mirror of
https://github.com/adulau/aha.git
synced 2024-12-27 11:16:11 +00:00
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
This commit is contained in:
Linus Torvalds
commit
51f267739a
6 changed files with 174 additions and 22 deletions
2
Makefile
2
Makefile
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@ -389,6 +389,7 @@ PHONY += outputmakefile
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# output directory.
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outputmakefile:
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ifneq ($(KBUILD_SRC),)
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$(Q)ln -fsn $(srctree) source
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$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
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$(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
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endif
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@ -946,7 +947,6 @@ ifneq ($(KBUILD_SRC),)
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mkdir -p include2; \
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ln -fsn $(srctree)/include/asm-$(SRCARCH) include2/asm; \
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fi
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ln -fsn $(srctree) source
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endif
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# prepare2 creates a makefile if using a separate output directory
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@ -51,7 +51,7 @@ my %pidctr;
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while (<>) {
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my $line = $_;
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if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z0-9\_]+)\+/) {
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if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z0-9\_\.]+)\+/) {
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my $func = $2;
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if ($done == 0) {
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$start{$func} = $1;
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@ -87,7 +87,7 @@ while (<>) {
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$count = $count + 1;
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}
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if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_]+)\+.*returned/) {
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if ($line =~ /([0-9\.]+)\] initcall ([a-zA-Z0-9\_\.]+)\+.*returned/) {
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if ($done == 0) {
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$end{$2} = $1;
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$maxtime = $1;
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@ -1,4 +1,4 @@
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#!/usr/bin/perl -w
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#!/usr/bin/perl
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use File::Basename;
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@ -29,27 +29,151 @@ my $filename = $vmlinux_name;
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my $target = "0";
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my $function;
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my $module = "";
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my $func_offset;
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my $func_offset = 0;
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my $vmaoffset = 0;
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my %regs;
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sub parse_x86_regs
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{
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my ($line) = @_;
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if ($line =~ /EAX: ([0-9a-f]+) EBX: ([0-9a-f]+) ECX: ([0-9a-f]+) EDX: ([0-9a-f]+)/) {
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$regs{"%eax"} = $1;
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$regs{"%ebx"} = $2;
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$regs{"%ecx"} = $3;
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$regs{"%edx"} = $4;
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}
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if ($line =~ /ESI: ([0-9a-f]+) EDI: ([0-9a-f]+) EBP: ([0-9a-f]+) ESP: ([0-9a-f]+)/) {
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$regs{"%esi"} = $1;
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$regs{"%edi"} = $2;
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$regs{"%esp"} = $4;
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}
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if ($line =~ /RAX: ([0-9a-f]+) RBX: ([0-9a-f]+) RCX: ([0-9a-f]+)/) {
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$regs{"%eax"} = $1;
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$regs{"%ebx"} = $2;
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$regs{"%ecx"} = $3;
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}
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if ($line =~ /RDX: ([0-9a-f]+) RSI: ([0-9a-f]+) RDI: ([0-9a-f]+)/) {
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$regs{"%edx"} = $1;
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$regs{"%esi"} = $2;
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$regs{"%edi"} = $3;
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}
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if ($line =~ /RBP: ([0-9a-f]+) R08: ([0-9a-f]+) R09: ([0-9a-f]+)/) {
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$regs{"%r08"} = $2;
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$regs{"%r09"} = $3;
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}
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if ($line =~ /R10: ([0-9a-f]+) R11: ([0-9a-f]+) R12: ([0-9a-f]+)/) {
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$regs{"%r10"} = $1;
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$regs{"%r11"} = $2;
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$regs{"%r12"} = $3;
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}
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if ($line =~ /R13: ([0-9a-f]+) R14: ([0-9a-f]+) R15: ([0-9a-f]+)/) {
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$regs{"%r13"} = $1;
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$regs{"%r14"} = $2;
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$regs{"%r15"} = $3;
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}
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}
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sub reg_name
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{
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my ($reg) = @_;
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$reg =~ s/r(.)x/e\1x/;
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$reg =~ s/r(.)i/e\1i/;
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$reg =~ s/r(.)p/e\1p/;
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return $reg;
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}
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sub process_x86_regs
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{
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my ($line, $cntr) = @_;
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my $str = "";
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if (length($line) < 40) {
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return ""; # not an asm istruction
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}
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# find the arguments to the instruction
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if ($line =~ /([0-9a-zA-Z\,\%\(\)\-\+]+)$/) {
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$lastword = $1;
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} else {
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return "";
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}
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# we need to find the registers that get clobbered,
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# since their value is no longer relevant for previous
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# instructions in the stream.
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$clobber = $lastword;
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# first, remove all memory operands, they're read only
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$clobber =~ s/\([a-z0-9\%\,]+\)//g;
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# then, remove everything before the comma, thats the read part
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$clobber =~ s/.*\,//g;
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# if this is the instruction that faulted, we haven't actually done
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# the write yet... nothing is clobbered.
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if ($cntr == 0) {
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$clobber = "";
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}
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foreach $reg (keys(%regs)) {
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my $clobberprime = reg_name($clobber);
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my $lastwordprime = reg_name($lastword);
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my $val = $regs{$reg};
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if ($val =~ /^[0]+$/) {
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$val = "0";
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} else {
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$val =~ s/^0*//;
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}
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# first check if we're clobbering this register; if we do
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# we print it with a =>, and then delete its value
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if ($clobber =~ /$reg/ || $clobberprime =~ /$reg/) {
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if (length($val) > 0) {
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$str = $str . " $reg => $val ";
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}
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$regs{$reg} = "";
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$val = "";
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}
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# now check if we're reading this register
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if ($lastword =~ /$reg/ || $lastwordprime =~ /$reg/) {
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if (length($val) > 0) {
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$str = $str . " $reg = $val ";
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}
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}
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}
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return $str;
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}
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# parse the oops
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while (<STDIN>) {
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my $line = $_;
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if ($line =~ /EIP: 0060:\[\<([a-z0-9]+)\>\]/) {
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$target = $1;
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}
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if ($line =~ /RIP: 0010:\[\<([a-z0-9]+)\>\]/) {
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$target = $1;
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}
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if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
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$function = $1;
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$func_offset = $2;
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}
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if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\] \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]/) {
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$function = $1;
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$func_offset = $2;
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}
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# check if it's a module
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if ($line =~ /EIP is at ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {
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$module = $3;
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}
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if ($line =~ /RIP: 0010:\[\<[0-9a-f]+\>\] \[\<[0-9a-f]+\>\] ([a-zA-Z0-9\_]+)\+(0x[0-9a-f]+)\/0x[a-f0-9]+\W\[([a-zA-Z0-9\_\-]+)\]/) {
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$module = $3;
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}
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parse_x86_regs($line);
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}
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my $decodestart = hex($target) - hex($func_offset);
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my $decodestop = $decodestart + 8192;
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my $decodestop = hex($target) + 8192;
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if ($target eq "0") {
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print "No oops found!\n";
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print "Usage: \n";
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@ -84,6 +208,7 @@ my $counter = 0;
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my $state = 0;
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my $center = 0;
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my @lines;
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my @reglines;
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sub InRange {
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my ($address, $target) = @_;
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@ -188,16 +313,36 @@ while ($finish < $counter) {
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my $i;
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my $fulltext = "";
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# start annotating the registers in the asm.
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# this goes from the oopsing point back, so that the annotator
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# can track (opportunistically) which registers got written and
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# whos value no longer is relevant.
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$i = $center;
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while ($i >= $start) {
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$reglines[$i] = process_x86_regs($lines[$i], $center - $i);
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$i = $i - 1;
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}
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$i = $start;
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while ($i < $finish) {
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my $line;
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if ($i == $center) {
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$fulltext = $fulltext . "*$lines[$i] <----- faulting instruction\n";
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$line = "*$lines[$i] ";
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} else {
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$fulltext = $fulltext . " $lines[$i]\n";
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$line = " $lines[$i] ";
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}
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print $line;
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if (defined($reglines[$i]) && length($reglines[$i]) > 0) {
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my $c = 60 - length($line);
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while ($c > 0) { print " "; $c = $c - 1; };
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print "| $reglines[$i]";
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}
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if ($i == $center) {
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print "<--- faulting instruction";
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}
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print "\n";
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$i = $i +1;
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}
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print $fulltext;
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@ -86,6 +86,14 @@ echo "%endif"
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echo 'cp System.map $RPM_BUILD_ROOT'"/boot/System.map-$KERNELRELEASE"
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echo 'cp .config $RPM_BUILD_ROOT'"/boot/config-$KERNELRELEASE"
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echo "%ifnarch ppc64"
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echo 'cp vmlinux vmlinux.orig'
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echo 'bzip2 -9 vmlinux'
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echo 'mv vmlinux.bz2 $RPM_BUILD_ROOT'"/boot/vmlinux-$KERNELRELEASE.bz2"
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echo 'mv vmlinux.orig vmlinux'
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echo "%endif"
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echo ""
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echo "%clean"
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echo '#echo -rf $RPM_BUILD_ROOT'
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@ -58,14 +58,7 @@ fi
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# Check for svn and a svn repo.
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if rev=`svn info 2>/dev/null | grep '^Last Changed Rev'`; then
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rev=`echo $rev | awk '{print $NF}'`
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changes=`svn status 2>/dev/null | grep '^[AMD]' | wc -l`
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# Are there uncommitted changes?
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if [ $changes != 0 ]; then
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printf -- '-svn%s%s' "$rev" -dirty
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else
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printf -- '-svn%s' "$rev"
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fi
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printf -- '-svn%s' "$rev"
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# All done with svn
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exit
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@ -76,7 +76,10 @@ all_sources()
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all_kconfigs()
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{
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find_sources $ALLSOURCE_ARCHS 'Kconfig*'
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for arch in $ALLSOURCE_ARCHS; do
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find_sources $arch 'Kconfig*'
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done
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find_other_sources 'Kconfig*'
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}
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all_defconfigs()
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@ -99,7 +102,8 @@ exuberant()
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-I ____cacheline_internodealigned_in_smp \
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-I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \
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--extra=+f --c-kinds=+px \
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--regex-asm='/^ENTRY\(([^)]*)\).*/\1/'
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--regex-asm='/^ENTRY\(([^)]*)\).*/\1/' \
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--regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/'
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all_kconfigs | xargs $1 -a \
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--langdef=kconfig --language-force=kconfig \
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@ -117,7 +121,9 @@ exuberant()
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emacs()
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{
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all_sources | xargs $1 -a
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all_sources | xargs $1 -a \
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--regex='/^ENTRY(\([^)]*\)).*/\1/' \
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--regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/'
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all_kconfigs | xargs $1 -a \
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--regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/'
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