#ifndef __GBLIBC_SYSCALL_H_ #define __GBLIBC_SYSCALL_H_ #include #define SYS_fork (0x00) #define SYS_write (0x01) #define SYS_sleep (0x02) #define SYS_chdir (0x03) #define SYS_exec (0x04) #define SYS_exit (0x05) #define SYS_wait (0x06) #define SYS_read (0x07) #define SYS_getdents (0x08) #define SYS_open (0x09) #define SYS_getcwd (0x0a) #ifdef __cplusplus extern "C" { #endif static inline uint32_t syscall0(uint32_t no) { asm volatile( "movl %1, %%eax\n" "int $0x80\n" "movl %%eax, %0" : "=g"(no) : "g"(no) : "eax"); return no; } static inline uint32_t syscall1(uint32_t no, uint32_t arg) { asm volatile( "movl %1, %%edi\n" "movl %2, %%eax\n" "int $0x80\n" "movl %%eax, %0" : "=g"(no) : "g"(arg), "g"(no) : "eax", "edi"); return no; } static inline uint32_t syscall2(uint32_t no, uint32_t arg1, uint32_t arg2) { asm volatile( "movl %1, %%edi\n" "movl %2, %%esi\n" "movl %3, %%eax\n" "int $0x80\n" "movl %%eax, %0" : "=g"(no) : "g"(arg1), "g"(arg2), "g"(no) : "eax", "edi", "esi"); return no; } static inline uint32_t syscall3(uint32_t no, uint32_t arg1, uint32_t arg2, uint32_t arg3) { asm volatile( "movl %1, %%edi\n" "movl %2, %%esi\n" "movl %3, %%edx\n" "movl %4, %%eax\n" "int $0x80\n" "movl %%eax, %0" : "=g"(no) : "g"(arg1), "g"(arg2), "g"(arg3), "g"(no) : "eax", "edx", "edi", "esi"); return no; } #ifdef __cplusplus } #endif #endif