From: Randy Dunlap on
On Thu, 3 Jun 2010 21:44:46 +0530 Rabin Vincent wrote:

> 5358db ("scripts: add ARM support to decodecode") added a few bashims to
> the decodecode script, so explicitly ask for bash.
>
> Signed-off-by: Rabin Vincent <rabin(a)rab.in>
> ---
> Alternatively, I have a patch to remove the bashisms, if that's preferred.

Yes, that's what we usually prefer to do.
Please post it.


> scripts/decodecode | 2 +-
> 1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/scripts/decodecode b/scripts/decodecode
> index 8b30cc3..405cfac 100755
> --- a/scripts/decodecode
> +++ b/scripts/decodecode
> @@ -1,4 +1,4 @@
> -#!/bin/sh
> +#!/bin/bash
> # Disassemble the Code: line in Linux oopses
> # usage: decodecode < oops.file
> #
> --


---
~Randy
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From: Rabin Vincent on
On Thu, Jun 03, 2010 at 09:24:58AM -0700, Randy Dunlap wrote:
> On Thu, 3 Jun 2010 21:44:46 +0530 Rabin Vincent wrote:
>
> > 5358db ("scripts: add ARM support to decodecode") added a few bashims to
> > the decodecode script, so explicitly ask for bash.
> >
> > Signed-off-by: Rabin Vincent <rabin(a)rab.in>
> > ---
> > Alternatively, I have a patch to remove the bashisms, if that's preferred.
>
> Yes, that's what we usually prefer to do.
> Please post it.

Here it is:

From f729122bcd237f32c9f667e5644c6114ddc795af Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin(a)rab.in>
Date: Thu, 3 Jun 2010 21:33:46 +0530
Subject: [PATCH] scripts: decodecode: remove bashisms

Remove bashisms to make scripts/decodecode work with other shells.

Signed-off-by: Rabin Vincent <rabin(a)rab.in>
---
scripts/decodecode | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/scripts/decodecode b/scripts/decodecode
index 8b30cc3..18ba881 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -40,7 +40,7 @@ echo $code
code=`echo $code | sed -e 's/.*Code: //'`

width=`expr index "$code" ' '`
-width=$[($width-1)/2]
+width=$((($width-1)/2))
case $width in
1) type=byte ;;
2) type=2byte ;;
@@ -48,10 +48,10 @@ case $width in
esac

disas() {
- ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s &> /dev/null
+ ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s > /dev/null 2>&1

- if [ "$ARCH" == "arm" ]; then
- if [ $width == 2 ]; then
+ if [ "$ARCH" = "arm" ]; then
+ if [ $width -eq 2 ]; then
OBJDUMPFLAGS="-M force-thumb"
fi

@@ -59,7 +59,7 @@ disas() {
fi

${CROSS_COMPILE}objdump $OBJDUMPFLAGS -S $1.o | \
- grep -v "/tmp\|Disassembly\|\.text\|^$" &> $1.dis
+ grep -v "/tmp\|Disassembly\|\.text\|^$" > $1.dis 2>&1
}

marker=`expr index "$code" "\<"`
--
1.7.1

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From: Randy Dunlap on
On Thu, 3 Jun 2010 22:48:12 +0530 Rabin Vincent wrote:

> On Thu, Jun 03, 2010 at 09:24:58AM -0700, Randy Dunlap wrote:
> > On Thu, 3 Jun 2010 21:44:46 +0530 Rabin Vincent wrote:
> >
> > > 5358db ("scripts: add ARM support to decodecode") added a few bashims to
> > > the decodecode script, so explicitly ask for bash.
> > >
> > > Signed-off-by: Rabin Vincent <rabin(a)rab.in>
> > > ---
> > > Alternatively, I have a patch to remove the bashisms, if that's preferred.
> >
> > Yes, that's what we usually prefer to do.
> > Please post it.
>
> Here it is:

Works for me. Thanks.


> From f729122bcd237f32c9f667e5644c6114ddc795af Mon Sep 17 00:00:00 2001
> From: Rabin Vincent <rabin(a)rab.in>
> Date: Thu, 3 Jun 2010 21:33:46 +0530
> Subject: [PATCH] scripts: decodecode: remove bashisms
>
> Remove bashisms to make scripts/decodecode work with other shells.
>
> Signed-off-by: Rabin Vincent <rabin(a)rab.in>
> ---
> scripts/decodecode | 10 +++++-----
> 1 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/scripts/decodecode b/scripts/decodecode
> index 8b30cc3..18ba881 100755
> --- a/scripts/decodecode
> +++ b/scripts/decodecode
> @@ -40,7 +40,7 @@ echo $code
> code=`echo $code | sed -e 's/.*Code: //'`
>
> width=`expr index "$code" ' '`
> -width=$[($width-1)/2]
> +width=$((($width-1)/2))
> case $width in
> 1) type=byte ;;
> 2) type=2byte ;;
> @@ -48,10 +48,10 @@ case $width in
> esac
>
> disas() {
> - ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s &> /dev/null
> + ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s > /dev/null 2>&1
>
> - if [ "$ARCH" == "arm" ]; then
> - if [ $width == 2 ]; then
> + if [ "$ARCH" = "arm" ]; then
> + if [ $width -eq 2 ]; then
> OBJDUMPFLAGS="-M force-thumb"
> fi
>
> @@ -59,7 +59,7 @@ disas() {
> fi
>
> ${CROSS_COMPILE}objdump $OBJDUMPFLAGS -S $1.o | \
> - grep -v "/tmp\|Disassembly\|\.text\|^$" &> $1.dis
> + grep -v "/tmp\|Disassembly\|\.text\|^$" > $1.dis 2>&1
> }
>
> marker=`expr index "$code" "\<"`
> --
> 1.7.1
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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---
~Randy
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From: Rabin Vincent on
On Thu, Jun 03, 2010 at 09:24:58AM -0700, Randy Dunlap wrote:
> On Thu, 3 Jun 2010 21:44:46 +0530 Rabin Vincent wrote:
>
> > 5358db ("scripts: add ARM support to decodecode") added a few bashims to
> > the decodecode script, so explicitly ask for bash.
> >
> > Signed-off-by: Rabin Vincent <rabin(a)rab.in>
> > ---
> > Alternatively, I have a patch to remove the bashisms, if that's preferred.
>
> Yes, that's what we usually prefer to do.
> Please post it.

Here it is:

From f729122bcd237f32c9f667e5644c6114ddc795af Mon Sep 17 00:00:00 2001
From: Rabin Vincent <rabin(a)rab.in>
Date: Thu, 3 Jun 2010 21:33:46 +0530
Subject: [PATCH] scripts: decodecode: remove bashisms

Remove bashisms to make scripts/decodecode work with other shells.

Signed-off-by: Rabin Vincent <rabin(a)rab.in>
---
scripts/decodecode | 10 +++++-----
1 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/scripts/decodecode b/scripts/decodecode
index 8b30cc3..18ba881 100755
--- a/scripts/decodecode
+++ b/scripts/decodecode
@@ -40,7 +40,7 @@ echo $code
code=`echo $code | sed -e 's/.*Code: //'`

width=`expr index "$code" ' '`
-width=$[($width-1)/2]
+width=$((($width-1)/2))
case $width in
1) type=byte ;;
2) type=2byte ;;
@@ -48,10 +48,10 @@ case $width in
esac

disas() {
- ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s &> /dev/null
+ ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s > /dev/null 2>&1

- if [ "$ARCH" == "arm" ]; then
- if [ $width == 2 ]; then
+ if [ "$ARCH" = "arm" ]; then
+ if [ $width -eq 2 ]; then
OBJDUMPFLAGS="-M force-thumb"
fi

@@ -59,7 +59,7 @@ disas() {
fi

${CROSS_COMPILE}objdump $OBJDUMPFLAGS -S $1.o | \
- grep -v "/tmp\|Disassembly\|\.text\|^$" &> $1.dis
+ grep -v "/tmp\|Disassembly\|\.text\|^$" > $1.dis 2>&1
}

marker=`expr index "$code" "\<"`
--
1.7.1

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From: Américo Wang on
On Thu, Jun 03, 2010 at 10:29:03PM +0530, Rabin Vincent wrote:
>On Thu, Jun 03, 2010 at 09:24:58AM -0700, Randy Dunlap wrote:
>> On Thu, 3 Jun 2010 21:44:46 +0530 Rabin Vincent wrote:
>>
>> > 5358db ("scripts: add ARM support to decodecode") added a few bashims to
>> > the decodecode script, so explicitly ask for bash.
>> >
>> > Signed-off-by: Rabin Vincent <rabin(a)rab.in>
>> > ---
>> > Alternatively, I have a patch to remove the bashisms, if that's preferred.
>>
>> Yes, that's what we usually prefer to do.
>> Please post it.
>
>Here it is:
>
>From f729122bcd237f32c9f667e5644c6114ddc795af Mon Sep 17 00:00:00 2001
>From: Rabin Vincent <rabin(a)rab.in>
>Date: Thu, 3 Jun 2010 21:33:46 +0530
>Subject: [PATCH] scripts: decodecode: remove bashisms
>
>Remove bashisms to make scripts/decodecode work with other shells.
>
>Signed-off-by: Rabin Vincent <rabin(a)rab.in>
>---
> scripts/decodecode | 10 +++++-----
> 1 files changed, 5 insertions(+), 5 deletions(-)
>
>diff --git a/scripts/decodecode b/scripts/decodecode
>index 8b30cc3..18ba881 100755
>--- a/scripts/decodecode
>+++ b/scripts/decodecode
>@@ -40,7 +40,7 @@ echo $code
> code=`echo $code | sed -e 's/.*Code: //'`
>
> width=`expr index "$code" ' '`
>-width=$[($width-1)/2]
>+width=$((($width-1)/2))
> case $width in
> 1) type=byte ;;
> 2) type=2byte ;;
>@@ -48,10 +48,10 @@ case $width in
> esac
>
> disas() {
>- ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s &> /dev/null
>+ ${CROSS_COMPILE}as $AFLAGS -o $1.o $1.s > /dev/null 2>&1


I am a bit surprised to see this is bash specific.

Anyway, this patch looks good for me.

Reviewed-by: WANG Cong <xiyou.wangcong(a)gmail.com>

Thanks!
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