bsd-user/freebsd/os-syscall.c: Implement exit

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>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Kyle Evans <kevans@FreeBSD.org>
This commit is contained in:
Warner Losh 2022-01-31 17:03:30 -07:00
parent 770d8abae7
commit 9554d33076
2 changed files with 49 additions and 0 deletions

42
bsd-user/bsd-proc.h Normal file
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@ -0,0 +1,42 @@
/*
* 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();
_exit(arg1);
return 0;
}
#endif /* !BSD_PROC_H_ */

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@ -41,6 +41,7 @@
#include "user/syscall-trace.h" #include "user/syscall-trace.h"
#include "bsd-file.h" #include "bsd-file.h"
#include "bsd-proc.h"
/* I/O */ /* I/O */
safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes); safe_syscall3(ssize_t, read, int, fd, void *, buf, size_t, nbytes);
@ -215,6 +216,12 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
abi_long ret; abi_long ret;
switch (num) { switch (num) {
/*
* process system calls
*/
case TARGET_FREEBSD_NR_exit: /* exit(2) */
ret = do_bsd_exit(cpu_env, arg1);
break;
/* /*
* File system calls. * File system calls.