[SCM] archer-jankratochvil-entryval: fix unwinding inlined functions

[SCM] archer-jankratochvil-entryval: fix unwinding inlined functions

[jkratoch]

The branch, archer-jankratochvil-entryval has been updated
       via  ae53ce4ec3797f52ad49d87438e527ac8d65db1a (commit)
      from  a5ab368b3fd58ca581aafca442e4706c50fc37a8 (commit)

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- Log -----------------------------------------------------------------
commit ae53ce4ec3797f52ad49d87438e527ac8d65db1a
Author: Jan Kratochvil <jan.kratochvil@redhat.com>
Date:   Sun Sep 5 01:05:44 2010 +0200

    fix unwinding inlined functions

-----------------------------------------------------------------------

Summary of changes:
 gdb/dwarf2loc.c |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

First 500 lines of diff:
diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
index 9974f7c..2627872 100644
--- a/gdb/dwarf2loc.c
+++ b/gdb/dwarf2loc.c
@@ -683,7 +683,7 @@ dwarf_expr_regnum_entry_value (void *baton, int regnum, CORE_ADDR deref_size)
   struct dwarf_expr_baton *debaton = (struct dwarf_expr_baton *) baton;
   struct frame_info *frame = debaton->frame;
   CORE_ADDR func_addr = get_frame_func (frame);
-  CORE_ADDR caller_pc = frame_unwind_caller_pc (frame);
+  CORE_ADDR caller_pc;
   struct gdbarch *caller_gdbarch = frame_unwind_arch (frame);
   struct frame_info *caller_frame = get_prev_frame (frame);
   struct call_site_stuff *call_site_stuff;
@@ -695,6 +695,15 @@ dwarf_expr_regnum_entry_value (void *baton, int regnum, CORE_ADDR deref_size)
   struct type *caller_core_addr_type;
   struct gdbarch *caller_arch;
 
+  if (caller_frame == NULL)
+    {
+      struct minimal_symbol *msym = lookup_minimal_symbol_by_pc (func_addr);
+      error (_("DW_OP_GNU_entry_value resolving requires caller of %s (%s)"),
+	     paddress (get_frame_arch (frame), func_addr),
+	     ! msym ? "???" : SYMBOL_PRINT_NAME (msym));
+    }
+  caller_pc = get_frame_pc (caller_frame);
+
   call_site_stuff = call_site_stuff_for_pc (caller_pc);
   if (call_site_stuff == NULL)
     {


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