mirror of git://git.musl-libc.org/musl
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
#define __SYSCALL_LL_E(x) (x)
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#define __SYSCALL_LL_O(x) (x)
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#define __asm_syscall(...) \
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__asm__ __volatile__ ("ecall\n\t" \
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: "=r"(a0) : __VA_ARGS__ : "memory"); \
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return a0; \
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static inline long __syscall0(long n)
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{
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register long a7 __asm__("a7") = n;
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register long a0 __asm__("a0");
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__asm_syscall("r"(a7))
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}
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static inline long __syscall1(long n, long a)
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{
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register long a7 __asm__("a7") = n;
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register long a0 __asm__("a0") = a;
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__asm_syscall("r"(a7), "0"(a0))
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}
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static inline long __syscall2(long n, long a, long b)
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{
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register long a7 __asm__("a7") = n;
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register long a0 __asm__("a0") = a;
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register long a1 __asm__("a1") = b;
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__asm_syscall("r"(a7), "0"(a0), "r"(a1))
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}
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static inline long __syscall3(long n, long a, long b, long c)
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{
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register long a7 __asm__("a7") = n;
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register long a0 __asm__("a0") = a;
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register long a1 __asm__("a1") = b;
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register long a2 __asm__("a2") = c;
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__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2))
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}
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static inline long __syscall4(long n, long a, long b, long c, long d)
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{
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register long a7 __asm__("a7") = n;
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register long a0 __asm__("a0") = a;
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register long a1 __asm__("a1") = b;
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register long a2 __asm__("a2") = c;
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register long a3 __asm__("a3") = d;
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__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3))
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}
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static inline long __syscall5(long n, long a, long b, long c, long d, long e)
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{
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register long a7 __asm__("a7") = n;
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register long a0 __asm__("a0") = a;
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register long a1 __asm__("a1") = b;
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register long a2 __asm__("a2") = c;
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register long a3 __asm__("a3") = d;
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register long a4 __asm__("a4") = e;
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__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4))
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}
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static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
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{
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register long a7 __asm__("a7") = n;
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register long a0 __asm__("a0") = a;
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register long a1 __asm__("a1") = b;
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register long a2 __asm__("a2") = c;
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register long a3 __asm__("a3") = d;
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register long a4 __asm__("a4") = e;
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register long a5 __asm__("a5") = f;
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__asm_syscall("r"(a7), "0"(a0), "r"(a1), "r"(a2), "r"(a3), "r"(a4), "r"(a5))
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}
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#define VDSO_USEFUL
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/* We don't have a clock_gettime function.
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#define VDSO_CGT_SYM "__vdso_clock_gettime"
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#define VDSO_CGT_VER "LINUX_2.6" */
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