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Perform some code cleanup

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Justine Tunney 2023-05-28 19:42:00 -07:00
parent 992a4638ae
commit 72f8bd10b7
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GPG key ID: BE714B4575D6E328
8 changed files with 55 additions and 265 deletions
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19
libc/calls/umask.c
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@ -17,28 +17,11 @@
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/calls/syscall-sysv.internal.h"
#include "libc/dce.h"
#include "libc/intrin/strace.internal.h"
#include "libc/sysv/consts/nr.h"
static inline unsigned sys_umask(unsigned newmask) {
#ifdef __x86_64__
unsigned res;
asm volatile("syscall"
: "=a"(res)
: "0"(__NR_umask), "D"(newmask)
: "memory", "cc");
#elif defined(__aarch64__)
// xnu m1 doesn't manage carry flag
register long r0 asm("x0") = newmask;
register long r8 asm("x8") = __NR_umask & 0x7ff;
register long r16 asm("x16") = __NR_umask & 0x7ff;
register unsigned res asm("x0");
asm volatile("svc\t0" : "=r"(res) : "r"(r0), "r"(r8), "r"(r16) : "memory");
#endif
return res;
}
/**
* Sets file mode creation mask.
*