2005-05-01 Andrew Cagney <cagney@gnu.org>

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

diff --git a/gdb/amd64-linux-tdep.c b/gdb/amd64-linux-tdep.c
index be7ace2d065b39ef563346fa9ea47f1c9b1ad4e6..fd90d53e1fbe1b67e442ae8ef74a8b6793b2887b 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 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
    Contributed by Jiri Smid, SuSE Labs.
 
    This file is part of GDB.
@@ -86,8 +86,9 @@ 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)
 {
+  CORE_ADDR pc = frame_pc_unwind (next_frame);
   unsigned char buf[LINUX_SIGTRAMP_LEN];
 
   /* We only recognize a signal trampoline if PC is at the start of
@@ -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;
     }
 
@@ -117,7 +117,7 @@ amd64_linux_sigtramp_start (CORE_ADDR pc)
   return pc;
 }
 
-/* Return whether the frame preciding NEXT_FRAME corresponds to a
+/* Return whether the frame preceding NEXT_FRAME corresponds to a
    GNU/Linux sigtramp routine.  */
 
 static int
@@ -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);
 }
@@ -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