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https://github.com/fluencelabs/musl
synced 2025-05-30 08:01:38 +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.
139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
#define __SYSCALL_LL_E(x) \
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((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
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((union { long long ll; long l[2]; }){ .ll = x }).l[1]
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#define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
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long (__syscall)(long, ...);
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#ifndef __clang__
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static __inline long __syscall0(long n)
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{
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register unsigned long r12 __asm__("r12") = n;
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register unsigned long r3 __asm__("r3");
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__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
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: "r"(r12)
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: "memory");
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return r3;
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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 unsigned long r12 __asm__("r12") = n;
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register unsigned long r3 __asm__("r3");
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register unsigned long r5 __asm__("r5") = a;
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__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
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: "r"(r12), "r"(r5)
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: "memory");
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return r3;
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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 unsigned long r12 __asm__("r12") = n;
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register unsigned long r3 __asm__("r3");
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register unsigned long r5 __asm__("r5") = a;
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register unsigned long r6 __asm__("r6") = b;
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__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
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: "r"(r12), "r"(r5), "r"(r6)
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: "memory");
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return r3;
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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 unsigned long r12 __asm__("r12") = n;
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register unsigned long r3 __asm__("r3");
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register unsigned long r5 __asm__("r5") = a;
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register unsigned long r6 __asm__("r6") = b;
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register unsigned long r7 __asm__("r7") = c;
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__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
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: "r"(r12), "r"(r5), "r"(r6), "r"(r7)
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: "memory");
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return r3;
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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 unsigned long r12 __asm__("r12") = n;
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register unsigned long r3 __asm__("r3");
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register unsigned long r5 __asm__("r5") = a;
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register unsigned long r6 __asm__("r6") = b;
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register unsigned long r7 __asm__("r7") = c;
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register unsigned long r8 __asm__("r8") = d;
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__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
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: "r"(r12), "r"(r5), "r"(r6), "r"(r7), "r"(r8)
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: "memory");
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return r3;
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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 unsigned long r12 __asm__("r12") = n;
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register unsigned long r3 __asm__("r3");
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register unsigned long r5 __asm__("r5") = a;
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register unsigned long r6 __asm__("r6") = b;
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register unsigned long r7 __asm__("r7") = c;
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register unsigned long r8 __asm__("r8") = d;
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register unsigned long r9 __asm__("r9") = e;
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__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
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: "r"(r12), "r"(r5), "r"(r6), "r"(r7), "r"(r8), "r"(r9)
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: "memory");
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return r3;
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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 unsigned long r12 __asm__("r12") = n;
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register unsigned long r3 __asm__("r3");
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register unsigned long r5 __asm__("r5") = a;
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register unsigned long r6 __asm__("r6") = b;
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register unsigned long r7 __asm__("r7") = c;
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register unsigned long r8 __asm__("r8") = d;
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register unsigned long r9 __asm__("r9") = e;
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register unsigned long r10 __asm__("r10") = f;
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__asm__ __volatile__ ("brki r14, 0x8" : "=r"(r3)
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: "r"(r12), "r"(r5), "r"(r6), "r"(r7), "r"(r8), "r"(r9), "r"(r10)
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: "memory");
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return r3;
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}
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#else
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static inline long __syscall0(long n)
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{
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return (__syscall)(n);
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}
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static inline long __syscall1(long n, long a)
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{
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return (__syscall)(n, a);
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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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return (__syscall)(n, a, b);
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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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return (__syscall)(n, a, b, c);
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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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return (__syscall)(n, a, b, c, d);
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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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return (__syscall)(n, a, b, c, d, e);
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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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return (__syscall)(n, a, b, c, d, e, f);
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}
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#endif
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