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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #if V8_TARGET_ARCH_PPC | 5 #if V8_TARGET_ARCH_PPC |
6 | 6 |
7 #include "src/codegen.h" | 7 #include "src/codegen.h" |
8 #include "src/debug/debug.h" | 8 #include "src/debug/debug.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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3020 __ JumpToJSEntry(ip); | 3020 __ JumpToJSEntry(ip); |
3021 | 3021 |
3022 __ bind(&stack_overflow); | 3022 __ bind(&stack_overflow); |
3023 { | 3023 { |
3024 FrameScope frame(masm, StackFrame::MANUAL); | 3024 FrameScope frame(masm, StackFrame::MANUAL); |
3025 __ CallRuntime(Runtime::kThrowStackOverflow); | 3025 __ CallRuntime(Runtime::kThrowStackOverflow); |
3026 __ bkpt(0); | 3026 __ bkpt(0); |
3027 } | 3027 } |
3028 } | 3028 } |
3029 | 3029 |
| 3030 void Builtins::Generate_WasmCompileLazy(MacroAssembler* masm) { |
| 3031 { |
| 3032 FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL); |
| 3033 |
| 3034 // Save all parameter registers (see wasm-linkage.cc). They might be |
| 3035 // overwritten in the runtime call below. We don't have any callee-saved |
| 3036 // registers in wasm, so no need to store anything else. |
| 3037 const RegList gp_regs = r3.bit() | r4.bit() | r5.bit() | r6.bit() | |
| 3038 r7.bit() | r8.bit() | r9.bit() | r10.bit(); |
| 3039 const RegList fp_regs = d1.bit() | d2.bit() | d3.bit() | d4.bit() | |
| 3040 d5.bit() | d6.bit() | d7.bit() | d8.bit(); |
| 3041 __ MultiPush(gp_regs); |
| 3042 __ MultiPushDoubles(fp_regs); |
| 3043 |
| 3044 // Initialize cp register with kZero, CEntryStub will use it to set the |
| 3045 // current context on the isolate. |
| 3046 __ LoadSmiLiteral(cp, Smi::kZero); |
| 3047 __ CallRuntime(Runtime::kWasmCompileLazy); |
| 3048 // Store returned instruction start in ip. |
| 3049 __ addi(ip, r3, Operand(Code::kHeaderSize - kHeapObjectTag)); |
| 3050 |
| 3051 // Restore registers. |
| 3052 __ MultiPopDoubles(fp_regs); |
| 3053 __ MultiPop(gp_regs); |
| 3054 } |
| 3055 // Now jump to the instructions of the returned code object. |
| 3056 __ Jump(ip); |
| 3057 } |
| 3058 |
3030 #undef __ | 3059 #undef __ |
3031 } // namespace internal | 3060 } // namespace internal |
3032 } // namespace v8 | 3061 } // namespace v8 |
3033 | 3062 |
3034 #endif // V8_TARGET_ARCH_PPC | 3063 #endif // V8_TARGET_ARCH_PPC |
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