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-rw-r--r--scripts/Kbuild.include65
-rw-r--r--scripts/Makefile.build27
-rw-r--r--scripts/Makefile.clean10
-rw-r--r--scripts/Makefile.modinst10
-rw-r--r--scripts/Makefile.modpost21
-rw-r--r--scripts/basic/fixdep.c14
-rwxr-xr-xscripts/checkconfig.pl65
-rwxr-xr-xscripts/extract-ikconfig5
-rw-r--r--scripts/genksyms/genksyms.c843
-rw-r--r--scripts/genksyms/genksyms.h57
-rw-r--r--scripts/kallsyms.c12
-rw-r--r--scripts/kconfig/Makefile6
-rw-r--r--scripts/kconfig/confdata.c2
-rw-r--r--scripts/kconfig/lxdialog/Makefile6
-rw-r--r--scripts/mkmakefile8
-rw-r--r--scripts/mod/file2alias.c17
-rw-r--r--scripts/mod/mk_elfconfig.c4
-rw-r--r--scripts/mod/modpost.c698
-rw-r--r--scripts/mod/modpost.h25
-rw-r--r--scripts/mod/sumversion.c32
-rw-r--r--scripts/namespace.pl4
-rw-r--r--scripts/package/Makefile20
-rw-r--r--scripts/profile2linkerlist.pl21
-rw-r--r--scripts/reference_discarded.pl112
-rw-r--r--scripts/reference_init.pl108
25 files changed, 1175 insertions, 1017 deletions
diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include
index 0168d6c37075..59620b1554e0 100644
--- a/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@ -44,6 +44,43 @@ define filechk
fi
endef
+######
+# gcc support functions
+# See documentation in Documentation/kbuild/makefiles.txt
+
+# as-option
+# 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 ;)
+
+# cc-option
+# 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-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;)
+
+# cc-option-align
+# Prefix align with either -falign or -malign
+cc-option-align = $(subst -functions=0,,\
+ $(call cc-option,-falign-functions=0,-malign-functions=0))
+
+# cc-version
+# Usage gcc-ver := $(call cc-version, $(CC))
+cc-version = $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-version.sh \
+ $(if $(1), $(1), $(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;)
+
###
# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.build obj=
# Usage:
@@ -51,8 +88,7 @@ endef
build := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.build obj
# If quiet is set, only print short version of command
-cmd = @$(if $($(quiet)cmd_$(1)),\
- echo ' $(call escsq,$($(quiet)cmd_$(1)))' &&) $(cmd_$(1))
+cmd = @$(echo-cmd) $(cmd_$(1))
# Add $(obj)/ for paths that is not absolute
objectify = $(foreach o,$(1),$(if $(filter /%,$(o)),$(o),$(obj)/$(o)))
@@ -75,30 +111,33 @@ endif
echo-cmd = $(if $($(quiet)cmd_$(1)), \
echo ' $(call escsq,$($(quiet)cmd_$(1)))';)
+make-cmd = $(subst \#,\\\#,$(subst $$,$$$$,$(call escsq,$(cmd_$(1)))))
+
# function to only execute the passed command if necessary
# >'< substitution is for echo to work, >$< substitution to preserve $ when reloading .cmd file
# note: when using inline perl scripts [perl -e '...$$t=1;...'] in $(cmd_xxx) double $$ your perl vars
-#
-if_changed = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
+#
+if_changed = $(if $(strip $(filter-out $(PHONY),$?) \
+ $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
@set -e; \
- $(echo-cmd) \
- $(cmd_$(1)); \
- echo 'cmd_$@ := $(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).cmd)
+ $(echo-cmd) $(cmd_$(1)); \
+ echo 'cmd_$@ := $(make-cmd)' > $(@D)/.$(@F).cmd)
# execute the command and also postprocess generated .d dependencies
# file
-if_changed_dep = $(if $(strip $? $(filter-out FORCE $(wildcard $^),$^)\
- $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
+if_changed_dep = $(if $(strip $(filter-out $(PHONY),$?) \
+ $(filter-out FORCE $(wildcard $^),$^) \
+ $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ), \
@set -e; \
- $(echo-cmd) \
- $(cmd_$(1)); \
- scripts/basic/fixdep $(depfile) $@ '$(subst $$,$$$$,$(call escsq,$(cmd_$(1))))' > $(@D)/.$(@F).tmp; \
+ $(echo-cmd) $(cmd_$(1)); \
+ scripts/basic/fixdep $(depfile) $@ '$(make-cmd)' > $(@D)/.$(@F).tmp; \
rm -f $(depfile); \
mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).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)
-if_changed_rule = $(if $(strip $? $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),\
+if_changed_rule = $(if $(strip $(filter-out $(PHONY),$?) \
+ $(call arg-check, $(cmd_$(1)), $(cmd_$@)) ),\
@set -e; \
$(rule_$(1)))
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index c33e62bde6b0..e48e60da3040 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -4,17 +4,18 @@
src := $(obj)
-.PHONY: __build
+PHONY := __build
__build:
# Read .config if it exist, otherwise ignore
-include .config
+include scripts/Kbuild.include
+
# The filename Kbuild has precedence over Makefile
kbuild-dir := $(if $(filter /%,$(src)),$(src),$(srctree)/$(src))
include $(if $(wildcard $(kbuild-dir)/Kbuild), $(kbuild-dir)/Kbuild, $(kbuild-dir)/Makefile)
-include scripts/Kbuild.include
include scripts/Makefile.lib
ifdef host-progs
@@ -128,7 +129,7 @@ $(multi-objs-y:.o=.s) : modname = $(modname-multi)
$(multi-objs-y:.o=.lst) : modname = $(modname-multi)
quiet_cmd_cc_s_c = CC $(quiet_modtag) $@
-cmd_cc_s_c = $(CC) $(c_flags) -S -o $@ $<
+cmd_cc_s_c = $(CC) $(c_flags) -fverbose-asm -S -o $@ $<
%.s: %.c FORCE
$(call if_changed_dep,cc_s_c)
@@ -165,7 +166,7 @@ cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
cmd_modversions = \
if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then \
$(CPP) -D__GENKSYMS__ $(c_flags) $< \
- | $(GENKSYMS) \
+ | $(GENKSYMS) -a $(ARCH) \
> $(@D)/.tmp_$(@F:.o=.ver); \
\
$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) \
@@ -177,12 +178,10 @@ cmd_modversions = \
endif
define rule_cc_o_c
- $(if $($(quiet)cmd_checksrc),echo ' $($(quiet)cmd_checksrc)';) \
- $(cmd_checksrc) \
- $(if $($(quiet)cmd_cc_o_c),echo ' $(call escsq,$($(quiet)cmd_cc_o_c))';) \
- $(cmd_cc_o_c); \
+ $(call echo-cmd,checksrc) $(cmd_checksrc) \
+ $(call echo-cmd,cc_o_c) $(cmd_cc_o_c); \
$(cmd_modversions) \
- scripts/basic/fixdep $(depfile) $@ '$(call escsq,$(cmd_cc_o_c))' > $(@D)/.$(@F).tmp; \
+ scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' > $(@D)/.$(@F).tmp; \
rm -f $(depfile); \
mv -f $(@D)/.$(@F).tmp $(@D)/.$(@F).cmd
endef
@@ -309,14 +308,14 @@ targets += $(multi-used-y) $(multi-used-m)
# Descending
# ---------------------------------------------------------------------------
-.PHONY: $(subdir-ym)
+PHONY += $(subdir-ym)
$(subdir-ym):
$(Q)$(MAKE) $(build)=$@
# Add FORCE to the prequisites of a target to force it to be always rebuilt.
# ---------------------------------------------------------------------------
-.PHONY: FORCE
+PHONY += FORCE
FORCE:
@@ -331,3 +330,9 @@ cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
ifneq ($(cmd_files),)
include $(cmd_files)
endif
+
+
+# Declare the contents of the .PHONY variable as phony. We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)
diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean
index 8974ea5fc878..cff33498fa16 100644
--- a/scripts/Makefile.clean
+++ b/scripts/Makefile.clean
@@ -4,7 +4,7 @@
src := $(obj)
-.PHONY: __clean
+PHONY := __clean
__clean:
# Shorthand for $(Q)$(MAKE) scripts/Makefile.clean obj=dir
@@ -87,10 +87,16 @@ endif
# Descending
# ---------------------------------------------------------------------------
-.PHONY: $(subdir-ymn)
+PHONY += $(subdir-ymn)
$(subdir-ymn):
$(Q)$(MAKE) $(clean)=$@
# If quiet is set, only print short version of command
cmd = @$(if $($(quiet)cmd_$(1)),echo ' $($(quiet)cmd_$(1))' &&) $(cmd_$(1))
+
+
+# Declare the contents of the .PHONY variable as phony. We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)
diff --git a/scripts/Makefile.modinst b/scripts/Makefile.modinst
index 23fd1bdc25ce..2686dd5dce8c 100644
--- a/scripts/Makefile.modinst
+++ b/scripts/Makefile.modinst
@@ -2,7 +2,7 @@
# Installing modules
# ==========================================================================
-.PHONY: __modinst
+PHONY := __modinst
__modinst:
include scripts/Kbuild.include
@@ -12,7 +12,7 @@ include scripts/Kbuild.include
__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
modules := $(patsubst %.o,%.ko,$(wildcard $(__modules:.ko=.o)))
-.PHONY: $(modules)
+PHONY += $(modules)
__modinst: $(modules)
@:
@@ -27,3 +27,9 @@ modinst_dir = $(if $(KBUILD_EXTMOD),$(ext-mod-dir),kernel/$(@D))
$(modules):
$(call cmd,modules_install,$(MODLIB)/$(modinst_dir))
+
+
+# Declare the contents of the .PHONY variable as phony. We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)
diff --git a/scripts/Makefile.modpost b/scripts/Makefile.modpost
index bf96a61d4b86..0e056cffffdb 100644
--- a/scripts/Makefile.modpost
+++ b/scripts/Makefile.modpost
@@ -4,7 +4,7 @@
#
# Stage one of module building created the following:
# a) The individual .o files used for the module
-# b) A <module>.o file wich is the .o files above linked together
+# b) A <module>.o file which is the .o files above linked together
# c) A <module>.mod file in $(MODVERDIR)/, listing the name of the
# the preliminary <module>.o file, plus all .o files
@@ -32,14 +32,15 @@
# Step 4 is solely used to allow module versioning in external modules,
# where the CRC of each module is retrieved from the Module.symers file.
-.PHONY: _modpost
+PHONY := _modpost
_modpost: __modpost
include .config
include scripts/Kbuild.include
include scripts/Makefile.lib
-symverfile := $(objtree)/Module.symvers
+kernelsymfile := $(objtree)/Module.symvers
+modulesymfile := $(KBUILD_EXTMOD)/Modules.symvers
# Step 1), find all modules listed in $(MODVERDIR)/
__modules := $(sort $(shell grep -h '\.ko' /dev/null $(wildcard $(MODVERDIR)/*.mod)))
@@ -54,10 +55,12 @@ quiet_cmd_modpost = MODPOST
cmd_modpost = scripts/mod/modpost \
$(if $(CONFIG_MODVERSIONS),-m) \
$(if $(CONFIG_MODULE_SRCVERSION_ALL),-a,) \
- $(if $(KBUILD_EXTMOD),-i,-o) $(symverfile) \
+ $(if $(KBUILD_EXTMOD),-i,-o) $(kernelsymfile) \
+ $(if $(KBUILD_EXTMOD),-I $(modulesymfile)) \
+ $(if $(KBUILD_EXTMOD),-o $(modulesymfile)) \
$(filter-out FORCE,$^)
-.PHONY: __modpost
+PHONY += __modpost
__modpost: $(wildcard vmlinux) $(modules:.ko=.o) FORCE
$(call cmd,modpost)
@@ -94,7 +97,7 @@ targets += $(modules)
# Add FORCE to the prequisites of a target to force it to be always rebuilt.
# ---------------------------------------------------------------------------
-.PHONY: FORCE
+PHONY += FORCE
FORCE:
@@ -109,3 +112,9 @@ cmd_files := $(wildcard $(foreach f,$(targets),$(dir $(f)).$(notdir $(f)).cmd))
ifneq ($(cmd_files),)
include $(cmd_files)
endif
+
+
+# Declare the contents of the .PHONY variable as phony. We keep that
+# information in a variable se we can use it in if_changed and friends.
+
+.PHONY: $(PHONY)
diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 679124b11e12..668a11a8b383 100644
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -132,20 +132,10 @@ void usage(void)
/*
* Print out the commandline prefixed with cmd_<target filename> :=
- * If commandline contains '#' escape with '\' so make to not see
- * the '#' as a start-of-comment symbol
- **/
+ */
void print_cmdline(void)
{
- char *p = cmdline;
-
- printf("cmd_%s := ", target);
- for (; *p; p++) {
- if (*p == '#')
- printf("\\");
- printf("%c", *p);
- }
- printf("\n\n");
+ printf("cmd_%s := %s\n\n", target, cmdline);
}
char * str_config = NULL;
diff --git a/scripts/checkconfig.pl b/scripts/checkconfig.pl
deleted file mode 100755
index ca1f231b15a6..000000000000
--- a/scripts/checkconfig.pl
+++ /dev/null
@@ -1,65 +0,0 @@
-#! /usr/bin/perl
-#
-# checkconfig: find uses of CONFIG_* names without matching definitions.
-# Copyright abandoned, 1998, Michael Elizabeth Chastain <mailto:mec@shout.net>.
-
-use integer;
-
-$| = 1;
-
-foreach $file (@ARGV)
-{
- # Open this file.
- open(FILE, $file) || die "Can't open $file: $!\n";
-
- # Initialize variables.
- my $fInComment = 0;
- my $fInString = 0;
- my $fUseConfig = 0;
- my $iLinuxConfig = 0;
- my %configList = ();
-
- LINE: while ( <FILE> )
- {
- # Strip comments.
- $fInComment && (s+^.*?\*/+ +o ? ($fInComment = 0) : next);
- m+/\*+o && (s+/\*.*?\*/+ +go, (s+/\*.*$+ +o && ($fInComment = 1)));
-
- # Pick up definitions.
- if ( m/^\s*#/o )
- {
- $iLinuxConfig = $. if m/^\s*#\s*include\s*"linux\/config\.h"/o;
- $configList{uc $1} = 1 if m/^\s*#\s*include\s*"config\/(\S*)\.h"/o;
- }
-
- # Strip strings.
- $fInString && (s+^.*?"+ +o ? ($fInString = 0) : next);
- m+"+o && (s+".*?"+ +go, (s+".*$+ +o && ($fInString = 1)));
-
- # Pick up definitions.
- if ( m/^\s*#/o )
- {
- $iLinuxConfig = $. if m/^\s*#\s*include\s*<linux\/config\.h>/o;
- $configList{uc $1} = 1 if m/^\s*#\s*include\s*<config\/(\S*)\.h>/o;
- $configList{$1} = 1 if m/^\s*#\s*define\s+CONFIG_(\w*)/o;
- $configList{$1} = 1 if m/^\s*#\s*undef\s+CONFIG_(\w*)/o;
- }
-
- # Look for usages.
- next unless m/CONFIG_/o;
- WORD: while ( m/\bCONFIG_(\w+)/og )
- {
- $fUseConfig = 1;
- last LINE if $iLinuxConfig;
- next WORD if exists $configList{$1};
- print "$file: $.: need CONFIG_$1.\n";
- $configList{$1} = 0;
- }
- }
-
- # Report superfluous includes.
- if ( $iLinuxConfig && ! $fUseConfig )
- { print "$file: $iLinuxConfig: linux/config.h not needed.\n"; }
-
- close(FILE);
-}
diff --git a/scripts/extract-ikconfig b/scripts/extract-ikconfig
index d9f9f34b22ab..8187e6f0dc2f 100755
--- a/scripts/extract-ikconfig
+++ b/scripts/extract-ikconfig
@@ -4,6 +4,7 @@
# $arg1 is [b]zImage filename
binoffset="./scripts/binoffset"
+test -e $binoffset || cc -o $binoffset ./scripts/binoffset.c || exit 1
IKCFG_ST="0x49 0x4b 0x43 0x46 0x47 0x5f 0x53 0x54"
IKCFG_ED="0x49 0x4b 0x43 0x46 0x47 0x5f 0x45 0x44"
@@ -20,7 +21,7 @@ function dump_config {
let start="$start + 8"
let size="$end - $start"
- head --bytes="$end" "$file" | tail --bytes="$size" | zcat
+ dd if="$file" ibs=1 skip="$start" count="$size" 2>/dev/null | zcat
clean_up
exit 0
@@ -45,7 +46,7 @@ then
exit 1
fi
-TMPFILE="/tmp/ikconfig-$$"
+TMPFILE=`mktemp -t ikconfig-XXXXXX` || exit 1
image="$1"
# vmlinux: Attempt to dump the configuration from the file directly
diff --git a/scripts/genksyms/genksyms.c b/scripts/genksyms/genksyms.c
index 416a694b0998..5b0344e20d61 100644
--- a/scripts/genksyms/genksyms.c
+++ b/scripts/genksyms/genksyms.c
@@ -29,481 +29,421 @@
#include <stdarg.h>
#ifdef __GNU_LIBRARY__
#include <getopt.h>
-#endif /* __GNU_LIBRARY__ */
+#endif /* __GNU_LIBRARY__ */
#include "genksyms.h"
-
/*----------------------------------------------------------------------*/
#define HASH_BUCKETS 4096
static struct symbol *symtab[HASH_BUCKETS];
-FILE *debugfile;
+static FILE *debugfile;
int cur_line = 1;
-char *cur_filename, *output_directory;
+char *cur_filename;
-int flag_debug, flag_dump_defs, flag_warnings;
+static int flag_debug, flag_dump_defs, flag_warnings;
+static const char *arch = "";
+static const char *mod_prefix = "";
static int errors;
static int nsyms;
static struct symbol *expansion_trail;
-static const char * const symbol_type_name[] = {
- "normal", "typedef", "enum", "struct", "union"
+static const char *const symbol_type_name[] = {
+ "normal", "typedef", "enum", "struct", "union"
};
+static int equal_list(struct string_list *a, struct string_list *b);
+static void print_list(FILE * f, struct string_list *list);
+
/*----------------------------------------------------------------------*/
-static const unsigned int crctab32[] =
-{
- 0x00000000U, 0x77073096U, 0xee0e612cU, 0x990951baU, 0x076dc419U,
- 0x706af48fU, 0xe963a535U, 0x9e6495a3U, 0x0edb8832U, 0x79dcb8a4U,
- 0xe0d5e91eU, 0x97d2d988U, 0x09b64c2bU, 0x7eb17cbdU, 0xe7b82d07U,
- 0x90bf1d91U, 0x1db71064U, 0x6ab020f2U, 0xf3b97148U, 0x84be41deU,
- 0x1adad47dU, 0x6ddde4ebU, 0xf4d4b551U, 0x83d385c7U, 0x136c9856U,
- 0x646ba8c0U, 0xfd62f97aU, 0x8a65c9ecU, 0x14015c4fU, 0x63066cd9U,
- 0xfa0f3d63U, 0x8d080df5U, 0x3b6e20c8U, 0x4c69105eU, 0xd56041e4U,
- 0xa2677172U, 0x3c03e4d1U, 0x4b04d447U, 0xd20d85fdU, 0xa50ab56bU,
- 0x35b5a8faU, 0x42b2986cU, 0xdbbbc9d6U, 0xacbcf940U, 0x32d86ce3U,
- 0x45df5c75U, 0xdcd60dcfU, 0xabd13d59U, 0x26d930acU, 0x51de003aU,
- 0xc8d75180U, 0xbfd06116U, 0x21b4f4b5U, 0x56b3c423U, 0xcfba9599U,
- 0xb8bda50fU, 0x2802b89eU, 0x5f058808U, 0xc60cd9b2U, 0xb10be924U,
- 0x2f6f7c87U, 0x58684c11U, 0xc1611dabU, 0xb6662d3dU, 0x76dc4190U,
- 0x01db7106U, 0x98d220bcU, 0xefd5102aU, 0x71b18589U, 0x06b6b51fU,
- 0x9fbfe4a5U, 0xe8b8d433U, 0x7807c9a2U, 0x0f00f934U, 0x9609a88eU,
- 0xe10e9818U, 0x7f6a0dbbU, 0x086d3d2dU, 0x91646c97U, 0xe6635c01U,
- 0x6b6b51f4U, 0x1c6c6162U, 0x856530d8U, 0xf262004eU, 0x6c0695edU,
- 0x1b01a57bU, 0x8208f4c1U, 0xf50fc457U, 0x65b0d9c6U, 0x12b7e950U,
- 0x8bbeb8eaU, 0xfcb9887cU, 0x62dd1ddfU, 0x15da2d49U, 0x8cd37cf3U,
- 0xfbd44c65U, 0x4db26158U, 0x3ab551ceU, 0xa3bc0074U, 0xd4bb30e2U,
- 0x4adfa541U, 0x3dd895d7U, 0xa4d1c46dU, 0xd3d6f4fbU, 0x4369e96aU,
- 0x346ed9fcU, 0xad678846U, 0xda60b8d0U, 0x44042d73U, 0x33031de5U,
- 0xaa0a4c5fU, 0xdd0d7cc9U, 0x5005713cU, 0x270241aaU, 0xbe0b1010U,
- 0xc90c2086U, 0x5768b525U, 0x206f85b3U, 0xb966d409U, 0xce61e49fU,
- 0x5edef90eU, 0x29d9c998U, 0xb0d09822U, 0xc7d7a8b4U, 0x59b33d17U,
- 0x2eb40d81U, 0xb7bd5c3bU, 0xc0ba6cadU, 0xedb88320U, 0x9abfb3b6U,
- 0x03b6e20cU, 0x74b1d29aU, 0xead54739U, 0x9dd277afU, 0x04db2615U,
- 0x73dc1683U, 0xe3630b12U, 0x94643b84U, 0x0d6d6a3eU, 0x7a6a5aa8U,
- 0xe40ecf0bU, 0x9309ff9dU, 0x0a00ae27U, 0x7d079eb1U, 0xf00f9344U,
- 0x8708a3d2U, 0x1e01f268U, 0x6906c2feU, 0xf762575dU, 0x806567cbU,
- 0x196c3671U, 0x6e6b06e7U, 0xfed41b76U, 0x89d32be0U, 0x10da7a5aU,
- 0x67dd4accU, 0xf9b9df6fU, 0x8ebeeff9U, 0x17b7be43U, 0x60b08ed5U,
- 0xd6d6a3e8U, 0xa1d1937eU, 0x38d8c2c4U, 0x4fdff252U, 0xd1bb67f1U,
- 0xa6bc5767U, 0x3fb506ddU, 0x48b2364bU, 0xd80d2bdaU, 0xaf0a1b4cU,
- 0x36034af6U, 0x41047a60U, 0xdf60efc3U, 0xa867df55U, 0x316e8eefU,
- 0x4669be79U, 0xcb61b38cU, 0xbc66831aU, 0x256fd2a0U, 0x5268e236U,
- 0xcc0c7795U, 0xbb0b4703U, 0x220216b9U, 0x5505262fU, 0xc5ba3bbeU,
- 0xb2bd0b28U, 0x2bb45a92U, 0x5cb36a04U, 0xc2d7ffa7U, 0xb5d0cf31U,
- 0x2cd99e8bU, 0x5bdeae1dU, 0x9b64c2b0U, 0xec63f226U, 0x756aa39cU,
- 0x026d930aU, 0x9c0906a9U, 0xeb0e363fU, 0x72076785U, 0x05005713U,
- 0x95bf4a82U, 0xe2b87a14U, 0x7bb12baeU, 0x0cb61b38U, 0x92d28e9bU,
- 0xe5d5be0dU, 0x7cdcefb7U, 0x0bdbdf21U, 0x86d3d2d4U, 0xf1d4e242U,
- 0x68ddb3f8U, 0x1fda836eU, 0x81be16cdU, 0xf6b9265bU, 0x6fb077e1U,
- 0x18b74777U, 0x88085ae6U, 0xff0f6a70U, 0x66063bcaU, 0x11010b5cU,
- 0x8f659effU, 0xf862ae69U, 0x616bffd3U, 0x166ccf45U, 0xa00ae278U,
- 0xd70dd2eeU, 0x4e048354U, 0x3903b3c2U, 0xa7672661U, 0xd06016f7U,
- 0x4969474dU, 0x3e6e77dbU, 0xaed16a4aU, 0xd9d65adcU, 0x40df0b66U,
- 0x37d83bf0U, 0xa9bcae53U, 0xdebb9ec5U, 0x47b2cf7fU, 0x30b5ffe9U,
- 0xbdbdf21cU, 0xcabac28aU, 0x53b39330U, 0x24b4a3a6U, 0xbad03605U,
- 0xcdd70693U, 0x54de5729U, 0x23d967bfU, 0xb3667a2eU, 0xc4614ab8U,
- 0x5d681b02U, 0x2a6f2b94U, 0xb40bbe37U, 0xc30c8ea1U, 0x5a05df1bU,
- 0x2d02ef8dU
+static const unsigned int crctab32[] = {
+ 0x00000000U, 0x77073096U, 0xee0e612cU, 0x990951baU, 0x076dc419U,
+ 0x706af48fU, 0xe963a535U, 0x9e6495a3U, 0x0edb8832U, 0x79dcb8a4U,
+ 0xe0d5e91eU, 0x97d2d988U, 0x09b64c2bU, 0x7eb17cbdU, 0xe7b82d07U,
+ 0x90bf1d91U, 0x1db71064U, 0x6ab020f2U, 0xf3b97148U, 0x84be41deU,
+ 0x1adad47dU, 0x6ddde4ebU, 0xf4d4b551U, 0x83d385c7U, 0x136c9856U,
+ 0x646ba8c0U, 0xfd62f97aU, 0x8a65c9ecU, 0x14015c4fU, 0x63066cd9U,
+ 0xfa0f3d63U, 0x8d080df5U, 0x3b6e20c8U, 0x4c69105eU, 0xd56041e4U,
+ 0xa2677172U, 0x3c03e4d1U, 0x4b04d447U, 0xd20d85fdU, 0xa50ab56bU,
+ 0x35b5a8faU, 0x42b2986cU, 0xdbbbc9d6U, 0xacbcf940U, 0x32d86ce3U,
+ 0x45df5c75U, 0xdcd60dcfU, 0xabd13d59U, 0x26d930acU, 0x51de003aU,
+ 0xc8d75180U, 0xbfd06116U, 0x21b4f4b5U, 0x56b3c423U, 0xcfba9599U,
+ 0xb8bda50fU, 0x2802b89eU, 0x5f058808U, 0xc60cd9b2U, 0xb10be924U,
+ 0x2f6f7c87U, 0x58684c11U, 0xc1611dabU, 0xb6662d3dU, 0x76dc4190U,
+ 0x01db7106U, 0x98d220bcU, 0xefd5102aU, 0x71b18589U, 0x06b6b51fU,
+ 0x9fbfe4a5U, 0xe8b8d433U, 0x7807c9a2U, 0x0f00f934U, 0x9609a88eU,
+ 0xe10e9818U, 0x7f6a0dbbU, 0x086d3d2dU, 0x91646c97U, 0xe6635c01U,
+ 0x6b6b51f4U, 0x1c6c6162U, 0x856530d8U, 0xf262004eU, 0x6c0695edU,
+ 0x1b01a57bU, 0x8208f4c1U, 0xf50fc457U, 0x65b0d9c6U, 0x12b7e950U,
+ 0x8bbeb8eaU, 0xfcb9887cU, 0x62dd1ddfU, 0x15da2d49U, 0x8cd37cf3U,
+ 0xfbd44c65U, 0x4db26158U, 0x3ab551ceU, 0xa3bc0074U, 0xd4bb30e2U,
+ 0x4adfa541U, 0x3dd895d7U, 0xa4d1c46dU, 0xd3d6f4fbU, 0x4369e96aU,
+ 0x346ed9fcU, 0xad678846U, 0xda60b8d0U, 0x44042d73U, 0x33031de5U,
+ 0xaa0a4c5fU, 0xdd0d7cc9U, 0x5005713cU, 0x270241aaU, 0xbe0b1010U,
+ 0xc90c2086U, 0x5768b525U, 0x206f85b3U, 0xb966d409U, 0xce61e49fU,
+ 0x5edef90eU, 0x29d9c998U, 0xb0d09822U, 0xc7d7a8b4U, 0x59b33d17U,
+ 0x2eb40d81U, 0xb7bd5c3bU, 0xc0ba6cadU, 0xedb88320U, 0x9abfb3b6U,
+ 0x03b6e20cU, 0x74b1d29aU, 0xead54739U, 0x9dd277afU, 0x04db2615U,
+ 0x73dc1683U, 0xe3630b12U, 0x94643b84U, 0x0d6d6a3eU, 0x7a6a5aa8U,
+ 0xe40ecf0bU, 0x9309ff9dU, 0x0a00ae27U, 0x7d079eb1U, 0xf00f9344U,
+ 0x8708a3d2U, 0x1e01f268U, 0x6906c2feU, 0xf762575dU, 0x806567cbU,
+ 0x196c3671U, 0x6e6b06e7U, 0xfed41b76U, 0x89d32be0U, 0x10da7a5aU,
+ 0x67dd4accU, 0xf9b9df6fU, 0x8ebeeff9U, 0x17b7be43U, 0x60b08ed5U,
+ 0xd6d6a3e8U, 0xa1d1937eU, 0x38d8c2c4U, 0x4fdff252U, 0xd1bb67f1U,
+ 0xa6bc5767U, 0x3fb506ddU, 0x48b2364bU, 0xd80d2bdaU, 0xaf0a1b4cU,
+ 0x36034af6U, 0x41047a60U, 0xdf60efc3U, 0xa867df55U, 0x316e8eefU,
+ 0x4669be79U, 0xcb61b38cU, 0xbc66831aU, 0x256fd2a0U, 0x5268e236U,
+ 0xcc0c7795U, 0xbb0b4703U, 0x220216b9U, 0x5505262fU, 0xc5ba3bbeU,
+ 0xb2bd0b28U, 0x2bb45a92U, 0x5cb36a04U, 0xc2d7ffa7U, 0xb5d0cf31U,
+ 0x2cd99e8bU, 0x5bdeae1dU, 0x9b64c2b0U, 0xec63f226U, 0x756aa39cU,
+ 0x026d930aU, 0x9c0906a9U, 0xeb0e363fU, 0x72076785U, 0x05005713U,
+ 0x95bf4a82U, 0xe2b87a14U, 0x7bb12baeU, 0x0cb61b38U, 0x92d28e9bU,
+ 0xe5d5be0dU, 0x7cdcefb7U, 0x0bdbdf21U, 0x86d3d2d4U, 0xf1d4e242U,
+ 0x68ddb3f8U, 0x1fda836eU, 0x81be16cdU, 0xf6b9265bU, 0x6fb077e1U,
+ 0x18b74777U, 0x88085ae6U, 0xff0f6a70U, 0x66063bcaU, 0x11010b5cU,
+ 0x8f659effU, 0xf862ae69U, 0x616bffd3U, 0x166ccf45U, 0xa00ae278U,
+ 0xd70dd2eeU, 0x4e048354U, 0x3903b3c2U, 0xa7672661U, 0xd06016f7U,
+ 0x4969474dU, 0x3e6e77dbU, 0xaed16a4aU, 0xd9d65adcU, 0x40df0b66U,
+ 0x37d83bf0U, 0xa9bcae53U, 0xdebb9ec5U, 0x47b2cf7fU, 0x30b5ffe9U,
+ 0xbdbdf21cU, 0xcabac28aU, 0x53b39330U, 0x24b4a3a6U, 0xbad03605U,
+ 0xcdd70693U, 0x54de5729U, 0x23d967bfU, 0xb3667a2eU, 0xc4614ab8U,
+ 0x5d681b02U, 0x2a6f2b94U, 0xb40bbe37U, 0xc30c8ea1U, 0x5a05df1bU,
+ 0x2d02ef8dU
};
-static inline unsigned long
-partial_crc32_one(unsigned char c, unsigned long crc)
+static unsigned long partial_crc32_one(unsigned char c, unsigned long crc)
{
- return crctab32[(crc ^ c) & 0xff] ^ (crc >> 8);
+ return crctab32[(crc ^ c) & 0xff] ^ (crc >> 8);
}
-static inline unsigned long
-partial_crc32(const char *s, unsigned long crc)
+static unsigned long partial_crc32(const char *s, unsigned long crc)
{
- while (*s)
- crc = partial_crc32_one(*s++, crc);
- return crc;
+ while (*s)
+ crc = partial_crc32_one(*s++, crc);
+ return crc;
}
-static inline unsigned long
-crc32(const char *s)
+static unsigned long crc32(const char *s)
{
- return partial_crc32(s, 0xffffffff) ^ 0xffffffff;
+ return partial_crc32(s, 0xffffffff) ^ 0xffffffff;
}
-
/*----------------------------------------------------------------------*/
-static inline enum symbol_type
-map_to_ns(enum symbol_type t)
+static enum symbol_type map_to_ns(enum symbol_type t)
{
- if (t == SYM_TYPEDEF)
- t = SYM_NORMAL;
- else if (t == SYM_UNION)
- t = SYM_STRUCT;
- return t;
+ if (t == SYM_TYPEDEF)
+ t = SYM_NORMAL;
+ else if (t == SYM_UNION)
+ t = SYM_STRUCT;
+ return t;
}
-struct symbol *
-find_symbol(const char *name, enum symbol_type ns)
+struct symbol *find_symbol(const char *name, enum symbol_type ns)
{
- unsigned long h = crc32(name) % HASH_BUCKETS;
- struct symbol *sym;
+ unsigned long h = crc32(name) % HASH_BUCKETS;
+ struct symbol *sym;
- for (sym = symtab[h]; sym ; sym = sym->hash_next)
- if (map_to_ns(sym->type) == map_to_ns(ns) && strcmp(name, sym->name) == 0)
- break;
+ for (sym = symtab[h]; sym; sym = sym->hash_next)
+ if (map_to_ns(sym->type) == map_to_ns(ns) &&
+ strcmp(name, sym->name) == 0)
+ break;
- return sym;
+ return sym;
}
-struct symbol *
-add_symbol(const char *name, enum symbol_type type, struct string_list *defn, int is_extern)
+struct symbol *add_symbol(const char *name, enum symbol_type type,
+ struct string_list *defn, int is_extern)
{
- unsigned long h = crc32(name) % HASH_BUCKETS;
- struct symbol *sym;
-
- for (sym = symtab[h]; sym ; sym = sym->hash_next)
- if (map_to_ns(sym->type) == map_to_ns(type)
- && strcmp(name, sym->name) == 0)
- {
- if (!equal_list(sym->defn, defn))
- error_with_pos("redefinition of %s", name);
+ unsigned long h = crc32(name) % HASH_BUCKETS;
+ struct symbol *sym;
+
+ for (sym = symtab[h]; sym; sym = sym->hash_next) {
+ if (map_to_ns(sym->type) == map_to_ns(type)
+ && strcmp(name, sym->name) == 0) {
+ if (!equal_list(sym->defn, defn))
+ error_with_pos("redefinition of %s", name);
+ return sym;
+ }
+ }
+
+ sym = xmalloc(sizeof(*sym));
+ sym->name = name;
+ sym->type = type;
+ sym->defn = defn;
+ sym->expansion_trail = NULL;
+ sym->is_extern = is_extern;
+
+ sym->hash_next = symtab[h];
+ symtab[h] = sym;
+
+ if (flag_debug) {
+ fprintf(debugfile, "Defn for %s %s == <",
+ symbol_type_name[type], name);
+ if (is_extern)
+ fputs("extern ", debugfile);
+ print_list(debugfile, defn);
+ fputs(">\n", debugfile);
+ }
+
+ ++nsyms;
return sym;
- }
-
- sym = xmalloc(sizeof(*sym));
- sym->name = name;
- sym->type = type;
- sym->defn = defn;
- sym->expansion_trail = NULL;
- sym->is_extern = is_extern;
-
- sym->hash_next = symtab[h];
- symtab[h] = sym;
-
- if (flag_debug)
- {
- fprintf(debugfile, "Defn for %s %s == <", symbol_type_name[type], name);
- if (is_extern)
- fputs("extern ", debugfile);
- print_list(debugfile, defn);
- fputs(">\n", debugfile);
- }
-
- ++nsyms;
- return sym;
}
-
/*----------------------------------------------------------------------*/
-inline void
-free_node(struct string_list *node)
+void free_node(struct string_list *node)
{
- free(node->string);
- free(node);
+ free(node->string);
+ free(node);
}
-void
-free_list(struct string_list *s, struct string_list *e)
+void free_list(struct string_list *s, struct string_list *e)
{
- while (s != e)
- {
- struct string_list *next = s->next;
- free_node(s);
- s = next;
- }
+ while (s != e) {
+ struct string_list *next = s->next;
+ free_node(s);
+ s = next;
+ }
}
-inline struct string_list *
-copy_node(struct string_list *node)
+struct string_list *copy_node(struct string_list *node)
{
- struct string_list *newnode;
+ struct string_list *newnode;
- newnode = xmalloc(sizeof(*newnode));
- newnode->string = xstrdup(node->string);
- newnode->tag = node->tag;
+ newnode = xmalloc(sizeof(*newnode));
+ newnode->string = xstrdup(node->string);
+ newnode->tag = node->tag;
- return newnode;
+ return newnode;
}
-struct string_list *
-copy_list(struct string_list *s, struct string_list *e)
+static int equal_list(struct string_list *a, struct string_list *b)
{
- struct string_list *h, *p;
-
- if (s == e)
- return NULL;
-
- p = h = copy_node(s);
- while ((s = s->next) != e)
- p = p->next = copy_node(s);
- p->next = NULL;
-
- return h;
-}
+ while (a && b) {
+ if (a->tag != b->tag || strcmp(a->string, b->string))
+ return 0;
+ a = a->next;
+ b = b->next;
+ }
-int
-equal_list(struct string_list *a, struct string_list *b)
-{
- while (a && b)
- {
- if (a->tag != b->tag || strcmp(a->string, b->string))
- return 0;
- a = a->next;
- b = b->next;
- }
-
- return !a && !b;
+ return !a && !b;
}
-static inline void
-print_node(FILE *f, struct string_list *list)
+static void print_node(FILE * f, struct string_list *list)
{
- switch (list->tag)
- {
- case SYM_STRUCT:
- putc('s', f);
- goto printit;
- case SYM_UNION:
- putc('u', f);
- goto printit;
- case SYM_ENUM:
- putc('e', f);
- goto printit;
- case SYM_TYPEDEF:
- putc('t', f);
- goto printit;
-
- printit:
- putc('#', f);
- case SYM_NORMAL:
- fputs(list->string, f);
- break;
- }
-}
+ switch (list->tag) {
+ case SYM_STRUCT:
+ putc('s', f);
+ goto printit;
+ case SYM_UNION:
+ putc('u', f);
+ goto printit;
+ case SYM_ENUM:
+ putc('e', f);
+ goto printit;
+ case SYM_TYPEDEF:
+ putc('t', f);
+ goto printit;
-void
-print_list(FILE *f, struct string_list *list)
-{
- struct string_list **e, **b;
- struct string_list *tmp, **tmp2;
- int elem = 1;
-
- if (list == NULL)
- {
- fputs("(nil)", f);
- return;
- }
-
- tmp = list;
- while((tmp = tmp->next) != NULL)
- elem++;
-
- b = alloca(elem * sizeof(*e));
- e = b + elem;
- tmp2 = e - 1;
-
- (*tmp2--) = list;
- while((list = list->next) != NULL)
- *(tmp2--) = list;
-
- while (b != e)
- {
- print_node(f, *b++);
- putc(' ', f);
- }
+ printit:
+ putc('#', f);
+ case SYM_NORMAL:
+ fputs(list->string, f);
+ break;
+ }
}
-static unsigned long
-expand_and_crc_list(struct string_list *list, unsigned long crc)
+static void print_list(FILE * f, struct string_list *list)
{
- struct string_list **e, **b;
- struct string_list *tmp, **tmp2;
- int elem = 1;
-
- if (!list)
- return crc;
+ struct string_list **e, **b;
+ struct string_list *tmp, **tmp2;
+ int elem = 1;
- tmp = list;
- while((tmp = tmp->next) != NULL)
- elem++;
-
- b = alloca(elem * sizeof(*e));
- e = b + elem;
- tmp2 = e - 1;
+ if (list == NULL) {
+ fputs("(nil)", f);
+ return;
+ }
- *(tmp2--) = list;
- while ((list = list->next) != NULL)
- *(tmp2--) = list;
+ tmp = list;
+ while ((tmp = tmp->next) != NULL)
+ elem++;
- while (b != e)
- {
- struct string_list *cur;
- struct symbol *subsym;
+ b = alloca(elem * sizeof(*e));
+ e = b + elem;
+ tmp2 = e - 1;
- cur = *(b++);
- switch (cur->tag)
- {
- case SYM_NORMAL:
- if (flag_dump_defs)
- fprintf(debugfile, "%s ", cur->string);
- crc = partial_crc32(cur->string, crc);
- crc = partial_crc32_one(' ', crc);
- break;
+ (*tmp2--) = list;
+ while ((list = list->next) != NULL)
+ *(tmp2--) = list;
- case SYM_TYPEDEF:
- subsym = find_symbol(cur->string, cur->tag);
- if (subsym->expansion_trail)
- {
- if (flag_dump_defs)
- fprintf(debugfile, "%s ", cur->string);
- crc = partial_crc32(cur->string, crc);
- crc = partial_crc32_one(' ', crc);
- }
- else
- {
- subsym->expansion_trail = expansion_trail;
- expansion_trail = subsym;
- crc = expand_and_crc_list(subsym->defn, crc);
- }
- break;
+ while (b != e) {
+ print_node(f, *b++);
+ putc(' ', f);
+ }
+}
- case SYM_STRUCT:
- case SYM_UNION:
- case SYM_ENUM:
- subsym = find_symbol(cur->string, cur->tag);
- if (!subsym)
- {
- struct string_list *n, *t = NULL;
-
- error_with_pos("expand undefined %s %s",
- symbol_type_name[cur->tag], cur->string);
-
- n = xmalloc(sizeof(*n));
- n->string = xstrdup(symbol_type_name[cur->tag]);
- n->tag = SYM_NORMAL;
- n->next = t;
- t = n;
-
- n = xmalloc(sizeof(*n));
- n->string = xstrdup(cur->string);
- n->tag = SYM_NORMAL;
- n->next = t;
- t = n;
-
- n = xmalloc(sizeof(*n));
- n->string = xstrdup("{ UNKNOWN }");
- n->tag = SYM_NORMAL;
- n->next = t;
-
- subsym = add_symbol(cur->string, cur->tag, n, 0);
- }
- if (subsym->expansion_trail)
- {
- if (flag_dump_defs)
- {
- fprintf(debugfile, "%s %s ", symbol_type_name[cur->tag],
- cur->string);
+static unsigned long expand_and_crc_list(struct string_list *list,
+ unsigned long crc)
+{
+ struct string_list **e, **b;
+ struct string_list *tmp, **tmp2;
+ int elem = 1;
+
+ if (!list)
+ return crc;
+
+ tmp = list;
+ while ((tmp = tmp->next) != NULL)
+ elem++;
+
+ b = alloca(elem * sizeof(*e));
+ e = b + elem;
+ tmp2 = e - 1;
+
+ *(tmp2--) = list;
+ while ((list = list->next) != NULL)
+ *(tmp2--) = list;
+
+ while (b != e) {
+ struct string_list *cur;
+ struct symbol *subsym;
+
+ cur = *(b++);
+ switch (cur->tag) {
+ case SYM_NORMAL:
+ if (flag_dump_defs)
+ fprintf(debugfile, "%s ", cur->string);
+ crc = partial_crc32(cur->string, crc);
+ crc = partial_crc32_one(' ', crc);
+ break;
+
+ case SYM_TYPEDEF:
+ subsym = find_symbol(cur->string, cur->tag);
+ if (subsym->expansion_trail) {
+ if (flag_dump_defs)
+ fprintf(debugfile, "%s ", cur->string);
+ crc = partial_crc32(cur->string, crc);
+ crc = partial_crc32_one(' ', crc);
+ } else {
+ subsym->expansion_trail = expansion_trail;
+ expansion_trail = subsym;
+ crc = expand_and_crc_list(subsym->defn, crc);
+ }
+ break;
+
+ case SYM_STRUCT:
+ case SYM_UNION:
+ case SYM_ENUM:
+ subsym = find_symbol(cur->string, cur->tag);
+ if (!subsym) {
+ struct string_list *n, *t = NULL;
+
+ error_with_pos("expand undefined %s %s",
+ symbol_type_name[cur->tag],
+ cur->string);
+
+ n = xmalloc(sizeof(*n));
+ n->string = xstrdup(symbol_type_name[cur->tag]);
+ n->tag = SYM_NORMAL;
+ n->next = t;
+ t = n;
+
+ n = xmalloc(sizeof(*n));
+ n->string = xstrdup(cur->string);
+ n->tag = SYM_NORMAL;
+ n->next = t;
+ t = n;
+
+ n = xmalloc(sizeof(*n));
+ n->string = xstrdup("{ UNKNOWN }");
+ n->tag = SYM_NORMAL;
+ n->next = t;
+
+ subsym =
+ add_symbol(cur->string, cur->tag, n, 0);
+ }
+ if (subsym->expansion_trail) {
+ if (flag_dump_defs) {
+ fprintf(debugfile, "%s %s ",
+ symbol_type_name[cur->tag],
+ cur->string);
+ }
+
+ crc = partial_crc32(symbol_type_name[cur->tag],
+ crc);
+ crc = partial_crc32_one(' ', crc);
+ crc = partial_crc32(cur->string, crc);
+ crc = partial_crc32_one(' ', crc);
+ } else {
+ subsym->expansion_trail = expansion_trail;
+ expansion_trail = subsym;
+ crc = expand_and_crc_list(subsym->defn, crc);
+ }
+ break;
}
-
- crc = partial_crc32(symbol_type_name[cur->tag], crc);
- crc = partial_crc32_one(' ', crc);
- crc = partial_crc32(cur->string, crc);
- crc = partial_crc32_one(' ', crc);
- }
- else
- {
- subsym->expansion_trail = expansion_trail;
- expansion_trail = subsym;
- crc = expand_and_crc_list(subsym->defn, crc);
- }
- break;
}
- }
- return crc;
+ return crc;
}
-void
-export_symbol(const char *name)
+void export_symbol(const char *name)
{
- struct symbol *sym;
+ struct symbol *sym;
- sym = find_symbol(name, SYM_NORMAL);
- if (!sym)
- error_with_pos("export undefined symbol %s", name);
- else
- {
- unsigned long crc;
+ sym = find_symbol(name, SYM_NORMAL);
+ if (!sym)
+ error_with_pos("export undefined symbol %s", name);
+ else {
+ unsigned long crc;
- if (flag_dump_defs)
- fprintf(debugfile, "Export %s == <", name);
+ if (flag_dump_defs)
+ fprintf(debugfile, "Export %s == <", name);
- expansion_trail = (struct symbol *)-1L;
+ expansion_trail = (struct symbol *)-1L;
- crc = expand_and_crc_list(sym->defn, 0xffffffff) ^ 0xffffffff;
+ crc = expand_and_crc_list(sym->defn, 0xffffffff) ^ 0xffffffff;
- sym = expansion_trail;
- while (sym != (struct symbol *)-1L)
- {
- struct symbol *n = sym->expansion_trail;
- sym->expansion_trail = 0;
- sym = n;
- }
+ sym = expansion_trail;
+ while (sym != (struct symbol *)-1L) {
+ struct symbol *n = sym->expansion_trail;
+ sym->expansion_trail = 0;
+ sym = n;
+ }
- if (flag_dump_defs)
- fputs(">\n", debugfile);
+ if (flag_dump_defs)
+ fputs(">\n", debugfile);
- /* Used as a linker script. */
- printf("__crc_%s = 0x%08lx ;\n", name, crc);
- }
+ /* Used as a linker script. */
+ printf("%s__crc_%s = 0x%08lx ;\n", mod_prefix, name, crc);
+ }
}
/*----------------------------------------------------------------------*/
-
-void
-error(const char *fmt, ...)
-{
- va_list args;
-
- if (flag_warnings)
- {
- va_start(args, fmt);
- vfprintf(stderr, fmt, args);
- va_end(args);
- putc('\n', stderr);
-
- errors++;
- }
-}
-
-void
-error_with_pos(const char *fmt, ...)
+void error_with_pos(const char *fmt, ...)
{
- va_list args;
+ va_list args;
- if (flag_warnings)
- {
- fprintf(stderr, "%s:%d: ", cur_filename ? : "<stdin>", cur_line);
+ if (flag_warnings) {
+ fprintf(stderr, "%s:%d: ", cur_filename ? : "<stdin>",
+ cur_line);
- va_start(args, fmt);
- vfprintf(stderr, fmt, args);
- va_end(args);
- putc('\n', stderr);
+ va_start(args, fmt);
+ vfprintf(stderr, fmt, args);
+ va_end(args);
+ putc('\n', stderr);
- errors++;
- }
+ errors++;
+ }
}
-
-void genksyms_usage(void)
+static void genksyms_usage(void)
{
- fputs("Usage:\n"
- "genksyms [-dDwqhV] > /path/to/.tmp_obj.ver\n"
- "\n"
+ fputs("Usage:\n" "genksyms [-dDwqhV] > /path/to/.tmp_obj.ver\n" "\n"
#ifdef __GNU_LIBRARY__
" -d, --debug Increment the debug level (repeatable)\n"
" -D, --dump Dump expanded symbol defs (for debugging only)\n"
@@ -511,81 +451,84 @@ void genksyms_usage(void)
" -q, --quiet Disable warnings (default)\n"
" -h, --help Print this message\n"
" -V, --version Print the release version\n"
-#else /* __GNU_LIBRARY__ */
- " -d Increment the debug level (repeatable)\n"
- " -D Dump expanded symbol defs (for debugging only)\n"
- " -w Enable warnings\n"
- " -q Disable warnings (default)\n"
- " -h Print this message\n"
- " -V Print the release version\n"
-#endif /* __GNU_LIBRARY__ */
+#else /* __GNU_LIBRARY__ */
+ " -d Increment the debug level (repeatable)\n"
+ " -D Dump expanded symbol defs (for debugging only)\n"
+ " -w Enable warnings\n"
+ " -q Disable warnings (default)\n"
+ " -h Print this message\n"
+ " -V Print the release version\n"
+#endif /* __GNU_LIBRARY__ */
, stderr);
}
-int
-main(int argc, char **argv)
+int main(int argc, char **argv)
{
- int o;
+ int o;
#ifdef __GNU_LIBRARY__
- struct option long_opts[] = {
- {"debug", 0, 0, 'd'},
- {"warnings", 0, 0, 'w'},
- {"quiet", 0, 0, 'q'},
- {"dump", 0, 0, 'D'},
- {"version", 0, 0, 'V'},
- {"help", 0, 0, 'h'},
- {0, 0, 0, 0}
- };
-
- while ((o = getopt_long(argc, argv, "dwqVDk:p:",
- &long_opts[0], NULL)) != EOF)
-#else /* __GNU_LIBRARY__ */
- while ((o = getopt(argc, argv, "dwqVDk:p:")) != EOF)
-#endif /* __GNU_LIBRARY__ */
- switch (o)
- {
- case 'd':
- flag_debug++;
- break;
- case 'w':
- flag_warnings = 1;
- break;
- case 'q':
- flag_warnings = 0;
- break;
- case 'V':
- fputs("genksyms version 2.5.60\n", stderr);
- break;
- case 'D':
- flag_dump_defs = 1;
- break;
- case 'h':
- genksyms_usage();
- return 0;
- default:
- genksyms_usage();
- return 1;
- }
-
- {
- extern int yydebug;
- extern int yy_flex_debug;
-
- yydebug = (flag_debug > 1);
- yy_flex_debug = (flag_debug > 2);
-
- debugfile = stderr;
- /* setlinebuf(debugfile); */
- }
-
- yyparse();
-
- if (flag_debug)
- {
- fprintf(debugfile, "Hash table occupancy %d/%d = %g\n",
- nsyms, HASH_BUCKETS, (double)nsyms / (double)HASH_BUCKETS);
- }
-
- return errors != 0;
+ struct option long_opts[] = {
+ {"arch", 1, 0, 'a'},
+ {"debug", 0, 0, 'd'},
+ {"warnings", 0, 0, 'w'},
+ {"quiet", 0, 0, 'q'},
+ {"dump", 0, 0, 'D'},
+ {"version", 0, 0, 'V'},
+ {"help", 0, 0, 'h'},
+ {0, 0, 0, 0}
+ };
+
+ while ((o = getopt_long(argc, argv, "a:dwqVDk:p:",
+ &long_opts[0], NULL)) != EOF)
+#else /* __GNU_LIBRARY__ */
+ while ((o = getopt(argc, argv, "a:dwqVDk:p:")) != EOF)
+#endif /* __GNU_LIBRARY__ */
+ switch (o) {
+ case 'a':
+ arch = optarg;
+ break;
+ case 'd':
+ flag_debug++;
+ break;
+ case 'w':
+ flag_warnings = 1;
+ break;
+ case 'q':
+ flag_warnings = 0;
+ break;
+ case 'V':
+ fputs("genksyms version 2.5.60\n", stderr);
+ break;
+ case 'D':
+ flag_dump_defs = 1;
+ break;
+ case 'h':
+ genksyms_usage();
+ return 0;
+ default:
+ genksyms_usage();
+ return 1;
+ }
+ if ((strcmp(arch, "v850") == 0) || (strcmp(arch, "h8300") == 0))
+ mod_prefix = "_";
+ {
+ extern int yydebug;
+ extern int yy_flex_debug;
+
+ yydebug = (flag_debug > 1);
+ yy_flex_debug = (flag_debug > 2);
+
+ debugfile = stderr;
+ /* setlinebuf(debugfile); */
+ }
+
+ yyparse();
+
+ if (flag_debug) {
+ fprintf(debugfile, "Hash table occupancy %d/%d = %g\n",
+ nsyms, HASH_BUCKETS,
+ (double)nsyms / (double)HASH_BUCKETS);
+ }
+
+ return errors != 0;
}
diff --git a/scripts/genksyms/genksyms.h b/scripts/genksyms/genksyms.h
index f09af47ab281..ab6f34f38735 100644
--- a/scripts/genksyms/genksyms.h
+++ b/scripts/genksyms/genksyms.h
@@ -20,74 +20,51 @@
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
#ifndef MODUTILS_GENKSYMS_H
#define MODUTILS_GENKSYMS_H 1
#include <stdio.h>
-
-enum symbol_type
-{
- SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION
+enum symbol_type {
+ SYM_NORMAL, SYM_TYPEDEF, SYM_ENUM, SYM_STRUCT, SYM_UNION
};
-struct string_list
-{
- struct string_list *next;
- enum symbol_type tag;
- char *string;
+struct string_list {
+ struct string_list *next;
+ enum symbol_type tag;
+ char *string;
};
-struct symbol
-{
- struct symbol *hash_next;
- const char *name;
- enum symbol_type type;
- struct string_list *defn;
- struct symbol *expansion_trail;
- int is_extern;
+struct symbol {
+ struct symbol *hash_next;
+ const char *name;
+ enum symbol_type type;
+ struct string_list *defn;
+ struct symbol *expansion_trail;
+ int is_extern;
};
typedef struct string_list **yystype;
#define YYSTYPE yystype
-extern FILE *outfile, *debugfile;
-
extern int cur_line;
-extern char *cur_filename, *output_directory;
-
-extern int flag_debug, flag_dump_defs, flag_warnings;
-extern int checksum_version, kernel_version;
-
-extern int want_brace_phrase, want_exp_phrase, discard_phrase_contents;
-extern struct string_list *current_list, *next_list;
-
+extern char *cur_filename;
struct symbol *find_symbol(const char *name, enum symbol_type ns);
struct symbol *add_symbol(const char *name, enum symbol_type type,
- struct string_list *defn, int is_extern);
+ struct string_list *defn, int is_extern);
void export_symbol(const char *);
-struct string_list *reset_list(void);
-void free_list(struct string_list *s, struct string_list *e);
void free_node(struct string_list *list);
+void free_list(struct string_list *s, struct string_list *e);
struct string_list *copy_node(struct string_list *);
-struct string_list *copy_list(struct string_list *s, struct string_list *e);
-int equal_list(struct string_list *a, struct string_list *b);
-void print_list(FILE *, struct string_list *list);
int yylex(void);
int yyparse(void);
void error_with_pos(const char *, ...);
-#define version(a,b,c) ((a << 16) | (b << 8) | (c))
-
/*----------------------------------------------------------------------*/
-
-#define MODUTILS_VERSION "<in-kernel>"
-
#define xmalloc(size) ({ void *__ptr = malloc(size); \
if(!__ptr && size != 0) { \
fprintf(stderr, "out of memory\n"); \
@@ -101,4 +78,4 @@ void error_with_pos(const char *, ...);
} \
__str; })
-#endif /* genksyms.h */
+#endif /* genksyms.h */
diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
index d591578bd3b2..22d281c6ec24 100644
--- a/scripts/kallsyms.c
+++ b/scripts/kallsyms.c
@@ -124,6 +124,11 @@ static int read_symbol(FILE *in, struct sym_entry *s)
* compressed together */
s->len = strlen(str) + 1;
s->sym = malloc(s->len + 1);
+ if (!s->sym) {
+ fprintf(stderr, "kallsyms failure: "
+ "unable to allocate required amount of memory\n");
+ exit(EXIT_FAILURE);
+ }
strcpy((char *)s->sym + 1, str);
s->sym[0] = stype;
@@ -272,7 +277,12 @@ static void write_src(void)
/* table of offset markers, that give the offset in the compressed stream
* every 256 symbols */
- markers = (unsigned int *) malloc(sizeof(unsigned int) * ((table_cnt + 255) / 256));
+ markers = malloc(sizeof(unsigned int) * ((table_cnt + 255) / 256));
+ if (!markers) {
+ fprintf(stderr, "kallsyms failure: "
+ "unable to allocate required memory\n");
+ exit(EXIT_FAILURE);
+ }
output_label("kallsyms_names");
off = 0;
diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index 5760e057ecba..e6499db4c8cc 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -2,7 +2,7 @@
# Kernel configuration targets
# These targets are used from top-level makefile
-.PHONY: oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
+PHONY += oldconfig xconfig gconfig menuconfig config silentoldconfig update-po-config
xconfig: $(obj)/qconf
$< arch/$(ARCH)/Kconfig
@@ -42,7 +42,7 @@ update-po-config: $(obj)/kxgettext
$(Q)rm -f arch/um/Kconfig_arch
$(Q)rm -f scripts/kconfig/linux_*.pot scripts/kconfig/config.pot
-.PHONY: randconfig allyesconfig allnoconfig allmodconfig defconfig
+PHONY += randconfig allyesconfig allnoconfig allmodconfig defconfig
randconfig: $(obj)/conf
$< -r arch/$(ARCH)/Kconfig
@@ -78,7 +78,7 @@ help:
@echo ' defconfig - New config with default answer to all options'
@echo ' allmodconfig - New config selecting modules when possible'
@echo ' allyesconfig - New config where all options are accepted with yes'
- @echo ' allnoconfig - New minimal config'
+ @echo ' allnoconfig - New config where all options are answered with no'
# ===========================================================================
# Shared Makefile for the various kconfig executables:
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index b0cbbe2e41bb..1b8882ddbc74 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -374,6 +374,7 @@ int conf_write(const char *name)
out_h = fopen(".tmpconfig.h", "w");
if (!out_h)
return 1;
+ file_write_dep(NULL);
}
sym = sym_lookup("KERNELVERSION", 0);
sym_calc_value(sym);
@@ -512,7 +513,6 @@ int conf_write(const char *name)
if (out_h) {
fclose(out_h);
rename(".tmpconfig.h", "include/linux/autoconf.h");
- file_write_dep(NULL);
}
if (!name || basename != conf_def_filename) {
if (!name)
diff --git a/scripts/kconfig/lxdialog/Makefile b/scripts/kconfig/lxdialog/Makefile
index bbf4887cff74..a8b026326247 100644
--- a/scripts/kconfig/lxdialog/Makefile
+++ b/scripts/kconfig/lxdialog/Makefile
@@ -7,10 +7,10 @@ check-lxdialog := $(srctree)/$(src)/check-lxdialog.sh
# we really need to do so. (Do not call gcc as part of make mrproper)
HOST_EXTRACFLAGS = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ccflags)
HOST_LOADLIBES = $(shell $(CONFIG_SHELL) $(check-lxdialog) -ldflags $(HOSTCC))
-
-HOST_EXTRACFLAGS += -DLOCALE
-.PHONY: dochecklxdialog
+HOST_EXTRACFLAGS += -DLOCALE
+
+PHONY += dochecklxdialog
$(obj)/dochecklxdialog:
$(Q)$(CONFIG_SHELL) $(check-lxdialog) -check $(HOSTCC) $(HOST_LOADLIBES)
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index c4d621b30d0d..a22cbedd3b3e 100644
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -21,11 +21,13 @@ KERNELOUTPUT := $2
MAKEFLAGS += --no-print-directory
+.PHONY: all \$(MAKECMDGOALS)
+
all:
\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT)
-%::
- \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
+Makefile:;
+\$(filter-out all Makefile,\$(MAKECMDGOALS)) %/:
+ \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
EOF
-
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index c164b230ad6f..84e21201f3c0 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -34,7 +34,7 @@ typedef uint16_t __u16;
typedef unsigned char __u8;
/* Big exception to the "don't include kernel headers into userspace, which
- * even potentially has different endianness and word sizes, since
+ * even potentially has different endianness and word sizes, since
* we handle those differences explicitly below */
#include "../../include/linux/mod_devicetable.h"
#include "../../include/linux/input.h"
@@ -153,8 +153,8 @@ static void do_usb_table(void *symval, unsigned long size,
const unsigned long id_size = sizeof(struct usb_device_id);
if (size % id_size || size < id_size) {
- fprintf(stderr, "*** Warning: %s ids %lu bad size "
- "(each on %lu)\n", mod->name, size, id_size);
+ warn("%s ids %lu bad size "
+ "(each on %lu)\n", mod->name, size, id_size);
}
/* Leave last one: it's the terminator. */
size -= id_size;
@@ -217,9 +217,8 @@ static int do_pci_entry(const char *filename,
if ((baseclass_mask != 0 && baseclass_mask != 0xFF)
|| (subclass_mask != 0 && subclass_mask != 0xFF)
|| (interface_mask != 0 && interface_mask != 0xFF)) {
- fprintf(stderr,
- "*** Warning: Can't handle masks in %s:%04X\n",
- filename, id->class_mask);
+ warn("Can't handle masks in %s:%04X\n",
+ filename, id->class_mask);
return 0;
}
@@ -229,7 +228,7 @@ static int do_pci_entry(const char *filename,
return 1;
}
-/* looks like: "ccw:tNmNdtNdmN" */
+/* looks like: "ccw:tNmNdtNdmN" */
static int do_ccw_entry(const char *filename,
struct ccw_device_id *id, char *alias)
{
@@ -445,8 +444,8 @@ static void do_table(void *symval, unsigned long size,
int (*do_entry)(const char *, void *entry, char *alias) = function;
if (size % id_size || size < id_size) {
- fprintf(stderr, "*** Warning: %s ids %lu bad size "
- "(each on %lu)\n", mod->name, size, id_size);
+ warn("%s ids %lu bad size "
+ "(each on %lu)\n", mod->name, size, id_size);
}
/* Leave last one: it's the terminator. */
size -= id_size;
diff --git a/scripts/mod/mk_elfconfig.c b/scripts/mod/mk_elfconfig.c
index de2aabf89fb3..3c92c83733f4 100644
--- a/scripts/mod/mk_elfconfig.c
+++ b/scripts/mod/mk_elfconfig.c
@@ -6,7 +6,7 @@
int
main(int argc, char **argv)
{
- unsigned char ei[EI_NIDENT];
+ unsigned char ei[EI_NIDENT];
union { short s; char c[2]; } endian_test;
if (argc != 2) {
@@ -57,7 +57,7 @@ main(int argc, char **argv)
if ((strcmp(argv[1], "v850") == 0) || (strcmp(argv[1], "h8300") == 0))
printf("#define MODULE_SYMBOL_PREFIX \"_\"\n");
- else
+ else
printf("#define MODULE_SYMBOL_PREFIX \"\"\n");
return 0;
diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
index b8b2a560b26b..0b92ddff26fd 100644
--- a/scripts/mod/modpost.c
+++ b/scripts/mod/modpost.c
@@ -2,7 +2,7 @@
*
* Copyright 2003 Kai Germaschewski
* Copyright 2002-2004 Rusty Russell, IBM Corporation
- *
+ * Copyright 2006 Sam Ravnborg
* Based in part on module-init-tools/depmod.c,file2alias
*
* This software may be used and distributed according to the terms
@@ -20,9 +20,10 @@ int modversions = 0;
int have_vmlinux = 0;
/* Is CONFIG_MODULE_SRCVERSION_ALL set? */
static int all_versions = 0;
+/* If we are modposting external module set to 1 */
+static int external_module = 0;
-void
-fatal(const char *fmt, ...)
+void fatal(const char *fmt, ...)
{
va_list arglist;
@@ -35,8 +36,7 @@ fatal(const char *fmt, ...)
exit(1);
}
-void
-warn(const char *fmt, ...)
+void warn(const char *fmt, ...)
{
va_list arglist;
@@ -47,6 +47,18 @@ warn(const char *fmt, ...)
va_end(arglist);
}
+static int is_vmlinux(const char *modname)
+{
+ const char *myname;
+
+ if ((myname = strrchr(modname, '/')))
+ myname++;
+ else
+ myname = modname;
+
+ return strcmp(myname, "vmlinux") == 0;
+}
+
void *do_nofail(void *ptr, const char *expr)
{
if (!ptr) {
@@ -59,8 +71,7 @@ void *do_nofail(void *ptr, const char *expr)
static struct module *modules;
-struct module *
-find_module(char *modname)
+static struct module *find_module(char *modname)
{
struct module *mod;
@@ -70,12 +81,11 @@ find_module(char *modname)
return mod;
}
-struct module *
-new_module(char *modname)
+static struct module *new_module(char *modname)
{
struct module *mod;
char *p, *s;
-
+
mod = NOFAIL(malloc(sizeof(*mod)));
memset(mod, 0, sizeof(*mod));
p = NOFAIL(strdup(modname));
@@ -104,6 +114,10 @@ struct symbol {
unsigned int crc;
int crc_valid;
unsigned int weak:1;
+ unsigned int vmlinux:1; /* 1 if symbol is defined in vmlinux */
+ unsigned int kernel:1; /* 1 if symbol is from kernel
+ * (only for external modules) **/
+ unsigned int preloaded:1; /* 1 if symbol from Module.symvers */
char name[0];
};
@@ -122,11 +136,12 @@ static inline unsigned int tdb_hash(const char *name)
return (1103515243 * value + 12345);
}
-/* Allocate a new symbols for use in the hash of exported symbols or
- * the list of unresolved symbols per module */
-
-struct symbol *
-alloc_symbol(const char *name, unsigned int weak, struct symbol *next)
+/**
+ * Allocate a new symbols for use in the hash of exported symbols or
+ * the list of unresolved symbols per module
+ **/
+static struct symbol *alloc_symbol(const char *name, unsigned int weak,
+ struct symbol *next)
{
struct symbol *s = NOFAIL(malloc(sizeof(*s) + strlen(name) + 1));
@@ -138,9 +153,7 @@ alloc_symbol(const char *name, unsigned int weak, struct symbol *next)
}
/* For the hash of exported symbols */
-
-void
-new_symbol(const char *name, struct module *module, unsigned int *crc)
+static struct symbol *new_symbol(const char *name, struct module *module)
{
unsigned int hash;
struct symbol *new;
@@ -148,14 +161,10 @@ new_symbol(const char *name, struct module *module, unsigned int *crc)
hash = tdb_hash(name) % SYMBOL_HASH_SIZE;
new = symbolhash[hash] = alloc_symbol(name, 0, symbolhash[hash]);
new->module = module;
- if (crc) {
- new->crc = *crc;
- new->crc_valid = 1;
- }
+ return new;
}
-struct symbol *
-find_symbol(const char *name)
+static struct symbol *find_symbol(const char *name)
{
struct symbol *s;
@@ -170,25 +179,42 @@ find_symbol(const char *name)
return NULL;
}
-/* Add an exported symbol - it may have already been added without a
- * CRC, in this case just update the CRC */
-void
-add_exported_symbol(const char *name, struct module *module, unsigned int *crc)
+/**
+ * Add an exported symbol - it may have already been added without a
+ * CRC, in this case just update the CRC
+ **/
+static struct symbol *sym_add_exported(const char *name, struct module *mod)
{
struct symbol *s = find_symbol(name);
if (!s) {
- new_symbol(name, module, crc);
- return;
- }
- if (crc) {
- s->crc = *crc;
- s->crc_valid = 1;
+ s = new_symbol(name, mod);
+ } else {
+ if (!s->preloaded) {
+ warn("%s: '%s' exported twice. Previous export "
+ "was in %s%s\n", mod->name, name,
+ s->module->name,
+ is_vmlinux(s->module->name) ?"":".ko");
+ }
}
+ s->preloaded = 0;
+ s->vmlinux = is_vmlinux(mod->name);
+ s->kernel = 0;
+ return s;
+}
+
+static void sym_update_crc(const char *name, struct module *mod,
+ unsigned int crc)
+{
+ struct symbol *s = find_symbol(name);
+
+ if (!s)
+ s = new_symbol(name, mod);
+ s->crc = crc;
+ s->crc_valid = 1;
}
-void *
-grab_file(const char *filename, unsigned long *size)
+void *grab_file(const char *filename, unsigned long *size)
{
struct stat st;
void *map;
@@ -207,13 +233,12 @@ grab_file(const char *filename, unsigned long *size)
return map;
}
-/*
- Return a copy of the next line in a mmap'ed file.
- spaces in the beginning of the line is trimmed away.
- Return a pointer to a static buffer.
-*/
-char*
-get_next_line(unsigned long *pos, void *file, unsigned long size)
+/**
+ * Return a copy of the next line in a mmap'ed file.
+ * spaces in the beginning of the line is trimmed away.
+ * Return a pointer to a static buffer.
+ **/
+char* get_next_line(unsigned long *pos, void *file, unsigned long size)
{
static char line[4096];
int skip = 1;
@@ -243,14 +268,12 @@ get_next_line(unsigned long *pos, void *file, unsigned long size)
return NULL;
}
-void
-release_file(void *file, unsigned long size)
+void release_file(void *file, unsigned long size)
{
munmap(file, size);
}
-void
-parse_elf(struct elf_info *info, const char *filename)
+static void parse_elf(struct elf_info *info, const char *filename)
{
unsigned int i;
Elf_Ehdr *hdr = info->hdr;
@@ -297,14 +320,13 @@ parse_elf(struct elf_info *info, const char *filename)
continue;
info->symtab_start = (void *)hdr + sechdrs[i].sh_offset;
- info->symtab_stop = (void *)hdr + sechdrs[i].sh_offset
+ info->symtab_stop = (void *)hdr + sechdrs[i].sh_offset
+ sechdrs[i].sh_size;
- info->strtab = (void *)hdr +
+ info->strtab = (void *)hdr +
sechdrs[sechdrs[i].sh_link].sh_offset;
}
if (!info->symtab_start) {
- fprintf(stderr, "modpost: %s no symtab?\n", filename);
- abort();
+ fatal("%s has no symtab?\n", filename);
}
/* Fix endianness in symbols */
for (sym = info->symtab_start; sym < info->symtab_stop; sym++) {
@@ -316,36 +338,31 @@ parse_elf(struct elf_info *info, const char *filename)
return;
truncated:
- fprintf(stderr, "modpost: %s is truncated.\n", filename);
- abort();
+ fatal("%s is truncated.\n", filename);
}
-void
-parse_elf_finish(struct elf_info *info)
+static void parse_elf_finish(struct elf_info *info)
{
release_file(info->hdr, info->size);
}
-#define CRC_PFX "__crc_"
-#define KSYMTAB_PFX "__ksymtab_"
+#define CRC_PFX MODULE_SYMBOL_PREFIX "__crc_"
+#define KSYMTAB_PFX MODULE_SYMBOL_PREFIX "__ksymtab_"
-void
-handle_modversions(struct module *mod, struct elf_info *info,
- Elf_Sym *sym, const char *symname)
+static void handle_modversions(struct module *mod, struct elf_info *info,
+ Elf_Sym *sym, const char *symname)
{
unsigned int crc;
switch (sym->st_shndx) {
case SHN_COMMON:
- fprintf(stderr, "*** Warning: \"%s\" [%s] is COMMON symbol\n",
- symname, mod->name);
+ warn("\"%s\" [%s] is COMMON symbol\n", symname, mod->name);
break;
case SHN_ABS:
/* CRC'd symbol */
if (memcmp(symname, CRC_PFX, strlen(CRC_PFX)) == 0) {
crc = (unsigned int) sym->st_value;
- add_exported_symbol(symname + strlen(CRC_PFX),
- mod, &crc);
+ sym_update_crc(symname + strlen(CRC_PFX), mod, crc);
}
break;
case SHN_UNDEF:
@@ -370,15 +387,15 @@ handle_modversions(struct module *mod, struct elf_info *info,
/* Ignore register directives. */
if (ELF_ST_TYPE(sym->st_info) == STT_SPARC_REGISTER)
break;
- if (symname[0] == '.') {
- char *munged = strdup(symname);
- munged[0] = '_';
- munged[1] = toupper(munged[1]);
- symname = munged;
- }
+ if (symname[0] == '.') {
+ char *munged = strdup(symname);
+ munged[0] = '_';
+ munged[1] = toupper(munged[1]);
+ symname = munged;
+ }
}
#endif
-
+
if (memcmp(symname, MODULE_SYMBOL_PREFIX,
strlen(MODULE_SYMBOL_PREFIX)) == 0)
mod->unres = alloc_symbol(symname +
@@ -389,8 +406,7 @@ handle_modversions(struct module *mod, struct elf_info *info,
default:
/* All exported symbols */
if (memcmp(symname, KSYMTAB_PFX, strlen(KSYMTAB_PFX)) == 0) {
- add_exported_symbol(symname + strlen(KSYMTAB_PFX),
- mod, NULL);
+ sym_add_exported(symname + strlen(KSYMTAB_PFX), mod);
}
if (strcmp(symname, MODULE_SYMBOL_PREFIX "init_module") == 0)
mod->has_init = 1;
@@ -400,20 +416,9 @@ handle_modversions(struct module *mod, struct elf_info *info,
}
}
-int
-is_vmlinux(const char *modname)
-{
- const char *myname;
-
- if ((myname = strrchr(modname, '/')))
- myname++;
- else
- myname = modname;
-
- return strcmp(myname, "vmlinux") == 0;
-}
-
-/* Parse tag=value strings from .modinfo section */
+/**
+ * Parse tag=value strings from .modinfo section
+ **/
static char *next_string(char *string, unsigned long *secsize)
{
/* Skip non-zero chars */
@@ -446,8 +451,418 @@ static char *get_modinfo(void *modinfo, unsigned long modinfo_len,
return NULL;
}
-void
-read_symbols(char *modname)
+/**
+ * Test if string s ends in string sub
+ * return 0 if match
+ **/
+static int strrcmp(const char *s, const char *sub)
+{
+ int slen, sublen;
+
+ if (!s || !sub)
+ return 1;
+
+ slen = strlen(s);
+ sublen = strlen(sub);
+
+ if ((slen == 0) || (sublen == 0))
+ return 1;
+
+ if (sublen > slen)
+ return 1;
+
+ return memcmp(s + slen - sublen, sub, sublen);
+}
+
+/**
+ * Whitelist to allow certain references to pass with no warning.
+ * Pattern 1:
+ * If a module parameter is declared __initdata and permissions=0
+ * then this is legal despite the warning generated.
+ * We cannot see value of permissions here, so just ignore
+ * this pattern.
+ * The pattern is identified by:
+ * tosec = .init.data
+ * fromsec = .data*
+ * atsym =__param*
+ *
+ * Pattern 2:
+ * Many drivers utilise a *_driver container with references to
+ * add, remove, probe functions etc.
+ * These functions may often be marked __init and we do not want to
+ * warn here.
+ * the pattern is identified by:
+ * tosec = .init.text | .exit.text
+ * fromsec = .data
+ * atsym = *_driver, *_ops, *_probe, *probe_one
+ **/
+static int secref_whitelist(const char *tosec, const char *fromsec,
+ const char *atsym)
+{
+ int f1 = 1, f2 = 1;
+ const char **s;
+ const char *pat2sym[] = {
+ "_driver",
+ "_ops",
+ "_probe",
+ "_probe_one",
+ NULL
+ };
+
+ /* Check for pattern 1 */
+ if (strcmp(tosec, ".init.data") != 0)
+ f1 = 0;
+ if (strncmp(fromsec, ".data", strlen(".data")) != 0)
+ f1 = 0;
+ if (strncmp(atsym, "__param", strlen("__param")) != 0)
+ f1 = 0;
+
+ if (f1)
+ return f1;
+
+ /* Check for pattern 2 */
+ if ((strcmp(tosec, ".init.text") != 0) &&
+ (strcmp(tosec, ".exit.text") != 0))
+ f2 = 0;
+ if (strcmp(fromsec, ".data") != 0)
+ f2 = 0;
+
+ for (s = pat2sym; *s; s++)
+ if (strrcmp(atsym, *s) == 0)
+ f1 = 1;
+
+ return f1 && f2;
+}
+
+/**
+ * Find symbol based on relocation record info.
+ * In some cases the symbol supplied is a valid symbol so
+ * return refsym. If st_name != 0 we assume this is a valid symbol.
+ * In other cases the symbol needs to be looked up in the symbol table
+ * based on section and address.
+ * **/
+static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf_Addr addr,
+ Elf_Sym *relsym)
+{
+ Elf_Sym *sym;
+
+ if (relsym->st_name != 0)
+ return relsym;
+ for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {
+ if (sym->st_shndx != relsym->st_shndx)
+ continue;
+ if (sym->st_value == addr)
+ return sym;
+ }
+ return NULL;
+}
+
+/*
+ * 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.
+ * The ELF format may have a better way to detect what type of symbol
+ * it is, but this works for now.
+ **/
+static void find_symbols_between(struct elf_info *elf, Elf_Addr addr,
+ const char *sec,
+ Elf_Sym **before, Elf_Sym **after)
+{
+ Elf_Sym *sym;
+ Elf_Ehdr *hdr = elf->hdr;
+ Elf_Addr beforediff = ~0;
+ Elf_Addr afterdiff = ~0;
+ const char *secstrings = (void *)hdr +
+ elf->sechdrs[hdr->e_shstrndx].sh_offset;
+
+ *before = NULL;
+ *after = NULL;
+
+ for (sym = elf->symtab_start; sym < elf->symtab_stop; sym++) {
+ const char *symsec;
+
+ if (sym->st_shndx >= SHN_LORESERVE)
+ continue;
+ symsec = secstrings + elf->sechdrs[sym->st_shndx].sh_name;
+ if (strcmp(symsec, sec) != 0)
+ 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;
+ }
+ }
+ else
+ {
+ if ((sym->st_value - addr) < afterdiff) {
+ afterdiff = sym->st_value - 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;
+ }
+ }
+ }
+}
+
+/**
+ * Print a warning about a section mismatch.
+ * Try to find symbols near it so user can find it.
+ * Check whitelist before warning - it may be a false positive.
+ **/
+static void warn_sec_mismatch(const char *modname, const char *fromsec,
+ struct elf_info *elf, Elf_Sym *sym, Elf_Rela r)
+{
+ const char *refsymname = "";
+ Elf_Sym *before, *after;
+ Elf_Sym *refsym;
+ Elf_Ehdr *hdr = elf->hdr;
+ Elf_Shdr *sechdrs = elf->sechdrs;
+ const char *secstrings = (void *)hdr +
+ sechdrs[hdr->e_shstrndx].sh_offset;
+ const char *secname = secstrings + sechdrs[sym->st_shndx].sh_name;
+
+ find_symbols_between(elf, r.r_offset, fromsec, &before, &after);
+
+ refsym = find_elf_symbol(elf, r.r_addend, sym);
+ if (refsym && strlen(elf->strtab + refsym->st_name))
+ refsymname = elf->strtab + refsym->st_name;
+
+ /* check whitelist - we may ignore it */
+ if (before &&
+ secref_whitelist(secname, fromsec, elf->strtab + before->st_name))
+ return;
+
+ if (before && after) {
+ warn("%s - Section mismatch: reference to %s:%s from %s "
+ "between '%s' (at offset 0x%llx) and '%s'\n",
+ modname, secname, refsymname, fromsec,
+ elf->strtab + before->st_name,
+ (long long)r.r_offset,
+ elf->strtab + after->st_name);
+ } else if (before) {
+ warn("%s - Section mismatch: reference to %s:%s from %s "
+ "after '%s' (at offset 0x%llx)\n",
+ modname, secname, refsymname, fromsec,
+ elf->strtab + before->st_name,
+ (long long)r.r_offset);
+ } else if (after) {
+ warn("%s - Section mismatch: reference to %s:%s from %s "
+ "before '%s' (at offset -0x%llx)\n",
+ modname, secname, refsymname, fromsec,
+ elf->strtab + before->st_name,
+ (long long)r.r_offset);
+ } else {
+ warn("%s - Section mismatch: reference to %s:%s from %s "
+ "(offset 0x%llx)\n",
+ modname, secname, fromsec, refsymname,
+ (long long)r.r_offset);
+ }
+}
+
+/**
+ * A module includes a number of sections that are discarded
+ * either when loaded or when used as built-in.
+ * For loaded modules all functions marked __init and all data
+ * marked __initdata will be discarded when the module has been intialized.
+ * Likewise for modules used built-in the sections marked __exit
+ * are discarded because __exit marked function are supposed to be called
+ * only when a moduel is unloaded which never happes for built-in modules.
+ * The check_sec_ref() function traverses all relocation records
+ * to find all references to a section that reference a section that will
+ * be discarded and warns about it.
+ **/
+static void check_sec_ref(struct module *mod, const char *modname,
+ struct elf_info *elf,
+ int section(const char*),
+ int section_ref_ok(const char *))
+{
+ int i;
+ Elf_Sym *sym;
+ Elf_Ehdr *hdr = elf->hdr;
+ Elf_Shdr *sechdrs = elf->sechdrs;
+ const char *secstrings = (void *)hdr +
+ sechdrs[hdr->e_shstrndx].sh_offset;
+
+ /* Walk through all sections */
+ for (i = 0; i < hdr->e_shnum; i++) {
+ Elf_Rela *rela;
+ Elf_Rela *start = (void *)hdr + sechdrs[i].sh_offset;
+ Elf_Rela *stop = (void*)start + sechdrs[i].sh_size;
+ const char *name = secstrings + sechdrs[i].sh_name +
+ strlen(".rela");
+ /* We want to process only relocation sections and not .init */
+ if (section_ref_ok(name) || (sechdrs[i].sh_type != SHT_RELA))
+ continue;
+
+ for (rela = start; rela < stop; rela++) {
+ Elf_Rela r;
+ const char *secname;
+ r.r_offset = TO_NATIVE(rela->r_offset);
+ r.r_info = TO_NATIVE(rela->r_info);
+ r.r_addend = TO_NATIVE(rela->r_addend);
+ sym = elf->symtab_start + ELF_R_SYM(r.r_info);
+ /* Skip special sections */
+ if (sym->st_shndx >= SHN_LORESERVE)
+ continue;
+
+ secname = secstrings + sechdrs[sym->st_shndx].sh_name;
+ if (section(secname))
+ warn_sec_mismatch(modname, name, elf, sym, r);
+ }
+ }
+}
+
+/**
+ * Functions used only during module init is marked __init and is stored in
+ * a .init.text section. Likewise data is marked __initdata and stored in
+ * a .init.data section.
+ * If this section is one of these sections return 1
+ * See include/linux/init.h for the details
+ **/
+static int init_section(const char *name)
+{
+ if (strcmp(name, ".init") == 0)
+ return 1;
+ if (strncmp(name, ".init.", strlen(".init.")) == 0)
+ return 1;
+ return 0;
+}
+
+/**
+ * Identify sections from which references to a .init section is OK.
+ *
+ * Unfortunately references to read only data that referenced .init
+ * sections had to be excluded. Almost all of these are false
+ * positives, they are created by gcc. The downside of excluding rodata
+ * is that there really are some user references from rodata to
+ * init code, e.g. drivers/video/vgacon.c:
+ *
+ * const struct consw vga_con = {
+ * con_startup: vgacon_startup,
+ *
+ * where vgacon_startup is __init. If you want to wade through the false
+ * positives, take out the check for rodata.
+ **/
+static int init_section_ref_ok(const char *name)
+{
+ const char **s;
+ /* Absolute section names */
+ const char *namelist1[] = {
+ ".init",
+ ".opd", /* see comment [OPD] at exit_section_ref_ok() */
+ ".toc1", /* used by ppc64 */
+ ".stab",
+ ".rodata",
+ ".text.lock",
+ "__bug_table", /* used by powerpc for BUG() */
+ ".pci_fixup_header",
+ ".pci_fixup_final",
+ ".pdr",
+ "__param",
+ NULL
+ };
+ /* Start of section names */
+ const char *namelist2[] = {
+ ".init.",
+ ".altinstructions",
+ ".eh_frame",
+ ".debug",
+ NULL
+ };
+ /* part of section name */
+ const char *namelist3 [] = {
+ ".unwind", /* sample: IA_64.unwind.init.text */
+ NULL
+ };
+
+ for (s = namelist1; *s; s++)
+ if (strcmp(*s, name) == 0)
+ return 1;
+ for (s = namelist2; *s; s++)
+ if (strncmp(*s, name, strlen(*s)) == 0)
+ return 1;
+ for (s = namelist3; *s; s++)
+ if (strstr(name, *s) != NULL)
+ return 1;
+ return 0;
+}
+
+/*
+ * Functions used only during module exit is marked __exit and is stored in
+ * a .exit.text section. Likewise data is marked __exitdata and stored in
+ * a .exit.data section.
+ * If this section is one of these sections return 1
+ * See include/linux/init.h for the details
+ **/
+static int exit_section(const char *name)
+{
+ if (strcmp(name, ".exit.text") == 0)
+ return 1;
+ if (strcmp(name, ".exit.data") == 0)
+ return 1;
+ return 0;
+
+}
+
+/*
+ * Identify sections from which references to a .exit section is OK.
+ *
+ * [OPD] Keith Ownes <kaos@sgi.com> commented:
+ * For our future {in}sanity, add a comment that this is the ppc .opd
+ * section, not the ia64 .opd section.
+ * ia64 .opd should not point to discarded sections.
+ **/
+static int exit_section_ref_ok(const char *name)
+{
+ const char **s;
+ /* Absolute section names */
+ const char *namelist1[] = {
+ ".exit.text",
+ ".exit.data",
+ ".init.text",
+ ".opd", /* See comment [OPD] */
+ ".toc1", /* used by ppc64 */
+ ".altinstructions",
+ ".pdr",
+ "__bug_table", /* used by powerpc for BUG() */
+ ".exitcall.exit",
+ ".eh_frame",
+ ".stab",
+ NULL
+ };
+ /* Start of section names */
+ const char *namelist2[] = {
+ ".debug",
+ NULL
+ };
+ /* part of section name */
+ const char *namelist3 [] = {
+ ".unwind", /* Sample: IA_64.unwind.exit.text */
+ NULL
+ };
+
+ for (s = namelist1; *s; s++)
+ if (strcmp(*s, name) == 0)
+ return 1;
+ for (s = namelist2; *s; s++)
+ if (strncmp(*s, name, strlen(*s)) == 0)
+ return 1;
+ for (s = namelist3; *s; s++)
+ if (strstr(name, *s) != NULL)
+ return 1;
+ return 0;
+}
+
+static void read_symbols(char *modname)
{
const char *symname;
char *version;
@@ -462,9 +877,7 @@ read_symbols(char *modname)
/* When there's no vmlinux, don't print warnings about
* unresolved symbols (since there'll be too many ;) */
if (is_vmlinux(modname)) {
- unsigned int fake_crc = 0;
have_vmlinux = 1;
- add_exported_symbol("struct_module", mod, &fake_crc);
mod->skip = 1;
}
@@ -474,6 +887,8 @@ read_symbols(char *modname)
handle_modversions(mod, &info, sym, symname);
handle_moddevtable(mod, &info, sym, symname);
}
+ check_sec_ref(mod, modname, &info, init_section, init_section_ref_ok);
+ check_sec_ref(mod, modname, &info, exit_section, exit_section_ref_ok);
version = get_modinfo(info.modinfo, info.modinfo_len, "version");
if (version)
@@ -499,21 +914,20 @@ read_symbols(char *modname)
* following helper, then compare to the file on disk and
* only update the later if anything changed */
-void __attribute__((format(printf, 2, 3)))
-buf_printf(struct buffer *buf, const char *fmt, ...)
+void __attribute__((format(printf, 2, 3))) buf_printf(struct buffer *buf,
+ const char *fmt, ...)
{
char tmp[SZ];
int len;
va_list ap;
-
+
va_start(ap, fmt);
len = vsnprintf(tmp, SZ, fmt, ap);
buf_write(buf, tmp, len);
va_end(ap);
}
-void
-buf_write(struct buffer *buf, const char *s, int len)
+void buf_write(struct buffer *buf, const char *s, int len)
{
if (buf->size - buf->pos < len) {
buf->size += len + SZ;
@@ -523,10 +937,10 @@ buf_write(struct buffer *buf, const char *s, int len)
buf->pos += len;
}
-/* Header for the generated file */
-
-void
-add_header(struct buffer *b, struct module *mod)
+/**
+ * Header for the generated file
+ **/
+static void add_header(struct buffer *b, struct module *mod)
{
buf_printf(b, "#include <linux/module.h>\n");
buf_printf(b, "#include <linux/vermagic.h>\n");
@@ -546,10 +960,10 @@ add_header(struct buffer *b, struct module *mod)
buf_printf(b, "};\n");
}
-/* Record CRCs for unresolved symbols */
-
-void
-add_versions(struct buffer *b, struct module *mod)
+/**
+ * Record CRCs for unresolved symbols
+ **/
+static void add_versions(struct buffer *b, struct module *mod)
{
struct symbol *s, *exp;
@@ -557,8 +971,8 @@ add_versions(struct buffer *b, struct module *mod)
exp = find_symbol(s->name);
if (!exp || exp->module == mod) {
if (have_vmlinux && !s->weak)
- fprintf(stderr, "*** Warning: \"%s\" [%s.ko] "
- "undefined!\n", s->name, mod->name);
+ warn("\"%s\" [%s.ko] undefined!\n",
+ s->name, mod->name);
continue;
}
s->module = exp->module;
@@ -579,8 +993,7 @@ add_versions(struct buffer *b, struct module *mod)
continue;
}
if (!s->crc_valid) {
- fprintf(stderr, "*** Warning: \"%s\" [%s.ko] "
- "has no CRC!\n",
+ warn("\"%s\" [%s.ko] has no CRC!\n",
s->name, mod->name);
continue;
}
@@ -590,8 +1003,8 @@ add_versions(struct buffer *b, struct module *mod)
buf_printf(b, "};\n");
}
-void
-add_depends(struct buffer *b, struct module *mod, struct module *modules)
+static void add_depends(struct buffer *b, struct module *mod,
+ struct module *modules)
{
struct symbol *s;
struct module *m;
@@ -621,8 +1034,7 @@ add_depends(struct buffer *b, struct module *mod, struct module *modules)
buf_printf(b, "\";\n");
}
-void
-add_srcversion(struct buffer *b, struct module *mod)
+static void add_srcversion(struct buffer *b, struct module *mod)
{
if (mod->srcversion[0]) {
buf_printf(b, "\n");
@@ -631,8 +1043,7 @@ add_srcversion(struct buffer *b, struct module *mod)
}
}
-void
-write_if_changed(struct buffer *b, const char *fname)
+static void write_if_changed(struct buffer *b, const char *fname)
{
char *tmp;
FILE *file;
@@ -676,8 +1087,7 @@ write_if_changed(struct buffer *b, const char *fname)
fclose(file);
}
-void
-read_dump(const char *fname)
+static void read_dump(const char *fname, unsigned int kernel)
{
unsigned long size, pos = 0;
void *file = grab_file(fname, &size);
@@ -691,6 +1101,7 @@ read_dump(const char *fname)
char *symname, *modname, *d;
unsigned int crc;
struct module *mod;
+ struct symbol *s;
if (!(symname = strchr(line, '\t')))
goto fail;
@@ -711,15 +1122,30 @@ read_dump(const char *fname)
mod = new_module(NOFAIL(strdup(modname)));
mod->skip = 1;
}
- add_exported_symbol(symname, mod, &crc);
+ s = sym_add_exported(symname, mod);
+ s->kernel = kernel;
+ s->preloaded = 1;
+ sym_update_crc(symname, mod, crc);
}
return;
fail:
fatal("parse error in symbol dump file\n");
}
-void
-write_dump(const char *fname)
+/* For normal builds always dump all symbols.
+ * For external modules only dump symbols
+ * that are not read from kernel Module.symvers.
+ **/
+static int dump_sym(struct symbol *sym)
+{
+ if (!external_module)
+ return 1;
+ if (sym->vmlinux || sym->kernel)
+ return 0;
+ return 1;
+}
+
+static void write_dump(const char *fname)
{
struct buffer buf = { };
struct symbol *symbol;
@@ -728,34 +1154,33 @@ write_dump(const char *fname)
for (n = 0; n < SYMBOL_HASH_SIZE ; n++) {
symbol = symbolhash[n];
while (symbol) {
- symbol = symbol->next;
- }
- }
-
- for (n = 0; n < SYMBOL_HASH_SIZE ; n++) {
- symbol = symbolhash[n];
- while (symbol) {
- buf_printf(&buf, "0x%08x\t%s\t%s\n", symbol->crc,
- symbol->name, symbol->module->name);
+ if (dump_sym(symbol))
+ buf_printf(&buf, "0x%08x\t%s\t%s\n",
+ symbol->crc, symbol->name,
+ symbol->module->name);
symbol = symbol->next;
}
}
write_if_changed(&buf, fname);
}
-int
-main(int argc, char **argv)
+int main(int argc, char **argv)
{
struct module *mod;
struct buffer buf = { };
char fname[SZ];
- char *dump_read = NULL, *dump_write = NULL;
+ char *kernel_read = NULL, *module_read = NULL;
+ char *dump_write = NULL;
int opt;
- while ((opt = getopt(argc, argv, "i:mo:a")) != -1) {
+ while ((opt = getopt(argc, argv, "i:I:mo:a")) != -1) {
switch(opt) {
case 'i':
- dump_read = optarg;
+ kernel_read = optarg;
+ break;
+ case 'I':
+ module_read = optarg;
+ external_module = 1;
break;
case 'm':
modversions = 1;
@@ -771,8 +1196,10 @@ main(int argc, char **argv)
}
}
- if (dump_read)
- read_dump(dump_read);
+ if (kernel_read)
+ read_dump(kernel_read, 1);
+ if (module_read)
+ read_dump(module_read, 0);
while (optind < argc) {
read_symbols(argv[optind++]);
@@ -799,4 +1226,3 @@ main(int argc, char **argv)
return 0;
}
-
diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h
index 7334d839145d..b14255c72a37 100644
--- a/scripts/mod/modpost.h
+++ b/scripts/mod/modpost.h
@@ -13,20 +13,30 @@
#if KERNEL_ELFCLASS == ELFCLASS32
-#define Elf_Ehdr Elf32_Ehdr
-#define Elf_Shdr Elf32_Shdr
+#define Elf_Ehdr Elf32_Ehdr
+#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
+#define Elf_Addr Elf32_Addr
+#define Elf_Section Elf32_Section
#define ELF_ST_BIND ELF32_ST_BIND
#define ELF_ST_TYPE ELF32_ST_TYPE
+#define Elf_Rela Elf32_Rela
+#define ELF_R_SYM ELF32_R_SYM
+#define ELF_R_TYPE ELF32_R_TYPE
#else
-#define Elf_Ehdr Elf64_Ehdr
-#define Elf_Shdr Elf64_Shdr
+#define Elf_Ehdr Elf64_Ehdr
+#define Elf_Shdr Elf64_Shdr
#define Elf_Sym Elf64_Sym
+#define Elf_Addr Elf64_Addr
+#define Elf_Section Elf64_Section
#define ELF_ST_BIND ELF64_ST_BIND
#define ELF_ST_TYPE ELF64_ST_TYPE
+#define Elf_Rela Elf64_Rela
+#define ELF_R_SYM ELF64_R_SYM
+#define ELF_R_TYPE ELF64_R_TYPE
#endif
#if KERNEL_ELFDATA != HOST_ELFDATA
@@ -91,17 +101,22 @@ struct elf_info {
unsigned int modinfo_len;
};
+/* file2alias.c */
void handle_moddevtable(struct module *mod, struct elf_info *info,
Elf_Sym *sym, const char *symname);
-
void add_moddevtable(struct buffer *buf, struct module *mod);
+/* sumversion.c */
void maybe_frob_rcs_version(const char *modfilename,
char *version,
void *modinfo,
unsigned long modinfo_offset);
void get_src_version(const char *modname, char sum[], unsigned sumlen);
+/* from modpost.c */
void *grab_file(const char *filename, unsigned long *size);
char* get_next_line(unsigned long *pos, void *file, unsigned long size);
void release_file(void *file, unsigned long size);
+
+void fatal(const char *fmt, ...);
+void warn(const char *fmt, ...);
diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c
index 43271a1ca01e..8a2875689e4d 100644
--- a/scripts/mod/sumversion.c
+++ b/scripts/mod/sumversion.c
@@ -316,8 +316,7 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md)
file = grab_file(cmd, &flen);
if (!file) {
- fprintf(stderr, "Warning: could not find %s for %s\n",
- cmd, objfile);
+ warn("could not find %s for %s\n", cmd, objfile);
goto out;
}
@@ -355,9 +354,8 @@ static int parse_source_files(const char *objfile, struct md4_ctx *md)
/* Check if this file is in same dir as objfile */
if ((strstr(line, dir)+strlen(dir)-1) == strrchr(line, '/')) {
if (!parse_file(line, md)) {
- fprintf(stderr,
- "Warning: could not open %s: %s\n",
- line, strerror(errno));
+ warn("could not open %s: %s\n",
+ line, strerror(errno));
goto out_file;
}
@@ -383,8 +381,11 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
struct md4_ctx md;
char *sources, *end, *fname;
const char *basename;
- char filelist[strlen(getenv("MODVERDIR")) + strlen("/") +
- strlen(modname) - strlen(".o") + strlen(".mod") + 1 ];
+ char filelist[PATH_MAX + 1];
+ char *modverdir = getenv("MODVERDIR");
+
+ if (!modverdir)
+ modverdir = ".";
/* Source files for module are in .tmp_versions/modname.mod,
after the first line. */
@@ -392,28 +393,25 @@ void get_src_version(const char *modname, char sum[], unsigned sumlen)
basename = strrchr(modname, '/') + 1;
else
basename = modname;
- sprintf(filelist, "%s/%.*s.mod", getenv("MODVERDIR"),
+ sprintf(filelist, "%s/%.*s.mod", modverdir,
(int) strlen(basename) - 2, basename);
file = grab_file(filelist, &len);
if (!file) {
- fprintf(stderr, "Warning: could not find versions for %s\n",
- filelist);
+ warn("could not find versions for %s\n", filelist);
return;
}
sources = strchr(file, '\n');
if (!sources) {
- fprintf(stderr, "Warning: malformed versions file for %s\n",
- modname);
+ warn("malformed versions file for %s\n", modname);
goto release;
}
sources++;
end = strchr(sources, '\n');
if (!end) {
- fprintf(stderr, "Warning: bad ending versions file for %s\n",
- modname);
+ warn("bad ending versions file for %s\n", modname);
goto release;
}
*end = '\0';
@@ -438,19 +436,19 @@ static void write_version(const char *filename, const char *sum,
fd = open(filename, O_RDWR);
if (fd < 0) {
- fprintf(stderr, "Warning: changing sum in %s failed: %s\n",
+ warn("changing sum in %s failed: %s\n",
filename, strerror(errno));
return;
}
if (lseek(fd, offset, SEEK_SET) == (off_t)-1) {
- fprintf(stderr, "Warning: changing sum in %s:%lu failed: %s\n",
+ warn("changing sum in %s:%lu failed: %s\n",
filename, offset, strerror(errno));
goto out;
}
if (write(fd, sum, strlen(sum)+1) != strlen(sum)+1) {
- fprintf(stderr, "Warning: writing sum in %s failed: %s\n",
+ warn("writing sum in %s failed: %s\n",
filename, strerror(errno));
goto out;
}
diff --git a/scripts/namespace.pl b/scripts/namespace.pl
index 88e30e82f1ca..f34373853ef8 100644
--- a/scripts/namespace.pl
+++ b/scripts/namespace.pl
@@ -66,8 +66,8 @@ require 5; # at least perl 5
use strict;
use File::Find;
-my $nm = "/usr/bin/nm -p";
-my $objdump = "/usr/bin/objdump -s -j .comment";
+my $nm = ($ENV{'NM'} || "nm") . " -p";
+my $objdump = ($ENV{'OBJDUMP'} || "objdump") . " -s -j .comment";
my $srctree = "";
my $objtree = "";
$srctree = "$ENV{'srctree'}/" if (exists($ENV{'srctree'}));
diff --git a/scripts/package/Makefile b/scripts/package/Makefile
index c201ef001f09..7c434e037e7f 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -32,12 +32,11 @@ MKSPEC := $(srctree)/scripts/package/mkspec
PREV := set -e; cd ..;
# rpm-pkg
-.PHONY: rpm-pkg rpm
-
+# ---------------------------------------------------------------------------
$(objtree)/kernel.spec: $(MKSPEC) $(srctree)/Makefile
$(CONFIG_SHELL) $(MKSPEC) > $@
-rpm-pkg rpm: $(objtree)/kernel.spec
+rpm-pkg rpm: $(objtree)/kernel.spec FORCE
$(MAKE) clean
$(PREV) ln -sf $(srctree) $(KERNELPATH)
$(PREV) tar -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(KERNELPATH)/.
@@ -54,11 +53,11 @@ rpm-pkg rpm: $(objtree)/kernel.spec
clean-files := $(objtree)/kernel.spec
# binrpm-pkg
-.PHONY: binrpm-pkg
+# ---------------------------------------------------------------------------
$(objtree)/binkernel.spec: $(MKSPEC) $(srctree)/Makefile
$(CONFIG_SHELL) $(MKSPEC) prebuilt > $@
-
-binrpm-pkg: $(objtree)/binkernel.spec
+
+binrpm-pkg: $(objtree)/binkernel.spec FORCE
$(MAKE) KBUILD_SRC=
set -e; \
$(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version
@@ -71,9 +70,7 @@ clean-files += $(objtree)/binkernel.spec
# Deb target
# ---------------------------------------------------------------------------
-#
-.PHONY: deb-pkg
-deb-pkg:
+deb-pkg: FORCE
$(MAKE) KBUILD_SRC=
$(CONFIG_SHELL) $(srctree)/scripts/package/builddeb
@@ -82,8 +79,7 @@ clean-dirs += $(objtree)/debian/
# tarball targets
# ---------------------------------------------------------------------------
-.PHONY: tar%pkg
-tar%pkg:
+tar%pkg: FORCE
$(MAKE) KBUILD_SRC=
$(CONFIG_SHELL) $(srctree)/scripts/package/buildtar $@
@@ -92,7 +88,7 @@ clean-dirs += $(objtree)/tar-install/
# Help text displayed when executing 'make help'
# ---------------------------------------------------------------------------
-help:
+help: FORCE
@echo ' rpm-pkg - Build the kernel as an RPM package'
@echo ' binrpm-pkg - Build an rpm package containing the compiled kernel'
@echo ' and modules'
diff --git a/scripts/profile2linkerlist.pl b/scripts/profile2linkerlist.pl
new file mode 100644
index 000000000000..cb4260ebdb91
--- /dev/null
+++ b/scripts/profile2linkerlist.pl
@@ -0,0 +1,21 @@
+#!/usr/bin/perl
+
+#
+# Takes a (sorted) output of readprofile and turns it into a list suitable for
+# linker scripts
+#
+# usage:
+# readprofile | sort -rn | perl profile2linkerlist.pl > functionlist
+#
+
+while (<>) {
+ my $line = $_;
+
+ $_ =~ /\W*[0-9]+\W*([a-zA-Z\_0-9]+)\W*[0-9]+/;
+
+ if ( ($line =~ /unknown/) || ($line =~ /total/)) {
+
+ } else {
+ print "*(.text.$1)\n";
+ }
+}
diff --git a/scripts/reference_discarded.pl b/scripts/reference_discarded.pl
deleted file mode 100644
index 4ee6ab2135b3..000000000000
--- a/scripts/reference_discarded.pl
+++ /dev/null
@@ -1,112 +0,0 @@
-#!/usr/bin/perl -w
-#
-# reference_discarded.pl (C) Keith Owens 2001 <kaos@ocs.com.au>
-#
-# Released under GPL V2.
-#
-# List dangling references to vmlinux discarded sections.
-
-use strict;
-die($0 . " takes no arguments\n") if($#ARGV >= 0);
-
-my %object;
-my $object;
-my $line;
-my $ignore;
-my $errorcount;
-
-$| = 1;
-
-# printf("Finding objects, ");
-open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed";
-while (defined($line = <OBJDUMP_LIST>)) {
- chomp($line);
- if ($line =~ /:\s+file format/) {
- ($object = $line) =~ s/:.*//;
- $object{$object}->{'module'} = 0;
- $object{$object}->{'size'} = 0;
- $object{$object}->{'off'} = 0;
- }
- if ($line =~ /^\s*\d+\s+\.modinfo\s+/) {
- $object{$object}->{'module'} = 1;
- }
- if ($line =~ /^\s*\d+\s+\.comment\s+/) {
- ($object{$object}->{'size'}, $object{$object}->{'off'}) = (split(' ', $line))[2,5];
- }
-}
-close(OBJDUMP_LIST);
-# printf("%d objects, ", scalar keys(%object));
-$ignore = 0;
-foreach $object (keys(%object)) {
- if ($object{$object}->{'module'}) {
- ++$ignore;
- delete($object{$object});
- }
-}
-# printf("ignoring %d module(s)\n", $ignore);
-
-# Ignore conglomerate objects, they have been built from multiple objects and we
-# only care about the individual objects. If an object has more than one GCC:
-# string in the comment section then it is conglomerate. This does not filter
-# out conglomerates that consist of exactly one object, can't be helped.
-
-# printf("Finding conglomerates, ");
-$ignore = 0;
-foreach $object (keys(%object)) {
- if (exists($object{$object}->{'off'})) {
- my ($off, $size, $comment, $l);
- $off = hex($object{$object}->{'off'});
- $size = hex($object{$object}->{'size'});
- open(OBJECT, "<$object") || die "cannot read $object";
- seek(OBJECT, $off, 0) || die "seek to $off in $object failed";
- $l = read(OBJECT, $comment, $size);
- die "read $size bytes from $object .comment failed" if ($l != $size);
- close(OBJECT);
- if ($comment =~ /GCC\:.*GCC\:/m || $object =~ /built-in\.o/) {
- ++$ignore;
- delete($object{$object});
- }
- }
-}
-# printf("ignoring %d conglomerate(s)\n", $ignore);
-
-# printf("Scanning objects\n");
-
-# Keith Ownes <kaos@sgi.com> commented:
-# For our future {in}sanity, add a comment that this is the ppc .opd
-# section, not the ia64 .opd section.
-# ia64 .opd should not point to discarded sections.
-$errorcount = 0;
-foreach $object (keys(%object)) {
- my $from;
- open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object";
- while (defined($line = <OBJDUMP>)) {
- chomp($line);
- if ($line =~ /RELOCATION RECORDS FOR /) {
- ($from = $line) =~ s/.*\[([^]]*).*/$1/;
- }
- if (($line =~ /\.text\.exit$/ ||
- $line =~ /\.exit\.text$/ ||
- $line =~ /\.data\.exit$/ ||
- $line =~ /\.exit\.data$/ ||
- $line =~ /\.exitcall\.exit$/) &&
- ($from !~ /\.text\.exit$/ &&
- $from !~ /\.exit\.text$/ &&
- $from !~ /\.data\.exit$/ &&
- $from !~ /\.opd$/ &&
- $from !~ /\.exit\.data$/ &&
- $from !~ /\.altinstructions$/ &&
- $from !~ /\.pdr$/ &&
- $from !~ /\.debug_.*$/ &&
- $from !~ /\.exitcall\.exit$/ &&
- $from !~ /\.eh_frame$/ &&
- $from !~ /\.stab$/)) {
- printf("Error: %s %s refers to %s\n", $object, $from, $line);
- $errorcount = $errorcount + 1;
- }
- }
- close(OBJDUMP);
-}
-# printf("Done\n");
-
-exit(0);
diff --git a/scripts/reference_init.pl b/scripts/reference_init.pl
deleted file mode 100644
index 7f6960b175a2..000000000000
--- a/scripts/reference_init.pl
+++ /dev/null
@@ -1,108 +0,0 @@
-#!/usr/bin/perl -w
-#
-# reference_init.pl (C) Keith Owens 2002 <kaos@ocs.com.au>
-#
-# List references to vmlinux init sections from non-init sections.
-
-# Unfortunately I had to exclude references from read only data to .init
-# sections, almost all of these are false positives, they are created by
-# gcc. The downside of excluding rodata is that there really are some
-# user references from rodata to init code, e.g. drivers/video/vgacon.c
-#
-# const struct consw vga_con = {
-# con_startup: vgacon_startup,
-#
-# where vgacon_startup is __init. If you want to wade through the false
-# positives, take out the check for rodata.
-
-use strict;
-die($0 . " takes no arguments\n") if($#ARGV >= 0);
-
-my %object;
-my $object;
-my $line;
-my $ignore;
-
-$| = 1;
-
-printf("Finding objects, ");
-open(OBJDUMP_LIST, "find . -name '*.o' | xargs objdump -h |") || die "getting objdump list failed";
-while (defined($line = <OBJDUMP_LIST>)) {
- chomp($line);
- if ($line =~ /:\s+file format/) {
- ($object = $line) =~ s/:.*//;
- $object{$object}->{'module'} = 0;
- $object{$object}->{'size'} = 0;
- $object{$object}->{'off'} = 0;
- }
- if ($line =~ /^\s*\d+\s+\.modinfo\s+/) {
- $object{$object}->{'module'} = 1;
- }
- if ($line =~ /^\s*\d+\s+\.comment\s+/) {
- ($object{$object}->{'size'}, $object{$object}->{'off'}) = (split(' ', $line))[2,5];
- }
-}
-close(OBJDUMP_LIST);
-printf("%d objects, ", scalar keys(%object));
-$ignore = 0;
-foreach $object (keys(%object)) {
- if ($object{$object}->{'module'}) {
- ++$ignore;
- delete($object{$object});
- }
-}
-printf("ignoring %d module(s)\n", $ignore);
-
-# Ignore conglomerate objects, they have been built from multiple objects and we
-# only care about the individual objects. If an object has more than one GCC:
-# string in the comment section then it is conglomerate. This does not filter
-# out conglomerates that consist of exactly one object, can't be helped.
-
-printf("Finding conglomerates, ");
-$ignore = 0;
-foreach $object (keys(%object)) {
- if (exists($object{$object}->{'off'})) {
- my ($off, $size, $comment, $l);
- $off = hex($object{$object}->{'off'});
- $size = hex($object{$object}->{'size'});
- open(OBJECT, "<$object") || die "cannot read $object";
- seek(OBJECT, $off, 0) || die "seek to $off in $object failed";
- $l = read(OBJECT, $comment, $size);
- die "read $size bytes from $object .comment failed" if ($l != $size);
- close(OBJECT);
- if ($comment =~ /GCC\:.*GCC\:/m || $object =~ /built-in\.o/) {
- ++$ignore;
- delete($object{$object});
- }
- }
-}
-printf("ignoring %d conglomerate(s)\n", $ignore);
-
-printf("Scanning objects\n");
-foreach $object (sort(keys(%object))) {
- my $from;
- open(OBJDUMP, "objdump -r $object|") || die "cannot objdump -r $object";
- while (defined($line = <OBJDUMP>)) {
- chomp($line);
- if ($line =~ /RELOCATION RECORDS FOR /) {
- ($from = $line) =~ s/.*\[([^]]*).*/$1/;
- }
- if (($line =~ /\.init$/ || $line =~ /\.init\./) &&
- ($from !~ /\.init$/ &&
- $from !~ /\.init\./ &&
- $from !~ /\.stab$/ &&
- $from !~ /\.rodata$/ &&
- $from !~ /\.text\.lock$/ &&
- $from !~ /\.pci_fixup_header$/ &&
- $from !~ /\.pci_fixup_final$/ &&
- $from !~ /\.pdr$/ &&
- $from !~ /\__param$/ &&
- $from !~ /\.altinstructions/ &&
- $from !~ /\.eh_frame/ &&
- $from !~ /\.debug_/)) {
- printf("Error: %s %s refers to %s\n", $object, $from, $line);
- }
- }
- close(OBJDUMP);
-}
-printf("Done\n");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-17 09:40:35 +0100