cosmopolitan/libc/linux/mmap.h

21 lines
667 B
C

#ifndef COSMOPOLITAN_LIBC_LINUX_MMAP_H_
#define COSMOPOLITAN_LIBC_LINUX_MMAP_H_
#if !(__ASSEMBLER__ + __LINKER__ + 0)
forceinline long LinuxMmap(void *addr, size_t size, long prot, long flags,
long fd, long off) {
long rc;
register long r10 asm("r10") = flags;
register long r8 asm("r8") = fd;
register long r9 asm("r9") = off;
asm volatile("syscall"
: "=a"(rc)
: "0"(9), "D"(addr), "S"(size), "d"(prot), "r"(r10), "r"(r8),
"r"(r9)
: "rcx", "r11", "memory");
return rc;
}
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_LINUX_MMAP_H_ */