234 __ mtlr(R0);
235 }
236
237
238 void Runtime1::initialize_pd() {
239 int i;
240 int sp_offset = frame::abi_reg_args_size;
241
242 for (i = 0; i < FrameMap::nof_cpu_regs; i++) {
243 Register r = as_Register(i);
244 if (FrameMap::reg_needs_save(r)) {
245 cpu_reg_save_offsets[i] = sp_offset;
246 sp_offset += BytesPerWord;
247 }
248 }
249
250 for (i = 0; i < FrameMap::nof_fpu_regs; i++) {
251 fpu_reg_save_offsets[i] = sp_offset;
252 sp_offset += BytesPerWord;
253 }
254 frame_size_in_bytes = align_size_up(sp_offset, frame::alignment_in_bytes);
255 }
256
257
258 OopMapSet* Runtime1::generate_exception_throw(StubAssembler* sasm, address target, bool has_argument) {
259 // Make a frame and preserve the caller's caller-save registers.
260 OopMap* oop_map = save_live_registers(sasm);
261
262 int call_offset;
263 if (!has_argument) {
264 call_offset = __ call_RT(noreg, noreg, target);
265 } else {
266 call_offset = __ call_RT(noreg, noreg, target, R4_ARG2);
267 }
268 OopMapSet* oop_maps = new OopMapSet();
269 oop_maps->add_gc_map(call_offset, oop_map);
270
271 __ should_not_reach_here();
272 return oop_maps;
273 }
274
275 static OopMapSet* generate_exception_throw_with_stack_parms(StubAssembler* sasm, address target,
276 int stack_parms) {
277 // Make a frame and preserve the caller's caller-save registers.
278 const int parm_size_in_bytes = align_size_up(stack_parms << LogBytesPerWord, frame::alignment_in_bytes);
279 const int padding = parm_size_in_bytes - (stack_parms << LogBytesPerWord);
280 OopMap* oop_map = save_live_registers(sasm, true, noreg, parm_size_in_bytes);
281
282 int call_offset = 0;
283 switch (stack_parms) {
284 case 3:
285 __ ld(R6_ARG4, frame_size_in_bytes + padding + 16, R1_SP);
286 case 2:
287 __ ld(R5_ARG3, frame_size_in_bytes + padding + 8, R1_SP);
288 case 1:
289 __ ld(R4_ARG2, frame_size_in_bytes + padding + 0, R1_SP);
290 call_offset = __ call_RT(noreg, noreg, target);
291 break;
292 default: Unimplemented(); break;
293 }
294 OopMapSet* oop_maps = new OopMapSet();
295 oop_maps->add_gc_map(call_offset, oop_map);
296
297 __ should_not_reach_here();
298 return oop_maps;
308 if (arg1 == noreg) {
309 call_offset = __ call_RT(result, noreg, target);
310 } else if (arg2 == noreg) {
311 call_offset = __ call_RT(result, noreg, target, arg1);
312 } else if (arg3 == noreg) {
313 call_offset = __ call_RT(result, noreg, target, arg1, arg2);
314 } else {
315 call_offset = __ call_RT(result, noreg, target, arg1, arg2, arg3);
316 }
317 OopMapSet* oop_maps = new OopMapSet();
318 oop_maps->add_gc_map(call_offset, oop_map);
319
320 restore_live_registers(sasm, result, noreg);
321 __ blr();
322 return oop_maps;
323 }
324
325 static OopMapSet* stub_call_with_stack_parms(StubAssembler* sasm, Register result, address target,
326 int stack_parms, bool do_return = true) {
327 // Make a frame and preserve the caller's caller-save registers.
328 const int parm_size_in_bytes = align_size_up(stack_parms << LogBytesPerWord, frame::alignment_in_bytes);
329 const int padding = parm_size_in_bytes - (stack_parms << LogBytesPerWord);
330 OopMap* oop_map = save_live_registers(sasm, true, noreg, parm_size_in_bytes);
331
332 int call_offset = 0;
333 switch (stack_parms) {
334 case 3:
335 __ ld(R6_ARG4, frame_size_in_bytes + padding + 16, R1_SP);
336 case 2:
337 __ ld(R5_ARG3, frame_size_in_bytes + padding + 8, R1_SP);
338 case 1:
339 __ ld(R4_ARG2, frame_size_in_bytes + padding + 0, R1_SP);
340 call_offset = __ call_RT(result, noreg, target);
341 break;
342 default: Unimplemented(); break;
343 }
344 OopMapSet* oop_maps = new OopMapSet();
345 oop_maps->add_gc_map(call_offset, oop_map);
346
347 restore_live_registers(sasm, result, noreg);
348 if (do_return) __ blr();
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234 __ mtlr(R0);
235 }
236
237
238 void Runtime1::initialize_pd() {
239 int i;
240 int sp_offset = frame::abi_reg_args_size;
241
242 for (i = 0; i < FrameMap::nof_cpu_regs; i++) {
243 Register r = as_Register(i);
244 if (FrameMap::reg_needs_save(r)) {
245 cpu_reg_save_offsets[i] = sp_offset;
246 sp_offset += BytesPerWord;
247 }
248 }
249
250 for (i = 0; i < FrameMap::nof_fpu_regs; i++) {
251 fpu_reg_save_offsets[i] = sp_offset;
252 sp_offset += BytesPerWord;
253 }
254 frame_size_in_bytes = align_up(sp_offset, frame::alignment_in_bytes);
255 }
256
257
258 OopMapSet* Runtime1::generate_exception_throw(StubAssembler* sasm, address target, bool has_argument) {
259 // Make a frame and preserve the caller's caller-save registers.
260 OopMap* oop_map = save_live_registers(sasm);
261
262 int call_offset;
263 if (!has_argument) {
264 call_offset = __ call_RT(noreg, noreg, target);
265 } else {
266 call_offset = __ call_RT(noreg, noreg, target, R4_ARG2);
267 }
268 OopMapSet* oop_maps = new OopMapSet();
269 oop_maps->add_gc_map(call_offset, oop_map);
270
271 __ should_not_reach_here();
272 return oop_maps;
273 }
274
275 static OopMapSet* generate_exception_throw_with_stack_parms(StubAssembler* sasm, address target,
276 int stack_parms) {
277 // Make a frame and preserve the caller's caller-save registers.
278 const int parm_size_in_bytes = align_up(stack_parms << LogBytesPerWord, frame::alignment_in_bytes);
279 const int padding = parm_size_in_bytes - (stack_parms << LogBytesPerWord);
280 OopMap* oop_map = save_live_registers(sasm, true, noreg, parm_size_in_bytes);
281
282 int call_offset = 0;
283 switch (stack_parms) {
284 case 3:
285 __ ld(R6_ARG4, frame_size_in_bytes + padding + 16, R1_SP);
286 case 2:
287 __ ld(R5_ARG3, frame_size_in_bytes + padding + 8, R1_SP);
288 case 1:
289 __ ld(R4_ARG2, frame_size_in_bytes + padding + 0, R1_SP);
290 call_offset = __ call_RT(noreg, noreg, target);
291 break;
292 default: Unimplemented(); break;
293 }
294 OopMapSet* oop_maps = new OopMapSet();
295 oop_maps->add_gc_map(call_offset, oop_map);
296
297 __ should_not_reach_here();
298 return oop_maps;
308 if (arg1 == noreg) {
309 call_offset = __ call_RT(result, noreg, target);
310 } else if (arg2 == noreg) {
311 call_offset = __ call_RT(result, noreg, target, arg1);
312 } else if (arg3 == noreg) {
313 call_offset = __ call_RT(result, noreg, target, arg1, arg2);
314 } else {
315 call_offset = __ call_RT(result, noreg, target, arg1, arg2, arg3);
316 }
317 OopMapSet* oop_maps = new OopMapSet();
318 oop_maps->add_gc_map(call_offset, oop_map);
319
320 restore_live_registers(sasm, result, noreg);
321 __ blr();
322 return oop_maps;
323 }
324
325 static OopMapSet* stub_call_with_stack_parms(StubAssembler* sasm, Register result, address target,
326 int stack_parms, bool do_return = true) {
327 // Make a frame and preserve the caller's caller-save registers.
328 const int parm_size_in_bytes = align_up(stack_parms << LogBytesPerWord, frame::alignment_in_bytes);
329 const int padding = parm_size_in_bytes - (stack_parms << LogBytesPerWord);
330 OopMap* oop_map = save_live_registers(sasm, true, noreg, parm_size_in_bytes);
331
332 int call_offset = 0;
333 switch (stack_parms) {
334 case 3:
335 __ ld(R6_ARG4, frame_size_in_bytes + padding + 16, R1_SP);
336 case 2:
337 __ ld(R5_ARG3, frame_size_in_bytes + padding + 8, R1_SP);
338 case 1:
339 __ ld(R4_ARG2, frame_size_in_bytes + padding + 0, R1_SP);
340 call_offset = __ call_RT(result, noreg, target);
341 break;
342 default: Unimplemented(); break;
343 }
344 OopMapSet* oop_maps = new OopMapSet();
345 oop_maps->add_gc_map(call_offset, oop_map);
346
347 restore_live_registers(sasm, result, noreg);
348 if (do_return) __ blr();
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