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ea28951607
This is intentionally not part of ntdll_apitest, because that links to advapi32, which links to rpcrt4, which (wrongly!) links to ws2_32, which (wrongly!) links to user32, which breaks the test.
85 lines
1.6 KiB
ArmAsm
85 lines
1.6 KiB
ArmAsm
/*
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* PROJECT: ReactOS API Tests
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* LICENSE: LGPL-2.0-or-later (https://spdx.org/licenses/LGPL-2.0-or-later)
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* PURPOSE: x86 ASM helper functions for syscall tests
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* COPYRIGHT: Copyright 2024 Timo Kreuzer <timo.kreuzer@reactos.org>
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*/
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#include <asm.inc>
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#include <ks386.inc>
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.code
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#define STACK_ARGUMENT_SPACE 16*4
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EXTERN _RtlCaptureContext@4:PROC
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DoSyscall:
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mov edx, esp
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sysenter
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ret
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/*
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* VOID
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* DoSyscallAndCaptureContext(
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* _In_ ULONG64 SyscallNumber,
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* _Out_ PCONTEXT PreContext,
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* _Out_ PCONTEXT PostContext);
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*/
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PUBLIC _DoSyscallAndCaptureContext
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.PROC _DoSyscallAndCaptureContext
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push ebp
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mov ebp, esp
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/* Allocate enough space for the system call handler */
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sub esp, STACK_ARGUMENT_SPACE
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/* Save the pre-context */
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push [ebp + 12]
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call _RtlCaptureContext@4
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/* Do the system call */
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mov eax, [ebp + 8]
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Call DoSyscall
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/* Save eax */
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push eax
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/* Save the post-context */
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push dword ptr [ebp + 16]
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call _RtlCaptureContext@4
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/* Restore eax and save it in the context */
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pop eax
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mov ecx, [ebp + 16]
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mov [ecx + CsEax], eax
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mov esp, ebp
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pop ebp
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ret
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.ENDP
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/*
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* ULONG64
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* DoSyscallWithUnalignedStack(
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* _In_ ULONG64 SyscallNumber);
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*/
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PUBLIC _DoSyscallWithUnalignedStack
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.PROC _DoSyscallWithUnalignedStack
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push ebp
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mov ebp, esp
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/* Allocate enough space for the system call handler */
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sub esp, STACK_ARGUMENT_SPACE
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/* Do the sysenter */
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mov eax, [ebp + 8]
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sysenter
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mov esp, ebp
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pop ebp
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ret
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.ENDP
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END
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