Add a gas configure option to select the default behaviour for the generation of debug sections - compressed or uncompressed.
PR gas/19109 * configure.ac: Add option --enable-compressed-debug-sections. This sets the default behaviour for compressing debug sections. * as.c (flag_compress_debug): Define and initialise to COMPRESS_DEBUG_GABI_ZLIB if DEFAULT_COMPRESS_DEBUG is set. (show_usage): Indicate whether --no-compress-debug-sections or --compress-debug-sections is the default. * config/tc-i386.c (flag_compress_debug): Delete definition. * doc/as.texinfo (--nocompress-debug-sectionas): Update description. * NEWS: Announce the new feature. * config.in: Regenerate. * configure: Regenerate.
This commit is contained in:
Nick Clifton
parent
65808c9664
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e12fe5554c
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@ -1,3 +1,19 @@
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2015-10-19 Nick Clifton <nickc@redhat.com>
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PR gas/19109
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* configure.ac: Add option --enable-compressed-debug-sections.
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This sets the default behaviour for compressing debug sections.
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* as.c (flag_compress_debug): Define and initialise to
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COMPRESS_DEBUG_GABI_ZLIB if DEFAULT_COMPRESS_DEBUG is set.
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(show_usage): Indicate whether --no-compress-debug-sections
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or --compress-debug-sections is the default.
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* config/tc-i386.c (flag_compress_debug): Delete definition.
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* doc/as.texinfo (--nocompress-debug-sectionas): Update
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description.
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* NEWS: Announce the new feature.
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* config.in: Regenerate.
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* configure: Regenerate.
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2015-10-12 Nick Clifton <nickc@redhat.com>
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* config/tc-msp430.c (msp430_mcu_names): Rename to
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3
gas/NEWS
3
gas/NEWS
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@ -1,5 +1,8 @@
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-*- text -*-
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* Add a configure option --enable-compressed-debug-sections=[yes|no] to decide
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whether DWARF debug sections should be compressed by default.
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* Add support for the ARC EM/HS, and ARC600/700 architectures. Remove
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assembler support for Argonaut RISC architectures.
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16
gas/as.c
16
gas/as.c
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@ -224,6 +224,11 @@ print_version_id (void)
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VERSION, TARGET_ALIAS, BFD_VERSION_STRING);
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}
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#ifdef DEFAULT_FLAG_COMPRESS_DEBUG
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enum compressed_debug_section_type flag_compress_debug
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= COMPRESS_DEBUG_GABI_ZLIB;
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#endif
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static void
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show_usage (FILE * stream)
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{
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@ -245,12 +250,21 @@ Options:\n\
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fprintf (stream, _("\
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--alternate initially turn on alternate macro syntax\n"));
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#ifdef DEFAULT_FLAG_COMPRESS_DEBUG
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fprintf (stream, _("\
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--compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi}]\n\
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compress DWARF debug sections using zlib [default]\n"));
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fprintf (stream, _("\
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--nocompress-debug-sections\n\
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don't compress DWARF debug sections\n"));
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#else
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fprintf (stream, _("\
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--compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi}]\n\
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compress DWARF debug sections using zlib\n"));
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fprintf (stream, _("\
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--nocompress-debug-sections\n\
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don't compress DWARF debug sections\n"));
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don't compress DWARF debug sections [default]\n"));
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#endif
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fprintf (stream, _("\
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-D produce assembler debugging messages\n"));
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fprintf (stream, _("\
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@ -36,6 +36,9 @@
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/* Default emulation. */
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#undef DEFAULT_EMULATION
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/* Define if you want compressed debug sections by default. */
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#undef DEFAULT_FLAG_COMPRESS_DEBUG
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/* Supported emulations. */
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#undef EMULATIONS
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@ -33,12 +33,6 @@
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#include "elf/x86-64.h"
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#include "opcodes/i386-init.h"
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#ifdef TE_LINUX
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/* Default to compress debug sections for Linux. */
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enum compressed_debug_section_type flag_compress_debug
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= COMPRESS_DEBUG_GABI_ZLIB;
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#endif
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#ifndef REGISTER_WARNINGS
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#define REGISTER_WARNINGS 1
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#endif
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@ -764,6 +764,7 @@ enable_plugins
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enable_largefile
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enable_targets
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enable_checking
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enable_compressed_debug_sections
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enable_werror
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enable_build_warnings
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enable_nls
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@ -1412,6 +1413,7 @@ Optional Features:
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--disable-largefile omit support for large files
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--enable-targets alternative target configurations besides the primary
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--enable-checking enable run-time checks
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--enable-compressed-debug-sections compress debug sections by default
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--enable-werror treat compile warnings as errors
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--enable-build-warnings enable build-time compiler warnings
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--disable-nls do not use Native Language Support
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@ -10969,7 +10971,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 10972 "configure"
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#line 10974 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -11075,7 +11077,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 11078 "configure"
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#line 11080 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -11664,6 +11666,19 @@ $as_echo "#define ENABLE_CHECKING 1" >>confdefs.h
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fi
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# PR gas/19109
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# Decide the default method for compressing debug sections.
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ac_default_compressed_debug_sections=unset
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# Provide a configure time option to override our default.
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# Check whether --enable-compressed_debug_sections was given.
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if test "${enable_compressed_debug_sections+set}" = set; then :
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enableval=$enable_compressed_debug_sections; case "${enableval}" in
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yes) ac_default_compressed_debug_sections=yes ;;
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no) ac_default_compressed_debug_sections=no ;;
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*) ac_default_compressed_debug_sections=unset ;;
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esac
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fi
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using_cgen=no
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@ -12489,6 +12504,12 @@ _ACEOF
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done
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if test x$ac_default_compressed_debug_sections == xyes ; then
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$as_echo "#define DEFAULT_FLAG_COMPRESS_DEBUG 1" >>confdefs.h
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fi
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# Turn on all targets if possible
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if test ${all_targets} = "yes"; then
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case ${target_cpu_type} in
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@ -64,6 +64,18 @@ if test x$ac_checking != x ; then
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AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
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fi
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# PR gas/19109
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# Decide the default method for compressing debug sections.
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ac_default_compressed_debug_sections=unset
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# Provide a configure time option to override our default.
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AC_ARG_ENABLE(compressed_debug_sections,
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[ --enable-compressed-debug-sections compress debug sections by default],
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[case "${enableval}" in
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yes) ac_default_compressed_debug_sections=yes ;;
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no) ac_default_compressed_debug_sections=no ;;
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*) ac_default_compressed_debug_sections=unset ;;
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esac])dnl
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using_cgen=no
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AM_BINUTILS_WARNINGS
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@ -536,6 +548,10 @@ changequote([,])dnl
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done
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if test x$ac_default_compressed_debug_sections == xyes ; then
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AC_DEFINE(DEFAULT_FLAG_COMPRESS_DEBUG, 1, [Define if you want compressed debug sections by default.])
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fi
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# Turn on all targets if possible
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if test ${all_targets} = "yes"; then
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case ${target_cpu_type} in
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@ -656,7 +656,9 @@ sections using zlib. The debug sections are renamed to begin with
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@end ifset
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@item --nocompress-debug-sections
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Do not compress DWARF debug sections. This is the default.
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Do not compress DWARF debug sections. This is usually the default for all
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targets except the x86/x86_64, but a configure time option can be used to
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override this.
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@item -D
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Ignored. This option is accepted for script compatibility with calls to
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