2011-10-31 Pedro Alves <pedro@codesourcery.com>

[deliverable/binutils-gdb.git] / gdb / alpha-tdep.c

diff --git a/gdb/alpha-tdep.c b/gdb/alpha-tdep.c
index 2f309a7c998f94fcc1f3db245c1587bf60ab0e58..77782e88090220d46f7a3156736eb5f8039cfa61 100644 (file)
--- a/gdb/alpha-tdep.c
+++ b/gdb/alpha-tdep.c
@@ -111,8 +111,7 @@ alpha_register_name (struct gdbarch *gdbarch, int regno)
 static int
 alpha_cannot_fetch_register (struct gdbarch *gdbarch, int regno)
 {
-  return (regno == ALPHA_ZERO_REGNUM
-          || strlen (alpha_register_name (gdbarch, regno)) == 0);
+  return (strlen (alpha_register_name (gdbarch, regno)) == 0);
 }
 
 static int
@@ -936,6 +935,7 @@ alpha_sigtramp_frame_sniffer (const struct frame_unwind *self,
 
 static const struct frame_unwind alpha_sigtramp_frame_unwind = {
   SIGTRAMP_FRAME,
+  default_frame_unwind_stop_reason,
   alpha_sigtramp_frame_this_id,
   alpha_sigtramp_frame_prev_register,
   NULL,
@@ -1243,7 +1243,7 @@ alpha_heuristic_frame_unwind_cache (struct frame_info *this_frame,
                 So we recognize only a few registers (t7, t9, ra) within
                 the procedure prologue as valid return address registers.
                 If we encounter a return instruction, we extract the
-                the return address register from it.
+                return address register from it.
 
                 FIXME: Rewriting GDB to access the procedure descriptors,
                 e.g. via the minimal symbol table, might obviate this
@@ -1351,6 +1351,7 @@ alpha_heuristic_frame_prev_register (struct frame_info *this_frame,
 
 static const struct frame_unwind alpha_heuristic_frame_unwind = {
   NORMAL_FRAME,
+  default_frame_unwind_stop_reason,
   alpha_heuristic_frame_this_id,
   alpha_heuristic_frame_prev_register,
   NULL,
@@ -1422,7 +1423,11 @@ alpha_supply_int_regs (struct regcache *regcache, int regno,
       regcache_raw_supply (regcache, i, regs + i * 8);
 
   if (regno == ALPHA_ZERO_REGNUM || regno == -1)
-    regcache_raw_supply (regcache, ALPHA_ZERO_REGNUM, NULL);
+    {
+      const gdb_byte zero[8] = { 0 };
+
+      regcache_raw_supply (regcache, ALPHA_ZERO_REGNUM, zero);
+    }
 
   if (regno == ALPHA_PC_REGNUM || regno == -1)
     regcache_raw_supply (regcache, ALPHA_PC_REGNUM, pc);