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-rw-r--r--scripts/Kbuild.include84
-rw-r--r--scripts/gen_initramfs_list.sh43
-rw-r--r--scripts/kconfig/qconf.cc18
-rwxr-xr-xscripts/kernel-doc55
-rwxr-xr-xscripts/makelst34
-rwxr-xr-xscripts/mkcompile_h2
-rwxr-xr-xscripts/mkuboot.sh11
-rw-r--r--scripts/mod/modpost.c46
8 files changed, 180 insertions, 113 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index f01f8c072852..06c1a377c4c5 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -1,7 +1,7 @@
####
# kbuild: Generic definitions
-# Convinient variables
+# Convenient variables
comma := ,
squote := '
empty :=
@@ -59,32 +59,40 @@ endef
# output directory for tests below
TMPOUT := $(if $(KBUILD_EXTMOD),$(firstword $(KBUILD_EXTMOD))/)
+# try-run
+# Usage: option = $(call try-run, $(CC)...-o "$$TMP",option-ok,otherwise)
+# Exit code chooses option. "$$TMP" is can be used as temporary file and
+# is automatically cleaned up.
+try-run = $(shell set -e; \
+ TMP="$(TMPOUT).$$$$.tmp"; \
+ if ($(1)) >/dev/null 2>&1; \
+ then echo "$(2)"; \
+ else echo "$(3)"; \
+ fi; \
+ rm -f "$$TMP")
+
# as-option
-# Usage: cflags-y += $(call as-option, -Wa$(comma)-isa=foo,)
+# Usage: cflags-y += $(call as-option,-Wa$(comma)-isa=foo,)
-as-option = $(shell if $(CC) $(CFLAGS) $(1) -Wa,-Z -c -o /dev/null \
- -xassembler /dev/null > /dev/null 2>&1; then echo "$(1)"; \
- else echo "$(2)"; fi ;)
+as-option = $(call try-run,\
+ $(CC) $(CFLAGS) $(1) -c -xassembler /dev/null -o "$$TMP",$(1),$(2))
# as-instr
-# Usage: cflags-y += $(call as-instr, instr, option1, option2)
+# Usage: cflags-y += $(call as-instr,instr,option1,option2)
-as-instr = $(shell if echo -e "$(1)" | \
- $(CC) $(AFLAGS) -c -xassembler - \
- -o $(TMPOUT)astest$$$$.out > /dev/null 2>&1; \
- then rm $(TMPOUT)astest$$$$.out; echo "$(2)"; \
- else echo "$(3)"; fi)
+as-instr = $(call try-run,\
+ echo -e "$(1)" | $(CC) $(AFLAGS) -c -xassembler -o "$$TMP" -,$(2),$(3))
# cc-option
-# Usage: cflags-y += $(call cc-option, -march=winchip-c6, -march=i586)
+# Usage: cflags-y += $(call cc-option,-march=winchip-c6,-march=i586)
-cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
- > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
+cc-option = $(call try-run,\
+ $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",$(1),$(2))
# cc-option-yn
-# Usage: flag := $(call cc-option-yn, -march=winchip-c6)
-cc-option-yn = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
- > /dev/null 2>&1; then echo "y"; else echo "n"; fi;)
+# Usage: flag := $(call cc-option-yn,-march=winchip-c6)
+cc-option-yn = $(call try-run,\
+ $(CC) $(CFLAGS) $(1) -S -xc /dev/null -o "$$TMP",y,n)
# cc-option-align
# Prefix align with either -falign or -malign
@@ -92,20 +100,19 @@ cc-option-align = $(subst -functions=0,,\
$(call cc-option,-falign-functions=0,-malign-functions=0))
# cc-version
-# Usage gcc-ver := $(call cc-version, $(CC))
+# Usage gcc-ver := $(call cc-version,$(CC))
cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh $(CC))
# cc-ifversion
# Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1)
-cc-ifversion = $(shell if [ $(call cc-version, $(CC)) $(1) $(2) ]; then \
- echo $(3); fi;)
+cc-ifversion = $(shell [ $(call cc-version, $(CC)) $(1) $(2) ] && echo $(3))
# ld-option
# Usage: ldflags += $(call ld-option, -Wl$(comma)--hash-style=both)
-ld-option = $(shell if $(CC) $(1) -nostdlib -xc /dev/null \
- -o $(TMPOUT)ldtest$$$$.out > /dev/null 2>&1; \
- then rm $(TMPOUT)ldtest$$$$.out; echo "$(1)"; \
- else echo "$(2)"; fi)
+ld-option = $(call try-run,\
+ $(CC) $(1) -nostdlib -xc /dev/null -o "$$TMP",$(1),$(2))
+
+######
###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
@@ -113,19 +120,25 @@ ld-option = $(shell if $(CC) $(1) -nostdlib -xc /dev/null \
# $(Q)$(MAKE) $(build)=dir
build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
-# Prefix -I with $(srctree) if it is not an absolute path
+# Prefix -I with $(srctree) if it is not an absolute path.
addtree = $(if $(filter-out -I/%,$(1)),$(patsubst -I%,-I$(srctree)/%,$(1))) $(1)
+
# Find all -I options and call addtree
flags = $(foreach o,$($(1)),$(if $(filter -I%,$(o)),$(call addtree,$(o)),$(o)))
-# If quiet is set, only print short version of command
+# echo command.
+# Short version is used, if $(quiet) equals `quiet_', otherwise full one.
+echo-cmd = $(if $($(quiet)cmd_$(1)),\
+ echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
+
+# printing commands
cmd = @$(echo-cmd) $(cmd_$(1))
-# Add $(obj)/ for paths that is not absolute
+# Add $(obj)/ for paths that are not absolute
objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
###
-# if_changed - execute command if any prerequisite is newer than
+# if_changed - execute command if any prerequisite is newer than
# target, or command line has changed
# if_changed_dep - as if_changed, but uses fixdep to reveal dependencies
# including used config symbols
@@ -133,16 +146,12 @@ objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
# See Documentation/kbuild/makefiles.txt for more info
ifneq ($(KBUILD_NOCMDDEP),1)
-# Check if both arguments has same arguments. Result in empty string if equal
+# Check if both arguments has same arguments. Result is empty string if equal.
# User may override this check using make KBUILD_NOCMDDEP=1
arg-check = $(strip $(filter-out $(cmd_$(1)), $(cmd_$@)) \
$(filter-out $(cmd_$@), $(cmd_$(1))) )
endif
-# echo command. Short version is $(quiet) equals quiet, otherwise full command
-echo-cmd = $(if $($(quiet)cmd_$(1)), \
- echo ' $(call escsq,$($(quiet)cmd_$(1)))$(echo-why)';)
-
# >'< substitution is for echo to work,
# >$< substitution to preserve $ when reloading .cmd file
# note: when using inline perl scripts [perl -e '...$$t=1;...']
@@ -153,15 +162,14 @@ make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))
# PHONY targets skipped in both cases.
any-prereq = $(filter-out $(PHONY),$?) $(filter-out $(PHONY) $(wildcard $^),$^)
-# Execute command if command has changed or prerequisitei(s) are updated
+# Execute command if command has changed or prerequisite(s) are updated.
#
if_changed = $(if $(strip $(any-prereq) $(arg-check)), \
@set -e; \
$(echo-cmd) $(cmd_$(1)); \
echo 'cmd_$@ := $(make-cmd)' > $(dot-target).cmd)
-# execute the command and also postprocess generated .d dependencies
-# file
+# Execute the command and also postprocess generated .d dependencies file.
if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \
@set -e; \
$(echo-cmd) $(cmd_$(1)); \
@@ -170,8 +178,8 @@ if_changed_dep = $(if $(strip $(any-prereq) $(arg-check) ), \
mv -f $(dot-target).tmp $(dot-target).cmd)
# Usage: $(call if_changed_rule,foo)
-# will check if $(cmd_foo) changed, or any of the prequisites changed,
-# and if so will execute $(rule_foo)
+# Will check if $(cmd_foo) or any of the prerequisites changed,
+# and if so will execute $(rule_foo).
if_changed_rule = $(if $(strip $(any-prereq) $(arg-check) ), \
@set -e; \
$(rule_$(1)))
diff --git a/scripts/gen_initramfs_list.sh b/scripts/gen_initramfs_list.sh
index 4c723fd18648..43f75d6e4d96 100644
--- a/scripts/gen_initramfs_list.sh
+++ b/scripts/gen_initramfs_list.sh
@@ -1,6 +1,6 @@
#!/bin/bash
# Copyright (C) Martin Schlemmer <azarah@nosferatu.za.org>
-# Copyright (c) 2006 Sam Ravnborg <sam@ravnborg.org>
+# Copyright (C) 2006 Sam Ravnborg <sam@ravnborg.org>
#
# Released under the terms of the GNU GPL
#
@@ -17,15 +17,15 @@ cat << EOF
Usage:
$0 [-o <file>] [-u <uid>] [-g <gid>] {-d | <cpio_source>} ...
-o <file> Create gzipped initramfs file named <file> using
- gen_init_cpio and gzip
+ gen_init_cpio and gzip
-u <uid> User ID to map to user ID 0 (root).
- <uid> is only meaningful if <cpio_source>
- is a directory.
+ <uid> is only meaningful if <cpio_source>
+ is a directory.
-g <gid> Group ID to map to group ID 0 (root).
- <gid> is only meaningful if <cpio_source>
- is a directory.
+ <gid> is only meaningful if <cpio_source>
+ is a directory.
<cpio_source> File list or directory for cpio archive.
- If <cpio_source> is a .cpio file it will be used
+ If <cpio_source> is a .cpio file it will be used
as direct input to initramfs.
-d Output the default cpio list.
@@ -36,6 +36,12 @@ to reset the root/group mapping.
EOF
}
+# awk style field access
+# $1 - field number; rest is argument string
+field() {
+ shift $1 ; echo $1
+}
+
list_default_initramfs() {
# echo usr/kinit/kinit
:
@@ -119,22 +125,17 @@ parse() {
str="${ftype} ${name} ${location} ${str}"
;;
"nod")
- local dev_type=
- local maj=$(LC_ALL=C ls -l "${location}" | \
- gawk '{sub(/,/, "", $5); print $5}')
- local min=$(LC_ALL=C ls -l "${location}" | \
- gawk '{print $6}')
-
- if [ -b "${location}" ]; then
- dev_type="b"
- else
- dev_type="c"
- fi
- str="${ftype} ${name} ${str} ${dev_type} ${maj} ${min}"
+ local dev=`LC_ALL=C ls -l "${location}"`
+ local maj=`field 5 ${dev}`
+ local min=`field 6 ${dev}`
+ maj=${maj%,}
+
+ [ -b "${location}" ] && dev="b" || dev="c"
+
+ str="${ftype} ${name} ${str} ${dev} ${maj} ${min}"
;;
"slink")
- local target=$(LC_ALL=C ls -l "${location}" | \
- gawk '{print $11}')
+ local target=`field 11 $(LC_ALL=C ls -l "${location}")`
str="${ftype} ${name} ${target} ${str}"
;;
*)
diff --git a/scripts/kconfig/qconf.cc b/scripts/kconfig/qconf.cc
index c0ae0a7ddb42..512c2f5c341d 100644
--- a/scripts/kconfig/qconf.cc
+++ b/scripts/kconfig/qconf.cc
@@ -89,6 +89,7 @@ void ConfigItem::okRename(int col)
{
Parent::okRename(col);
sym_set_string_value(menu->sym, text(dataColIdx).latin1());
+ listView()->updateList(this);
}
#endif
@@ -605,6 +606,8 @@ void ConfigList::updateMenuList(P* parent, struct menu* menu)
visible = menu_is_visible(child);
if (showAll || visible) {
+ if (!child->sym && !child->list && !child->prompt)
+ continue;
if (!item || item->menu != child)
item = new ConfigItem(parent, last, child, visible);
else
@@ -1247,6 +1250,7 @@ void ConfigSearchWindow::search(void)
free(result);
list->list->clear();
+ info->clear();
result = sym_re_search(editField->text().latin1());
if (!result)
@@ -1316,7 +1320,7 @@ ConfigMainWindow::ConfigMainWindow(void)
conf_changed();
QAction *saveAsAction = new QAction("Save As...", "Save &As...", 0, this);
connect(saveAsAction, SIGNAL(activated()), SLOT(saveConfigAs()));
- QAction *searchAction = new QAction("Search", "&Search", CTRL+Key_F, this);
+ QAction *searchAction = new QAction("Find", "&Find", CTRL+Key_F, this);
connect(searchAction, SIGNAL(activated()), SLOT(searchConfig()));
QAction *singleViewAction = new QAction("Single View", QPixmap(xpm_single_view), "Split View", 0, this);
connect(singleViewAction, SIGNAL(activated()), SLOT(showSingleView()));
@@ -1373,10 +1377,13 @@ ConfigMainWindow::ConfigMainWindow(void)
saveAction->addTo(config);
saveAsAction->addTo(config);
config->insertSeparator();
- searchAction->addTo(config);
- config->insertSeparator();
quitAction->addTo(config);
+ // create edit menu
+ QPopupMenu* editMenu = new QPopupMenu(this);
+ menu->insertItem("&Edit", editMenu);
+ searchAction->addTo(editMenu);
+
// create options menu
QPopupMenu* optionMenu = new QPopupMenu(this);
menu->insertItem("&Option", optionMenu);
@@ -1467,7 +1474,10 @@ void ConfigMainWindow::searchConfig(void)
void ConfigMainWindow::changeMenu(struct menu *menu)
{
configList->setRootMenu(menu);
- backAction->setEnabled(TRUE);
+ if (configList->rootEntry->parent == &rootmenu)
+ backAction->setEnabled(FALSE);
+ else
+ backAction->setEnabled(TRUE);
}
void ConfigMainWindow::setMenuLink(struct menu *menu)
diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index f50a70f550b3..fb43c6440e54 100755
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -83,7 +83,7 @@ use strict;
# * my_function
# **/
#
-# If the Description: header tag is ommitted, then there must be a blank line
+# If the Description: header tag is omitted, then there must be a blank line
# after the last parameter specification.
# e.g.
# /**
@@ -265,7 +265,7 @@ my $doc_start = '^/\*\*\s*$'; # Allow whitespace at end of comment start.
my $doc_end = '\*/';
my $doc_com = '\s*\*\s*';
my $doc_decl = $doc_com.'(\w+)';
-my $doc_sect = $doc_com.'(['.$doc_special.']?[\w ]+):(.*)';
+my $doc_sect = $doc_com.'(['.$doc_special.']?[\w\s]+):(.*)';
my $doc_content = $doc_com.'(.*)';
my $doc_block = $doc_com.'DOC:\s*(.*)?';
@@ -365,7 +365,7 @@ sub dump_section {
# parameterlist => @list of parameters
# parameterdescs => %parameter descriptions
# sectionlist => @list of sections
-# sections => %descriont descriptions
+# sections => %section descriptions
#
sub output_highlight {
@@ -452,7 +452,7 @@ sub output_struct_html(%) {
my %args = %{$_[0]};
my ($parameter);
- print "<h2>".$args{'type'}." ".$args{'struct'}."</h2>\n";
+ print "<h2>".$args{'type'}." ".$args{'struct'}. " - " .$args{'purpose'}."</h2>\n";
print "<b>".$args{'type'}." ".$args{'struct'}."</b> {<br>\n";
foreach $parameter (@{$args{'parameterlist'}}) {
if ($parameter =~ /^#/) {
@@ -498,8 +498,8 @@ sub output_function_html(%) {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
- print "<h2>Function</h2>\n";
+ print "<h2>" .$args{'function'}." - ".$args{'purpose'}."</h2>\n";
print "<i>".$args{'functiontype'}."</i>\n";
print "<b>".$args{'function'}."</b>\n";
print "(";
@@ -583,14 +583,14 @@ sub output_function_xml(%) {
$id = "API-".$args{'function'};
$id =~ s/[^A-Za-z0-9]/-/g;
- print "<refentry>\n";
+ print "<refentry id=\"$id\">\n";
print "<refentryinfo>\n";
print " <title>LINUX</title>\n";
print " <productname>Kernel Hackers Manual</productname>\n";
print " <date>$man_date</date>\n";
print "</refentryinfo>\n";
print "<refmeta>\n";
- print " <refentrytitle><phrase id=\"$id\">".$args{'function'}."</phrase></refentrytitle>\n";
+ print " <refentrytitle><phrase>".$args{'function'}."</phrase></refentrytitle>\n";
print " <manvolnum>9</manvolnum>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
@@ -659,14 +659,14 @@ sub output_struct_xml(%) {
$id = "API-struct-".$args{'struct'};
$id =~ s/[^A-Za-z0-9]/-/g;
- print "<refentry>\n";
+ print "<refentry id=\"$id\">\n";
print "<refentryinfo>\n";
print " <title>LINUX</title>\n";
print " <productname>Kernel Hackers Manual</productname>\n";
print " <date>$man_date</date>\n";
print "</refentryinfo>\n";
print "<refmeta>\n";
- print " <refentrytitle><phrase id=\"$id\">".$args{'type'}." ".$args{'struct'}."</phrase></refentrytitle>\n";
+ print " <refentrytitle><phrase>".$args{'type'}." ".$args{'struct'}."</phrase></refentrytitle>\n";
print " <manvolnum>9</manvolnum>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
@@ -743,14 +743,14 @@ sub output_enum_xml(%) {
$id = "API-enum-".$args{'enum'};
$id =~ s/[^A-Za-z0-9]/-/g;
- print "<refentry>\n";
+ print "<refentry id=\"$id\">\n";
print "<refentryinfo>\n";
print " <title>LINUX</title>\n";
print " <productname>Kernel Hackers Manual</productname>\n";
print " <date>$man_date</date>\n";
print "</refentryinfo>\n";
print "<refmeta>\n";
- print " <refentrytitle><phrase id=\"$id\">enum ".$args{'enum'}."</phrase></refentrytitle>\n";
+ print " <refentrytitle><phrase>enum ".$args{'enum'}."</phrase></refentrytitle>\n";
print " <manvolnum>9</manvolnum>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
@@ -809,14 +809,14 @@ sub output_typedef_xml(%) {
$id = "API-typedef-".$args{'typedef'};
$id =~ s/[^A-Za-z0-9]/-/g;
- print "<refentry>\n";
+ print "<refentry id=\"$id\">\n";
print "<refentryinfo>\n";
print " <title>LINUX</title>\n";
print " <productname>Kernel Hackers Manual</productname>\n";
print " <date>$man_date</date>\n";
print "</refentryinfo>\n";
print "<refmeta>\n";
- print " <refentrytitle><phrase id=\"$id\">typedef ".$args{'typedef'}."</phrase></refentrytitle>\n";
+ print " <refentrytitle><phrase>typedef ".$args{'typedef'}."</phrase></refentrytitle>\n";
print " <manvolnum>9</manvolnum>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
@@ -953,7 +953,11 @@ sub output_function_man(%) {
print $args{'function'}." \\- ".$args{'purpose'}."\n";
print ".SH SYNOPSIS\n";
- print ".B \"".$args{'functiontype'}."\" ".$args{'function'}."\n";
+ if ($args{'functiontype'} ne "") {
+ print ".B \"".$args{'functiontype'}."\" ".$args{'function'}."\n";
+ } else {
+ print ".B \"".$args{'function'}."\n";
+ }
$count = 0;
my $parenth = "(";
my $post = ",";
@@ -1118,13 +1122,19 @@ sub output_intro_man(%) {
sub output_function_text(%) {
my %args = %{$_[0]};
my ($parameter, $section);
+ my $start;
print "Name:\n\n";
print $args{'function'}." - ".$args{'purpose'}."\n";
print "\nSynopsis:\n\n";
- my $start=$args{'functiontype'}." ".$args{'function'}." (";
+ if ($args{'functiontype'} ne "") {
+ $start = $args{'functiontype'}." ".$args{'function'}." (";
+ } else {
+ $start = $args{'function'}." (";
+ }
print $start;
+
my $count = 0;
foreach my $parameter (@{$args{'parameterlist'}}) {
$type = $args{'parametertypes'}{$parameter};
@@ -1433,7 +1443,7 @@ sub create_parameterlist($$$) {
} elsif ($arg =~ m/\(.*\*/) {
# pointer-to-function
$arg =~ tr/#/,/;
- $arg =~ m/[^\(]+\(\*([^\)]+)\)/;
+ $arg =~ m/[^\(]+\(\*\s*([^\)]+)\)/;
$param = $1;
$type = $arg;
$type =~ s/([^\(]+\(\*)$param/$1/;
@@ -1536,7 +1546,7 @@ sub dump_function($$) {
$prototype =~ s/^__always_inline +//;
$prototype =~ s/^noinline +//;
$prototype =~ s/__devinit +//;
- $prototype =~ s/^#define +//; #ak added
+ $prototype =~ s/^#define\s+//; #ak added
$prototype =~ s/__attribute__ \(\([a-z,]*\)\)//;
# Yes, this truly is vile. We are looking for:
@@ -1570,7 +1580,8 @@ sub dump_function($$) {
$prototype =~ m/^(\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
- $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/) {
+ $prototype =~ m/^(\w+\s+\w+\s+\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/ ||
+ $prototype =~ m/^(\w+\s+\w+\s*\*\s*\w+\s*\*\s*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\{]*)\)/) {
$return_type = $1;
$declaration_name = $2;
my $args = $3;
@@ -1710,6 +1721,7 @@ sub process_file($) {
my $file;
my $identifier;
my $func;
+ my $descr;
my $initial_section_counter = $section_counter;
if (defined($ENV{'SRCTREE'})) {
@@ -1753,7 +1765,12 @@ sub process_file($) {
$state = 2;
if (/-(.*)/) {
- $declaration_purpose = xml_escape($1);
+ # strip leading/trailing/multiple spaces #RDD:T:
+ $descr= $1;
+ $descr =~ s/^\s*//;
+ $descr =~ s/\s*$//;
+ $descr =~ s/\s+/ /;
+ $declaration_purpose = xml_escape($descr);
} else {
$declaration_purpose = "";
}
diff --git a/scripts/makelst b/scripts/makelst
index 34bd72391238..4fc80f2b7e19 100755
--- a/scripts/makelst
+++ b/scripts/makelst
@@ -1,31 +1,31 @@
-#!/bin/bash
+#!/bin/sh
# A script to dump mixed source code & assembly
# with correct relocations from System.map
-# Requires the following lines in Rules.make.
-# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
-# William Stearns <wstearns@pobox.com>
+# Requires the following lines in makefile:
#%.lst: %.c
# $(CC) $(CFLAGS) $(EXTRA_CFLAGS) $(CFLAGS_$@) -g -c -o $*.o $<
-# $(TOPDIR)/scripts/makelst $*.o $(TOPDIR)/System.map $(OBJDUMP)
+# $(srctree)/scripts/makelst $*.o $(objtree)/System.map $(OBJDUMP)
#
-# Copyright (C) 2000 IBM Corporation
-# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+# Copyright (C) 2000 IBM Corporation
+# Author(s): DJ Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
+# William Stearns <wstearns@pobox.com>
#
-t1=`$3 --syms $1 | grep .text | grep " F " | head -n 1`
+# awk style field access
+field() {
+ shift $1 ; echo $1
+}
+
+t1=`$3 --syms $1 | grep .text | grep -m1 " F "`
if [ -n "$t1" ]; then
- t2=`echo $t1 | gawk '{ print $6 }'`
+ t2=`field 6 $t1`
if [ ! -r $2 ]; then
echo "No System.map" >&2
- t7=0
else
t3=`grep $t2 $2`
- t4=`echo $t3 | gawk '{ print $1 }'`
- t5=`echo $t1 | gawk '{ print $1 }'`
- t6=`echo $t4 - $t5 | tr a-f A-F`
- t7=`( echo ibase=16 ; echo $t6 ) | bc`
+ t4=`field 1 $t3`
+ t5=`field 1 $t1`
+ t6=`printf "%lu" $((0x$t4 - 0x$t5))`
fi
-else
- t7=0
fi
-$3 -r --source --adjust-vma=$t7 $1
+$3 -r --source --adjust-vma=${t6:-0} $1
diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h
index d7b8a384b4a7..82d0af46f0ef 100755
--- a/scripts/mkcompile_h
+++ b/scripts/mkcompile_h
@@ -58,7 +58,7 @@ UTS_TRUNCATE="sed -e s/\(.\{1,$UTS_LEN\}\).*/\1/"
echo \#define LINUX_COMPILE_DOMAIN
fi
- echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
+ echo \#define LINUX_COMPILER \"`LC_ALL=C LANG=C $CC -v 2>&1 | tail -n 1`\"
) > .tmpcompile
# Only replace the real compile.h if the new one is different,
diff --git a/scripts/mkuboot.sh b/scripts/mkuboot.sh
index 52a17ab97eb0..4b06c5eea728 100755
--- a/scripts/mkuboot.sh
+++ b/scripts/mkuboot.sh
@@ -4,12 +4,15 @@
# Build U-Boot image when `mkimage' tool is available.
#
-MKIMAGE=$(type -path mkimage)
+MKIMAGE=$(type -path ${CROSS_COMPILE}mkimage)
if [ -z "${MKIMAGE}" ]; then
- # Doesn't exist
- echo '"mkimage" command not found - U-Boot images will not be built' >&2
- exit 0;
+ MKIMAGE=$(type -path mkimage)
+ if [ -z "${MKIMAGE}" ]; then
+ # Doesn't exist
+ echo '"mkimage" command not found - U-Boot images will not be built' >&2
+ exit 0;
+ fi
fi
# Call "mkimage" to create U-Boot image
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index 47bef62eecd7..65bdfdb56877 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -641,12 +641,20 @@ static int secref_whitelist(const char *modname, const char *tosec,
if (f1 && f2)
return 1;
- /* Whitelist all references from .pci_fixup section if vmlinux */
+ /* Whitelist all references from .pci_fixup section if vmlinux
+ * Whitelist all refereces from .text.head to .init.data if vmlinux
+ * Whitelist all refereces from .text.head to .init.text if vmlinux
+ */
if (is_vmlinux(modname)) {
if ((strcmp(fromsec, ".pci_fixup") == 0) &&
(strcmp(tosec, ".init.text") == 0))
return 1;
+ if ((strcmp(fromsec, ".text.head") == 0) &&
+ ((strcmp(tosec, ".init.data") == 0) ||
+ (strcmp(tosec, ".init.text") == 0)))
+ return 1;
+
/* Check for pattern 3 */
for (s = pat3refsym; *s; s++)
if (strcmp(refsymname, *s) == 0)
@@ -678,6 +686,30 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf_Addr addr,
return NULL;
}
+static inline int is_arm_mapping_symbol(const char *str)
+{
+ return str[0] == '$' && strchr("atd", str[1])
+ && (str[2] == '\0' || str[2] == '.');
+}
+
+/*
+ * If there's no name there, ignore it; likewise, ignore it if it's
+ * one of the magic symbols emitted used by current ARM tools.
+ *
+ * Otherwise if find_symbols_between() returns those symbols, they'll
+ * fail the whitelist tests and cause lots of false alarms ... fixable
+ * only by merging __exit and __init sections into __text, bloating
+ * the kernel (which is especially evil on embedded platforms).
+ */
+static inline int is_valid_name(struct elf_info *elf, Elf_Sym *sym)
+{
+ const char *name = elf->strtab + sym->st_name;
+
+ if (!name || !strlen(name))
+ return 0;
+ return !is_arm_mapping_symbol(name);
+}
+
/*
* Find symbols before or equal addr and after addr - in the section sec.
* If we find two symbols with equal offset prefer one with a valid name.
@@ -706,16 +738,15 @@ static void find_symbols_between(struct elf_info *elf, Elf_Addr addr,
symsec = secstrings + elf->sechdrs[sym->st_shndx].sh_name;
if (strcmp(symsec, sec) != 0)
continue;
+ if (!is_valid_name(elf, sym))
+ continue;
if (sym->st_value <= addr) {
if ((addr - sym->st_value) < beforediff) {
beforediff = addr - sym->st_value;
*before = sym;
}
else if ((addr - sym->st_value) == beforediff) {
- /* equal offset, valid name? */
- const char *name = elf->strtab + sym->st_name;
- if (name && strlen(name))
- *before = sym;
+ *before = sym;
}
}
else
@@ -725,10 +756,7 @@ static void find_symbols_between(struct elf_info *elf, Elf_Addr addr,
*after = sym;
}
else if ((sym->st_value - addr) == afterdiff) {
- /* equal offset, valid name? */
- const char *name = elf->strtab + sym->st_name;
- if (name && strlen(name))
- *after = sym;
+ *after = sym;
}
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.