#include /* * 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_geteuid 49 #define __NR_getgid 47 #define __NR_getegid 50 #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. */ #define __syscall_return(type, res) \ do { \ if ((unsigned long)(res) >= (unsigned long)(-125)) { \ /*errno = -(res); */ \ res = -1; \ } \ return (type) (res); \ } while (0) #define _syscall0(type,name) \ type name(void) \ { \ long __res; \ __asm__ volatile ("int $0x80" \ : "=a" (__res) \ : "0" (__NR_##name)); \ __syscall_return(type,__res); \ } #if defined(__PIC__) /* * PIC uses %ebx, so we need to save it during system calls */ #define _syscall1(type,name,type1,arg1) \ type name(type1 arg1) \ { \ long __res; \ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ : "=a" (__res) \ : "0" (__NR_##name),"r" ((long)(arg1))); \ __syscall_return(type,__res); \ } #define _syscall2(type,name,type1,arg1,type2,arg2) \ type name(type1 arg1,type2 arg2) \ { \ long __res; \ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ : "=a" (__res) \ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2))); \ __syscall_return(type,__res); \ } #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ type name(type1 arg1,type2 arg2,type3 arg3) \ { \ long __res; \ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ : "=a" (__res) \ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3))); \ __syscall_return(type,__res); \ } #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ { \ long __res; \ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ : "=a" (__res) \ : "0" (__NR_##name),"r" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3)),"S" ((long)(arg4))); \ __syscall_return(type,__res); \ } #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; \ __asm__ volatile ("push %%ebx; movl %2,%%ebx; int $0x80; pop %%ebx" \ : "=a" (__res) \ : "0" (__NR_##name),"m" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ __syscall_return(type,__res); \ } #else /* not doing __PIC__ */ #define _syscall1(type,name,type1,arg1) \ type name(type1 arg1) \ { \ long __res; \ __asm__ volatile ("int $0x80" \ : "=a" (__res) \ : "0" (__NR_##name),"b" ((long)(arg1))); \ __syscall_return(type,__res); \ } #define _syscall2(type,name,type1,arg1,type2,arg2) \ type name(type1 arg1,type2 arg2) \ { \ long __res; \ __asm__ volatile ("int $0x80" \ : "=a" (__res) \ : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2))); \ __syscall_return(type,__res); \ } #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ type name(type1 arg1,type2 arg2,type3 arg3) \ { \ long __res; \ __asm__ volatile ("int $0x80" \ : "=a" (__res) \ : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3))); \ __syscall_return(type,__res); \ } #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ { \ long __res; \ __asm__ volatile ("int $0x80" \ : "=a" (__res) \ : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3)),"S" ((long)(arg4))); \ __syscall_return(type,__res); \ } #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; \ __asm__ volatile ("int $0x80" \ : "=a" (__res) \ : "0" (__NR_##name),"b" ((long)(arg1)),"c" ((long)(arg2)), \ "d" ((long)(arg3)),"S" ((long)(arg4)),"D" ((long)(arg5))); \ __syscall_return(type,__res); \ } #endif /* __PIC__ */