< prev index next >
src/hotspot/cpu/x86/c1_Runtime1_x86.cpp
Print this page
rev 49887 : 8201593: Print array length in ArrayIndexOutOfBoundsException.
Reviewed-by: dholmes, mdoerr
@@ -598,30 +598,33 @@
void Runtime1::initialize_pd() {
// nothing to do
}
-// target: the entry point of the method that creates and posts the exception oop
-// has_argument: true if the exception needs an argument (passed on stack because registers must be preserved)
-
+// Target: the entry point of the method that creates and posts the exception oop.
+// has_argument: true if the exception needs arguments (passed on the stack because
+// registers must be preserved).
OopMapSet* Runtime1::generate_exception_throw(StubAssembler* sasm, address target, bool has_argument) {
- // preserve all registers
- int num_rt_args = has_argument ? 2 : 1;
+ // Preserve all registers.
+ int num_rt_args = has_argument ? (2 + 1) : 1;
OopMap* oop_map = save_live_registers(sasm, num_rt_args);
- // now all registers are saved and can be used freely
- // verify that no old value is used accidentally
+ // Now all registers are saved and can be used freely.
+ // Verify that no old value is used accidentally.
__ invalidate_registers(true, true, true, true, true, true);
- // registers used by this stub
+ // Registers used by this stub.
const Register temp_reg = rbx;
- // load argument for exception that is passed as an argument into the stub
+ // Load arguments for exception that are passed as arguments into the stub.
if (has_argument) {
#ifdef _LP64
__ movptr(c_rarg1, Address(rbp, 2*BytesPerWord));
+ __ movptr(c_rarg2, Address(rbp, 3*BytesPerWord));
#else
+ __ movptr(temp_reg, Address(rbp, 3*BytesPerWord));
+ __ push(temp_reg);
__ movptr(temp_reg, Address(rbp, 2*BytesPerWord));
__ push(temp_reg);
#endif // _LP64
}
int call_offset = __ call_RT(noreg, noreg, target, num_rt_args - 1);
< prev index next >