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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/i386.cc | |
| 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/i386.cc')
| -rw-r--r-- | gold/i386.cc | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gold/i386.cc b/gold/i386.cc index 97d98d7..eb4ef0a 100644 --- a/gold/i386.cc +++ b/gold/i386.cc @@ -202,6 +202,26 @@ class Target_i386 : public Target_freebsd<32, false> const elfcpp::Rel<32, false>& reloc, unsigned int r_type, Symbol* gsym); + inline bool + local_reloc_may_be_function_pointer(Symbol_table* , Layout* , Target_i386* , + Sized_relobj<32, false>* , + unsigned int , + Output_section* , + const elfcpp::Rel<32, false>& , + unsigned int , + const elfcpp::Sym<32, false>&) + { return false; } + + inline bool + global_reloc_may_be_function_pointer(Symbol_table* , Layout* , + Target_i386* , + Sized_relobj<32, false>* , + unsigned int , + Output_section* , + const elfcpp::Rel<32, false>& , + unsigned int , Symbol*) + { return false; } + static void unsupported_reloc_local(Sized_relobj<32, false>*, unsigned int r_type); |