1import("//compiler-rt/target.gni")
2
3source_set("cxx_sources") {
4  configs -= [ "//llvm/utils/gn/build:llvm_code" ]
5  configs += [ "//llvm/utils/gn/build:crt_code" ]
6  sources = [ "asan_new_delete.cpp" ]
7}
8
9if (current_os == "mac") {
10  asan_target_type = "shared_library"
11} else {
12  asan_target_type = "static_library"
13}
14
15target(asan_target_type, "asan") {
16  configs -= [ "//llvm/utils/gn/build:llvm_code" ]
17  configs += [ "//llvm/utils/gn/build:crt_code" ]
18
19  output_dir = crt_current_out_dir
20  if (current_os == "mac") {
21    output_name = "clang_rt.asan_osx_dynamic"
22  } else {
23    assert(current_os != "win", "FIXME")
24    output_name = "clang_rt.asan$crt_current_target_suffix"
25  }
26
27  deps = [
28    "//compiler-rt/lib/interception:sources",
29    "//compiler-rt/lib/lsan:common_sources",
30    "//compiler-rt/lib/sanitizer_common:sources",
31    "//compiler-rt/lib/ubsan:cxx_sources",
32    "//compiler-rt/lib/ubsan:sources",
33  ]
34
35  if (asan_target_type == "static_library") {
36    complete_static_lib = true
37    configs -= [ "//llvm/utils/gn/build:thin_archive" ]
38    deps += [ ":asan_cxx" ]
39  } else {
40    deps += [ ":cxx_sources" ]
41    defines = [ "ASAN_DYNAMIC" ]
42  }
43
44  sources = [
45    "asan_activation.cpp",
46    "asan_activation.h",
47    "asan_activation_flags.inc",
48    "asan_allocator.cpp",
49    "asan_allocator.h",
50    "asan_debugging.cpp",
51    "asan_descriptions.cpp",
52    "asan_descriptions.h",
53    "asan_errors.cpp",
54    "asan_errors.h",
55    "asan_fake_stack.cpp",
56    "asan_fake_stack.h",
57    "asan_flags.cpp",
58    "asan_flags.h",
59    "asan_flags.inc",
60    "asan_fuchsia.cpp",
61    "asan_globals.cpp",
62    "asan_globals_win.cpp",
63    "asan_init_version.h",
64    "asan_interceptors.cpp",
65    "asan_interceptors.h",
66    "asan_interceptors_memintrinsics.cpp",
67    "asan_interceptors_memintrinsics.h",
68    "asan_interface.inc",
69    "asan_interface_internal.h",
70    "asan_internal.h",
71    "asan_linux.cpp",
72    "asan_lock.h",
73    "asan_mac.cpp",
74    "asan_malloc_linux.cpp",
75    "asan_malloc_local.h",
76    "asan_malloc_mac.cpp",
77    "asan_malloc_win.cpp",
78    "asan_mapping.h",
79    "asan_mapping_myriad.h",
80    "asan_memory_profile.cpp",
81    "asan_poisoning.cpp",
82    "asan_poisoning.h",
83    "asan_posix.cpp",
84    "asan_premap_shadow.cpp",
85    "asan_premap_shadow.h",
86    "asan_report.cpp",
87    "asan_report.h",
88    "asan_rtems.cpp",
89    "asan_rtl.cpp",
90    "asan_scariness_score.h",
91    "asan_shadow_setup.cpp",
92    "asan_stack.cpp",
93    "asan_stack.h",
94    "asan_stats.cpp",
95    "asan_stats.h",
96    "asan_suppressions.cpp",
97    "asan_suppressions.h",
98    "asan_thread.cpp",
99    "asan_thread.h",
100    "asan_win.cpp",
101  ]
102  if (target_os != "mac" && target_os != "win") {
103    sources += [ "asan_interceptors_vfork.S" ]
104  }
105
106  # To be able to include sanitizer_common.
107  include_dirs = [ ".." ]
108
109  # FIXME: have SANITIZER_COMMON_CFLAGS thingy? should fno-builtin be in
110  # crt_code?
111  cflags = [ "-fno-builtin" ]
112  if (target_os != "win") {
113    cflags += [ "-ftls-model=initial-exec" ]
114  }
115
116  # FIXME: link rt dl m pthread log
117  # FIXME: dep on libcxx-headers?
118  # FIXME: add_sanitizer_rt_version_list (cf hwasan)
119  # FIXME: need libclang_rt.asan*.a.syms?
120  # FIXME: windows flags (-Zl -nodefaultlibs)
121  # FIXME: asan_blacklist.txt
122
123  if (target_os == "android") {
124    ldflags = [ "-Wl,-z,global" ]
125  }
126
127  if (target_os == "mac") {
128    # The -U flags below correspond to the add_weak_symbols() calls in CMake.
129    ldflags = [
130      "-lc++",
131      "-lc++abi",
132
133      # asan
134      "-Wl,-U,___asan_default_options",
135      "-Wl,-U,___asan_default_suppressions",
136      "-Wl,-U,___asan_on_error",
137      "-Wl,-U,___asan_set_shadow_00",
138      "-Wl,-U,___asan_set_shadow_f1",
139      "-Wl,-U,___asan_set_shadow_f2",
140      "-Wl,-U,___asan_set_shadow_f3",
141      "-Wl,-U,___asan_set_shadow_f4",
142      "-Wl,-U,___asan_set_shadow_f5",
143      "-Wl,-U,___asan_set_shadow_f6",
144      "-Wl,-U,___asan_set_shadow_f7",
145      "-Wl,-U,___asan_set_shadow_f8",
146
147      # lsan
148      "-Wl,-U,___lsan_default_options",
149      "-Wl,-U,___lsan_default_suppressions",
150      "-Wl,-U,___lsan_is_turned_off",
151
152      # ubsan
153      "-Wl,-U,___ubsan_default_options",
154
155      # sanitizer_common
156      "-Wl,-U,___sanitizer_free_hook",
157      "-Wl,-U,___sanitizer_malloc_hook",
158      "-Wl,-U,___sanitizer_report_error_summary",
159      "-Wl,-U,___sanitizer_sandbox_on_notify",
160      "-Wl,-U,___sanitizer_symbolize_code",
161      "-Wl,-U,___sanitizer_symbolize_data",
162      "-Wl,-U,___sanitizer_symbolize_demangle",
163      "-Wl,-U,___sanitizer_symbolize_flush",
164
165      # xray
166      "-Wl,-U,___start_xray_fn_idx",
167      "-Wl,-U,___start_xray_instr_map",
168      "-Wl,-U,___stop_xray_fn_idx",
169      "-Wl,-U,___stop_xray_instr_map",
170
171      # FIXME: better
172      "-Wl,-install_name,@rpath/libclang_rt.asan_osx_dynamic.dylib",
173    ]
174    # FIXME: -Wl,-rpath
175    # FIXME: codesign (??)
176  }
177}
178
179if (asan_target_type == "static_library") {
180  static_library("asan_cxx") {
181    assert(current_os != "win", "FIXME")
182    output_dir = crt_current_out_dir
183    output_name = "clang_rt.asan_cxx$crt_current_target_suffix"
184    complete_static_lib = true
185    configs -= [ "//llvm/utils/gn/build:thin_archive" ]
186    deps = [ ":cxx_sources" ]
187  }
188}
189
190# FIXME: Move these to real targets.
191source_set("unused") {
192  sources = [
193    "asan_preinit.cpp",
194    "asan_win_dll_thunk.cpp",
195    "asan_win_dynamic_runtime_thunk.cpp",
196  ]
197}
198