reactos/lib/rtl/amd64/stubs.c
Amine Khaldi 527f2f9057 [SHELL/EXPERIMENTS]
* Create a branch for some evul shell experiments.

svn path=/branches/shell-experiments/; revision=61927
2014-02-02 19:37:27 +00:00

117 lines
2.9 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Run-Time Library
* PURPOSE: AMD64 stubs
* FILE: lib/rtl/amd64/stubs.c
* PROGRAMMERS: Stefan Ginsberg (stefan.ginsberg@reactos.org)
*/
/* INCLUDES *****************************************************************/
#include <rtl.h>
#define NDEBUG
#include <debug.h>
#include "amd64/ketypes.h"
/* PUBLIC FUNCTIONS **********************************************************/
/*
* @unimplemented
*/
VOID
NTAPI
RtlInitializeContext(IN HANDLE ProcessHandle,
OUT PCONTEXT ThreadContext,
IN PVOID ThreadStartParam OPTIONAL,
IN PTHREAD_START_ROUTINE ThreadStartAddress,
IN PINITIAL_TEB StackBase)
{
ThreadContext->Rax = 0;
ThreadContext->Rbx = 0;
ThreadContext->Rcx = (ULONG64)ThreadStartParam;
ThreadContext->Rdx = 0;
ThreadContext->Rsi = 0;
ThreadContext->Rdi = 0;
ThreadContext->Rbp = 0;
ThreadContext->R8 = 0;
ThreadContext->R9 = 0;
ThreadContext->R10 = 0;
ThreadContext->R11 = 0;
ThreadContext->R12 = 0;
/* Set the Selectors */
if ((LONG64)ThreadStartAddress < 0)
{
/* Initialize kernel mode segments */
ThreadContext->SegCs = KGDT64_R0_CODE;
ThreadContext->SegDs = KGDT64_R3_DATA;
ThreadContext->SegEs = KGDT64_R3_DATA;
ThreadContext->SegFs = KGDT64_R3_CMTEB;
ThreadContext->SegGs = KGDT64_R3_DATA;
ThreadContext->SegSs = KGDT64_R0_DATA;
}
else
{
/* Initialize user mode segments */
ThreadContext->SegCs = KGDT64_R3_CODE | RPL_MASK;
ThreadContext->SegDs = KGDT64_R3_DATA | RPL_MASK;
ThreadContext->SegEs = KGDT64_R3_DATA | RPL_MASK;
ThreadContext->SegFs = KGDT64_R3_CMTEB | RPL_MASK;
ThreadContext->SegGs = KGDT64_R3_DATA | RPL_MASK;
ThreadContext->SegSs = KGDT64_R3_DATA | RPL_MASK;
}
/* Enable Interrupts */
ThreadContext->EFlags = EFLAGS_INTERRUPT_MASK;
/* Settings passed */
ThreadContext->Rip = (ULONG64)ThreadStartAddress;
ThreadContext->Rsp = (ULONG64)StackBase - 6 * sizeof(PVOID);
/* Align stack by 16 and substract 8 (unaligned on function entry) */
ThreadContext->Rsp &= ~15;
ThreadContext->Rsp -= 8;
/* Only the basic Context is initialized */
ThreadContext->ContextFlags = CONTEXT_CONTROL |
CONTEXT_INTEGER |
CONTEXT_SEGMENTS;
return;
}
/*
* @unimplemented
*/
PVOID
NTAPI
RtlpGetExceptionAddress(VOID)
{
UNIMPLEMENTED;
return NULL;
}
/*
* @unimplemented
*/
BOOLEAN
NTAPI
RtlDispatchException(IN PEXCEPTION_RECORD ExceptionRecord,
IN PCONTEXT Context)
{
UNIMPLEMENTED;
return FALSE;
}
NTSYSAPI
VOID
RtlRestoreContext(
PCONTEXT ContextRecord,
PEXCEPTION_RECORD ExceptionRecord)
{
UNIMPLEMENTED;
}