2009-12-02 Tristan Gingold <gingold@adacore.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 2ce3b9a080590c1b40bda057c5274403f0cc396a..838bc0bf0d2792d0a35c316c46f3ec7c54109c96 100644 (file)
--- a/gdb/ia64-linux-tdep.c
+++ b/gdb/ia64-linux-tdep.c
@@ -1,12 +1,13 @@
 /* Target-dependent code for the IA-64 for GDB, the GNU debugger.
 
 /* Target-dependent code for the IA-64 for GDB, the GNU debugger.
 

-   Copyright 2000, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2004, 2005, 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
 
    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,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -15,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    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 "defs.h"
 #include "ia64-tdep.h"


@@ -26,6 +25,7 @@
 #include "regcache.h"
 #include "osabi.h"
 #include "solib-svr4.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
 
 /* The sigtramp code is in a non-readable (executable-only) region
    of memory called the ``gate page''.  The addresses in question


@@ -38,8 +38,8 @@
 /* Offset to sigcontext structure from frame of handler */
 #define IA64_LINUX_SIGCONTEXT_OFFSET 192
 
 /* 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);
 }
 {
   return (pc >= (CORE_ADDR) GATE_AREA_START && pc < (CORE_ADDR) GATE_AREA_END);
 }


@@ -50,14 +50,16 @@ ia64_linux_in_sigtramp (CORE_ADDR pc, char *func_name)
    sigcontext structure. */
 
 static CORE_ADDR
    sigcontext structure. */
 
 static CORE_ADDR

-ia64_linux_sigcontext_register_address (CORE_ADDR sp, int regno)
+ia64_linux_sigcontext_register_address (struct gdbarch *gdbarch,
+                                       CORE_ADDR sp, int regno)

 {
 {

+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);

   char buf[8];
   CORE_ADDR sigcontext_addr = 0;
 
   /* The address of the sigcontext area is found at offset 16 in the sigframe.  */
   read_memory (sp + 16, buf, 8);
   char buf[8];
   CORE_ADDR sigcontext_addr = 0;
 
   /* The address of the sigcontext area is found at offset 16 in the sigframe.  */
   read_memory (sp + 16, buf, 8);

-  sigcontext_addr = extract_unsigned_integer (buf, 8);
+  sigcontext_addr = extract_unsigned_integer (buf, 8, byte_order);

 
   if (IA64_GR0_REGNUM <= regno && regno <= IA64_GR31_REGNUM)
     return sigcontext_addr + 200 + 8 * (regno - IA64_GR0_REGNUM);
 
   if (IA64_GR0_REGNUM <= regno && regno <= IA64_GR31_REGNUM)
     return sigcontext_addr + 200 + 8 * (regno - IA64_GR0_REGNUM);


@@ -99,9 +101,9 @@ ia64_linux_sigcontext_register_address (CORE_ADDR sp, int regno)
 }
 
 static void
 }
 
 static void

-ia64_linux_write_pc (CORE_ADDR pc, ptid_t ptid)
+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
 
   /* We must be careful with modifying the instruction-pointer: if we
      just interrupt a system call, the kernel would ordinarily try to


@@ -112,7 +114,7 @@ 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.  */
 
      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
 }
 
 static void


@@ -124,13 +126,24 @@ ia64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
      registers are saved.  */
   tdep->sigcontext_register_address = ia64_linux_sigcontext_register_address;
 
      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_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);
 }
 
   /* Enable TLS support.  */
   set_gdbarch_fetch_tls_load_module_address (gdbarch,
                                              svr4_fetch_objfile_link_map);
 }
 

+/* Provide a prototype to silence -Wmissing-prototypes.  */
+extern initialize_file_ftype _initialize_ia64_linux_tdep;
+

 void
 _initialize_ia64_linux_tdep (void)
 {
 void
 _initialize_ia64_linux_tdep (void)
 {