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Fixup declaration for _kill, add other missing syscalls, populate errno. (#11608)

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Nick Brassel 2021-01-20 01:23:03 +11:00 committed by GitHub
parent 62f304a225
commit 49dcc824db
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1 changed files with 51 additions and 38 deletions
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89
tmk_core/common/chibios/syscall-fallbacks.c
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@ -14,76 +14,89 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
__attribute__((weak, used)) int _read_r(struct _reent *r, int file, char *ptr, int len) {
(void)r;
(void)file;
(void)ptr;
(void)len;
__attribute__((weak, used)) int _open_r(struct _reent *r, const char *path, int flag, int m) {
__errno_r(r) = ENOENT;
return -1;
}
__attribute__((weak, used)) int _lseek_r(struct _reent *r, int file, int ptr, int dir) {
(void)r;
(void)file;
(void)ptr;
(void)dir;
return 0;
__errno_r(r) = EBADF;
return -1;
}
__attribute__((weak, used)) int _read_r(struct _reent *r, int file, char *ptr, int len) {
__errno_r(r) = EBADF;
return -1;
}
__attribute__((weak, used)) int _write_r(struct _reent *r, int file, char *ptr, int len) {
(void)r;
(void)file;
(void)ptr;
return len;
__errno_r(r) = EBADF;
return -1;
}
__attribute__((weak, used)) int _close_r(struct _reent *r, int file) {
(void)r;
(void)file;
__errno_r(r) = EBADF;
return -1;
}
__attribute__((weak, used)) int _link_r(struct _reent *r, const char *oldpath, const char *newpath) {
__errno_r(r) = EPERM;
return -1;
}
__attribute__((weak, used)) int _unlink_r(struct _reent *r, const char *path) {
__errno_r(r) = EPERM;
return -1;
}
__attribute__((weak, used)) clock_t _times_r(struct _reent *r, void *t) {
__errno_r(r) = EFAULT;
return -1;
}
__attribute__((weak, used)) int _fstat_r(struct _reent *r, int file, struct stat *st) {
__errno_r(r) = EBADF;
return -1;
}
__attribute__((weak, used)) int _isatty_r(struct _reent *r, int fd) {
__errno_r(r) = EBADF;
return 0;
}
__attribute__((weak, used)) caddr_t _sbrk_r(struct _reent *r, int incr) {
(void)r;
(void)incr;
__errno_r(r) = ENOMEM;
return (caddr_t)-1;
}
__attribute__((weak, used)) int _fstat_r(struct _reent *r, int file, struct stat *st) {
(void)r;
(void)file;
(void)st;
return 0;
__attribute__((weak, used)) int _kill(int pid, int sig) {
errno = EPERM;
return -1;
}
__attribute__((weak, used)) int _isatty_r(struct _reent *r, int fd) {
(void)r;
(void)fd;
return 1;
}
__attribute__((weak, used)) void _fini(void) { return; }
__attribute__((weak, used)) pid_t _getpid(void) { return 1; }
__attribute__((weak, noreturn)) void _exit(int i) {
(void)i;
__attribute__((weak, used)) void _fini(void) { return; }
__attribute__((weak, used, noreturn)) void _exit(int i) {
while (1)
;
}
__attribute__((weak)) void _kill(void) {}
__attribute__((weak, used)) int _gettimeofday_r(struct _reent *r, struct timeval *t, void *tzp) {
__errno_r(r) = EPERM;
return -1;
}
__attribute__((weak)) void *__dso_handle;
__attribute__((weak, used)) void *__dso_handle;
void __cxa_pure_virtual(void);
__attribute__((weak)) void __cxa_pure_virtual() {
__attribute__((weak, used)) void __cxa_pure_virtual(void) {
while (1)
;
}