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Fix WoW64 detection on ARM64 so we can avoid using the CUI helper application

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@7087 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
anders_k 2019-03-04 22:15:41 +00:00
parent 217f250466
commit 8b652965b1
1 changed files with 30 additions and 13 deletions
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43
Contrib/nsExec/nsexec.c
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@ -82,21 +82,38 @@ BOOL WINAPI DllMain(HINSTANCE hInst, ULONG ul_reason_for_call, LPVOID lpReserved
#define TAB_REPLACE _T(" ")
#define TAB_REPLACE_SIZE (sizeof(TAB_REPLACE)-1)
BOOL IsWOW64() {
typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
BOOL wow64;
LPFN_ISWOW64PROCESS fnIsWow64Process;
fnIsWow64Process = (LPFN_ISWOW64PROCESS) GetProcAddress(
GetModuleHandle(_T("kernel32")), "IsWow64Process");
if (fnIsWow64Process != NULL) {
if (fnIsWow64Process(GetCurrentProcess(), &wow64)) {
return wow64;
static BOOL IsWOW64() {
#ifdef _WIN64
return FALSE;
#else
typedef BOOL (WINAPI*ISWOW64PROCESS)(HANDLE, BOOL*);
ISWOW64PROCESS pfIsWow64Process;
typedef BOOL (WINAPI*ISWOW64PROCESS2)(HANDLE, USHORT*, USHORT*);
ISWOW64PROCESS2 pfIsWow64Process2;
HANDLE hProcess = GetCurrentProcess();
HMODULE hK32 = GetModuleHandleA("KERNEL32");
UINT_PTR retval;
USHORT appmach, image_file_machine_unknown = 0;
CHAR funcnam[16]
#if defined(_MSC_VER) && (_MSC_VER-0 <= 1400)
= "IsWow64Process2"; // MOVSD * 4
#else
; lstrcpyA(funcnam, "IsWow64Process2");
#endif
pfIsWow64Process2 = (ISWOW64PROCESS2) GetProcAddress(hK32, funcnam);
if (pfIsWow64Process2 && pfIsWow64Process2(hProcess, &appmach, NULL)) {
retval = image_file_machine_unknown != appmach;
}
else {
BOOL wow64;
pfIsWow64Process = (ISWOW64PROCESS) GetProcAddress(hK32, (funcnam[14] = '\0', funcnam));
retval = (UINT_PTR) pfIsWow64Process;
if (pfIsWow64Process && (retval = pfIsWow64Process(hProcess, &wow64))) {
retval = wow64;
}
}
return FALSE;
return (BOOL) (UINT) retval;
#endif
}
/**