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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [sys/] [w65/] [syscalls.c] - Rev 455
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#include <_ansi.h> #include <sys/types.h> #include <sys/stat.h> #include "sys/syscall.h" int errno; int _read (int file, char *ptr, int len) { return __trap3 (SYS_read, file, ptr, len); } int _lseek (int file, int ptr, int dir) { return __trap3 (SYS_lseek, file, ptr, dir); } static writechar (char c) { asm ("lda %0" : : "r" (c)); asm ("wdm"); } int _write ( int file, char *ptr, int len) { return __trap3 (SYS_write, file, ptr, len); } int _close (int file) { return __trap3 (SYS_close, file, 0, 0); } caddr_t _sbrk (int incr) { 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 _fstat (int file, struct stat *st) { st->st_mode = S_IFCHR; return 0; } int _open ( char *path, int flags) { return __trap3 (SYS_open, path, flags, 0); } int _unlink () { return -1; } isatty (fd) int fd; { return 1; } _exit (n) { return __trap3 (SYS_exit, n, 0, 0); } _kill (n, m) { return __trap3 (SYS_exit, 0xdead, 0, 0); } _getpid (n) { return 1; } _raise () { } int _stat (const char *path, struct stat *st) { return _trap3 (SYS_stat, path, st, 0); } int _chmod (const char *path, short mode) { return _trap3 (SYS_chmod, path, mode); } int _chown (const char *path, short owner, short group) { return _trap3 (SYS_chown, path, owner, group); } int _utime (path, times) const char *path; char *times; { return _trap3 (SYS_utime, path, times); } int _fork () { return _trap3 (SYS_fork); } int _wait (statusp) int *statusp; { return _trap3 (SYS_wait); } int _execve (const char *path, char *const argv[], char *const envp[]) { return _trap3 (SYS_execve, path, argv, envp); } int _execv (const char *path, char *const argv[]) { return _trap3 (SYS_execv, path, argv); } int _pipe (int *fd) { return _trap3 (SYS_pipe, fd); }
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