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#ifndef _BITS_SYSCALLS_H
#define _BITS_SYSCALLS_H
#ifndef _SYSCALL_H
#error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."
#endif
#ifndef __ASSEMBLER__
#include <errno.h>
#define SYS_ify(syscall_name) (__NR_##syscall_name)
#undef _syscall0
#define _syscall0(type,name) \
type name(void) \
{ \
return (type) (INLINE_SYSCALL(name, 0)); \
}
#undef _syscall1
#define _syscall1(type,name,type1,arg1) \
type name(type1 arg1) \
{ \
return (type) (INLINE_SYSCALL(name, 1, arg1)); \
}
#undef _syscall2
#define _syscall2(type,name,type1,arg1,type2,arg2) \
type name(type1 arg1,type2 arg2) \
{ \
return (type) (INLINE_SYSCALL(name, 2, arg1, arg2)); \
}
#undef _syscall3
#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
type name(type1 arg1,type2 arg2,type3 arg3) \
{ \
return (type) (INLINE_SYSCALL(name, 3, arg1, arg2, arg3)); \
}
#undef _syscall4
#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
{ \
return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)); \
}
#undef _syscall5
#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
type5,arg5) \
type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
{ \
return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \
}
#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) \
{ \
return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \
}
#undef INLINE_SYSCALL
#define INLINE_SYSCALL(name, nr, args...) \
({ \
unsigned long __sys_res; \
register unsigned long __res __asm__ ("r10"); \
LOAD_ARGS_c_##nr (args) \
register unsigned long __callno __asm__ ("r9") \
= SYS_ify (name); \
__asm__ __volatile__ (LOAD_ARGS_asm_##nr (args) \
CHECK_ARGS_asm_##nr \
"break 13" \
: "=r" (__res) \
: ASM_ARGS_##nr (args) \
: ASM_CLOBBER_##nr); \
__sys_res = __res; \
\
if (__sys_res >= (unsigned long) -4096) \
{ \
__set_errno (- __sys_res); \
__sys_res = (unsigned long) -1; \
} \
__sys_res; \
})
#define LOAD_ARGS_c_0()
#define LOAD_ARGS_asm_0()
#define ASM_CLOBBER_0 "memory"
#define ASM_ARGS_0() "r" (__callno)
#define CHECK_ARGS_asm_0
#define LOAD_ARGS_c_1(r10) \
LOAD_ARGS_c_0() \
register unsigned long __r10 __asm__ ("r10") = (unsigned long) (r10);
#define LOAD_ARGS_asm_1(r10) LOAD_ARGS_asm_0 ()
#define ASM_CLOBBER_1 ASM_CLOBBER_0
#define ASM_ARGS_1(r10) ASM_ARGS_0 (), "0" (__r10)
#define CHECK_ARGS_asm_1 \
".ifnc %0,$r10\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_2(r10, r11) \
LOAD_ARGS_c_1(r10) \
register unsigned long __r11 __asm__ ("r11") = (unsigned long) (r11);
#define LOAD_ARGS_asm_2(r10, r11) LOAD_ARGS_asm_1 (r10)
#define ASM_CLOBBER_2 ASM_CLOBBER_1
#define ASM_ARGS_2(r10, r11) ASM_ARGS_1 (r10), "r" (__r11)
#define CHECK_ARGS_asm_2 \
".ifnc %0-%3,$r10-$r11\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_3(r10, r11, r12) \
LOAD_ARGS_c_2(r10, r11) \
register unsigned long __r12 __asm__ ("r12") = (unsigned long) (r12);
#define LOAD_ARGS_asm_3(r10, r11, r12) LOAD_ARGS_asm_2 (r10, r11)
#define ASM_CLOBBER_3 ASM_CLOBBER_2
#define ASM_ARGS_3(r10, r11, r12) ASM_ARGS_2 (r10, r11), "r" (__r12)
#define CHECK_ARGS_asm_3 \
".ifnc %0-%3-%4,$r10-$r11-$r12\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_4(r10, r11, r12, r13) \
LOAD_ARGS_c_3(r10, r11, r12) \
register unsigned long __r13 __asm__ ("r13") = (unsigned long) (r13);
#define LOAD_ARGS_asm_4(r10, r11, r12, r13) LOAD_ARGS_asm_3 (r10, r11, r12)
#define ASM_CLOBBER_4 ASM_CLOBBER_3
#define ASM_ARGS_4(r10, r11, r12, r13) ASM_ARGS_3 (r10, r11, r12), "r" (__r13)
#define CHECK_ARGS_asm_4 \
".ifnc %0-%3-%4-%5,$r10-$r11-$r12-$r13\n\t" \
".err\n\t" \
".endif\n\t"
#define LOAD_ARGS_c_5(r10, r11, r12, r13, mof) \
LOAD_ARGS_c_4(r10, r11, r12, r13)
#define LOAD_ARGS_asm_5(r10, r11, r12, r13, mof) \
LOAD_ARGS_asm_4 (r10, r11, r12, r13) "move %6,$mof\n\t"
#define ASM_CLOBBER_5 ASM_CLOBBER_4
#define ASM_ARGS_5(r10, r11, r12, r13, mof) \
ASM_ARGS_4 (r10, r11, r12, r13), "g" (mof)
#define CHECK_ARGS_asm_5 CHECK_ARGS_asm_4
#define LOAD_ARGS_c_6(r10, r11, r12, r13, mof, srp) \
LOAD_ARGS_c_5(r10, r11, r12, r13, mof)
#define LOAD_ARGS_asm_6(r10, r11, r12, r13, mof, srp) \
LOAD_ARGS_asm_5(r10, r11, r12, r13, mof) \
"move %7,$srp\n\t"
#define ASM_CLOBBER_6 ASM_CLOBBER_5, "srp"
#define ASM_ARGS_6(r10, r11, r12, r13, mof, srp) \
ASM_ARGS_5 (r10, r11, r12, r13, mof), "g" (srp)
#define CHECK_ARGS_asm_6 CHECK_ARGS_asm_5
#endif /* not __ASSEMBLER__ */
#endif /* _BITS_SYSCALLS_H */
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