Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 42e007d0 authored by Steven Rostedt's avatar Steven Rostedt Committed by Ingo Molnar
Browse files

ftrace: add support for powerpc to recordmcount.pl script 



Impact: Add PowerPC port to recordmcount.pl script

This patch updates the recordmcount.pl script to process
PowerPC.

Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0da85c09

scripts/recordmcount.pl

+17 −2
Original line number Diff line number Diff line
@@ -130,6 +130,7 @@ my %weak; # List of weak functions 
my %convert;		# List of local functions used that needs conversion



my $type;

my $nm_regex;		# Find the local functions (return function)

my $section_regex;	# Find the start of a section

my $function_regex;	# Find the name of a function

			#    (return offset and func name)
@@ -145,6 +146,7 @@ if ($arch eq "x86") { 
}



if ($arch eq "x86_64") {

    $nm_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\S+)";

    $section_regex = "Disassembly of section\\s+(\\S+):";

    $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";

    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount([+-]0x[0-9a-zA-Z]+)?\$";
@@ -158,6 +160,7 @@ if ($arch eq "x86_64") { 
    $cc .= " -m64";



} elsif ($arch eq "i386") {

    $nm_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\S+)";

    $section_regex = "Disassembly of section\\s+(\\S+):";

    $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";

    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$";
@@ -171,6 +174,7 @@ if ($arch eq "x86_64") { 
    $cc .= " -m32";



} elsif ($arch eq "sh") {

    $nm_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\S+)";

    $section_regex = "Disassembly of section\\s+(\\S+):";

    $function_regex = "^([0-9a-fA-F]+)\\s+<(.*?)>:";

    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\smcount\$";
@@ -181,6 +185,17 @@ if ($arch eq "x86_64") { 
    $objcopy .= " -O elf32-sh-linux";

    $cc .= " -m32";



} elsif ($arch eq "powerpc") {

    $nm_regex = "^[0-9a-fA-F]+\\s+t\\s+(\\.?\\S+)";

    $section_regex = "Disassembly of section\\s+(\\S+):";

    $function_regex = "^([0-9a-fA-F]+)\\s+<(\\.?.*?)>:";

    $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s\\.?_mcount\$";

    if ($bits == 64) {

	$type = ".quad";

    } else {

	$type = ".long";

    }



} else {

    die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";

}
@@ -250,7 +265,7 @@ if (!$found_version) { 
#

open (IN, "$nm $inputfile|") || die "error running $nm";

while (<IN>) {

    if (/^[0-9a-fA-F]+\s+t\s+(\S+)/) {

    if (/$nm_regex/) {

	$locals{$1} = 1;

    } elsif (/^[0-9a-fA-F]+\s+([wW])\s+(\S+)/) {

	$weak{$2} = $1;
@@ -302,7 +317,7 @@ sub update_funcs 
	    open(FILE, ">$mcount_s") || die "can't create $mcount_s\n";

	    $opened = 1;

	    print FILE "\t.section $mcount_section,\"a\",\@progbits\n";

	    print FILE "\t.align $alignment\n";

	    print FILE "\t.align $alignment\n" if (defined($alignment));

	}

	printf FILE "\t%s %s + %d\n", $type, $ref_func, $offsets[$i] - $offset;

    }