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-rw-r--r--bsd-user/freebsd/os-syscall.c44
1 files changed, 40 insertions, 4 deletions
diff --git a/bsd-user/freebsd/os-syscall.c b/bsd-user/freebsd/os-syscall.c
index 52093d479d..1c4c9983f1 100644
--- a/bsd-user/freebsd/os-syscall.c
+++ b/bsd-user/freebsd/os-syscall.c
@@ -190,16 +190,52 @@ void unlock_iovec(struct iovec *vec, abi_ulong target_addr,
}
/*
- * do_syscall() should always have a single exit point at the end so that
- * actions, such as logging of syscall results, can be performed. All errnos
- * that do_syscall() returns must be -TARGET_<errcode>.
+ * All errnos that freebsd_syscall() returns must be -TARGET_<errcode>.
+ */
+static abi_long freebsd_syscall(void *cpu_env, int num, abi_long arg1,
+ abi_long arg2, abi_long arg3, abi_long arg4,
+ abi_long arg5, abi_long arg6, abi_long arg7,
+ abi_long arg8)
+{
+ abi_long ret;
+
+ switch (num) {
+ default:
+ qemu_log_mask(LOG_UNIMP, "Unsupported syscall: %d\n", num);
+ ret = -TARGET_ENOSYS;
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * do_freebsd_syscall() should always have a single exit point at the end so
+ * that actions, such as logging of syscall results, can be performed. This
+ * as a wrapper around freebsd_syscall() so that actually happens. Since
+ * that is a singleton, modern compilers will inline it anyway...
*/
abi_long do_freebsd_syscall(void *cpu_env, int num, abi_long arg1,
abi_long arg2, abi_long arg3, abi_long arg4,
abi_long arg5, abi_long arg6, abi_long arg7,
abi_long arg8)
{
- return 0;
+ CPUState *cpu = env_cpu(cpu_env);
+ int ret;
+
+ trace_guest_user_syscall(cpu, num, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
+ if (do_strace) {
+ print_freebsd_syscall(num, arg1, arg2, arg3, arg4, arg5, arg6);
+ }
+
+ ret = freebsd_syscall(cpu_env, num, arg1, arg2, arg3, arg4, arg5, arg6,
+ arg7, arg8);
+ if (do_strace) {
+ print_freebsd_syscall_ret(num, ret);
+ }
+ trace_guest_user_syscall_ret(cpu, num, ret);
+
+ return ret;
}
void syscall_init(void)