115 lines
1.8 KiB
C
115 lines
1.8 KiB
C
/* Includes */
|
|
#include <sys/stat.h>
|
|
#include <stdlib.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
#include <sys/times.h>
|
|
|
|
/* Variables */
|
|
//#undef errno
|
|
extern int errno;
|
|
extern int __io_putchar(int ch) __attribute__((weak));
|
|
extern int __io_getchar(void) __attribute__((weak));
|
|
|
|
register char *stack_ptr asm("sp");
|
|
|
|
char *__env[1] = { 0 };
|
|
char **environ = __env;
|
|
|
|
/* Functions */
|
|
void initialise_monitor_handles() {
|
|
}
|
|
|
|
int _getpid(void) {
|
|
return 1;
|
|
}
|
|
|
|
int _kill(int pid, int sig) {
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
void _exit(int status) {
|
|
_kill(status, -1);
|
|
while (1) {
|
|
} /* Make sure we hang here */
|
|
}
|
|
|
|
__attribute__((weak)) int _read(int file, char *ptr, int len) {
|
|
int DataIdx;
|
|
|
|
for (DataIdx = 0; DataIdx < len; DataIdx++) {
|
|
*ptr++ = __io_getchar();
|
|
}
|
|
|
|
return len;
|
|
}
|
|
|
|
__attribute__((weak)) int _write(int file, char *ptr, int len) {
|
|
int DataIdx;
|
|
|
|
for (DataIdx = 0; DataIdx < len; DataIdx++) {
|
|
__io_putchar(*ptr++);
|
|
}
|
|
return len;
|
|
}
|
|
|
|
int _close(int file) {
|
|
return -1;
|
|
}
|
|
|
|
int _fstat(int file, struct stat *st) {
|
|
st->st_mode = S_IFCHR;
|
|
return 0;
|
|
}
|
|
|
|
int _isatty(int file) {
|
|
return 1;
|
|
}
|
|
|
|
int _lseek(int file, int ptr, int dir) {
|
|
return 0;
|
|
}
|
|
|
|
int _open(char *path, int flags, ...) {
|
|
/* Pretend like we always fail */
|
|
return -1;
|
|
}
|
|
|
|
int _wait(int *status) {
|
|
errno = ECHILD;
|
|
return -1;
|
|
}
|
|
|
|
int _unlink(char *name) {
|
|
errno = ENOENT;
|
|
return -1;
|
|
}
|
|
|
|
int _times(struct tms *buf) {
|
|
return -1;
|
|
}
|
|
|
|
int _stat(char *file, struct stat *st) {
|
|
st->st_mode = S_IFCHR;
|
|
return 0;
|
|
}
|
|
|
|
int _link(char *old, char *new) {
|
|
errno = EMLINK;
|
|
return -1;
|
|
}
|
|
|
|
int _fork(void) {
|
|
errno = EAGAIN;
|
|
return -1;
|
|
}
|
|
|
|
int _execve(char *name, char **argv, char **env) {
|
|
errno = ENOMEM;
|
|
return -1;
|
|
}
|