diff options
Diffstat (limited to 'libc-top-half/musl/arch/mips/syscall_arch.h')
| -rw-r--r-- | libc-top-half/musl/arch/mips/syscall_arch.h | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/libc-top-half/musl/arch/mips/syscall_arch.h b/libc-top-half/musl/arch/mips/syscall_arch.h new file mode 100644 index 0000000..5b7c38d --- /dev/null +++ b/libc-top-half/musl/arch/mips/syscall_arch.h @@ -0,0 +1,153 @@ +#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_RLIM_INFINITY (-1UL/2) + +#if __mips_isa_rev >= 6 +#define SYSCALL_CLOBBERLIST \ + "$1", "$3", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "memory" +#else +#define SYSCALL_CLOBBERLIST \ + "$1", "$3", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "hi", "lo", "memory" +#endif + +static inline long __syscall0(long n) +{ + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 && r2>0 ? -r2 : r2; +} + +static inline long __syscall1(long n, long a) +{ + register long r4 __asm__("$4") = a; + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 && r2>0 ? -r2 : r2; +} + +static inline long __syscall2(long n, long a, long b) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 && r2>0 ? -r2 : r2; +} + +static inline long __syscall3(long n, long a, long b, long c) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; + register long r7 __asm__("$7"); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 && r2>0 ? -r2 : r2; +} + +static inline long __syscall4(long n, long a, long b, long c, long d) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; + register long r7 __asm__("$7") = d; + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "+r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 && r2>0 ? -r2 : r2; +} + +static inline long __syscall5(long n, long a, long b, long c, long d, long e) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; + register long r7 __asm__("$7") = d; + register long r8 __asm__("$8") = e; + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "subu $sp,$sp,32 ; sw $8,16($sp) ; " + "addu $2,$0,%3 ; syscall ;" + "addu $sp,$sp,32" + : "=&r"(r2), "+r"(r7), "+r"(r8) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST, "$9", "$10"); + return r7 && r2>0 ? -r2 : r2; +} + +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; + register long r7 __asm__("$7") = d; + register long r8 __asm__("$8") = e; + register long r9 __asm__("$9") = f; + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; " + "addu $2,$0,%4 ; syscall ;" + "addu $sp,$sp,32" + : "=&r"(r2), "+r"(r7), "+r"(r8), "+r"(r9) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST, "$10"); + return r7 && r2>0 ? -r2 : r2; +} + +static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g) +{ + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; + register long r7 __asm__("$7") = d; + register long r8 __asm__("$8") = e; + register long r9 __asm__("$9") = f; + register long r10 __asm__("$10") = g; + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; sw $10,24($sp) ; " + "addu $2,$0,%5 ; syscall ;" + "addu $sp,$sp,32" + : "=&r"(r2), "+r"(r7), "+r"(r8), "+r"(r9), "+r"(r10) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST); + return r7 && r2>0 ? -r2 : r2; +} + +#define VDSO_USEFUL +#define VDSO_CGT32_SYM "__vdso_clock_gettime" +#define VDSO_CGT32_VER "LINUX_2.6" +#define VDSO_CGT_SYM "__vdso_clock_gettime64" +#define VDSO_CGT_VER "LINUX_2.6" + +#define SO_SNDTIMEO_OLD 0x1005 +#define SO_RCVTIMEO_OLD 0x1006 + +#undef SYS_socketcall |