libc: syscall: make aliases WEAK by default
make all syscall functions overridable Signed-off-by: Pavlo Hamov <pavlo_hamov@jabil.com>
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parent
023e78da87
commit
03baef9975
1 changed files with 12 additions and 12 deletions
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@ -174,7 +174,7 @@ int _read(int fd, char *buf, int nbytes)
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return z_impl_zephyr_read_stdin(buf, nbytes);
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}
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FUNC_ALIAS(_read, read, int);
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__weak FUNC_ALIAS(_read, read, int);
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int _write(int fd, const void *buf, int nbytes)
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{
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@ -182,25 +182,25 @@ int _write(int fd, const void *buf, int nbytes)
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return z_impl_zephyr_write_stdout(buf, nbytes);
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}
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FUNC_ALIAS(_write, write, int);
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__weak FUNC_ALIAS(_write, write, int);
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int _open(const char *name, int mode)
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{
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return -1;
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}
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FUNC_ALIAS(_open, open, int);
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__weak FUNC_ALIAS(_open, open, int);
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int _close(int file)
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{
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return -1;
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}
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FUNC_ALIAS(_close, close, int);
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__weak FUNC_ALIAS(_close, close, int);
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int _lseek(int file, int ptr, int dir)
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{
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return 0;
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}
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FUNC_ALIAS(_lseek, lseek, int);
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__weak FUNC_ALIAS(_lseek, lseek, int);
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#else
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extern ssize_t write(int file, const char *buffer, size_t count);
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#define _write write
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@ -210,28 +210,28 @@ int _isatty(int file)
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{
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return 1;
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}
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FUNC_ALIAS(_isatty, isatty, int);
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__weak FUNC_ALIAS(_isatty, isatty, int);
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int _kill(int i, int j)
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{
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return 0;
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}
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FUNC_ALIAS(_kill, kill, int);
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__weak FUNC_ALIAS(_kill, kill, int);
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int _getpid(void)
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{
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return 0;
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}
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FUNC_ALIAS(_getpid, getpid, int);
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__weak FUNC_ALIAS(_getpid, getpid, int);
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int _fstat(int file, struct stat *st)
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{
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st->st_mode = S_IFCHR;
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return 0;
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}
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FUNC_ALIAS(_fstat, fstat, int);
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__weak FUNC_ALIAS(_fstat, fstat, int);
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void _exit(int status)
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__weak void _exit(int status)
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{
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_write(1, "exit\n", 5);
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while (1) {
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@ -264,9 +264,9 @@ void *_sbrk(int count)
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return ret;
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}
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FUNC_ALIAS(_sbrk, sbrk, void *);
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__weak FUNC_ALIAS(_sbrk, sbrk, void *);
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int *__errno(void)
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__weak int *__errno(void)
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{
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return z_errno();
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}
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