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SubjectRe: [PATCH v2 2/6] mips dynamic function tracer support

On Fri, 29 May 2009, wuzhangjin@gmail.com wrote:
> diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
> index 409596e..a5d2ace 100755
> --- a/scripts/recordmcount.pl
> +++ b/scripts/recordmcount.pl
> @@ -213,6 +213,17 @@ if ($arch eq "x86_64") {
> if ($is_module eq "0") {
> $cc .= " -mconstant-gp";
> }
> +
> +} elsif ($arch eq "mips") {
> + $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$";
> + $ld .= " -melf".$bits."btsmip";
> +
> + $cc .= " -mno-abicalls -fno-pic ";
> +
> + if ($bits == 64) {
> + $type = ".dword";
> + }
> +
> } else {
> die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
> }
> @@ -441,12 +452,12 @@ if ($#converts >= 0) {
> #
> # Step 5: set up each local function as a global
> #
> - `$objcopy $globallist $inputfile $globalobj`;
> + `$objcopy $globallist $inputfile $globalobj 2>&1 >/dev/null`;
>
> #
> # Step 6: Link the global version to our list.
> #
> - `$ld -r $globalobj $mcount_o -o $globalmix`;
> + `$ld -r $globalobj $mcount_o -o $globalmix 2>&1 >/dev/null`;

We still need to find out why these are giving errors. I don't like the
idea of hiding errors that might be useful. The better way is to change
the code to avoid having any warnings or errors.

-- Steve


>
> #
> # Step 7: Convert the local functions back into local symbols
> @@ -454,7 +465,7 @@ if ($#converts >= 0) {
> `$objcopy $locallist $globalmix $inputfile`;
>
> # Remove the temp files
> - `$rm $globalobj $globalmix`;
> + `$rm $globalobj $globalmix 2>&1 >/dev/null`;
>
> } else {
>
> --
> 1.6.0.4
>
>


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