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

diff --git a/Makefile b/Makefile
index 22d758495ad29424f88361e9b1c782e1529bad94..59cf6dacec072b76ac4aee84a424f6e7498cfda5 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -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

diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index b0246307aac497ae36b8266180b48a244c9c374d..12caa822a232eeddc0fc97606fc5002a86a4daf7 100644 (file)
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -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;

diff --git a/scripts/markup_oops.pl b/scripts/markup_oops.pl
index d40449cafa84a44dac9f21c54364913c777ffc6d..528492bcba5bf73e8f809490c9d6d8c8ea821ec8 100644 (file)
--- a/scripts/markup_oops.pl
+++ b/scripts/markup_oops.pl
@@ -1,4 +1,4 @@
-#!/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;
-

diff --git a/scripts/package/mkspec b/scripts/package/mkspec
index 2500886fb90aa0273743cc67ba40da48c6b4fa5c..ee448cdc6a2b3cd47ca22fd94fd0995d5985f9ae 100755 (executable)
--- a/scripts/package/mkspec
+++ b/scripts/package/mkspec
@@ -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'

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index f6946cf99ce1bd0a06f9835157f39d4b2b80e971..f1c4b35bc32428b030f053d46010f21b6812c76f 100755 (executable)
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -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' "$rev"
-       fi
+       printf -- '-svn%s' "$rev"
 
        # All done with svn
        exit

diff --git a/scripts/tags.sh b/scripts/tags.sh
index fdbe78bb5e2b6ad8359aeabb26b0fcf98af44957..5bd8b1003d446b1f4e80dd7e9a788685263a3a6e 100755 (executable)
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -76,7 +76,10 @@ all_sources()
 
 all_kconfigs()
 {
-       find_sources $ALLSOURCE_ARCHS 'Kconfig*'
+       for arch in $ALLSOURCE_ARCHS; do
+               find_sources $arch 'Kconfig*'
+       done
+       find_other_sources 'Kconfig*'
 }
 
 all_defconfigs()
@@ -99,7 +102,8 @@ exuberant()
        -I ____cacheline_internodealigned_in_smp                \
        -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL                      \
        --extra=+f --c-kinds=+px                                \
-       --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'
+       --regex-asm='/^ENTRY\(([^)]*)\).*/\1/'                  \
+       --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/'
 
        all_kconfigs | xargs $1 -a                              \
        --langdef=kconfig --language-force=kconfig              \
@@ -117,7 +121,9 @@ exuberant()
 
 emacs()
 {
-       all_sources | xargs $1 -a
+       all_sources | xargs $1 -a                               \
+       --regex='/^ENTRY(\([^)]*\)).*/\1/'                      \
+       --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/'
 
        all_kconfigs | xargs $1 -a                              \
        --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'