diff options
Diffstat (limited to 'plugins/meson.build')
| -rw-r--r-- | plugins/meson.build | 78 |
1 files changed, 53 insertions, 25 deletions
diff --git a/plugins/meson.build b/plugins/meson.build index 18a0303..62c991d 100644 --- a/plugins/meson.build +++ b/plugins/meson.build @@ -1,40 +1,68 @@ +if not get_option('plugins') + subdir_done() +endif + +qemu_plugin_symbols = configure_file( + input: files('../include/qemu/qemu-plugin.h'), + output: 'qemu-plugin.symbols', + capture: true, + command: [files('../scripts/qemu-plugin-symbols.py'), '@INPUT@']) + # Modules need more symbols than just those in plugins/qemu-plugins.symbols if not enable_modules if host_os == 'darwin' configure_file( - input: files('qemu-plugins.symbols'), + input: qemu_plugin_symbols, output: 'qemu-plugins-ld64.symbols', capture: true, command: ['sed', '-ne', 's/^[[:space:]]*\\(qemu_.*\\);/_\\1/p', '@INPUT@']) emulator_link_args += ['-Wl,-exported_symbols_list,plugins/qemu-plugins-ld64.symbols'] + elif host_os == 'windows' and meson.get_compiler('c').get_id() == 'clang' + # LLVM/lld does not support exporting specific symbols. However, it works + # out of the box with dllexport/dllimport attribute we set in the code. else - emulator_link_args += ['-Xlinker', '--dynamic-list=' + (meson.project_source_root() / 'plugins/qemu-plugins.symbols')] + emulator_link_args += ['-Xlinker', '--dynamic-list=' + qemu_plugin_symbols.full_path()] endif endif -if get_option('plugins') - if host_os == 'windows' - dlltool = find_program('dlltool', required: true) +if host_os == 'windows' + # Generate a .lib file for plugins to link against. + # First, create a .def file listing all the symbols a plugin should expect to have + # available in qemu + win32_plugin_def = configure_file( + input: qemu_plugin_symbols, + output: 'qemu_plugin_api.def', + capture: true, + command: [python, '-c', 'import fileinput, re; print("EXPORTS", end=""); [print(re.sub(r"[{};]", "", line), end="") for line in fileinput.input()]', '@INPUT@']) - # Generate a .lib file for plugins to link against. - # First, create a .def file listing all the symbols a plugin should expect to have - # available in qemu - win32_plugin_def = configure_file( - input: files('qemu-plugins.symbols'), - output: 'qemu_plugin_api.def', - capture: true, - command: ['sed', '-e', '0,/^/s//EXPORTS/; s/[{};]//g', '@INPUT@']) - # then use dlltool to assemble a delaylib. - win32_qemu_plugin_api_lib = configure_file( - input: win32_plugin_def, - output: 'libqemu_plugin_api.a', - command: [dlltool, '--input-def', '@INPUT@', - '--output-delaylib', '@OUTPUT@', '--dllname', 'qemu.exe'] - ) + # then use dlltool to assemble a delaylib. + # The delaylib will have an "imaginary" name (qemu.exe), that is used by the + # linker file we add with plugins (win32_linker.c) to identify that we want + # to find missing symbols in current program. + win32_qemu_plugin_api_link_flags = ['-Lplugins', '-lqemu_plugin_api'] + if meson.get_compiler('c').get_id() == 'clang' + # With LLVM/lld, delaylib is specified at link time (-delayload) + dlltool = find_program('llvm-dlltool', required: true) + dlltool_cmd = [dlltool, '-d', '@INPUT@', '-l', '@OUTPUT@', '-D', 'qemu.exe'] + win32_qemu_plugin_api_link_flags += ['-Wl,-delayload=qemu.exe'] + else + # With gcc/ld, delay lib is built with a specific delay parameter. + dlltool = find_program('dlltool', required: true) + dlltool_cmd = [dlltool, '--input-def', '@INPUT@', + '--output-delaylib', '@OUTPUT@', '--dllname', 'qemu.exe'] endif - specific_ss.add(files( - 'loader.c', - 'core.c', - 'api.c', - )) + win32_qemu_plugin_api_lib = configure_file( + input: win32_plugin_def, + output: 'libqemu_plugin_api.a', + command: dlltool_cmd + ) endif + +user_ss.add(files('user.c', 'api-user.c')) +system_ss.add(files('system.c', 'api-system.c')) + +user_ss.add(files('api.c', 'core.c')) +system_ss.add(files('api.c', 'core.c')) + +common_ss.add(files('loader.c')) + |