diff options
Diffstat (limited to 'gas')
-rw-r--r-- | gas/Makefile.am | 4 | ||||
-rw-r--r-- | gas/Makefile.in | 13 | ||||
-rw-r--r-- | gas/NEWS | 3 | ||||
-rw-r--r-- | gas/aclocal.m4 | 2 | ||||
-rw-r--r-- | gas/as.c | 13 | ||||
-rw-r--r-- | gas/compress-debug.c | 60 | ||||
-rw-r--r-- | gas/compress-debug.h | 10 | ||||
-rw-r--r-- | gas/config.in | 3 | ||||
-rwxr-xr-x | gas/configure | 269 | ||||
-rw-r--r-- | gas/configure.ac | 3 | ||||
-rw-r--r-- | gas/doc/as.texi | 11 | ||||
-rw-r--r-- | gas/write.c | 36 |
12 files changed, 380 insertions, 47 deletions
diff --git a/gas/Makefile.am b/gas/Makefile.am index bd59739..5f0f24a 100644 --- a/gas/Makefile.am +++ b/gas/Makefile.am @@ -42,7 +42,7 @@ am__skipyacc = WARN_CFLAGS = @WARN_CFLAGS@ @WARN_WRITE_STRINGS@ NO_WERROR = @NO_WERROR@ -AM_CFLAGS = $(WARN_CFLAGS) $(ZLIBINC) +AM_CFLAGS = $(WARN_CFLAGS) $(ZLIBINC) $(ZSTD_CFLAGS) TARG_CPU = @target_cpu_type@ TARG_CPU_C = $(srcdir)/config/tc-@target_cpu_type@.c @@ -407,7 +407,7 @@ STAGESTUFF = *.@OBJEXT@ $(noinst_PROGRAMS) as_new_SOURCES = $(GAS_CFILES) as_new_LDADD = $(TARG_CPU_O) $(OBJ_FORMAT_O) $(ATOF_TARG_O) \ - $(extra_objects) $(GASLIBS) $(LIBINTL) $(LIBM) $(ZLIB) + $(extra_objects) $(GASLIBS) $(LIBINTL) $(LIBM) $(ZLIB) $(ZSTD_LIBS) as_new_DEPENDENCIES = $(TARG_CPU_O) $(OBJ_FORMAT_O) $(ATOF_TARG_O) \ $(extra_objects) $(GASLIBS) $(LIBINTL_DEP) EXTRA_as_new_SOURCES = $(CFILES) $(HFILES) $(TARGET_CPU_CFILES) \ diff --git a/gas/Makefile.in b/gas/Makefile.in index c57d78f..5a4dd70 100644 --- a/gas/Makefile.in +++ b/gas/Makefile.in @@ -140,10 +140,12 @@ am__aclocal_m4_deps = $(top_srcdir)/../bfd/acinclude.m4 \ $(top_srcdir)/../config/lead-dot.m4 \ $(top_srcdir)/../config/nls.m4 \ $(top_srcdir)/../config/override.m4 \ + $(top_srcdir)/../config/pkg.m4 \ $(top_srcdir)/../config/plugins.m4 \ $(top_srcdir)/../config/po.m4 \ $(top_srcdir)/../config/progtest.m4 \ - $(top_srcdir)/../config/zlib.m4 $(top_srcdir)/../libtool.m4 \ + $(top_srcdir)/../config/zlib.m4 \ + $(top_srcdir)/../config/zstd.m4 $(top_srcdir)/../libtool.m4 \ $(top_srcdir)/../ltoptions.m4 $(top_srcdir)/../ltsugar.m4 \ $(top_srcdir)/../ltversion.m4 $(top_srcdir)/../lt~obsolete.m4 \ $(top_srcdir)/acinclude.m4 $(top_srcdir)/../bfd/version.m4 \ @@ -429,6 +431,9 @@ PACKAGE_TARNAME = @PACKAGE_TARNAME@ PACKAGE_URL = @PACKAGE_URL@ PACKAGE_VERSION = @PACKAGE_VERSION@ PATH_SEPARATOR = @PATH_SEPARATOR@ +PKG_CONFIG = @PKG_CONFIG@ +PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@ +PKG_CONFIG_PATH = @PKG_CONFIG_PATH@ POSUB = @POSUB@ RANLIB = @RANLIB@ SED = @SED@ @@ -443,6 +448,8 @@ WARN_WRITE_STRINGS = @WARN_WRITE_STRINGS@ XGETTEXT = @XGETTEXT@ YACC = `if [ -f ../bison/bison ] ; then echo ../bison/bison -y -L../bison/bison ; else echo @YACC@ ; fi` YFLAGS = @YFLAGS@ +ZSTD_CFLAGS = @ZSTD_CFLAGS@ +ZSTD_LIBS = @ZSTD_LIBS@ abs_builddir = @abs_builddir@ abs_srcdir = @abs_srcdir@ abs_top_builddir = @abs_top_builddir@ @@ -524,7 +531,7 @@ ZLIBINC = @zlibinc@ # maintainer mode is disabled. Avoid this. am__skiplex = am__skipyacc = -AM_CFLAGS = $(WARN_CFLAGS) $(ZLIBINC) +AM_CFLAGS = $(WARN_CFLAGS) $(ZLIBINC) $(ZSTD_CFLAGS) TARG_CPU = @target_cpu_type@ TARG_CPU_C = $(srcdir)/config/tc-@target_cpu_type@.c TARG_CPU_O = config/tc-@target_cpu_type@.@OBJEXT@ @@ -874,7 +881,7 @@ GASLIBS = @OPCODES_LIB@ ../bfd/libbfd.la ../libiberty/libiberty.a STAGESTUFF = *.@OBJEXT@ $(noinst_PROGRAMS) as_new_SOURCES = $(GAS_CFILES) as_new_LDADD = $(TARG_CPU_O) $(OBJ_FORMAT_O) $(ATOF_TARG_O) \ - $(extra_objects) $(GASLIBS) $(LIBINTL) $(LIBM) $(ZLIB) + $(extra_objects) $(GASLIBS) $(LIBINTL) $(LIBM) $(ZLIB) $(ZSTD_LIBS) as_new_DEPENDENCIES = $(TARG_CPU_O) $(OBJ_FORMAT_O) $(ATOF_TARG_O) \ $(extra_objects) $(GASLIBS) $(LIBINTL_DEP) @@ -1,5 +1,8 @@ -*- text -*- +* gas now supports --compress-debug-sections=zstd to compress + debug sections with zstd. + Changes in 2.39: * Remove (rudimentary) support for the x86-64 sub-architectures Intel L1OM and diff --git a/gas/aclocal.m4 b/gas/aclocal.m4 index 7018312..722030c 100644 --- a/gas/aclocal.m4 +++ b/gas/aclocal.m4 @@ -1196,10 +1196,12 @@ m4_include([../config/lcmessage.m4]) m4_include([../config/lead-dot.m4]) m4_include([../config/nls.m4]) m4_include([../config/override.m4]) +m4_include([../config/pkg.m4]) m4_include([../config/plugins.m4]) m4_include([../config/po.m4]) m4_include([../config/progtest.m4]) m4_include([../config/zlib.m4]) +m4_include([../config/zstd.m4]) m4_include([../libtool.m4]) m4_include([../ltoptions.m4]) m4_include([../ltsugar.m4]) @@ -252,14 +252,14 @@ Options:\n\ --alternate initially turn on alternate macro syntax\n")); #ifdef DEFAULT_FLAG_COMPRESS_DEBUG fprintf (stream, _("\ - --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi}]\n\ + --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi|zstd}]\n\ compress DWARF debug sections using zlib [default]\n")); fprintf (stream, _("\ --nocompress-debug-sections\n\ don't compress DWARF debug sections\n")); #else fprintf (stream, _("\ - --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi}]\n\ + --compress-debug-sections[={none|zlib|zlib-gnu|zlib-gabi|zstd}]\n\ compress DWARF debug sections using zlib\n")); fprintf (stream, _("\ --nocompress-debug-sections\n\ @@ -736,6 +736,15 @@ This program has absolutely no warranty.\n")); flag_compress_debug = COMPRESS_DEBUG_GNU_ZLIB; else if (strcasecmp (optarg, "zlib-gabi") == 0) flag_compress_debug = COMPRESS_DEBUG_GABI_ZLIB; + else if (strcasecmp (optarg, "zstd") == 0) + { +#ifdef HAVE_ZSTD + flag_compress_debug = COMPRESS_DEBUG_ZSTD; +#else + as_fatal (_ ("--compress-debug-sections=zstd: gas is not " + "built with zstd support")); +#endif + } else as_fatal (_("Invalid --compress-debug-sections option: `%s'"), optarg); diff --git a/gas/compress-debug.c b/gas/compress-debug.c index c80dbee..3cd175f 100644 --- a/gas/compress-debug.c +++ b/gas/compress-debug.c @@ -21,14 +21,23 @@ #include "config.h" #include <stdio.h> #include <zlib.h> +#if HAVE_ZSTD +#include <zstd.h> +#endif #include "ansidecl.h" #include "compress-debug.h" /* Initialize the compression engine. */ -struct z_stream_s * -compress_init (void) +void * +compress_init (bool use_zstd) { + if (use_zstd) { +#if HAVE_ZSTD + return ZSTD_createCCtx (); +#endif + } + static struct z_stream_s strm; strm.zalloc = NULL; @@ -42,22 +51,37 @@ compress_init (void) from the engine goes into the current frag on the obstack. */ int -compress_data (struct z_stream_s *strm, const char **next_in, - int *avail_in, char **next_out, int *avail_out) +compress_data (bool use_zstd, void *ctx, const char **next_in, int *avail_in, + char **next_out, int *avail_out) { - int out_size = 0; - int x; + if (use_zstd) + { +#if HAVE_ZSTD + ZSTD_outBuffer ob = { *next_out, *avail_out, 0 }; + ZSTD_inBuffer ib = { *next_in, *avail_in, 0 }; + size_t ret = ZSTD_compressStream2 (ctx, &ob, &ib, ZSTD_e_continue); + *next_in += ib.pos; + *avail_in -= ib.pos; + *next_out += ob.pos; + *avail_out -= ob.pos; + if (ZSTD_isError (ret)) + return -1; + return (int)ob.pos; +#endif + } + + struct z_stream_s *strm = ctx; strm->next_in = (Bytef *) (*next_in); strm->avail_in = *avail_in; strm->next_out = (Bytef *) (*next_out); strm->avail_out = *avail_out; - x = deflate (strm, Z_NO_FLUSH); + int x = deflate (strm, Z_NO_FLUSH); if (x != Z_OK) return -1; - out_size = *avail_out - strm->avail_out; + int out_size = *avail_out - strm->avail_out; *next_in = (char *) (strm->next_in); *avail_in = strm->avail_in; *next_out = (char *) (strm->next_out); @@ -71,10 +95,28 @@ compress_data (struct z_stream_s *strm, const char **next_in, needed. */ int -compress_finish (struct z_stream_s *strm, char **next_out, +compress_finish (bool use_zstd, void *ctx, char **next_out, int *avail_out, int *out_size) { + if (use_zstd) + { +#if HAVE_ZSTD + ZSTD_outBuffer ob = { *next_out, *avail_out, 0 }; + ZSTD_inBuffer ib = { 0 }; + size_t ret = ZSTD_compressStream2 (ctx, &ob, &ib, ZSTD_e_end); + *out_size = ob.pos; + *next_out += ob.pos; + *avail_out -= ob.pos; + if (ZSTD_isError (ret)) + return -1; + if (ret == 0) + ZSTD_freeCCtx (ctx); + return ret ? 1 : 0; +#endif + } + int x; + struct z_stream_s *strm = ctx; strm->avail_in = 0; strm->next_out = (Bytef *) (*next_out); diff --git a/gas/compress-debug.h b/gas/compress-debug.h index 0183e26..87de0f8 100644 --- a/gas/compress-debug.h +++ b/gas/compress-debug.h @@ -21,19 +21,19 @@ #ifndef COMPRESS_DEBUG_H #define COMPRESS_DEBUG_H +#include <stdbool.h> + struct z_stream_s; /* Initialize the compression engine. */ -extern struct z_stream_s * -compress_init (void); +extern void *compress_init (bool); /* Stream the contents of a frag to the compression engine. Output from the engine goes into the current frag on the obstack. */ -extern int -compress_data (struct z_stream_s *, const char **, int *, char **, int *); +extern int compress_data (bool, void *, const char **, int *, char **, int *); /* Finish the compression and consume the remaining compressed output. */ extern int -compress_finish (struct z_stream_s *, char **, int *, int *); +compress_finish (bool, void *, char **, int *, int *); #endif /* COMPRESS_DEBUG_H */ diff --git a/gas/config.in b/gas/config.in index e243fd2..0d1668a 100644 --- a/gas/config.in +++ b/gas/config.in @@ -134,6 +134,9 @@ /* Define to 1 if you have the <windows.h> header file. */ #undef HAVE_WINDOWS_H +/* Define to 1 if zstd is enabled. */ +#undef HAVE_ZSTD + /* Using i386 COFF? */ #undef I386COFF diff --git a/gas/configure b/gas/configure index d0449a1..02cded5 100755 --- a/gas/configure +++ b/gas/configure @@ -633,6 +633,11 @@ ac_subst_vars='am__EXEEXT_FALSE am__EXEEXT_TRUE LTLIBOBJS LIBOBJS +ZSTD_LIBS +ZSTD_CFLAGS +PKG_CONFIG_LIBDIR +PKG_CONFIG_PATH +PKG_CONFIG zlibinc zlibdir LIBM @@ -817,6 +822,7 @@ with_cpu enable_nls enable_maintainer_mode with_system_zlib +with_zstd ' ac_precious_vars='build_alias host_alias @@ -828,7 +834,12 @@ LIBS CPPFLAGS CPP YACC -YFLAGS' +YFLAGS +PKG_CONFIG +PKG_CONFIG_PATH +PKG_CONFIG_LIBDIR +ZSTD_CFLAGS +ZSTD_LIBS' # Initialize some variables set by options. @@ -1493,6 +1504,8 @@ Optional Packages: --with-cpu=CPU default cpu variant is CPU (currently only supported on ARC) --with-system-zlib use installed libz + --with-zstd support zstd compressed debug sections + (default=auto) Some influential environment variables: CC C compiler command @@ -1509,6 +1522,13 @@ Some influential environment variables: YFLAGS The list of arguments that will be passed by default to $YACC. This script will default YFLAGS to the empty string to avoid a default value of `-d' given by some make applications. + PKG_CONFIG path to pkg-config utility + PKG_CONFIG_PATH + directories to add to pkg-config's search path + PKG_CONFIG_LIBDIR + path overriding pkg-config's built-in search path + ZSTD_CFLAGS C compiler flags for ZSTD, overriding pkg-config + ZSTD_LIBS linker flags for ZSTD, overriding pkg-config Use these variables to override the choices made by `configure' or to help it to find libraries and programs with nonstandard names/locations. @@ -10702,7 +10722,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 10705 "configure" +#line 10725 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -10808,7 +10828,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 10811 "configure" +#line 10831 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -13945,7 +13965,7 @@ $as_echo "#define USE_BINARY_FOPEN 1" >>confdefs.h ;; esac -# Link in zlib if we can. This allows us to write compressed debug sections. +# Link in zlib/zstd if we can. This allows us to write compressed debug sections. # Use the system's zlib library. zlibdir="-L\$(top_builddir)/../zlib" @@ -13964,6 +13984,247 @@ fi + + + + + + +if test "x$ac_cv_env_PKG_CONFIG_set" != "xset"; then + if test -n "$ac_tool_prefix"; then + # Extract the first word of "${ac_tool_prefix}pkg-config", so it can be a program name with args. +set dummy ${ac_tool_prefix}pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_PKG_CONFIG="$PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +PKG_CONFIG=$ac_cv_path_PKG_CONFIG +if test -n "$PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PKG_CONFIG" >&5 +$as_echo "$PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + +fi +if test -z "$ac_cv_path_PKG_CONFIG"; then + ac_pt_PKG_CONFIG=$PKG_CONFIG + # Extract the first word of "pkg-config", so it can be a program name with args. +set dummy pkg-config; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_path_ac_pt_PKG_CONFIG+:} false; then : + $as_echo_n "(cached) " >&6 +else + case $ac_pt_PKG_CONFIG in + [\\/]* | ?:[\\/]*) + ac_cv_path_ac_pt_PKG_CONFIG="$ac_pt_PKG_CONFIG" # Let the user override the test with a path. + ;; + *) + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_path_ac_pt_PKG_CONFIG="$as_dir/$ac_word$ac_exec_ext" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + + ;; +esac +fi +ac_pt_PKG_CONFIG=$ac_cv_path_ac_pt_PKG_CONFIG +if test -n "$ac_pt_PKG_CONFIG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_pt_PKG_CONFIG" >&5 +$as_echo "$ac_pt_PKG_CONFIG" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + if test "x$ac_pt_PKG_CONFIG" = x; then + PKG_CONFIG="" + else + case $cross_compiling:$ac_tool_warned in +yes:) +{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 +$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} +ac_tool_warned=yes ;; +esac + PKG_CONFIG=$ac_pt_PKG_CONFIG + fi +else + PKG_CONFIG="$ac_cv_path_PKG_CONFIG" +fi + +fi +if test -n "$PKG_CONFIG"; then + _pkg_min_version=0.9.0 + { $as_echo "$as_me:${as_lineno-$LINENO}: checking pkg-config is at least version $_pkg_min_version" >&5 +$as_echo_n "checking pkg-config is at least version $_pkg_min_version... " >&6; } + if $PKG_CONFIG --atleast-pkgconfig-version $_pkg_min_version; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + PKG_CONFIG="" + fi +fi + + +# Check whether --with-zstd was given. +if test "${with_zstd+set}" = set; then : + withval=$with_zstd; +else + with_zstd=auto +fi + + +if test "$with_zstd" != no; then : + +pkg_failed=no +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libzstd" >&5 +$as_echo_n "checking for libzstd... " >&6; } + +if test -n "$ZSTD_CFLAGS"; then + pkg_cv_ZSTD_CFLAGS="$ZSTD_CFLAGS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libzstd") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_ZSTD_CFLAGS=`$PKG_CONFIG --cflags "libzstd" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi +if test -n "$ZSTD_LIBS"; then + pkg_cv_ZSTD_LIBS="$ZSTD_LIBS" + elif test -n "$PKG_CONFIG"; then + if test -n "$PKG_CONFIG" && \ + { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"libzstd\""; } >&5 + ($PKG_CONFIG --exists --print-errors "libzstd") 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; then + pkg_cv_ZSTD_LIBS=`$PKG_CONFIG --libs "libzstd" 2>/dev/null` + test "x$?" != "x0" && pkg_failed=yes +else + pkg_failed=yes +fi + else + pkg_failed=untried +fi + +if test $pkg_failed = no; then + pkg_save_LDFLAGS="$LDFLAGS" + LDFLAGS="$LDFLAGS $pkg_cv_ZSTD_LIBS" + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + + ; + return 0; +} +_ACEOF +if ac_fn_c_try_link "$LINENO"; then : + +else + pkg_failed=yes +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext conftest.$ac_ext + LDFLAGS=$pkg_save_LDFLAGS +fi + + + +if test $pkg_failed = yes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + +if $PKG_CONFIG --atleast-pkgconfig-version 0.20; then + _pkg_short_errors_supported=yes +else + _pkg_short_errors_supported=no +fi + if test $_pkg_short_errors_supported = yes; then + ZSTD_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "libzstd" 2>&1` + else + ZSTD_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "libzstd" 2>&1` + fi + # Put the nasty error message in config.log where it belongs + echo "$ZSTD_PKG_ERRORS" >&5 + + + if test "$with_zstd" = yes; then + as_fn_error $? "--with-zstd was given, but pkgconfig/libzstd.pc is not found" "$LINENO" 5 + fi + +elif test $pkg_failed = untried; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } + + if test "$with_zstd" = yes; then + as_fn_error $? "--with-zstd was given, but pkgconfig/libzstd.pc is not found" "$LINENO" 5 + fi + +else + ZSTD_CFLAGS=$pkg_cv_ZSTD_CFLAGS + ZSTD_LIBS=$pkg_cv_ZSTD_LIBS + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } + + +$as_echo "#define HAVE_ZSTD 1" >>confdefs.h + + +fi + +fi + + # Support for VMS timestamps via cross compile if test "$ac_cv_header_time_h" = yes; then diff --git a/gas/configure.ac b/gas/configure.ac index 21795a8..e6f3298 100644 --- a/gas/configure.ac +++ b/gas/configure.ac @@ -1004,8 +1004,9 @@ AC_CHECK_DECLS([asprintf, mempcpy, stpcpy]) BFD_BINARY_FOPEN -# Link in zlib if we can. This allows us to write compressed debug sections. +# Link in zlib/zstd if we can. This allows us to write compressed debug sections. AM_ZLIB +AC_ZSTD # Support for VMS timestamps via cross compile diff --git a/gas/doc/as.texi b/gas/doc/as.texi index e915893..01f4943 100644 --- a/gas/doc/as.texi +++ b/gas/doc/as.texi @@ -711,16 +711,19 @@ given section @emph{larger} then it is not compressed. @itemx --compress-debug-sections=zlib @itemx --compress-debug-sections=zlib-gnu @itemx --compress-debug-sections=zlib-gabi +@itemx --compress-debug-sections=zstd These options control how DWARF debug sections are compressed. @option{--compress-debug-sections=none} is equivalent to @option{--nocompress-debug-sections}. @option{--compress-debug-sections=zlib} and @option{--compress-debug-sections=zlib-gabi} are equivalent to @option{--compress-debug-sections}. -@option{--compress-debug-sections=zlib-gnu} compresses DWARF debug -sections using zlib. The debug sections are renamed to begin with -@samp{.zdebug}. Note if compression would make a given section -@emph{larger} then it is not compressed nor renamed. +@option{--compress-debug-sections=zlib-gnu} compresses DWARF debug sections +using the obsoleted zlib-gnu format. The debug sections are renamed to begin +with @samp{.zdebug}. +@option{--compress-debug-sections=zstd} compresses DWARF debug +sections using zstd. Note - if compression would actually make a section +@emph{larger}, then it is not compressed nor renamed. @end ifset diff --git a/gas/write.c b/gas/write.c index f76bbdb..0e49df7 100644 --- a/gas/write.c +++ b/gas/write.c @@ -1413,7 +1413,7 @@ write_relocs (bfd *abfd ATTRIBUTE_UNUSED, asection *sec, } static int -compress_frag (struct z_stream_s *strm, const char *contents, int in_size, +compress_frag (bool use_zstd, void *ctx, const char *contents, int in_size, fragS **last_newf, struct obstack *ob) { int out_size; @@ -1442,10 +1442,10 @@ compress_frag (struct z_stream_s *strm, const char *contents, int in_size, as_fatal (_("can't extend frag")); next_out = obstack_next_free (ob); obstack_blank_fast (ob, avail_out); - out_size = compress_data (strm, &contents, &in_size, - &next_out, &avail_out); + out_size = compress_data (use_zstd, ctx, &contents, &in_size, &next_out, + &avail_out); if (out_size < 0) - return -1; + return -1; f->fr_fix += out_size; total_out_size += out_size; @@ -1471,7 +1471,6 @@ compress_debug (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) const char *section_name; char *compressed_name; char *header; - struct z_stream_s *strm; int x; flagword flags = bfd_section_flags (sec); unsigned int header_size, compression_header_size; @@ -1485,20 +1484,21 @@ compress_debug (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) if (!startswith (section_name, ".debug_")) return; - strm = compress_init (); - if (strm == NULL) + bool use_zstd = abfd->flags & BFD_COMPRESS_ZSTD; + void *ctx = compress_init (use_zstd); + if (ctx == NULL) return; - if (flag_compress_debug == COMPRESS_DEBUG_GABI_ZLIB) + if (flag_compress_debug == COMPRESS_DEBUG_GNU_ZLIB) { - compression_header_size - = bfd_get_compression_header_size (stdoutput, NULL); - header_size = compression_header_size; + compression_header_size = 0; + header_size = 12; } else { - compression_header_size = 0; - header_size = 12; + compression_header_size + = bfd_get_compression_header_size (stdoutput, NULL); + header_size = compression_header_size; } /* Create a new frag to contain the compression header. */ @@ -1531,7 +1531,7 @@ compress_debug (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) gas_assert (f->fr_type == rs_fill); if (f->fr_fix) { - out_size = compress_frag (strm, f->fr_literal, f->fr_fix, + out_size = compress_frag (use_zstd, ctx, f->fr_literal, f->fr_fix, &last_newf, ob); if (out_size < 0) return; @@ -1545,8 +1545,8 @@ compress_debug (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) { while (count--) { - out_size = compress_frag (strm, fill_literal, (int) fill_size, - &last_newf, ob); + out_size = compress_frag (use_zstd, ctx, fill_literal, + (int)fill_size, &last_newf, ob); if (out_size < 0) return; compressed_size += out_size; @@ -1579,7 +1579,7 @@ compress_debug (bfd *abfd, asection *sec, void *xxx ATTRIBUTE_UNUSED) as_fatal (_("can't extend frag")); next_out = obstack_next_free (ob); obstack_blank_fast (ob, avail_out); - x = compress_finish (strm, &next_out, &avail_out, &out_size); + x = compress_finish (use_zstd, ctx, &next_out, &avail_out, &out_size); if (x < 0) return; @@ -2540,6 +2540,8 @@ write_object_file (void) { if (flag_compress_debug == COMPRESS_DEBUG_GABI_ZLIB) stdoutput->flags |= BFD_COMPRESS | BFD_COMPRESS_GABI; + else if (flag_compress_debug == COMPRESS_DEBUG_ZSTD) + stdoutput->flags |= BFD_COMPRESS | BFD_COMPRESS_GABI | BFD_COMPRESS_ZSTD; else stdoutput->flags |= BFD_COMPRESS; bfd_map_over_sections (stdoutput, compress_debug, (char *) 0); |