| //------------------------------------------------------------------------------------------------------- |
| // Copyright (C) Microsoft. All rights reserved. |
| // Licensed under the MIT license. See LICENSE.txt file in the project root for full license information. |
| //------------------------------------------------------------------------------------------------------- |
| .intel_syntax noprefix |
| #include "unixasmmacros.inc" |
| |
| |
| #ifdef _ENABLE_DYNAMIC_THUNKS |
| |
| //============================================================================================================ |
| // InterpreterStackFrame::DelayDynamicInterpreterThunk |
| //============================================================================================================ |
| |
| // JavascriptMethod InterpreterStackFrame::EnsureDynamicInterpreterThunk(ScriptFunction * function) |
| // extrn _ZN2Js21InterpreterStackFrame29EnsureDynamicInterpreterThunkEPNS_14ScriptFunctionE |
| |
| // Var InterpreterStackFrame::DelayDynamicInterpreterThunk(RecyclableObject* function, CallInfo callInfo, ...) |
| .balign 16 |
| NESTED_ENTRY _ZN2Js21InterpreterStackFrame28DelayDynamicInterpreterThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler |
| push_nonvol_reg rbp |
| lea rbp, [rsp] |
| |
| // save argument registers used by custom calling convention |
| push_register rdi |
| push_register rsi |
| |
| // JavascriptMethod InterpreterStackFrame::EnsureDynamicInterpreterThunk( |
| // ScriptFunction * function) |
| // |
| // RDI == function, setup by custom calling convention |
| call C_FUNC(_ZN2Js21InterpreterStackFrame29EnsureDynamicInterpreterThunkEPNS_14ScriptFunctionE) |
| |
| pop_register rsi |
| pop_register rdi |
| pop_nonvol_reg rbp |
| |
| jmp rax |
| NESTED_END _ZN2Js21InterpreterStackFrame28DelayDynamicInterpreterThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT |
| |
| |
| //============================================================================================================ |
| // InterpreterStackFrame::AsmJsDelayDynamicInterpreterThunk |
| //============================================================================================================ |
| |
| // JavascriptMethod InterpreterStackFrame::EnsureDynamicInterpreterThunk(ScriptFunction * function) |
| // extrn _ZN2Js21InterpreterStackFrame29EnsureDynamicInterpreterThunkEPNS_14ScriptFunctionE |
| |
| // Var InterpreterStackFrame::AsmJsDelayDynamicInterpreterThunk(RecyclableObject* function, CallInfo callInfo, ...) |
| .balign 16 |
| NESTED_ENTRY _ZN2Js21InterpreterStackFrame33AsmJsDelayDynamicInterpreterThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler |
| push_nonvol_reg rbp // push rbp and adjust CFA offset |
| lea rbp, [rsp] |
| |
| set_cfa_register rbp, (2*8) // Set to compute CFA as: rbp + 16 (sizeof: [rbp] [ReturnAddress]) |
| |
| // save argument registers used by custom calling convention |
| push rdi |
| push rsi |
| push rdx |
| push rcx |
| push r8 |
| push r9 |
| |
| call C_FUNC(_ZN2Js11WasmLibrary20EnsureWasmEntrypointEPNS_14ScriptFunctionE) |
| test rax, rax |
| jne skipThunk |
| mov rdi, [rbp-0x8] |
| call C_FUNC(_ZN2Js21InterpreterStackFrame29EnsureDynamicInterpreterThunkEPNS_14ScriptFunctionE) |
| skipThunk: |
| |
| pop r9 |
| pop r8 |
| pop rcx |
| pop rdx |
| pop rsi |
| pop rdi |
| |
| pop_nonvol_reg rbp |
| jmp rax |
| NESTED_END _ZN2Js21InterpreterStackFrame33AsmJsDelayDynamicInterpreterThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT |
| |
| |
| //============================================================================================================ |
| // DynamicProfileInfo::EnsureDynamicProfileInfoThunk |
| //============================================================================================================ |
| // JavascriptMethod DynamicProfileInfo::EnsureDynamicProfileInfo(ScriptFunction * function) |
| // extrn _ZN2Js18DynamicProfileInfo24EnsureDynamicProfileInfoEPNS_14ScriptFunctionE |
| |
| // Var DynamicProfileInfo::EnsureDynamicProfileInfoThunk(RecyclableObject* function, CallInfo callInfo, ...) |
| .balign 16 |
| NESTED_ENTRY _ZN2Js18DynamicProfileInfo29EnsureDynamicProfileInfoThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler |
| push_nonvol_reg rbp |
| lea rbp, [rsp] |
| |
| // save argument registers used by custom calling convention |
| push_register rdi |
| push_register rsi |
| |
| call C_FUNC(_ZN2Js18DynamicProfileInfo24EnsureDynamicProfileInfoEPNS_14ScriptFunctionE) |
| |
| pop_register rsi |
| pop_register rdi |
| |
| pop_nonvol_reg rbp |
| jmp rax |
| NESTED_END _ZN2Js18DynamicProfileInfo29EnsureDynamicProfileInfoThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT |
| |
| #endif // _ENABLE_DYNAMIC_THUNKS |
| |
| |
| //============================================================================================================ |
| // ScriptContext::ProfileModeDeferredParsingThunk |
| //============================================================================================================ |
| |
| // Js::JavascriptMethod ScriptContext::ProfileModeDeferredParse(ScriptFunction **function) |
| // extrn C_FUNC(_ZN2Js13ScriptContext31ProfileModeDeferredParsingThunkEPNS_16RecyclableObjectENS_8CallInfoEz) |
| |
| // Var ScriptContext::ProfileModeDeferredParsingThunk(RecyclableObject* function, CallInfo callInfo, ...) |
| .balign 16 |
| NESTED_ENTRY _ZN2Js13ScriptContext31ProfileModeDeferredParsingThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler |
| push_nonvol_reg rbp |
| lea rbp, [rsp] |
| |
| // save argument registers used by custom calling convention |
| push_register rdi |
| push_register rsi |
| |
| call C_FUNC(_ZN2Js13ScriptContext24ProfileModeDeferredParseEPPNS_14ScriptFunctionE) |
| |
| pop_register rsi |
| pop_register rdi |
| |
| pop_nonvol_reg rbp |
| jmp rax |
| NESTED_END _ZN2Js13ScriptContext31ProfileModeDeferredParsingThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT |
| |
| //============================================================================================================ |
| |
| |
| //============================================================================================================ |
| // ScriptContext::ProfileModeDeferredDeserializeThunk |
| //============================================================================================================ |
| |
| // Js::JavascriptMethod ScriptContext::ProfileModeDeferredDeserialize(ScriptFunction *function) |
| // extrn ?ProfileModeDeferredDeserialize@ScriptContext@Js@@SAP6APEAXPEAVRecyclableObject@2@UCallInfo@2@ZZPEAVScriptFunction@2@@Z : PROC |
| |
| // Var ScriptContext::ProfileModeDeferredDeserializeThunk(RecyclableObject* function, CallInfo callInfo, ...) |
| .balign 16 |
| NESTED_ENTRY _ZN2Js13ScriptContext35ProfileModeDeferredDeserializeThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler |
| push_nonvol_reg rbp |
| lea rbp, [rsp] |
| |
| // save argument registers used by custom calling convention |
| push_register rdi |
| push_register rsi |
| |
| call C_FUNC(_ZN2Js13ScriptContext30ProfileModeDeferredDeserializeEPNS_14ScriptFunctionE) |
| |
| pop_register rsi |
| pop_register rdi |
| |
| pop_nonvol_reg rbp |
| jmp rax |
| NESTED_END _ZN2Js13ScriptContext35ProfileModeDeferredDeserializeThunkEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT |
| |
| |
| #ifdef _ENABLE_DYNAMIC_THUNKS |
| |
| //============================================================================================================ |
| // Js::AsmJsInterpreterThunk |
| //============================================================================================================ |
| |
| // extern _ZN2Js21InterpreterStackFrame29GetAsmJsInterpreterEntryPointEPNS_20AsmJsCallStackLayoutE |
| |
| // AsmJsInterpreterThunk (AsmJsCallStackLayout *function, ...) |
| .balign 16 |
| NESTED_ENTRY _ZN2Js21InterpreterStackFrame19InterpreterAsmThunkEPNS_20AsmJsCallStackLayoutE, _TEXT, NoHandler |
| push_nonvol_reg rbp // push rbp and adjust CFA offset |
| lea rbp, [rsp] |
| |
| set_cfa_register rbp, (2*8) // Set to compute CFA as: rbp + 16 (sizeof: [rbp] [ReturnAddress]) |
| |
| |
| // save argument registers used by custom calling convention |
| push rdi |
| push rsi |
| |
| // get correct interpreter entrypoint |
| call C_FUNC(_ZN2Js21InterpreterStackFrame29GetAsmJsInterpreterEntryPointEPNS_20AsmJsCallStackLayoutE) |
| |
| pop rsi |
| pop rdi |
| |
| call rax // call appropriate template |
| |
| pop_nonvol_reg rbp |
| ret |
| NESTED_END _ZN2Js21InterpreterStackFrame19InterpreterAsmThunkEPNS_20AsmJsCallStackLayoutE, _TEXT |
| |
| //============================================================================================================ |
| // Js::AsmJsExternalEntryPoint |
| //============================================================================================================ |
| |
| //extrn ?GetStackSizeForAsmJsUnboxing@Js@@YAHPEAVScriptFunction@1@@Z: PROC |
| //extrn ?UnboxAsmJsArguments@Js@@YAPEAXPEAVScriptFunction@1@PEAPEAXPEADUCallInfo@1@@Z : PROC |
| //extrn ?BoxAsmJsReturnValue@Js@@YAPEAXPEAVScriptFunction@1@HNM@Z : PROC |
| //extrn ?BoxAsmJsReturnValue@Js@@YAPEAXPEAVScriptFunction@1@HNMT__m128@@@Z : PROC |
| |
| //extrn ?GetArgsSizesArray@Js@@YAPEAIPEAVScriptFunction@1@@Z : PROC |
| |
| // int Js::AsmJsExternalEntryPoint(RecyclableObject* entryObject, CallInfo callInfo, ...) |
| .balign 16 |
| NESTED_ENTRY _ZN2Js23AsmJsExternalEntryPointEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT, NoHandler |
| push_nonvol_reg rbp // push rbp and adjust CFA offset |
| lea rbp, [rsp] |
| |
| set_cfa_register rbp, (2*8) // Set to compute CFA as: rbp + 16 (sizeof: [rbp] [ReturnAddress]) |
| |
| sub rsp, 0x40 |
| |
| mov [rsp + 0x28], r12 |
| .cfi_rel_offset r12, -0x18 |
| mov [rsp + 0x30], r13 |
| .cfi_rel_offset r13, -0x10 |
| |
| mov r12, rdi // r12: entryObject |
| mov r13, rsi // r13: callInfo |
| |
| // allocate stack space for unboxed values |
| // int GetStackSizeForAsmJsUnboxing(ScriptFunction* func) |
| call C_FUNC(_ZN2Js28GetStackSizeForAsmJsUnboxingEPNS_14ScriptFunctionE) |
| |
| mov rcx, r13 // arg4: callInfo |
| mov rsi, rsp // arg2: orig stack pointer is arg for the unboxing helper |
| mov r13, rsi // r13: save orig stack pointer, so that we can add it back later |
| add rsi, 0x68 // account for the changes we have already made to rsp |
| |
| sub rsp, rax // allocate additional stack space for args |
| // UnboxAsmJsArguments(func, origArgsLoc, argDst, callInfo) |
| mov rdi, r12 // arg1: func |
| mov rdx, rsp // arg3: argDst |
| |
| // unboxing function also does stack probe |
| call C_FUNC(_ZN2Js19UnboxAsmJsArgumentsEPNS_14ScriptFunctionEPPvPcNS_8CallInfoE) |
| // rax = target function address |
| |
| mov rdi, r12 // arg0: func |
| |
| mov [rsp + 0x00], rdi |
| |
| // call entry point |
| call rax |
| |
| // Var BoxAsmJsReturnValue(ScriptFunction* func, int intRetVal, double doubleRetVal, float floatRetVal) |
| mov rdi, r12 // arg0: func |
| mov rsi, rax // arg1: intRetVal |
| // movsd xmm0, xmm0 // arg2: doubleRetVal |
| movss xmm1, xmm0 // arg3: floatRetVal |
| |
| |
| // store SIMD xmm value and pointer to it as argument to box function |
| sub rsp, 0x20 |
| movups [rsp + 0x10], xmm0 |
| lea r12, [rsp + 0x10] |
| mov qword ptr [rsp], r12 |
| call C_FUNC(_ZN2Js19BoxAsmJsReturnValueEPNS_14ScriptFunctionEldfDv4_f) |
| |
| mov rsp, r13 // restore stack pointer |
| Epilogue: |
| mov r12, [rsp + 0x28] |
| .cfi_restore r12 |
| mov r13, [rsp + 0x30] |
| .cfi_restore r13 |
| |
| lea rsp, [rbp] |
| pop_nonvol_reg rbp |
| |
| ret |
| NESTED_END _ZN2Js23AsmJsExternalEntryPointEPNS_16RecyclableObjectENS_8CallInfoEz, _TEXT |
| |
| #endif // _ENABLE_DYNAMIC_THUNKS |
