HG_REPOSITORIES/LPP/INSTRUMENTATION/libuc2 Files · examples/STM32F4Discovery/TestSpi/syscalls.c

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             syscalls.c
        
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      #include <stdlib.h>

      #include <errno.h>

      #include <string.h>

      #include <sys/stat.h>

      #include <sys/types.h>

      #include <sys/times.h>

      #undef errno

      #ifdef __cplusplus

      extern "C" {

      #endif

      extern int errno;

      char *__env[1] = { 0 };

      char **environ = __env;

      int _exit() 

      {

      	while(1);

      }

      int _close(int file) {

      return -1;

      }

      int _write(int file, char *ptr, int len) {

      int todo;

      for (todo = 0; todo < len; todo++) {

      //outbyte (*ptr++);

      }

      return len;

      }

      int _execve(char *name, char **argv, char **env) {

      errno = ENOMEM;

      return -1;

      }

      int _fork(void) {

      errno = EAGAIN;

      return -1;

      }

      int _fstat(int file, struct stat *st) {

      st->st_mode = S_IFCHR;

      return 0;

      }

      int _getpid(void) {

      return 1;

      }

      int _isatty(int file) {

      return 1;

      }

      int _kill(int pid, int sig) {

      errno = EINVAL;

      return -1;

      }

      int _link(char *old, char *new) {

      errno = EMLINK;

      return -1;

      }

      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 0;

      }

      caddr_t _sbrk(int incr) {

      register char * stack_ptr __asm__ ("sp");

      extern char _end; /* Defined by the linker */

      static char *heap_end;

      char *prev_heap_end;

      if (heap_end == 0) {

      heap_end = &_end;

      }

      prev_heap_end = heap_end;

      if (heap_end + incr > stack_ptr) {

      _write (1, "Heap and stack collision\n", 25);

      abort ();

      }

      heap_end += incr;

      return (caddr_t) prev_heap_end;

      }

      int _stat(char *file, struct stat *st) {

      st->st_mode = S_IFCHR;

      return 0;

      }

      int _times(struct tms *buf) {

      return -1;

      }

      int _unlink(char *name) {

      errno = ENOENT;

      return -1;

      }

      int _wait(int *status) {

      errno = ECHILD;

      return -1;

      }

      #ifdef __cplusplus

      }

      #endif

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				#include <stdlib.h>
				#include <errno.h>
				#include <string.h>
				#include <sys/stat.h>
				#include <sys/types.h>
				#include <sys/times.h>

				#undef errno


				#ifdef __cplusplus
				extern "C" {
				#endif
				extern int errno;

				char *__env[1] = { 0 };
				char **environ = __env;

				int _exit()
				{
				while(1);
				}

				int _close(int file) {
				return -1;
				}

				int _write(int file, char *ptr, int len) {
				int todo;
				for (todo = 0; todo < len; todo++) {
				//outbyte (*ptr++);
				}
				return len;
				}

				int _execve(char name, char argv, char *env) {
				errno = ENOMEM;
				return -1;
				}


				int _fork(void) {
				errno = EAGAIN;
				return -1;
				}

				int _fstat(int file, struct stat *st) {
				st->st_mode = S_IFCHR;
				return 0;
				}


				int _getpid(void) {
				return 1;
				}


				int _isatty(int file) {
				return 1;
				}


				int _kill(int pid, int sig) {
				errno = EINVAL;
				return -1;
				}


				int _link(char old, char new) {
				errno = EMLINK;
				return -1;
				}


				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 0;
				}



				caddr_t _sbrk(int incr) {
				register char * stack_ptr __asm__ ("sp");
				extern char _end; /* Defined by the linker */
				static char *heap_end;
				char *prev_heap_end;
				if (heap_end == 0) {
				heap_end = &_end;
				}
				prev_heap_end = heap_end;
				if (heap_end + incr > stack_ptr) {
				_write (1, "Heap and stack collision\n", 25);
				abort ();
				}
				heap_end += incr;
				return (caddr_t) prev_heap_end;
				}



				int _stat(char file, struct stat st) {
				st->st_mode = S_IFCHR;
				return 0;
				}


				int _times(struct tms *buf) {
				return -1;
				}


				int _unlink(char *name) {
				errno = ENOENT;
				return -1;
				}

				int _wait(int *status) {
				errno = ECHILD;
				return -1;
				}


				#ifdef __cplusplus
				}
				#endif