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Commit 881defc4 authored by Alexandre Julliard's avatar Alexandre Julliard
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ntdll: Implement getting/setting the WoW context on ARM64.

parent ecb80c6e
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Showing with 209 additions and 4 deletions
dlls/ntdll/unix/signal_arm64.c
View file @ 881defc4
......@@ -690,8 +690,9 @@ NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
*/
NTSTATUS set_thread_wow64_context( HANDLE handle, const void *ctx, ULONG size )
{
BOOL self;
BOOL self = (handle == GetCurrentThread());
USHORT machine;
void *frame;
switch (size)
{
......@@ -699,7 +700,112 @@ NTSTATUS set_thread_wow64_context( HANDLE handle, const void *ctx, ULONG size )
case sizeof(ARM_CONTEXT): machine = IMAGE_FILE_MACHINE_ARMNT; break;
default: return STATUS_INFO_LENGTH_MISMATCH;
}
return set_thread_context( handle, ctx, &self, machine );
if (!self)
{
NTSTATUS ret = set_thread_context( handle, ctx, &self, machine );
if (ret || !self) return ret;
}
if (!(frame = get_cpu_area( machine ))) return STATUS_INVALID_PARAMETER;
switch (machine)
{
case IMAGE_FILE_MACHINE_I386:
{
I386_CONTEXT *wow_frame = frame;
const I386_CONTEXT *context = ctx;
DWORD flags = context->ContextFlags & ~CONTEXT_i386;
if (flags & CONTEXT_I386_INTEGER)
{
wow_frame->Eax = context->Eax;
wow_frame->Ebx = context->Ebx;
wow_frame->Ecx = context->Ecx;
wow_frame->Edx = context->Edx;
wow_frame->Esi = context->Esi;
wow_frame->Edi = context->Edi;
}
if (flags & CONTEXT_I386_CONTROL)
{
WOW64_CPURESERVED *cpu = NtCurrentTeb()->TlsSlots[WOW64_TLS_CPURESERVED];
wow_frame->Esp = context->Esp;
wow_frame->Ebp = context->Ebp;
wow_frame->Eip = context->Eip;
wow_frame->EFlags = context->EFlags;
wow_frame->SegCs = context->SegCs;
wow_frame->SegSs = context->SegSs;
cpu->Flags |= WOW64_CPURESERVED_FLAG_RESET_STATE;
}
if (flags & CONTEXT_I386_SEGMENTS)
{
wow_frame->SegDs = context->SegDs;
wow_frame->SegEs = context->SegEs;
wow_frame->SegFs = context->SegFs;
wow_frame->SegGs = context->SegGs;
}
if (flags & CONTEXT_I386_DEBUG_REGISTERS)
{
wow_frame->Dr0 = context->Dr0;
wow_frame->Dr1 = context->Dr1;
wow_frame->Dr2 = context->Dr2;
wow_frame->Dr3 = context->Dr3;
wow_frame->Dr6 = context->Dr6;
wow_frame->Dr7 = context->Dr7;
}
if (flags & CONTEXT_I386_EXTENDED_REGISTERS)
{
memcpy( &wow_frame->ExtendedRegisters, context->ExtendedRegisters, sizeof(context->ExtendedRegisters) );
}
if (flags & CONTEXT_I386_FLOATING_POINT)
{
memcpy( &wow_frame->FloatSave, &context->FloatSave, sizeof(context->FloatSave) );
}
/* FIXME: CONTEXT_I386_XSTATE */
break;
}
case IMAGE_FILE_MACHINE_ARMNT:
{
ARM_CONTEXT *wow_frame = frame;
const ARM_CONTEXT *context = ctx;
DWORD flags = context->ContextFlags & ~CONTEXT_ARM;
if (flags & CONTEXT_INTEGER)
{
wow_frame->R0 = context->R0;
wow_frame->R1 = context->R1;
wow_frame->R2 = context->R2;
wow_frame->R3 = context->R3;
wow_frame->R4 = context->R4;
wow_frame->R5 = context->R5;
wow_frame->R6 = context->R6;
wow_frame->R7 = context->R7;
wow_frame->R8 = context->R8;
wow_frame->R9 = context->R9;
wow_frame->R10 = context->R10;
wow_frame->R11 = context->R11;
wow_frame->R12 = context->R12;
}
if (flags & CONTEXT_CONTROL)
{
wow_frame->Sp = context->Sp;
wow_frame->Lr = context->Lr;
wow_frame->Pc = context->Pc & ~1;
wow_frame->Cpsr = context->Cpsr;
if (context->Cpsr & 0x20) wow_frame->Pc |= 1; /* thumb */
}
if (flags & CONTEXT_FLOATING_POINT)
{
wow_frame->Fpscr = context->Fpscr;
memcpy( wow_frame->u.D, context->u.D, sizeof(context->u.D) );
}
break;
}
}
return STATUS_SUCCESS;
}
......@@ -708,8 +814,9 @@ NTSTATUS set_thread_wow64_context( HANDLE handle, const void *ctx, ULONG size )
*/
NTSTATUS get_thread_wow64_context( HANDLE handle, void *ctx, ULONG size )
{
BOOL self;
BOOL self = (handle == GetCurrentThread());
USHORT machine;
void *frame;
switch (size)
{
......@@ -717,7 +824,105 @@ NTSTATUS get_thread_wow64_context( HANDLE handle, void *ctx, ULONG size )
case sizeof(ARM_CONTEXT): machine = IMAGE_FILE_MACHINE_ARMNT; break;
default: return STATUS_INFO_LENGTH_MISMATCH;
}
return get_thread_context( handle, ctx, &self, machine );
if (!self)
{
NTSTATUS ret = get_thread_context( handle, ctx, &self, machine );
if (ret || !self) return ret;
}
if (!(frame = get_cpu_area( machine ))) return STATUS_INVALID_PARAMETER;
switch (machine)
{
case IMAGE_FILE_MACHINE_I386:
{
I386_CONTEXT *wow_frame = frame, *context = ctx;
DWORD needed_flags = context->ContextFlags & ~CONTEXT_i386;
if (needed_flags & CONTEXT_I386_INTEGER)
{
context->Eax = wow_frame->Eax;
context->Ebx = wow_frame->Ebx;
context->Ecx = wow_frame->Ecx;
context->Edx = wow_frame->Edx;
context->Esi = wow_frame->Esi;
context->Edi = wow_frame->Edi;
context->ContextFlags |= CONTEXT_I386_INTEGER;
}
if (needed_flags & CONTEXT_I386_CONTROL)
{
context->Esp = wow_frame->Esp;
context->Ebp = wow_frame->Ebp;
context->Eip = wow_frame->Eip;
context->EFlags = wow_frame->EFlags;
context->SegCs = wow_frame->SegCs;
context->SegSs = wow_frame->SegSs;
context->ContextFlags |= CONTEXT_I386_CONTROL;
}
if (needed_flags & CONTEXT_I386_SEGMENTS)
{
context->SegDs = wow_frame->SegDs;
context->SegEs = wow_frame->SegEs;
context->SegFs = wow_frame->SegFs;
context->SegGs = wow_frame->SegGs;
context->ContextFlags |= CONTEXT_I386_SEGMENTS;
}
if (needed_flags & CONTEXT_I386_EXTENDED_REGISTERS)
{
memcpy( context->ExtendedRegisters, &wow_frame->ExtendedRegisters, sizeof(context->ExtendedRegisters) );
context->ContextFlags |= CONTEXT_I386_EXTENDED_REGISTERS;
}
if (needed_flags & CONTEXT_I386_FLOATING_POINT)
{
memcpy( &context->FloatSave, &wow_frame->FloatSave, sizeof(context->FloatSave) );
context->ContextFlags |= CONTEXT_I386_FLOATING_POINT;
}
/* FIXME: CONTEXT_I386_XSTATE */
break;
}
case IMAGE_FILE_MACHINE_ARMNT:
{
ARM_CONTEXT *wow_frame = frame, *context = ctx;
DWORD needed_flags = context->ContextFlags & ~CONTEXT_ARM;
if (needed_flags & CONTEXT_INTEGER)
{
context->R0 = wow_frame->R0;
context->R1 = wow_frame->R1;
context->R2 = wow_frame->R2;
context->R3 = wow_frame->R3;
context->R4 = wow_frame->R4;
context->R5 = wow_frame->R5;
context->R6 = wow_frame->R6;
context->R7 = wow_frame->R7;
context->R8 = wow_frame->R8;
context->R9 = wow_frame->R9;
context->R10 = wow_frame->R10;
context->R11 = wow_frame->R11;
context->R12 = wow_frame->R12;
context->ContextFlags |= CONTEXT_INTEGER;
}
if (needed_flags & CONTEXT_CONTROL)
{
context->Sp = wow_frame->Sp;
context->Lr = wow_frame->Lr;
context->Pc = wow_frame->Pc;
context->Cpsr = wow_frame->Cpsr;
context->ContextFlags |= CONTEXT_CONTROL;
}
if (needed_flags & CONTEXT_FLOATING_POINT)
{
context->Fpscr = wow_frame->Fpscr;
memcpy( context->u.D, wow_frame->u.D, sizeof(wow_frame->u.D) );
context->ContextFlags |= CONTEXT_FLOATING_POINT;
}
break;
}
}
return STATUS_SUCCESS;
}
......
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