mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-02-01 03:53:33 +00:00
20 lines
571 B
C
20 lines
571 B
C
|
#ifndef COSMOPOLITAN_LIBC_CALLS_ASAN_INTERNAL_H_
|
||
|
#define COSMOPOLITAN_LIBC_CALLS_ASAN_INTERNAL_H_
|
||
|
#include "libc/bits/asmflag.h"
|
||
|
#include "libc/calls/struct/timespec.h"
|
||
|
#if !(__ASSEMBLER__ + __LINKER__ + 0)
|
||
|
COSMOPOLITAN_C_START_
|
||
|
|
||
|
forceinline bool __asan_is_valid_timespec(const struct timespec *ts) {
|
||
|
bool zf;
|
||
|
asm(ZFLAG_ASM("cmpw\t$0,0x7fff8000(%1)")
|
||
|
: ZFLAG_CONSTRAINT(zf)
|
||
|
: "r"((intptr_t)ts >> 3)
|
||
|
: "memory");
|
||
|
return zf;
|
||
|
}
|
||
|
|
||
|
COSMOPOLITAN_C_END_
|
||
|
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
|
||
|
#endif /* COSMOPOLITAN_LIBC_CALLS_ASAN_INTERNAL_H_ */
|