Welcome to mirror list, hosted at ThFree Co, Russian Federation.

cygwin.com/git/newlib-cygwin.git - Unnamed repository; edit this file 'description' to name the repository.
summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'newlib/libc/sys/rtems/crt0.c')
-rw-r--r--newlib/libc/sys/rtems/crt0.c140
1 files changed, 91 insertions, 49 deletions
diff --git a/newlib/libc/sys/rtems/crt0.c b/newlib/libc/sys/rtems/crt0.c
index c50f80f0a..b2b1cba50 100644
--- a/newlib/libc/sys/rtems/crt0.c
+++ b/newlib/libc/sys/rtems/crt0.c
@@ -12,15 +12,20 @@
#include <reent.h>
+#include <signal.h> // sigset_t
+#include <time.h> // struct timespec
+
void rtems_provides_crt0( void ) {} /* dummy symbol so file always has one */
-/* RTEMS provides some of its own routines including a Malloc family */
+#define RTEMS_STUB(ret, func) \
+ret rtems_stub_##func {}; \
+ret func
-void *malloc() { return 0; }
-void *realloc() { return 0; }
-void free() { ; }
-void abort() { ; }
-int raise() { return -1; }
+/* RTEMS provides some of its own routines including a Malloc family */
+RTEMS_STUB(void *,malloc(size_t s)) { return 0; }
+RTEMS_STUB(void *,realloc(void* p, size_t s)) { return 0; }
+RTEMS_STUB(void, free(void)) { ; }
+RTEMS_STUB(_PTR, calloc(struct _reent *r, size_t s1, size_t s2)) {}
#if defined(__GNUC__)
/*
@@ -43,54 +48,91 @@ int rtems_gxx_recursive_mutex_trylock() { return -1; }
int rtems_gxx_recursive_mutex_unlock() { return -1; }
#endif
+/* stubs for functions RTEMS provides */
+RTEMS_STUB(int, close (int fd)) { return -1; }
+RTEMS_STUB(int, dup2(int oldfd, int newfd)) { return -1; }
+RTEMS_STUB(int, fcntl( int fd, int cmd, ... /* arg */ )) { return -1; }
+RTEMS_STUB(pid_t, fork(void)) { return -1; }
+RTEMS_STUB(int, fstat(int fd, struct stat *buf)) { return -1; }
+RTEMS_STUB(int, getdents(int fd, void *dp, int count)) { return -1; }
+RTEMS_STUB(char *, getlogin(void)) { return 0; }
+RTEMS_STUB(struct passwd *, getpwnam(const char *name)) { return 0; }
+RTEMS_STUB(struct passwd *, getpwuid(uid_t uid)) { return 0; }
+RTEMS_STUB(uid_t, getuid(void)) { return 0; }
+RTEMS_STUB(int, nanosleep(const struct timespec *req, struct timespec *rem)) { return -1; }
+RTEMS_STUB(_off_t, lseek(int fd, _off_t offset, int whence)) { return -1; }
+RTEMS_STUB(int, lstat(const char *path, struct stat *buf)) { return -1; }
+RTEMS_STUB(int, open(const char *pathname, int flags, int mode)) { return -1; }
+RTEMS_STUB(int, pipe(int pipefd[2])) { return -1; }
+RTEMS_STUB(_ssize_t, read(int fd, void *buf, size_t count)) { return -1; }
+RTEMS_STUB(int, sigfillset(sigset_t *set)) { return -1; }
+RTEMS_STUB(int, sigprocmask(int how, const sigset_t *set, sigset_t *oldset)) { return -1; }
+RTEMS_STUB(int, stat(const char *path, struct stat *buf)) { return -1; }
+RTEMS_STUB(int, unlink(const char *pathname)) { return -1; }
+RTEMS_STUB(pid_t, vfork(void)) { return -1; }
+#if !defined(_NO_POPEN) && !defined(_NO_WORDEXP)
+/* pulled in by libc/sys/posix/popen.c and libc/sys/posix/word*.c */
+RTEMS_STUB(int, waitpid (pid_t pid, int *status, int options)) { return -1; }
+#endif
+RTEMS_STUB(_ssize_t, write (int fd, const void *buf, size_t nbytes)) { return -1; }
+
/* stubs for functions from reent.h */
-int _close_r (struct _reent *r, int fd) { return -1; }
-#if NOT_USED_BY_RTEMS
-int _execve_r (struct _reent *r, char *, char **, char **) { return -1; }
+RTEMS_STUB(int, _close_r (struct _reent *r, int fd)) { return -1; }
+#if defined(_NO_EXECVE)
+RTEMS_STUB(int, _execve_r (struct _reent *r, char *, char **, char **)) { return -1; }
+#endif
+RTEMS_STUB(int, _fcntl_r (struct _reent *ptr, int fd, int cmd, int arg )) { return -1; }
+#if !(defined (REENTRANT_SYSCALLS_PROVIDED) || defined (NO_EXEC))
+#ifndef NO_FORK
+/* cf. newlib/libc/reent/execr.c */
+RTEMS_STUB(int, _fork_r (struct _reent *r)) { return -1; }
+#endif
#endif
-int _fcntl_r ( struct _reent *ptr, int fd, int cmd, int arg ) { return -1;}
-#if NOT_USED_BY_RTEMS
-int _fork_r (struct _reent *r) { return -1; }
+RTEMS_STUB(int, _fstat_r (struct _reent *r, int fd, struct stat *buf)) { return -1; }
+RTEMS_STUB(int, _getpid_r (struct _reent *r)) { return -1; }
+RTEMS_STUB(int, _gettimeofday_r(struct _reent *r, struct timeval *tp, void *tzp)) { return 0; }
+RTEMS_STUB(int, _isatty_r (struct _reent *r, int fd)) { return isatty( fd ); }
+RTEMS_STUB(int, _kill_r (struct _reent *r, int pid, int sig )) { return -1; }
+#if !defined(REENTRANT_SYSCALLS_PROVIDED)
+/* cf. newlib/libc/reent/linkr.c */
+RTEMS_STUB(int, _link_r (struct _reent *, const char *, const char *)) { return -1; }
#endif
-int _fstat_r (struct _reent *r, int fd, struct stat *buf) { return -1; }
-int _getpid_r (struct _reent *r) { return -1; }
-int _kill_r ( struct _reent *r, int pid, int sig ) { return -1; }
-int _link_r ( struct _reent *ptr, const char *existing, const char *new) { return -1; }
-_off_t _lseek_r ( struct _reent *ptr, int fd, _off_t offset, int whence ) { return -1; }
-int _open_r (struct _reent *r, const char *buf, int flags, int mode) { return -1; }
-_ssize_t _read_r (struct _reent *r, int fd, void *buf, size_t nbytes) { return -1; }
-#if NOT_USED_BY_RTEMS
-void *_sbrk_r (struct _reent *r, ptrdiff_t) { return -1; }
+RTEMS_STUB(_off_t, _lseek_r ( struct _reent *ptr, int fd, _off_t offset, int whence )) { return -1; }
+RTEMS_STUB(int, _open_r (struct _reent *r, const char *buf, int flags, int mode)) { return -1; }
+RTEMS_STUB(_ssize_t, _read_r (struct _reent *r, int fd, void *buf, size_t nbytes)) { return -1; }
+RTEMS_STUB(int, _rename_r (struct _reent *r, const char *a, const char *b)){ return -1; }
+#if !(defined (REENTRANT_SYSCALLS_PROVIDED) || defined (MALLOC_PROVIDED))
+/* cf. newlib/libc/reent/sbrkr.c */
+RTEMS_STUB(void *,_sbrk_r (struct _reent *r, ptrdiff_t)) { return -1; }
#endif
-int _stat_r (struct _reent *r, const char *path, struct stat *buf) { return -1; }
-_CLOCK_T_ _times_r (struct _reent *r, struct tms *ptms) { return -1; }
-int _unlink_r (struct _reent *r, const char *path) { return -1; }
-#if NOT_USED_BY_RTEMS
-int _wait_r (struct _reent *r, int *) { return -1; }
+RTEMS_STUB(int, _stat_r (struct _reent *r, const char *path, struct stat *buf)) { return -1; }
+RTEMS_STUB(_CLOCK_T_, _times_r (struct _reent *r, struct tms *ptms)) { return -1; }
+RTEMS_STUB(int, _unlink_r (struct _reent *r, const char *path)) { return -1; }
+#if !(defined (REENTRANT_SYSCALLS_PROVIDED) || defined (NO_EXEC))
+/* cf. newlib/libc/reent/execr.c */
+RTEMS_STUB(int, _wait_r (struct _reent *r, int *)) { return -1; }
#endif
-_ssize_t _write_r (struct _reent *r, int fd, const void *buf, size_t nbytes) { return -1; }
-
-int isatty( int fd ) { return -1; }
-
-_realloc_r() {}
-_calloc_r() {}
-_malloc_r() {}
-_free_r() {}
-
-/* stubs for functions required by libc/posix */
-int getdents(int fd, void *dp, int count) { return -1; }
-struct timespec;
-int nanosleep(const struct timespec *req, struct timespec *rem) { return -1; }
-int _execve(const char *path, char * const *argv, char * const *envp) { return -1; }
-int _exit(int status) { return -1; }
-
-/* gcc can implicitly generate references to these */
-/* strcmp() {} */
-/* strcpy() {} */
-/* strlen() {} */
-/* memcmp() {} */
-/* memcpy() {} */
-/* memset() {} */
+RTEMS_STUB(_ssize_t, _write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)) { return -1; }
+
+
+RTEMS_STUB(int, _execve(const char *path, char * const *argv, char * const *envp)) { return -1; }
+RTEMS_STUB(void, _exit(int status)) { while(1); }
+
+/* Pulled in by newlib/libc/posix/glob.c */
+#ifndef _NO_GLOB
+#ifndef __NETBSD_SYSCALLS
+RTEMS_STUB(int, issetugid (void)) { return 0; }
+#endif
+#endif
+
+/* stdlib.h */
+RTEMS_STUB(_PTR, _realloc_r(struct _reent *r, _PTR p, size_t s)) {}
+RTEMS_STUB(_PTR, _calloc_r(struct _reent *r, size_t s1, size_t s2)) {}
+RTEMS_STUB(_PTR, _malloc_r(struct _reent *r, size_t s)) {}
+RTEMS_STUB(_VOID, _free_r(struct _reent *r, _PTR p)) {}
+
+/* stubs for functions required by libc/stdlib */
+RTEMS_STUB(void, __assert_func(const char *file, int line, const char *failedexpr)) {}
/* The PowerPC expects certain symbols to be defined in the linker script. */