Files
vortex/runtime/src/vx_syscalls.c
2021-06-28 05:43:36 -04:00

91 lines
1.9 KiB
C

#include <sys/stat.h>
#include <newlib.h>
#include <unistd.h>
#include <vx_intrinsics.h>
#include <vx_print.h>
int _close(int file) { return -1; }
int _fstat(int file, struct stat *st) { return -1; }
int _isatty(int file) { return 0; }
int _lseek(int file, int ptr, int dir) { return 0; }
int _open(const char *name, int flags, int mode) { return -1; }
int _read(int file, char *ptr, int len) { return -1; }
caddr_t _sbrk(int incr) { return 0; }
int _write(int file, char *ptr, int len) {
int i;
for (i = 0; i < len; ++i) {
vx_putchar(*ptr++);
}
return len;
}
int _kill(int pid, int sig) { return -1; }
int _getpid() {
return vx_warp_gid();
}
#ifdef HAVE_INITFINI_ARRAY
/* These magic symbols are provided by the linker. */
extern void (*__preinit_array_start []) (void) __attribute__((weak));
extern void (*__preinit_array_end []) (void) __attribute__((weak));
extern void (*__init_array_start []) (void) __attribute__((weak));
extern void (*__init_array_end []) (void) __attribute__((weak));
#ifdef HAVE_INIT_FINI
extern void _init (void);
#endif
/* Iterate over all the init routines. */
void
__libc_init_array (void)
{
size_t count;
size_t i;
count = __preinit_array_end - __preinit_array_start;
for (i = 0; i < count; i++)
__preinit_array_start[i] ();
#ifdef HAVE_INIT_FINI
_init ();
#endif
count = __init_array_end - __init_array_start;
for (i = 0; i < count; i++)
__init_array_start[i] ();
}
#endif
#ifdef HAVE_INITFINI_ARRAY
extern void (*__fini_array_start []) (void) __attribute__((weak));
extern void (*__fini_array_end []) (void) __attribute__((weak));
#ifdef HAVE_INIT_FINI
extern void _fini (void);
#endif
/* Run all the cleanup routines. */
void
__libc_fini_array (void)
{
size_t count;
size_t i;
count = __fini_array_end - __fini_array_start;
for (i = count; i > 0; i--)
__fini_array_start[i-1] ();
#ifdef HAVE_INIT_FINI
_fini ();
#endif
}
#endif