2008-03-25 Pedro Alves <pedro@codesourcery.com>

[deliverable/binutils-gdb.git] / gdb / ia64-linux-tdep.c

diff --git a/gdb/ia64-linux-tdep.c b/gdb/ia64-linux-tdep.c
index c3fa443a3655deef6ae344f7d4bc219a3c195f39..c8afe016c8c50015b8b26ebfbc8cdbcb0a93ecb0 100644 (file)
--- a/gdb/ia64-linux-tdep.c
+++ b/gdb/ia64-linux-tdep.c
@@ -1,12 +1,12 @@
 /* Target-dependent code for the IA-64 for GDB, the GNU debugger.
 
-   Copyright 2000, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2004, 2005, 2007, 2008 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,
@@ -15,15 +15,16 @@
    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 <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
 #include "ia64-tdep.h"
 #include "arch-utils.h"
 #include "gdbcore.h"
 #include "regcache.h"
+#include "osabi.h"
+#include "solib-svr4.h"
+#include "symtab.h"
 
 /* The sigtramp code is in a non-readable (executable-only) region
    of memory called the ``gate page''.  The addresses in question
@@ -36,8 +37,8 @@
 /* Offset to sigcontext structure from frame of handler */
 #define IA64_LINUX_SIGCONTEXT_OFFSET 192
 
-int
-ia64_linux_in_sigtramp (CORE_ADDR pc, char *func_name)
+static int
+ia64_linux_pc_in_sigtramp (CORE_ADDR pc)
 {
   return (pc >= (CORE_ADDR) GATE_AREA_START && pc < (CORE_ADDR) GATE_AREA_END);
 }
@@ -47,7 +48,7 @@ ia64_linux_in_sigtramp (CORE_ADDR pc, char *func_name)
    found.  0 is returned for registers which aren't stored in the the
    sigcontext structure. */
 
-CORE_ADDR
+static CORE_ADDR
 ia64_linux_sigcontext_register_address (CORE_ADDR sp, int regno)
 {
   char buf[8];
@@ -96,10 +97,10 @@ ia64_linux_sigcontext_register_address (CORE_ADDR sp, int regno)
       }
 }
 
-void
-ia64_linux_write_pc (CORE_ADDR pc, ptid_t ptid)
+static void
+ia64_linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
 {
-  ia64_write_pc (pc, ptid);
+  ia64_write_pc (regcache, pc);
 
   /* We must be careful with modifying the instruction-pointer: if we
      just interrupt a system call, the kernel would ordinarily try to
@@ -110,5 +111,36 @@ ia64_linux_write_pc (CORE_ADDR pc, ptid_t ptid)
 
      The clearing of r10 is safe as long as ia64_write_pc() is only
      called as part of setting up an inferior call.  */
-  write_register_pid (IA64_GR10_REGNUM, 0, ptid);
+  regcache_cooked_write_unsigned (regcache, IA64_GR10_REGNUM, 0);
+}
+
+static void
+ia64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+  /* Set the method of obtaining the sigcontext addresses at which
+     registers are saved.  */
+  tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;
+
+  /* Set the pc_in_sigtramp method.  */
+  tdep->pc_in_sigtramp = ia64_linux_pc_in_sigtramp;
+
+  set_gdbarch_write_pc (gdbarch, ia64_linux_write_pc);
+
+  set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
+
+  set_solib_svr4_fetch_link_map_offsets
+    (gdbarch, svr4_lp64_fetch_link_map_offsets);
+
+  /* Enable TLS support.  */
+  set_gdbarch_fetch_tls_load_module_address (gdbarch,
+                                             svr4_fetch_objfile_link_map);
+}
+
+void
+_initialize_ia64_linux_tdep (void)
+{
+  gdbarch_register_osabi (bfd_arch_ia64, 0, GDB_OSABI_LINUX,
+                         ia64_linux_init_abi);
 }