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[PATCH v3 23/23] bsd-user: Add stubs for vadvise(), sbrk() and sstk()
From: |
Karim Taha |
Subject: |
[PATCH v3 23/23] bsd-user: Add stubs for vadvise(), sbrk() and sstk() |
Date: |
Sat, 9 Sep 2023 22:37:04 +0300 |
From: Warner Losh <imp@bsdimp.com>
The above system calls are not supported by qemu.
Signed-off-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
---
bsd-user/bsd-mem.h | 18 ++++++++++++++++++
bsd-user/freebsd/os-syscall.c | 12 ++++++++++++
2 files changed, 30 insertions(+)
diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h
index 8e5f22da5b..847773fc8e 100644
--- a/bsd-user/bsd-mem.h
+++ b/bsd-user/bsd-mem.h
@@ -419,4 +419,22 @@ static inline abi_long do_bsd_shmdt(abi_ulong shmaddr)
return get_errno(shmdt(g2h_untagged(shmaddr)));
}
+static inline abi_long do_bsd_vadvise(void)
+{
+ /* See sys_ovadvise() in vm_unix.c */
+ return -TARGET_EINVAL;
+}
+
+static inline abi_long do_bsd_sbrk(void)
+{
+ /* see sys_sbrk() in vm_mmap.c */
+ return -TARGET_EOPNOTSUPP;
+}
+
+static inline abi_long do_bsd_sstk(void)
+{
+ /* see sys_sstk() in vm_mmap.c */
+ return -TARGET_EOPNOTSUPP;
+}
+
#endif /* BSD_USER_BSD_MEM_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index fe0968773e..9647249e90 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -567,6 +567,18 @@ static abi_long freebsd_syscall(void *cpu_env, int num,
abi_long arg1,
ret = do_bsd_shmdt(arg1);
break;
+ case TARGET_FREEBSD_NR_freebsd11_vadvise:
+ ret = do_bsd_vadvise();
+ break;
+
+ case TARGET_FREEBSD_NR_sbrk:
+ ret = do_bsd_sbrk();
+ break;
+
+ case TARGET_FREEBSD_NR_sstk:
+ ret = do_bsd_sstk();
+ break;
+
/*
* Misc
*/
--
2.42.0
- [PATCH v3 19/23] bsd-user: Implement shm_open(2), (continued)
- [PATCH v3 23/23] bsd-user: Add stubs for vadvise(), sbrk() and sstk(),
Karim Taha <=