69 lines
1.6 KiB
NASM
69 lines
1.6 KiB
NASM
;;===-- X86CompilationCallback_Win64.asm - Implement Win64 JIT callback ---===
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;;
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;; The LLVM Compiler Infrastructure
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;;
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;; This file is distributed under the University of Illinois Open Source
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;; License. See LICENSE.TXT for details.
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;;
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;;===----------------------------------------------------------------------===
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;;
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;; This file implements the JIT interfaces for the X86 target.
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;;
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;;===----------------------------------------------------------------------===
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extrn LLVMX86CompilationCallback2: PROC
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.code
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X86CompilationCallback proc
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push rbp
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; Save RSP.
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mov rbp, rsp
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; Save all int arg registers
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; WARNING: We cannot use register spill area - we're generating stubs by hands!
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push rcx
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push rdx
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push r8
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push r9
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; Align stack on 16-byte boundary.
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and rsp, -16
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; Save all XMM arg registers. Also allocate reg spill area.
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sub rsp, 96
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movaps [rsp +32], xmm0
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movaps [rsp+16+32], xmm1
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movaps [rsp+32+32], xmm2
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movaps [rsp+48+32], xmm3
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; JIT callee
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; Pass prev frame and return address.
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mov rcx, rbp
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mov rdx, qword ptr [rbp+8]
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call LLVMX86CompilationCallback2
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; Restore all XMM arg registers.
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movaps xmm3, [rsp+48+32]
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movaps xmm2, [rsp+32+32]
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movaps xmm1, [rsp+16+32]
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movaps xmm0, [rsp +32]
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; Restore RSP.
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mov rsp, rbp
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; Restore all int arg registers
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sub rsp, 32
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pop r9
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pop r8
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pop rdx
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pop rcx
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; Restore RBP.
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pop rbp
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ret
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X86CompilationCallback endp
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End
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