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[PATCH 22/22] Add stubs for vadvise(), sbrk() and sstk()
From: |
Karim Taha |
Subject: |
[PATCH 22/22] Add stubs for vadvise(), sbrk() and sstk() |
Date: |
Sat, 19 Aug 2023 11:48:06 +0200 |
From: Stacey Son <sson@FreeBSD.org>
The above system calls are not supported by qemu.
Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Karim Taha <kariem.taha2.7@gmail.com>
---
bsd-user/bsd-mem.h | 21 +++++++++++++++++++++
bsd-user/freebsd/os-syscall.c | 12 ++++++++++++
2 files changed, 33 insertions(+)
diff --git a/bsd-user/bsd-mem.h b/bsd-user/bsd-mem.h
index f737b94885..274178bef7 100644
--- a/bsd-user/bsd-mem.h
+++ b/bsd-user/bsd-mem.h
@@ -407,4 +407,25 @@ 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 */
+ qemu_log("qemu: Unsupported syscall vadvise()\n");
+ return -TARGET_ENOSYS;
+}
+
+static inline abi_long do_bsd_sbrk(void)
+{
+ /* see sys_sbrk() in vm_mmap.c */
+ qemu_log("qemu: Unsupported syscall sbrk()\n");
+ return -TARGET_ENOSYS;
+}
+
+static inline abi_long do_bsd_sstk(void)
+{
+ /* see sys_sstk() in vm_mmap.c */
+ qemu_log("qemu: Unsupported syscall sstk()\n");
+ return -TARGET_ENOSYS;
+}
+
#endif /* BSD_USER_BSD_MEM_H */
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index f76bc1eb38..cf4b894fee 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
*/
--
2.40.0
- [PATCH 20/22] Implement shmctl(2), (continued)
[PATCH 22/22] Add stubs for vadvise(), sbrk() and sstk(),
Karim Taha <=