diff options
Diffstat (limited to 'src/thread')
| -rw-r--r-- | src/thread/x32/syscall_cp_fixup.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/thread/x32/syscall_cp_fixup.c b/src/thread/x32/syscall_cp_fixup.c new file mode 100644 index 00000000..b1f3a382 --- /dev/null +++ b/src/thread/x32/syscall_cp_fixup.c @@ -0,0 +1,38 @@ +#include <sys/syscall.h> + +__attribute__((__visibility__("hidden"))) +long __syscall_cp_internal(volatile void*, long long, long long, long long, long long, + long long, long long, 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)) +#define __fixup(X) do { if(X) { \ + ts->tv_sec = __tsc(X)->tv_sec; \ + ts->tv_nsec = __tsc(X)->tv_nsec; \ + (X) = (unsigned long)ts; } } while(0) + +__attribute__((__visibility__("hidden"))) +long __syscall_cp_asm (volatile void * foo, long long n, long long a1, long long a2, long long a3, + long long a4, long long a5, long long a6) +{ + struct __timespec_kernel ts[1]; + switch (n) { + case SYS_mq_timedsend: case SYS_mq_timedreceive: case SYS_pselect6: + __fixup(a5); + break; + case SYS_futex: + if((a2 & (~128 /* FUTEX_PRIVATE_FLAG */)) == 0 /* FUTEX_WAIT */) + __fixup(a4); + break; + case SYS_clock_nanosleep: + case SYS_rt_sigtimedwait: case SYS_ppoll: + __fixup(a3); + break; + case SYS_nanosleep: + __fixup(a1); + break; + } + return __syscall_cp_internal(foo, n, a1, a2, a3, a4, a5, a6); +} + |