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Save/restore fs/gs segments when re-entering host code

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This commit is contained in:
Luke Street
2025-10-05 13:58:40 -06:00
parent 04516b246c
commit cd7baffc5e
44 changed files with 669 additions and 20 deletions
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12
dll/kernel32/processenv.cpp
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@@ -41,28 +41,33 @@ std::string convertEnvValueToHost(const std::string &name, const char *rawValue)
namespace kernel32 {
LPSTR WIN_FUNC GetCommandLineA() {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetCommandLineA() -> %s\n", wibo::commandLine.c_str());
wibo::lastError = ERROR_SUCCESS;
return const_cast<LPSTR>(wibo::commandLine.c_str());
}
LPWSTR WIN_FUNC GetCommandLineW() {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetCommandLineW() -> %s\n", wideStringToString(wibo::commandLineW.data()).c_str());
wibo::lastError = ERROR_SUCCESS;
return wibo::commandLineW.data();
}
HANDLE WIN_FUNC GetStdHandle(DWORD nStdHandle) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetStdHandle(%d)\n", nStdHandle);
return files::getStdHandle(nStdHandle);
}
BOOL WIN_FUNC SetStdHandle(DWORD nStdHandle, HANDLE hHandle) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("SetStdHandle(%d, %p)\n", nStdHandle, hHandle);
return files::setStdHandle(nStdHandle, hHandle);
}
LPCH WIN_FUNC GetEnvironmentStrings() {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetEnvironmentStrings()\n");
size_t bufSize = 0;
@@ -96,6 +101,7 @@ LPCH WIN_FUNC GetEnvironmentStrings() {
}
LPWCH WIN_FUNC GetEnvironmentStringsW() {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetEnvironmentStringsW()\n");
size_t bufSizeW = 0;
@@ -131,6 +137,7 @@ LPWCH WIN_FUNC GetEnvironmentStringsW() {
}
BOOL WIN_FUNC FreeEnvironmentStringsA(LPCH penv) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("FreeEnvironmentStringsA(%p)\n", penv);
if (!penv) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -142,6 +149,7 @@ BOOL WIN_FUNC FreeEnvironmentStringsA(LPCH penv) {
}
BOOL WIN_FUNC FreeEnvironmentStringsW(LPWCH penv) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("FreeEnvironmentStringsW(%p)\n", penv);
if (!penv) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -153,6 +161,7 @@ BOOL WIN_FUNC FreeEnvironmentStringsW(LPWCH penv) {
}
DWORD WIN_FUNC GetEnvironmentVariableA(LPCSTR lpName, LPSTR lpBuffer, DWORD nSize) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("GetEnvironmentVariableA(%s, %p, %u)\n", lpName ? lpName : "(null)", lpBuffer, nSize);
if (!lpName) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -184,6 +193,7 @@ DWORD WIN_FUNC GetEnvironmentVariableA(LPCSTR lpName, LPSTR lpBuffer, DWORD nSiz
}
DWORD WIN_FUNC GetEnvironmentVariableW(LPCWSTR lpName, LPWSTR lpBuffer, DWORD nSize) {
WIN_API_SEGMENT_GUARD();
std::string name = lpName ? wideStringToString(lpName) : std::string();
DEBUG_LOG("GetEnvironmentVariableW(%s, %p, %u)\n", name.c_str(), lpBuffer, nSize);
if (name.empty()) {
@@ -217,6 +227,7 @@ DWORD WIN_FUNC GetEnvironmentVariableW(LPCWSTR lpName, LPWSTR lpBuffer, DWORD nS
}
BOOL WIN_FUNC SetEnvironmentVariableA(LPCSTR lpName, LPCSTR lpValue) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("SetEnvironmentVariableA(%s, %s)\n", lpName ? lpName : "(null)", lpValue ? lpValue : "(null)");
if (!lpName || std::strchr(lpName, '=')) {
wibo::lastError = ERROR_INVALID_PARAMETER;
@@ -244,6 +255,7 @@ BOOL WIN_FUNC SetEnvironmentVariableA(LPCSTR lpName, LPCSTR lpValue) {
}
BOOL WIN_FUNC SetEnvironmentVariableW(LPCWSTR lpName, LPCWSTR lpValue) {
WIN_API_SEGMENT_GUARD();
DEBUG_LOG("SetEnvironmentVariableW -> ");
if (!lpName) {
wibo::lastError = ERROR_INVALID_PARAMETER;