diff options
| -rw-r--r-- | bsd-user/freebsd/os-syscall.c | 23 | ||||
| -rw-r--r-- | bsd-user/qemu.h | 3 |
2 files changed, 24 insertions, 2 deletions
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c index fc57e32417..597a41c2f5 100644 --- a/bsd-user/freebsd/os-syscall.c +++ b/bsd-user/freebsd/os-syscall.c @@ -45,9 +45,30 @@ void target_set_brk(abi_ulong new_brk) { } -bool is_error(abi_long ret) +/* + * errno conversion. + */ +abi_long get_errno(abi_long ret) { + if (ret == -1) { + return -host_to_target_errno(errno); + } else { + return ret; + } +} +int host_to_target_errno(int err) +{ + /* + * All the BSDs have the property that the error numbers are uniform across + * all architectures for a given BSD, though they may vary between different + * BSDs. + */ + return err; +} + +bool is_error(abi_long ret) +{ return (abi_ulong)ret >= (abi_ulong)(-4096); } diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h index e5742bd6c0..56042ddbc5 100644 --- a/bsd-user/qemu.h +++ b/bsd-user/qemu.h @@ -246,9 +246,10 @@ extern unsigned long target_dflssiz; extern unsigned long target_maxssiz; extern unsigned long target_sgrowsiz; -/* syscall.c */ +/* os-syscall.c */ abi_long get_errno(abi_long ret); bool is_error(abi_long ret); +int host_to_target_errno(int err); /* os-sys.c */ abi_long do_freebsd_sysarch(void *cpu_env, abi_long arg1, abi_long arg2); |