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* dwarf2read.c (dwarf2_const_value) <DW_form_addr>: Create a

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LOC_COMPUTED symbol.
	* dwarf2loc.c (dwarf2_evaluate_loc_desc): Set new field.
	(dwarf2_loc_desc_needs_frame): Likewise.
	(compile_dwarf_to_ax) <DW_OP_addr>: Use offset.
	* dwarf2expr.h (struct dwarf_expr_context) <offset>: New field.
	* dwarf2expr.c (execute_stack_op) <DW_OP_addr>: Use offset.
	* dwarf2-frame.c (execute_stack_op): Set 'offset' field.  Add
	'offset' argument.
	(struct dwarf2_frame_cache) <text_offset>: New field.
	(dwarf2_frame_cache): Set new field.
	(dwarf2_frame_prev_register): Update.
	(dwarf2_frame_sniffer): Update.
	(dwarf2_frame_base_sniffer): Update.
	(dwarf2_frame_find_fde): Add 'out_offset' argument.
This commit is contained in:
Tom Tromey
2010-07-07 17:26:38 +00:00
parent 0cf6dd1543
commit ac56253dde
6 changed files with 96 additions and 26 deletions
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6
gdb/dwarf2expr.c
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@ -403,6 +403,12 @@ execute_stack_op (struct dwarf_expr_context *ctx,
result = extract_unsigned_integer (op_ptr,
ctx->addr_size, byte_order);
op_ptr += ctx->addr_size;
/* Some versions of GCC emit DW_OP_addr before
DW_OP_GNU_push_tls_address. In this case the value is an
index, not an address. We don't support things like
branching between the address and the TLS op. */
if (op_ptr >= op_end || *op_ptr != DW_OP_GNU_push_tls_address)
result += ctx->offset;
break;
case DW_OP_const1u: