From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1851) id 6CE7F3857B99; Thu, 22 Sep 2022 12:42:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6CE7F3857B99 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1663850536; bh=3TE7T1zod5XO5SgWn9wz0c6euYL3rFbrllSGkDoE+Tg=; h=From:To:Subject:Date:From; b=JR6gH8dm0fl4bXL0lxgdch+Z8/DqTUxsWPBYd05ivfPNEYjEjmaI3nPTrYbqygsS3 vgAJUiwPxHT7T40mT0b3XuYWZokH8UN2oP5r64yCDLkulKEKcSgQVFE2yZxyyqxnu/ lay+vXBsKkN0sqLTsB9SiCYvH0YLvR7/y1VxZOSo= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Martin Liska To: gcc-cvs@gcc.gnu.org Subject: [gcc(refs/users/marxin/heads/support-gz=zstd)] support -gz=zstd for both linker and assembler X-Act-Checkin: gcc X-Git-Author: Martin Liska X-Git-Refname: refs/users/marxin/heads/support-gz=zstd X-Git-Oldrev: 26607a63da99226a020e3318468139a672a14153 X-Git-Newrev: 0dff477e957a16d103d15754fe573d7e592e89dc Message-Id: <20220922124216.6CE7F3857B99@sourceware.org> Date: Thu, 22 Sep 2022 12:42:16 +0000 (GMT) List-Id: https://gcc.gnu.org/g:0dff477e957a16d103d15754fe573d7e592e89dc commit 0dff477e957a16d103d15754fe573d7e592e89dc Author: Martin Liska Date: Thu Sep 22 14:30:44 2022 +0200 support -gz=zstd for both linker and assembler PR driver/106897 gcc/ChangeLog: * common.opt: Add -gz=zstd value. * configure.ac: Detect --compress-debug-sections=zstd for both linker and assembler. * configure: Regenerate. * gcc.cc (LINK_COMPRESS_DEBUG_SPEC): Handle -gz=zstd. (ASM_COMPRESS_DEBUG_SPEC): Likewise. Diff: --- gcc/common.opt | 5 ++++- gcc/configure | 10 ++++++++++ gcc/configure.ac | 10 ++++++++++ gcc/gcc.cc | 15 +++++++++++++++ 4 files changed, 39 insertions(+), 1 deletion(-) diff --git a/gcc/common.opt b/gcc/common.opt index 06ef768ab78..68370db816b 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -3419,7 +3419,10 @@ EnumValue Enum(compressed_debug_sections) String(zlib) Value(1) EnumValue -Enum(compressed_debug_sections) String(zlib-gnu) Value(2) +Enum(compressed_debug_sections) String(zstd) Value(2) + +EnumValue +Enum(compressed_debug_sections) String(zlib-gnu) Value(3) gz Common Driver diff --git a/gcc/configure b/gcc/configure index 70a013e9a30..563a696d183 100755 --- a/gcc/configure +++ b/gcc/configure @@ -29727,6 +29727,12 @@ else if $gcc_cv_as --compress-debug-sections -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null then gcc_cv_as_compress_debug=0 + # Since binutils 2.40, gas supports --compress-debug-sections=zstd. + elif $gcc_cv_as --compress-debug-sections=zstd -o conftest.o conftest.s > /dev/null 2>&1 + then + gcc_cv_as_compress_debug=2 + gcc_cv_as_compress_debug_option="--compress-debug-sections" + gcc_cv_as_no_compress_debug_option="--nocompress-debug-sections" # Since binutils 2.26, gas supports --compress-debug-sections=zlib, # defaulting to the ELF gABI format. elif $gcc_cv_as --compress-debug-sections=zlib -o conftest.o conftest.s > /dev/null 2>&1 @@ -30251,6 +30257,10 @@ $as_echo_n "checking linker for compressed debug sections... " >&6; } if $gcc_cv_ld --help 2>&1 | grep -- '--compress-debug-sections.*\' > /dev/null; then gcc_cv_ld_compress_debug=1 gcc_cv_ld_compress_debug_option="--compress-debug-sections" + # Detect zstd debug section compression support + if $gcc_cv_ld --help 2>&1 | grep -- '--compress-debug-sections.*\' > /dev/null; then + gcc_cv_ld_compress_debug=2 + fi else case "${target}" in *-*-solaris2*) diff --git a/gcc/configure.ac b/gcc/configure.ac index 96e10d7c194..f1dc495e470 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -5732,6 +5732,12 @@ gcc_GAS_CHECK_FEATURE([compressed debug sections], if $gcc_cv_as --compress-debug-sections -o conftest.o conftest.s 2>&1 | grep -i warning > /dev/null then gcc_cv_as_compress_debug=0 + # Since binutils 2.40, gas supports --compress-debug-sections=zstd. + elif $gcc_cv_as --compress-debug-sections=zstd -o conftest.o conftest.s > /dev/null 2>&1 + then + gcc_cv_as_compress_debug=2 + gcc_cv_as_compress_debug_option="--compress-debug-sections" + gcc_cv_as_no_compress_debug_option="--nocompress-debug-sections" # Since binutils 2.26, gas supports --compress-debug-sections=zlib, # defaulting to the ELF gABI format. elif $gcc_cv_as --compress-debug-sections=zlib -o conftest.o conftest.s > /dev/null 2>&1 @@ -6127,6 +6133,10 @@ AC_MSG_CHECKING(linker for compressed debug sections) if $gcc_cv_ld --help 2>&1 | grep -- '--compress-debug-sections.*\' > /dev/null; then gcc_cv_ld_compress_debug=1 gcc_cv_ld_compress_debug_option="--compress-debug-sections" + # Detect zstd debug section compression support + if $gcc_cv_ld --help 2>&1 | grep -- '--compress-debug-sections.*\' > /dev/null; then + gcc_cv_ld_compress_debug=2 + fi else changequote(,)dnl case "${target}" in diff --git a/gcc/gcc.cc b/gcc/gcc.cc index 7578988efa9..2ffbbc0bf2a 100644 --- a/gcc/gcc.cc +++ b/gcc/gcc.cc @@ -835,6 +835,14 @@ proper position among the other output files. */ #define LINK_COMPRESS_DEBUG_SPEC \ " %{gz|gz=zlib:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ + " %{gz*:%e-gz=zstd is not supported in this configuration} " \ + " %{gz=zlib-gnu:}" /* Ignore silently zlib-gnu option value. */ +#elif HAVE_LD_COMPRESS_DEBUG == 2 +/* ELF gABI style and ZSTD. */ +#define LINK_COMPRESS_DEBUG_SPEC \ + " %{gz|gz=zlib:" LD_COMPRESS_DEBUG_OPTION "=zlib}" \ + " %{gz=none:" LD_COMPRESS_DEBUG_OPTION "=none}" \ + " %{gz=zstd:" LD_COMPRESS_DEBUG_OPTION "=zstd}" \ " %{gz=zlib-gnu:}" /* Ignore silently zlib-gnu option value. */ #else #error Unknown value for HAVE_LD_COMPRESS_DEBUG. @@ -890,6 +898,13 @@ proper position among the other output files. */ " %{gz|gz=zlib:" AS_COMPRESS_DEBUG_OPTION "=zlib}" \ " %{gz=none:" AS_COMPRESS_DEBUG_OPTION "=none}" \ " %{gz=zlib-gnu:}" /* Ignore silently zlib-gnu option value. */ +#elif HAVE_AS_COMPRESS_DEBUG == 2 +/* ELF gABI style and ZSTD. */ +#define ASM_COMPRESS_DEBUG_SPEC \ + " %{gz|gz=zlib:" AS_COMPRESS_DEBUG_OPTION "=zlib}" \ + " %{gz=none:" AS_COMPRESS_DEBUG_OPTION "=none}" \ + " %{gz=zstd:" AS_COMPRESS_DEBUG_OPTION "=zstd}" \ + " %{gz=zlib-gnu:}" /* Ignore silently zlib-gnu option value. */ #else #error Unknown value for HAVE_AS_COMPRESS_DEBUG. #endif