1#!/bin/sh 2# Generate tags or cscope files 3# Usage tags.sh <mode> 4# 5# mode may be any of: tags, TAGS, cscope 6# 7# Uses the following environment variables: 8# ARCH, SUBARCH, SRCARCH, srctree, src, obj 9 10if [ "$KBUILD_VERBOSE" = "1" ]; then 11 set -x 12fi 13 14# This is a duplicate of RCS_FIND_IGNORE without escaped '()' 15ignore="( -name SCCS -o -name BitKeeper -o -name .svn -o \ 16 -name CVS -o -name .pc -o -name .hg -o \ 17 -name .git ) \ 18 -prune -o" 19 20# Do not use full path if we do not use O=.. builds 21# Use make O=. {tags|cscope} 22# to force full paths for a non-O= build 23if [ "${KBUILD_SRC}" = "" ]; then 24 tree= 25else 26 tree=${srctree}/ 27fi 28 29# Find all available archs 30find_all_archs() 31{ 32 ALLSOURCE_ARCHS="" 33 for arch in `ls ${tree}arch`; do 34 ALLSOURCE_ARCHS="${ALLSOURCE_ARCHS} "${arch##\/} 35 done 36} 37 38# Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH 39if [ "${ALLSOURCE_ARCHS}" = "" ]; then 40 ALLSOURCE_ARCHS=${SRCARCH} 41elif [ "${ALLSOURCE_ARCHS}" = "all" ]; then 42 find_all_archs 43fi 44 45# find sources in arch/$ARCH 46find_arch_sources() 47{ 48 for i in $archincludedir; do 49 prune="$prune -wholename $i -prune -o" 50 done 51 find ${tree}arch/$1 $ignore $subarchprune $prune -name "$2" -print; 52} 53 54# find sources in arch/$1/include 55find_arch_include_sources() 56{ 57 include=$(find ${tree}arch/$1/ $subarchprune \ 58 -name include -type d -print); 59 if [ -n "$include" ]; then 60 archincludedir="$archincludedir $include" 61 find $include $ignore -name "$2" -print; 62 fi 63} 64 65# find sources in include/ 66find_include_sources() 67{ 68 find ${tree}include $ignore -name config -prune -o -name "$1" -print; 69} 70 71# find sources in rest of tree 72# we could benefit from a list of dirs to search in here 73find_other_sources() 74{ 75 find ${tree}* $ignore \ 76 \( -name include -o -name arch -o -name '.tmp_*' \) -prune -o \ 77 -name "$1" -print; 78} 79 80find_sources() 81{ 82 find_arch_sources $1 "$2" 83} 84 85all_sources() 86{ 87 find_arch_include_sources ${SRCARCH} '*.[chS]' 88 if [ ! -z "$archinclude" ]; then 89 find_arch_include_sources $archinclude '*.[chS]' 90 fi 91 find_include_sources '*.[chS]' 92 for arch in $ALLSOURCE_ARCHS 93 do 94 find_sources $arch '*.[chS]' 95 done 96 find_other_sources '*.[chS]' 97} 98 99all_compiled_sources() 100{ 101 for i in $(all_sources); do 102 case "$i" in 103 *.[cS]) 104 j=${i/\.[cS]/\.o} 105 if [ -e $j ]; then 106 echo $i 107 fi 108 ;; 109 *) 110 echo $i 111 ;; 112 esac 113 done 114} 115 116all_target_sources() 117{ 118 if [ -n "$COMPILED_SOURCE" ]; then 119 all_compiled_sources 120 else 121 all_sources 122 fi 123} 124 125all_kconfigs() 126{ 127 for arch in $ALLSOURCE_ARCHS; do 128 find_sources $arch 'Kconfig*' 129 done 130 find_other_sources 'Kconfig*' 131} 132 133all_defconfigs() 134{ 135 find_sources $ALLSOURCE_ARCHS "defconfig" 136} 137 138docscope() 139{ 140 (echo \-k; echo \-q; all_target_sources) > cscope.files 141 cscope -b -f cscope.out 142} 143 144dogtags() 145{ 146 all_target_sources | gtags -i -f - 147} 148 149exuberant() 150{ 151 all_target_sources | xargs $1 -a \ 152 -I __initdata,__exitdata,__initconst,__devinitdata \ 153 -I __devinitconst,__cpuinitdata,__initdata_memblock \ 154 -I __refdata,__attribute \ 155 -I __acquires,__releases,__deprecated \ 156 -I __read_mostly,__aligned,____cacheline_aligned \ 157 -I ____cacheline_aligned_in_smp \ 158 -I ____cacheline_internodealigned_in_smp \ 159 -I __used,__packed,__packed2__,__must_check,__must_hold \ 160 -I EXPORT_SYMBOL,EXPORT_SYMBOL_GPL \ 161 -I DEFINE_TRACE,EXPORT_TRACEPOINT_SYMBOL,EXPORT_TRACEPOINT_SYMBOL_GPL \ 162 -I static,const \ 163 --extra=+f --c-kinds=+px \ 164 --regex-asm='/^(ENTRY|_GLOBAL)\(([^)]*)\).*/\2/' \ 165 --regex-c='/^SYSCALL_DEFINE[[:digit:]]?\(([^,)]*).*/sys_\1/' \ 166 --regex-c++='/^TRACE_EVENT\(([^,)]*).*/trace_\1/' \ 167 --regex-c++='/^DEFINE_EVENT\([^,)]*, *([^,)]*).*/trace_\1/' \ 168 --regex-c++='/PAGEFLAG\(([^,)]*).*/Page\1/' \ 169 --regex-c++='/PAGEFLAG\(([^,)]*).*/SetPage\1/' \ 170 --regex-c++='/PAGEFLAG\(([^,)]*).*/ClearPage\1/' \ 171 --regex-c++='/TESTSETFLAG\(([^,)]*).*/TestSetPage\1/' \ 172 --regex-c++='/TESTPAGEFLAG\(([^,)]*).*/Page\1/' \ 173 --regex-c++='/SETPAGEFLAG\(([^,)]*).*/SetPage\1/' \ 174 --regex-c++='/__SETPAGEFLAG\(([^,)]*).*/__SetPage\1/' \ 175 --regex-c++='/TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ 176 --regex-c++='/__TESTCLEARFLAG\(([^,)]*).*/TestClearPage\1/' \ 177 --regex-c++='/CLEARPAGEFLAG\(([^,)]*).*/ClearPage\1/' \ 178 --regex-c++='/__CLEARPAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ 179 --regex-c++='/__PAGEFLAG\(([^,)]*).*/__SetPage\1/' \ 180 --regex-c++='/__PAGEFLAG\(([^,)]*).*/__ClearPage\1/' \ 181 --regex-c++='/PAGEFLAG_FALSE\(([^,)]*).*/Page\1/' \ 182 --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestSetPage\1/' \ 183 --regex-c++='/TESTSCFLAG\(([^,)]*).*/TestClearPage\1/' \ 184 --regex-c++='/SETPAGEFLAG_NOOP\(([^,)]*).*/SetPage\1/' \ 185 --regex-c++='/CLEARPAGEFLAG_NOOP\(([^,)]*).*/ClearPage\1/' \ 186 --regex-c++='/__CLEARPAGEFLAG_NOOP\(([^,)]*).*/__ClearPage\1/' \ 187 --regex-c++='/TESTCLEARFLAG_FALSE\(([^,)]*).*/TestClearPage\1/' \ 188 --regex-c++='/__TESTCLEARFLAG_FALSE\(([^,)]*).*/__TestClearPage\1/' \ 189 --regex-c++='/_PE\(([^,)]*).*/PEVENT_ERRNO__\1/' \ 190 --regex-c='/PCI_OP_READ\((\w*).*[1-4]\)/pci_bus_read_config_\1/' \ 191 --regex-c='/PCI_OP_WRITE\((\w*).*[1-4]\)/pci_bus_write_config_\1/' \ 192 --regex-c='/DEFINE_(MUTEX|SEMAPHORE|SPINLOCK)\((\w*)/\2/v/' \ 193 --regex-c='/DEFINE_(RAW_SPINLOCK|RWLOCK|SEQLOCK)\((\w*)/\2/v/' \ 194 --regex-c='/DECLARE_(RWSEM|COMPLETION)\((\w*)/\2/v/' \ 195 --regex-c='/DECLARE_BITMAP\((\w*)/\1/v/' \ 196 --regex-c='/(^|\s)(|L|H)LIST_HEAD\((\w*)/\3/v/' \ 197 --regex-c='/(^|\s)RADIX_TREE\((\w*)/\2/v/' \ 198 --regex-c='/DEFINE_PER_CPU\(([^,]*,\s*)(\w*).*\)/\2/v/' \ 199 --regex-c='/DEFINE_PER_CPU_SHARED_ALIGNED\(([^,]*,\s*)(\w*).*\)/\2/v/' \ 200 --regex-c='/DECLARE_WAIT_QUEUE_HEAD\((\w*)/\1/v/' \ 201 --regex-c='/DECLARE_(TASKLET|WORK|DELAYED_WORK)\((\w*)/\2/v/' \ 202 --regex-c='/DEFINE_PCI_DEVICE_TABLE\((\w*)/\1/v/' \ 203 --regex-c='/(^\s)OFFSET\((\w*)/\2/v/' \ 204 --regex-c='/(^\s)DEFINE\((\w*)/\2/v/' 205 206 all_kconfigs | xargs $1 -a \ 207 --langdef=kconfig --language-force=kconfig \ 208 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/\2/' 209 210 all_kconfigs | xargs $1 -a \ 211 --langdef=kconfig --language-force=kconfig \ 212 --regex-kconfig='/^[[:blank:]]*(menu|)config[[:blank:]]+([[:alnum:]_]+)/CONFIG_\2/' 213 214 all_defconfigs | xargs -r $1 -a \ 215 --langdef=dotconfig --language-force=dotconfig \ 216 --regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/' 217} 218 219emacs() 220{ 221 all_target_sources | xargs $1 -a \ 222 --regex='/^\(ENTRY\|_GLOBAL\)(\([^)]*\)).*/\2/' \ 223 --regex='/^SYSCALL_DEFINE[0-9]?(\([^,)]*\).*/sys_\1/' \ 224 --regex='/^TRACE_EVENT(\([^,)]*\).*/trace_\1/' \ 225 --regex='/^DEFINE_EVENT([^,)]*, *\([^,)]*\).*/trace_\1/' \ 226 --regex='/PAGEFLAG(\([^,)]*\).*/Page\1/' \ 227 --regex='/PAGEFLAG(\([^,)]*\).*/SetPage\1/' \ 228 --regex='/PAGEFLAG(\([^,)]*\).*/ClearPage\1/' \ 229 --regex='/TESTSETFLAG(\([^,)]*\).*/TestSetPage\1/' \ 230 --regex='/TESTPAGEFLAG(\([^,)]*\).*/Page\1/' \ 231 --regex='/SETPAGEFLAG(\([^,)]*\).*/SetPage\1/' \ 232 --regex='/__SETPAGEFLAG(\([^,)]*\).*/__SetPage\1/' \ 233 --regex='/TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \ 234 --regex='/__TESTCLEARFLAG(\([^,)]*\).*/TestClearPage\1/' \ 235 --regex='/CLEARPAGEFLAG(\([^,)]*\).*/ClearPage\1/' \ 236 --regex='/__CLEARPAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \ 237 --regex='/__PAGEFLAG(\([^,)]*\).*/__SetPage\1/' \ 238 --regex='/__PAGEFLAG(\([^,)]*\).*/__ClearPage\1/' \ 239 --regex='/PAGEFLAG_FALSE(\([^,)]*\).*/Page\1/' \ 240 --regex='/TESTSCFLAG(\([^,)]*\).*/TestSetPage\1/' \ 241 --regex='/TESTSCFLAG(\([^,)]*\).*/TestClearPage\1/' \ 242 --regex='/SETPAGEFLAG_NOOP(\([^,)]*\).*/SetPage\1/' \ 243 --regex='/CLEARPAGEFLAG_NOOP(\([^,)]*\).*/ClearPage\1/' \ 244 --regex='/__CLEARPAGEFLAG_NOOP(\([^,)]*\).*/__ClearPage\1/' \ 245 --regex='/TESTCLEARFLAG_FALSE(\([^,)]*\).*/TestClearPage\1/' \ 246 --regex='/__TESTCLEARFLAG_FALSE(\([^,)]*\).*/__TestClearPage\1/' \ 247 --regex='/_PE(\([^,)]*\).*/PEVENT_ERRNO__\1/' \ 248 --regex='/PCI_OP_READ(\([a-z]*[a-z]\).*[1-4])/pci_bus_read_config_\1/' \ 249 --regex='/PCI_OP_WRITE(\([a-z]*[a-z]\).*[1-4])/pci_bus_write_config_\1/' 250 251 all_kconfigs | xargs $1 -a \ 252 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/\3/' 253 254 all_kconfigs | xargs $1 -a \ 255 --regex='/^[ \t]*\(\(menu\)*config\)[ \t]+\([a-zA-Z0-9_]+\)/CONFIG_\3/' 256 257 all_defconfigs | xargs -r $1 -a \ 258 --regex='/^#?[ \t]?\(CONFIG_[a-zA-Z0-9_]+\)/\1/' 259} 260 261xtags() 262{ 263 if $1 --version 2>&1 | grep -iq exuberant; then 264 exuberant $1 265 elif $1 --version 2>&1 | grep -iq emacs; then 266 emacs $1 267 else 268 all_target_sources | xargs $1 -a 269 fi 270} 271 272# Support um (which uses SUBARCH) 273if [ "${ARCH}" = "um" ]; then 274 if [ "$SUBARCH" = "i386" ]; then 275 archinclude=x86 276 elif [ "$SUBARCH" = "x86_64" ]; then 277 archinclude=x86 278 else 279 archinclude=${SUBARCH} 280 fi 281elif [ "${SRCARCH}" = "arm" -a "${SUBARCH}" != "" ]; then 282 subarchdir=$(find ${tree}arch/$SRCARCH/ -name "mach-*" -type d -o \ 283 -name "plat-*" -type d); 284 for i in $subarchdir; do 285 case "$i" in 286 *"mach-"${SUBARCH}) 287 ;; 288 *"plat-"${SUBARCH}) 289 ;; 290 *) 291 subarchprune="$subarchprune \ 292 -wholename $i -prune -o" 293 ;; 294 esac 295 done 296fi 297 298remove_structs= 299case "$1" in 300 "cscope") 301 docscope 302 ;; 303 304 "gtags") 305 dogtags 306 ;; 307 308 "tags") 309 rm -f tags 310 xtags ctags 311 remove_structs=y 312 ;; 313 314 "TAGS") 315 rm -f TAGS 316 xtags etags 317 remove_structs=y 318 ;; 319esac 320 321# Remove structure forward declarations. 322if [ -n "$remove_structs" ]; then 323 LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1 324fi 325