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bsd-user: Implement chdir and fchdir

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Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Warner Losh 2022-06-12 08:13:34 -06:00
parent 65c6c4c893
commit 390f547ea8
2 changed files with 27 additions and 0 deletions
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19
bsd-user/bsd-file.h
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@ -311,4 +311,23 @@ 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 */

8
bsd-user/freebsd/os-syscall.c
View File

@ -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;