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src: pefile: add checkMachine()

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This commit is contained in:
Markus F.X.J. Oberhumer
2023-02-21 20:33:40 +01:00
parent e1edc5f50a
commit 3d691645a4
7 changed files with 44 additions and 6 deletions
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src/pefile.cpp
+28
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@@ -117,6 +117,34 @@ bool PeFile::testUnpackVersion(int version) const {
// util
**************************************************************************/
// early check of machine to generate a helpful error message
// FIXME/TODO: proper check for ARM64EC
// FIXME/TODO: proper check for ARM64X "universal" binary
// CHPE Compiled Hybrid PE: Microsoft internal only?
// CHPEV2 Compiled Hybrid PE: ARM64EC, ARM64X
/*static*/ int PeFile::checkMachine(unsigned cpu) {
// known but not supported
if (cpu == IMAGE_FILE_MACHINE_ARMNT)
throwCantPack("win32/arm32 is not supported"); // obsolete
if (cpu == IMAGE_FILE_MACHINE_ARM64)
throwCantPack("win64/arm64 is not supported");
// FIXME: it seems that arm64ec actually uses MACHINE_AMD64 ???
if (cpu == IMAGE_FILE_MACHINE_ARM64EC)
throwCantPack("win64/arm64ec is not supported");
// supported
if (cpu == IMAGE_FILE_MACHINE_AMD64)
return UPX_F_W64PE_AMD64;
if (cpu == IMAGE_FILE_MACHINE_ARM || cpu == IMAGE_FILE_MACHINE_THUMB)
return UPX_F_WINCE_ARM;
if (cpu >= IMAGE_FILE_MACHINE_I386 && cpu <= 0x150) // what is this 0x150 ???
return UPX_F_W32PE_I386;
// other or unkown (alpha, mips, etc.)
throwCantPack("pefile: unsupported machine %#x", cpu);
return 0; // pacify msvc
}
int PeFile::readFileHeader() {
struct alignas(1) exe_header_t {
LE16 mz;