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Re: PATCH: use frame_unwind_register instead of frame_register


I've committed the below, which 1) uses frame_register_read instead of
frame_unwind_register, thereby obtaining the registers from the right
frame, and 2) removes the now-unused variables.

2006-11-06  Jim Blandy  <jimb@codesourcery.com>

	* (dwarf_expr_read_reg): Use frame_register_read, not frame_register.
	* dwarf2loc.c (dwarf_expr_read_reg): Use frame_register_read
	instead of frame_register.  Doc fix.

Index: gdb/dwarf2loc.c
===================================================================
RCS file: /cvs/src/src/gdb/dwarf2loc.c,v
retrieving revision 1.35
diff -u -r1.35 dwarf2loc.c
--- gdb/dwarf2loc.c     3 Nov 2006 22:09:28 -0000       1.35
+++ gdb/dwarf2loc.c     6 Nov 2006 23:19:48 -0000
@@ -120,16 +120,15 @@
 dwarf_expr_read_reg (void *baton, int dwarf_regnum)
 {
   struct dwarf_expr_baton *debaton = (struct dwarf_expr_baton *) baton;
-  CORE_ADDR result, save_addr;
-  enum lval_type lval_type;
+  CORE_ADDR result;
   gdb_byte *buf;
-  int optimized, regnum, realnum, regsize;
+  int regnum, regsize;

   regnum = DWARF2_REG_TO_REGNUM (dwarf_regnum);
   regsize = register_size (current_gdbarch, regnum);
   buf = alloca (regsize);

-  frame_unwind_register (debaton->frame, regnum, buf);
+  frame_register_read (debaton->frame, regnum, buf);
   /* NOTE: cagney/2003-05-22: This extract is assuming that a DWARF 2
      address is always unsigned.  That may or may not be true.  */
   result = extract_unsigned_integer (buf, regsize);


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