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b=b3iPHXUJ4cH78v+CO1w2EQXJuAYFhHdDScXutSWar0Uk7gCB2PPvn83dspAP2Yl5k68Y+r gIefFNQXY9psCwyeNASxKdoDEEkURlSkC3A+Jro0xRsxy/I9lmYWBVe2VvDY1/sEs5RG7y cy/ZifR1WO/kNgWuxva89/CpHUxDMV4= X-MC-Unique: cH5ezNDoOTWTSN2gkqpOfQ-1 From: Thomas Huth To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 11/19] fuzz: Make fork_fuzz.ld compatible with LLVM's LLD Date: Tue, 10 Nov 2020 12:11:24 +0100 Message-Id: <20201110111132.559399-12-thuth@redhat.com> In-Reply-To: <20201110111132.559399-1-thuth@redhat.com> References: <20201110111132.559399-1-thuth@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=thuth@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=216.205.24.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/11/10 02:00:53 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Bulekov , Cornelia Huck Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Daniele Buono LLVM's linker, LLD, supports the keyword "INSERT AFTER", starting with version 11. However, when multiple sections are defined in the same "INSERT AFTER", they are added in a reversed order, compared to BFD's LD. This patch makes fork_fuzz.ld generic enough to work with both linkers. Each section now has its own "INSERT AFTER" keyword, so proper ordering is defined between the sections added. Signed-off-by: Daniele Buono Message-Id: <20201105221905.1350-2-dbuono@linux.vnet.ibm.com> Reviewed-by: Alexander Bulekov Tested-by: Alexander Bulekov Signed-off-by: Thomas Huth --- tests/qtest/fuzz/fork_fuzz.ld | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/tests/qtest/fuzz/fork_fuzz.ld b/tests/qtest/fuzz/fork_fuzz.ld index bfb667ed06..cfb88b7fdb 100644 --- a/tests/qtest/fuzz/fork_fuzz.ld +++ b/tests/qtest/fuzz/fork_fuzz.ld @@ -16,6 +16,11 @@ SECTIONS /* Lowest stack counter */ *(__sancov_lowest_stack); } +} +INSERT AFTER .data; + +SECTIONS +{ .data.fuzz_ordered : { /* @@ -34,6 +39,11 @@ SECTIONS */ *(.bss._ZN6fuzzer3TPCE); } +} +INSERT AFTER .data.fuzz_start; + +SECTIONS +{ .data.fuzz_end : ALIGN(4K) { __FUZZ_COUNTERS_END =3D .; @@ -43,4 +53,4 @@ SECTIONS * Don't overwrite the SECTIONS in the default linker script. Instead inse= rt the * above into the default script */ -INSERT AFTER .data; +INSERT AFTER .data.fuzz_ordered; --=20 2.18.4