cosmopolitan/tool/build/lib/pml4t.h

26 lines
753 B
C

#ifndef COSMOPOLITAN_TOOL_BUILD_LIB_PML4T_H_
#define COSMOPOLITAN_TOOL_BUILD_LIB_PML4T_H_
#include "tool/build/lib/machine.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
#define IsValidPage(x) ((x)&1)
#define MaskPageAddr(x) ((x)&0x00007ffffffff000)
#define UnmaskPageAddr(x) SignExtendAddr(MaskPageAddr(x))
#define SignExtendAddr(x) ((int64_t)((uint64_t)(x) << 16) >> 16)
struct ContiguousMemoryRanges {
size_t i, n;
struct ContiguousMemoryRange {
int64_t a;
int64_t b;
} * p;
};
void FindContiguousMemoryRanges(struct Machine *,
struct ContiguousMemoryRanges *);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_TOOL_BUILD_LIB_PML4T_H_ */