14 lines
477 B
C
14 lines
477 B
C
#ifndef COSMOPOLITAN_TOOL_BUILD_LIB_PML4T_H_
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#define COSMOPOLITAN_TOOL_BUILD_LIB_PML4T_H_
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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#define IsValidPage(x) ((x)&1)
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#define MaskPageAddr(x) ((x)&0x00007ffffffff000)
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#define UnmaskPageAddr(x) SignExtendAddr(MaskPageAddr(x))
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#define SignExtendAddr(x) ((int64_t)((uint64_t)(x) << 16) >> 16)
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_TOOL_BUILD_LIB_PML4T_H_ */
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