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src/hotspot/os_cpu/bsd_x86/os_bsd_x86.cpp
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rev 52430 : 8213199: GC abstraction for Assembler::needs_explicit_null_check()
@@ -578,11 +578,11 @@
#if defined(__APPLE__)
// 32-bit Darwin reports a SIGBUS for nearly all memory access exceptions.
// 64-bit Darwin may also use a SIGBUS (seen with compressed oops).
// Catching SIGBUS here prevents the implicit SIGBUS NULL check below from
// being called, so only do so if the implicit NULL check is not necessary.
- } else if (sig == SIGBUS && MacroAssembler::needs_explicit_null_check((intptr_t)info->si_addr)) {
+ } else if (sig == SIGBUS && !MacroAssembler::uses_implicit_null_check(info->si_addr)) {
#else
} else if (sig == SIGBUS /* && info->si_code == BUS_OBJERR */) {
#endif
// BugId 4454115: A read from a MappedByteBuffer can fault
// here if the underlying file has been truncated.
@@ -653,11 +653,11 @@
tty->print_cr("unknown opcode 0x%X with SIGFPE.", op);
fatal("please update this code.");
}
#endif // AMD64
} else if ((sig == SIGSEGV || sig == SIGBUS) &&
- !MacroAssembler::needs_explicit_null_check((intptr_t)info->si_addr)) {
+ MacroAssembler::uses_implicit_null_check(info->si_addr)) {
// Determination of interpreter/vtable stub/compiled code null exception
stub = SharedRuntime::continuation_for_implicit_exception(thread, pc, SharedRuntime::IMPLICIT_NULL);
}
} else if (thread->thread_state() == _thread_in_vm &&
sig == SIGBUS && /* info->si_code == BUS_OBJERR && */
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