Initial import

libc/pe.h

@@ -0,0 +1,28 @@
+#ifndef COSMOPOLITAN_LIBC_PE_H_
+#define COSMOPOLITAN_LIBC_PE_H_
+#include "libc/dce.h"
+#include "libc/nt/pedef.h"
+#include "libc/nt/struct/imagedosheader.h"
+#include "libc/runtime/runtime.h"
+#if !(__ASSEMBLER__ + __LINKER__ + 0)
+COSMOPOLITAN_C_START_
+
+forceinline void *pecheckaddress(struct NtImageDosHeader *mz, size_t mzsize,
+                                 void *addr, uint32_t addrsize) {
+#if !(TRUSTWORTHY + PE_TRUSTWORTHY + 0)
+  if ((intptr_t)addr < (intptr_t)mz ||
+      (intptr_t)addr + addrsize > (intptr_t)mz + mzsize) {
+    abort();
+  }
+#endif
+  return addr;
+}
+
+forceinline void *pecomputerva(struct NtImageDosHeader *mz, size_t mzsize,
+                               uint32_t reladdr, uint32_t addrsize) {
+  return pecheckaddress(mz, mzsize, (void *)((intptr_t)mz + reladdr), addrsize);
+}
+
+COSMOPOLITAN_C_END_
+#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
+#endif /* COSMOPOLITAN_LIBC_PE_H_ */