mirror of
git://git.musl-libc.org/musl
synced 2025-03-01 17:20:25 +00:00
dbed392410
the reordering of headers caused some risc archs to not see the __syscall declaration anymore. this caused build errors on mips with any compiler, and on arm and microblaze with clang. we now declare it locally just like the powerpc port does.
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))
|
|
|
|
long (__syscall)(long, ...);
|
|
|
|
#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);
|
|
}
|