mirror of
git://git.musl-libc.org/musl
synced 2024-12-15 03:05:15 +00:00
075fdb909b
no problems were detected so far, but the constraints seem to have been invalid just like the mips ones.
95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
#define __SYSCALL_LL_E(x) \
|
|
((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
|
|
((union { long long ll; long l[2]; }){ .ll = x }).l[1]
|
|
#define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
|
|
|
|
#define __SYSCALL_SSLEN 8
|
|
|
|
#ifndef __clang__
|
|
|
|
#define __asm_syscall(...) do { \
|
|
__asm__ __volatile__ ( "svc 0" \
|
|
: "=r"(r0) : __VA_ARGS__ : "memory"); \
|
|
return r0; \
|
|
} while (0)
|
|
|
|
static inline long __syscall0(long n)
|
|
{
|
|
register long r7 __asm__("r7") = n;
|
|
register long r0 __asm__("r0");
|
|
__asm_syscall("r"(r7));
|
|
}
|
|
|
|
static inline long __syscall1(long n, long a)
|
|
{
|
|
register long r7 __asm__("r7") = n;
|
|
register long r0 __asm__("r0") = a;
|
|
__asm_syscall("r"(r7), "0"(r0));
|
|
}
|
|
|
|
static inline long __syscall2(long n, long a, long b)
|
|
{
|
|
register long r7 __asm__("r7") = n;
|
|
register long r0 __asm__("r0") = a;
|
|
register long r1 __asm__("r1") = b;
|
|
__asm_syscall("r"(r7), "0"(r0), "r"(r1));
|
|
}
|
|
|
|
static inline long __syscall3(long n, long a, long b, long c)
|
|
{
|
|
register long r7 __asm__("r7") = n;
|
|
register long r0 __asm__("r0") = a;
|
|
register long r1 __asm__("r1") = b;
|
|
register long r2 __asm__("r2") = c;
|
|
__asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2));
|
|
}
|
|
|
|
static inline long __syscall4(long n, long a, long b, long c, long d)
|
|
{
|
|
register long r7 __asm__("r7") = n;
|
|
register long r0 __asm__("r0") = a;
|
|
register long r1 __asm__("r1") = b;
|
|
register long r2 __asm__("r2") = c;
|
|
register long r3 __asm__("r3") = d;
|
|
__asm_syscall("r"(r7), "0"(r0), "r"(r1), "r"(r2), "r"(r3));
|
|
}
|
|
|
|
#else
|
|
|
|
static inline long __syscall0(long n)
|
|
{
|
|
return (__syscall)(n);
|
|
}
|
|
|
|
static inline long __syscall1(long n, long a)
|
|
{
|
|
return (__syscall)(n, a);
|
|
}
|
|
|
|
static inline long __syscall2(long n, long a, long b)
|
|
{
|
|
return (__syscall)(n, a, b);
|
|
}
|
|
|
|
static inline long __syscall3(long n, long a, long b, long c)
|
|
{
|
|
return (__syscall)(n, a, b, c);
|
|
}
|
|
|
|
static inline long __syscall4(long n, long a, long b, long c, long d)
|
|
{
|
|
return (__syscall)(n, a, b, c, d);
|
|
}
|
|
|
|
#endif
|
|
|
|
static inline long __syscall5(long n, long a, long b, long c, long d, long e)
|
|
{
|
|
return (__syscall)(n, a, b, c, d, e);
|
|
}
|
|
|
|
static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
|
|
{
|
|
return (__syscall)(n, a, b, c, d, e, f);
|
|
}
|