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bsd-user: Implement execve(2) and fexecve(2) system calls.

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Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Message-Id: <20230925182425.3163-23-kariem.taha2.7@gmail.com>
This commit is contained in:
Karim Taha 2023-09-25 21:24:19 +03:00 committed by Warner Losh
parent dcaa3dfda3
commit 36999e6a6b
2 changed files with 59 additions and 1 deletions
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49
bsd-user/freebsd/os-proc.h Normal file
View File

@ -0,0 +1,49 @@
/*
* process related system call shims and definitions
*
* Copyright (c) 2013-14 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_USER_FREEBSD_OS_PROC_H
#define BSD_USER_FREEBSD_OS_PROC_H
#include <sys/param.h>
#include <sys/procctl.h>
#include <sys/signal.h>
#include <sys/types.h>
#include <sys/procdesc.h>
#include <sys/wait.h>
#include <unistd.h>
#include "target_arch_cpu.h"
/* execve(2) */
static inline abi_long do_freebsd_execve(abi_ulong path_or_fd, abi_ulong argp,
abi_ulong envp)
{
return freebsd_exec_common(path_or_fd, argp, envp, 0);
}
/* fexecve(2) */
static inline abi_long do_freebsd_fexecve(abi_ulong path_or_fd, abi_ulong argp,
abi_ulong envp)
{
return freebsd_exec_common(path_or_fd, argp, envp, 1);
}
#endif /* BSD_USER_FREEBSD_OS_PROC_H */

11
bsd-user/freebsd/os-syscall.c
View File

@ -36,8 +36,9 @@
#include "bsd-file.h"
#include "bsd-proc.h"
/* *BSD dependent syscall shims */
/* BSD dependent syscall shims */
#include "os-stat.h"
#include "os-proc.h"
/* I/O */
safe_syscall3(int, open, const char *, path, int, flags, mode_t, mode);
@ -219,6 +220,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
/*
* process system calls
*/
case TARGET_FREEBSD_NR_execve: /* execve(2) */
ret = do_freebsd_execve(arg1, arg2, arg3);
break;
case TARGET_FREEBSD_NR_fexecve: /* fexecve(2) */
ret = do_freebsd_fexecve(arg1, arg2, arg3);
break;
case TARGET_FREEBSD_NR_exit: /* exit(2) */
ret = do_bsd_exit(cpu_env, arg1);
break;