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yaml
---
r: 163331
b: refs/heads/master
c: e460ab2
h: refs/heads/master
i:
  163329: 5033ca8
  163327: 40cb034
v: v3
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Paul Mundt committed Jul 11, 2009
1 parent 770ec94 commit fa14fbe
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Showing 2 changed files with 41 additions and 37 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a470b95e99ea77ef1e307ff181e59a4a16caa4f4
refs/heads/master: e460ab27b6c3ea313762169713086529d5bfb8bc
76 changes: 40 additions & 36 deletions trunk/arch/sh/lib/mcount.S
Original file line number Diff line number Diff line change
@@ -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
Expand Down Expand Up @@ -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()

Expand Down Expand Up @@ -174,8 +179,6 @@ ftrace_caller:
tst r0, r0
bf ftrace_stub

STACK_CHECK()

MCOUNT_ENTER()

.globl ftrace_call
Expand Down Expand Up @@ -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:
Expand Down Expand Up @@ -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 */

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