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git://git.musl-libc.org/musl
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e5b086e1d5
On 32bit systems long long arguments are passed in a special way to some syscalls; this accidentally got copied to the AArch64 port. The following interfaces were broken: fallocate, fanotify, ftruncate, posix_fadvise, posix_fallocate, pread, pwrite, readahead, sync_file_range, truncate.
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(...) do { \
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__asm__ __volatile__ ( "svc 0" \
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: "=r"(x0) : __VA_ARGS__ : "memory", "cc"); \
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return x0; \
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} while (0)
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static inline long __syscall0(long n)
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{
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register long x8 __asm__("x8") = n;
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register long x0 __asm__("x0");
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__asm_syscall("r"(x8));
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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 x8 __asm__("x8") = n;
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register long x0 __asm__("x0") = a;
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__asm_syscall("r"(x8), "0"(x0));
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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 x8 __asm__("x8") = n;
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register long x0 __asm__("x0") = a;
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register long x1 __asm__("x1") = b;
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__asm_syscall("r"(x8), "0"(x0), "r"(x1));
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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 x8 __asm__("x8") = n;
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register long x0 __asm__("x0") = a;
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register long x1 __asm__("x1") = b;
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register long x2 __asm__("x2") = c;
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__asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2));
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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 x8 __asm__("x8") = n;
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register long x0 __asm__("x0") = a;
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register long x1 __asm__("x1") = b;
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register long x2 __asm__("x2") = c;
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register long x3 __asm__("x3") = d;
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__asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3));
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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 x8 __asm__("x8") = n;
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register long x0 __asm__("x0") = a;
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register long x1 __asm__("x1") = b;
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register long x2 __asm__("x2") = c;
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register long x3 __asm__("x3") = d;
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register long x4 __asm__("x4") = e;
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__asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3), "r"(x4));
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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 x8 __asm__("x8") = n;
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register long x0 __asm__("x0") = a;
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register long x1 __asm__("x1") = b;
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register long x2 __asm__("x2") = c;
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register long x3 __asm__("x3") = d;
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register long x4 __asm__("x4") = e;
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register long x5 __asm__("x5") = f;
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__asm_syscall("r"(x8), "0"(x0), "r"(x1), "r"(x2), "r"(x3), "r"(x4), "r"(x5));
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}
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#define VDSO_USEFUL
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#define VDSO_CGT_SYM "__kernel_clock_gettime"
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#define VDSO_CGT_VER "LINUX_2.6.39"
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