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[/] [or1k/] [trunk/] [linux/] [uClibc/] [ldso/] [ldso/] [powerpc/] [ld_syscalls.h] - Rev 1771
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/* * This file contains the system call macros and syscall * numbers used by the shared library loader. */ #define __NR_exit 1 #define __NR_read 3 #define __NR_write 4 #define __NR_open 5 #define __NR_close 6 #define __NR_getpid 20 #define __NR_getuid 24 #define __NR_geteuid 49 #define __NR_getgid 47 #define __NR_getegid 50 #define __NR_readlink 85 #define __NR_mmap 90 #define __NR_munmap 91 #define __NR_stat 106 #define __NR_mprotect 125 /* Here are the macros which define how this platform makes * system calls. This particular variant does _not_ set * errno (note how it is disabled in __syscall_return) since * these will get called before the errno symbol is dynamicly * linked. */ #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 \ "r9", "r10", "r11", "r12" //"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) \ : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \ __sc_ret = __sc_3; \ __sc_err = __sc_0; \ } \ __syscall_return (type); \ } #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) \ : "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \ __sc_ret = __sc_3; \ __sc_err = __sc_0; \ } \ __syscall_return (type); \ } #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) \ : "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \ __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) \ : "r6", "r7", "r8", "r9", "r10", "r11", "r12" ); \ __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) \ : "r7", "r8", "r9", "r10", "r11", "r12" ); \ __sc_ret = __sc_3; \ __sc_err = __sc_0; \ } \ __syscall_return (type); \ } #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) \ { \ 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"); \ \ __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_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) \ : "r8", "r9", "r10", "r11", "r12" ); \ __sc_ret = __sc_3; \ __sc_err = __sc_0; \ } \ __syscall_return (type); \ } #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) \ : "r9", "r10", "r11", "r12" ); \ __sc_ret = __sc_3; \ __sc_err = __sc_0; \ } \ __syscall_return (type); \ }
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