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On Fri, Sep 11, 2009 at 2:19 PM, Doug Evans<dje@google.com> wrote: >>Tom Tromey wrote: >>[...] >> It seems to me that the inferior-stack-ness of a value must be an >> attribute carried alongside the value on the dwarf stack. >>[...] > > Yeah, I was wondering about this. ?[It's what prompted my question on IRC.] How about this? 2009-09-11 Doug Evans <dje@google.com> * dwarf2expr.h (dwarf_value_location): Add more comments describing enum values. (struct dwarf_stack_value): New struct. (struct dwarf_expr_context): Change type of `stack' from CORE_ADDR* to structd dwarf_stack_value*. (struct dwarf_expr_piece): Move `v.value' into its own struct, v.expr, all uses updated. Add v.expr.in_stack_memory. (dwarf_expr_push): Update declaration. (dwarf_expr_fetch_in_stack_memory): Declare. * dwarf2expr.c (dwarf_expr_grow_stack): Update calculation of size of stack value. (dwarf_expr_push): New arg in_stack_memory, all callers updated. (dwarf_expr_fetch_in_stack_memory): New function. (add_piece): Set in_stack_memory for non-literal values. (execute_stack_op, case DW_OP_fbreg): Call dwarf_expr_push ourselves, mark value as in stack memory. (execute_stack_op, case DW_OP_call_frame_cfa): Ditto. (execute_stack_op, cases DW_OP_swap, DW_OP_rot): Update type of dwarf stack value. * dwarf2loc.c (read_pieced_value): Call read_stack for values known to be on the program's stack. (dwarf2_evaluate_loc_desc, case DWARF_VALUE_MEMORY): Call set_value_stack only for objects known to be in stack memory. * dwarf2-frame.c (execute_stack_op): New arg initial_in_stack_memory, all callers updated.
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gdb-090911-dwarf-stack-value-2.patch.txt
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