Run --gc-sections tests only if supported.

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

diff --git a/gdb/moxie-tdep.c b/gdb/moxie-tdep.c
index 7faa378b5a7ee2ceb04e3e58f74aace963d839b7..5fb3d108baa8a836a9714748dd8a2d186e23bc01 100644 (file)
--- a/gdb/moxie-tdep.c
+++ b/gdb/moxie-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for Moxie.
 
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -174,23 +174,39 @@ moxie_analyze_prologue (CORE_ADDR start_addr, CORE_ADDR end_addr,
          cache->saved_regs[regnum] = cache->framesize;
          next_addr += 2;
        }
+      else
+       break;
+    }
 
-      /* Optional stack allocation for args and local vars <= 4
-        byte.  */
-      else if (inst == 0x01f0)           /* ldi.l $r12, X */
-       {
-         offset = read_memory_integer (next_addr + 2, 4, byte_order);
-         inst2 = read_memory_unsigned_integer (next_addr + 6, 2, byte_order);
+  inst = read_memory_unsigned_integer (next_addr, 2, byte_order);
 
-         if (inst2 == 0x051f)           /* add.l $sp, $r12 */
-           {
-             cache->framesize += offset;
-           }
+  /* Optional stack allocation for args and local vars <= 4
+     byte.  */
+  if (inst == 0x0170)           /* ldi.l $r5, X */
+    {
+      offset = read_memory_integer (next_addr + 2, 4, byte_order);
+      inst2 = read_memory_unsigned_integer (next_addr + 6, 2, byte_order);
+      
+      if (inst2 == 0x0517)           /* add.l $sp, $r5 */
+       {
+         cache->framesize += offset;
+       }
+      
+      return (next_addr + 8);
+    }
+  else if ((inst & 0xff00) == 0x91)   /* dec $sp, X */
+    {
+      cache->framesize += (inst & 0x00ff);
+      next_addr += 2;
 
-         return (next_addr + 8);
+      while (next_addr < end_addr)
+       {
+         inst = read_memory_unsigned_integer (next_addr, 2, byte_order);
+         if ((inst & 0xff00) != 0x91) /* no more dec $sp, X */
+           break;
+         cache->framesize += (inst & 0x00ff);
+         next_addr += 2;
        }
-      else  /* This is not a prologue instruction.  */
-       break;
     }
 
   return next_addr;
@@ -229,7 +245,7 @@ moxie_skip_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
          /* Found a function.  */
          sym = lookup_symbol (func_name, NULL, VAR_DOMAIN, NULL);
          /* Don't use line number debug info for assembly source
-            files. */
+            files.  */
          if (sym && SYMBOL_LANGUAGE (sym) != language_asm)
            {
              sal = find_pc_line (func_addr, 0);
@@ -445,6 +461,7 @@ moxie_frame_prev_register (struct frame_info *this_frame,
 
 static const struct frame_unwind moxie_frame_unwind = {
   NORMAL_FRAME,
+  default_frame_unwind_stop_reason,
   moxie_frame_this_id,
   moxie_frame_prev_register,
   NULL,
@@ -497,7 +514,7 @@ moxie_process_readu (CORE_ADDR addr, char *buf,
 
 /* Parse the current instruction and record the values of the registers and
    memory that will be changed in current instruction to "record_arch_list".
-   Return -1 if something wrong. */
+   Return -1 if something wrong.  */
 
 int
 moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
@@ -832,7 +849,7 @@ moxie_process_record (struct gdbarch *gdbarch, struct regcache *regcache,
                  ptr = extract_unsigned_integer ((gdb_byte *) & ptr, 
                                                  4, byte_order);
 
-                 /* String length is at 0x12($fp) */
+                 /* String length is at 0x12($fp).  */
                  regcache_raw_read (regcache, 
                                     MOXIE_FP_REGNUM, (gdb_byte *) & tmpu32);
                  tmpu32 = extract_unsigned_integer ((gdb_byte *) & tmpu32,