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| author | Sriraman Tallam <tmsriram@google.com> | 2010-02-13 02:04:21 +0000 |
|---|---|---|
| committer | Sriraman Tallam <tmsriram@google.com> | 2010-02-13 02:04:21 +0000 |
| commit | 21bb3914d64c5fb946423572fe895d2a08531030 (patch) | |
| tree | e54ee31d83ccdcab0f5d392c6e1d1a683809b98d /gold/options.h | |
| parent | 6076632b700e20fbb180fd582ed892ed3d0c2d91 (diff) | |
| download | gdb-21bb3914d64c5fb946423572fe895d2a08531030.zip gdb-21bb3914d64c5fb946423572fe895d2a08531030.tar.gz gdb-21bb3914d64c5fb946423572fe895d2a08531030.tar.bz2 | |
2010-02-12 Sriraman Tallam <tmsriram@google.com>
* arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
* x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
(Scan::global_reloc_may_be_function_pointer): New function.
(Scan::possible_function_pointer_reloc): New function.
(Target_x86_64::can_check_for_function_pointers): New function.
* gc.h (gc_process_relocs): Scan relocation types to determine if
function pointers were taken for targets that support it.
* icf.cc (Icf::find_identical_sections): Include functions for
folding in safe ICF whose pointer is not taken.
* icf.h (Secn_fptr_taken_set): New typedef.
(fptr_section_id_): New member.
(section_has_function_pointers): New function.
(set_section_has_function_pointers): New function.
(check_section_for_function_pointers): New function.
* options.h: Fix comment for safe ICF option.
* target.h (can_check_for_function_pointers): New function.
* testsuite/Makefile.am: Add icf_safe_so_test test case.
Modify icf_safe_test for X86-64.
* testsuite/Makefile.in: Regenerate.
* testsuite/icf_safe_so_test.cc: New file.
* testsuite/icf_safe_so_test.sh: New file.
* testsuite/icf_safe_test.cc (kept_func_3): New function.
(main): Change to take pointer to function kept_func_3.
* testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
folding is done correctly for X86-64.
Diffstat (limited to 'gold/options.h')
| -rw-r--r-- | gold/options.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gold/options.h b/gold/options.h index 22662db..fee76dc 100644 --- a/gold/options.h +++ b/gold/options.h @@ -914,7 +914,8 @@ class General_options DEFINE_enum(icf, options::TWO_DASHES, '\0', "none", N_("Identical Code Folding. " - "\'--icf=safe\' folds only ctors and dtors."), + "\'--icf=safe\' Folds ctors, dtors and functions whose" + " pointers are definitely not taken."), ("[none,all,safe]"), {"none", "all", "safe"}); |