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-rw-r--r--scripts/Kbuild.include1
-rw-r--r--scripts/Makefile6
-rw-r--r--scripts/Makefile.build12
-rw-r--r--scripts/Makefile.lib4
-rw-r--r--scripts/bootgraph.pl42
-rw-r--r--scripts/coccinelle/api/ptr_ret.cocci14
-rw-r--r--scripts/coccinelle/misc/memcpy-assign.cocci103
-rw-r--r--scripts/kallsyms.c74
-rw-r--r--scripts/kconfig/confdata.c5
-rw-r--r--scripts/kconfig/expr.h3
-rw-r--r--scripts/kconfig/lkc.h1
-rw-r--r--scripts/kconfig/menu.c3
-rw-r--r--scripts/kconfig/zconf.gperf1
-rw-r--r--scripts/kconfig/zconf.hash.c_shipped13
-rw-r--r--scripts/link-vmlinux.sh4
-rwxr-xr-xscripts/mkcompile_h2
-rw-r--r--scripts/mod/file2alias.c14
-rwxr-xr-xscripts/objdiff141
-rwxr-xr-xscripts/tags.sh9
19 files changed, 294 insertions, 158 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 93a0da26582..122f95c9586 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -3,6 +3,7 @@
# Convenient variables
comma := ,
+quote := "
squote := '
empty :=
space := $(empty) $(empty)
diff --git a/scripts/Makefile b/scripts/Makefile
index 01e7adb838d..1d07860f6c4 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -27,10 +27,10 @@ always := $(hostprogs-y) $(hostprogs-m)
hostprogs-y += unifdef docproc
# These targets are used internally to avoid "is up to date" messages
-PHONY += build_unifdef
-build_unifdef: scripts/unifdef FORCE
+PHONY += build_unifdef build_docproc
+build_unifdef: $(obj)/unifdef
@:
-build_docproc: scripts/docproc FORCE
+build_docproc: $(obj)/docproc
@:
subdir-$(CONFIG_MODVERSIONS) += genksyms
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 9f0ee22b914..003bc263105 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -65,12 +65,22 @@ warning- := $(empty)
warning-1 := -Wextra -Wunused -Wno-unused-parameter
warning-1 += -Wmissing-declarations
warning-1 += -Wmissing-format-attribute
-warning-1 += -Wmissing-prototypes
+warning-1 += $(call cc-option, -Wmissing-prototypes)
warning-1 += -Wold-style-definition
warning-1 += $(call cc-option, -Wmissing-include-dirs)
warning-1 += $(call cc-option, -Wunused-but-set-variable)
warning-1 += $(call cc-disable-warning, missing-field-initializers)
+# Clang
+warning-1 += $(call cc-disable-warning, initializer-overrides)
+warning-1 += $(call cc-disable-warning, unused-value)
+warning-1 += $(call cc-disable-warning, format)
+warning-1 += $(call cc-disable-warning, unknown-warning-option)
+warning-1 += $(call cc-disable-warning, sign-compare)
+warning-1 += $(call cc-disable-warning, format-zero-length)
+warning-1 += $(call cc-disable-warning, uninitialized)
+warning-1 += $(call cc-option, -fcatch-undefined-behavior)
+
warning-2 := -Waggregate-return
warning-2 += -Wcast-align
warning-2 += -Wdisabled-optimization
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 72105d10435..6a5b0decb79 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -380,7 +380,3 @@ quiet_cmd_xzmisc = XZMISC $@
cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
(rm -f $@ ; false)
-
-# misc stuff
-# ---------------------------------------------------------------------------
-quote:="
diff --git a/scripts/bootgraph.pl b/scripts/bootgraph.pl
index b78fca994a1..9ca667bcaee 100644
--- a/scripts/bootgraph.pl
+++ b/scripts/bootgraph.pl
@@ -38,6 +38,31 @@
#
use strict;
+use Getopt::Long;
+my $header = 0;
+
+sub help {
+ my $text = << "EOM";
+Usage:
+1) dmesg | perl scripts/bootgraph.pl [OPTION] > output.svg
+2) perl scripts/bootgraph.pl -h
+
+Options:
+ -header Insert kernel version and date
+EOM
+ my $std=shift;
+ if ($std == 1) {
+ print STDERR $text;
+ } else {
+ print $text;
+ }
+ exit;
+}
+
+GetOptions(
+ 'h|help' =>\&help,
+ 'header' =>\$header
+);
my %start;
my %end;
@@ -49,6 +74,11 @@ my $count = 0;
my %pids;
my %pidctr;
+my $headerstep = 20;
+my $xheader = 15;
+my $yheader = 25;
+my $cyheader = 0;
+
while (<>) {
my $line = $_;
if ($line =~ /([0-9\.]+)\] calling ([a-zA-Z0-9\_\.]+)\+/) {
@@ -112,15 +142,23 @@ if ($count == 0) {
print STDERR <<END;
No data found in the dmesg. Make sure that 'printk.time=1' and
'initcall_debug' are passed on the kernel command line.
-Usage:
- dmesg | perl scripts/bootgraph.pl > output.svg
END
+ help(1);
exit 1;
}
print "<?xml version=\"1.0\" standalone=\"no\"?> \n";
print "<svg width=\"2000\" height=\"100%\" version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\">\n";
+
+if ($header) {
+ my $version = `uname -a`;
+ my $date = `date`;
+ print "<text transform=\"translate($xheader,$yheader)\">Kernel version: $version</text>\n";
+ $cyheader = $yheader+$headerstep;
+ print "<text transform=\"translate($xheader,$cyheader)\">Date: $date</text>\n";
+}
+
my @styles;
$styles[0] = "fill:rgb(0,0,255);fill-opacity:0.5;stroke-width:1;stroke:rgb(0,0,0)";
diff --git a/scripts/coccinelle/api/ptr_ret.cocci b/scripts/coccinelle/api/ptr_ret.cocci
index e18f8402e37..dd58dab5d41 100644
--- a/scripts/coccinelle/api/ptr_ret.cocci
+++ b/scripts/coccinelle/api/ptr_ret.cocci
@@ -7,7 +7,7 @@
// URL: http://coccinelle.lip6.fr/
// Options: --no-includes --include-headers
//
-// Keywords: ERR_PTR, PTR_ERR, PTR_RET, PTR_ERR_OR_ZERO
+// Keywords: ERR_PTR, PTR_ERR, PTR_ERR_OR_ZERO
// Version min: 2.6.39
//
@@ -62,35 +62,35 @@ position p3;
p << r1.p1;
@@
-coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
+coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on org@
p << r2.p2;
@@
-coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
+coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on org@
p << r3.p3;
@@
-coccilib.org.print_todo(p[0], "WARNING: PTR_RET can be used")
+coccilib.org.print_todo(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on report@
p << r1.p1;
@@
-coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")
+coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on report@
p << r2.p2;
@@
-coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")
+coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
@script:python depends on report@
p << r3.p3;
@@
-coccilib.report.print_report(p[0], "WARNING: PTR_RET can be used")
+coccilib.report.print_report(p[0], "WARNING: PTR_ERR_OR_ZERO can be used")
diff --git a/scripts/coccinelle/misc/memcpy-assign.cocci b/scripts/coccinelle/misc/memcpy-assign.cocci
deleted file mode 100644
index afd058be497..00000000000
--- a/scripts/coccinelle/misc/memcpy-assign.cocci
+++ /dev/null
@@ -1,103 +0,0 @@
-//
-// Replace memcpy with struct assignment.
-//
-// Confidence: High
-// Copyright: (C) 2012 Peter Senna Tschudin, INRIA/LIP6. GPLv2.
-// URL: http://coccinelle.lip6.fr/
-// Comments:
-// Options: --no-includes --include-headers
-
-virtual patch
-virtual report
-virtual context
-virtual org
-
-@r1 depends on !patch@
-identifier struct_name;
-struct struct_name to;
-struct struct_name from;
-struct struct_name *top;
-struct struct_name *fromp;
-position p;
-@@
-memcpy@p(\(&(to)\|top\), \(&(from)\|fromp\), \(sizeof(to)\|sizeof(from)\|sizeof(struct struct_name)\|sizeof(*top)\|sizeof(*fromp)\))
-
-@script:python depends on report@
-p << r1.p;
-@@
-coccilib.report.print_report(p[0],"Replace memcpy with struct assignment")
-
-@depends on context@
-position r1.p;
-@@
-*memcpy@p(...);
-
-@script:python depends on org@
-p << r1.p;
-@@
-cocci.print_main("Replace memcpy with struct assignment",p)
-
-@depends on patch@
-identifier struct_name;
-struct struct_name to;
-struct struct_name from;
-@@
-(
--memcpy(&(to), &(from), sizeof(to));
-+to = from;
-|
--memcpy(&(to), &(from), sizeof(from));
-+to = from;
-|
--memcpy(&(to), &(from), sizeof(struct struct_name));
-+to = from;
-)
-
-@depends on patch@
-identifier struct_name;
-struct struct_name to;
-struct struct_name *from;
-@@
-(
--memcpy(&(to), from, sizeof(to));
-+to = *from;
-|
--memcpy(&(to), from, sizeof(*from));
-+to = *from;
-|
--memcpy(&(to), from, sizeof(struct struct_name));
-+to = *from;
-)
-
-@depends on patch@
-identifier struct_name;
-struct struct_name *to;
-struct struct_name from;
-@@
-(
--memcpy(to, &(from), sizeof(*to));
-+ *to = from;
-|
--memcpy(to, &(from), sizeof(from));
-+ *to = from;
-|
--memcpy(to, &(from), sizeof(struct struct_name));
-+ *to = from;
-)
-
-@depends on patch@
-identifier struct_name;
-struct struct_name *to;
-struct struct_name *from;
-@@
-(
--memcpy(to, from, sizeof(*to));
-+ *to = *from;
-|
--memcpy(to, from, sizeof(*from));
-+ *to = *from;
-|
--memcpy(to, from, sizeof(struct struct_name));
-+ *to = *from;
-)
-
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index 10085de886f..1237dd7fb4c 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -36,13 +36,13 @@ struct sym_entry {
unsigned char *sym;
};
-struct text_range {
- const char *stext, *etext;
+struct addr_range {
+ const char *start_sym, *end_sym;
unsigned long long start, end;
};
static unsigned long long _text;
-static struct text_range text_ranges[] = {
+static struct addr_range text_ranges[] = {
{ "_stext", "_etext" },
{ "_sinittext", "_einittext" },
{ "_stext_l1", "_etext_l1" }, /* Blackfin on-chip L1 inst SRAM */
@@ -51,9 +51,14 @@ static struct text_range text_ranges[] = {
#define text_range_text (&text_ranges[0])
#define text_range_inittext (&text_ranges[1])
+static struct addr_range percpu_range = {
+ "__per_cpu_start", "__per_cpu_end", -1ULL, 0
+};
+
static struct sym_entry *table;
static unsigned int table_size, table_cnt;
static int all_symbols = 0;
+static int absolute_percpu = 0;
static char symbol_prefix_char = '\0';
static unsigned long long kernel_start_addr = 0;
@@ -83,19 +88,20 @@ static inline int is_arm_mapping_symbol(const char *str)
&& (str[2] == '\0' || str[2] == '.');
}
-static int read_symbol_tr(const char *sym, unsigned long long addr)
+static int check_symbol_range(const char *sym, unsigned long long addr,
+ struct addr_range *ranges, int entries)
{
size_t i;
- struct text_range *tr;
+ struct addr_range *ar;
- for (i = 0; i < ARRAY_SIZE(text_ranges); ++i) {
- tr = &text_ranges[i];
+ for (i = 0; i < entries; ++i) {
+ ar = &ranges[i];
- if (strcmp(sym, tr->stext) == 0) {
- tr->start = addr;
+ if (strcmp(sym, ar->start_sym) == 0) {
+ ar->start = addr;
return 0;
- } else if (strcmp(sym, tr->etext) == 0) {
- tr->end = addr;
+ } else if (strcmp(sym, ar->end_sym) == 0) {
+ ar->end = addr;
return 0;
}
}
@@ -130,7 +136,8 @@ static int read_symbol(FILE *in, struct sym_entry *s)
/* Ignore most absolute/undefined (?) symbols. */
if (strcmp(sym, "_text") == 0)
_text = s->addr;
- else if (read_symbol_tr(sym, s->addr) == 0)
+ else if (check_symbol_range(sym, s->addr, text_ranges,
+ ARRAY_SIZE(text_ranges)) == 0)
/* nothing to do */;
else if (toupper(stype) == 'A')
{
@@ -164,18 +171,22 @@ static int read_symbol(FILE *in, struct sym_entry *s)
strcpy((char *)s->sym + 1, str);
s->sym[0] = stype;
+ /* Record if we've found __per_cpu_start/end. */
+ check_symbol_range(sym, s->addr, &percpu_range, 1);
+
return 0;
}
-static int symbol_valid_tr(struct sym_entry *s)
+static int symbol_in_range(struct sym_entry *s, struct addr_range *ranges,
+ int entries)
{
size_t i;
- struct text_range *tr;
+ struct addr_range *ar;
- for (i = 0; i < ARRAY_SIZE(text_ranges); ++i) {
- tr = &text_ranges[i];
+ for (i = 0; i < entries; ++i) {
+ ar = &ranges[i];
- if (s->addr >= tr->start && s->addr <= tr->end)
+ if (s->addr >= ar->start && s->addr <= ar->end)
return 1;
}
@@ -214,7 +225,8 @@ static int symbol_valid(struct sym_entry *s)
/* if --all-symbols is not specified, then symbols outside the text
* and inittext sections are discarded */
if (!all_symbols) {
- if (symbol_valid_tr(s) == 0)
+ if (symbol_in_range(s, text_ranges,
+ ARRAY_SIZE(text_ranges)) == 0)
return 0;
/* Corner case. Discard any symbols with the same value as
* _etext _einittext; they can move between pass 1 and 2 when
@@ -223,9 +235,11 @@ static int symbol_valid(struct sym_entry *s)
* rules.
*/
if ((s->addr == text_range_text->end &&
- strcmp((char *)s->sym + offset, text_range_text->etext)) ||
+ strcmp((char *)s->sym + offset,
+ text_range_text->end_sym)) ||
(s->addr == text_range_inittext->end &&
- strcmp((char *)s->sym + offset, text_range_inittext->etext)))
+ strcmp((char *)s->sym + offset,
+ text_range_inittext->end_sym)))
return 0;
}
@@ -298,6 +312,11 @@ static int expand_symbol(unsigned char *data, int len, char *result)
return total;
}
+static int symbol_absolute(struct sym_entry *s)
+{
+ return toupper(s->sym[0]) == 'A';
+}
+
static void write_src(void)
{
unsigned int i, k, off;
@@ -325,7 +344,7 @@ static void write_src(void)
*/
output_label("kallsyms_addresses");
for (i = 0; i < table_cnt; i++) {
- if (toupper(table[i].sym[0]) != 'A') {
+ if (!symbol_absolute(&table[i])) {
if (_text <= table[i].addr)
printf("\tPTR\t_text + %#llx\n",
table[i].addr - _text);
@@ -646,6 +665,15 @@ static void sort_symbols(void)
qsort(table, table_cnt, sizeof(struct sym_entry), compare_symbols);
}
+static void make_percpus_absolute(void)
+{
+ unsigned int i;
+
+ for (i = 0; i < table_cnt; i++)
+ if (symbol_in_range(&table[i], &percpu_range, 1))
+ table[i].sym[0] = 'A';
+}
+
int main(int argc, char **argv)
{
if (argc >= 2) {
@@ -653,6 +681,8 @@ int main(int argc, char **argv)
for (i = 1; i < argc; i++) {
if(strcmp(argv[i], "--all-symbols") == 0)
all_symbols = 1;
+ else if (strcmp(argv[i], "--absolute-percpu") == 0)
+ absolute_percpu = 1;
else if (strncmp(argv[i], "--symbol-prefix=", 16) == 0) {
char *p = &argv[i][16];
/* skip quote */
@@ -669,6 +699,8 @@ int main(int argc, char **argv)
usage();
read_map(stdin);
+ if (absolute_percpu)
+ make_percpus_absolute();
sort_symbols();
optimize_token_table();
write_src();
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 87f72380407..f88d90f2022 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -1178,7 +1178,10 @@ bool conf_set_all_new_symbols(enum conf_def_mode mode)
sym->def[S_DEF_USER].tri = mod;
break;
case def_no:
- sym->def[S_DEF_USER].tri = no;
+ if (sym->flags & SYMBOL_ALLNOCONFIG_Y)
+ sym->def[S_DEF_USER].tri = yes;
+ else
+ sym->def[S_DEF_USER].tri = no;
break;
case def_random:
sym->def[S_DEF_USER].tri = no;
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index ba663e1dc7e..412ea8a2abb 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -109,6 +109,9 @@ struct symbol {
/* choice values need to be set before calculating this symbol value */
#define SYMBOL_NEED_SET_CHOICE_VALUES 0x100000
+/* Set symbol to y if allnoconfig; used for symbols that hide others */
+#define SYMBOL_ALLNOCONFIG_Y 0x200000
+
#define SYMBOL_MAXLENGTH 256
#define SYMBOL_HASHSIZE 9973
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 09f4edfdc91..d5daa7af8b4 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -61,6 +61,7 @@ enum conf_def_mode {
#define T_OPT_MODULES 1
#define T_OPT_DEFCONFIG_LIST 2
#define T_OPT_ENV 3
+#define T_OPT_ALLNOCONFIG_Y 4
struct kconf_id {
int name;
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index db1512ae30c..3ac2c9c6e28 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -217,6 +217,9 @@ void menu_add_option(int token, char *arg)
case T_OPT_ENV:
prop_add_env(arg);
break;
+ case T_OPT_ALLNOCONFIG_Y:
+ current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y;
+ break;
}
}
diff --git a/scripts/kconfig/zconf.gperf b/scripts/kconfig/zconf.gperf
index f14ab41154b..b6ac02d604f 100644
--- a/scripts/kconfig/zconf.gperf
+++ b/scripts/kconfig/zconf.gperf
@@ -44,4 +44,5 @@ on, T_ON, TF_PARAM
modules, T_OPT_MODULES, TF_OPTION
defconfig_list, T_OPT_DEFCONFIG_LIST,TF_OPTION
env, T_OPT_ENV, TF_OPTION
+allnoconfig_y, T_OPT_ALLNOCONFIG_Y,TF_OPTION
%%
diff --git a/scripts/kconfig/zconf.hash.c_shipped b/scripts/kconfig/zconf.hash.c_shipped
index 40df0005daa..c77a8eff1ef 100644
--- a/scripts/kconfig/zconf.hash.c_shipped
+++ b/scripts/kconfig/zconf.hash.c_shipped
@@ -55,10 +55,10 @@ kconf_id_hash (register const char *str, register unsigned int len)
73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
- 73, 73, 73, 73, 73, 73, 73, 73, 25, 25,
+ 73, 73, 73, 73, 73, 73, 73, 5, 25, 25,
0, 0, 0, 5, 0, 0, 73, 73, 5, 0,
10, 5, 45, 73, 20, 20, 0, 15, 15, 73,
- 20, 73, 73, 73, 73, 73, 73, 73, 73, 73,
+ 20, 5, 73, 73, 73, 73, 73, 73, 73, 73,
73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
73, 73, 73, 73, 73, 73, 73, 73, 73, 73,
@@ -106,6 +106,7 @@ struct kconf_id_strings_t
char kconf_id_strings_str23[sizeof("mainmenu")];
char kconf_id_strings_str25[sizeof("menuconfig")];
char kconf_id_strings_str27[sizeof("modules")];
+ char kconf_id_strings_str28[sizeof("allnoconfig_y")];
char kconf_id_strings_str29[sizeof("menu")];
char kconf_id_strings_str31[sizeof("select")];
char kconf_id_strings_str32[sizeof("comment")];
@@ -141,6 +142,7 @@ static const struct kconf_id_strings_t kconf_id_strings_contents =
"mainmenu",
"menuconfig",
"modules",
+ "allnoconfig_y",
"menu",
"select",
"comment",
@@ -170,7 +172,7 @@ kconf_id_lookup (register const char *str, register unsigned int len)
{
enum
{
- TOTAL_KEYWORDS = 32,
+ TOTAL_KEYWORDS = 33,
MIN_WORD_LENGTH = 2,
MAX_WORD_LENGTH = 14,
MIN_HASH_VALUE = 2,
@@ -219,7 +221,8 @@ kconf_id_lookup (register const char *str, register unsigned int len)
{-1},
#line 44 "scripts/kconfig/zconf.gperf"
{(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27, T_OPT_MODULES, TF_OPTION},
- {-1},
+#line 47 "scripts/kconfig/zconf.gperf"
+ {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str28, T_OPT_ALLNOCONFIG_Y,TF_OPTION},
#line 16 "scripts/kconfig/zconf.gperf"
{(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str29, T_MENU, TF_COMMAND},
{-1},
@@ -282,5 +285,5 @@ kconf_id_lookup (register const char *str, register unsigned int len)
}
return 0;
}
-#line 47 "scripts/kconfig/zconf.gperf"
+#line 48 "scripts/kconfig/zconf.gperf"
diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh
index 2dcb37736d8..86a4fe75f45 100644
--- a/scripts/link-vmlinux.sh
+++ b/scripts/link-vmlinux.sh
@@ -86,6 +86,10 @@ kallsyms()
kallsymopt="${kallsymopt} --page-offset=$CONFIG_PAGE_OFFSET"
fi
+ if [ -n "${CONFIG_X86_64}" ]; then
+ kallsymopt="${kallsymopt} --absolute-percpu"
+ fi
+
local aflags="${KBUILD_AFLAGS} ${KBUILD_AFLAGS_KERNEL} \
${NOSTDINC_FLAGS} ${LINUXINCLUDE} ${KBUILD_CPPFLAGS}"
diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index f221ddf6908..cfb8440cc0b 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -76,7 +76,7 @@ UTS_TRUNCATE="cut -b -$UTS_LEN"
echo \#define LINUX_COMPILE_BY \"`echo $LINUX_COMPILE_BY | $UTS_TRUNCATE`\"
echo \#define LINUX_COMPILE_HOST \"`echo $LINUX_COMPILE_HOST | $UTS_TRUNCATE`\"
- echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
+ echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | grep ' version '`\"
) > .tmpcompile
# Only replace the real compile.h if the new one is different,
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 25f6f597055..1924990a737 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -42,7 +42,7 @@ typedef unsigned char __u8;
/* This array collects all instances that use the generic do_table */
struct devtable {
- const char *device_id; /* name of table, __mod_<name>_device_table. */
+ const char *device_id; /* name of table, __mod_<name>__*_device_table. */
unsigned long id_size;
void *function;
};
@@ -146,7 +146,8 @@ static void device_id_check(const char *modname, const char *device_id,
if (size % id_size || size < id_size) {
fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo "
- "of the size of section __mod_%s_device_table=%lu.\n"
+ "of the size of "
+ "section __mod_%s__<identifier>_device_table=%lu.\n"
"Fix definition of struct %s_device_id "
"in mod_devicetable.h\n",
modname, device_id, id_size, device_id, size, device_id);
@@ -1216,7 +1217,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
{
void *symval;
char *zeros = NULL;
- const char *name;
+ const char *name, *identifier;
unsigned int namelen;
/* We're looking for a section relative symbol */
@@ -1227,7 +1228,7 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
if (ELF_ST_TYPE(sym->st_info) != STT_OBJECT)
return;
- /* All our symbols are of form <prefix>__mod_XXX_device_table. */
+ /* All our symbols are of form <prefix>__mod_<name>__<identifier>_device_table. */
name = strstr(symname, "__mod_");
if (!name)
return;
@@ -1237,7 +1238,10 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
return;
if (strcmp(name + namelen - strlen("_device_table"), "_device_table"))
return;
- namelen -= strlen("_device_table");
+ identifier = strstr(name, "__");
+ if (!identifier)
+ return;
+ namelen = identifier - name;
/* Handle all-NULL symbols allocated into .bss */
if (info->sechdrs[get_secindex(info, sym)].sh_type & SHT_NOBITS) {
diff --git a/scripts/objdiff b/scripts/objdiff
new file mode 100755
index 00000000000..b3e4f10bfc3
--- /dev/null
+++ b/scripts/objdiff
@@ -0,0 +1,141 @@
+#!/bin/bash
+
+# objdiff - a small script for validating that a commit or series of commits
+# didn't change object code.
+#
+# Copyright 2014, Jason Cooper <jason@lakedaemon.net>
+#
+# Licensed under the terms of the GNU GPL version 2
+
+# usage example:
+#
+# $ git checkout COMMIT_A
+# $ <your fancy build command here>
+# $ ./scripts/objdiff record path/to/*.o
+#
+# $ git checkout COMMIT_B
+# $ <your fancy build command here>
+# $ ./scripts/objdiff record path/to/*.o
+#
+# $ ./scripts/objdiff diff COMMIT_A COMMIT_B
+# $
+
+# And to clean up (everything is in .tmp_objdiff/*)
+# $ ./scripts/objdiff clean all
+#
+# Note: 'make mrproper' will also remove .tmp_objdiff
+
+GIT_DIR="`git rev-parse --git-dir`"
+
+if [ -d "$GIT_DIR" ]; then
+ TMPD="${GIT_DIR%git}tmp_objdiff"
+
+ [ -d "$TMPD" ] || mkdir "$TMPD"
+else
+ echo "ERROR: git directory not found."
+ exit 1
+fi
+
+usage() {
+ echo "Usage: $0 <command> <args>"
+ echo " record <list of object files>"
+ echo " diff <commitA> <commitB>"
+ echo " clean all | <commit>"
+ exit 1
+}
+
+dorecord() {
+ [ $# -eq 0 ] && usage
+
+ FILES="$*"
+
+ CMT="`git rev-parse --short HEAD`"
+
+ OBJDUMP="${CROSS_COMPILE}objdump"
+ OBJDIFFD="$TMPD/$CMT"
+
+ [ ! -d "$OBJDIFFD" ] && mkdir -p "$OBJDIFFD"
+
+ for f in $FILES; do
+ dn="${f%/*}"
+ bn="${f##*/}"
+
+ [ ! -d "$OBJDIFFD/$dn" ] && mkdir -p "$OBJDIFFD/$dn"
+
+ # remove addresses for a more clear diff
+ # http://dummdida.tumblr.com/post/60924060451/binary-diff-between-libc-from-scientificlinux-and
+ $OBJDUMP -D "$f" | sed "s/^[[:space:]]\+[0-9a-f]\+//" \
+ >"$OBJDIFFD/$dn/$bn"
+ done
+}
+
+dodiff() {
+ [ $# -ne 2 ] && [ $# -ne 0 ] && usage
+
+ if [ $# -eq 0 ]; then
+ SRC="`git rev-parse --short HEAD^`"
+ DST="`git rev-parse --short HEAD`"
+ else
+ SRC="`git rev-parse --short $1`"
+ DST="`git rev-parse --short $2`"
+ fi
+
+ DIFF="`which colordiff`"
+
+ if [ ${#DIFF} -eq 0 ] || [ ! -x "$DIFF" ]; then
+ DIFF="`which diff`"
+ fi
+
+ SRCD="$TMPD/$SRC"
+ DSTD="$TMPD/$DST"
+
+ if [ ! -d "$SRCD" ]; then
+ echo "ERROR: $SRCD doesn't exist"
+ exit 1
+ fi
+
+ if [ ! -d "$DSTD" ]; then
+ echo "ERROR: $DSTD doesn't exist"
+ exit 1
+ fi
+
+ $DIFF -Nurd $SRCD $DSTD
+}
+
+doclean() {
+ [ $# -eq 0 ] && usage
+ [ $# -gt 1 ] && usage
+
+ if [ "x$1" = "xall" ]; then
+ rm -rf $TMPD/*
+ else
+ CMT="`git rev-parse --short $1`"
+
+ if [ -d "$TMPD/$CMT" ]; then
+ rm -rf $TMPD/$CMT
+ else
+ echo "$CMT not found"
+ fi
+ fi
+}
+
+[ $# -eq 0 ] && usage
+
+case "$1" in
+ record)
+ shift
+ dorecord $*
+ ;;
+ diff)
+ shift
+ dodiff $*
+ ;;
+ clean)
+ shift
+ doclean $*
+ ;;
+ *)
+ echo "Unrecognized command '$1'"
+ exit 1
+ ;;
+esac
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 58c45592909..f2c5b006a3d 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -11,11 +11,10 @@ if [ "$KBUILD_VERBOSE" = "1" ]; then
set -x
fi
-# This is a duplicate of RCS_FIND_IGNORE without escaped '()'
-ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \
- -name CVS -o -name .pc -o -name .hg -o \
- -name .git ) \
- -prune -o"
+# RCS_FIND_IGNORE has escaped ()s -- remove them.
+ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
+# tags and cscope files should also ignore MODVERSION *.mod.c files
+ignore="$ignore ( -name *.mod.c ) -prune -o"
# Do not use full path if we do not use O=.. builds
# Use make O=. {tags|cscope}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-10-14 17:26:56 +0000