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Issue 15606002: MIPS: fix arm simulator after 14725 (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 7 years, 7 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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1381 1381
1382 // These prototypes handle the four types of FP calls. 1382 // These prototypes handle the four types of FP calls.
1383 typedef int64_t (*SimulatorRuntimeCompareCall)(double darg0, double darg1); 1383 typedef int64_t (*SimulatorRuntimeCompareCall)(double darg0, double darg1);
1384 typedef double (*SimulatorRuntimeFPFPCall)(double darg0, double darg1); 1384 typedef double (*SimulatorRuntimeFPFPCall)(double darg0, double darg1);
1385 typedef double (*SimulatorRuntimeFPCall)(double darg0); 1385 typedef double (*SimulatorRuntimeFPCall)(double darg0);
1386 typedef double (*SimulatorRuntimeFPIntCall)(double darg0, int32_t arg0); 1386 typedef double (*SimulatorRuntimeFPIntCall)(double darg0, int32_t arg0);
1387 1387
1388 // This signature supports direct call in to API function native callback 1388 // This signature supports direct call in to API function native callback
1389 // (refer to InvocationCallback in v8.h). 1389 // (refer to InvocationCallback in v8.h).
1390 typedef v8::Handle<v8::Value> (*SimulatorRuntimeDirectApiCall)(int32_t arg0); 1390 typedef v8::Handle<v8::Value> (*SimulatorRuntimeDirectApiCall)(int32_t arg0);
1391 typedef void (*SimulatorRuntimeDirectApiCallNew)(int32_t arg0);
1391 1392
1392 // This signature supports direct call to accessor getter callback. 1393 // This signature supports direct call to accessor getter callback.
1393 typedef v8::Handle<v8::Value> (*SimulatorRuntimeDirectGetterCall)(int32_t arg0, 1394 typedef v8::Handle<v8::Value> (*SimulatorRuntimeDirectGetterCall)(int32_t arg0,
1394 int32_t arg1); 1395 int32_t arg1);
1396 typedef void (*SimulatorRuntimeDirectGetterCallNew)(int32_t arg0,
1397 int32_t arg1);
1395 1398
1396 // Software interrupt instructions are used by the simulator to call into the 1399 // Software interrupt instructions are used by the simulator to call into the
1397 // C-based V8 runtime. They are also used for debugging with simulator. 1400 // C-based V8 runtime. They are also used for debugging with simulator.
1398 void Simulator::SoftwareInterrupt(Instruction* instr) { 1401 void Simulator::SoftwareInterrupt(Instruction* instr) {
1399 // There are several instructions that could get us here, 1402 // There are several instructions that could get us here,
1400 // the break_ instruction, or several variants of traps. All 1403 // the break_ instruction, or several variants of traps. All
1401 // Are "SPECIAL" class opcode, and are distinuished by function. 1404 // Are "SPECIAL" class opcode, and are distinuished by function.
1402 int32_t func = instr->FunctionFieldRaw(); 1405 int32_t func = instr->FunctionFieldRaw();
1403 uint32_t code = (func == BREAK) ? instr->Bits(25, 6) : -1; 1406 uint32_t code = (func == BREAK) ? instr->Bits(25, 6) : -1;
1404 1407
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1529 case ExternalReference::BUILTIN_FP_FP_CALL: 1532 case ExternalReference::BUILTIN_FP_FP_CALL:
1530 case ExternalReference::BUILTIN_FP_CALL: 1533 case ExternalReference::BUILTIN_FP_CALL:
1531 case ExternalReference::BUILTIN_FP_INT_CALL: 1534 case ExternalReference::BUILTIN_FP_INT_CALL:
1532 PrintF("Returned %f\n", dresult); 1535 PrintF("Returned %f\n", dresult);
1533 break; 1536 break;
1534 default: 1537 default:
1535 UNREACHABLE(); 1538 UNREACHABLE();
1536 break; 1539 break;
1537 } 1540 }
1538 } 1541 }
1539 } else if (redirection->type() == ExternalReference::DIRECT_API_CALL) { 1542 } else if (
1543 redirection->type() == ExternalReference::DIRECT_API_CALL ||
1544 redirection->type() == ExternalReference::DIRECT_API_CALL_NEW) {
1540 // See DirectCEntryStub::GenerateCall for explanation of register usage. 1545 // See DirectCEntryStub::GenerateCall for explanation of register usage.
1541 SimulatorRuntimeDirectApiCall target =
1542 reinterpret_cast<SimulatorRuntimeDirectApiCall>(external);
1543 if (::v8::internal::FLAG_trace_sim) { 1546 if (::v8::internal::FLAG_trace_sim) {
1544 PrintF("Call to host function at %p args %08x\n", 1547 PrintF("Call to host function at %p args %08x\n",
1545 FUNCTION_ADDR(target), arg1); 1548 reinterpret_cast<void*>(external), arg1);
1546 } 1549 }
1547 v8::Handle<v8::Value> result = target(arg1); 1550 if (redirection->type() == ExternalReference::DIRECT_API_CALL) {
1548 *(reinterpret_cast<int*>(arg0)) = reinterpret_cast<int32_t>(*result); 1551 SimulatorRuntimeDirectApiCall target =
1549 set_register(v0, arg0); 1552 reinterpret_cast<SimulatorRuntimeDirectApiCall>(external);
1550 } else if (redirection->type() == ExternalReference::DIRECT_GETTER_CALL) { 1553 v8::Handle<v8::Value> result = target(arg1);
1554 *(reinterpret_cast<int*>(arg0)) = reinterpret_cast<int32_t>(*result);
1555 set_register(v0, arg0);
1556 } else {
1557 SimulatorRuntimeDirectApiCallNew target =
1558 reinterpret_cast<SimulatorRuntimeDirectApiCallNew>(external);
1559 target(arg1);
1560 }
1561 } else if (
1562 redirection->type() == ExternalReference::DIRECT_GETTER_CALL ||
1563 redirection->type() == ExternalReference::DIRECT_GETTER_CALL_NEW) {
1551 // See DirectCEntryStub::GenerateCall for explanation of register usage. 1564 // See DirectCEntryStub::GenerateCall for explanation of register usage.
1552 SimulatorRuntimeDirectGetterCall target =
1553 reinterpret_cast<SimulatorRuntimeDirectGetterCall>(external);
1554 if (::v8::internal::FLAG_trace_sim) { 1565 if (::v8::internal::FLAG_trace_sim) {
1555 PrintF("Call to host function at %p args %08x %08x\n", 1566 PrintF("Call to host function at %p args %08x %08x\n",
1556 FUNCTION_ADDR(target), arg1, arg2); 1567 reinterpret_cast<void*>(external), arg1, arg2);
1557 } 1568 }
1558 v8::Handle<v8::Value> result = target(arg1, arg2); 1569 if (redirection->type() == ExternalReference::DIRECT_GETTER_CALL) {
1559 *(reinterpret_cast<int*>(arg0)) = reinterpret_cast<int32_t>(*result); 1570 SimulatorRuntimeDirectGetterCall target =
1560 set_register(v0, arg0); 1571 reinterpret_cast<SimulatorRuntimeDirectGetterCall>(external);
1572 v8::Handle<v8::Value> result = target(arg1, arg2);
1573 *(reinterpret_cast<int*>(arg0)) = reinterpret_cast<int32_t>(*result);
1574 set_register(v0, arg0);
1575 } else {
1576 SimulatorRuntimeDirectGetterCallNew target =
1577 reinterpret_cast<SimulatorRuntimeDirectGetterCallNew>(external);
1578 target(arg1, arg2);
1579 }
1561 } else { 1580 } else {
1562 SimulatorRuntimeCall target = 1581 SimulatorRuntimeCall target =
1563 reinterpret_cast<SimulatorRuntimeCall>(external); 1582 reinterpret_cast<SimulatorRuntimeCall>(external);
1564 if (::v8::internal::FLAG_trace_sim) { 1583 if (::v8::internal::FLAG_trace_sim) {
1565 PrintF( 1584 PrintF(
1566 "Call to host function at %p " 1585 "Call to host function at %p "
1567 "args %08x, %08x, %08x, %08x, %08x, %08x\n", 1586 "args %08x, %08x, %08x, %08x, %08x, %08x\n",
1568 FUNCTION_ADDR(target), 1587 FUNCTION_ADDR(target),
1569 arg0, 1588 arg0,
1570 arg1, 1589 arg1,
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2902 } 2921 }
2903 2922
2904 2923
2905 #undef UNSUPPORTED 2924 #undef UNSUPPORTED
2906 2925
2907 } } // namespace v8::internal 2926 } } // namespace v8::internal
2908 2927
2909 #endif // USE_SIMULATOR 2928 #endif // USE_SIMULATOR
2910 2929
2911 #endif // V8_TARGET_ARCH_MIPS 2930 #endif // V8_TARGET_ARCH_MIPS
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