5c08ed5..43bae959c6 100644
--- a/gdb/alpha-osf1-tdep.c
+++ b/gdb/alpha-osf1-tdep.c
@@ -1,11 +1,11 @@
/* Target-dependent code for OSF/1 on Alpha.
- Copyright 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002-2014 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,
@@ -14,55 +14,37 @@
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 "frame.h"
#include "gdbcore.h"
#include "value.h"
#include "osabi.h"
-#include "gdb_string.h"
+#include
#include "objfiles.h"
#include "alpha-tdep.h"
static int
-alpha_osf1_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+alpha_osf1_pc_in_sigtramp (struct gdbarch *gdbarch,
+ CORE_ADDR pc, const char *func_name)
{
return (func_name != NULL && strcmp ("__sigtramp", func_name) == 0);
}
static CORE_ADDR
-alpha_osf1_sigcontext_addr (struct frame_info *frame)
+alpha_osf1_sigcontext_addr (struct frame_info *this_frame)
{
- return (read_memory_integer (frame->next ? frame->next->frame
- : frame->frame, 8));
-}
-
-/* This is the definition of CALL_DUMMY_ADDRESS. It's a heuristic that is used
- to find a convenient place in the text segment to stick a breakpoint to
- detect the completion of a target function call (ala call_function_by_hand).
- */
-
-static CORE_ADDR
-alpha_call_dummy_address (void)
-{
- CORE_ADDR entry;
- struct minimal_symbol *sym;
-
- entry = entry_point_address ();
-
- if (entry != 0)
- return entry;
-
- sym = lookup_minimal_symbol ("_Prelude", NULL, symfile_objfile);
-
- if (!sym || MSYMBOL_TYPE (sym) != mst_text)
- return 0;
- else
- return SYMBOL_VALUE_ADDRESS (sym) + 4;
+ struct gdbarch *gdbarch = get_frame_arch (this_frame);
+ enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
+ struct frame_info *next_frame = get_next_frame (this_frame);
+ struct frame_id next_id = null_frame_id;
+
+ if (next_frame != NULL)
+ next_id = get_frame_id (next_frame);
+
+ return (read_memory_integer (next_id.stack_addr, 8, byte_order));
}
static void
@@ -71,23 +53,24 @@ alpha_osf1_init_abi (struct gdbarch_info info,
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
- set_gdbarch_pc_in_sigtramp (gdbarch, alpha_osf1_pc_in_sigtramp);
+ /* Hook into the MDEBUG frame unwinder. */
+ alpha_mdebug_init_abi (info, gdbarch);
+
/* The next/step support via procfs on OSF1 is broken when running
- on multi-processor machines. We need to use software single stepping
- instead. */
+ on multi-processor machines. We need to use software single
+ stepping instead. */
set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
- /* Alpha OSF/1 inhibits execution of code on the stack. But there is
- no need for a dummy on the Alpha. PUSH_ARGUMENTS takes care of all
- argument handling and bp_call_dummy takes care of stopping the dummy. */
- set_gdbarch_call_dummy_address (gdbarch, alpha_call_dummy_address);
-
tdep->sigcontext_addr = alpha_osf1_sigcontext_addr;
+ tdep->pc_in_sigtramp = alpha_osf1_pc_in_sigtramp;
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
}
+/* Provide a prototype to silence -Wmissing-prototypes. */
+extern initialize_file_ftype _initialize_alpha_osf1_tdep;
+
void
_initialize_alpha_osf1_tdep (void)
{