mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-25 21:24:08 +08:00
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: Steven Rostedt <srostedt@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
0da85c09b4
commit
42e007d040
@ -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;
|
||||
}
|
||||
|
Loading…
Reference in New Issue
Block a user