clang_exception.star (4553B)
1 # -*- bazel-starlark -*- 2 # Copyright 2023 The Chromium Authors 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 """workaround for exceptional clang actions. e.g. exit=137 (OOM?), 6 or DeadlineExceeded. 7 """ 8 9 load("@builtin//runtime.star", "runtime") 10 load("@builtin//struct.star", "module") 11 12 def __step_config(ctx, step_config): 13 exceptions = [ 14 { 15 # TODO: crbug.com/380755128 - Make each compile unit smaller. 16 "name": "fuzzer_large_compile", 17 "action_outs": [ 18 # keep-sorted start 19 "./obj/chrome/test/fuzzing/htmlfuzzer_proto_gen/htmlfuzzer_sub.pb.o", 20 "./obj/chrome/test/fuzzing/jsfuzzer/jsfuzzer.o", 21 "./obj/chrome/test/fuzzing/jsfuzzer_proto_gen/jsfuzzer.pb.o", 22 "./obj/chrome/test/fuzzing/jsfuzzer_proto_gen/jsfuzzer_sub.pb.o", 23 "./obj/chrome/test/fuzzing/renderer_fuzzing/renderer_in_process_mojolpm_fuzzer/renderer_in_process_mojolpm_fuzzer.o", 24 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidl_fuzzer_grammar/webidl_fuzzer_grammar.o", 25 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidl_fuzzer_grammar_proto_gen/webidl_fuzzer_grammar.pb.o", 26 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidl_in_process_fuzzer/webidl_in_process_fuzzer.o", 27 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer/webidlfuzzer.o", 28 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer/webidlfuzzer_sub0.o", 29 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer/webidlfuzzer_sub9.o", 30 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer.pb.o", 31 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub0.pb.o", 32 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub1.pb.o", 33 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub10.pb.o", 34 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub11.pb.o", 35 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub2.pb.o", 36 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub3.pb.o", 37 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub4.pb.o", 38 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub5.pb.o", 39 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub6.pb.o", 40 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub7.pb.o", 41 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub8.pb.o", 42 "./obj/chrome/test/fuzzing/webidl_fuzzing/webidlfuzzer_proto_gen/webidlfuzzer_sub9.pb.o", 43 # keep-sorted end 44 ], 45 "timeout": "15m", 46 # need 9G for debug build 47 "use_large": True, 48 }, 49 ] 50 new_rules = [] 51 for rule in step_config["rules"]: 52 if not rule["name"].endswith("/cxx"): 53 new_rules.append(rule) 54 continue 55 if "action_outs" in rule: 56 fail("unexpeced \"action_outs\" in cxx rule %s" % rule["name"]) 57 for ex in exceptions: 58 r = {} 59 r.update(rule) 60 r["name"] += "/exception/" + ex["name"] 61 outs = ex["action_outs"] 62 if runtime.os == "windows": 63 outs = [obj.removesuffix(".o") + ".obj" for obj in outs if obj.startswith("./obj/")] 64 r["action_outs"] = outs 65 if "timeout" in ex: 66 r["timeout"] = ex["timeout"] 67 if "use_large" in ex and ex["use_large"]: 68 # use `_large` variant of platform if it doesn't use default platform, 69 # i.e. mac/win case. 70 if "platform_ref" in r: 71 r["platform_ref"] = r["platform_ref"] + "_large" 72 else: 73 r["platform_ref"] = "large" 74 if r.get("handler") == "rewrite_rewrapper": 75 r["handler"] = "rewrite_rewrapper_large" 76 new_rules.append(r) 77 new_rules.append(rule) 78 step_config["rules"] = new_rules 79 return step_config 80 81 clang_exception = module( 82 "clang_exception", 83 step_config = __step_config, 84 )