diff options
Diffstat (limited to 'arch/blackfin/kernel/ftrace-entry.S')
| -rw-r--r-- | arch/blackfin/kernel/ftrace-entry.S | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/blackfin/kernel/ftrace-entry.S b/arch/blackfin/kernel/ftrace-entry.S index db3a51b0af21..d66446b572c0 100644 --- a/arch/blackfin/kernel/ftrace-entry.S +++ b/arch/blackfin/kernel/ftrace-entry.S @@ -115,9 +115,12 @@ ENTRY(_ftrace_graph_caller) [--sp] = r1; [--sp] = rets; - /* prepare_ftrace_return(unsigned long *parent, unsigned long self_addr) */ - r0 = sp; - r1 = rets; + /* prepare_ftrace_return(parent, self_addr, frame_pointer) */ + r0 = sp; /* unsigned long *parent */ + r1 = rets; /* unsigned long self_addr */ +#ifdef CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST + r2 = fp; /* unsigned long frame_pointer */ +#endif r0 += 16; /* skip the 4 local regs on stack */ r1 += -MCOUNT_INSN_SIZE; call _prepare_ftrace_return; @@ -136,6 +139,9 @@ ENTRY(_return_to_handler) [--sp] = r1; /* get original return address */ +#ifdef CONFIG_HAVE_FUNCTION_GRAPH_FP_TEST + r0 = fp; /* Blackfin is sane, so omit this */ +#endif call _ftrace_return_to_handler; rets = r0; |