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https://github.com/reactos/reactos.git
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103 lines
2.5 KiB
ArmAsm
103 lines
2.5 KiB
ArmAsm
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Runtime Library (RTL)
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* FILE: lib/rtl/amd64/except_asm.S
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* PURPOSE: Exception support for AMD64
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* PROGRAMMERS: Timo Kreuzer (timo.kreuzer@reactos.org)
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*/
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/* INCLUDES ******************************************************************/
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#include <asm.inc>
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#include <ksamd64.inc>
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/* FUNCTIONS *****************************************************************/
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.code64
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/*
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* VOID NTAPI
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* RtlCaptureContext(
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* PCONTEXT ContextRecord); <rcx>
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*/
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PUBLIC RtlCaptureContext
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.PROC RtlCaptureContext
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/* Push rflags */
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pushfq
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.ALLOCSTACK 8
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.ENDPROLOG
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/* Save the basic register context */
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mov [rcx + CONTEXT_Rax], rax
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mov [rcx + CONTEXT_Rcx], rcx
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mov [rcx + CONTEXT_Rdx], rdx
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/* Load rflags into rax */
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mov rax, [rsp]
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mov [rcx + CONTEXT_Rbx], rbx
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mov [rcx + CONTEXT_Rsi], rsi
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mov [rcx + CONTEXT_Rdi], rdi
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/* Store rflags */
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mov [rcx + CONTEXT_EFlags], rax
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mov [rcx + CONTEXT_Rbp], rbp
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mov [rcx + CONTEXT_R8], r8
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mov [rcx + CONTEXT_R9], r9
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/* Load former stack pointer in rax */
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lea rax, [rsp + 16]
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mov [rcx + CONTEXT_R10], r10
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mov [rcx + CONTEXT_R11], r11
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mov [rcx + CONTEXT_R12], r12
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/* Store stack pointer */
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mov [rcx + CONTEXT_Rsp], rax
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mov [rcx + CONTEXT_R13], r13
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mov [rcx + CONTEXT_R14], r14
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mov [rcx + CONTEXT_R15], r15
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/* Load return address in rax */
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mov rax, [rsp + 8]
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/* Safe segment selectors */
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mov [rcx + CONTEXT_SegCs], cs
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mov [rcx + CONTEXT_SegDs], ds
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mov [rcx + CONTEXT_SegEs], es
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mov [rcx + CONTEXT_SegFs], fs
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mov [rcx + CONTEXT_SegGs], gs
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mov [rcx + CONTEXT_SegSs], ss
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/* Store return address */
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mov [rcx + CONTEXT_Rip], rax
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/* Safe xmm registers */
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movdqa [rcx + CONTEXT_Xmm0], xmm0
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movdqa [rcx + CONTEXT_Xmm1], xmm1
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movdqa [rcx + CONTEXT_Xmm2], xmm2
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movdqa [rcx + CONTEXT_Xmm3], xmm3
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movdqa [rcx + CONTEXT_Xmm4], xmm4
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movdqa [rcx + CONTEXT_Xmm5], xmm5
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movdqa [rcx + CONTEXT_Xmm6], xmm6
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movdqa [rcx + CONTEXT_Xmm7], xmm7
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movdqa [rcx + CONTEXT_Xmm8], xmm8
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movdqa [rcx + CONTEXT_Xmm9], xmm9
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movdqa [rcx + CONTEXT_Xmm10], xmm10
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movdqa [rcx + CONTEXT_Xmm11], xmm11
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movdqa [rcx + CONTEXT_Xmm12], xmm12
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movdqa [rcx + CONTEXT_Xmm13], xmm13
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movdqa [rcx + CONTEXT_Xmm14], xmm14
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movdqa [rcx + CONTEXT_Xmm15], xmm15
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/* Cleanup stack and return */
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add rsp, 8
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ret
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.ENDP
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END
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