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* frame.h (frame_unwinder_is): Declare.
	* frame.c (frame_unwinder_is): New function.
	* dwarf2loc.c: Include dwarf2-frame.h.
	(dwarf_expr_frame_cfa): New function.
	(dwarf2_evaluate_loc_desc): Use it.
	(needs_frame_frame_cfa): New function.
	(dwarf2_loc_desc_needs_frame): Use it.
	* dwarf2expr.h (struct dwarf_expr_context) <get_frame_cfa>: New
	field.
	* dwarf2expr.c (execute_stack_op) <DW_OP_call_frame_cfa>: New
	case.
	* dwarf2-frame.h (dwarf2_frame_cfa): Declare.
	* dwarf2-frame.c (no_get_frame_cfa): New function.
	(execute_stack_op): Use it.
	(dwarf2_frame_cfa): New function.
gdb/testsuite
	* gdb.dwarf2/callframecfa.exp: New file.
	* gdb.dwarf2/callframecfa.S: New file.
This commit is contained in:
Tom Tromey
2009-09-02 14:53:57 +00:00
parent d34089166b
commit e78022079c
11 changed files with 465 additions and 0 deletions
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4
gdb/dwarf2expr.c
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@ -716,6 +716,10 @@ execute_stack_op (struct dwarf_expr_context *ctx,
}
break;
case DW_OP_call_frame_cfa:
result = (ctx->get_frame_cfa) (ctx->baton);
break;
case DW_OP_GNU_push_tls_address:
/* Variable is at a constant offset in the thread-local
storage block into the objfile for the current thread and