diff options
| -rw-r--r-- | ChangeLog | 2 | ||||
| -rw-r--r-- | Makefile | 1 | ||||
| -rwxr-xr-x | extract-dynsym | 23 |
3 files changed, 26 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 1609c71eed..5e459d07bd 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,7 @@ Wed May 8 20:04:29 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu> + * extract-dynsym: New file. + * Makefile (distribute): Add it. * Rules (subdir_install): Depend on $(common-objpfx)sor-$(subdir). [! libc.so-version]: Clear static-only-routines. ($(common-objpfx)sor-$(subdir)): New target. diff --git a/Makefile b/Makefile index 8c514f349f..b9d0c9bc64 100644 --- a/Makefile +++ b/Makefile @@ -225,6 +225,7 @@ distribute := README INSTALL NOTES COPYING.LIB COPYING NEWS \ Makefile Makeconfig Makerules Rules Make-dist MakeTAGS \ extra-lib.mk o-iterator.mk \ ansidecl.h mkinstalldirs move-if-change install-sh \ + extract-dynsym \ configure configure.in aclocal.m4 config.sub config.guess\ config.make.in config-name.in Makefile.in \ munch-tmpl.c munch.awk sysdep.h set-hooks.h libc-symbols.h diff --git a/extract-dynsym b/extract-dynsym new file mode 100755 index 0000000000..421dbd6fd0 --- /dev/null +++ b/extract-dynsym @@ -0,0 +1,23 @@ +#!/bin/sh + +# Extract from an ELF shared object file just the dynamic symbols necessary +# to link against it and the (GNU extension) warning sections that linking +# against it may use to produce warning messages. + +infile=$1 +outfile=$2 + +# Handle both objdump -h output formats. +osechdr='^SECTION [0-9]+ \[' +nsechdr='^ +[0-9]+ ' + +$OBJCOPY -S `$OBJDUMP -h $infile | $AWK " +/($osechdr|$nsechdr)"'\.(hash|dyn[a-z]+|gnu\.warning[a-zA-Z_.]*) / { next; } +/'"$osechdr"'/ { printf "--remove-section=%s ", $3 } +/'"$nsechdr"'/ { printf "--remove-section=%s ", $2 } +' | +# The old format puts brackets around section names. The new format fails +# to delimit long section names from the following hex digits. +sed -e 's/[][]//g' -e 's/0[0-9a-f]* / /g'` $infile $outfile.new + +mv -f $outfile.new $outfile |