Use memmove to copy overlap memory.

[deliverable/binutils-gdb.git] / gdb / frame-unwind.c

diff --git a/gdb/frame-unwind.c b/gdb/frame-unwind.c
index 738425943343128f1612826c9d58cca64543d702..6f1de9c7bb6982623602f0c482cc7e3243ca5135 100644 (file)
--- a/gdb/frame-unwind.c
+++ b/gdb/frame-unwind.c
@@ -1,6 +1,7 @@
 /* Definitions for frame unwinder, for GDB, the GNU debugger.
 
-   Copyright (C) 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2004, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -21,6 +22,7 @@
 #include "frame.h"
 #include "frame-unwind.h"
 #include "dummy-frame.h"
+#include "inline-frame.h"
 #include "value.h"
 #include "regcache.h"
 
@@ -51,8 +53,10 @@ frame_unwind_init (struct obstack *obstack)
      can't override this.  */
   table->list = OBSTACK_ZALLOC (obstack, struct frame_unwind_table_entry);
   table->list->unwinder = dummy_frame_unwind;
+  table->list->next = OBSTACK_ZALLOC (obstack, struct frame_unwind_table_entry);
+  table->list->next->unwinder = inline_frame_unwind;
   /* The insertion point for OSABI sniffers.  */
-  table->osabi_head = &table->list->next;
+  table->osabi_head = &table->list->next->next;
   return table;
 }
 
@@ -126,7 +130,7 @@ default_frame_sniffer (const struct frame_unwind *self,
 struct value *
 frame_unwind_got_optimized (struct frame_info *frame, int regnum)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
+  struct gdbarch *gdbarch = frame_unwind_arch (frame);
   struct value *reg_val;
 
   reg_val = value_zero (register_type (gdbarch, regnum), not_lval);
@@ -149,9 +153,11 @@ frame_unwind_got_register (struct frame_info *frame, int regnum, int new_regnum)
 struct value *
 frame_unwind_got_memory (struct frame_info *frame, int regnum, CORE_ADDR addr)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
+  struct gdbarch *gdbarch = frame_unwind_arch (frame);
+  struct value *v = value_at_lazy (register_type (gdbarch, regnum), addr);
 
-  return value_at_lazy (register_type (gdbarch, regnum), addr);
+  set_value_stack (v, 1);
+  return v;
 }
 
 /* Return a value which indicates that FRAME's saved version of
@@ -161,12 +167,24 @@ struct value *
 frame_unwind_got_constant (struct frame_info *frame, int regnum,
                           ULONGEST val)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
+  struct gdbarch *gdbarch = frame_unwind_arch (frame);
+  enum bfd_endian byte_order = gdbarch_byte_order (gdbarch);
   struct value *reg_val;
 
   reg_val = value_zero (register_type (gdbarch, regnum), not_lval);
   store_unsigned_integer (value_contents_writeable (reg_val),
-                         register_size (gdbarch, regnum), val);
+                         register_size (gdbarch, regnum), byte_order, val);
+  return reg_val;
+}
+
+struct value *
+frame_unwind_got_bytes (struct frame_info *frame, int regnum, gdb_byte *buf)
+{
+  struct gdbarch *gdbarch = frame_unwind_arch (frame);
+  struct value *reg_val;
+
+  reg_val = value_zero (register_type (gdbarch, regnum), not_lval);
+  memcpy (value_contents_raw (reg_val), buf, register_size (gdbarch, regnum));
   return reg_val;
 }
 
@@ -178,7 +196,7 @@ struct value *
 frame_unwind_got_address (struct frame_info *frame, int regnum,
                          CORE_ADDR addr)
 {
-  struct gdbarch *gdbarch = get_frame_arch (frame);
+  struct gdbarch *gdbarch = frame_unwind_arch (frame);
   struct value *reg_val;
 
   reg_val = value_zero (register_type (gdbarch, regnum), not_lval);