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bsd-user: implement sysctlbyname(2)

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do_freebsd_sysctlbyname needs to translate the 'name' back down to a OID
so we can intercept the special ones. Do that and call the common wrapper
do_freebsd_sysctl_oid.

Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Kyle Evans 2023-02-10 11:16:25 -07:00 • committed by Warner Losh
parent 7adda6de6d
commit 6da777e212
3 changed files with 74 additions and 0 deletions
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3
bsd-user/qemu.h
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@ -255,6 +255,9 @@ int host_to_target_errno(int err);
/* os-sys.c */
abi_long do_freebsd_sysctl(CPUArchState *env, abi_ulong namep, int32_t namelen,
abi_ulong oldp, abi_ulong oldlenp, abi_ulong newp, abi_ulong newlen);
abi_long do_freebsd_sysctlbyname(CPUArchState *env, abi_ulong namep,
int32_t namelen, abi_ulong oldp, abi_ulong oldlenp, abi_ulong newp,
abi_ulong newlen);
abi_long do_freebsd_sysarch(void *cpu_env, abi_long arg1, abi_long arg2);
/* user access */