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author | rofl0r <retnyg@gmx.net> | 2014-01-07 22:53:38 +0100 |
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committer | rofl0r <retnyg@gmx.net> | 2014-02-23 11:09:16 +0100 |
commit | 664cd341921007cea52c8891f27ce35927dca378 (patch) | |
tree | b6aa7594609a40616db8458f879dfdb0dddf4b7c /arch/x32/syscall_arch.h | |
parent | 323272db175204b951f119dae4bd99ef05e20f13 (diff) | |
download | musl-664cd341921007cea52c8891f27ce35927dca378.tar.gz musl-664cd341921007cea52c8891f27ce35927dca378.tar.bz2 musl-664cd341921007cea52c8891f27ce35927dca378.tar.xz musl-664cd341921007cea52c8891f27ce35927dca378.zip |
x32 port (diff against vanilla x86_64)
Diffstat (limited to 'arch/x32/syscall_arch.h')
-rw-r--r-- | arch/x32/syscall_arch.h | 93 |
1 files changed, 76 insertions, 17 deletions
diff --git a/arch/x32/syscall_arch.h b/arch/x32/syscall_arch.h index a85c440c..57e76896 100644 --- a/arch/x32/syscall_arch.h +++ b/arch/x32/syscall_arch.h @@ -1,29 +1,45 @@ #define __SYSCALL_LL_E(x) (x) #define __SYSCALL_LL_O(x) (x) -static __inline long __syscall0(long n) +#define __scc(X) sizeof(1?(X):0ULL) < 8 ? (unsigned long) (X) : (long long) (X) +#define syscall_arg_t long long +struct __timespec { long long tv_sec; long tv_nsec; }; +struct __timespec_kernel { long long tv_sec; long long tv_nsec; }; +#define __tsc(X) ((struct __timespec*)(unsigned long)(X)) + +static __inline long __syscall0(long long n) { unsigned long ret; __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n) : "rcx", "r11", "memory"); return ret; } -static __inline long __syscall1(long n, long a1) +static __inline long __syscall1(long long n, long long a1) { unsigned long ret; __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1) : "rcx", "r11", "memory"); return ret; } -static __inline long __syscall2(long n, long a1, long a2) +static __inline long __syscall2(long long n, long long a1, long long a2) { unsigned long ret; + struct __timespec *ts2 = 0; + switch (n) { + case SYS_nanosleep: + if(a1) a1 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(a1)->tv_sec, .tv_nsec = __tsc(a1)->tv_nsec}); + break; + case SYS_clock_settime: + if(a2) a2 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(a2)->tv_sec, .tv_nsec = __tsc(a2)->tv_nsec}); + } __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2) - : "rcx", "r11", "memory"); + : "rcx", "r11", "memory"); return ret; } -static __inline long __syscall3(long n, long a1, long a2, long a3) +static __inline long __syscall3(long long n, long long a1, long long a2, long long a3) { unsigned long ret; __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2), @@ -31,32 +47,75 @@ static __inline long __syscall3(long n, long a1, long a2, long a3) return ret; } -static __inline long __syscall4(long n, long a1, long a2, long a3, long a4) +static __inline long __syscall4(long long n, long long a1, long long a2, long long a3, + long long a4) { unsigned long ret; - register long r10 __asm__("r10") = a4; + register long long r10 __asm__("r10") = a4; + switch (n) { + case SYS_futex: + if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) { + if(r10) r10 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(r10)->tv_sec, .tv_nsec = __tsc(r10)->tv_nsec}); + } + break; + case SYS_utimensat: + if(a3) a3 = (unsigned long) ((struct __timespec_kernel[2]) { + [0] = {.tv_sec = __tsc(a3)[0].tv_sec, .tv_nsec = __tsc(a3)[0].tv_nsec}, + [1] = {.tv_sec = __tsc(a3)[1].tv_sec, .tv_nsec = __tsc(a3)[1].tv_nsec}, + }); + break; + case SYS_clock_nanosleep: + case SYS_rt_sigtimedwait: case SYS_ppoll: + if(a3) a3 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(a3)->tv_sec, .tv_nsec = __tsc(a3)->tv_nsec}); + } __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2), - "d"(a3), "r"(r10): "rcx", "r11", "memory"); + "d"(a3), "r"(r10): "rcx", "r11", "memory"); return ret; } -static __inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) +static __inline long __syscall5(long long n, long long a1, long long a2, long long a3, + long long a4, long long a5) { unsigned long ret; - register long r10 __asm__("r10") = a4; - register long r8 __asm__("r8") = a5; + register long long r10 __asm__("r10") = a4; + register long long r8 __asm__("r8") = a5; + switch (n) { + case SYS_futex: + if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) { + if(r10) r10 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(r10)->tv_sec, .tv_nsec = __tsc(r10)->tv_nsec}); + } + break; + case SYS_mq_timedsend: case SYS_mq_timedreceive: + if(r8) r8 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(r8)->tv_sec, .tv_nsec = __tsc(r8)->tv_nsec}); + } __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2), - "d"(a3), "r"(r10), "r"(r8) : "rcx", "r11", "memory"); + "d"(a3), "r"(r10), "r"(r8) : "rcx", "r11", "memory"); return ret; } -static __inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) +static __inline long __syscall6(long long n, long long a1, long long a2, long long a3, + long long a4, long long a5, long long a6) { unsigned long ret; - register long r10 __asm__("r10") = a4; - register long r8 __asm__("r8") = a5; - register long r9 __asm__("r9") = a6; + register long long r10 __asm__("r10") = a4; + register long long r8 __asm__("r8") = a5; + register long long r9 __asm__("r9") = a6; + switch (n) { + case SYS_futex: + if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) { + if(r10) r10 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(r10)->tv_sec, .tv_nsec = __tsc(r10)->tv_nsec}); + } + break; + case SYS_pselect6: + if(r8) r8 = (unsigned long) (&(struct __timespec_kernel) { + .tv_sec = __tsc(r8)->tv_sec, .tv_nsec = __tsc(r8)->tv_nsec}); + } __asm__ __volatile__ ("syscall" : "=a"(ret) : "a"(n), "D"(a1), "S"(a2), - "d"(a3), "r"(r10), "r"(r8), "r"(r9) : "rcx", "r11", "memory"); + "d"(a3), "r"(r10), "r"(r8), "r"(r9) : "rcx", "r11", "memory"); return ret; } |