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author | Jeff Johnston <jjohnstn@redhat.com> | 2009-12-16 18:28:15 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2009-12-16 18:28:15 +0000 |
commit | 32a08d0e75166f0524b06fbfe32aaa77b8cd5b19 (patch) | |
tree | 844eea1ff6a322fc41014ca123d654e30cd5261e /newlib/libc/sys/rtems/crt0.c | |
parent | beeae48288c9154beadfa7283a77c754df2feff2 (diff) | |
download | newlib-32a08d0e75166f0524b06fbfe32aaa77b8cd5b19.zip newlib-32a08d0e75166f0524b06fbfe32aaa77b8cd5b19.tar.gz newlib-32a08d0e75166f0524b06fbfe32aaa77b8cd5b19.tar.bz2 |
2009-12-16 Ralf Corsépius <ralf.corsepius@rtems.org>
* libc/sys/rtems/machine/_types.h: New (Derived from
machine/_default_types.h).
* libc/sys/rtems/crt0.c: Rework. Introduce macro RTEMS_STUB.
* libc/sys/rtems/sys/param.h:
Update copyright notice from FreeBSD.
Remove HZ.
Add #include <sys/priority.h>
Remove priority handling (moved to sys/priority.h).
Remove CLBYTES (Unused, abandoned in BSD).
* libc/sys/rtems/sys/queue.h: Update copyright (from FreeBSD).
Remove CIRCLEQ_*.
Diffstat (limited to 'newlib/libc/sys/rtems/crt0.c')
-rw-r--r-- | newlib/libc/sys/rtems/crt0.c | 140 |
1 files changed, 91 insertions, 49 deletions
diff --git a/newlib/libc/sys/rtems/crt0.c b/newlib/libc/sys/rtems/crt0.c index c50f80f..b2b1cba 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. */ |