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| author | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-09-09 08:43:47 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2010-09-09 08:43:47 +0200 |
| commit | c8a27c401821b4d29c28add396177637f9f381d5 (patch) | |
| tree | 95afa643e40b04b8d3422e12829ab8707b957836 /gcc/rtl.def | |
| parent | eed023ccd5bb3b3bc9690b79d18c645637527e43 (diff) | |
| download | gcc-c8a27c401821b4d29c28add396177637f9f381d5.zip gcc-c8a27c401821b4d29c28add396177637f9f381d5.tar.gz gcc-c8a27c401821b4d29c28add396177637f9f381d5.tar.bz2 | |
rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
* rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
* rtl.h (DEBUG_IMPLICIT_PTR_DECL): Define.
* rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_IMPLICIT_PTR.
* print-rtl.c (print_rtx): Likewise.
* cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
* cfgexpand.c (expand_debug_expr): Generate DEBUG_IMPLICIT_PTR
for ADDR_EXPR with non-addressable object.
* dwarf2out.c (enum dw_val_class): Add dw_val_class_decl_ref.
(struct dw_val_struct): Add v.val_decl_ref.
(dwarf_stack_op_name, output_loc_operands, output_loc_operands_raw):
Handle DW_OP_GNU_implicit_pointer.
(size_of_loc_descr): Likewise. Fix up DW_OP_call_ref size.
(get_ref_die_offset_label): New function.
(implicit_ptr_descriptor): New function.
(mem_loc_descriptor): Handle DEBUG_IMPLICIT_PTR.
(loc_descriptor): Likewise.
(gen_variable_die): Put even definitions into decl_die_table.
(resolve_addr_in_expr): Resolve still unresolved
DW_OP_GNU_implicit_pointer operands, if it can't be resolved
return false.
(dwarf2out_finish): Call output_location_lists after outputting
.debug_info and .debug_abbrev instead of before.
* dwarf2.h (DW_OP_GNU_implicit_pointer): New.
2010-09-09 Roland McGrath <roland@redhat.com>
* dwarf2out.c (DWARF_REF_SIZE): Define.
(size_of_loc_descr): Use it for DW_OP_call_ref.
From-SVN: r164050
Diffstat (limited to 'gcc/rtl.def')
| -rw-r--r-- | gcc/rtl.def | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/rtl.def b/gcc/rtl.def index 26014ae..282cca6 100644 --- a/gcc/rtl.def +++ b/gcc/rtl.def @@ -711,6 +711,10 @@ DEF_RTL_EXPR(US_TRUNCATE, "us_truncate", "e", RTX_UNARY) initialization status of variables. */ DEF_RTL_EXPR(VAR_LOCATION, "var_location", "tei", RTX_EXTRA) +/* Used in VAR_LOCATION for a pointer to a decl that is no longer + addressable. */ +DEF_RTL_EXPR(DEBUG_IMPLICIT_PTR, "debug_implicit_ptr", "t", RTX_OBJ) + /* All expressions from this point forward appear only in machine descriptions. */ #ifdef GENERATOR_FILE |