scripts/build/debug/300-gdb.sh
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Oct 08 22:57:21 2011 +0200 (2011-10-08)
changeset 2703 bd2529ef6665
parent 2617 41bd6777fa4f
child 2751 bd17cca444ae
permissions -rw-r--r--
debug/gdb: new option to enable/disable use of python

Add a new option to enable/disable the Python scripting in gdb.
Hide the option (ie. disable it) when statically linking the cross-gdb.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 # Build script for the gdb debug facility
     2 
     3 # The version of ncurses to use. Yes, it's hard-coded.
     4 # It's used only internally by crosstool-NG, and is
     5 # not exposed outside, so we don't care about providing
     6 # config options for this.
     7 CT_DEBUG_GDB_NCURSES_VERSION="5.9"
     8 
     9 # Ditto for the expat library
    10 CT_DEBUG_GDB_EXPAT_VERSION="2.0.1"
    11 
    12 do_debug_gdb_parts() {
    13     do_gdb=
    14     do_ncurses=
    15     do_expat=
    16 
    17     if [ "${CT_GDB_CROSS}" = y ]; then
    18         do_gdb=y
    19     fi
    20 
    21     if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
    22         do_gdb=y
    23     fi
    24 
    25     if [ "${CT_GDB_NATIVE}" = "y" ]; then
    26         do_gdb=y
    27         # GDB on Mingw depends on PDcurses, not ncurses
    28         if [ "${CT_MINGW32}" != "y" ]; then
    29             do_ncurses=y
    30         fi
    31         do_expat=y
    32     fi
    33 }
    34 
    35 do_debug_gdb_get() {
    36     local linaro_version
    37     local linaro_series
    38     local linaro_base_url="http://launchpad.net/gdb-linaro"
    39 
    40     # Account for the Linaro versioning
    41     linaro_version="$( echo "${CT_GDB_VERSION}"      \
    42                        |sed -r -e 's/^linaro-//;'   \
    43                      )"
    44     linaro_series="$( echo "${linaro_version}"      \
    45                       |sed -r -e 's/-.*//;'         \
    46                     )"
    47 
    48     do_debug_gdb_parts
    49 
    50     if [ "${do_gdb}" = "y" ]; then
    51         CT_GetFile "gdb-${CT_GDB_VERSION}"                          \
    52                    {ftp,http}://ftp.gnu.org/pub/gnu/gdb             \
    53                    ftp://sources.redhat.com/pub/gdb/{,old-}releases \
    54                    "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
    55     fi
    56 
    57     if [ "${do_ncurses}" = "y" ]; then
    58         CT_GetFile "ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}" .tar.gz  \
    59                    {ftp,http}://ftp.gnu.org/pub/gnu/ncurses \
    60                    ftp://invisible-island.net/ncurses
    61     fi
    62 
    63     if [ "${do_expat}" = "y" ]; then
    64         CT_GetFile "expat-${CT_DEBUG_GDB_EXPAT_VERSION}" .tar.gz    \
    65                    http://mesh.dl.sourceforge.net/sourceforge/expat/expat/${CT_DEBUG_GDB_EXPAT_VERSION}
    66     fi
    67 }
    68 
    69 do_debug_gdb_extract() {
    70     do_debug_gdb_parts
    71 
    72     if [ "${do_gdb}" = "y" ]; then
    73         CT_Extract "gdb-${CT_GDB_VERSION}"
    74         CT_Patch "gdb" "${CT_GDB_VERSION}"
    75     fi
    76 
    77     if [ "${do_ncurses}" = "y" ]; then
    78         CT_Extract "ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}"
    79         CT_DoExecLog ALL chmod -R u+w "${CT_SRC_DIR}/ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}"
    80         CT_Patch "ncurses" "${CT_DEBUG_GDB_NCURSES_VERSION}"
    81     fi
    82 
    83     if [ "${do_expat}" = "y" ]; then
    84         CT_Extract "expat-${CT_DEBUG_GDB_EXPAT_VERSION}"
    85         CT_Patch "expat" "${CT_DEBUG_GDB_EXPAT_VERSION}"
    86     fi
    87 }
    88 
    89 do_debug_gdb_build() {
    90     local -a extra_config
    91 
    92     do_debug_gdb_parts
    93 
    94     gdb_src_dir="${CT_SRC_DIR}/gdb-${CT_GDB_VERSION}"
    95 
    96     # Version 6.3 and below behave badly with gdbmi
    97     case "${CT_GDB_VERSION}" in
    98         6.2*|6.3)   extra_config+=("--disable-gdbmi");;
    99     esac
   100 
   101     if [ "${CT_GDB_HAS_PKGVERSION_BUGURL}" = "y" ]; then
   102         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
   103         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
   104     fi
   105 
   106     if [ "${CT_GDB_CROSS}" = "y" ]; then
   107         local -a cross_extra_config
   108         local gcc_version
   109 
   110         CT_DoStep INFO "Installing cross-gdb"
   111         CT_DoLog EXTRA "Configuring cross-gdb"
   112 
   113         mkdir -p "${CT_BUILD_DIR}/build-gdb-cross"
   114         cd "${CT_BUILD_DIR}/build-gdb-cross"
   115 
   116         cross_extra_config=("${extra_config[@]}")
   117         case "${CT_THREADS}" in
   118             none)   cross_extra_config+=("--disable-threads");;
   119             *)      cross_extra_config+=("--enable-threads");;
   120         esac
   121         if [ "${CT_GDB_CROSS_PYTHON}" = "y" ]; then
   122             cross_extra_config+=( "--with-python=yes" )
   123         else
   124             cross_extra_config+=( "--with-python=no" )
   125         fi
   126 
   127         CC_for_gdb=
   128         LD_for_gdb=
   129         if [ "${CT_GDB_CROSS_STATIC}" = "y" ]; then
   130             CC_for_gdb="gcc -static"
   131             LD_for_gdb="ld -static"
   132         fi
   133 
   134         gdb_cross_configure="${gdb_src_dir}/configure"
   135 
   136         CT_DoLog DEBUG "Extra config passed: '${cross_extra_config[*]}'"
   137 
   138         CT_DoExecLog CFG                                \
   139         CC="${CC_for_gdb}"                              \
   140         LD="${LD_for_gdb}"                              \
   141         "${gdb_cross_configure}"                        \
   142             --build=${CT_BUILD}                         \
   143             --host=${CT_HOST}                           \
   144             --target=${CT_TARGET}                       \
   145             --prefix="${CT_PREFIX_DIR}"                 \
   146             --with-build-sysroot="${CT_SYSROOT_DIR}"    \
   147             --with-sysroot="${CT_SYSROOT_DIR}"          \
   148             --with-expat=yes                            \
   149             --disable-werror                            \
   150             "${cross_extra_config[@]}"
   151 
   152         CT_DoLog EXTRA "Building cross-gdb"
   153         CT_DoExecLog ALL make ${JOBSFLAGS}
   154 
   155         CT_DoLog EXTRA "Installing cross-gdb"
   156         CT_DoExecLog ALL make install
   157 
   158         if [ "${CT_GDB_INSTALL_GDBINIT}" = "y" ]; then
   159             CT_DoLog EXTRA "Install '.gdbinit' template"
   160             # See in scripts/build/internals.sh for why we do this
   161             if [ -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
   162                 gcc_version=$( cat "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" )
   163             else
   164                 gcc_version=$( sed -r -e '/version_string/!d; s/^.+= "([^"]+)".*$/\1/;' \
   165                                    "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/version.c"   \
   166                              )
   167             fi
   168             ${sed} -r                                               \
   169                    -e "s:@@PREFIX@@:${CT_PREFIX_DIR}:;"             \
   170                    -e "s:@@VERSION@@:${gcc_version}:;"              \
   171                    "${CT_LIB_DIR}/scripts/build/debug/gdbinit.in"   \
   172                    >"${CT_PREFIX_DIR}/share/gdb/gdbinit"
   173         fi # Install gdbinit sample
   174 
   175         CT_EndStep
   176     fi
   177 
   178     if [ "${CT_GDB_NATIVE}" = "y" ]; then
   179         local -a native_extra_config
   180         local -a ncurses_opt
   181         local -a gdb_native_CFLAGS
   182 
   183         CT_DoStep INFO "Installing native gdb"
   184 
   185         native_extra_config=("${extra_config[@]}")
   186 
   187         # GDB on Mingw depends on PDcurses, not ncurses
   188         if [ "${do_ncurses}" = "y" ]; then
   189             CT_DoLog EXTRA "Building static target ncurses"
   190 
   191             [ "${CT_CC_LANG_CXX}" = "y" ] || ncurses_opts+=("--without-cxx" "--without-cxx-binding")
   192             [ "${CT_CC_LANG_ADA}" = "y" ] || ncurses_opts+=("--without-ada")
   193 
   194             mkdir -p "${CT_BUILD_DIR}/build-ncurses-build-tic"
   195             cd "${CT_BUILD_DIR}/build-ncurses-build-tic"
   196 
   197             # Use build = CT_REAL_BUILD so that configure thinks it is
   198             # cross-compiling, and thus will use the ${CT_BUILD}-*
   199             # tools instead of searching for the native ones...
   200             CT_DoExecLog CFG                                                    \
   201             "${CT_SRC_DIR}/ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}/configure"   \
   202                 --build=${CT_BUILD}                                             \
   203                 --host=${CT_BUILD}                                              \
   204                 --prefix=/usr                                                   \
   205                 --enable-symlinks                                               \
   206                 --with-build-cc=${CT_REAL_BUILD}-gcc                            \
   207                 --with-build-cpp=${CT_REAL_BUILD}-gcc                           \
   208                 --with-build-cflags="${CT_CFLAGS_FOR_HOST}"                     \
   209                 "${ncurses_opts[@]}"
   210 
   211             # ncurses insists on linking tic statically. It does not work
   212             # on some OSes (eg. MacOS-X/Darwin/whatever-you-call-it).
   213             CT_DoExecLog DEBUG sed -r -i -e 's/-static//g;' "progs/Makefile"
   214 
   215             # Under some operating systems (eg. Winblows), there is an
   216             # extension appended to executables. Find that.
   217             tic_ext=$(grep -E '^x[[:space:]]*=' progs/Makefile |sed -r -e 's/^.*=[[:space:]]*//;')
   218 
   219             CT_DoExecLog ALL make ${JOBSFLAGS} -C include
   220             CT_DoExecLog ALL make ${JOBSFLAGS} -C progs "tic${tic_ext}"
   221 
   222             CT_DoExecLog ALL install -d -m 0755 "${CT_PREFIX_DIR}/buildtools"
   223             CT_DoExecLog ALL install -m 0755 "progs/tic${tic_ext}" "${CT_PREFIX_DIR}/buildtools"
   224 
   225             mkdir -p "${CT_BUILD_DIR}/build-ncurses"
   226             cd "${CT_BUILD_DIR}/build-ncurses"
   227 
   228             CT_DoExecLog CFG                                                    \
   229             "${CT_SRC_DIR}/ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}/configure"   \
   230                 --build=${CT_BUILD}                                             \
   231                 --host=${CT_TARGET}                                             \
   232                 --with-build-cc=${CT_BUILD}-gcc                                 \
   233                 --with-build-cpp=${CT_BUILD}-gcc                                \
   234                 --with-build-cflags="${CT_CFLAGS_FOR_HOST}"                     \
   235                 --prefix="${CT_BUILD_DIR}/static-target"                        \
   236                 --without-shared                                                \
   237                 --without-sysmouse                                              \
   238                 --without-progs                                                 \
   239                 --enable-termcap                                                \
   240                 "${ncurses_opts[@]}"
   241 
   242             CT_DoExecLog ALL make ${JOBSFLAGS}
   243 
   244             CT_DoExecLog ALL make install
   245 
   246             # We no longer need the temporary tic. Remove it
   247             CT_DoExecLog DEBUG rm -fv "${CT_PREFIX_DIR}/buildtools/tic${tic_ext}"
   248 
   249             native_extra_config+=("--with-curses")
   250             # There's no better way to tell gdb where to find -lcurses... :-(
   251             gdb_native_CFLAGS+=("-I${CT_BUILD_DIR}/static-target/include")
   252             gdb_native_CFLAGS+=("-L${CT_BUILD_DIR}/static-target/lib")
   253         fi # do_ncurses
   254 
   255         if [ "${do_expat}" = "y" ]; then
   256             CT_DoLog EXTRA "Building static target expat"
   257 
   258             mkdir -p "${CT_BUILD_DIR}/expat-build"
   259             cd "${CT_BUILD_DIR}/expat-build"
   260 
   261             CT_DoExecLog CFG                                                \
   262             "${CT_SRC_DIR}/expat-${CT_DEBUG_GDB_EXPAT_VERSION}/configure"   \
   263                 --build=${CT_BUILD}                                         \
   264                 --host=${CT_TARGET}                                         \
   265                 --prefix="${CT_BUILD_DIR}/static-target"                    \
   266                 --enable-static                                             \
   267                 --disable-shared
   268 
   269             CT_DoExecLog ALL make ${JOBSFLAGS}
   270             CT_DoExecLog ALL make install
   271 
   272             native_extra_config+=("--with-expat")
   273             native_extra_config+=("--with-libexpat-prefix=${CT_BUILD_DIR}/static-target")
   274         fi # do_expat
   275 
   276         CT_DoLog EXTRA "Configuring native gdb"
   277 
   278         mkdir -p "${CT_BUILD_DIR}/build-gdb-native"
   279         cd "${CT_BUILD_DIR}/build-gdb-native"
   280 
   281         case "${CT_THREADS}" in
   282             none)   native_extra_config+=("--disable-threads");;
   283             *)      native_extra_config+=("--enable-threads");;
   284         esac
   285 
   286         if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
   287             CC_for_gdb="${CT_TARGET}-gcc -static"
   288             LD_for_gdb="${CT_TARGET}-ld -static"
   289         else
   290             CC_for_gdb="${CT_TARGET}-gcc"
   291             LD_for_gdb="${CT_TARGET}-ld"
   292         fi
   293 
   294         export ac_cv_func_strncmp_works=yes
   295 
   296         CT_DoLog DEBUG "Extra config passed: '${native_extra_config[*]}'"
   297 
   298         CT_DoExecLog CFG                                \
   299         CC="${CC_for_gdb}"                              \
   300         LD="${LD_for_gdb}"                              \
   301         CFLAGS="${gdb_native_CFLAGS[*]}"                \
   302         "${gdb_src_dir}/configure"                      \
   303             --build=${CT_BUILD}                         \
   304             --host=${CT_TARGET}                         \
   305             --target=${CT_TARGET}                       \
   306             --prefix=/usr                               \
   307             --with-build-sysroot="${CT_SYSROOT_DIR}"    \
   308             --without-uiout                             \
   309             --disable-tui                               \
   310             --disable-gdbtk                             \
   311             --without-x                                 \
   312             --disable-sim                               \
   313             --disable-werror                            \
   314             --without-included-gettext                  \
   315             --without-develop                           \
   316             "${native_extra_config[@]}"
   317 
   318         CT_DoLog EXTRA "Building native gdb"
   319         CT_DoExecLog ALL make ${JOBSFLAGS} CC=${CT_TARGET}-${CT_CC}
   320 
   321         CT_DoLog EXTRA "Installing native gdb"
   322         CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
   323 
   324         # Building a native gdb also builds a gdbserver
   325         find "${CT_DEBUGROOT_DIR}" -type f -name gdbserver -exec rm -fv {} \; 2>&1 |CT_DoLog ALL
   326 
   327         unset ac_cv_func_strncmp_works
   328 
   329         # GDB on Mingw depends on PDcurses, not ncurses
   330         if [ "${CT_MINGW32}" != "y" ]; then
   331             CT_DoLog EXTRA "Cleaning up ncurses"
   332             cd "${CT_BUILD_DIR}/build-ncurses"
   333             CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" uninstall
   334 
   335             CT_DoExecLog DEBUG rm -rf "${CT_BUILD_DIR}/ncurses"
   336         fi
   337 
   338         CT_EndStep # native gdb build
   339     fi
   340 
   341     if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
   342         local -a gdbserver_extra_config
   343 
   344         CT_DoStep INFO "Installing gdbserver"
   345         CT_DoLog EXTRA "Configuring gdbserver"
   346 
   347         mkdir -p "${CT_BUILD_DIR}/build-gdb-gdbserver"
   348         cd "${CT_BUILD_DIR}/build-gdb-gdbserver"
   349 
   350         # Workaround for bad versions, where the configure
   351         # script for gdbserver is not executable...
   352         # Bah, GNU folks strike again... :-(
   353         chmod +x "${gdb_src_dir}/gdb/gdbserver/configure"
   354 
   355         gdbserver_LDFLAGS=
   356         if [ "${CT_GDB_GDBSERVER_STATIC}" = "y" ]; then
   357             gdbserver_LDFLAGS=-static
   358         fi
   359 
   360         gdbserver_extra_config=("${extra_config[@]}")
   361 
   362         CT_DoExecLog CFG                                \
   363         LDFLAGS="${gdbserver_LDFLAGS}"                  \
   364         "${gdb_src_dir}/gdb/gdbserver/configure"        \
   365             --build=${CT_BUILD}                         \
   366             --host=${CT_TARGET}                         \
   367             --target=${CT_TARGET}                       \
   368             --prefix=/usr                               \
   369             --sysconfdir=/etc                           \
   370             --localstatedir=/var                        \
   371             --includedir="${CT_HEADERS_DIR}"            \
   372             --with-build-sysroot="${CT_SYSROOT_DIR}"    \
   373             --program-prefix=                           \
   374             --without-uiout                             \
   375             --disable-tui                               \
   376             --disable-gdbtk                             \
   377             --without-x                                 \
   378             --without-included-gettext                  \
   379             --without-develop                           \
   380             --disable-werror                            \
   381             "${gdbserver_extra_config[@]}"
   382 
   383         CT_DoLog EXTRA "Building gdbserver"
   384         CT_DoExecLog ALL make ${JOBSFLAGS} CC=${CT_TARGET}-${CT_CC}
   385 
   386         CT_DoLog EXTRA "Installing gdbserver"
   387         CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
   388 
   389         CT_EndStep
   390     fi
   391 }