packaging: support aarch64 build

[platform/upstream/binutils.git] / gdb / dwarf2-frame.c

diff --git a/gdb/dwarf2-frame.c b/gdb/dwarf2-frame.c
index 772de56..80e5903 100644 (file)
--- a/gdb/dwarf2-frame.c
+++ b/gdb/dwarf2-frame.c
@@ -31,15 +31,12 @@
 #include "objfiles.h"
 #include "regcache.h"
 #include "value.h"
-
-#include "gdb_assert.h"
-#include <string.h>
+#include "record.h"
 
 #include "complaints.h"
 #include "dwarf2-frame.h"
 #include "ax.h"
 #include "dwarf2loc.h"
-#include "exceptions.h"
 #include "dwarf2-frame-tailcall.h"
 
 struct comp_unit;
@@ -290,15 +287,9 @@ read_addr_from_reg (void *baton, int reg)
 {
   struct frame_info *this_frame = (struct frame_info *) baton;
   struct gdbarch *gdbarch = get_frame_arch (this_frame);
-  int regnum;
-  gdb_byte *buf;
-
-  regnum = gdbarch_dwarf2_reg_to_regnum (gdbarch, reg);
-
-  buf = alloca (register_size (gdbarch, regnum));
-  get_frame_register (this_frame, regnum, buf);
+  int regnum = gdbarch_dwarf2_reg_to_regnum (gdbarch, reg);
 
-  return unpack_pointer (register_type (gdbarch, regnum), buf);
+  return address_from_register (regnum, this_frame);
 }
 
 /* Implement struct dwarf_expr_context_funcs' "get_reg_value" callback.  */
@@ -1510,6 +1501,11 @@ dwarf2_frame_base_sniffer (struct frame_info *this_frame)
 CORE_ADDR
 dwarf2_frame_cfa (struct frame_info *this_frame)
 {
+  if (frame_unwinder_is (this_frame, &record_btrace_tailcall_frame_unwind)
+      || frame_unwinder_is (this_frame, &record_btrace_frame_unwind))
+    throw_error (NOT_AVAILABLE_ERROR,
+                _("cfa not available for record btrace target"));
+
   while (get_frame_type (this_frame) == INLINE_FRAME)
     this_frame = get_prev_frame (this_frame);
   if (get_frame_unwind_stop_reason (this_frame) == UNWIND_UNAVAILABLE)