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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2014-11-04 22:39:30 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2014-11-04 22:39:30 +0000 |
| commit | 1fec5f5274d7e232b75fc400321ed64be46766c3 (patch) | |
| tree | 770354d65e888c2d5026ac0f9759649f58da3104 /libgo/runtime/runtime.c | |
| parent | f6166a42cc539777393886b6ead213818e8a57af (diff) | |
| download | gcc-1fec5f5274d7e232b75fc400321ed64be46766c3.zip gcc-1fec5f5274d7e232b75fc400321ed64be46766c3.tar.gz gcc-1fec5f5274d7e232b75fc400321ed64be46766c3.tar.bz2 | |
libgo: add s390 support
From Dominik Vogt.
* libgo/go/syscall/libcall_linux_s390.go: New file for s390 support.
* libgo/go/syscall/syscall_linux_s390.go: Ditto.
* libgo/go/syscall/libcall_linux_s390x.go: New file for s390x support.
* libgo/go/syscall/syscall_linux_s390x.go: Ditto.
* libgo/go/runtime/pprof/pprof.go (printStackRecord): Support s390 and
s390x.
* libgo/runtime/runtime.c (runtime_cputicks): Add support for s390 and
s390x
* libgo/mksysinfo.sh: Ditto.
(upcase_fields): New helper function
* libgo/go/debug/elf/file.go (applyRelocations): Implement relocations
on s390x.
(applyRelocationsS390x): Ditto.
(DWARF): Ditto.
* libgo/go/debug/elf/elf.go (R_390): New constants for S390 relocations.
(r390Strings): Ditto.
(String): Helper function for S390 relocations.
(GoString): Ditto.
* libgo/go/reflect/makefuncgo_s390.go: New file.
(S390MakeFuncStubGo): Implementation of s390 abi.
* libgo/go/reflect/makefuncgo_s390x.go: New file.
(S390xMakeFuncStubGo): Implementation of s390x abi.
* libgo/go/reflect/makefunc_s390.c: New file.
(makeFuncStub): s390 and s390x specific implementation of function.
* libgo/go/reflect/makefunc.go
(MakeFunc): Add support for s390 and s390x.
(makeMethodValue): Ditto.
(makeValueMethod): Ditto.
* libgo/Makefile.am (go_reflect_makefunc_s_file): Ditto.
(go_reflect_makefunc_file): Ditto.
* libgo/go/reflect/makefunc_dummy.c: Ditto.
* libgo/runtime/runtime.h (__go_makefunc_can_recover): Export prototype
for use in makefunc_s390.c.
(__go_makefunc_returning): Ditto.
* libgo/go/syscall/exec_linux.go (forkAndExecInChild): Fix order of the
arguments of the clone system call for s390[x].
* libgo/configure.ac (is_s390): New variable.
(is_s390x): Ditto
(LIBGO_IS_S390): Ditto.
(LIBGO_IS_S390X): Ditto.
(GOARCH): Support s390 and s390x.
* libgo/go/go/build/build.go (cgoEnabled): Ditto.
* libgo/go/go/build/syslist.go (goarchList): Ditto.
From-SVN: r217106
Diffstat (limited to 'libgo/runtime/runtime.c')
| -rw-r--r-- | libgo/runtime/runtime.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/libgo/runtime/runtime.c b/libgo/runtime/runtime.c index bae4621..abc1aff 100644 --- a/libgo/runtime/runtime.c +++ b/libgo/runtime/runtime.c @@ -194,6 +194,14 @@ runtime_cputicks(void) uint32 low, high; asm("rdtsc" : "=a" (low), "=d" (high)); return (int64)(((uint64)high << 32) | (uint64)low); +#elif defined (__s390__) || defined (__s390x__) + uint64 clock; +#ifdef S390_HAVE_STCKF + asm("stckf\t%0" : "=Q" (clock) : : ); +#else + clock = 0; +#endif + return (int64)clock; #else // FIXME: implement for other processors. return 0; |