From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by sourceware.org (Postfix) with ESMTPS id 661B2384C007 for ; Tue, 13 Jul 2021 20:38:39 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 661B2384C007 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=dabbelt.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=dabbelt.com Received: by mail-pj1-x102a.google.com with SMTP id n11so12800906pjo.1 for ; Tue, 13 Jul 2021 13:38:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=dabbelt-com.20150623.gappssmtp.com; s=20150623; h=date:subject:in-reply-to:cc:from:to:message-id:mime-version :content-transfer-encoding; bh=UJcWlxRxRjFaLlDQEkOf01ynzXaj3qrTLNc9+TXvfi8=; b=kWlG5su7OFxntLaN1u+NKs5+h+FHM+0+O835Y98DJFZT7PKW8rnCXbIHOP8Ivp93W3 qnfAuzlPm76EPAJo49GGfmfNfznLmC5XRMHF+woZg7oG+HXjlyOUNVLtNSw/+X+dcD/d vFb0Ozavc9LrfoX5rBT51CVFhXruywXRwI/t83iLmvUFnfbxPmglEqWC5Yv3MiSDj72P RME3sHo9yHBHHeCF/M0JOXkii93KNlyhqMRawuG4juuSdpvXKmPgQ36H849Yo1KyDY7g x4/aZxMdkcfegV8o4kdtsslD1TE102mq9zf4vhmRENgVYmam11KURcM19mFrxpuPgegN YdiA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:subject:in-reply-to:cc:from:to:message-id :mime-version:content-transfer-encoding; bh=UJcWlxRxRjFaLlDQEkOf01ynzXaj3qrTLNc9+TXvfi8=; b=jXMVWAx0IAJcq663VP7lpmCD9cPk+s0SBU+HYTCSXJM6bDgoFvo3THrXXgTVxDYx1s 0zqPYtNofcKLwUpB7M2XtIyJ9hSzPCDPX54ifrW6gjCSNlZry4cWcI4krX1gZn1VmfeS w997xXQqdSQM17+3+pETszHPb1H01Cz79VudcfB8BLNdXVN5sz+cflPYugOhX8ZrfrIe 2iE6w46s31m/ZSvR4fh91jGhwUtNzgGUyt6mcGNIuofkmXUE4DYKaepFq3ngkNj3bSOl 9QlMkT95rIk2PD6nu9E79ZP+A0YLBiH8I3GlUV6VR56OJBUoPjjbeuh7KIT+rcmOSSpL +XkA== X-Gm-Message-State: AOAM5329UiUBzcPSKx5AYRdzZAgayw5/3FMdpZBjyZYOFGCBW3T9bVfy ltMMp/7yGyTsbpI/cHy9DH+Iy9idssHrYg== X-Google-Smtp-Source: ABdhPJzQwidwq3XnFJhuxH384yxA9Fbz5vIBDZ8I5s4AM2Dm75OartGuFFnt18Ihe0SwNDW5u83oSQ== X-Received: by 2002:a17:90a:bc83:: with SMTP id x3mr5971267pjr.17.1626208718228; Tue, 13 Jul 2021 13:38:38 -0700 (PDT) Received: from localhost (76-210-143-223.lightspeed.sntcca.sbcglobal.net. [76.210.143.223]) by smtp.gmail.com with ESMTPSA id v7sm22470639pgv.81.2021.07.13.13.38.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Jul 2021 13:38:37 -0700 (PDT) Date: Tue, 13 Jul 2021 13:38:37 -0700 (PDT) X-Google-Original-Date: Tue, 13 Jul 2021 11:26:06 PDT (-0700) Subject: Re: [PATCH v2 1/3] RISC-V: Enable elf attributes when default configure option isn't set. In-Reply-To: <20210709072825.13709-2-nelson.chu@sifive.com> CC: binutils@sourceware.org, gdb-patches@sourceware.org, Jim Wilson , andrew.burgess@embecosm.com, kito.cheng@sifive.com, Andrew Waterman , nelson.chu@sifive.com From: Palmer Dabbelt To: nelson.chu@sifive.com Message-ID: Mime-Version: 1.0 (MHng) Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-12.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.4 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jul 2021 20:38:43 -0000 On Fri, 09 Jul 2021 00:28:23 PDT (-0700), nelson.chu@sifive.com wrote: > Since gcc commit, 3c70b3ca1ef58f302bf8c16d9e7c7bb8626408bf, we now enable > elf attributes for all riscv targets by default in gcc. Therefore, I > think binutils should have the same behavior, in case users are writing > assembly files. > > ChangLog: > > binutils/ > > * testsuite/binutils-all/readelf.s: Add comments for riscv. > * testsuite/binutils-all/readelf.s-64: Likewise. > * testsuite/binutils-all/readelf.s-64-unused: Likewise. > * testsuite/binutils-all/readelf.ss: Likewise. > * testsuite/binutils-all/readelf.ss-64: Likewise. > * testsuite/binutils-all/readelf.ss-64-unused: Likewise. > > gas/ > > * configure.ac: If --enable-default-riscv-attribute isn't set, > then we enable the elf attributes for all riscv targets by > default. > * configure: Regenerated. > --- > binutils/testsuite/binutils-all/readelf.s | 3 ++- > binutils/testsuite/binutils-all/readelf.s-64 | 2 ++ > binutils/testsuite/binutils-all/readelf.s-64-unused | 2 ++ > binutils/testsuite/binutils-all/readelf.ss | 1 + > binutils/testsuite/binutils-all/readelf.ss-64 | 1 + > binutils/testsuite/binutils-all/readelf.ss-64-unused | 1 + > gas/configure | 9 +-------- > gas/configure.ac | 9 +-------- > 8 files changed, 11 insertions(+), 17 deletions(-) > > diff --git a/binutils/testsuite/binutils-all/readelf.s b/binutils/testsuite/binutils-all/readelf.s > index 6ae4dc756b9..ff37acb4da8 100644 > --- a/binutils/testsuite/binutils-all/readelf.s > +++ b/binutils/testsuite/binutils-all/readelf.s > @@ -11,9 +11,10 @@ Section Headers: > #... > +\[ .\] .* +PROGBITS +00000000 0000(3c|40|44|48|50) 0000(04|10) 00 +WA +0 +0 +(.|..) > +\[ .\] .* +NOBITS +00000000 0000(40|44|48|4c|60) 000000 00 +WA +0 +0 +(.|..) > -# ARM targets put .ARM.attributes here > +# ARM targets put .ARM.attributes here. > # MIPS targets put .reginfo, .mdebug, .MIPS.abiflags and .gnu.attributes here. > # v850 targets put .call_table_data and .call_table_text here. > +# riscv targets put .riscv.attributes here. > #... > +\[..\] .symtab +SYMTAB +00000000 0+.* 0+.* 10 +.. +.+ +4 > +\[..\] .strtab +STRTAB +00000000 0+.* 0+.* 00 .* +0 +0 +1 > diff --git a/binutils/testsuite/binutils-all/readelf.s-64 b/binutils/testsuite/binutils-all/readelf.s-64 > index 92ec05f0376..4c957f7a938 100644 > --- a/binutils/testsuite/binutils-all/readelf.s-64 > +++ b/binutils/testsuite/binutils-all/readelf.s-64 > @@ -14,10 +14,12 @@ Section Headers: > +\[ 4\] .bss +NOBITS +0000000000000000 +000000(4c|50|54|58|68) > +0000000000000000 +0000000000000000 +WA +0 +0 +.* > # x86 targets may put .note.gnu.property here. > +# riscv targets put .riscv.attributes here. > #... > +\[ .\] .symtab +SYMTAB +0000000000000000 +0+.* > # aarch64-elf targets have one more data symbol. > # x86 targets may have .note.gnu.property. > +# riscv targets have .riscv.attributes. > +0+.* +0000000000000018 +(6|7) +(3|4) +8 > +\[ .\] .strtab +STRTAB +0000000000000000 +0+.* > +0+.* +0000000000000000 .* +0 +0 +1 > diff --git a/binutils/testsuite/binutils-all/readelf.s-64-unused b/binutils/testsuite/binutils-all/readelf.s-64-unused > index a1e6cd1bbd8..771439411a0 100644 > --- a/binutils/testsuite/binutils-all/readelf.s-64-unused > +++ b/binutils/testsuite/binutils-all/readelf.s-64-unused > @@ -14,10 +14,12 @@ Section Headers: > +\[ 4\] .bss +NOBITS +0000000000000000 +000000(4c|50|54|58) > +0000000000000000 +0000000000000000 +WA +0 +0 +.* > # x86 targets may put .note.gnu.property here. > +# riscv targets put .riscv.attributes here. > #... > +\[ .\] .symtab +SYMTAB +0000000000000000 +0+.* > # aarch64-elf targets have one more data symbol. > # x86 targets may have .note.gnu.property. > +# riscv targets have .riscv.attributes. > +0+.* +0000000000000018 +(6|7) +(6|7) +8 > +\[ .\] .strtab +STRTAB +0000000000000000 +0+.* > +0+.* +0000000000000000 .* +0 +0 +1 > diff --git a/binutils/testsuite/binutils-all/readelf.ss b/binutils/testsuite/binutils-all/readelf.ss > index 5fbb5d002e3..b81c016e9e7 100644 > --- a/binutils/testsuite/binutils-all/readelf.ss > +++ b/binutils/testsuite/binutils-all/readelf.ss > @@ -9,6 +9,7 @@ Symbol table '.symtab' contains .* entries: > +.: 00000000 +0 +NOTYPE +LOCAL +DEFAULT +[34] static_data_symbol > # v850 targets include extra SECTION symbols here for the .call_table_data > # and .call_table_text sections. > +# riscv targets add .riscv.attribute symbol here... > #... > +[0-9]+: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +1 text_symbol > +[0-9]+: 00000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol > diff --git a/binutils/testsuite/binutils-all/readelf.ss-64 b/binutils/testsuite/binutils-all/readelf.ss-64 > index 99a732f71f5..c6ffb0fc523 100644 > --- a/binutils/testsuite/binutils-all/readelf.ss-64 > +++ b/binutils/testsuite/binutils-all/readelf.ss-64 > @@ -7,6 +7,7 @@ Symbol table '.symtab' contains .* entries: > #... > +.: 0000000000000000 +0 +NOTYPE +LOCAL +DEFAULT +3 static_data_symbol > # ... or here ... > +# riscv targets add .riscv.attribute symbol here... > #... > .* +.: 0000000000000000 +0 +NOTYPE +GLOBAL +DEFAULT +1 text_symbol > +.: 0000000000000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol > diff --git a/binutils/testsuite/binutils-all/readelf.ss-64-unused b/binutils/testsuite/binutils-all/readelf.ss-64-unused > index f48a4b2bbd2..cf515aa60d0 100644 > --- a/binutils/testsuite/binutils-all/readelf.ss-64-unused > +++ b/binutils/testsuite/binutils-all/readelf.ss-64-unused > @@ -10,6 +10,7 @@ Symbol table '.symtab' contains .* entries: > #... > +.: 0000000000000000 +0 +NOTYPE +LOCAL +DEFAULT +3 static_data_symbol > # ... or here ... > +# riscv targets add .riscv.attribute symbol here... > #... > .* +.: 0000000000000000 +0 +NOTYPE +GLOBAL +DEFAULT +1 text_symbol > +.: 0000000000000000 +0 +NOTYPE +GLOBAL +DEFAULT +UND external_symbol > diff --git a/gas/configure b/gas/configure > index 110d707f079..7a528fd485e 100755 > --- a/gas/configure > +++ b/gas/configure > @@ -12550,14 +12550,7 @@ _ACEOF > > > if test ${ac_default_generate_riscv_attr} = unset; then > - case ${target_os} in > - elf) > - ac_default_generate_riscv_attr=1 > - ;; > - *) > - ac_default_generate_riscv_attr=0 > - ;; > - esac > + ac_default_generate_riscv_attr=1 > fi > > > diff --git a/gas/configure.ac b/gas/configure.ac > index 78efba88e23..e2374268c56 100644 > --- a/gas/configure.ac > +++ b/gas/configure.ac > @@ -727,14 +727,7 @@ AC_DEFINE_UNQUOTED(DEFAULT_X86_USED_NOTE, > properties by default.]) > > if test ${ac_default_generate_riscv_attr} = unset; then > - case ${target_os} in > - elf) > - ac_default_generate_riscv_attr=1 > - ;; > - *) > - ac_default_generate_riscv_attr=0 > - ;; > - esac > + ac_default_generate_riscv_attr=1 > fi > > AC_DEFINE_UNQUOTED(DEFAULT_RISCV_ATTR, Reviewed-by: Palmer Dabbelt Acked-by: Palmer Dabbelt I'm assuming you have gotten commit access working?