diff options
Diffstat (limited to 'coregrind/m_syswrap/syswrap-linux.c')
| -rw-r--r-- | coregrind/m_syswrap/syswrap-linux.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c index b0e5ca3e..35f8ee63 100644 --- a/coregrind/m_syswrap/syswrap-linux.c +++ b/coregrind/m_syswrap/syswrap-linux.c @@ -206,6 +206,14 @@ static void run_a_thread_NORETURN ( Word tidW ) "svc 0x00000000\n" /* exit(tst->os_state.exitcode) */ : "=m" (tst->status) : "r" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode)); +#elif defined(VGP_s390x_linux) + asm volatile ( + "st %1, %0\n" /* set tst->status = VgTs_Empty */ + "lg 2, %3\n" /* set r2 = tst->os_state.exitcode */ + "svc %2\n" /* exit(tst->os_state.exitcode) */ + : "=m" (tst->status) + : "d" (VgTs_Empty), "n" (__NR_exit), "m" (tst->os_state.exitcode) + : "2"); #else # error Unknown platform #endif @@ -288,6 +296,11 @@ void VG_(main_thread_wrapper_NORETURN)(ThreadId tid) sp -= 112; sp &= ~((Addr)0xF); *(UWord *)sp = 0; +#elif defined(VGP_s390x_linux) + /* make a stack frame */ + sp -= 160; + sp &= ~((Addr)0xF); + *(UWord *)sp = 0; #endif /* If we can't even allocate the first thread's stack, we're hosed. @@ -342,6 +355,10 @@ SysRes ML_(do_fork_clone) ( ThreadId tid, UInt flags, res = VG_(do_syscall5)( __NR_clone, flags, (UWord)NULL, (UWord)parent_tidptr, (UWord)child_tidptr, (UWord)NULL ); +#elif defined(VGP_s390x_linux) + /* Note that s390 has the stack first and then the flags */ + res = VG_(do_syscall4)( __NR_clone, (UWord) NULL, flags, + (UWord)parent_tidptr, (UWord)child_tidptr); #else # error Unknown platform #endif @@ -3566,7 +3583,7 @@ POST(sys_lookup_dcookie) } #endif -#if defined(VGP_amd64_linux) +#if defined(VGP_amd64_linux) || defined(VGP_s390x_linux) PRE(sys_lookup_dcookie) { *flags |= SfMayBlock; |