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Kirill Smelkov
linux
Commits
635f0fbb
Commit
635f0fbb
authored
Dec 09, 2002
by
Anton Blanchard
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ppc64: extend ppc_find_proc_name to work on __init functions
parent
302aeebf
Changes
1
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1 changed file
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43 additions
and
30 deletions
+43
-30
arch/ppc64/kernel/process.c
arch/ppc64/kernel/process.c
+43
-30
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arch/ppc64/kernel/process.c
View file @
635f0fbb
...
@@ -388,48 +388,61 @@ void initialize_paca_hardware_interrupt_stack(void)
...
@@ -388,48 +388,61 @@ void initialize_paca_hardware_interrupt_stack(void)
}
}
}
}
extern
char
_stext
[],
_etext
[];
extern
char
_stext
[],
_etext
[]
,
__init_begin
[],
__init_end
[]
;
static
char
*
ppc_find_proc_name
(
unsigned
*
p
,
char
*
buf
,
unsigned
buflen
)
static
char
*
ppc_find_proc_name
(
unsigned
*
p
,
char
*
buf
,
unsigned
buflen
)
{
{
unsigned
long
tb_flags
;
unsigned
long
tb_flags
;
unsigned
short
name_len
;
unsigned
short
name_len
;
unsigned
long
tb_start
,
code_start
,
code_ptr
,
code_offset
;
unsigned
long
tb_start
,
code_start
,
code_ptr
,
code_offset
;
unsigned
code_len
;
unsigned
int
code_len
;
strcpy
(
buf
,
"Unknown"
);
unsigned
long
end
;
strcpy
(
buf
,
"Unknown"
);
code_ptr
=
(
unsigned
long
)
p
;
code_ptr
=
(
unsigned
long
)
p
;
code_offset
=
0
;
code_offset
=
0
;
if
(
(
(
unsigned
long
)
p
>=
(
unsigned
long
)
_stext
)
&&
(
(
unsigned
long
)
p
<=
(
unsigned
long
)
_etext
)
)
{
while
(
(
unsigned
long
)
p
<=
(
unsigned
long
)
_etext
)
{
/* handle functions in text and init sections */
if
(
*
p
==
0
)
{
if
(((
unsigned
long
)
p
>=
(
unsigned
long
)
_stext
)
&&
((
unsigned
long
)
p
<
(
unsigned
long
)
_etext
))
end
=
(
unsigned
long
)
_etext
;
else
if
(((
unsigned
long
)
p
>=
(
unsigned
long
)
__init_begin
)
&&
((
unsigned
long
)
p
<
(
unsigned
long
)
__init_end
))
end
=
(
unsigned
long
)
__init_end
;
else
return
buf
;
while
((
unsigned
long
)
p
<
end
)
{
if
(
*
p
==
0
)
{
tb_start
=
(
unsigned
long
)
p
;
tb_start
=
(
unsigned
long
)
p
;
++
p
;
/* Point to traceback flags */
++
p
;
/* Point to traceback flags */
tb_flags
=
*
((
unsigned
long
*
)
p
);
tb_flags
=
*
((
unsigned
long
*
)
p
);
p
+=
2
;
/* Skip over traceback flags */
p
+=
2
;
/* Skip over traceback flags */
if
(
tb_flags
&
TB_NAME_PRESENT
)
{
if
(
tb_flags
&
TB_NAME_PRESENT
)
{
if
(
tb_flags
&
TB_PARMINFO
)
if
(
tb_flags
&
TB_PARMINFO
)
++
p
;
/* skip over parminfo data */
++
p
;
/* skip over parminfo data */
if
(
tb_flags
&
TB_HAS_TBOFF
)
{
if
(
tb_flags
&
TB_HAS_TBOFF
)
{
code_len
=
*
p
;
/* get code length */
code_len
=
*
p
;
/* get code length */
code_start
=
tb_start
-
code_len
;
code_start
=
tb_start
-
code_len
;
code_offset
=
code_ptr
-
code_start
+
1
;
code_offset
=
code_ptr
-
code_start
+
1
;
if
(
code_offset
>
0x100000
)
if
(
code_offset
>
0x100000
)
break
;
break
;
++
p
;
/* skip over code size */
++
p
;
/* skip over code size */
}
}
name_len
=
*
((
unsigned
short
*
)
p
);
name_len
=
*
((
unsigned
short
*
)
p
);
if
(
name_len
>
(
buflen
-
20
)
)
if
(
name_len
>
(
buflen
-
20
)
)
name_len
=
buflen
-
20
;
name_len
=
buflen
-
20
;
memcpy
(
buf
,
((
char
*
)
p
)
+
2
,
name_len
);
memcpy
(
buf
,
((
char
*
)
p
)
+
2
,
name_len
);
buf
[
name_len
]
=
0
;
buf
[
name_len
]
=
0
;
if
(
code_offset
)
if
(
code_offset
)
sprintf
(
buf
+
name_len
,
"+0x%lx"
,
code_offset
-
1
);
sprintf
(
buf
+
name_len
,
"+0x%lx"
,
code_offset
-
1
);
}
}
break
;
break
;
}
}
++
p
;
++
p
;
}
}
}
return
buf
;
return
buf
;
}
}
...
...
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