8075860: aarch64: jdk9/dev fails to build
Summary: Fix undefined os::Linux::ucontext_set_pc in aarch64 build
Reviewed-by: kvn
--- a/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp Thu Mar 19 15:00:51 2015 -0700
+++ b/hotspot/src/os_cpu/linux_aarch64/vm/os_linux_aarch64.cpp Wed Mar 25 10:24:51 2015 -0700
@@ -116,6 +116,14 @@
#endif
}
+void os::Linux::ucontext_set_pc(ucontext_t * uc, address pc) {
+#ifdef BUILTIN_SIM
+ uc->uc_mcontext.gregs[REG_PC] = (intptr_t)pc;
+#else
+ uc->uc_mcontext.pc = (intptr_t)pc;
+#endif
+}
+
intptr_t* os::Linux::ucontext_get_sp(ucontext_t * uc) {
#ifdef BUILTIN_SIM
return (intptr_t*)uc->uc_mcontext.gregs[REG_SP];
@@ -311,7 +319,7 @@
}
#else
if (StubRoutines::is_safefetch_fault(pc)) {
- uc->uc_mcontext.pc = intptr_t(StubRoutines::continuation_for_safefetch_fault(pc));
+ os::Linux::ucontext_set_pc(uc, StubRoutines::continuation_for_safefetch_fault(pc));
return 1;
}
#endif
@@ -432,11 +440,7 @@
// save all thread context in case we need to restore it
if (thread != NULL) thread->set_saved_exception_pc(pc);
-#ifdef BUILTIN_SIM
- uc->uc_mcontext.gregs[REG_PC] = (greg_t)stub;
-#else
- uc->uc_mcontext.pc = (__u64)stub;
-#endif
+ os::Linux::ucontext_set_pc(uc, stub);
return true;
}