Mark
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
#pragma once
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static inline long __syscall0(long n) {
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unsigned long ret;
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asm volatile ("syscall"
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:"=a"(ret)
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:"a"(n)
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:"rcx","r11","memory");
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return ret;
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}
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static inline long __syscall1(long n, long a1) {
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unsigned long ret;
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asm volatile ("syscall"
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:"=a"(ret)
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:"a"(n),"D"(a1)
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:"rcx","r11","memory");
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return ret;
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}
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static inline long __syscall2(long n, long a1, long a2) {
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unsigned long ret;
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asm volatile ("syscall"
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:"=a"(ret)
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:"a"(n),"D"(a1),"S"(a2)
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:"rcx","r11","memory");
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return ret;
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}
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static inline long __syscall3(long n, long a1, long a2, long a3) {
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unsigned long ret;
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asm volatile ("syscall"
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:"=a"(ret)
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:"a"(n),"D"(a1),"S"(a2),"d"(a3)
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:"rcx","r11","memory");
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return ret;
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}
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static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) {
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unsigned long ret;
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register long r10 __asm__("r10") = a4;
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register long r8 __asm__("r8") = a5;
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register long r9 __asm__("r9") = a6;
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asm volatile ("syscall"
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:"=a"(ret)
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:"a"(n),"D"(a1),"S"(a2),"d"(a3),"r"(r10),"r"(r8),"r"(r9)
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:"rcx","r11","memory");
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return ret;
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}
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#define SET_ERRNO(t, r) ({ \
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t res = (t) r; \
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if (res < 0) { \
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errno = -res; \
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} \
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((int) res) < 0 ? (t) -1 : res; \
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})
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