[coreboot] New patch to review: 2e32ef1 Add Python scripting to GDB.
Marc Jones (marcj303@gmail.com)
gerrit at coreboot.org
Tue Aug 16 01:04:25 CEST 2011
Marc Jones (marcj303 at gmail.com) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/153
-gerrit
commit 2e32ef156a8efa6886315c1803ce9d3186c7390c
Author: Marc Jones <marcj303 at gmail.com>
Date: Mon Aug 15 15:37:11 2011 -0600
Add Python scripting to GDB.
This allows GDB to run Python scripts. The Python build is dependant on the GDB build flag.
Change-Id: Ie7fc8706deec41c804870415d3c79d225c98cd31
Signed-off-by: Marc Jones <marcj303 at gmail.com>
---
util/crossgcc/buildgcc | 78 +++++++++++++++++++++---
util/crossgcc/patches/gdb-7.2_pythonhome.patch | 27 ++++++++
2 files changed, 95 insertions(+), 10 deletions(-)
diff --git a/util/crossgcc/buildgcc b/util/crossgcc/buildgcc
index e58b23e..3a14e98 100755
--- a/util/crossgcc/buildgcc
+++ b/util/crossgcc/buildgcc
@@ -40,6 +40,8 @@ W32API_VERSION=3.17-2
W32API_VERSION_SHORT=3.17
MINGWRT_VERSION=3.18
IASL_VERSION=20110623
+PYTHON_VERSION=2.7
+EXPAT_VERSION=2.0.1
# archive locations
GMP_ARCHIVE="ftp://ftp.gmplib.org/pub/gmp-${GMP_VERSION}/gmp-${GMP_VERSION}.tar.bz2"
@@ -52,6 +54,8 @@ GDB_ARCHIVE="http://ftp.gnu.org/gnu/gdb/gdb-${GDB_VERSION}.tar.bz2"
W32API_ARCHIVE="http://downloads.sourceforge.net/project/mingw/MinGW/BaseSystem/RuntimeLibrary/Win32-API/w32api-${W32API_VERSION_SHORT}/w32api-${W32API_VERSION}-mingw32-src.tar.lzma"
MINGWRT_ARCHIVE="http://downloads.sourceforge.net/project/mingw/MinGW/BaseSystem/RuntimeLibrary/MinGW-RT/mingwrt-${MINGWRT_VERSION}/mingwrt-${MINGWRT_VERSION}-mingw32-src.tar.gz"
IASL_ARCHIVE="http://www.acpica.org/download/acpica-unix-${IASL_VERSION}.tar.gz"
+PYTHON_ARCHIVE="http://www.python.org/ftp/python/${PYTHON_VERSION}/Python-${PYTHON_VERSION}.tar.bz2"
+EXPAT_ARCHIVE="http://downloads.sourceforge.net/sourceforge/expat/expat-${EXPAT_VERSION}.tar.gz"
GMP_DIR="gmp-${GMP_VERSION}"
MPFR_DIR="mpfr-${MPFR_VERSION}"
@@ -63,6 +67,8 @@ GDB_DIR="gdb-${GDB_VERSION}"
W32API_DIR="w32api-${W32API_VERSION}-mingw32"
MINGWRT_DIR="mingwrt-${MINGWRT_VERSION}-mingw32"
IASL_DIR="acpica-unix-${IASL_VERSION}"
+PYTHON_DIR="Python-${PYTHON_VERSION}"
+EXPAT_DIR="expat-${EXPAT_VERSION}"
SAVETEMPS=0
SKIPGDB=0
@@ -101,7 +107,7 @@ MAKE=`searchgnu make` || exit $?
cleanup()
{
printf "Cleaning up temporary files... "
- rm -rf build-* combined gcc-* gmp-* mpfr-* mpc-* libelf-* binutils-* gdb-* w32api-* mingwrt-* acpica-*
+ rm -rf build-* combined gcc-* gmp-* mpfr-* mpc-* libelf-* binutils-* gdb-* w32api-* mingwrt-* acpica-* python-* expat-*
printf "${green}ok${NC}\n"
}
@@ -187,9 +193,13 @@ while true ; do
done
GDB_PACKAGE="GDB"
+PYTHON_PACKAGE="PYTHON"
+EXPAT_PACKAGE="EXPAT"
if [ $SKIPGDB -eq 1 ]; then
printf "Will skip GDB ... ${green}ok${NC}\n"
GDB_PACKAGE=""
+ PYTHON_PACKAGE=""
+ EXPAT_PACKAGE=""
fi
MINGW_ARCHIVES=""
@@ -223,7 +233,7 @@ fi
printf "Downloading tar balls ... \n"
mkdir -p tarballs
-for ARCHIVE in $GMP_ARCHIVE $MPFR_ARCHIVE $MPC_ARCHIVE $LIBELF_ARCHIVE $GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_ARCHIVE $MINGW_ARCHIVES $IASL_ARCHIVE; do
+for ARCHIVE in $GMP_ARCHIVE $MPFR_ARCHIVE $MPC_ARCHIVE $LIBELF_ARCHIVE $GCC_ARCHIVE $BINUTILS_ARCHIVE $GDB_ARCHIVE $MINGW_ARCHIVES $IASL_ARCHIVE $PYTHON_ARCHIVE $EXPAT_ARCHIVE; do
FILE=`basename $ARCHIVE`
printf " * $FILE "
test -f tarballs/$FILE && printf "(cached)" || (
@@ -244,7 +254,7 @@ if [ "$TARGETARCH" = "i386-mingw32" ]; then
fi
printf "Unpacking and patching ... \n"
-for PACKAGE in GMP MPFR MPC LIBELF GCC BINUTILS $GDB_PACKAGE $MINGW_PACKAGES IASL; do
+for PACKAGE in GMP MPFR MPC LIBELF GCC BINUTILS $PYTHON_PACKAGE $EXPAT_PACKAGE $GDB_PACKAGE $MINGW_PACKAGES IASL; do
archive=$PACKAGE"_ARCHIVE"
archive=${!archive}
dir=$PACKAGE"_DIR"
@@ -258,7 +268,7 @@ for PACKAGE in GMP MPFR MPC LIBELF GCC BINUTILS $GDB_PACKAGE $MINGW_PACKAGES IAS
for patch in patches/${!dir}_*.patch; do
test -r $patch || continue
printf " o `basename $patch`\n"
- $PATCH -s -N -p0 < `echo $patch`
+ $PATCH -s -N -p0 < `echo $patch` || printf "\n${RED}Failed $patch.${red}\n"
done
)
done
@@ -292,7 +302,7 @@ if [ `uname` = "Darwin" ]; then
#rm .architecture_check.c .architecture_check.o
fi
-mkdir -p build-gmp build-mpfr build-mpc build-libelf build-binutils build-gcc
+mkdir -p build-gmp build-mpfr build-mpc build-libelf build-binutils build-gcc build-python build-expat
if [ $SKIPGDB -eq 0 ]; then
mkdir -p build-gdb
fi
@@ -346,6 +356,10 @@ test -r build-mpfr/.failed && printf "${RED}failed${NC}\n" || printf "${green}ok
test -r build-mpfr/.failed && exit 1
fi
+# Remove -pedantic. It is used by GMP and MPFR, but causes warning and
+# errors for C98/C99 stuff in GCC, GDB, and etc.
+HOSTCFLAGS=$(echo $HOSTCFLAGS | sed -e 's/-pedantic//')
+
if [ -f build-mpc/.success ]; then
printf "Skipping MPC as it is already built\n"
else
@@ -433,6 +447,47 @@ test -r build-gcc/.failed && printf "${RED}failed${NC}\n" || printf "${green}ok$
test -r build-gcc/.failed && exit 1
fi
+if [ -f build-expat/.success ]; then
+ printf "Skipping EXPAT as it is already built\n"
+elif [ $SKIPGDB -eq 1 ]; then
+ printf "Skipping EXPAT as requested by command line (skip GDB)\n"
+else
+printf "Building EXPAT ${EXPAT_VERSION} ... "
+(
+ cd build-expat
+ export PATH=$PATH:$DESTDIR$TARGETDIR/bin
+ rm -f .failed
+ CFLAGS="$HOSTCFLAGS" ../${EXPAT_DIR}/configure --disable-shared \
+ --prefix=$TARGETDIR --target=${TARGETARCH} || touch .failed
+ $MAKE || touch .failed
+ $MAKE install DESTDIR=$DESTDIR || touch .failed
+ if [ ! -f .failed ]; then touch .success; fi
+) &> build-expat/crossgcc-build.log
+test -r build-expat/.failed && printf "${RED}failed${NC}\n" || printf "${green}ok${NC}\n"
+test -r build-expat/.failed && exit 1
+fi
+
+
+if [ -f build-python/.success ]; then
+ printf "Skipping PYTHON as it is already built\n"
+elif [ $SKIPGDB -eq 1 ]; then
+ printf "Skipping PYTHON as requested by command line (skip GDB)\n"
+else
+printf "Building PYTHON ${PYTHON_VERSION} ... "
+(
+ cd build-python
+ export PATH=$PATH:$DESTDIR$TARGETDIR/bin
+ rm -f .failed
+ CFLAGS="$HOSTCFLAGS" ../${PYTHON_DIR}/configure --prefix=$TARGETDIR \
+ --target=${TARGETARCH} || touch .failed
+ $MAKE $JOBS || touch .failed
+ $MAKE install DESTDIR=$DESTDIR || touch .failed
+ if [ ! -f .failed ]; then touch .success; fi
+) &> build-gdb/crossgcc-build.log
+test -r build-python/.failed && printf "${RED}failed${NC}\n" || printf "${green}ok${NC}\n"
+test -r build-python/.failed && exit 1
+fi
+
if [ -f build-gdb/.success ]; then
printf "Skipping GDB as it is already built\n"
elif [ $SKIPGDB -eq 1 ]; then
@@ -441,10 +496,13 @@ else
printf "Building GDB ${GDB_VERSION} ... "
(
cd build-gdb
- export PATH=$PATH:$DESTDIR$TARGETDIR/bin
+ export PATH=$DESTDIR$TARGETDIR/bin:$PATH
+ export PYTHONHOME=$DESTDIR$TARGETDIR
rm -f .failed
- CFLAGS="$HOSTCFLAGS" ../gdb-${GDB_VERSION}/configure --prefix=$TARGETDIR --target=${TARGETARCH} \
- --without-python --disable-werror --disable-nls
+ LDFLAGS="-Wl,-rpath,\$\$ORIGIN/../lib/ -L$DESTDIR$TARGETDIR/lib -lpthread -ldl -lutil"\
+ CFLAGS="$HOSTCFLAGS -I$DESTDIR$TARGETDIR/include" ../gdb-${GDB_VERSION}/configure \
+ --prefix=$TARGETDIR --target=${TARGETARCH} \
+ --disable-werror --disable-nls
$MAKE $JOBS || touch .failed
$MAKE install DESTDIR=$DESTDIR || touch .failed
if [ ! -f .failed ]; then touch .success; fi
@@ -480,6 +538,8 @@ if [ $SAVETEMPS -eq 0 ]; then
rm -rf ${BINUTILS_DIR} build-binutils
rm -rf ${GCC_DIR} build-gcc
rm -rf ${GDB_DIR} build-gdb
+ rm -rf ${EXPAT_DIR} build-expat
+ rm -rf ${PYTHON_DIR} build-python
rm -rf ${IASL_DIR}
printf "${green}ok${NC}\n"
else
@@ -487,5 +547,3 @@ else
fi
printf "\n${green}You can now run your $TARGETARCH cross toolchain from $TARGETDIR.${NC}\n"
-
-
diff --git a/util/crossgcc/patches/gdb-7.2_pythonhome.patch b/util/crossgcc/patches/gdb-7.2_pythonhome.patch
new file mode 100644
index 0000000..26be271
--- /dev/null
+++ b/util/crossgcc/patches/gdb-7.2_pythonhome.patch
@@ -0,0 +1,27 @@
+--- /tmp/gdb-7.2/gdb/python/python.c 2010-08-09 21:22:59.000000000 +0200
++++ gdb-7.2/gdb/python/python.c 2010-10-28 15:31:35.000000000 +0200
+@@ -28,6 +28,7 @@
+ #include "value.h"
+ #include "language.h"
+ #include "exceptions.h"
++#include <libgen.h>
+
+ #include <ctype.h>
+
+@@ -684,6 +685,16 @@
+ SLASH_STRING, "python", NULL));
+ #endif
+
++
++ char readlinkbuffer[BUFSIZ];
++ int readlinks = readlink("/proc/self/exe", readlinkbuffer, BUFSIZ - 1);
++ readlinkbuffer[readlinks] = 0;
++ char *executeablepath = dirname(readlinkbuffer);
++ char *pythonhome = malloc(strlen(executeablepath) + strlen("/../") + 2);
++ strcpy(pythonhome, executeablepath);
++ strcat(pythonhome, "/../");
++ setenv("PYTHONHOME", pythonhome, 1);
++
+ Py_Initialize ();
+ PyEval_InitThreads ();
+
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