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