[compiler-rt] Move allow_user_segv.cc into sanitizer_common

[vitalybuka]

Summary

Part of https://github.com/google/sanitizers/issues/637

[vitalybuka]

Comment

[vitalybuka]

Removed feature

compiler-rt/test/sanitizer_common/TestCases/Linux/allow_user_segv.cc

 // Regression test for
 // https://code.google.com/p/address-sanitizer/issues/detail?id=180
 
 // clang-format off
-// RUN: %clangxx_asan -O0 %s -o %t
+// RUN: %clangxx -O0 %s -o %t
 
-// RUN: %env_asan_opts=handle_segv=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
-// RUN: %env_asan_opts=handle_segv=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
-// RUN: %env_asan_opts=handle_segv=2 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
-
-// RUN: %env_asan_opts=handle_segv=0:allow_user_segv_handler=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
-// RUN: %env_asan_opts=handle_segv=1:allow_user_segv_handler=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
-// RUN: %env_asan_opts=handle_segv=2:allow_user_segv_handler=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
-
-// RUN: %env_asan_opts=handle_segv=0:allow_user_segv_handler=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
-// RUN: %env_asan_opts=handle_segv=1:allow_user_segv_handler=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
-// RUN: %env_asan_opts=handle_segv=2:allow_user_segv_handler=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
+// RUN: %env_tool_opts=handle_segv=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
+// RUN: %env_tool_opts=handle_segv=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
+// RUN: %env_tool_opts=handle_segv=2 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
+
+// RUN: %env_tool_opts=handle_segv=0:allow_user_segv_handler=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
+// RUN: %env_tool_opts=handle_segv=1:allow_user_segv_handler=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
+// RUN: %env_tool_opts=handle_segv=2:allow_user_segv_handler=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
+
+// RUN: %env_tool_opts=handle_segv=0:allow_user_segv_handler=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK0
+// RUN: %env_tool_opts=handle_segv=1:allow_user_segv_handler=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK1
+// RUN: %env_tool_opts=handle_segv=2:allow_user_segv_handler=1 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK2
 // clang-format on
 
+// REQUIRES: signal-handlers
+
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 
 struct sigaction original_sigaction_sigbus;
 struct sigaction original_sigaction_sigsegv;
 
 void User_OnSIGSEGV(int signum, siginfo_t *siginfo, void *context) {

compiler-rt/test/sanitizer_common/lit.common.cfg

 # -*- Python -*-
 
 # Setup source root.
 config.test_source_root = os.path.join(os.path.dirname(__file__), "TestCases")
 
 config.name = "SanitizerCommon-" + config.name_suffix
 
 default_tool_options = []
 if config.tool_name == "asan":
   tool_cflags = ["-fsanitize=address"]
   tool_options = "ASAN_OPTIONS"
+  config.available_features.add("signal-handlers")
 elif config.tool_name == "tsan":
   tool_cflags = ["-fsanitize=thread"]
   tool_options = "TSAN_OPTIONS"
 elif config.tool_name == "msan":
   tool_cflags = ["-fsanitize=memory"]
   tool_options = "MSAN_OPTIONS"
 elif config.tool_name == "lsan":
   tool_cflags = ["-fsanitize=leak"]