2010-02-16 Sami Wagiaalla <swagiaal@redhat.com>

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

diff --git a/gdb/frv-linux-tdep.c b/gdb/frv-linux-tdep.c
index 015ac53373869641facdc766b07dbb94da3e5ac5..c051a4deb9f6b70827d057ac23ff286e19054c6d 100644 (file)
--- a/gdb/frv-linux-tdep.c
+++ b/gdb/frv-linux-tdep.c
@@ -1,7 +1,8 @@
 /* Target-dependent code for GNU/Linux running on the Fujitsu FR-V,
    for GDB.
 
-   Copyright (C) 2004, 2006, 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -41,8 +42,9 @@ enum {
 };
 
 static int
-frv_linux_pc_in_sigtramp (CORE_ADDR pc, char *name)
+frv_linux_pc_in_sigtramp (struct gdbarch *gdbarch, CORE_ADDR pc, char *name)
 {
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   char buf[frv_instr_size];
   LONGEST instr;
   int retval = 0;
@@ -50,7 +52,7 @@ frv_linux_pc_in_sigtramp (CORE_ADDR pc, char *name)
   if (target_read_memory (pc, buf, sizeof buf) != 0)
     return 0;
 
-  instr = extract_unsigned_integer (buf, sizeof buf);
+  instr = extract_unsigned_integer (buf, sizeof buf, byte_order);
 
   if (instr == 0x8efc0077)     /* setlos #__NR_sigreturn, gr7 */
     retval = NORMAL_SIGTRAMP;
@@ -61,7 +63,7 @@ frv_linux_pc_in_sigtramp (CORE_ADDR pc, char *name)
 
   if (target_read_memory (pc + frv_instr_size, buf, sizeof buf) != 0)
     return 0;
-  instr = extract_unsigned_integer (buf, sizeof buf);
+  instr = extract_unsigned_integer (buf, sizeof buf, byte_order);
   if (instr != 0xc0700000)     /* tira gr0, 0 */
     return 0;
 
@@ -168,6 +170,8 @@ static LONGEST
 frv_linux_sigcontext_reg_addr (struct frame_info *this_frame, int regno,
                                CORE_ADDR *sc_addr_cache_ptr)
 {
+  struct gdbarch *gdbarch = get_frame_arch (this_frame);
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   CORE_ADDR sc_addr;
 
   if (sc_addr_cache_ptr && *sc_addr_cache_ptr)
@@ -181,10 +185,10 @@ frv_linux_sigcontext_reg_addr (struct frame_info *this_frame, int regno,
       int tramp_type;
 
       pc = get_frame_pc (this_frame);
-      tramp_type = frv_linux_pc_in_sigtramp (pc, 0);
+      tramp_type = frv_linux_pc_in_sigtramp (gdbarch, pc, 0);
 
       get_frame_register (this_frame, sp_regnum, buf);
-      sp = extract_unsigned_integer (buf, sizeof buf);
+      sp = extract_unsigned_integer (buf, sizeof buf, byte_order);
 
       if (tramp_type == NORMAL_SIGTRAMP)
        {
@@ -206,7 +210,7 @@ frv_linux_sigcontext_reg_addr (struct frame_info *this_frame, int regno,
              warning (_("Can't read realtime sigtramp frame."));
              return 0;
            }
-         sc_addr = extract_unsigned_integer (buf, sizeof buf);
+         sc_addr = extract_unsigned_integer (buf, sizeof buf, byte_order);
          sc_addr += 24;
        }
       else
@@ -255,8 +259,10 @@ frv_linux_sigcontext_reg_addr (struct frame_info *this_frame, int regno,
 static struct trad_frame_cache *
 frv_linux_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache)
 {
+  struct gdbarch *gdbarch = get_frame_arch (this_frame);
+  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   struct trad_frame_cache *cache;
-  struct gdbarch_tdep *tdep = gdbarch_tdep (get_frame_arch (this_frame));
   CORE_ADDR addr;
   char buf[4];
   int regnum;
@@ -273,8 +279,8 @@ frv_linux_sigtramp_frame_cache (struct frame_info *this_frame, void **this_cache
      signal trampoline and not the current PC within that
      trampoline.  */
   get_frame_register (this_frame, sp_regnum, buf);
-  this_id = frame_id_build (extract_unsigned_integer (buf, sizeof buf),
-                           get_frame_pc (this_frame));
+  addr = extract_unsigned_integer (buf, sizeof buf, byte_order);
+  this_id = frame_id_build (addr, get_frame_pc (this_frame));
   trad_frame_set_id (cache, this_id);
 
   for (regnum = 0; regnum < frv_num_regs; regnum++)
@@ -313,11 +319,12 @@ frv_linux_sigtramp_frame_sniffer (const struct frame_unwind *self,
                                  struct frame_info *this_frame,
                                  void **this_cache)
 {
+  struct gdbarch *gdbarch = get_frame_arch (this_frame);
   CORE_ADDR pc = get_frame_pc (this_frame);
   char *name;
 
   find_pc_partial_function (pc, &name, NULL, NULL);
-  if (frv_linux_pc_in_sigtramp (pc, name))
+  if (frv_linux_pc_in_sigtramp (gdbarch, pc, name))
     return 1;
 
   return 0;