From fe9bdaedffbb26dfc4339908babc517cec0872b2 Mon Sep 17 00:00:00 2001 From: Ralf Corsepius Date: Sat, 20 Aug 2011 05:34:22 +0000 Subject: =?UTF-8?q?2011-08-19=20=20Ralf=20Cors=C3=A9pius=20?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * libc/sys/rtems/crt0.c: Rework RTEMS_STUB macro. Include . Remove C++-style comments. Remove hppa, a29k. Add clock_gettime, gettimeofday, sched_yield. --- newlib/ChangeLog | 8 +++ newlib/libc/sys/rtems/crt0.c | 159 +++++++++++++++++-------------------------- 2 files changed, 72 insertions(+), 95 deletions(-) diff --git a/newlib/ChangeLog b/newlib/ChangeLog index 143b02af3..41bf811ba 100644 --- a/newlib/ChangeLog +++ b/newlib/ChangeLog @@ -1,3 +1,11 @@ +2011-08-19 Ralf Corsépius + + * libc/sys/rtems/crt0.c: Rework RTEMS_STUB macro. + Include . + Remove C++-style comments. + Remove hppa, a29k. + Add clock_gettime, gettimeofday, sched_yield. + 2011-08-19 Ralf Corsépius * libc/stdio/vasiprintf.c: Include "local.h" for "_svfiprintf_r". diff --git a/newlib/libc/sys/rtems/crt0.c b/newlib/libc/sys/rtems/crt0.c index 30b121946..1565859c3 100644 --- a/newlib/libc/sys/rtems/crt0.c +++ b/newlib/libc/sys/rtems/crt0.c @@ -12,20 +12,21 @@ #include -#include // sigset_t -#include // struct timespec +#include /* sigset_t */ +#include /* struct timespec */ +#include /* isatty */ void rtems_provides_crt0( void ) {} /* dummy symbol so file always has one */ -#define RTEMS_STUB(ret, func) \ -ret rtems_stub_##func {}; \ -ret func +#define RTEMS_STUB(ret, func, body) \ +ret rtems_stub_##func body; \ +ret func body /* 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* ptr)) { ; } -RTEMS_STUB(_PTR, calloc(size_t s1, size_t s2)) {} +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* ptr), { }) +RTEMS_STUB(_PTR, calloc(size_t s1, size_t s2), { return 0; }) #if defined(__GNUC__) /* @@ -49,90 +50,93 @@ 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; } +RTEMS_STUB(int, clock_gettime(clockid_t clk_id, struct timespec *tp), { return -1; }) +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(int, gettimeofday(struct timeval *tv, struct timezone *tz), { return -1; }) +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, sched_yield(void), { 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; } +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; } +RTEMS_STUB(_ssize_t, write (int fd, const void *buf, size_t nbytes), { return -1; }) /* stubs for functions from reent.h */ -RTEMS_STUB(int, _close_r (struct _reent *r, int fd)) { 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; } +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; } +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; } +RTEMS_STUB(int, _fork_r (struct _reent *r), { return -1; }) #endif #endif -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; } +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; } +RTEMS_STUB(int, _link_r (struct _reent *r, const char *oldpath, const char *newpath), { return -1; }) #endif -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; } +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; } +RTEMS_STUB(void *,_sbrk_r (struct _reent *r, ptrdiff_t addr), { return 0; }) #endif -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; } +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; } +RTEMS_STUB(int, _wait_r (struct _reent *r, int *status), { return -1; }) #endif -RTEMS_STUB(_ssize_t, _write_r (struct _reent *r, int fd, const void *buf, size_t nbytes)) { return -1; } +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); } +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; } +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)) {} +RTEMS_STUB(_PTR, _realloc_r(struct _reent *r, _PTR p, size_t s), { return 0; }) +RTEMS_STUB(_PTR, _calloc_r(struct _reent *r, size_t s1, size_t s2), { return 0; }) +RTEMS_STUB(_PTR, _malloc_r(struct _reent * r, size_t s), { return 0; }) +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)) {} +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. */ @@ -154,41 +158,6 @@ RTEMS_STUB(void, __assert_func(const char *file, int line, const char *failedexp int __EH_FRAME_BEGIN__; #endif -/* The hppa expects this to be defined in the real crt0.s. - * Also for some reason, the hppa1.1 does not find atexit() - * during the AC_PROG_CC tests. - */ - -#if defined(__hppa__) -/* - asm ( ".subspa \$GLOBAL\$,QUAD=1,ALIGN=8,ACCESS=0x1f,SORT=40"); - asm ( ".export \$global\$" ); - asm ( "\$global\$:"); -*/ - - asm (".text"); - asm (".global"); - asm (".EXPORT $$dyncall,ENTRY"); - asm ("$$dyncall:"); - int atexit(void (*function)(void)) { return 0; } -#endif - - -/* - * The AMD a29k generates code expecting the following. - */ - -#if defined(_AM29000) || defined(_AM29K) -asm (".global V_SPILL, V_FILL" ); -asm (".global V_EPI_OS, V_BSD_OS" ); - -asm (".equ V_SPILL, 64" ); -asm (".equ V_FILL, 65" ); - -asm (".equ V_BSD_OS, 66" ); -asm (".equ V_EPI_OS, 69" ); -#endif - #if defined(__AVR__) /* * Initial stack pointer address "__stack" -- cgit v1.2.3