X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fsolib-sunos.c;h=ff41847ac5bc348a62fa4da89c45305d4236c4aa;hb=e17a4113357102b55cfa5b80557d590a46a43300;hp=23b7dd278d3744846884c719e44857ac5c4e798d;hpb=982526a134330b9524daea65f26ba2cfe36cb275;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/solib-sunos.c b/gdb/solib-sunos.c
index 23b7dd278d..ff41847ac5 100644
--- a/gdb/solib-sunos.c
+++ b/gdb/solib-sunos.c
@@ -1,13 +1,13 @@
/* Handle SunOS shared libraries for GDB, the GNU Debugger.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
- 2001, 2004
- Free Software Foundation, Inc.
+
+ Copyright (C) 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000,
+ 2001, 2004, 2007, 2008, 2009 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,
@@ -16,9 +16,7 @@
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"
@@ -28,7 +26,7 @@
#include
#include
- /* SunOS shared libs need the nlist structure. */
+/* SunOS shared libs need the nlist structure. */
#include
#include
@@ -38,10 +36,55 @@
#include "objfiles.h"
#include "gdbcore.h"
#include "inferior.h"
+#include "gdbthread.h"
#include "solist.h"
#include "bcache.h"
#include "regcache.h"
+/* The shared library implementation found on BSD a.out systems is
+ very similar to the SunOS implementation. However, the data
+ structures defined in are named very differently. Make up
+ for those differences here. */
+
+#ifdef HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS
+
+/* FIXME: Temporary until the equivalent defines have been removed
+ from all nm-*bsd*.h files. */
+#ifndef link_dynamic
+
+/* Map `struct link_map' and its members. */
+#define link_map so_map
+#define lm_addr som_addr
+#define lm_name som_path
+#define lm_next som_next
+
+/* Map `struct link_dynamic_2' and its members. */
+#define link_dynamic_2 section_dispatch_table
+#define ld_loaded sdt_loaded
+
+/* Map `struct rtc_symb' and its members. */
+#define rtc_symb rt_symbol
+#define rtc_sp rt_sp
+#define rtc_next rt_next
+
+/* Map `struct ld_debug' and its members. */
+#define ld_debug so_debug
+#define ldd_in_debugger dd_in_debugger
+#define ldd_bp_addr dd_bpt_addr
+#define ldd_bp_inst dd_bpt_shadow
+#define ldd_cp dd_cc
+
+/* Map `struct link_dynamic' and its members. */
+#define link_dynamic _dynamic
+#define ld_version d_version
+#define ldd d_debug
+#define ld_un d_un
+#define ld_2 d_sdt
+
+#endif
+
+#endif
+
/* Link map info to include in an allocated so_list entry */
struct lm_info
@@ -77,7 +120,8 @@ static char *main_name_list[] =
Assume that the address is unsigned. */
#define SOLIB_EXTRACT_ADDRESS(MEMBER) \
- extract_unsigned_integer (&(MEMBER), sizeof (MEMBER))
+ extract_unsigned_integer (&(MEMBER), sizeof (MEMBER), \
+ gdbarch_byte_order (target_gdbarch))
/* local data declarations */
@@ -97,33 +141,36 @@ static CORE_ADDR flag_addr;
static CORE_ADDR
LM_ADDR (struct so_list *so)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
int lm_addr_offset = offsetof (struct link_map, lm_addr);
int lm_addr_size = fieldsize (struct link_map, lm_addr);
return (CORE_ADDR) extract_signed_integer (so->lm_info->lm + lm_addr_offset,
- lm_addr_size);
+ lm_addr_size, byte_order);
}
static CORE_ADDR
LM_NEXT (struct so_list *so)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
int lm_next_offset = offsetof (struct link_map, lm_next);
int lm_next_size = fieldsize (struct link_map, lm_next);
/* Assume that the address is unsigned. */
return extract_unsigned_integer (so->lm_info->lm + lm_next_offset,
- lm_next_size);
+ lm_next_size, byte_order);
}
static CORE_ADDR
LM_NAME (struct so_list *so)
{
+ enum bfd_endian byte_order = gdbarch_byte_order (target_gdbarch);
int lm_name_offset = offsetof (struct link_map, lm_name);
int lm_name_size = fieldsize (struct link_map, lm_name);
/* Assume that the address is unsigned. */
return extract_unsigned_integer (so->lm_info->lm + lm_name_offset,
- lm_name_size);
+ lm_name_size, byte_order);
}
static CORE_ADDR debug_base; /* Base of dynamic linker structures */
@@ -142,7 +189,6 @@ allocate_rt_common_objfile (void)
objfile = (struct objfile *) xmalloc (sizeof (struct objfile));
memset (objfile, 0, sizeof (struct objfile));
- objfile->md = NULL;
objfile->psymbol_cache = bcache_xmalloc ();
objfile->macro_cache = bcache_xmalloc ();
obstack_init (&objfile->objfile_obstack);
@@ -394,10 +440,8 @@ sunos_current_sos (void)
target_read_string (LM_NAME (new), &buffer,
SO_NAME_MAX_PATH_SIZE - 1, &errcode);
if (errcode != 0)
- {
- warning ("current_sos: Can't read pathname for load map: %s\n",
- safe_strerror (errcode));
- }
+ warning (_("Can't read pathname for load map: %s."),
+ safe_strerror (errcode));
else
{
strncpy (new->so_name, buffer, SO_NAME_MAX_PATH_SIZE - 1);
@@ -495,7 +539,7 @@ disable_break (void)
if (stop_pc != breakpoint_addr)
{
- warning ("stopped at unknown breakpoint while handling shared libraries");
+ warning (_("stopped at unknown breakpoint while handling shared libraries"));
}
return 1;
@@ -651,7 +695,7 @@ sunos_special_symbol_handling (void)
SYNOPSIS
- void sunos_solib_create_inferior_hook()
+ void sunos_solib_create_inferior_hook ()
DESCRIPTION
@@ -698,6 +742,9 @@ sunos_special_symbol_handling (void)
static void
sunos_solib_create_inferior_hook (void)
{
+ struct thread_info *tp;
+ struct inferior *inf;
+
if ((debug_base = locate_base ()) == 0)
{
/* Can't find the symbol or the executable is statically linked. */
@@ -706,7 +753,7 @@ sunos_solib_create_inferior_hook (void)
if (!enable_break ())
{
- warning ("shared library handler failed to enable breakpoint");
+ warning (_("shared library handler failed to enable breakpoint"));
return;
}
@@ -719,31 +766,41 @@ sunos_solib_create_inferior_hook (void)
can go groveling around in the dynamic linker structures to find
out what we need to know about them. */
+ inf = current_inferior ();
+ tp = inferior_thread ();
+
clear_proceed_status ();
- stop_soon = STOP_QUIETLY;
- stop_signal = TARGET_SIGNAL_0;
+
+ inf->stop_soon = STOP_QUIETLY;
+ tp->stop_signal = TARGET_SIGNAL_0;
do
{
- target_resume (pid_to_ptid (-1), 0, stop_signal);
- wait_for_inferior ();
+ target_resume (pid_to_ptid (-1), 0, tp->stop_signal);
+ wait_for_inferior (0);
}
- while (stop_signal != TARGET_SIGNAL_TRAP);
- stop_soon = NO_STOP_QUIETLY;
+ while (tp->stop_signal != TARGET_SIGNAL_TRAP);
+ inf->stop_soon = NO_STOP_QUIETLY;
/* We are now either at the "mapping complete" breakpoint (or somewhere
else, a condition we aren't prepared to deal with anyway), so adjust
the PC as necessary after a breakpoint, disable the breakpoint, and
- add any shared libraries that were mapped in. */
+ add any shared libraries that were mapped in.
+
+ Note that adjust_pc_after_break did not perform any PC adjustment,
+ as the breakpoint the inferior just hit was not inserted by GDB,
+ but by the dynamic loader itself, and is therefore not found on
+ the GDB software break point list. Thus we have to adjust the
+ PC here. */
- if (DECR_PC_AFTER_BREAK)
+ if (gdbarch_decr_pc_after_break (target_gdbarch))
{
- stop_pc -= DECR_PC_AFTER_BREAK;
- write_register (PC_REGNUM, stop_pc);
+ stop_pc -= gdbarch_decr_pc_after_break (target_gdbarch);
+ regcache_write_pc (get_current_regcache (), stop_pc);
}
if (!disable_break ())
{
- warning ("shared library handler failed to disable breakpoint");
+ warning (_("shared library handler failed to disable breakpoint"));
}
solib_add ((char *) 0, 0, (struct target_ops *) 0, auto_solib_add);
@@ -764,7 +821,7 @@ sunos_free_so (struct so_list *so)
static void
sunos_relocate_section_addresses (struct so_list *so,
- struct section_table *sec)
+ struct target_section *sec)
{
sec->addr += LM_ADDR (so);
sec->endaddr += LM_ADDR (so);