include/elf/ChangeLog:

[deliverable/binutils-gdb.git] / gdb / amd64-linux-tdep.c

diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index 8365ed3ea079672b8e8a8b83771401728ed7a913..9fa01739bc306775d9b6b7890f8893de25a49b3e 100644 (file)
--- a/gdb/amd64-linux-tdep.c
+++ b/gdb/amd64-linux-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for GNU/Linux x86-64.
 
-   Copyright 2001, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
    Contributed by Jiri Smid, SuSE Labs.
 
    This file is part of GDB.
@@ -17,8 +17,8 @@
 
    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.  */
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
 
 #include "defs.h"
 #include "frame.h"
@@ -72,7 +72,7 @@ static int amd64_linux_gregset_reg_offset[] =
 #define LINUX_SIGTRAMP_INSN1   0x0f    /* syscall */
 #define LINUX_SIGTRAMP_OFFSET1 7
 
-static const unsigned char linux_sigtramp_code[] =
+static const gdb_byte linux_sigtramp_code[] =
 {
   /* mov $__NR_rt_sigreturn, %rax */
   LINUX_SIGTRAMP_INSN0, 0xc7, 0xc0, 0x0f, 0x00, 0x00, 0x00,
@@ -86,9 +86,10 @@ static const unsigned char linux_sigtramp_code[] =
    the routine.  Otherwise, return 0.  */
 
 static CORE_ADDR
-amd64_linux_sigtramp_start (CORE_ADDR pc)
+amd64_linux_sigtramp_start (struct frame_info *next_frame)
 {
-  unsigned char buf[LINUX_SIGTRAMP_LEN];
+  CORE_ADDR pc = frame_pc_unwind (next_frame);
+  gdb_byte buf[LINUX_SIGTRAMP_LEN];
 
   /* We only recognize a signal trampoline if PC is at the start of
      one of the two instructions.  We optimize for finding the PC at
@@ -97,7 +98,7 @@ amd64_linux_sigtramp_start (CORE_ADDR pc)
      PC is not at the start of the instruction sequence, there will be
      a few trailing readable bytes on the stack.  */
 
-  if (read_memory_nobpt (pc, (char *) buf, LINUX_SIGTRAMP_LEN) != 0)
+  if (!safe_frame_unwind_memory (next_frame, pc, buf, sizeof buf))
     return 0;
 
   if (buf[0] != LINUX_SIGTRAMP_INSN0)
@@ -106,8 +107,7 @@ amd64_linux_sigtramp_start (CORE_ADDR pc)
        return 0;
 
       pc -= LINUX_SIGTRAMP_OFFSET1;
-
-      if (read_memory_nobpt (pc, (char *) buf, LINUX_SIGTRAMP_LEN) != 0)
+      if (!safe_frame_unwind_memory (next_frame, pc, buf, sizeof buf))
        return 0;
     }
 
@@ -135,7 +135,7 @@ amd64_linux_sigtramp_p (struct frame_info *next_frame)
      __sigaction, or __libc_sigaction (all aliases to the same
      function).  */
   if (name == NULL || strstr (name, "sigaction") != NULL)
-    return (amd64_linux_sigtramp_start (pc) != 0);
+    return (amd64_linux_sigtramp_start (next_frame) != 0);
 
   return (strcmp ("__restore_rt", name) == 0);
 }
@@ -150,7 +150,7 @@ static CORE_ADDR
 amd64_linux_sigcontext_addr (struct frame_info *next_frame)
 {
   CORE_ADDR sp;
-  char buf[8];
+  gdb_byte buf[8];
 
   frame_unwind_register (next_frame, SP_REGNUM, buf);
   sp = extract_unsigned_integer (buf, 8);
@@ -218,6 +218,10 @@ amd64_linux_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   /* GNU/Linux uses SVR4-style shared libraries.  */
   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);
 }
 \f