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src/hotspot/cpu/aarch64/templateInterpreterGenerator_aarch64.cpp

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rev 49011 : 8197405: Improve messages of AbstractMethodErrors and IncompatibleClassChangeErrors.
Reviewed-by: coleenp, dholmes


 276   __ blrt(rscratch1, gpargs, fpargs, rtype);
 277 }
 278 
 279 // Abstract method entry
 280 // Attempt to execute abstract method. Throw exception
 281 address TemplateInterpreterGenerator::generate_abstract_entry(void) {
 282   // rmethod: Method*
 283   // r13: sender SP
 284 
 285   address entry_point = __ pc();
 286 
 287   // abstract method entry
 288 
 289   //  pop return address, reset last_sp to NULL
 290   __ empty_expression_stack();
 291   __ restore_bcp();      // bcp must be correct for exception handler   (was destroyed)
 292   __ restore_locals();   // make sure locals pointer is correct as well (was destroyed)
 293 
 294   // throw exception
 295   __ call_VM(noreg, CAST_FROM_FN_PTR(address,
 296                              InterpreterRuntime::throw_AbstractMethodError));

 297   // the call_VM checks for exception, so we should never return here.
 298   __ should_not_reach_here();
 299 
 300   return entry_point;
 301 }
 302 
 303 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() {
 304   address entry = __ pc();
 305 
 306 #ifdef ASSERT
 307   {
 308     Label L;
 309     __ ldr(rscratch1, Address(rfp,
 310                        frame::interpreter_frame_monitor_block_top_offset *
 311                        wordSize));
 312     __ mov(rscratch2, sp);
 313     __ cmp(rscratch1, rscratch2); // maximal rsp for current rfp (stack
 314                            // grows negative)
 315     __ br(Assembler::HS, L); // check if frame is complete
 316     __ stop ("interpreter frame not set up");




 276   __ blrt(rscratch1, gpargs, fpargs, rtype);
 277 }
 278 
 279 // Abstract method entry
 280 // Attempt to execute abstract method. Throw exception
 281 address TemplateInterpreterGenerator::generate_abstract_entry(void) {
 282   // rmethod: Method*
 283   // r13: sender SP
 284 
 285   address entry_point = __ pc();
 286 
 287   // abstract method entry
 288 
 289   //  pop return address, reset last_sp to NULL
 290   __ empty_expression_stack();
 291   __ restore_bcp();      // bcp must be correct for exception handler   (was destroyed)
 292   __ restore_locals();   // make sure locals pointer is correct as well (was destroyed)
 293 
 294   // throw exception
 295   __ call_VM(noreg, CAST_FROM_FN_PTR(address,
 296                                      InterpreterRuntime::throw_AbstractMethodErrorWithMethod),
 297                                      rmethod);
 298   // the call_VM checks for exception, so we should never return here.
 299   __ should_not_reach_here();
 300 
 301   return entry_point;
 302 }
 303 
 304 address TemplateInterpreterGenerator::generate_StackOverflowError_handler() {
 305   address entry = __ pc();
 306 
 307 #ifdef ASSERT
 308   {
 309     Label L;
 310     __ ldr(rscratch1, Address(rfp,
 311                        frame::interpreter_frame_monitor_block_top_offset *
 312                        wordSize));
 313     __ mov(rscratch2, sp);
 314     __ cmp(rscratch1, rscratch2); // maximal rsp for current rfp (stack
 315                            // grows negative)
 316     __ br(Assembler::HS, L); // check if frame is complete
 317     __ stop ("interpreter frame not set up");


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