Remove HAVE_STRUCT_TCB_EXT_ARG, ext_arg, and u_lrval

[strace] / unwind.c

diff --git a/unwind.c b/unwind.c
index 238e215d0003c96138d3553ee41016818ee4bea7..326d184ee92b4df3324e61070032bd355ad83239 100644 (file)
--- a/unwind.c
+++ b/unwind.c
@@ -103,6 +103,9 @@ unwind_init(void)
 void
 unwind_tcb_init(struct tcb *tcp)
 {
+       if (tcp->libunwind_ui)
+               return;
+
        tcp->libunwind_ui = _UPT_create(tcp->pid);
        if (!tcp->libunwind_ui)
                die_out_of_memory();