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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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28
dll/kernel32/errhandlingapi.cpp
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@@ -14,34 +14,22 @@ UINT g_processErrorMode = 0;
namespace kernel32 {
DWORD getLastError() { return wibo::getThreadTibForHost()->LastErrorValue; }
DWORD getLastError() { return currentThreadTeb->LastErrorValue; }
void setLastError(DWORD error) { wibo::getThreadTibForHost()->LastErrorValue = error; }
void setLastError(DWORD error) { currentThreadTeb->LastErrorValue = error; }
void setLastErrorFromErrno() { setLastError(wibo::winErrorFromErrno(errno)); }
DWORD WINAPI GetLastError() {
#ifndef NDEBUG
{
HOST_CONTEXT_GUARD();
DEBUG_LOG("GetLastError() -> %u\n", getLastError());
}
#endif
// In guest context, fetch via TIB
DWORD err;
__asm__ __volatile__("movl %%fs:%c1, %0" : "=r"(err) : "i"(offsetof(TEB, LastErrorValue)));
return err;
HOST_CONTEXT_GUARD();
DEBUG_LOG("GetLastError() -> %u\n", getLastError());
return currentThreadTeb->LastErrorValue;
}
void WINAPI SetLastError(DWORD dwErrCode) {
#ifndef NDEBUG
{
HOST_CONTEXT_GUARD();
DEBUG_LOG("SetLastError(%u)\n", dwErrCode);
}
#endif
// In guest context, store via TIB
__asm__ __volatile__("movl %0, %%fs:%c1" : : "r"(dwErrCode), "i"(offsetof(TEB, LastErrorValue)) : "memory");
HOST_CONTEXT_GUARD();
DEBUG_LOG("SetLastError(%u)\n", dwErrCode);
currentThreadTeb->LastErrorValue = dwErrCode;
}
void WINAPI RaiseException(DWORD dwExceptionCode, DWORD dwExceptionFlags, DWORD nNumberOfArguments,