diff options
Diffstat (limited to 'arch/sh/lib')
| -rw-r--r-- | arch/sh/lib/mcount.S | 76 |
1 files changed, 40 insertions, 36 deletions
diff --git a/arch/sh/lib/mcount.S b/arch/sh/lib/mcount.S index 9e397aafc165..84a57761f17e 100644 --- a/arch/sh/lib/mcount.S +++ b/arch/sh/lib/mcount.S @@ -1,7 +1,7 @@ /* * arch/sh/lib/mcount.S * - * Copyright (C) 2008 Paul Mundt + * Copyright (C) 2008, 2009 Paul Mundt * Copyright (C) 2008, 2009 Matt Fleming * * This file is subject to the terms and conditions of the GNU General Public @@ -86,13 +86,18 @@ .type mcount,@function _mcount: mcount: + STACK_CHECK() + +#ifndef CONFIG_FUNCTION_TRACER + rts + nop +#else #ifndef CONFIG_DYNAMIC_FTRACE mov.l .Lfunction_trace_stop, r0 mov.l @r0, r0 tst r0, r0 bf ftrace_stub #endif - STACK_CHECK() MCOUNT_ENTER() @@ -174,8 +179,6 @@ ftrace_caller: tst r0, r0 bf ftrace_stub - STACK_CHECK() - MCOUNT_ENTER() .globl ftrace_call @@ -211,38 +214,6 @@ ftrace_stub: rts nop -#ifdef CONFIG_STACK_DEBUG - .globl stack_panic -stack_panic: - mov.l .Ldump_stack, r0 - jsr @r0 - nop - - mov.l .Lpanic, r0 - jsr @r0 - mov.l .Lpanic_s, r4 - - rts - nop - - .align 2 -.L_ebss: - .long _ebss -.L_init_thread_union: - .long init_thread_union -.Lpanic: - .long panic -.Lpanic_s: - .long .Lpanic_str -.Ldump_stack: - .long dump_stack - - .section .rodata - .align 2 -.Lpanic_str: - .string "Stack error" -#endif /* CONFIG_STACK_DEBUG */ - #ifdef CONFIG_FUNCTION_GRAPH_TRACER .globl ftrace_graph_caller ftrace_graph_caller: @@ -304,3 +275,36 @@ return_to_handler: .Lftrace_return_to_handler: .long ftrace_return_to_handler #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ +#endif /* CONFIG_FUNCTION_TRACER */ + +#ifdef CONFIG_STACK_DEBUG + .globl stack_panic +stack_panic: + mov.l .Ldump_stack, r0 + jsr @r0 + nop + + mov.l .Lpanic, r0 + jsr @r0 + mov.l .Lpanic_s, r4 + + rts + nop + + .align 2 +.L_ebss: + .long _ebss +.L_init_thread_union: + .long init_thread_union +.Lpanic: + .long panic +.Lpanic_s: + .long .Lpanic_str +.Ldump_stack: + .long dump_stack + + .section .rodata + .align 2 +.Lpanic_str: + .string "Stack error" +#endif /* CONFIG_STACK_DEBUG */ |