diff mbox series

[v2,1/3] meson: specify fuzz linker script as a project arg

Message ID 20200902173652.307222-2-alxndr@bu.edu
State New
Headers show
Series [v2,1/3] meson: specify fuzz linker script as a project arg | expand

Commit Message

Alexander Bulekov Sept. 2, 2020, 5:36 p.m. UTC 
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>
---
 meson.build                  | 9 ++++++++-
 tests/qtest/fuzz/meson.build | 3 ---
 2 files changed, 8 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/meson.build b/meson.build
index 74f8ea0c2e..94413c2c25 100644
--- a/meson.build
+++ b/meson.build
@@ -40,6 +40,14 @@  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
+
 python = import('python').find_installation()
 
 link_language = meson.get_external_property('link_language', 'cpp')
@@ -1019,7 +1027,6 @@  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',