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[/] [or1k/] [trunk/] [linux/] [uClibc/] [ldso/] [ldso/] [sparc/] [ld_syscalls.h] - Rev 1325
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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_getuid 24 #define __NR_getgid 47 #define __NR_geteuid 49 #define __NR_getegid 50 #define __NR_readlink 58 #define __NR_mmap 71 #define __NR_munmap 73 #define __NR_stat 38 #define __NR_mprotect 74 /* 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. */ #define _syscall0(type,name) \ type name(void) \ { \ long __res; \ register long __g1 __asm__ ("g1") = __NR_##name; \ __asm__ __volatile__ ("t 0x10\n\t" \ "bcc 1f\n\t" \ "mov %%o0, %0\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "1:\n\t" \ : "=r" (__res)\ : "r" (__g1) \ : "o0", "cc"); \ if (__res < -255 || __res >= 0) \ return (type) __res; \ /*errno = -__res; */\ return -1; \ } #define _syscall1(type,name,type1,arg1) \ type name(type1 arg1) \ { \ long __res; \ register long __g1 __asm__ ("g1") = __NR_##name; \ register long __o0 __asm__ ("o0") = (long)(arg1); \ __asm__ __volatile__ ("t 0x10\n\t" \ "bcc 1f\n\t" \ "mov %%o0, %0\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "1:\n\t" \ : "=r" (__res), "=&r" (__o0) \ : "1" (__o0), "r" (__g1) \ : "cc"); \ if (__res < -255 || __res >= 0) \ return (type) __res; \ /*errno = -__res;*/ \ return -1; \ } #define _syscall2(type,name,type1,arg1,type2,arg2) \ type name(type1 arg1,type2 arg2) \ { \ long __res; \ register long __g1 __asm__ ("g1") = __NR_##name; \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ __asm__ __volatile__ ("t 0x10\n\t" \ "bcc 1f\n\t" \ "mov %%o0, %0\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "1:\n\t" \ : "=r" (__res), "=&r" (__o0) \ : "1" (__o0), "r" (__o1), "r" (__g1) \ : "cc"); \ if (__res < -255 || __res >= 0) \ return (type) __res; \ /*errno = -__res;*/ \ return -1; \ } #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ type name(type1 arg1,type2 arg2,type3 arg3) \ { \ long __res; \ register long __g1 __asm__ ("g1") = __NR_##name; \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ __asm__ __volatile__ ("t 0x10\n\t" \ "bcc 1f\n\t" \ "mov %%o0, %0\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "1:\n\t" \ : "=r" (__res), "=&r" (__o0) \ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \ : "cc"); \ if (__res < -255 || __res>=0) \ return (type) __res; \ /*errno = -__res;*/ \ return -1; \ } #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ { \ long __res; \ register long __g1 __asm__ ("g1") = __NR_##name; \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ register long __o3 __asm__ ("o3") = (long)(arg4); \ __asm__ __volatile__ ("t 0x10\n\t" \ "bcc 1f\n\t" \ "mov %%o0, %0\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "1:\n\t" \ : "=r" (__res), "=&r" (__o0) \ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \ : "cc"); \ if (__res < -255 || __res>=0) \ return (type) __res; \ /*errno = -__res;*/ \ return -1; \ } #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) \ { \ long __res; \ register long __g1 __asm__ ("g1") = __NR_##name; \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ register long __o3 __asm__ ("o3") = (long)(arg4); \ register long __o4 __asm__ ("o4") = (long)(arg5); \ __asm__ __volatile__ ("t 0x10\n\t" \ "bcc 1f\n\t" \ "mov %%o0, %0\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "1:\n\t" \ : "=r" (__res), "=&r" (__o0) \ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \ : "cc"); \ if (__res < -255 || __res>=0) \ return (type) __res; \ /*errno = -__res; */\ return -1; \ }
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