xref: /qemu/plugins/meson.build (revision 30ee88622edfa962154222b4a674361488ed823b)
1if not get_option('plugins')
2  subdir_done()
3endif
4
5qemu_plugin_symbols = configure_file(
6  input: files('../include/qemu/qemu-plugin.h'),
7  output: 'qemu-plugin.symbols',
8  capture: true,
9  command: [files('../scripts/qemu-plugin-symbols.py'), '@INPUT@'])
10
11# Modules need more symbols than just those in plugins/qemu-plugins.symbols
12if not enable_modules
13  if host_os == 'darwin'
14    configure_file(
15      input: qemu_plugin_symbols,
16      output: 'qemu-plugins-ld64.symbols',
17      capture: true,
18      command: ['sed', '-ne', 's/^[[:space:]]*\\(qemu_.*\\);/_\\1/p', '@INPUT@'])
19    emulator_link_args += ['-Wl,-exported_symbols_list,plugins/qemu-plugins-ld64.symbols']
20  elif host_os == 'windows' and meson.get_compiler('c').get_id() == 'clang'
21    # LLVM/lld does not support exporting specific symbols. However, it works
22    # out of the box with dllexport/dllimport attribute we set in the code.
23  else
24    emulator_link_args += ['-Xlinker', '--dynamic-list=' + qemu_plugin_symbols.full_path()]
25  endif
26endif
27
28if host_os == 'windows'
29  # Generate a .lib file for plugins to link against.
30  # First, create a .def file listing all the symbols a plugin should expect to have
31  # available in qemu
32  win32_plugin_def = configure_file(
33    input: qemu_plugin_symbols,
34    output: 'qemu_plugin_api.def',
35    capture: true,
36    command: ['sed', '-e', '0,/^/s//EXPORTS/; s/[{};]//g', '@INPUT@'])
37
38  # then use dlltool to assemble a delaylib.
39  # The delaylib will have an "imaginary" name (qemu.exe), that is used by the
40  # linker file we add with plugins (win32_linker.c) to identify that we want
41  # to find missing symbols in current program.
42  win32_qemu_plugin_api_link_flags = ['-Lplugins', '-lqemu_plugin_api']
43  if meson.get_compiler('c').get_id() == 'clang'
44    # With LLVM/lld, delaylib is specified at link time (-delayload)
45    dlltool = find_program('llvm-dlltool', required: true)
46    dlltool_cmd = [dlltool, '-d', '@INPUT@', '-l', '@OUTPUT@', '-D', 'qemu.exe']
47    win32_qemu_plugin_api_link_flags += ['-Wl,-delayload=qemu.exe']
48  else
49    # With gcc/ld, delay lib is built with a specific delay parameter.
50    dlltool = find_program('dlltool', required: true)
51    dlltool_cmd = [dlltool, '--input-def', '@INPUT@',
52                   '--output-delaylib', '@OUTPUT@', '--dllname', 'qemu.exe']
53  endif
54  win32_qemu_plugin_api_lib = configure_file(
55    input: win32_plugin_def,
56    output: 'libqemu_plugin_api.a',
57    command: dlltool_cmd
58  )
59endif
60specific_ss.add(files(
61  'loader.c',
62  'core.c',
63  'api.c',
64))
65