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bsd-user: Add stubs for vadvise(), sbrk() and sstk()

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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>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20230925182709.4834-24-kariem.taha2.7@gmail.com>
This commit is contained in:
Warner Losh 2023-09-25 21:27:09 +03:00
parent 4e00b7d85d
commit dfa1d91575
2 changed files with 30 additions and 0 deletions
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18
bsd-user/bsd-mem.h
View file

@ -431,4 +431,22 @@ static inline abi_long do_bsd_shmdt(abi_ulong shmaddr)
return ret;
}
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 */

12
bsd-user/freebsd/os-syscall.c
View file

@ -879,6 +879,18 @@ 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
*/