diff options
Diffstat (limited to 'src/vm/arm64/asmhelpers.S')
| -rw-r--r-- | src/vm/arm64/asmhelpers.S | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/src/vm/arm64/asmhelpers.S b/src/vm/arm64/asmhelpers.S index e138feb402..aa79b4d477 100644 --- a/src/vm/arm64/asmhelpers.S +++ b/src/vm/arm64/asmhelpers.S @@ -767,15 +767,6 @@ LOCAL_LABEL(UMThunkStub_HaveThread): LOCAL_LABEL(UMThunkStub_InCooperativeMode): ldr x12, [fp, #UMThunkStub_HiddenArg] // x12 = UMEntryThunk* - - ldr x0, [x19, #Thread__m_pDomain] - - // m_dwDomainId is 4 bytes so using 32-bit variant - ldr w1, [x12, #UMEntryThunk__m_dwDomainId] - ldr w0, [x0, #AppDomain__m_dwId] - cmp w0, w1 - bne LOCAL_LABEL(UMThunkStub_WrongAppDomain) - ldr x3, [x12, #UMEntryThunk__m_pUMThunkMarshInfo] // x3 = m_pUMThunkMarshInfo // m_cbActualArgSize is UINT32 and hence occupies 4 bytes @@ -846,112 +837,8 @@ LOCAL_LABEL(UMThunkStub_DoTrapReturningThreads): add sp, sp, #SIZEOF__FloatArgumentRegisters b LOCAL_LABEL(UMThunkStub_InCooperativeMode) -LOCAL_LABEL(UMThunkStub_WrongAppDomain): - // Saving FP Args as this is read by UM2MThunk_WrapperHelper - sub sp, sp, #SIZEOF__FloatArgumentRegisters - SAVE_FLOAT_ARGUMENT_REGISTERS sp, 0 - - // UMEntryThunk* pUMEntry - ldr x0, [fp, #UMThunkStub_HiddenArg] - - // void * pArgs - add x2, fp, #16 - - // remaining arguments are unused - bl C_FUNC(UM2MDoADCallBack) - - // restore integral return value - ldp x0, x1, [fp, #16] - - // restore FP or HFA return value - RESTORE_FLOAT_ARGUMENT_REGISTERS sp, 0 - - b LOCAL_LABEL(UMThunkStub_PostCall) - NESTED_END UMThunkStub, _TEXT - -// UM2MThunk_WrapperHelper(void *pThunkArgs, // x0 -// int cbStackArgs, // x1 (unused) -// void *pAddr, // x2 (unused) -// UMEntryThunk *pEntryThunk,// x3 -// Thread *pThread) // x4 - -// pThunkArgs points to the argument registers pushed on the stack by UMThunkStub - -NESTED_ENTRY UM2MThunk_WrapperHelper, _TEXT, NoHandler - - PROLOG_SAVE_REG_PAIR_INDEXED fp, lr, -32 - PROLOG_SAVE_REG x19, 16 - - - // save pThunkArgs in non-volatile reg. It is required after return from call to ILStub - mov x19, x0 - - // ARM64TODO - Is this required by ILStub - mov x12, x3 //// x12 = UMEntryThunk * - - // - // Note that layout of the arguments is given by UMThunkStub frame - // - ldr x3, [x3, #UMEntryThunk__m_pUMThunkMarshInfo] - - // m_cbActualArgSize is 4-byte field - ldr w2, [x3, #UMThunkMarshInfo__m_cbActualArgSize] - cbz w2, LOCAL_LABEL(UM2MThunk_WrapperHelper_RegArgumentsSetup) - - // extend to 64- bits - uxtw x2, w2 - - // Source pointer. Subtracting 16 bytes due to fp & lr - add x6, x0, #(UMThunkStub_StackArgs-16) - - // move source ptr to end of Stack Args - add x6, x6, x2 - - // Count of stack slot pairs to copy (divide by 16) - lsr x1, x2, #4 - - // Is there an extra stack slot? (can happen when stack arg bytes not multiple of 16) - and x2, x2, #8 - - // If yes then start source pointer from 16 byte aligned stack slot - add x6, x6, x2 - - // increment stack slot pair count by 1 if x2 is not zero - add x1, x1, x2, LSR #3 - -LOCAL_LABEL(UM2MThunk_WrapperHelper_StackLoop): - ldp x4, x5, [x6, #-16]! - stp x4, x5, [sp, #-16]! - subs x1, x1, #1 - bne LOCAL_LABEL(UM2MThunk_WrapperHelper_StackLoop) - -LOCAL_LABEL(UM2MThunk_WrapperHelper_RegArgumentsSetup): - ldr x16, [x3, #(UMThunkMarshInfo__m_pILStub)] - - // reload floating point registers - RESTORE_FLOAT_ARGUMENT_REGISTERS x0, -1 * (SIZEOF__FloatArgumentRegisters + 16) - - // reload argument registers - RESTORE_ARGUMENT_REGISTERS x0, 0 - - blr x16 - - // save integral return value - stp x0, x1, [x19] - - // save FP/HFA return values - SAVE_FLOAT_ARGUMENT_REGISTERS x19, -1 * (SIZEOF__FloatArgumentRegisters + 16) - - EPILOG_STACK_RESTORE - EPILOG_RESTORE_REG x19, 16 - EPILOG_RESTORE_REG_PAIR_INDEXED fp, lr, 32 - EPILOG_RETURN - -NESTED_END UM2MThunk_WrapperHelper, _TEXT - - #ifdef FEATURE_HIJACK // ------------------------------------------------------------------ // Hijack function for functions which return a scalar type or a struct (value type) |