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Commit 2328a1d9 authored by Alexandre Julliard's avatar Alexandre Julliard
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ntdll: Convert the ARM64EC context to ARM64 for syscalls.

parent d57c4199
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Showing with 187 additions and 8 deletions
dlls/ntdll/signal_arm64ec.c
View file @ 2328a1d9
......@@ -37,6 +37,50 @@ WINE_DEFAULT_DEBUG_CHANNEL(unwind);
WINE_DECLARE_DEBUG_CHANNEL(relay);
static ULONG ctx_flags_x64_to_arm( ULONG flags )
{
ULONG ret = CONTEXT_ARM64;
flags &= ~CONTEXT_AMD64;
if (flags & CONTEXT_AMD64_CONTROL) ret |= CONTEXT_ARM64_CONTROL;
if (flags & CONTEXT_AMD64_INTEGER) ret |= CONTEXT_ARM64_INTEGER;
if (flags & CONTEXT_AMD64_FLOATING_POINT) ret |= CONTEXT_ARM64_FLOATING_POINT;
return ret;
}
static ULONG ctx_flags_arm_to_x64( ULONG flags )
{
ULONG ret = CONTEXT_AMD64;
flags &= ~CONTEXT_ARM64;
if (flags & CONTEXT_ARM64_CONTROL) ret |= CONTEXT_AMD64_CONTROL;
if (flags & CONTEXT_ARM64_INTEGER) ret |= CONTEXT_AMD64_INTEGER;
if (flags & CONTEXT_ARM64_FLOATING_POINT) ret |= CONTEXT_AMD64_FLOATING_POINT;
return ret;
}
static UINT eflags_to_cpsr( UINT eflags )
{
UINT ret = 0;
if (eflags & 0x0001) ret |= 0x20000000; /* carry */
if (eflags & 0x0040) ret |= 0x40000000; /* zero */
if (eflags & 0x0080) ret |= 0x80000000; /* negative */
if (eflags & 0x0800) ret |= 0x10000000; /* overflow */
return ret;
}
static UINT cpsr_to_eflags( UINT cpsr )
{
UINT ret = 0;
if (cpsr & 0x10000000) ret |= 0x0800; /* overflow */
if (cpsr & 0x20000000) ret |= 0x0001; /* carry */
if (cpsr & 0x40000000) ret |= 0x0040; /* zero */
if (cpsr & 0x80000000) ret |= 0x0080; /* negative */
return ret;
}
static UINT64 mxcsr_to_fpcsr( UINT mxcsr )
{
UINT fpcr = 0, fpsr = 0;
......@@ -85,6 +129,105 @@ static UINT fpcsr_to_mxcsr( UINT fpcr, UINT fpsr )
return ret;
}
static void context_x64_to_arm( ARM64_NT_CONTEXT *arm_ctx, const CONTEXT *ctx )
{
ARM64EC_NT_CONTEXT *ec_ctx = (ARM64EC_NT_CONTEXT *)ctx;
UINT64 fpcsr;
arm_ctx->ContextFlags = ctx_flags_x64_to_arm( ec_ctx->ContextFlags );
arm_ctx->Cpsr = eflags_to_cpsr( ec_ctx->AMD64_EFlags );
arm_ctx->X0 = ec_ctx->X0;
arm_ctx->X1 = ec_ctx->X1;
arm_ctx->X2 = ec_ctx->X2;
arm_ctx->X3 = ec_ctx->X3;
arm_ctx->X4 = ec_ctx->X4;
arm_ctx->X5 = ec_ctx->X5;
arm_ctx->X6 = ec_ctx->X6;
arm_ctx->X7 = ec_ctx->X7;
arm_ctx->X8 = ec_ctx->X8;
arm_ctx->X9 = ec_ctx->X9;
arm_ctx->X10 = ec_ctx->X10;
arm_ctx->X11 = ec_ctx->X11;
arm_ctx->X12 = ec_ctx->X12;
arm_ctx->X13 = 0;
arm_ctx->X14 = 0;
arm_ctx->X15 = ec_ctx->X15;
arm_ctx->X16 = ec_ctx->X16_0 | ((DWORD64)ec_ctx->X16_1 << 16) | ((DWORD64)ec_ctx->X16_2 << 32) | ((DWORD64)ec_ctx->X16_3 << 48);
arm_ctx->X17 = ec_ctx->X17_0 | ((DWORD64)ec_ctx->X17_1 << 16) | ((DWORD64)ec_ctx->X17_2 << 32) | ((DWORD64)ec_ctx->X17_3 << 48);
arm_ctx->X18 = 0;
arm_ctx->X19 = ec_ctx->X19;
arm_ctx->X20 = ec_ctx->X20;
arm_ctx->X21 = ec_ctx->X21;
arm_ctx->X22 = ec_ctx->X22;
arm_ctx->X23 = 0;
arm_ctx->X24 = 0;
arm_ctx->X25 = ec_ctx->X25;
arm_ctx->X26 = ec_ctx->X26;
arm_ctx->X27 = ec_ctx->X27;
arm_ctx->X28 = 0;
arm_ctx->Fp = ec_ctx->Fp;
arm_ctx->Lr = ec_ctx->Lr;
arm_ctx->Sp = ec_ctx->Sp;
arm_ctx->Pc = ec_ctx->Pc;
memcpy( arm_ctx->V, ec_ctx->V, 16 * sizeof(arm_ctx->V[0]) );
memset( arm_ctx->V + 16, 0, sizeof(*arm_ctx) - offsetof( ARM64_NT_CONTEXT, V[16] ));
fpcsr = mxcsr_to_fpcsr( ec_ctx->AMD64_MxCsr );
arm_ctx->Fpcr = fpcsr;
arm_ctx->Fpsr = fpcsr >> 32;
}
static void context_arm_to_x64( CONTEXT *ctx, const ARM64_NT_CONTEXT *arm_ctx )
{
ARM64EC_NT_CONTEXT *ec_ctx = (ARM64EC_NT_CONTEXT *)ctx;
memset( ec_ctx, 0, sizeof(*ec_ctx) );
ec_ctx->ContextFlags = ctx_flags_arm_to_x64( arm_ctx->ContextFlags );
ec_ctx->AMD64_SegCs = 0x33;
ec_ctx->AMD64_SegDs = 0x2b;
ec_ctx->AMD64_SegEs = 0x2b;
ec_ctx->AMD64_SegFs = 0x53;
ec_ctx->AMD64_SegGs = 0x2b;
ec_ctx->AMD64_SegSs = 0x2b;
ec_ctx->AMD64_EFlags = cpsr_to_eflags( arm_ctx->Cpsr );
ec_ctx->AMD64_MxCsr = ec_ctx->AMD64_MxCsr_copy = fpcsr_to_mxcsr( arm_ctx->Fpcr, arm_ctx->Fpsr );
ec_ctx->X8 = arm_ctx->X8;
ec_ctx->X0 = arm_ctx->X0;
ec_ctx->X1 = arm_ctx->X1;
ec_ctx->X27 = arm_ctx->X27;
ec_ctx->Sp = arm_ctx->Sp;
ec_ctx->Fp = arm_ctx->Fp;
ec_ctx->X25 = arm_ctx->X25;
ec_ctx->X26 = arm_ctx->X26;
ec_ctx->X2 = arm_ctx->X2;
ec_ctx->X3 = arm_ctx->X3;
ec_ctx->X4 = arm_ctx->X4;
ec_ctx->X5 = arm_ctx->X5;
ec_ctx->X19 = arm_ctx->X19;
ec_ctx->X20 = arm_ctx->X20;
ec_ctx->X21 = arm_ctx->X21;
ec_ctx->X22 = arm_ctx->X22;
ec_ctx->Pc = arm_ctx->Pc;
ec_ctx->Lr = arm_ctx->Lr;
ec_ctx->X6 = arm_ctx->X6;
ec_ctx->X7 = arm_ctx->X7;
ec_ctx->X9 = arm_ctx->X9;
ec_ctx->X10 = arm_ctx->X10;
ec_ctx->X11 = arm_ctx->X11;
ec_ctx->X12 = arm_ctx->X12;
ec_ctx->X15 = arm_ctx->X15;
ec_ctx->X16_0 = arm_ctx->X16;
ec_ctx->X16_1 = arm_ctx->X16 >> 16;
ec_ctx->X16_2 = arm_ctx->X16 >> 32;
ec_ctx->X16_3 = arm_ctx->X16 >> 48;
ec_ctx->X17_0 = arm_ctx->X17;
ec_ctx->X17_1 = arm_ctx->X17 >> 16;
ec_ctx->X17_2 = arm_ctx->X17 >> 32;
ec_ctx->X17_3 = arm_ctx->X17 >> 48;
memcpy( ec_ctx->V, arm_ctx->V, sizeof(ec_ctx->V) );
}
/*******************************************************************
* syscalls
......@@ -244,11 +387,19 @@ NTSTATUS SYSCALL_API NtConnectPort( HANDLE *handle, UNICODE_STRING *name, SECURI
__ASM_SYSCALL_FUNC( __id_NtConnectPort );
}
NTSTATUS SYSCALL_API NtContinue( CONTEXT *context, BOOLEAN alertable )
static NTSTATUS SYSCALL_API syscall_NtContinue( ARM64_NT_CONTEXT *context, BOOLEAN alertable )
{
__ASM_SYSCALL_FUNC( __id_NtContinue );
}
NTSTATUS WINAPI NtContinue( CONTEXT *context, BOOLEAN alertable )
{
ARM64_NT_CONTEXT arm_ctx;
context_x64_to_arm( &arm_ctx, context );
return syscall_NtContinue( &arm_ctx, alertable );
}
NTSTATUS SYSCALL_API NtCreateDebugObject( HANDLE *handle, ACCESS_MASK access,
OBJECT_ATTRIBUTES *attr, ULONG flags )
{
......@@ -535,11 +686,20 @@ NTSTATUS SYSCALL_API NtFsControlFile( HANDLE handle, HANDLE event, PIO_APC_ROUTI
__ASM_SYSCALL_FUNC( __id_NtFsControlFile );
}
NTSTATUS SYSCALL_API NtGetContextThread( HANDLE handle, CONTEXT *context )
static NTSTATUS SYSCALL_API syscall_NtGetContextThread( HANDLE handle, ARM64_NT_CONTEXT *context )
{
__ASM_SYSCALL_FUNC( __id_NtGetContextThread );
}
NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
{
ARM64_NT_CONTEXT arm_ctx = { .ContextFlags = ctx_flags_x64_to_arm( context->ContextFlags ) };
NTSTATUS status = syscall_NtGetContextThread( handle, &arm_ctx );
if (!status) context_arm_to_x64( context, &arm_ctx );
return status;
}
ULONG SYSCALL_API NtGetCurrentProcessorNumber(void)
{
__ASM_SYSCALL_FUNC( __id_NtGetCurrentProcessorNumber );
......@@ -1019,11 +1179,19 @@ NTSTATUS SYSCALL_API NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR
__ASM_SYSCALL_FUNC( __id_NtQueueApcThread );
}
NTSTATUS SYSCALL_API NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
static NTSTATUS SYSCALL_API syscall_NtRaiseException( EXCEPTION_RECORD *rec, ARM64_NT_CONTEXT *context, BOOL first_chance )
{
__ASM_SYSCALL_FUNC( __id_NtRaiseException );
}
NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
{
ARM64_NT_CONTEXT arm_ctx;
context_x64_to_arm( &arm_ctx, context );
return syscall_NtRaiseException( rec, &arm_ctx, first_chance );
}
NTSTATUS SYSCALL_API NtRaiseHardError( NTSTATUS status, ULONG count, UNICODE_STRING *params_mask,
void **params, HARDERROR_RESPONSE_OPTION option,
HARDERROR_RESPONSE *response )
......@@ -1153,11 +1321,19 @@ NTSTATUS SYSCALL_API NtSecureConnectPort( HANDLE *handle, UNICODE_STRING *name,
__ASM_SYSCALL_FUNC( __id_NtSecureConnectPort );
}
NTSTATUS SYSCALL_API NtSetContextThread( HANDLE handle, const CONTEXT *context )
static NTSTATUS SYSCALL_API syscall_NtSetContextThread( HANDLE handle, const ARM64_NT_CONTEXT *context )
{
__ASM_SYSCALL_FUNC( __id_NtSetContextThread );
}
NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
{
ARM64_NT_CONTEXT arm_ctx;
context_x64_to_arm( &arm_ctx, context );
return syscall_NtSetContextThread( handle, &arm_ctx );
}
NTSTATUS SYSCALL_API NtSetDebugFilterState( ULONG component_id, ULONG level, BOOLEAN state )
{
__ASM_SYSCALL_FUNC( __id_NtSetDebugFilterState );
......@@ -1765,8 +1941,10 @@ void WINAPI RtlUserThreadStart( PRTL_THREAD_START_ROUTINE entry, void *arg )
/******************************************************************
* LdrInitializeThunk (NTDLL.@)
*/
void WINAPI LdrInitializeThunk( CONTEXT *context, ULONG_PTR unk2, ULONG_PTR unk3, ULONG_PTR unk4 )
void WINAPI LdrInitializeThunk( CONTEXT *arm_context, ULONG_PTR unk2, ULONG_PTR unk3, ULONG_PTR unk4 )
{
CONTEXT context;
if (!__os_arm64x_check_call)
{
__os_arm64x_check_call = arm64x_check_call;
......@@ -1776,9 +1954,10 @@ void WINAPI LdrInitializeThunk( CONTEXT *context, ULONG_PTR unk2, ULONG_PTR unk3
__os_arm64x_set_x64_information = LdrpSetX64Information;
}
loader_init( context, (void **)&context->Rcx );
TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", (void *)context->Rcx, (void *)context->Rdx );
NtContinue( context, TRUE );
context_arm_to_x64( &context, (ARM64_NT_CONTEXT *)arm_context );
loader_init( &context, (void **)&context.Rcx );
TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", (void *)context.Rcx, (void *)context.Rdx );
NtContinue( &context, TRUE );
}
......
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