diff options
Diffstat (limited to 'libc/sysdeps/linux/powerpc/bits/syscalls.h')
-rw-r--r-- | libc/sysdeps/linux/powerpc/bits/syscalls.h | 170 |
1 files changed, 23 insertions, 147 deletions
diff --git a/libc/sysdeps/linux/powerpc/bits/syscalls.h b/libc/sysdeps/linux/powerpc/bits/syscalls.h index 93c0f3f48..6efff713e 100644 --- a/libc/sysdeps/linux/powerpc/bits/syscalls.h +++ b/libc/sysdeps/linux/powerpc/bits/syscalls.h @@ -1,152 +1,20 @@ -#include <asm/unistd.h> - -#undef __NR -#define __NR(n) #n - -#undef __syscall_return -#define __syscall_return(type) \ - return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \ - (type) __sc_ret - -#undef __syscall_clobbers -#define __syscall_clobbers \ - "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" - -#undef _syscall0 -#define _syscall0(type,name) \ -type name(void) \ -{ \ - unsigned long __sc_ret, __sc_err; \ - { \ - register unsigned long __sc_0 __asm__ ("r0"); \ - register unsigned long __sc_3 __asm__ ("r3"); \ - \ - __sc_0 = __NR_##name; \ - __asm__ __volatile__ \ - ("sc \n\t" \ - "mfcr %1 " \ - : "=&r" (__sc_3), "=&r" (__sc_0) \ - : "0" (__sc_3), "1" (__sc_0) \ - : __syscall_clobbers); \ - __sc_ret = __sc_3; \ - __sc_err = __sc_0; \ - } \ - __syscall_return (type); \ -} +#ifndef _BITS_SYSCALLS_H +#define _BITS_SYSCALLS_H +#ifndef _SYSCALL_H +# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead." +#endif -#undef _syscall1 -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) \ -{ \ - unsigned long __sc_ret, __sc_err; \ - { \ - register unsigned long __sc_0 __asm__ ("r0"); \ - register unsigned long __sc_3 __asm__ ("r3"); \ - \ - __sc_3 = (unsigned long) (arg1); \ - __sc_0 = __NR_##name; \ - __asm__ __volatile__ \ - ("sc \n\t" \ - "mfcr %1 " \ - : "=&r" (__sc_3), "=&r" (__sc_0) \ - : "0" (__sc_3), "1" (__sc_0) \ - : __syscall_clobbers); \ - __sc_ret = __sc_3; \ - __sc_err = __sc_0; \ - } \ - __syscall_return (type); \ -} +#include <features.h> -#undef _syscall2 -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1, type2 arg2) \ -{ \ - 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"); \ - \ - __sc_3 = (unsigned long) (arg1); \ - __sc_4 = (unsigned long) (arg2); \ - __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) \ - : __syscall_clobbers); \ - __sc_ret = __sc_3; \ - __sc_err = __sc_0; \ - } \ - __syscall_return (type); \ -} - -#undef _syscall3 -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1, type2 arg2, type3 arg3) \ -{ \ - 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"); \ - \ - __sc_3 = (unsigned long) (arg1); \ - __sc_4 = (unsigned long) (arg2); \ - __sc_5 = (unsigned long) (arg3); \ - __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) \ - : __syscall_clobbers); \ - __sc_ret = __sc_3; \ - __sc_err = __sc_0; \ - } \ - __syscall_return (type); \ -} - -#undef _syscall4 -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ -type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ -{ \ - 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"); \ - \ - __sc_3 = (unsigned long) (arg1); \ - __sc_4 = (unsigned long) (arg2); \ - __sc_5 = (unsigned long) (arg3); \ - __sc_6 = (unsigned long) (arg4); \ - __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) \ - : __syscall_clobbers); \ - __sc_ret = __sc_3; \ - __sc_err = __sc_0; \ - } \ - __syscall_return (type); \ -} +/* Do something very evil for now. Until we create our own syscall + * macros, short circuit bits/syscall.h and use asm/unistd.h instead */ +#define _BITS_SYSCALL_H +#include <asm/unistd.h> -#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) \ +/* 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; \ { \ @@ -156,12 +24,14 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ 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" \ @@ -171,10 +41,16 @@ type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) \ "r" (__sc_4), \ "r" (__sc_5), \ "r" (__sc_6), \ - "r" (__sc_7) \ + "r" (__sc_7), \ + "r" (__sc_8) \ : __syscall_clobbers); \ __sc_ret = __sc_3; \ __sc_err = __sc_0; \ } \ __syscall_return (type); \ } + + + +#endif /* _BITS_SYSCALLS_H */ + |