| Message ID | 20220201111455.52511-23-imp@bsdimp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | bsd-user: Start upstreaming the system calls. | expand |
On Tue, Feb 1, 2022 at 5:15 AM Warner Losh <imp@bsdimp.com> wrote: > > Implement the exit system call. Bring in bsd-proc.h to contain all the > process system call implementation and helper routines. > > Signed-off-by: Stacey Son <sson@FreeBSD.org> > Signed-off-by: Warner Losh <imp@bsdimp.com> > --- > bsd-user/bsd-proc.h | 43 +++++++++++++++++++++++++++++++++++ > bsd-user/freebsd/os-syscall.c | 7 ++++++ > 2 files changed, 50 insertions(+) > create mode 100644 bsd-user/bsd-proc.h > Reviewed-by: Kyle Evans <kevans@FreeBSD.org> > diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h > new file mode 100644 > index 00000000000..8f0b6990d14 > --- /dev/null > +++ b/bsd-user/bsd-proc.h > @@ -0,0 +1,43 @@ > +/* > + * process related system call shims and definitions > + * > + * Copyright (c) 2013-2014 Stacey D. Son > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License as published by > + * the Free Software Foundation; either version 2 of the License, or > + * (at your option) any later version. > + * > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + * > + * You should have received a copy of the GNU General Public License > + * along with this program; if not, see <http://www.gnu.org/licenses/>. > + */ > + > +#ifndef BSD_PROC_H_ > +#define BSD_PROC_H_ > + > +#include <sys/types.h> > +#include <sys/stat.h> > +#include <sys/time.h> > +#include <sys/resource.h> > +#include <unistd.h> > + > +/* exit(2) */ > +static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1) > +{ > +#ifdef TARGET_GPROF > + _mcleanup(); > +#endif > + gdb_exit(arg1); > + qemu_plugin_user_exit(); > + /* XXX: should free thread stack and CPU env here */ > + _exit(arg1); > + > + return 0; > +} > + > +#endif /* !BSD_PROC_H_ */ > diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c > index f52c9e3c306..f66b6a1b1f5 100644 > --- a/bsd-user/freebsd/os-syscall.c > +++ b/bsd-user/freebsd/os-syscall.c > @@ -41,6 +41,7 @@ > #include "user/syscall-trace.h" > > #include "bsd-file.h" > +#include "bsd-proc.h" > > /* I/O */ > safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes); > @@ -227,6 +228,12 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, > } > > switch (num) { > + /* > + * process system calls > + */ > + case TARGET_FREEBSD_NR_exit: /* exit(2) */ > + ret = do_bsd_exit(cpu_env, arg1); > + break; > > /* > * File system calls. > -- > 2.33.1 >
On 2/1/22 22:14, Warner Losh wrote: > Implement the exit system call. Bring in bsd-proc.h to contain all the > process system call implementation and helper routines. > > Signed-off-by: Stacey Son<sson@FreeBSD.org> > Signed-off-by: Warner Losh<imp@bsdimp.com> > --- > bsd-user/bsd-proc.h | 43 +++++++++++++++++++++++++++++++++++ > bsd-user/freebsd/os-syscall.c | 7 ++++++ > 2 files changed, 50 insertions(+) > create mode 100644 bsd-user/bsd-proc.h Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h new file mode 100644 index 00000000000..8f0b6990d14 --- /dev/null +++ b/bsd-user/bsd-proc.h @@ -0,0 +1,43 @@ +/* + * process related system call shims and definitions + * + * Copyright (c) 2013-2014 Stacey D. Son + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef BSD_PROC_H_ +#define BSD_PROC_H_ + +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/time.h> +#include <sys/resource.h> +#include <unistd.h> + +/* exit(2) */ +static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1) +{ +#ifdef TARGET_GPROF + _mcleanup(); +#endif + gdb_exit(arg1); + qemu_plugin_user_exit(); + /* XXX: should free thread stack and CPU env here */ + _exit(arg1); + + return 0; +} + +#endif /* !BSD_PROC_H_ */ diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index f52c9e3c306..f66b6a1b1f5 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -41,6 +41,7 @@ #include "user/syscall-trace.h" #include "bsd-file.h" +#include "bsd-proc.h" /* I/O */ safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes); @@ -227,6 +228,12 @@ abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1, } switch (num) { + /* + * process system calls + */ + case TARGET_FREEBSD_NR_exit: /* exit(2) */ + ret = do_bsd_exit(cpu_env, arg1); + break; /* * File system calls.