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- #ifndef _BITS_SYSCALLS_H
- #define _BITS_SYSCALLS_H
- #ifndef _SYSCALL_H
- # error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
- #endif
- #include <features.h>
- /* Do something very evil for now. Until we create our own syscall
- * macros, short circuit bits/sysnum.h and use asm/unistd.h instead */
- #include <asm/unistd.h>
- /* This includes the `__NR_<name>' syscall numbers taken from the Linux kernel
- * header files. It also defines the traditional `SYS_<name>' macros for older
- * programs. */
- #include <bits/sysnum.h>
- /* The kernel includes don't provide _syscall6, so provide our own */
- #undef _syscall6
- #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \
- type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) \
- { \
- unsigned long __sc_ret, __sc_err; \
- { \
- register unsigned long __sc_0 __asm__ ("r0"); \
- register unsigned long __sc_3 __asm__ ("r3"); \
- register unsigned long __sc_4 __asm__ ("r4"); \
- register unsigned long __sc_5 __asm__ ("r5"); \
- register unsigned long __sc_6 __asm__ ("r6"); \
- register unsigned long __sc_7 __asm__ ("r7"); \
- register unsigned long __sc_8 __asm__ ("r8"); \
- \
- __sc_3 = (unsigned long) (arg1); \
- __sc_4 = (unsigned long) (arg2); \
- __sc_5 = (unsigned long) (arg3); \
- __sc_6 = (unsigned long) (arg4); \
- __sc_7 = (unsigned long) (arg5); \
- __sc_8 = (unsigned long) (arg6); \
- __sc_0 = __NR_##name; \
- __asm__ __volatile__ \
- ("sc \n\t" \
- "mfcr %1 " \
- : "=&r" (__sc_3), "=&r" (__sc_0) \
- : "0" (__sc_3), "1" (__sc_0), \
- "r" (__sc_4), \
- "r" (__sc_5), \
- "r" (__sc_6), \
- "r" (__sc_7), \
- "r" (__sc_8) \
- : __syscall_clobbers); \
- __sc_ret = __sc_3; \
- __sc_err = __sc_0; \
- } \
- __syscall_return (type); \
- }
- #endif /* _BITS_SYSCALLS_H */
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