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| author | ccoutant <ccoutant@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-10-08 21:00:04 +0000 |
|---|---|---|
| committer | ccoutant <ccoutant@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-10-08 21:00:04 +0000 |
| commit | d907ec515e45bd1c853b50fd0f20ffa9908c5473 (patch) | |
| tree | d4e268cc74aaa313626c0a3a838960f89e919d48 /gcc/dbxout.c | |
| parent | 209e5acf6b5b9ae6ad8936181d4f3d6ee448ba29 (diff) | |
| download | gcc-d907ec515e45bd1c853b50fd0f20ffa9908c5473.tar.gz | |
gcc/ChangeLog:
Add support for debugging with ICF (Identical Code Folding).
* calls.c (debug.h): New #include.
(emit_call_1): Call virtual_call_token debug hook.
* common.opt (-fenable-icf-debug): New option.
* dwarf2out.c (dwarf2_debug_hooks): Add entries for new hooks (two
locations in the source).
(poc_label_num): New variable.
(dcall_entry, vcall_entry): New typedefs.
(dcall_table, vcall_table): New variables.
(struct vcall_insn): New type.
(vcall_insn_table): New variable.
(DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION): New macros.
(size_of_dcall_table): New function.
(output_dcall_table): New function.
(size_of_vcall_table): New function.
(output_vcall_table): New function.
(dwarf2out_direct_call): New function.
(vcall_insn_table_hash): New function.
(vcall_insn_table_eq): New function.
(dwarf2out_virtual_call_token): New function.
(dwarf2out_virtual_call): New function.
(dwarf2out_init): Allocate new tables and sections.
(prune_unused_types): Mark DIEs referenced from direct call table.
(dwarf2out_finish): Output direct and virtual call tables.
* final.c (final_scan_insn): Call direct_call and virtual_call
debug hooks.
* debug.h (struct gcc_debug_hooks): Add direct_call,
virtual_call_token, virtual_call hooks.
(debug_nothing_uid): New function.
* debug.c (do_nothing_debug_hooks): Add dummy entries for new hooks.
(debug_nothing_uid): New function.
* dbxout.c (dbx_debug_hooks): Add dummy entries for new hooks.
* sdbout.c (sdb_debug_hooks): Likewise.
* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
* doc/invoke.texi (-fenable-icf-debug): New option.
gcc/testsuite/ChangeLog:
Add support for debugging with ICF (Identical Code Folding).
* g++.dg/debug/dwarf2/icf.C: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@152577 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/dbxout.c')
| -rw-r--r-- | gcc/dbxout.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/gcc/dbxout.c b/gcc/dbxout.c index 097b20be860..d09087a2f2c 100644 --- a/gcc/dbxout.c +++ b/gcc/dbxout.c @@ -373,6 +373,9 @@ const struct gcc_debug_hooks dbx_debug_hooks = dbxout_handle_pch, /* handle_pch */ debug_nothing_rtx, /* var_location */ debug_nothing_void, /* switch_text_section */ + debug_nothing_tree, /* direct_call */ + debug_nothing_tree_int, /* virtual_call_token */ + debug_nothing_uid, /* virtual_call */ debug_nothing_tree_tree, /* set_name */ 0 /* start_end_main_source_file */ }; @@ -406,6 +409,9 @@ const struct gcc_debug_hooks xcoff_debug_hooks = dbxout_handle_pch, /* handle_pch */ debug_nothing_rtx, /* var_location */ debug_nothing_void, /* switch_text_section */ + debug_nothing_tree, /* direct_call */ + debug_nothing_tree_int, /* virtual_call_token */ + debug_nothing_uid, /* virtual_call */ debug_nothing_tree_tree, /* set_name */ 0 /* start_end_main_source_file */ }; |