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Commit 51f26773 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes 

* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes:
  kbuild: create the source symlink earlier in the objdir
  scripts: add x86 64 bit support to the markup_oops.pl script
  scripts: add x86 register parser to markup_oops.pl
  kbuild: add sys_* entries for syscalls in tags
  kbuild: fix tags generation of config symbols
  bootgraph: fix for use with dot symbols
  kbuild: add vmlinux to kernel rpm
  kbuild,setlocalversion: shorten the make time when using svn
parents 59dad0cb 92979997

Makefile

+1 −1
Original line number Diff line number Diff line
@@ -389,6 +389,7 @@ PHONY += outputmakefile 
# output directory.

outputmakefile:

ifneq ($(KBUILD_SRC),)

	$(Q)ln -fsn $(srctree) source

	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \

	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)

endif
@@ -946,7 +947,6 @@ ifneq ($(KBUILD_SRC),) 
	    mkdir -p include2;                                          \

	    ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm;     \

	fi

	ln -fsn $(srctree) source

endif



# prepare2 creates a makefile if using a separate output directory

scripts/bootgraph.pl

+2 −2
Original line number Diff line number Diff line
@@ -51,7 +51,7 @@ my %pidctr; 


while (<>) {

	my $line = $_;

	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_]+)\+/) {

	if ($line =~ /([0-9\.]+)\] calling  ([a-zA-Z0-9\_\.]+)\+/) {

		my $func = $2;

		if ($done == 0) {

			$start{$func} = $1;
@@ -87,7 +87,7 @@ while (<>) { 
		$count = $count + 1;

	}



	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) {

	if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_\.]+)\+.*returned/) {

		if ($done == 0) {

			$end{$2} = $1;

			$maxtime = $1;

scripts/markup_oops.pl

+153 −8
Original line number Diff line number Diff line 
#!/usr/bin/perl -w

#!/usr/bin/perl



use File::Basename;
@@ -29,27 +29,151 @@ my $filename = $vmlinux_name; 
my $target = "0";

my $function;

my $module = "";

my $func_offset;

my $func_offset = 0;

my $vmaoffset = 0;



my %regs;





sub parse_x86_regs

{

	my ($line) = @_;

	if ($line =~ /EAX: ([0-9a-f]+) EBX: ([0-9a-f]+) ECX: ([0-9a-f]+) EDX: ([0-9a-f]+)/) {

		$regs{"%eax"} = $1;

		$regs{"%ebx"} = $2;

		$regs{"%ecx"} = $3;

		$regs{"%edx"} = $4;

	}

	if ($line =~ /ESI: ([0-9a-f]+) EDI: ([0-9a-f]+) EBP: ([0-9a-f]+) ESP: ([0-9a-f]+)/) {

		$regs{"%esi"} = $1;

		$regs{"%edi"} = $2;

		$regs{"%esp"} = $4;

	}

	if ($line =~ /RAX: ([0-9a-f]+) RBX: ([0-9a-f]+) RCX: ([0-9a-f]+)/) {

		$regs{"%eax"} = $1;

		$regs{"%ebx"} = $2;

		$regs{"%ecx"} = $3;

	}

	if ($line =~ /RDX: ([0-9a-f]+) RSI: ([0-9a-f]+) RDI: ([0-9a-f]+)/) {

		$regs{"%edx"} = $1;

		$regs{"%esi"} = $2;

		$regs{"%edi"} = $3;

	}

	if ($line =~ /RBP: ([0-9a-f]+) R08: ([0-9a-f]+) R09: ([0-9a-f]+)/) {

		$regs{"%r08"} = $2;

		$regs{"%r09"} = $3;

	}

	if ($line =~ /R10: ([0-9a-f]+) R11: ([0-9a-f]+) R12: ([0-9a-f]+)/) {

		$regs{"%r10"} = $1;

		$regs{"%r11"} = $2;

		$regs{"%r12"} = $3;

	}

	if ($line =~ /R13: ([0-9a-f]+) R14: ([0-9a-f]+) R15: ([0-9a-f]+)/) {

		$regs{"%r13"} = $1;

		$regs{"%r14"} = $2;

		$regs{"%r15"} = $3;

	}

}



sub reg_name

{

	my ($reg) = @_;

	$reg =~ s/r(.)x/e\1x/;

	$reg =~ s/r(.)i/e\1i/;

	$reg =~ s/r(.)p/e\1p/;

	return $reg;

}



sub process_x86_regs

{

	my ($line, $cntr) = @_;

	my $str = "";

	if (length($line) < 40) {

		return ""; # not an asm istruction

	}



	# find the arguments to the instruction

	if ($line =~ /([0-9a-zA-Z\,\%\(\)\-\+]+)$/) {

		$lastword = $1;

	} else {

		return "";

	}



	# we need to find the registers that get clobbered,

	# since their value is no longer relevant for previous

	# instructions in the stream.



	$clobber = $lastword;

	# first, remove all memory operands, they're read only

	$clobber =~ s/\([a-z0-9\%\,]+\)//g;

	# then, remove everything before the comma, thats the read part

	$clobber =~ s/.*\,//g;



	# if this is the instruction that faulted, we haven't actually done

	# the write yet... nothing is clobbered.

	if ($cntr == 0) {

		$clobber = "";

	}



	foreach $reg (keys(%regs)) {

		my $clobberprime = reg_name($clobber);

		my $lastwordprime = reg_name($lastword);

		my $val = $regs{$reg};

		if ($val =~ /^[0]+$/) {

			$val = "0";

		} else {

			$val =~ s/^0*//;

		}



		# first check if we're clobbering this register; if we do

		# we print it with a =>, and then delete its value

		if ($clobber =~ /$reg/ || $clobberprime =~ /$reg/) {

			if (length($val) > 0) {

				$str = $str . " $reg => $val ";

			}

			$regs{$reg} = "";

			$val = "";

		}

		# now check if we're reading this register

		if ($lastword =~ /$reg/ || $lastwordprime =~ /$reg/) {

			if (length($val) > 0) {

				$str = $str . " $reg = $val ";

			}

		}

	}

	return $str;

}



# parse the oops

while (<STDIN>) {

	my $line = $_;

	if ($line =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {

		$target = $1;

	}

	if ($line =~ /RIP: 0010:\[\<([a-z0-9]+)\>\]/) {

		$target = $1;

	}

	if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {

		$function = $1;

		$func_offset = $2;

	}

	if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\]  \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {

		$function = $1;

		$func_offset = $2;

	}



	# check if it's a module

	if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {

		$module = $3;

	}

	if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\]  \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {

		$module = $3;

	}

	parse_x86_regs($line);

}



my $decodestart = hex($target) - hex($func_offset);

my $decodestop = $decodestart + 8192;

my $decodestop = hex($target) + 8192;

if ($target eq "0") {

	print "No oops found!\n";

	print "Usage: \n";
@@ -84,6 +208,7 @@ my $counter = 0; 
my $state   = 0;

my $center  = 0;

my @lines;

my @reglines;



sub InRange {

	my ($address, $target) = @_;
@@ -188,16 +313,36 @@ while ($finish < $counter) { 


my $i;



my $fulltext = "";



# start annotating the registers in the asm.

# this goes from the oopsing point back, so that the annotator

# can track (opportunistically) which registers got written and

# whos value no longer is relevant.



$i = $center;

while ($i >= $start) {

	$reglines[$i] = process_x86_regs($lines[$i], $center - $i);

	$i = $i - 1;

}



$i = $start;

while ($i < $finish) {

	my $line;

	if ($i == $center) {

		$fulltext = $fulltext . "*$lines[$i]     <----- faulting instruction\n";

		$line =  "*$lines[$i] ";

	} else {

		$fulltext = $fulltext .  " $lines[$i]\n";

		$line =  " $lines[$i] ";

	}

	print $line;

	if (defined($reglines[$i]) && length($reglines[$i]) > 0) {

		my $c = 60 - length($line);

		while ($c > 0) { print " "; $c = $c - 1; };

		print "| $reglines[$i]";

	}

	if ($i == $center) {

		print "<--- faulting instruction";

	}

	print "\n";

	$i = $i +1;

}

print $fulltext;

scripts/package/mkspec

+8 −0
Original line number Diff line number Diff line
@@ -86,6 +86,14 @@ echo "%endif" 
echo 'cp System.map $RPM_BUILD_ROOT'"/boot/System.map-$KERNELRELEASE"



echo 'cp .config $RPM_BUILD_ROOT'"/boot/config-$KERNELRELEASE"



echo "%ifnarch ppc64"

echo 'cp vmlinux vmlinux.orig'

echo 'bzip2 -9 vmlinux'

echo 'mv vmlinux.bz2 $RPM_BUILD_ROOT'"/boot/vmlinux-$KERNELRELEASE.bz2"

echo 'mv vmlinux.orig vmlinux'

echo "%endif"



echo ""

echo "%clean"

echo '#echo -rf $RPM_BUILD_ROOT'

scripts/setlocalversion

+1 −8
Original line number Diff line number Diff line
@@ -58,14 +58,7 @@ fi 
# Check for svn and a svn repo.

if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then

	rev=`echo $rev | awk '{print $NF}'`

	changes=`svn status 2>/dev/null | grep '^[AMD]' | wc -l`



	# Are there uncommitted changes?

	if [ $changes != 0 ]; then

		printf -- '-svn%s%s' "$rev" -dirty

	else

	printf -- '-svn%s' "$rev"

	fi



	# All done with svn

	exit