From 18c167fd6d8feec5d337bd8fbc3a17da4cc37652 Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Mon, 12 Jan 2009 10:00:51 +0800 Subject: ftrace, ia64: make recordmcount distinct module compile In IA64, module build and kernel build use different option. Make recordmcount.pl differentiate the two cases. Signed-off-by: Shaohua Li Acked-by: Sam Ravnborg Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- scripts/Makefile.build | 13 +++++++------ scripts/recordmcount.pl | 6 +++--- 2 files changed, 10 insertions(+), 9 deletions(-) (limited to 'scripts') diff --git a/scripts/Makefile.build b/scripts/Makefile.build index 5d900307de3e..b5efa98994bb 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -112,13 +112,13 @@ endif # --------------------------------------------------------------------------- # Default is built-in, unless we know otherwise -modkern_cflags := $(CFLAGS_KERNEL) +modkern_cflags = $(if $(part-of-module), $(CFLAGS_MODULE), $(CFLAGS_KERNEL)) quiet_modtag := $(empty) $(empty) -$(real-objs-m) : modkern_cflags := $(CFLAGS_MODULE) -$(real-objs-m:.o=.i) : modkern_cflags := $(CFLAGS_MODULE) -$(real-objs-m:.o=.s) : modkern_cflags := $(CFLAGS_MODULE) -$(real-objs-m:.o=.lst): modkern_cflags := $(CFLAGS_MODULE) +$(real-objs-m) : part-of-module := y +$(real-objs-m:.o=.i) : part-of-module := y +$(real-objs-m:.o=.s) : part-of-module := y +$(real-objs-m:.o=.lst): part-of-module := y $(real-objs-m) : quiet_modtag := [M] $(real-objs-m:.o=.i) : quiet_modtag := [M] @@ -215,7 +215,8 @@ endif ifdef CONFIG_FTRACE_MCOUNT_RECORD cmd_record_mcount = perl $(srctree)/scripts/recordmcount.pl "$(ARCH)" \ "$(if $(CONFIG_64BIT),64,32)" \ - "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" "$(@)"; + "$(OBJDUMP)" "$(OBJCOPY)" "$(CC)" "$(LD)" "$(NM)" "$(RM)" "$(MV)" \ + "$(if $(part-of-module),1,0)" "$(@)"; endif define rule_cc_o_c diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index fe831412bea9..282485a22bf8 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -100,14 +100,14 @@ $P =~ s@.*/@@g; my $V = '0.1'; -if ($#ARGV < 6) { - print "usage: $P arch objdump objcopy cc ld nm rm mv inputfile\n"; +if ($#ARGV < 7) { + print "usage: $P arch objdump objcopy cc ld nm rm mv is_module inputfile\n"; print "version: $V\n"; exit(1); } my ($arch, $bits, $objdump, $objcopy, $cc, - $ld, $nm, $rm, $mv, $inputfile) = @ARGV; + $ld, $nm, $rm, $mv, $is_module, $inputfile) = @ARGV; # Acceptable sections to record. my %text_sections = ( -- cgit v1.2.3 From 25aac9dc7c8c73798c1be8aa36141f980d32579e Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Fri, 9 Jan 2009 11:29:40 +0800 Subject: ftrace, ia64: explictly ignore a file in recordmcount.pl In IA64, a function pointer isn't a 'unsigned long' but a 'struct {unsigned long ip, unsigned long gp}'. MCOUNT_ADDR is determined at link time not compile time, so explictly ignore kernel/trace/ftrace.o in recordmcount.pl. Signed-off-by: Shaohua Li Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/ftrace.c | 10 +--------- scripts/recordmcount.pl | 5 +++++ 2 files changed, 6 insertions(+), 9 deletions(-) (limited to 'scripts') diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 9e54a6ccdb93..76bb884b6e16 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -263,14 +263,6 @@ static void ftrace_update_pid_func(void) # error Dynamic ftrace depends on MCOUNT_RECORD #endif -/* - * Since MCOUNT_ADDR may point to mcount itself, we do not want - * to get it confused by reading a reference in the code as we - * are parsing on objcopy output of text. Use a variable for - * it instead. - */ -static unsigned long mcount_addr = MCOUNT_ADDR; - enum { FTRACE_ENABLE_CALLS = (1 << 0), FTRACE_DISABLE_CALLS = (1 << 1), @@ -575,7 +567,7 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec) ip = rec->ip; - ret = ftrace_make_nop(mod, rec, mcount_addr); + ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR); if (ret) { ftrace_bug(ret, ip); rec->flags |= FTRACE_FL_FAILED; diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 282485a22bf8..070042b4ccd5 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -109,6 +109,11 @@ if ($#ARGV < 7) { my ($arch, $bits, $objdump, $objcopy, $cc, $ld, $nm, $rm, $mv, $is_module, $inputfile) = @ARGV; +# This file refers to mcount and shouldn't be ftraced, so lets' ignore it +if ($inputfile eq "kernel/trace/ftrace.o") { + exit(0); +} + # Acceptable sections to record. my %text_sections = ( ".text" => 1, -- cgit v1.2.3 From 418071eb6adbfd3980b2f57f7df8e03921e3f1d7 Mon Sep 17 00:00:00 2001 From: Shaohua Li Date: Fri, 9 Jan 2009 11:29:44 +0800 Subject: ftrace, ia64: Add recordmcount for ia64 Add recordmcount for ia64. Signed-off-by: Shaohua Li Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- scripts/recordmcount.pl | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'scripts') diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 070042b4ccd5..2ded5c8e6b85 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -206,6 +206,13 @@ if ($arch eq "x86_64") { $alignment = 2; $section_type = '%progbits'; +} elsif ($arch eq "ia64") { + $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$"; + $type = "data8"; + + if ($is_module eq "0") { + $cc .= " -mconstant-gp"; + } } else { die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD"; } -- cgit v1.2.3 From b43f70933e7753a284733d5ae355f6778bd118ce Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Fri, 16 Jan 2009 23:18:31 -0500 Subject: ftrace: test for running of recordmcount.pl twice on an object Impact: fix failure of dynamic function tracer selftest In a course of development, a developer does several makes on their kernel. Sometimes, the make might do something abnormal. In the case of running the recordmcount.pl script on an object twice, the script will duplicate all the calls to mcount in the __mcount_loc section. On boot up, the dynamic function tracer is careful when it modifies code, and performs several consistency checks. One is to not modify the call site if it is not what it expects it to be. If a function call site is listed twice, the first entry will convert the site to a nop, and the second will fail because it expected to see a call to mcount, but instead it sees a nop. Thus, the function tracer is disabled. Eric Sesterhenn reported seeing: [ 1.055440] ftrace: converting mcount calls to 0f 1f 44 00 00 [ 1.055568] ftrace: allocating 29418 entries in 116 pages [ 1.061000] ------------[ cut here ]------------ [ 1.061000] WARNING: at kernel/trace/ftrace.c:441 [...] [ 1.060000] ---[ end trace 4eaa2a86a8e2da23 ]--- [ 1.060000] ftrace failed to modify [] check_corruption+0x3/0x2d [ 1.060000] actual: 0f:1f:44:00:00 This warning shows that check_corruption+0x3 already had a nop in its place (0x0f1f440000). After compiling another kernel the problem went away. Later Eric Paris notice the same type of issue. Luckily, he saved the vmlinux file that caused it. In the file we found a bunch of duplicate mcount call site records, which lead us to the script. Perhaps this problem only happens to people named Eric. This patch changes the script to test if the __mcount_loc already exists in the object file, and if it does, it will print out an error message and kill the compile. Reported-by: Eric Sesterhenn Reported-by: Eric Paris Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- scripts/recordmcount.pl | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'scripts') diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 2ded5c8e6b85..409596eca124 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -101,7 +101,7 @@ $P =~ s@.*/@@g; my $V = '0.1'; if ($#ARGV < 7) { - print "usage: $P arch objdump objcopy cc ld nm rm mv is_module inputfile\n"; + print "usage: $P arch bits objdump objcopy cc ld nm rm mv is_module inputfile\n"; print "version: $V\n"; exit(1); } @@ -275,7 +275,6 @@ if (!$found_version) { "\tDisabling local function references.\n"; } - # # Step 1: find all the local (static functions) and weak symbols. # 't' is local, 'w/W' is weak (we never use a weak function) @@ -343,13 +342,16 @@ sub update_funcs # # Step 2: find the sections and mcount call sites # -open(IN, "$objdump -dr $inputfile|") || die "error running $objdump"; +open(IN, "$objdump -hdr $inputfile|") || die "error running $objdump"; my $text; +my $read_headers = 1; + while () { # is it a section? if (/$section_regex/) { + $read_headers = 0; # Only record text sections that we know are safe if (defined($text_sections{$1})) { @@ -383,6 +385,19 @@ while () { $ref_func = $text; } } + } elsif ($read_headers && /$mcount_section/) { + # + # Somehow the make process can execute this script on an + # object twice. If it does, we would duplicate the mcount + # section and it will cause the function tracer self test + # to fail. Check if the mcount section exists, and if it does, + # warn and exit. + # + print STDERR "ERROR: $mcount_section already in $inputfile\n" . + "\tThis may be an indication that your build is corrupted.\n" . + "\tDelete $inputfile and try again. If the same object file\n" . + "\tstill causes an issue, then disable CONFIG_DYNAMIC_FTRACE.\n"; + exit(-1); } # is this a call site to mcount? If so, record it to print later -- cgit v1.2.3 From b478b782e110fdb4135caa3062b6d687e989d994 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Fri, 13 Mar 2009 15:10:26 +0800 Subject: kallsyms, tracing: output more proper symbol name Impact: bugfix, output more reliable symbol lookup result Debug tools(dump_stack(), ftrace...) are like to print out symbols. But it is always print out the first aliased symbol.(Aliased symbols are symbols with the same address), and the first aliased symbol is sometime not proper. # echo function_graph > current_tracer # cat trace ...... 1) 1.923 us | select_nohz_load_balancer(); 1) + 76.692 us | } 1) | default_idle() { 1) ==========> | __irqentry_text_start() { 1) 0.000 us | native_apic_mem_write(); 1) | irq_enter() { 1) 0.000 us | idle_cpu(); 1) | tick_check_idle() { 1) 0.000 us | tick_check_oneshot_broadcast(); 1) | tick_nohz_stop_idle() { ...... It's very embarrassing, it ouputs "__irqentry_text_start()", actually, it should output "smp_apic_timer_interrupt()". (these two symbol are the same address, but "__irqentry_text_start" is deemed to the first aliased symbol by scripts/kallsyms) This patch puts symbols like "__irqentry_text_start" to the second aliased symbols. And a more proper symbol name becomes the first. Aliased symbols mostly come from linker script. The solution is guessing "is this symbol defined in linker script", the symbols defined in linker script will not become the first aliased symbol. And if symbols are found to be equal in this "linker script provided" criteria, symbols are sorted by the number of prefix underscores. Signed-off-by: Lai Jiangshan Acked-by: Sam Ravnborg Reviewed-by: Paulo Marques LKML-Reference: <49BA06E2.7080807@cn.fujitsu.com> Signed-off-by: Ingo Molnar --- scripts/kallsyms.c | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 57 insertions(+) (limited to 'scripts') diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index ad2434b26970..6654cbed965b 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -500,6 +500,51 @@ static void optimize_token_table(void) optimize_result(); } +/* guess for "linker script provide" symbol */ +static int may_be_linker_script_provide_symbol(const struct sym_entry *se) +{ + const char *symbol = (char *)se->sym + 1; + int len = se->len - 1; + + if (len < 8) + return 0; + + if (symbol[0] != '_' || symbol[1] != '_') + return 0; + + /* __start_XXXXX */ + if (!memcmp(symbol + 2, "start_", 6)) + return 1; + + /* __stop_XXXXX */ + if (!memcmp(symbol + 2, "stop_", 5)) + return 1; + + /* __end_XXXXX */ + if (!memcmp(symbol + 2, "end_", 4)) + return 1; + + /* __XXXXX_start */ + if (!memcmp(symbol + len - 6, "_start", 6)) + return 1; + + /* __XXXXX_end */ + if (!memcmp(symbol + len - 4, "_end", 4)) + return 1; + + return 0; +} + +static int prefix_underscores_count(const char *str) +{ + const char *tail = str; + + while (*tail != '_') + tail++; + + return tail - str; +} + static int compare_symbols(const void *a, const void *b) { const struct sym_entry *sa; @@ -521,6 +566,18 @@ static int compare_symbols(const void *a, const void *b) if (wa != wb) return wa - wb; + /* sort by "linker script provide" type */ + wa = may_be_linker_script_provide_symbol(sa); + wb = may_be_linker_script_provide_symbol(sb); + if (wa != wb) + return wa - wb; + + /* sort by the number of prefix underscores */ + wa = prefix_underscores_count((const char *)sa->sym + 1); + wb = prefix_underscores_count((const char *)sb->sym + 1); + if (wa != wb) + return wa - wb; + /* sort by initial order, so that other symbols are left undisturbed */ return sa->start_pos - sb->start_pos; } -- cgit v1.2.3 From 8c8ef42aee8fcfb4128bb94c50d55c9f80ade525 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Tue, 31 Mar 2009 13:05:34 -0600 Subject: module: include other structures in module version check With CONFIG_MODVERSIONS, we version 'struct module' using a dummy export, but other things matter too: 1) 'struct modversion_info' determines the layout of the __versions section, 2) 'struct kernel_param' determines the layout of the __params section, 3) 'struct kernel_symbol' determines __ksymtab*. 4) 'struct marker' determines __markers. 5) 'struct tracepoint' determines __tracepoints. So we rename 'struct_module' to 'module_layout' and include these in the signature. Now it's general we can add others later on without confusion. Signed-off-by: Rusty Russell --- kernel/module.c | 18 +++++++++++++----- scripts/mod/modpost.c | 4 ++-- 2 files changed, 15 insertions(+), 7 deletions(-) (limited to 'scripts') diff --git a/kernel/module.c b/kernel/module.c index 784bf6d8f8c4..e8cf636e614b 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -1052,9 +1052,9 @@ static inline int check_modstruct_version(Elf_Shdr *sechdrs, { const unsigned long *crc; - if (!find_symbol("struct_module", NULL, &crc, true, false)) + if (!find_symbol("module_layout", NULL, &crc, true, false)) BUG(); - return check_version(sechdrs, versindex, "struct_module", mod, crc); + return check_version(sechdrs, versindex, "module_layout", mod, crc); } /* First part is kernel version, which we ignore if module has crcs. */ @@ -2858,9 +2858,17 @@ void print_modules(void) } #ifdef CONFIG_MODVERSIONS -/* Generate the signature for struct module here, too, for modversions. */ -void struct_module(struct module *mod) { return; } -EXPORT_SYMBOL(struct_module); +/* Generate the signature for all relevant module structures here. + * If these change, we don't want to try to parse the module. */ +void module_layout(struct module *mod, + struct modversion_info *ver, + struct kernel_param *kp, + struct kernel_symbol *ks, + struct marker *marker, + struct tracepoint *tp) +{ +} +EXPORT_SYMBOL(module_layout); #endif #ifdef CONFIG_MARKERS diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 7e62303133dc..8cc70612984c 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1607,12 +1607,12 @@ static void read_symbols(char *modname) parse_elf_finish(&info); - /* Our trick to get versioning for struct_module - it's + /* Our trick to get versioning for module struct etc. - it's * never passed as an argument to an exported function, so * the automatic versioning doesn't pick it up, but it's really * important anyhow */ if (modversions) - mod->unres = alloc_symbol("struct_module", 0, mod->unres); + mod->unres = alloc_symbol("module_layout", 0, mod->unres); } #define SZ 500 -- cgit v1.2.3 From 4fafd5b03875612a24a5b17dac0c63217a65de42 Mon Sep 17 00:00:00 2001 From: Lai Jiangshan Date: Mon, 30 Mar 2009 14:50:04 +0800 Subject: tracing: move scripts/trace/power.pl to scripts/tracing/power.pl Impact: Cleanup We use scripts/tracing/ to contain tracing scripts. Use one directory only instead of two. Signed-off-by: Lai Jiangshan Cc: Arjan van de Ven Cc: Steven Rostedt LKML-Reference: <49D06B9C.3070209@cn.fujitsu.com> Signed-off-by: Ingo Molnar --- scripts/trace/power.pl | 108 ----------------------------------------------- scripts/tracing/power.pl | 108 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 108 insertions(+), 108 deletions(-) delete mode 100644 scripts/trace/power.pl create mode 100644 scripts/tracing/power.pl (limited to 'scripts') diff --git a/scripts/trace/power.pl b/scripts/trace/power.pl deleted file mode 100644 index 4f729b3501e0..000000000000 --- a/scripts/trace/power.pl +++ /dev/null @@ -1,108 +0,0 @@ -#!/usr/bin/perl - -# Copyright 2008, Intel Corporation -# -# This file is part of the Linux kernel -# -# This program file is free software; you can redistribute it and/or modify it -# under the terms of the GNU General Public License as published by the -# Free Software Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, but WITHOUT -# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or -# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -# for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program in a file named COPYING; if not, write to the -# Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, -# Boston, MA 02110-1301 USA -# -# Authors: -# Arjan van de Ven - - -# -# This script turns a cstate ftrace output into a SVG graphic that shows -# historic C-state information -# -# -# cat /sys/kernel/debug/tracing/trace | perl power.pl > out.svg -# - -my @styles; -my $base = 0; - -my @pstate_last; -my @pstate_level; - -$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; -$styles[8] = "fill:rgb(0,25,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; - - -print " \n"; -print "\n"; - -my $scale = 30000.0; -while (<>) { - my $line = $_; - if ($line =~ /([0-9\.]+)\] CSTATE: Going to C([0-9]) on cpu ([0-9]+) for ([0-9\.]+)/) { - if ($base == 0) { - $base = $1; - } - my $time = $1 - $base; - $time = $time * $scale; - my $C = $2; - my $cpu = $3; - my $y = 400 * $cpu; - my $duration = $4 * $scale; - my $msec = int($4 * 100000)/100.0; - my $height = $C * 20; - $style = $styles[$C]; - - $y = $y + 140 - $height; - - $x2 = $time + 4; - $y2 = $y + 4; - - - print "\n"; - print "C$C $msec\n"; - } - if ($line =~ /([0-9\.]+)\] PSTATE: Going to P([0-9]) on cpu ([0-9]+)/) { - my $time = $1 - $base; - my $state = $2; - my $cpu = $3; - - if (defined($pstate_last[$cpu])) { - my $from = $pstate_last[$cpu]; - my $oldstate = $pstate_state[$cpu]; - my $duration = ($time-$from) * $scale; - - $from = $from * $scale; - my $to = $from + $duration; - my $height = 140 - ($oldstate * (140/8)); - - my $y = 400 * $cpu + 200 + $height; - my $y2 = $y+4; - my $style = $styles[8]; - - print "\n"; - print "P$oldstate (cpu $cpu)\n"; - }; - - $pstate_last[$cpu] = $time; - $pstate_state[$cpu] = $state; - } -} - - -print "\n"; diff --git a/scripts/tracing/power.pl b/scripts/tracing/power.pl new file mode 100644 index 000000000000..4f729b3501e0 --- /dev/null +++ b/scripts/tracing/power.pl @@ -0,0 +1,108 @@ +#!/usr/bin/perl + +# Copyright 2008, Intel Corporation +# +# This file is part of the Linux kernel +# +# This program file is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the +# Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program in a file named COPYING; if not, write to the +# Free Software Foundation, Inc., +# 51 Franklin Street, Fifth Floor, +# Boston, MA 02110-1301 USA +# +# Authors: +# Arjan van de Ven + + +# +# This script turns a cstate ftrace output into a SVG graphic that shows +# historic C-state information +# +# +# cat /sys/kernel/debug/tracing/trace | perl power.pl > out.svg +# + +my @styles; +my $base = 0; + +my @pstate_last; +my @pstate_level; + +$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[1] = "fill:rgb(0,255,0);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[2] = "fill:rgb(255,0,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[3] = "fill:rgb(255,255,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[4] = "fill:rgb(255,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[5] = "fill:rgb(0,255,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[6] = "fill:rgb(0,128,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[7] = "fill:rgb(0,255,128);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; +$styles[8] = "fill:rgb(0,25,20);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)"; + + +print " \n"; +print "\n"; + +my $scale = 30000.0; +while (<>) { + my $line = $_; + if ($line =~ /([0-9\.]+)\] CSTATE: Going to C([0-9]) on cpu ([0-9]+) for ([0-9\.]+)/) { + if ($base == 0) { + $base = $1; + } + my $time = $1 - $base; + $time = $time * $scale; + my $C = $2; + my $cpu = $3; + my $y = 400 * $cpu; + my $duration = $4 * $scale; + my $msec = int($4 * 100000)/100.0; + my $height = $C * 20; + $style = $styles[$C]; + + $y = $y + 140 - $height; + + $x2 = $time + 4; + $y2 = $y + 4; + + + print "\n"; + print "C$C $msec\n"; + } + if ($line =~ /([0-9\.]+)\] PSTATE: Going to P([0-9]) on cpu ([0-9]+)/) { + my $time = $1 - $base; + my $state = $2; + my $cpu = $3; + + if (defined($pstate_last[$cpu])) { + my $from = $pstate_last[$cpu]; + my $oldstate = $pstate_state[$cpu]; + my $duration = ($time-$from) * $scale; + + $from = $from * $scale; + my $to = $from + $duration; + my $height = 140 - ($oldstate * (140/8)); + + my $y = 400 * $cpu + 200 + $height; + my $y2 = $y+4; + my $style = $styles[8]; + + print "\n"; + print "P$oldstate (cpu $cpu)\n"; + }; + + $pstate_last[$cpu] = $time; + $pstate_state[$cpu] = $state; + } +} + + +print "\n"; -- cgit v1.2.3 From 91400ac365da35b18036b46bdda27ddbcee4a663 Mon Sep 17 00:00:00 2001 From: Helge Deller Date: Wed, 18 Feb 2009 22:12:21 +0000 Subject: parisc: fix "make tar-pkg" Signed-off-by: Helge Deller Signed-off-by: Kyle McMartin --- scripts/package/buildtar | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'scripts') diff --git a/scripts/package/buildtar b/scripts/package/buildtar index 28574ae55170..b1fd48db1640 100644 --- a/scripts/package/buildtar +++ b/scripts/package/buildtar @@ -75,6 +75,10 @@ case "${ARCH}" in alpha) [ -f "${objtree}/arch/alpha/boot/vmlinux.gz" ] && cp -v -- "${objtree}/arch/alpha/boot/vmlinux.gz" "${tmpdir}/boot/vmlinuz-${KERNELRELEASE}" ;; + parisc*) + [ -f "${KBUILD_IMAGE}" ] && cp -v -- "${KBUILD_IMAGE}" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}" + [ -f "${objtree}/lifimage" ] && cp -v -- "${objtree}/lifimage" "${tmpdir}/boot/lifimage-${KERNELRELEASE}" + ;; vax) [ -f "${objtree}/vmlinux.SYS" ] && cp -v -- "${objtree}/vmlinux.SYS" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}.SYS" [ -f "${objtree}/vmlinux.dsk" ] && cp -v -- "${objtree}/vmlinux.dsk" "${tmpdir}/boot/vmlinux-${KERNELRELEASE}.dsk" -- cgit v1.2.3 From 556b0f58bbcdc96ba8ed67001b4e57c50198da89 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Sat, 10 Jan 2009 14:53:15 +0000 Subject: Revert "fix modules_install via NFS" This reverts commit 8b249b6856f16f09b0e5b79ce5f4d435e439b9d6. This 'fix' is not necessary; we just need to undo the damage caused accidentally by Igor/Mauro in 4b29631db33292d416dc395c56122ea865e7635c ("V4L/DVB (9533): cx88: Add support for TurboSight TBS8910 DVB-S PCI card") Signed-off-by: David Woodhouse --- firmware/.gitignore | 1 + firmware/Makefile | 10 +- firmware/ihex2fw.c | 268 ++++++++++++++++++++++++++++++++++++++++++++++++++++ scripts/.gitignore | 1 - scripts/Makefile | 3 +- scripts/ihex2fw.c | 268 ---------------------------------------------------- 6 files changed, 276 insertions(+), 275 deletions(-) create mode 100644 firmware/ihex2fw.c delete mode 100644 scripts/ihex2fw.c (limited to 'scripts') diff --git a/firmware/.gitignore b/firmware/.gitignore index f89a21fffbf1..d9c69017bc9a 100644 --- a/firmware/.gitignore +++ b/firmware/.gitignore @@ -3,3 +3,4 @@ *.bin *.csp *.dsp +ihex2fw diff --git a/firmware/Makefile b/firmware/Makefile index 14fdd073c798..185c8dc0bcb2 100644 --- a/firmware/Makefile +++ b/firmware/Makefile @@ -118,10 +118,10 @@ quiet_cmd_ihex = IHEX $@ cmd_ihex = $(OBJCOPY) -Iihex -Obinary $< $@ quiet_cmd_ihex2fw = IHEX2FW $@ - cmd_ihex2fw = $(objtree)/scripts/ihex2fw $< $@ + cmd_ihex2fw = $(objtree)/$(obj)/ihex2fw $< $@ quiet_cmd_h16tofw = H16TOFW $@ - cmd_h16tofw = $(objtree)/scripts/ihex2fw -w $< $@ + cmd_h16tofw = $(objtree)/$(obj)/ihex2fw -w $< $@ quiet_cmd_fwbin = MK_FW $@ cmd_fwbin = FWNAME="$(patsubst firmware/%.gen.S,%,$@)"; \ @@ -184,11 +184,11 @@ $(obj)/%: $(obj)/%.ihex | $(objtree)/$(obj)/$$(dir %) # is actually meaningful, because the firmware has to be loaded in a certain # order rather than as a single binary blob. Thus, we convert them into our # more compact binary representation of ihex records () -$(obj)/%.fw: $(obj)/%.HEX | $(objtree)/$(obj)/$$(dir %) +$(obj)/%.fw: $(obj)/%.HEX $(obj)/ihex2fw | $(objtree)/$(obj)/$$(dir %) $(call cmd,ihex2fw) # .H16 is our own modified form of Intel HEX, with 16-bit length for records. -$(obj)/%.fw: $(obj)/%.H16 | $(objtree)/$(obj)/$$(dir %) +$(obj)/%.fw: $(obj)/%.H16 $(obj)/ihex2fw | $(objtree)/$(obj)/$$(dir %) $(call cmd,h16tofw) $(firmware-dirs): @@ -205,3 +205,5 @@ targets := $(fw-shipped-) $(patsubst $(obj)/%,%, \ # Without this, built-in.o won't be created when it's empty, and the # final vmlinux link will fail. obj-n := dummy + +hostprogs-y := ihex2fw diff --git a/firmware/ihex2fw.c b/firmware/ihex2fw.c new file mode 100644 index 000000000000..8f7fdaa9e010 --- /dev/null +++ b/firmware/ihex2fw.c @@ -0,0 +1,268 @@ +/* + * Parser/loader for IHEX formatted data. + * + * Copyright © 2008 David Woodhouse + * Copyright © 2005 Jan Harkes + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#define _GNU_SOURCE +#include + + +struct ihex_binrec { + struct ihex_binrec *next; /* not part of the real data structure */ + uint32_t addr; + uint16_t len; + uint8_t data[]; +}; + +/** + * nybble/hex are little helpers to parse hexadecimal numbers to a byte value + **/ +static uint8_t nybble(const uint8_t n) +{ + if (n >= '0' && n <= '9') return n - '0'; + else if (n >= 'A' && n <= 'F') return n - ('A' - 10); + else if (n >= 'a' && n <= 'f') return n - ('a' - 10); + return 0; +} + +static uint8_t hex(const uint8_t *data, uint8_t *crc) +{ + uint8_t val = (nybble(data[0]) << 4) | nybble(data[1]); + *crc += val; + return val; +} + +static int process_ihex(uint8_t *data, ssize_t size); +static void file_record(struct ihex_binrec *record); +static int output_records(int outfd); + +static int sort_records = 0; +static int wide_records = 0; + +int usage(void) +{ + fprintf(stderr, "ihex2fw: Convert ihex files into binary " + "representation for use by Linux kernel\n"); + fprintf(stderr, "usage: ihex2fw [] \n"); + fprintf(stderr, " -w: wide records (16-bit length)\n"); + fprintf(stderr, " -s: sort records by address\n"); + return 1; +} + +int main(int argc, char **argv) +{ + int infd, outfd; + struct stat st; + uint8_t *data; + int opt; + + while ((opt = getopt(argc, argv, "ws")) != -1) { + switch (opt) { + case 'w': + wide_records = 1; + break; + case 's': + sort_records = 1; + break; + default: + return usage(); + } + } + + if (optind + 2 != argc) + return usage(); + + if (!strcmp(argv[optind], "-")) + infd = 0; + else + infd = open(argv[optind], O_RDONLY); + if (infd == -1) { + fprintf(stderr, "Failed to open source file: %s", + strerror(errno)); + return usage(); + } + if (fstat(infd, &st)) { + perror("stat"); + return 1; + } + data = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, infd, 0); + if (data == MAP_FAILED) { + perror("mmap"); + return 1; + } + + if (!strcmp(argv[optind+1], "-")) + outfd = 1; + else + outfd = open(argv[optind+1], O_TRUNC|O_CREAT|O_WRONLY, 0644); + if (outfd == -1) { + fprintf(stderr, "Failed to open destination file: %s", + strerror(errno)); + return usage(); + } + if (process_ihex(data, st.st_size)) + return 1; + + output_records(outfd); + return 0; +} + +static int process_ihex(uint8_t *data, ssize_t size) +{ + struct ihex_binrec *record; + uint32_t offset = 0; + uint8_t type, crc = 0, crcbyte = 0; + int i, j; + int line = 1; + int len; + + i = 0; +next_record: + /* search for the start of record character */ + while (i < size) { + if (data[i] == '\n') line++; + if (data[i++] == ':') break; + } + + /* Minimum record length would be about 10 characters */ + if (i + 10 > size) { + fprintf(stderr, "Can't find valid record at line %d\n", line); + return -EINVAL; + } + + len = hex(data + i, &crc); i += 2; + if (wide_records) { + len <<= 8; + len += hex(data + i, &crc); i += 2; + } + record = malloc((sizeof (*record) + len + 3) & ~3); + if (!record) { + fprintf(stderr, "out of memory for records\n"); + return -ENOMEM; + } + memset(record, 0, (sizeof(*record) + len + 3) & ~3); + record->len = len; + + /* now check if we have enough data to read everything */ + if (i + 8 + (record->len * 2) > size) { + fprintf(stderr, "Not enough data to read complete record at line %d\n", + line); + return -EINVAL; + } + + record->addr = hex(data + i, &crc) << 8; i += 2; + record->addr |= hex(data + i, &crc); i += 2; + type = hex(data + i, &crc); i += 2; + + for (j = 0; j < record->len; j++, i += 2) + record->data[j] = hex(data + i, &crc); + + /* check CRC */ + crcbyte = hex(data + i, &crc); i += 2; + if (crc != 0) { + fprintf(stderr, "CRC failure at line %d: got 0x%X, expected 0x%X\n", + line, crcbyte, (unsigned char)(crcbyte-crc)); + return -EINVAL; + } + + /* Done reading the record */ + switch (type) { + case 0: + /* old style EOF record? */ + if (!record->len) + break; + + record->addr += offset; + file_record(record); + goto next_record; + + case 1: /* End-Of-File Record */ + if (record->addr || record->len) { + fprintf(stderr, "Bad EOF record (type 01) format at line %d", + line); + return -EINVAL; + } + break; + + case 2: /* Extended Segment Address Record (HEX86) */ + case 4: /* Extended Linear Address Record (HEX386) */ + if (record->addr || record->len != 2) { + fprintf(stderr, "Bad HEX86/HEX386 record (type %02X) at line %d\n", + type, line); + return -EINVAL; + } + + /* We shouldn't really be using the offset for HEX86 because + * the wraparound case is specified quite differently. */ + offset = record->data[0] << 8 | record->data[1]; + offset <<= (type == 2 ? 4 : 16); + goto next_record; + + case 3: /* Start Segment Address Record */ + case 5: /* Start Linear Address Record */ + if (record->addr || record->len != 4) { + fprintf(stderr, "Bad Start Address record (type %02X) at line %d\n", + type, line); + return -EINVAL; + } + + /* These records contain the CS/IP or EIP where execution + * starts. Don't really know what to do with them. */ + goto next_record; + + default: + fprintf(stderr, "Unknown record (type %02X)\n", type); + return -EINVAL; + } + + return 0; +} + +static struct ihex_binrec *records; + +static void file_record(struct ihex_binrec *record) +{ + struct ihex_binrec **p = &records; + + while ((*p) && (!sort_records || (*p)->addr < record->addr)) + p = &((*p)->next); + + record->next = *p; + *p = record; +} + +static int output_records(int outfd) +{ + unsigned char zeroes[6] = {0, 0, 0, 0, 0, 0}; + struct ihex_binrec *p = records; + + while (p) { + uint16_t writelen = (p->len + 9) & ~3; + + p->addr = htonl(p->addr); + p->len = htons(p->len); + write(outfd, &p->addr, writelen); + p = p->next; + } + /* EOF record is zero length, since we don't bother to represent + the type field in the binary version */ + write(outfd, zeroes, 6); + return 0; +} diff --git a/scripts/.gitignore b/scripts/.gitignore index 09e2406f3b78..b939fbd01195 100644 --- a/scripts/.gitignore +++ b/scripts/.gitignore @@ -1,7 +1,6 @@ # # Generated files # -ihex2fw conmakehash kallsyms pnmtologo diff --git a/scripts/Makefile b/scripts/Makefile index 035182e16afb..aafdf064feef 100644 --- a/scripts/Makefile +++ b/scripts/Makefile @@ -2,12 +2,11 @@ # scripts contains sources for various helper programs used throughout # the kernel for the build process. # --------------------------------------------------------------------------- -# ihex2fw: Parser/loader for IHEX formatted data # kallsyms: Find all symbols in vmlinux # pnmttologo: Convert pnm files to logo files +# conmakehash: Create chartable # conmakehash: Create arrays for initializing the kernel console tables -hostprogs-y := ihex2fw hostprogs-$(CONFIG_KALLSYMS) += kallsyms hostprogs-$(CONFIG_LOGO) += pnmtologo hostprogs-$(CONFIG_VT) += conmakehash diff --git a/scripts/ihex2fw.c b/scripts/ihex2fw.c deleted file mode 100644 index 8f7fdaa9e010..000000000000 --- a/scripts/ihex2fw.c +++ /dev/null @@ -1,268 +0,0 @@ -/* - * Parser/loader for IHEX formatted data. - * - * Copyright © 2008 David Woodhouse - * Copyright © 2005 Jan Harkes - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#define _GNU_SOURCE -#include - - -struct ihex_binrec { - struct ihex_binrec *next; /* not part of the real data structure */ - uint32_t addr; - uint16_t len; - uint8_t data[]; -}; - -/** - * nybble/hex are little helpers to parse hexadecimal numbers to a byte value - **/ -static uint8_t nybble(const uint8_t n) -{ - if (n >= '0' && n <= '9') return n - '0'; - else if (n >= 'A' && n <= 'F') return n - ('A' - 10); - else if (n >= 'a' && n <= 'f') return n - ('a' - 10); - return 0; -} - -static uint8_t hex(const uint8_t *data, uint8_t *crc) -{ - uint8_t val = (nybble(data[0]) << 4) | nybble(data[1]); - *crc += val; - return val; -} - -static int process_ihex(uint8_t *data, ssize_t size); -static void file_record(struct ihex_binrec *record); -static int output_records(int outfd); - -static int sort_records = 0; -static int wide_records = 0; - -int usage(void) -{ - fprintf(stderr, "ihex2fw: Convert ihex files into binary " - "representation for use by Linux kernel\n"); - fprintf(stderr, "usage: ihex2fw [] \n"); - fprintf(stderr, " -w: wide records (16-bit length)\n"); - fprintf(stderr, " -s: sort records by address\n"); - return 1; -} - -int main(int argc, char **argv) -{ - int infd, outfd; - struct stat st; - uint8_t *data; - int opt; - - while ((opt = getopt(argc, argv, "ws")) != -1) { - switch (opt) { - case 'w': - wide_records = 1; - break; - case 's': - sort_records = 1; - break; - default: - return usage(); - } - } - - if (optind + 2 != argc) - return usage(); - - if (!strcmp(argv[optind], "-")) - infd = 0; - else - infd = open(argv[optind], O_RDONLY); - if (infd == -1) { - fprintf(stderr, "Failed to open source file: %s", - strerror(errno)); - return usage(); - } - if (fstat(infd, &st)) { - perror("stat"); - return 1; - } - data = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, infd, 0); - if (data == MAP_FAILED) { - perror("mmap"); - return 1; - } - - if (!strcmp(argv[optind+1], "-")) - outfd = 1; - else - outfd = open(argv[optind+1], O_TRUNC|O_CREAT|O_WRONLY, 0644); - if (outfd == -1) { - fprintf(stderr, "Failed to open destination file: %s", - strerror(errno)); - return usage(); - } - if (process_ihex(data, st.st_size)) - return 1; - - output_records(outfd); - return 0; -} - -static int process_ihex(uint8_t *data, ssize_t size) -{ - struct ihex_binrec *record; - uint32_t offset = 0; - uint8_t type, crc = 0, crcbyte = 0; - int i, j; - int line = 1; - int len; - - i = 0; -next_record: - /* search for the start of record character */ - while (i < size) { - if (data[i] == '\n') line++; - if (data[i++] == ':') break; - } - - /* Minimum record length would be about 10 characters */ - if (i + 10 > size) { - fprintf(stderr, "Can't find valid record at line %d\n", line); - return -EINVAL; - } - - len = hex(data + i, &crc); i += 2; - if (wide_records) { - len <<= 8; - len += hex(data + i, &crc); i += 2; - } - record = malloc((sizeof (*record) + len + 3) & ~3); - if (!record) { - fprintf(stderr, "out of memory for records\n"); - return -ENOMEM; - } - memset(record, 0, (sizeof(*record) + len + 3) & ~3); - record->len = len; - - /* now check if we have enough data to read everything */ - if (i + 8 + (record->len * 2) > size) { - fprintf(stderr, "Not enough data to read complete record at line %d\n", - line); - return -EINVAL; - } - - record->addr = hex(data + i, &crc) << 8; i += 2; - record->addr |= hex(data + i, &crc); i += 2; - type = hex(data + i, &crc); i += 2; - - for (j = 0; j < record->len; j++, i += 2) - record->data[j] = hex(data + i, &crc); - - /* check CRC */ - crcbyte = hex(data + i, &crc); i += 2; - if (crc != 0) { - fprintf(stderr, "CRC failure at line %d: got 0x%X, expected 0x%X\n", - line, crcbyte, (unsigned char)(crcbyte-crc)); - return -EINVAL; - } - - /* Done reading the record */ - switch (type) { - case 0: - /* old style EOF record? */ - if (!record->len) - break; - - record->addr += offset; - file_record(record); - goto next_record; - - case 1: /* End-Of-File Record */ - if (record->addr || record->len) { - fprintf(stderr, "Bad EOF record (type 01) format at line %d", - line); - return -EINVAL; - } - break; - - case 2: /* Extended Segment Address Record (HEX86) */ - case 4: /* Extended Linear Address Record (HEX386) */ - if (record->addr || record->len != 2) { - fprintf(stderr, "Bad HEX86/HEX386 record (type %02X) at line %d\n", - type, line); - return -EINVAL; - } - - /* We shouldn't really be using the offset for HEX86 because - * the wraparound case is specified quite differently. */ - offset = record->data[0] << 8 | record->data[1]; - offset <<= (type == 2 ? 4 : 16); - goto next_record; - - case 3: /* Start Segment Address Record */ - case 5: /* Start Linear Address Record */ - if (record->addr || record->len != 4) { - fprintf(stderr, "Bad Start Address record (type %02X) at line %d\n", - type, line); - return -EINVAL; - } - - /* These records contain the CS/IP or EIP where execution - * starts. Don't really know what to do with them. */ - goto next_record; - - default: - fprintf(stderr, "Unknown record (type %02X)\n", type); - return -EINVAL; - } - - return 0; -} - -static struct ihex_binrec *records; - -static void file_record(struct ihex_binrec *record) -{ - struct ihex_binrec **p = &records; - - while ((*p) && (!sort_records || (*p)->addr < record->addr)) - p = &((*p)->next); - - record->next = *p; - *p = record; -} - -static int output_records(int outfd) -{ - unsigned char zeroes[6] = {0, 0, 0, 0, 0, 0}; - struct ihex_binrec *p = records; - - while (p) { - uint16_t writelen = (p->len + 9) & ~3; - - p->addr = htonl(p->addr); - p->len = htons(p->len); - write(outfd, &p->addr, writelen); - p = p->next; - } - /* EOF record is zero length, since we don't bother to represent - the type field in the binary version */ - write(outfd, zeroes, 6); - return 0; -} -- cgit v1.2.3 From cb7301c7a3b2216c93b148fec0718d24f4ee2a99 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Tue, 7 Apr 2009 20:40:12 -0700 Subject: Add scripts/get_maintainer.pl A script to parse file pattern information in MAINTAINERS and return selected information about a file or patch usage: scripts/get_maintainer.pl [options] patchfile scripts/get_maintainer.pl [options] -f file version: 0.14 MAINTAINERS field selection options: --email => print email address(es) if any --git => include git "*-by:" signers in commit count order --git-chief-penguins => include (Linus Torvalds) --git-min-signatures => number of signatures required (default: 1) --git-max-maintainers => maximum maintainers to add (default: 5) --git-since => git history to use (default: 1-year-ago) --m => include maintainer(s) if any --n => include name 'Full Name ' --l => include list(s) if any --s => include subscriber only list(s) if any --scm => print SCM tree(s) if any --status => print status if any --subsystem => print subsystem name if any --web => print website(s) if any Output type options: --separator [, ] => separator for multiple entries on 1 line --multiline => print 1 entry per line Default options: [--email --git --m --n --l --multiline] Other options: --version => show version --help => show this help information Signed-off-by: Joe Perches Acked-by: Pavel Machek --- scripts/get_maintainer.pl | 518 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 518 insertions(+) create mode 100755 scripts/get_maintainer.pl (limited to 'scripts') diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl new file mode 100755 index 000000000000..0f3c0a5b5a5b --- /dev/null +++ b/scripts/get_maintainer.pl @@ -0,0 +1,518 @@ +#!/usr/bin/perl -w +# (c) 2007, Joe Perches +# created from checkpatch.pl +# +# Print selected MAINTAINERS information for +# the files modified in a patch or for a file +# +# usage: perl scripts/get_maintainers.pl [OPTIONS] +# perl scripts/get_maintainers.pl [OPTIONS] -f +# +# Licensed under the terms of the GNU GPL License version 2 + +use strict; + +my $P = $0; +my $V = '0.14'; + +use Getopt::Long qw(:config no_auto_abbrev); + +my $lk_path = "./"; +my $email = 1; +my $email_usename = 1; +my $email_maintainer = 1; +my $email_list = 1; +my $email_subscriber_list = 0; +my $email_git = 1; +my $email_git_penguin_chiefs = 0; +my $email_git_min_signatures = 1; +my $email_git_max_maintainers = 5; +my $email_git_since = "1-year-ago"; +my $output_multiline = 1; +my $output_separator = ", "; +my $scm = 0; +my $web = 0; +my $subsystem = 0; +my $status = 0; +my $onefile = 0; +my $version = 0; +my $help = 0; + +my $exit = 0; + +my @penguin_chief = (); +push(@penguin_chief,"Linus Torvalds:torvalds\@linux-foundation.org"); +#Andrew wants in on most everything - 2009/01/14 +#push(@penguin_chief,"Andrew Morton:akpm\@linux-foundation.org"); + +my @penguin_chief_names = (); +foreach my $chief (@penguin_chief) { + if ($chief =~ m/^(.*):(.*)/) { + my $chief_name = $1; + my $chief_addr = $2; + push(@penguin_chief_names, $chief_name); + } +} +my $penguin_chiefs = "\(" . join("|",@penguin_chief_names) . "\)"; + +if (!GetOptions( + 'email!' => \$email, + 'git!' => \$email_git, + 'git-chief-penguins!' => \$email_git_penguin_chiefs, + 'git-min-signatures=i' => \$email_git_min_signatures, + 'git-max-maintainers=i' => \$email_git_max_maintainers, + 'git-since=s' => \$email_git_since, + 'm!' => \$email_maintainer, + 'n!' => \$email_usename, + 'l!' => \$email_list, + 's!' => \$email_subscriber_list, + 'multiline!' => \$output_multiline, + 'separator=s' => \$output_separator, + 'subsystem!' => \$subsystem, + 'status!' => \$status, + 'scm!' => \$scm, + 'web!' => \$web, + 'f|file' => \$onefile, + 'v|version' => \$version, + 'h|help' => \$help, + )) { + usage(); + die "$P: invalid argument\n"; +} + +if ($help != 0) { + usage(); + exit 0; +} + +if ($version != 0) { + print("${P} ${V}\n"); + exit 0; +} + +my $infile = $ARGV[0]; + +if ($#ARGV < 0) { + usage(); + die "$P: argument missing: patchfile or -f file please\n"; +} + +my $selections = $email + $scm + $status + $subsystem + $web; +if ($selections == 0) { + usage(); + die "$P: Missing required option: email, scm, status, subsystem or web\n"; +} + +if ($email && ($email_maintainer + $email_list + $email_subscriber_list + + $email_git + $email_git_penguin_chiefs) == 0) { + usage(); + die "$P: Please select at least 1 email option\n"; +} + +if (!top_of_kernel_tree($lk_path)) { + die "$P: The current directory does not appear to be " + . "a linux kernel source tree.\n"; +} + +## Read MAINTAINERS for type/value pairs + +my @typevalue = (); +open(MAINT, "<${lk_path}MAINTAINERS") || die "$P: Can't open MAINTAINERS\n"; +while () { + my $line = $_; + + if ($line =~ m/^(\C):\s*(.*)/) { + my $type = $1; + my $value = $2; + + ##Filename pattern matching + if ($type eq "F" || $type eq "X") { + $value =~ s@\.@\\\.@g; ##Convert . to \. + $value =~ s/\*/\.\*/g; ##Convert * to .* + $value =~ s/\?/\./g; ##Convert ? to . + } + push(@typevalue, "$type:$value"); + } elsif (!/^(\s)*$/) { + $line =~ s/\n$//g; + push(@typevalue, $line); + } +} +close(MAINT); + +## use the filename on the command line or find the filenames in the patchfile + +my @files = (); + +if ($onefile) { + if (!(-f $infile)) { + die "$P: file '${infile}' not found\n"; + } + push(@files, $infile); +} else { + open(PATCH, "<$infile") or die "$P: Can't open ${infile}\n"; + while () { + if (m/^\+\+\+\s+(\S+)/) { + my $file = $1; + $file =~ s@^[^/]*/@@; + $file =~ s@\n@@; + push(@files, $file); + } + } + close(PATCH); + my $file_cnt = @files; + if ($file_cnt == 0) { + print STDERR "$P: file '${infile}' doesn't appear to be a patch. " + . "Add -f to options?\n"; + } + @files = sort_and_uniq(@files); +} + +my @email_to = (); +my @scm = (); +my @web = (); +my @subsystem = (); +my @status = (); + +# Find responsible parties + +foreach my $file (@files) { + +#Do not match excluded file patterns + + my $exclude = 0; + foreach my $line (@typevalue) { + if ($line =~ m/^(\C):(.*)/) { + my $type = $1; + my $value = $2; + if ($type eq 'X') { + if (file_match_pattern($file, $value)) { + $exclude = 1; + } + } + } + } + + if (!$exclude) { + my $tvi = 0; + foreach my $line (@typevalue) { + if ($line =~ m/^(\C):(.*)/) { + my $type = $1; + my $value = $2; + if ($type eq 'F') { + if (file_match_pattern($file, $value)) { + add_categories($tvi); + } + } + } + $tvi++; + } + } + + if ($email_git) { + recent_git_signoffs($file); + } + +} + +if ($email_git_penguin_chiefs) { + foreach my $chief (@penguin_chief) { + if ($chief =~ m/^(.*):(.*)/) { + my $chief_name = $1; + my $chief_addr = $2; + if ($email_usename) { + push(@email_to, format_email($chief_name, $chief_addr)); + } else { + push(@email_to, $chief_addr); + } + } + } +} + +if ($email) { + my $address_cnt = @email_to; + if ($address_cnt == 0 && $email_list) { + push(@email_to, "linux-kernel\@vger.kernel.org"); + } + +#Don't sort email address list, but do remove duplicates + @email_to = uniq(@email_to); + output(@email_to); +} + +if ($scm) { + if (!$onefile) { + @scm = sort_and_uniq(@scm); + } + output(@scm); +} + +if ($status) { + if (!$onefile) { + @status = sort_and_uniq(@status); + } + output(@status); +} + +if ($subsystem) { + if (!$onefile) { + @subsystem = sort_and_uniq(@subsystem); + } + output(@subsystem); +} + +if ($web) { + if (!$onefile) { + @web = sort_and_uniq(@web); + } + output(@web); +} + +exit($exit); + +sub file_match_pattern { + my ($file, $pattern) = @_; + if (substr($pattern, -1) eq "/") { + if ($file =~ m@^$pattern@) { + return 1; + } + } else { + if ($file =~ m@^$pattern@) { + my $s1 = ($file =~ tr@/@@); + my $s2 = ($pattern =~ tr@/@@); + if ($s1 == $s2) { + return 1; + } + } + } + return 0; +} + +sub usage { + print < print email address(es) if any + --git => include recent git \*-by: signers + --git-chief-penguins => include ${penguin_chiefs} + --git-min-signatures => number of signatures required (default: 1) + --git-max-maintainers => maximum maintainers to add (default: 5) + --git-since => git history to use (default: 1-year-ago) + --m => include maintainer(s) if any + --n => include name 'Full Name ' + --l => include list(s) if any + --s => include subscriber only list(s) if any + --scm => print SCM tree(s) if any + --status => print status if any + --subsystem => print subsystem name if any + --web => print website(s) if any + +Output type options: + --separator [, ] => separator for multiple entries on 1 line + --multiline => print 1 entry per line + +Default options: + [--email --git --m --l --multiline] + +Other options: + --version -> show version + --help => show this help information + +EOT +} + +sub top_of_kernel_tree { + my ($lk_path) = @_; + + if ($lk_path ne "" && substr($lk_path,length($lk_path)-1,1) ne "/") { + $lk_path .= "/"; + } + if ( (-f "${lk_path}COPYING") + && (-f "${lk_path}CREDITS") + && (-f "${lk_path}Kbuild") + && (-f "${lk_path}MAINTAINERS") + && (-f "${lk_path}Makefile") + && (-f "${lk_path}README") + && (-d "${lk_path}Documentation") + && (-d "${lk_path}arch") + && (-d "${lk_path}include") + && (-d "${lk_path}drivers") + && (-d "${lk_path}fs") + && (-d "${lk_path}init") + && (-d "${lk_path}ipc") + && (-d "${lk_path}kernel") + && (-d "${lk_path}lib") + && (-d "${lk_path}scripts")) { + return 1; + } + return 0; +} + +sub format_email { + my ($name, $email) = @_; + + $name =~ s/^\s+|\s+$//g; + $email =~ s/^\s+|\s+$//g; + + my $formatted_email = ""; + + if ($name =~ /[^a-z0-9 \.\-]/i) { ##has "must quote" chars + $name =~ s/(?"; + } else { + $formatted_email = "${name} \<${email}\>"; + } + return $formatted_email; +} + +sub add_categories { + my ($index) = @_; + + $index = $index - 1; + while ($index >= 0) { + my $tv = $typevalue[$index]; + if ($tv =~ m/^(\C):(.*)/) { + my $ptype = $1; + my $pvalue = $2; + if ($ptype eq "L") { + my $subscr = $pvalue; + if ($subscr =~ m/\s*\(subscribers-only\)/) { + if ($email_subscriber_list) { + $subscr =~ s/\s*\(subscribers-only\)//g; + push(@email_to, $subscr); + } + } else { + if ($email_list) { + push(@email_to, $pvalue); + } + } + } elsif ($ptype eq "M") { + if ($email_maintainer) { + if ($index >= 0) { + my $tv = $typevalue[$index - 1]; + if ($tv =~ m/^(\C):(.*)/) { + if ($1 eq "P" && $email_usename) { + push(@email_to, format_email($2, $pvalue)); + } else { + push(@email_to, $pvalue); + } + } + } else { + push(@email_to, $pvalue); + } + } + } elsif ($ptype eq "T") { + push(@scm, $pvalue); + } elsif ($ptype eq "W") { + push(@web, $pvalue); + } elsif ($ptype eq "S") { + push(@status, $pvalue); + } + + $index--; + } else { + push(@subsystem,$tv); + $index = -1; + } + } +} + +sub which { + my ($bin) = @_; + + foreach my $path (split /:/, $ENV{PATH}) { + if (-e "$path/$bin") { + return "$path/$bin"; + } + } + + return ""; +} + +sub recent_git_signoffs { + my ($file) = @_; + + my $sign_offs = ""; + my $cmd = ""; + my $output = ""; + my $count = 0; + my @lines = (); + + if (which("git") eq "") { + die("$P: git not found. Add --nogit to options?\n"); + } + + $cmd = "git log --since=${email_git_since} -- ${file}"; + $cmd .= " | grep -P '^ [-A-Za-z]+by:.*\\\@'"; + if (!$email_git_penguin_chiefs) { + $cmd .= " | grep -E -v \"${penguin_chiefs}\""; + } + $cmd .= " | sort | uniq -c | sort -rn"; + + $output = `${cmd}`; + $output =~ s/^\s*//gm; + + @lines = split("\n", $output); + foreach my $line (@lines) { + if ($line =~ m/([0-9]+)\s+([-A-Za-z]+by:)\s+(.*)/) { + my $sign_offs = $1; + $line = $3; + $count++; + if ($sign_offs < $email_git_min_signatures || + $count > $email_git_max_maintainers) { + last; + } + } else { + die("$P: Unexpected git output: ${line}\n"); + } + if ($line =~ m/(.*) <(.*)>/) { + my $git_name = $1; + my $git_addr = $2; + $git_name =~ tr/^\"//; + $git_name =~ tr/\"$//; + if ($email_usename) { + push(@email_to, format_email($git_name, $git_addr)); + } else { + push(@email_to, $git_addr); + } + } elsif ($line =~ m/<(.*)>/) { + my $git_addr = $1; + push(@email_to, $git_addr); + } else { + push(@email_to, $line); + } + } + return $output; +} + +sub uniq { + my @parms = @_; + + my %saw; + @parms = grep(!$saw{$_}++, @parms); + return @parms; +} + +sub sort_and_uniq { + my @parms = @_; + + my %saw; + @parms = sort @parms; + @parms = grep(!$saw{$_}++, @parms); + return @parms; +} + +sub output { + my @parms = @_; + + if ($output_multiline) { + foreach my $line (@parms) { + print("${line}\n"); + } + } else { + print(join($output_separator, @parms)); + print("\n"); + } +} -- cgit v1.2.3 From 4a7fdb5f51a4d9228b0ff93494b95f72be5e904a Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Fri, 10 Apr 2009 12:28:57 -0700 Subject: scripts/get_maintainer.pl - Allow multiple files on command line Improve handling of "by:" signoffs Sorting and frequency checks are done by name/email, not by "by:" tag. Signed-off-by: Joe Perches --- scripts/get_maintainer.pl | 85 +++++++++++++++++++++++------------------------ 1 file changed, 41 insertions(+), 44 deletions(-) (limited to 'scripts') diff --git a/scripts/get_maintainer.pl b/scripts/get_maintainer.pl index 0f3c0a5b5a5b..60dc0c48c929 100755 --- a/scripts/get_maintainer.pl +++ b/scripts/get_maintainer.pl @@ -13,7 +13,7 @@ use strict; my $P = $0; -my $V = '0.14'; +my $V = '0.15'; use Getopt::Long qw(:config no_auto_abbrev); @@ -34,7 +34,7 @@ my $scm = 0; my $web = 0; my $subsystem = 0; my $status = 0; -my $onefile = 0; +my $from_filename = 0; my $version = 0; my $help = 0; @@ -72,7 +72,7 @@ if (!GetOptions( 'status!' => \$status, 'scm!' => \$scm, 'web!' => \$web, - 'f|file' => \$onefile, + 'f|file' => \$from_filename, 'v|version' => \$version, 'h|help' => \$help, )) { @@ -90,8 +90,6 @@ if ($version != 0) { exit 0; } -my $infile = $ARGV[0]; - if ($#ARGV < 0) { usage(); die "$P: argument missing: patchfile or -f file please\n"; @@ -139,32 +137,35 @@ while () { } close(MAINT); -## use the filename on the command line or find the filenames in the patchfile +## use the filenames on the command line or find the filenames in the patchfiles my @files = (); -if ($onefile) { - if (!(-f $infile)) { - die "$P: file '${infile}' not found\n"; +foreach my $file (@ARGV) { + next if ((-d $file)); + if (!(-f $file)) { + die "$P: file '${file}' not found\n"; } - push(@files, $infile); -} else { - open(PATCH, "<$infile") or die "$P: Can't open ${infile}\n"; - while () { - if (m/^\+\+\+\s+(\S+)/) { - my $file = $1; - $file =~ s@^[^/]*/@@; - $file =~ s@\n@@; - push(@files, $file); + if ($from_filename) { + push(@files, $file); + } else { + my $file_cnt = @files; + open(PATCH, "<$file") or die "$P: Can't open ${file}\n"; + while () { + if (m/^\+\+\+\s+(\S+)/) { + my $filename = $1; + $filename =~ s@^[^/]*/@@; + $filename =~ s@\n@@; + push(@files, $filename); + } } + close(PATCH); + if ($file_cnt == @files) { + die "$P: file '${file}' doesn't appear to be a patch. " + . "Add -f to options?\n"; + } + @files = sort_and_uniq(@files); } - close(PATCH); - my $file_cnt = @files; - if ($file_cnt == 0) { - print STDERR "$P: file '${infile}' doesn't appear to be a patch. " - . "Add -f to options?\n"; - } - @files = sort_and_uniq(@files); } my @email_to = (); @@ -208,7 +209,7 @@ foreach my $file (@files) { } } - if ($email_git) { + if ($email && $email_git) { recent_git_signoffs($file); } @@ -240,30 +241,22 @@ if ($email) { } if ($scm) { - if (!$onefile) { - @scm = sort_and_uniq(@scm); - } + @scm = sort_and_uniq(@scm); output(@scm); } if ($status) { - if (!$onefile) { - @status = sort_and_uniq(@status); - } + @status = sort_and_uniq(@status); output(@status); } if ($subsystem) { - if (!$onefile) { - @subsystem = sort_and_uniq(@subsystem); - } + @subsystem = sort_and_uniq(@subsystem); output(@subsystem); } if ($web) { - if (!$onefile) { - @web = sort_and_uniq(@web); - } + @web = sort_and_uniq(@web); output(@web); } @@ -445,10 +438,12 @@ sub recent_git_signoffs { } $cmd = "git log --since=${email_git_since} -- ${file}"; - $cmd .= " | grep -P '^ [-A-Za-z]+by:.*\\\@'"; + $cmd .= " | grep -Pi \"^[-_ a-z]+by:.*\\\@\""; if (!$email_git_penguin_chiefs) { - $cmd .= " | grep -E -v \"${penguin_chiefs}\""; + $cmd .= " | grep -Pv \"${penguin_chiefs}\""; } + $cmd .= " | cut -f2- -d\":\""; + $cmd .= " | sed -e \"s/^\\s+//g\""; $cmd .= " | sort | uniq -c | sort -rn"; $output = `${cmd}`; @@ -456,9 +451,9 @@ sub recent_git_signoffs { @lines = split("\n", $output); foreach my $line (@lines) { - if ($line =~ m/([0-9]+)\s+([-A-Za-z]+by:)\s+(.*)/) { + if ($line =~ m/([0-9]+)\s+(.*)/) { my $sign_offs = $1; - $line = $3; + $line = $2; $count++; if ($sign_offs < $email_git_min_signatures || $count > $email_git_max_maintainers) { @@ -467,17 +462,19 @@ sub recent_git_signoffs { } else { die("$P: Unexpected git output: ${line}\n"); } - if ($line =~ m/(.*) <(.*)>/) { + if ($line =~ m/(.+)<(.+)>/) { my $git_name = $1; my $git_addr = $2; $git_name =~ tr/^\"//; + $git_name =~ tr/^\\s*//; $git_name =~ tr/\"$//; + $git_name =~ tr/\\s*$//; if ($email_usename) { push(@email_to, format_email($git_name, $git_addr)); } else { push(@email_to, $git_addr); } - } elsif ($line =~ m/<(.*)>/) { + } elsif ($line =~ m/<(.+)>/) { my $git_addr = $1; push(@email_to, $git_addr); } else { -- cgit v1.2.3 From 79ff807cf23ffb527f3f35bdececf56cabcdee07 Mon Sep 17 00:00:00 2001 From: Uwe Kleine-König Date: Sun, 29 Mar 2009 15:01:47 +0200 Subject: kbuild: fix option processing for -I in headerdep MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit -I takes an argument. Without this change only a 1 is added to @opt_include which is not helpful. Signed-off-by: Uwe Kleine-König Acked-by: Vegard Nossum Signed-off-by: Sam Ravnborg --- scripts/headerdep.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'scripts') diff --git a/scripts/headerdep.pl b/scripts/headerdep.pl index 97399da89ef2..b7f6c560e24d 100755 --- a/scripts/headerdep.pl +++ b/scripts/headerdep.pl @@ -19,7 +19,7 @@ my $opt_graph; version => \&version, all => \$opt_all, - I => \@opt_include, + "I=s" => \@opt_include, graph => \$opt_graph, ); -- cgit v1.2.3 From 612c280ef2400c70ea2fd8f2e17549c95002368c Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Wed, 8 Apr 2009 08:42:48 +0200 Subject: kconfig: fix update-po-config to accect backslash in input Massimo Maiurana reported (slightly edited): ===== In latest 2.6.29 "make update-po-config" fails at msguniq invocation with an "invalid control sequence" error. The offending string is the following, and it's located in drivers/staging/panel/Kconfig:72: "'\e[L' which are specific to the LCD, and a few ANSI codes. The" looks to me like gettext expects strings in printf format, so in this case it thinks "\e" is a control sequence but doesn't recognise it as a valid one. A valid solution would be to tell kxgettext to automatically escape this kind of strings in the */config.pot he produces, so that msguniq would not complain. ===== This patch implements the suggested escaping. Reported-by: Massimo Maiurana Tested-by: Massimo Maiurana Signed-off-by: Sam Ravnborg --- scripts/kconfig/kxgettext.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'scripts') diff --git a/scripts/kconfig/kxgettext.c b/scripts/kconfig/kxgettext.c index 6eb72a7f2562..8d9ce22b0fc5 100644 --- a/scripts/kconfig/kxgettext.c +++ b/scripts/kconfig/kxgettext.c @@ -43,6 +43,10 @@ static char *escape(const char* text, char *bf, int len) ++text; goto next; } + else if (*text == '\\') { + *bfp++ = '\\'; + len--; + } *bfp++ = *text++; next: --len; -- cgit v1.2.3 From 4774bb1ced60a94d83b28e5a42d4cf01b83d9b60 Mon Sep 17 00:00:00 2001 From: Peter Korsgaard Date: Thu, 26 Mar 2009 21:58:04 +0100 Subject: kbuild: use git svn instead of git-svn in setlocalversion Use the correct git syntax instead of the deprecated git-. Signed-off-by: Peter Korsgaard Signed-off-by: Sam Ravnborg --- scripts/setlocalversion | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'scripts') diff --git a/scripts/setlocalversion b/scripts/setlocalversion index f1c4b35bc324..47e75b69a2e9 100755 --- a/scripts/setlocalversion +++ b/scripts/setlocalversion @@ -21,7 +21,7 @@ if head=`git rev-parse --verify --short HEAD 2>/dev/null`; then # Is this git on svn? if git config --get svn-remote.svn.url >/dev/null; then - printf -- '-svn%s' "`git-svn find-rev $head`" + printf -- '-svn%s' "`git svn find-rev $head`" fi # Are there uncommitted changes? -- cgit v1.2.3 From c7bb349e7c25df1ae1bbb72675b9bb02e1d9c464 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Fri, 10 Apr 2009 08:52:43 +0200 Subject: kbuild: introduce destination-y for exported headers xtensa and arm have asked for a possibility to export headers and locate them in a specific directory when exported. Introduce destiantion-y to support this. This patch in additiona adds some limited documentation for the variables used for exported headers. Signed-off-by: Sam Ravnborg Cc: Oskar Schirmer Cc: Mikael Starvik --- Documentation/kbuild/makefiles.txt | 83 ++++++++++++++++++++++++++++++++++---- scripts/Makefile.headersinst | 2 + 2 files changed, 77 insertions(+), 8 deletions(-) (limited to 'scripts') diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt index 51104f9194a5..d4b05672f9f7 100644 --- a/Documentation/kbuild/makefiles.txt +++ b/Documentation/kbuild/makefiles.txt @@ -40,10 +40,16 @@ This document describes the Linux kernel Makefiles. --- 6.7 Custom kbuild commands --- 6.8 Preprocessing linker scripts - === 7 Kbuild Variables - === 8 Makefile language - === 9 Credits - === 10 TODO + === 7 Kbuild syntax for exported headers + --- 7.1 header-y + --- 7.2 objhdr-y + --- 7.3 destination-y + --- 7.4 unifdef-y (deprecated) + + === 8 Kbuild Variables + === 9 Makefile language + === 10 Credits + === 11 TODO === 1 Overview @@ -1143,8 +1149,69 @@ When kbuild executes, the following steps are followed (roughly): The kbuild infrastructure for *lds file are used in several architecture-specific files. +=== 7 Kbuild syntax for exported headers + +The kernel include a set of headers that is exported to userspace. +Many headers can be exported as-is but other headers requires a +minimal pre-processing before they are ready for user-space. +The pre-processing does: +- drop kernel specific annotations +- drop include of compiler.h +- drop all sections that is kernel internat (guarded by ifdef __KERNEL__) + +Each relevant directory contain a file name "Kbuild" which specify the +headers to be exported. +See subsequent chapter for the syntax of the Kbuild file. + + --- 7.1 header-y + + header-y specify header files to be exported. + + Example: + #include/linux/Kbuild + header-y += usb/ + header-y += aio_abi.h + + The convention is to list one file per line and + preferably in alphabetic order. + + header-y also specify which subdirectories to visit. + A subdirectory is identified by a trailing '/' which + can be seen in the example above for the usb subdirectory. + + Subdirectories are visited before their parent directories. + + --- 7.2 objhdr-y + + objhdr-y specifies generated files to be exported. + Generated files are special as they need to be looked + up in another directory when doing 'make O=...' builds. + + Example: + #include/linux/Kbuild + objhdr-y += version.h + + --- 7.3 destination-y + + When an architecture have a set of exported headers that needs to be + exported to a different directory destination-y is used. + destination-y specify the destination directory for all exported + headers in the file where it is present. + + Example: + #arch/xtensa/platforms/s6105/include/platform/Kbuild + destination-y := include/linux + + In the example above all exported headers in the Kbuild file + will be located in the directory "include/linux" when exported. + + + --- 7.4 unifdef-y (deprecated) + + unifdef-y is deprecated. A direct replacement is header-y. + -=== 7 Kbuild Variables +=== 8 Kbuild Variables The top Makefile exports the following variables: @@ -1206,7 +1273,7 @@ The top Makefile exports the following variables: INSTALL_MOD_STRIP will used as the option(s) to the strip command. -=== 8 Makefile language +=== 9 Makefile language The kernel Makefiles are designed to be run with GNU Make. The Makefiles use only the documented features of GNU Make, but they do use many @@ -1225,14 +1292,14 @@ time the left-hand side is used. There are some cases where "=" is appropriate. Usually, though, ":=" is the right choice. -=== 9 Credits +=== 10 Credits Original version made by Michael Elizabeth Chastain, Updates by Kai Germaschewski Updates by Sam Ravnborg Language QA by Jan Engelhardt -=== 10 TODO +=== 11 TODO - Describe how kbuild supports shipped files with _shipped. - Generating offset header files. diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst index 612dc13ddd85..095cfc8b9dbf 100644 --- a/scripts/Makefile.headersinst +++ b/scripts/Makefile.headersinst @@ -14,6 +14,8 @@ _dst := $(if $(dst),$(dst),$(obj)) kbuild-file := $(srctree)/$(obj)/Kbuild include $(kbuild-file) +_dst := $(if $(destination-y),$(destination-y),$(_dst)) + include scripts/Kbuild.include install := $(INSTALL_HDR_PATH)/$(_dst) -- cgit v1.2.3 From 0fa3a88cfdfc910d7f335aef588edf9819c05d54 Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Thu, 12 Mar 2009 12:28:30 +0000 Subject: kbuild: remove pointless strdup() on arguments passed to new_module() in modpost new_module() itself already calls strdup() on its modname parameter. Signed-off-by: Jan Beulich Signed-off-by: Sam Ravnborg --- scripts/mod/modpost.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'scripts') diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 8cc70612984c..df6e6286a065 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -1913,7 +1913,7 @@ static void read_dump(const char *fname, unsigned int kernel) if (!mod) { if (is_vmlinux(modname)) have_vmlinux = 1; - mod = new_module(NOFAIL(strdup(modname))); + mod = new_module(modname); mod->skip = 1; } s = sym_add_exported(symname, mod, export_no(export)); @@ -1997,7 +1997,7 @@ static void read_markers(const char *fname) mod = find_module(modname); if (!mod) { - mod = new_module(NOFAIL(strdup(modname))); + mod = new_module(modname); mod->skip = 1; } if (is_vmlinux(modname)) { -- cgit v1.2.3 From 9e5ec8615209f6a5bf2a612120d972b6021790da Mon Sep 17 00:00:00 2001 From: Maxime Bizon Date: Mon, 9 Feb 2009 18:49:52 +0100 Subject: kbuild: fix spurious initramfs rebuild When gen_initramfs_list is used to generate make dependencies, it includes symbolic links, for which make tracks the link target. Any change to that target will cause an initramfs rebuild, even if the symlink points to something outside of the initramfs directory. If the target happens to be /tmp, the rebuild occurs for each kernel build, since gen_initramfs_list uses mktemp... Proposed way to fix it is to omit symbolic links from generated dependencies, but this has a small drawback: changing perm/owner on a symlink will go unnoticed. Signed-off-by: Maxime Bizon Signed-off-by: Sam Ravnborg --- scripts/gen_initramfs_list.sh | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'scripts') diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh index 3eea8f15131b..76af5f9623e3 100644 --- a/scripts/gen_initramfs_list.sh +++ b/scripts/gen_initramfs_list.sh @@ -97,7 +97,7 @@ print_mtime() { } list_parse() { - echo "$1 \\" + [ ! -L "$1" ] && echo "$1 \\" || : } # for each file print a line in following format -- cgit v1.2.3