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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/ChangeLog | |
| 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/ChangeLog')
| -rw-r--r-- | gcc/ChangeLog | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index a7e2290d42a..370fcac7bf9 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,41 @@ +2009-10-08 Cary Coutant <ccoutant@google.com> + + 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. + 2009-10-08 Alexandre Oliva <aoliva@redhat.com> PR debug/41353 |