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authorjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-06-22 10:41:58 +0000
committerjakub <jakub@138bc75d-0d04-0410-961f-82ee72b054a4>2011-06-22 10:41:58 +0000
commit841424ccaf396ea0dfbfc1e27eeabe3ef5889cd0 (patch)
tree084c46b58471b676de4f37c5db720c691779a0e7 /include
parentf41e4452d8ff9a97b75a3b71c581bdc12f27c3c7 (diff)
downloadgcc-841424ccaf396ea0dfbfc1e27eeabe3ef5889cd0.tar.gz
PR debug/47858
* gimple.h (enum gimple_debug_subcode): Add GIMPLE_DEBUG_SOURCE_BIND. (gimple_build_debug_source_bind_stat): New prototype. (gimple_build_debug_source_bind): Define. (gimple_debug_source_bind_p, gimple_debug_source_bind_get_var, gimple_debug_source_bind_get_value, gimple_debug_source_bind_get_value_ptr, gimple_debug_source_bind_set_var, gimple_debug_source_bind_set_value): New inlines. * gimple.c (gimple_build_debug_source_bind_stat): New function. * gimple-pretty-print.c (dump_gimple_debug): Handle GIMPLE_DEBUG_SOURCE_BIND. * sese.c (rename_uses): Handle gimple_debug_source_bind_p. * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise. * tree-parloops.c (eliminate_local_variables, separate_decls_in_region): Likewise. (separate_decls_in_region_debug): Renamed from separate_decls_in_region_debug_bind. Handle gimple_debug_source_bind_p. * tree.h (decl_debug_args_lookup, decl_debug_args_insert): New prototypes. (DECL_HAS_DEBUG_ARGS_P): Define. (struct tree_function_decl): Add has_debug_args_flag field. * tree.c (debug_args_for_decl): New variable. (decl_debug_args_lookup, decl_debug_args_insert): New functions. * tree-into-ssa.c (mark_def_sites): Handle uses in debug stmts. (rewrite_debug_stmt_uses): New function. (rewrite_stmt): Use it to rewrite debug stmt uses. * rtl.def (DEBUG_PARAMETER_REF): New. * rtl.h (DEBUG_PARAMETER_REF_DECL): Define. * cselib.c (rtx_equal_for_cselib_1, cselib_hash_rtx): Handle DEBUG_PARAMETER_REF. * rtl.c (rtx_equal_p_cb, rtx_equal_p, iterative_hash_rtx): Likewise. * print-rtl.c (print_rtx): Likewise. * tree-sra.c (sra_ipa_reset_debug_stmts): Prefer replacing of SSA_NAMEs with DEBUG_EXPR_DECLs initialized in source bind debug stmts in the first bb. * tree-inline.c (remap_ssa_name): If remapping default def of a PARM_DECL fails, map to a DEBUG_EXPR_DECL set in a source bind debug stmt. (remap_gimple_stmt): Handle gimple_debug_source_bind_p. (maybe_move_debug_stmts_to_successors): Likewise. (copy_debug_stmt): Likewise. Avoid shadowing a variable. (tree_function_versioning): If DECL_HAS_DEBUG_ARGS_P, copy debug args vector from old_decl to new_decl. * ipa-prop.c (ipa_modify_call_arguments): For optimized away or modified parameters, add debug bind stmts before call setting DEBUG_EXPR_DECL which is remembered in debug args vector. * cfgexpand.c (expand_call_stmt): Call expand_debug_expr on DECL_DEBUG_EXPRs from debug args vector. (expand_debug_source_expr): New function. (expand_debug_locations): Use it for source bind insns. (expand_gimple_basic_block): Handle gimple_debug_source_bind_p. * var-tracking.c (prepare_call_arguments): Add debug args to call_arguments if any. * dwarf2out.c (dwarf_stack_op_name, size_of_loc_descr, output_loc_operands, output_loc_operands_raw, resolve_addr_in_expr, compare_loc_operands): Handle DW_OP_GNU_parameter_ref. (get_ref_die_offset, parameter_ref_descriptor): New functions. (mem_loc_descriptor): Handle DEBUG_PARAMETER_REF. (gen_subprogram_die): Handle parameters identified by DEBUG_PARAMETER_REF. * dwarf2.h (enum dwarf_location_atom): Add DW_OP_GNU_parameter_ref. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@175288 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'include')
-rw-r--r--include/ChangeLog5
-rw-r--r--include/dwarf2.h2
2 files changed, 7 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index fa0dfac51f3..e4a6bcae4f9 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2011-06-22 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/47858
+ * dwarf2.h (enum dwarf_location_atom): Add DW_OP_GNU_parameter_ref.
+
2011-06-13 Jan Kratochvil <jan.kratochvil@redhat.com>
* demangle.h (DMGL_RET_POSTFIX): Extend the comment.
diff --git a/include/dwarf2.h b/include/dwarf2.h
index 0b008661f96..b2806ef78c9 100644
--- a/include/dwarf2.h
+++ b/include/dwarf2.h
@@ -563,6 +563,8 @@ enum dwarf_location_atom
DW_OP_GNU_deref_type = 0xf6,
DW_OP_GNU_convert = 0xf7,
DW_OP_GNU_reinterpret = 0xf9,
+ /* The GNU parameter ref extension. */
+ DW_OP_GNU_parameter_ref = 0xfa,
/* HP extensions. */
DW_OP_HP_unknown = 0xe0, /* Ouch, the same as GNU_push_tls_address. */
DW_OP_HP_is_value = 0xe1,