diff options
Diffstat (limited to 'tapset/ucontext-unwind.stp')
-rw-r--r-- | tapset/ucontext-unwind.stp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tapset/ucontext-unwind.stp b/tapset/ucontext-unwind.stp index df275d4b..e1a8ade3 100644 --- a/tapset/ucontext-unwind.stp +++ b/tapset/ucontext-unwind.stp @@ -24,7 +24,8 @@ * Equivalent to <command>print_ustack(ubacktrace())</command>, * except that deeper stack nesting may be supported. Return nothing. */ -function print_ubacktrace () %{ +function print_ubacktrace () %{ /* unprivileged */ + assert_is_myproc(); if (CONTEXT->regs) { _stp_stack_print(CONTEXT->regs, 1, CONTEXT->pi, MAXTRACE, current); @@ -41,7 +42,8 @@ function print_ubacktrace () %{ * string length. Returns empty string when current probe point cannot * determine user backtrace. */ -function ubacktrace:string () %{ /* pure */ +function ubacktrace:string () %{ /* pure */ /* unprivileged */ + assert_is_myproc(); if (CONTEXT->regs) _stp_stack_snprint (THIS->__retvalue, MAXSTRINGLEN, CONTEXT->regs, 0, CONTEXT->pi, MAXTRACE, |