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[PATCH 04/11] bsd-user: Implement chdir and fchdir
From: |
Warner Losh |
Subject: |
[PATCH 04/11] bsd-user: Implement chdir and fchdir |
Date: |
Sun, 12 Jun 2022 14:48:44 -0600 |
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
bsd-user/bsd-file.h | 20 ++++++++++++++++++++
bsd-user/freebsd/os-syscall.c | 8 ++++++++
2 files changed, 28 insertions(+)
diff --git a/bsd-user/bsd-file.h b/bsd-user/bsd-file.h
index 37b3efccd2c..8e5d302972c 100644
--- a/bsd-user/bsd-file.h
+++ b/bsd-user/bsd-file.h
@@ -315,4 +315,24 @@ static abi_long do_bsd_faccessat(abi_long arg1, abi_long
arg2,
return ret;
}
+/* chdir(2) */
+static abi_long do_bsd_chdir(abi_long arg1)
+{
+ abi_long ret;
+ void *p;
+
+ LOCK_PATH(p, arg1);
+ ret = get_errno(chdir(p)); /* XXX path(p)? */
+ UNLOCK_PATH(p, arg1);
+
+ return ret;
+}
+
+/* fchdir(2) */
+static abi_long do_bsd_fchdir(abi_long arg1)
+{
+
+ return get_errno(fchdir(arg1));
+}
+
#endif /* BSD_FILE_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 7b7af914e49..8698db358c1 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -301,6 +301,14 @@ static abi_long freebsd_syscall(void *cpu_env, int num,
abi_long arg1,
ret = do_bsd_faccessat(arg1, arg2, arg3, arg4);
break;
+ case TARGET_FREEBSD_NR_chdir: /* chdir(2) */
+ ret = do_bsd_chdir(arg1);
+ break;
+
+ case TARGET_FREEBSD_NR_fchdir: /* fchdir(2) */
+ ret = do_bsd_fchdir(arg1);
+ break;
+
default:
qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
ret = -TARGET_ENOSYS;
--
2.33.1
- [PATCH 00/11] bsd-user: Next round of syscalls, Warner Losh, 2022/06/12
- [PATCH 02/11] bsd-user: Implement fdatasync, fsync and close_from, Warner Losh, 2022/06/12
- [PATCH 01/11] bsd-user: Implement open, openat and close, Warner Losh, 2022/06/12
- [PATCH 03/11] bsd-user: Implement revoke, access, eaccess and faccessat, Warner Losh, 2022/06/12
- [PATCH 04/11] bsd-user: Implement chdir and fchdir,
Warner Losh <=
- [PATCH 05/11] bsd-user: Implement rename and renameat, Warner Losh, 2022/06/12
- [PATCH 06/11] bsd-user: Implement link, linkat, unlink and unlinkat, Warner Losh, 2022/06/12
- [PATCH 08/11] bsd-user: Implement rmdir and undocumented -_getcwd, Warner Losh, 2022/06/12
- [PATCH 09/11] bsd-user: Implement dup and dup2, Warner Losh, 2022/06/12