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Fully functional guest<->host trampolines

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This commit is contained in:
Luke Street
2025-10-31 00:45:32 -06:00
parent 55a62a27c9
commit 52cdd7c811
56 changed files with 1683 additions and 1488 deletions
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53
dll/kernel32/processthreadsapi.cpp
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@@ -6,6 +6,8 @@
#include "files.h"
#include "handles.h"
#include "internal.h"
#include "kernel32.h"
#include "kernel32_trampolines.h"
#include "modules.h"
#include "processes.h"
#include "strutil.h"
@@ -107,7 +109,7 @@ void threadCleanup(void *param) {
}
g_currentThreadObject = nullptr;
wibo::notifyDllThreadDetach();
wibo::setThreadTibForHost(nullptr);
currentThreadTeb = nullptr;
// TODO: mark mutexes owned by this thread as abandoned
obj->cv.notify_all();
obj->notifyWaiters(false);
@@ -124,26 +126,12 @@ void *threadTrampoline(void *param) {
g_currentThreadObject = data.obj;
// Install TIB
TEB *threadTib = nullptr;
uint16_t previousFs = 0;
uint16_t previousGs = 0;
if (wibo::tibSelector) {
asm volatile("mov %%fs, %0" : "=r"(previousFs));
asm volatile("mov %%gs, %0" : "=r"(previousGs));
threadTib = wibo::allocateTib();
if (threadTib) {
wibo::initializeTibStackInfo(threadTib);
if (wibo::installTibForCurrentThread(threadTib)) {
threadTib->hostFsSelector = previousFs;
threadTib->hostGsSelector = previousGs;
threadTib->hostSegmentsValid = 1;
wibo::setThreadTibForHost(threadTib);
} else {
fprintf(stderr, "!!! Failed to install TIB for new thread\n");
wibo::destroyTib(threadTib);
threadTib = nullptr;
}
}
TEB *threadTib = wibo::allocateTib();
wibo::initializeTibStackInfo(threadTib);
if (!wibo::installTibForCurrentThread(threadTib)) {
fprintf(stderr, "!!! Failed to install TIB for new thread\n");
wibo::destroyTib(threadTib);
threadTib = nullptr;
}
// Wait until resumed (if suspended at start)
@@ -161,7 +149,7 @@ void *threadTrampoline(void *param) {
DWORD result = 0;
if (data.entry) {
GUEST_CONTEXT_GUARD(threadTib);
result = data.entry(data.userData);
result = call_LPTHREAD_START_ROUTINE(data.entry, data.userData);
}
DEBUG_LOG("Thread exiting with code %u\n", result);
{
@@ -220,8 +208,7 @@ HANDLE WINAPI GetCurrentThread() {
return pseudoHandle;
}
BOOL WINAPI GetProcessAffinityMask(HANDLE hProcess, PDWORD_PTR lpProcessAffinityMask,
PDWORD_PTR lpSystemAffinityMask) {
BOOL WINAPI GetProcessAffinityMask(HANDLE hProcess, PDWORD_PTR lpProcessAffinityMask, PDWORD_PTR lpSystemAffinityMask) {
HOST_CONTEXT_GUARD();
DEBUG_LOG("GetProcessAffinityMask(%p, %p, %p)\n", hProcess, lpProcessAffinityMask, lpSystemAffinityMask);
if (!lpProcessAffinityMask || !lpSystemAffinityMask) {
@@ -465,8 +452,8 @@ HRESULT WINAPI SetThreadDescription(HANDLE hThread, LPCWSTR lpThreadDescription)
}
HANDLE WINAPI CreateThread(LPSECURITY_ATTRIBUTES lpThreadAttributes, SIZE_T dwStackSize,
LPTHREAD_START_ROUTINE lpStartAddress, LPVOID lpParameter, DWORD dwCreationFlags,
LPDWORD lpThreadId) {
LPTHREAD_START_ROUTINE lpStartAddress, LPVOID lpParameter, DWORD dwCreationFlags,
LPDWORD lpThreadId) {
HOST_CONTEXT_GUARD();
DEBUG_LOG("CreateThread(%p, %zu, %p, %p, %u, %p)\n", lpThreadAttributes, dwStackSize, lpStartAddress, lpParameter,
dwCreationFlags, lpThreadId);
@@ -574,7 +561,7 @@ DWORD WINAPI GetPriorityClass(HANDLE hProcess) {
}
BOOL WINAPI GetThreadTimes(HANDLE hThread, FILETIME *lpCreationTime, FILETIME *lpExitTime, FILETIME *lpKernelTime,
FILETIME *lpUserTime) {
FILETIME *lpUserTime) {
HOST_CONTEXT_GUARD();
DEBUG_LOG("GetThreadTimes(%p, %p, %p, %p, %p)\n", hThread, lpCreationTime, lpExitTime, lpKernelTime, lpUserTime);
@@ -618,9 +605,9 @@ BOOL WINAPI GetThreadTimes(HANDLE hThread, FILETIME *lpCreationTime, FILETIME *l
}
BOOL WINAPI CreateProcessA(LPCSTR lpApplicationName, LPSTR lpCommandLine, LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags,
LPVOID lpEnvironment, LPCSTR lpCurrentDirectory, LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation) {
LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags,
LPVOID lpEnvironment, LPCSTR lpCurrentDirectory, LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation) {
HOST_CONTEXT_GUARD();
DEBUG_LOG("CreateProcessA %s \"%s\" %p %p %d 0x%x %p %s %p %p\n", lpApplicationName ? lpApplicationName : "<null>",
lpCommandLine ? lpCommandLine : "<null>", lpProcessAttributes, lpThreadAttributes, bInheritHandles,
@@ -672,9 +659,9 @@ BOOL WINAPI CreateProcessA(LPCSTR lpApplicationName, LPSTR lpCommandLine, LPSECU
}
BOOL WINAPI CreateProcessW(LPCWSTR lpApplicationName, LPWSTR lpCommandLine, LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags,
LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory, LPSTARTUPINFOW lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation) {
LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags,
LPVOID lpEnvironment, LPCWSTR lpCurrentDirectory, LPSTARTUPINFOW lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation) {
HOST_CONTEXT_GUARD();
std::string applicationUtf8;
if (lpApplicationName) {