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https://git.musl-libc.org/git/musl
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4f44937432
for or1k, the kernel expects the offset passed to mmap2 in units of the 8k page size, not the standard unit of 4k used on most other archs.
157 lines
4.3 KiB
C
157 lines
4.3 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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#define SYSCALL_MMAP2_UNIT 8192ULL
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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 r11 __asm__("r11") = n;
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__asm__ __volatile__ ("l.sys 1"
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: "=r"(r11)
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: "r"(r11)
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: "memory", "r3", "r4", "r5", "r6", "r7", "r8",
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"r12", "r13", "r15", "r17", "r19", "r21",
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"r23", "r25", "r27", "r29", "r31");
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return r11;
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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 r11 __asm__("r11") = n;
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register unsigned long r3 __asm__("r3") = a;
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__asm__ __volatile__ ("l.sys 1"
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: "=r"(r11)
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: "r"(r11), "r"(r3)
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: "memory", "r4", "r5", "r6", "r7", "r8",
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"r12", "r13", "r15", "r17", "r19", "r21",
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"r23", "r25", "r27", "r29", "r31");
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return r11;
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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 r11 __asm__("r11") = n;
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register unsigned long r3 __asm__("r3") = a;
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register unsigned long r4 __asm__("r4") = b;
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__asm__ __volatile__ ("l.sys 1"
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: "=r"(r11)
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: "r"(r11), "r"(r3), "r"(r4)
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: "memory", "r5", "r6", "r7", "r8",
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"r12", "r13", "r15", "r17", "r19", "r21",
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"r23", "r25", "r27", "r29", "r31");
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return r11;
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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 r11 __asm__("r11") = n;
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register unsigned long r3 __asm__("r3") = a;
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register unsigned long r4 __asm__("r4") = b;
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register unsigned long r5 __asm__("r5") = c;
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__asm__ __volatile__ ("l.sys 1"
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: "=r"(r11)
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: "r"(r11), "r"(r3), "r"(r4), "r"(r5)
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: "memory", "r6", "r7", "r8",
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"r12", "r13", "r15", "r17", "r19", "r21",
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"r23", "r25", "r27", "r29", "r31");
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return r11;
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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 r11 __asm__("r11") = n;
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register unsigned long r3 __asm__("r3") = a;
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register unsigned long r4 __asm__("r4") = b;
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register unsigned long r5 __asm__("r5") = c;
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register unsigned long r6 __asm__("r6") = d;
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__asm__ __volatile__ ("l.sys 1"
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: "=r"(r11)
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: "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6)
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: "memory", "r7", "r8",
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"r12", "r13", "r15", "r17", "r19", "r21",
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"r23", "r25", "r27", "r29", "r31");
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return r11;
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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 r11 __asm__("r11") = n;
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register unsigned long r3 __asm__("r3") = a;
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register unsigned long r4 __asm__("r4") = b;
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register unsigned long r5 __asm__("r5") = c;
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register unsigned long r6 __asm__("r6") = d;
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register unsigned long r7 __asm__("r7") = e;
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__asm__ __volatile__ ("l.sys 1"
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: "=r"(r11)
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: "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
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"r"(r7)
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: "memory", "r8",
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"r12", "r13", "r15", "r17", "r19", "r21",
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"r23", "r25", "r27", "r29", "r31");
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return r11;
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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 r11 __asm__("r11") = n;
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register unsigned long r3 __asm__("r3") = a;
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register unsigned long r4 __asm__("r4") = b;
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register unsigned long r5 __asm__("r5") = c;
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register unsigned long r6 __asm__("r6") = d;
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register unsigned long r7 __asm__("r7") = e;
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register unsigned long r8 __asm__("r8") = f;
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__asm__ __volatile__ ("l.sys 1"
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: "=r"(r11)
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: "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
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"r"(r7), "r"(r8)
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: "memory",
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"r12", "r13", "r15", "r17", "r19", "r21",
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"r23", "r25", "r27", "r29", "r31");
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return r11;
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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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