1 #!/bin/sh 2 3 set -e 4 5 #--------------------------------------------------------------------- 6 # This quick and dirty script assists in updating the C++ demangler 7 # machinery in coregrind/m_demangle. 8 # The script will check out 9 # - old and new revisions of the C++ demangler related files from GCC's trunk 10 # - m_demangle from valgrind's trunk. 11 # It will assemble 12 # - a patch file with local changes that were applied to the C++ 13 # demangler to make it work within valgrind 14 # - a directory new_m_demangle whose contents should be copied to 15 # m_demangle in valgrind trunk 16 # The patch will *not* be applied automatically. 17 #--------------------------------------------------------------------- 18 19 # You need to modify these revision numbers for your update. 20 old_gcc_revision=r181975 # the revision of the previous update 21 new_gcc_revision=r212125 # the revision for this update 22 23 # Unless the organization of demangler related files has changed, no 24 # changes below this line should be necessary. 25 26 # Setup a temp directory 27 DIR=/tmp/demangle 28 29 rm -rf $DIR 30 mkdir -p $DIR 31 32 cd $DIR 33 34 echo "Updating the demangler in $DIR" 35 36 # 1) Check out files from old GCC revision 37 echo "Checking out GCC files @ $old_gcc_revision" 38 39 mkdir gcc-$old_gcc_revision 40 cd gcc-$old_gcc_revision 41 svn co -$old_gcc_revision svn://gcc.gnu.org/svn/gcc/trunk/libiberty libiberty > /dev/null 42 svn co -$old_gcc_revision svn://gcc.gnu.org/svn/gcc/trunk/include include > /dev/null 43 rm -rf libiberty/.svn 44 rm -rf include/.svn 45 cd .. 46 47 # 2) Assemble the ones we need in $DIR/$old_gcc_revision 48 mkdir $old_gcc_revision 49 cd $old_gcc_revision 50 cp ../gcc-$old_gcc_revision/include/ansidecl.h . 51 cp ../gcc-$old_gcc_revision/include/demangle.h . 52 cp ../gcc-$old_gcc_revision/include/dyn-string.h . 53 cp ../gcc-$old_gcc_revision/include/safe-ctype.h . 54 cp ../gcc-$old_gcc_revision/libiberty/cp-demangle.c . 55 cp ../gcc-$old_gcc_revision/libiberty/cp-demangle.h . 56 cp ../gcc-$old_gcc_revision/libiberty/cplus-dem.c . 57 cp ../gcc-$old_gcc_revision/libiberty/dyn-string.c . 58 cp ../gcc-$old_gcc_revision/libiberty/safe-ctype.c . 59 cd .. 60 61 # 3) Check out files from new GCC revision 62 63 echo "Checking out GCC files @ $new_gcc_revision" 64 mkdir gcc-$new_gcc_revision 65 cd gcc-$new_gcc_revision 66 svn co -$new_gcc_revision svn://gcc.gnu.org/svn/gcc/trunk/libiberty libiberty > /dev/null 67 svn co -$new_gcc_revision svn://gcc.gnu.org/svn/gcc/trunk/include include > /dev/null 68 rm -rf libiberty/.svn 69 rm -rf include/.svn 70 cd .. 71 72 # 4) Assemble the ones we need in $DIR/$new_gcc_revision 73 74 mkdir $new_gcc_revision 75 cd $new_gcc_revision 76 cp ../gcc-$new_gcc_revision/include/ansidecl.h . 77 cp ../gcc-$new_gcc_revision/include/demangle.h . 78 cp ../gcc-$new_gcc_revision/include/dyn-string.h . 79 cp ../gcc-$new_gcc_revision/include/safe-ctype.h . 80 cp ../gcc-$new_gcc_revision/libiberty/cp-demangle.c . 81 cp ../gcc-$new_gcc_revision/libiberty/cp-demangle.h . 82 cp ../gcc-$new_gcc_revision/libiberty/cplus-dem.c . 83 cp ../gcc-$new_gcc_revision/libiberty/dyn-string.c . 84 cp ../gcc-$new_gcc_revision/libiberty/safe-ctype.c . 85 cd .. 86 87 # 5) Check out valgrind coregrind/m_demangle into old_m_demangle 88 echo "Checking out coregrind/m_demangle" 89 svn co svn://svn.valgrind.org/valgrind/trunk/coregrind/m_demangle old_m_demangle > /dev/null 90 rm -rf old_m_demangle/.svn 91 92 # 6) Create new_m_demangle 93 cp -rp old_m_demangle new_m_demangle 94 cp -rp $new_gcc_revision/*.[ch] new_m_demangle 95 96 # 7) Compare files from previous GCC revision against old_m_demangle 97 # (This gets us the changes we made to the demangler). 98 echo "Creating patch" 99 set +e 100 diff -r -u $old_gcc_revision old_m_demangle > our-changes 101 echo "Patch file 'our-changes' created" 102 103 # 7) See how the patch would apply 104 echo "Attempting to apply the patch (but not actualy doing it)." 105 cd new_m_demangle 106 patch --dry -p1 < ../our-changes 107
