[U-Boot-Users] [Ticket#2007011742000303] [PATCH] Add support for generating assembly listin [...]

[OTRS Notification Master]

Hello list,

inside the automatic U-Boot patch tracking system a new ticket
[DNX#2007011742000303] was created:

<snip>
> From: Timur Tabi <timur at freescale.com>
> 
> This patch adds support for generating assembly listing files when
> building
> U-Boot.  When "LISTING=1" is specified on the "make" command line, each 
> compiled .c and .S file will generate a .lst file in the same location
> as
> the corresponding .o file.  Assembly listing files contain the assembly
> instructions and opcodes that the compiler generates.
> 
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
>  Makefile  |    2 +-
>  README    |   15 +++++++++++++++
>  config.mk |   20 +++++++++-----------
>  3 files changed, 25 insertions(+), 12 deletions(-)
> 
> diff --git a/Makefile b/Makefile
> index a973dff..1dbdf4d 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -2302,7 +2302,7 @@ atstk1002_config	:	unconfig
>  clean:
>  	find $(OBJTREE) -type f \
>  		\( -name 'core' -o -name '*.bak' -o -name '*~' \
> -		-o -name '*.o'  -o -name '*.a'  \) -print \
> +		-o -name '*.o'  -o -name '*.a' -o -name '*.lst' \) -print \
>  		| xargs rm -f
>  	rm -f $(obj)examples/hello_world $(obj)examples/timer \
>  	      $(obj)examples/eepro100_eeprom $(obj)examples/sched \
> diff --git a/README b/README
> index ecfd1f8..f6bef2d 100644
> --- a/README
> +++ b/README
> @@ -2425,6 +2425,21 @@ this behavior and build U-Boot to some e
>  Note that the command line "O=" setting overrides the BUILD_DIR
> environment
>  variable.
>  
> +To generate an assembly listing file for each source file (.c and .S),
> add
> +"LISTING=1" on the make command line when building your image:
> +
> +	make LISTING=1 all
> +
> +or
> +
> +	make O=/tmp/build LISTING=1 all
> +
> +A listing file contains the assembly instructions (with opcodes) that
> the 
> +compiler generated when it compiled a source file.  Each listing file
> will be 
> +located in the same place as the corresponding .o file, and it will
> have 
> +a .lst extension.  Listing files are useful when you want to examine
> the
> +compiler's output, which may not be what you expect.  They are also
> useful
> +with hardware debuggers that do not support source code.
>  
>  Please be aware that the Makefiles assume you are using GNU make, so
>  for instance on NetBSD you might need to use "gmake" instead of
> diff --git a/config.mk b/config.mk
> index 6e280bc..a3c88c7 100644
> --- a/config.mk
> +++ b/config.mk
> @@ -224,22 +224,20 @@ export	TEXT_BASE PLATFORM_CPPFLAGS PLATF
>  
>  #########################################################################
>  
> -ifndef REMOTE_BUILD
> -
> -%.s:	%.S
> -	$(CPP) $(AFLAGS) -o $@ $<
> -%.o:	%.S
> -	$(CC) $(AFLAGS) -c -o $@ $<
> -%.o:	%.c
> -	$(CC) $(CFLAGS) -c -o $@ $<
> -
> -else
> -
>  $(obj)%.s:	%.S
>  	$(CPP) $(AFLAGS) -o $@ $<
> +
>  $(obj)%.o:	%.S
> +ifdef LISTING
> +	$(CC) $(AFLAGS) -Wa,-alds=$(@D)/$(*F).lst -c -o $@ $<
> +else
>  	$(CC) $(AFLAGS) -c -o $@ $<
> +endif
> +
>  $(obj)%.o:	%.c
> +ifdef LISTING
> +	$(CC) $(CFLAGS) -Wa,-alds=$(@D)/$(*F).lst -c -o $@ $<
> +else
>  	$(CC) $(CFLAGS) -c -o $@ $<
>  endif
>  
> -- 
</snip>

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