toaruos/libc/main.c
2018-02-25 14:13:54 +09:00

102 lines
3.1 KiB
C

#include <stdint.h>
#include <stddef.h>
#include <syscall.h>
#include <syscall_nums.h>
DEFN_SYSCALL1(exit, 0, int);
DEFN_SYSCALL1(print, 1, const char *);
DEFN_SYSCALL3(open, 2, const char *, int, int);
DEFN_SYSCALL3(read, 3, int, char *, int);
DEFN_SYSCALL3(write, 4, int, char *, int);
DEFN_SYSCALL1(close, 5, int);
DEFN_SYSCALL2(gettimeofday, 6, void *, void *);
DEFN_SYSCALL3(execve, 7, char *, char **, char **);
DEFN_SYSCALL0(fork, 8);
DEFN_SYSCALL0(getpid, 9);
DEFN_SYSCALL1(sbrk, 10, int);
DEFN_SYSCALL0(getgraphicsaddress, 11);
DEFN_SYSCALL1(uname, 12, void *);
DEFN_SYSCALL5(openpty, 13, int *, int *, char *, void *, void *);
DEFN_SYSCALL3(lseek, 14, int, int, int);
DEFN_SYSCALL2(fstat, 15, int, void *);
DEFN_SYSCALL1(setgraphicsoffset, 16, int);
DEFN_SYSCALL1(wait, 17, unsigned int);
DEFN_SYSCALL0(getgraphicswidth, 18);
DEFN_SYSCALL0(getgraphicsheight, 19);
DEFN_SYSCALL0(getgraphicsdepth, 20);
DEFN_SYSCALL0(mkpipe, 21);
DEFN_SYSCALL2(dup2, 22, int, int);
DEFN_SYSCALL0(getuid, 23);
DEFN_SYSCALL1(setuid, 24, unsigned int);
DEFN_SYSCALL1(kernel_string_XXX, 25, char *);
DEFN_SYSCALL0(reboot, 26);
DEFN_SYSCALL3(readdir, 27, int, int, void *);
DEFN_SYSCALL1(chdir, 28, char *);
DEFN_SYSCALL2(getcwd, 29, char *, size_t);
DEFN_SYSCALL3(clone, 30, uintptr_t, uintptr_t, void *);
DEFN_SYSCALL1(sethostname, 31, char *);
DEFN_SYSCALL1(gethostname, 32, char *);
DEFN_SYSCALL0(mousedevice, 33);
DEFN_SYSCALL2(mkdir, 34, char *, unsigned int);
DEFN_SYSCALL2(shm_obtain, 35, char *, size_t *);
DEFN_SYSCALL1(shm_release, 36, char *);
DEFN_SYSCALL2(send_signal, 37, uint32_t, uint32_t);
DEFN_SYSCALL2(signal, 38, uint32_t, void *);
DEFN_SYSCALL2(share_fd, 39, int, int);
DEFN_SYSCALL1(get_fd, 40, int);
DEFN_SYSCALL0(gettid, 41);
DEFN_SYSCALL0(yield, 42);
DEFN_SYSCALL2(system_function, 43, int, char **);
DEFN_SYSCALL1(open_serial, 44, int);
DEFN_SYSCALL2(sleepabs, 45, unsigned long, unsigned long);
DEFN_SYSCALL2(nanosleep, 46, unsigned long, unsigned long);
DEFN_SYSCALL3(ioctl, 47, int, int, void *);
DEFN_SYSCALL2(access, 48, char *, int);
DEFN_SYSCALL2(stat, 49, char *, void *);
DEFN_SYSCALL2(chmod, 50, char *, int);
DEFN_SYSCALL1(umask, 51, int);
DEFN_SYSCALL1(unlink, 52, char *);
DEFN_SYSCALL3(waitpid, 53, int, int *, int);
DEFN_SYSCALL1(pipe, 54, int *);
DEFN_SYSCALL5(mount, SYS_MOUNT, char *, char *, char *, unsigned long, void *);
DEFN_SYSCALL2(symlink, SYS_SYMLINK, char *, char *);
DEFN_SYSCALL3(readlink, SYS_READLINK, char *, char *, int);
DEFN_SYSCALL2(lstat, SYS_LSTAT, char *, void *);
DEFN_SYSCALL2(fswait, SYS_FSWAIT, int, int *);
DEFN_SYSCALL3(fswait2, SYS_FSWAIT2, int, int *,int);
DEFN_SYSCALL3(chown, SYS_CHOWN, char *, int, int);
extern void _init();
extern void _fini();
char ** environ;
void _exit(int val){
_fini();
syscall_exit(val);
__builtin_unreachable();
}
void pre_main(int (*main)(int,char**), int argc, char * argv[]) {
unsigned int x = 0;
unsigned int nulls = 0;
for (x = 0; 1; ++x) {
if (!argv[x]) {
++nulls;
if (nulls == 2) {
break;
}
continue;
}
if (nulls == 1) {
environ = &argv[x];
break;
}
}
_init();
_exit(main(argc, argv));
}