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authorAlexander Bulekov <alxndr@bu.edu>2020-09-02 13:36:50 -0400
committerPaolo Bonzini <pbonzini@redhat.com>2020-09-08 11:43:16 +0200
commitc46f76d15869be27e5c9420f6a1733c3cfafc1a1 (patch)
tree07703f5bd6584813ea17d7f87e590ae825f91784
parent789035f1239054331b335801a06bdbef026f02e1 (diff)
downloadfocaccia-qemu-c46f76d15869be27e5c9420f6a1733c3cfafc1a1.tar.gz
focaccia-qemu-c46f76d15869be27e5c9420f6a1733c3cfafc1a1.zip
meson: specify fuzz linker script as a project arg
With this change, the fuzzer-linker script should be specified outside
any --start-group/--end-group pairs. We need this on oss-fuzz, where
partially applying the linker-script results in a linker failure

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200902173652.307222-2-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
-rw-r--r--meson.build9
-rw-r--r--tests/qtest/fuzz/meson.build3
2 files changed, 8 insertions, 4 deletions
diff --git a/meson.build b/meson.build
index 071ef2688a..64e5e8af3e 100644
--- a/meson.build
+++ b/meson.build
@@ -58,6 +58,14 @@ add_project_link_arguments(config_host['QEMU_LDFLAGS'].split(),
 add_project_arguments(config_host['QEMU_INCLUDES'].split(),
                       language: ['c', 'cpp', 'objc'])
 
+# Specify linker-script with add_project_link_arguments so that it is not placed
+# within a linker --start-group/--end-group pair
+if 'CONFIG_FUZZ' in config_host
+   add_project_link_arguments(['-Wl,-T,',
+                               (meson.current_source_dir() / 'tests/qtest/fuzz/fork_fuzz.ld')],
+                              native: false, language: ['c', 'cpp', 'objc'])
+endif
+
 link_language = meson.get_external_property('link_language', 'cpp')
 if link_language == 'cpp'
   add_languages('cpp', required: true, native: false)
@@ -1084,7 +1092,6 @@ foreach target : target_dirs
         'gui': false,
         'sources': specific_fuzz.sources(),
         'dependencies': specific_fuzz.dependencies(),
-        'link_depends': [files('tests/qtest/fuzz/fork_fuzz.ld')],
       }]
     endif
   else
diff --git a/tests/qtest/fuzz/meson.build b/tests/qtest/fuzz/meson.build
index bb0a3f271d..bcc393828e 100644
--- a/tests/qtest/fuzz/meson.build
+++ b/tests/qtest/fuzz/meson.build
@@ -6,11 +6,8 @@ specific_fuzz_ss.add(when: 'CONFIG_I440FX', if_true: files('i440fx_fuzz.c'))
 specific_fuzz_ss.add(when: 'CONFIG_VIRTIO_NET', if_true: files('virtio_net_fuzz.c'))
 specific_fuzz_ss.add(when: 'CONFIG_VIRTIO_SCSI', if_true: files('virtio_scsi_fuzz.c'))
 
-# unfortunately declare_dependency does not support link_depends, so
-# this will be duplicated in meson.build
 fork_fuzz = declare_dependency(
   link_args: ['-fsanitize=fuzzer',
-              '-Wl,-T,' + (meson.current_source_dir() / 'fork_fuzz.ld'),
               '-Wl,-wrap,qtest_inb',
               '-Wl,-wrap,qtest_inw',
               '-Wl,-wrap,qtest_inl',