Add RunfilesPath to test_util

A few tests have their own ad-hoc implementations. Add a single common one.

PiperOrigin-RevId: 283601666

5 files changed, 123 insertions, 84 deletions

diff --git a/test/syscalls/linux/exec.cc b/test/syscalls/linux/exec.cc
index 581f03533..b5e0a512b 100644
--- a/test/syscalls/linux/exec.cc
+++ b/test/syscalls/linux/exec.cc
@@ -47,23 +47,14 @@ namespace testing {
 
 namespace {
 
-constexpr char kBasicWorkload[] = "exec_basic_workload";
-constexpr char kExitScript[] = "exit_script";
-constexpr char kStateWorkload[] = "exec_state_workload";
-constexpr char kProcExeWorkload[] = "exec_proc_exe_workload";
-constexpr char kAssertClosedWorkload[] = "exec_assert_closed_workload";
-constexpr char kPriorityWorkload[] = "priority_execve";
-
-std::string WorkloadPath(absl::string_view binary) {
-  std::string full_path;
-  char* test_src = getenv("TEST_SRCDIR");
-  if (test_src) {
-    full_path = JoinPath(test_src, "__main__/test/syscalls/linux", binary);
-  }
-
-  TEST_CHECK(full_path.empty() == false);
-  return full_path;
-}
+constexpr char kBasicWorkload[] = "test/syscalls/linux/exec_basic_workload";
+constexpr char kExitScript[] = "test/syscalls/linux/exit_script";
+constexpr char kStateWorkload[] = "test/syscalls/linux/exec_state_workload";
+constexpr char kProcExeWorkload[] =
+    "test/syscalls/linux/exec_proc_exe_workload";
+constexpr char kAssertClosedWorkload[] =
+    "test/syscalls/linux/exec_assert_closed_workload";
+constexpr char kPriorityWorkload[] = "test/syscalls/linux/priority_execve";
 
 constexpr char kExit42[] = "--exec_exit_42";
 constexpr char kExecWithThread[] = "--exec_exec_with_thread";
@@ -171,44 +162,44 @@ TEST(ExecTest, EmptyPath) {
 }
 
 TEST(ExecTest, Basic) {
-  CheckExec(WorkloadPath(kBasicWorkload), {WorkloadPath(kBasicWorkload)}, {},
+  CheckExec(RunfilePath(kBasicWorkload), {RunfilePath(kBasicWorkload)}, {},
             ArgEnvExitStatus(0, 0),
-            absl::StrCat(WorkloadPath(kBasicWorkload), "\n"));
+            absl::StrCat(RunfilePath(kBasicWorkload), "\n"));
 }
 
 TEST(ExecTest, OneArg) {
-  CheckExec(WorkloadPath(kBasicWorkload), {WorkloadPath(kBasicWorkload), "1"},
-            {}, ArgEnvExitStatus(1, 0),
-            absl::StrCat(WorkloadPath(kBasicWorkload), "\n1\n"));
+  CheckExec(RunfilePath(kBasicWorkload), {RunfilePath(kBasicWorkload), "1"}, {},
+            ArgEnvExitStatus(1, 0),
+            absl::StrCat(RunfilePath(kBasicWorkload), "\n1\n"));
 }
 
 TEST(ExecTest, FiveArg) {
-  CheckExec(WorkloadPath(kBasicWorkload),
-            {WorkloadPath(kBasicWorkload), "1", "2", "3", "4", "5"}, {},
+  CheckExec(RunfilePath(kBasicWorkload),
+            {RunfilePath(kBasicWorkload), "1", "2", "3", "4", "5"}, {},
             ArgEnvExitStatus(5, 0),
-            absl::StrCat(WorkloadPath(kBasicWorkload), "\n1\n2\n3\n4\n5\n"));
+            absl::StrCat(RunfilePath(kBasicWorkload), "\n1\n2\n3\n4\n5\n"));
 }
 
 TEST(ExecTest, OneEnv) {
-  CheckExec(WorkloadPath(kBasicWorkload), {WorkloadPath(kBasicWorkload)}, {"1"},
+  CheckExec(RunfilePath(kBasicWorkload), {RunfilePath(kBasicWorkload)}, {"1"},
             ArgEnvExitStatus(0, 1),
-            absl::StrCat(WorkloadPath(kBasicWorkload), "\n1\n"));
+            absl::StrCat(RunfilePath(kBasicWorkload), "\n1\n"));
 }
 
 TEST(ExecTest, FiveEnv) {
-  CheckExec(WorkloadPath(kBasicWorkload), {WorkloadPath(kBasicWorkload)},
+  CheckExec(RunfilePath(kBasicWorkload), {RunfilePath(kBasicWorkload)},
             {"1", "2", "3", "4", "5"}, ArgEnvExitStatus(0, 5),
-            absl::StrCat(WorkloadPath(kBasicWorkload), "\n1\n2\n3\n4\n5\n"));
+            absl::StrCat(RunfilePath(kBasicWorkload), "\n1\n2\n3\n4\n5\n"));
 }
 
 TEST(ExecTest, OneArgOneEnv) {
-  CheckExec(WorkloadPath(kBasicWorkload), {WorkloadPath(kBasicWorkload), "arg"},
+  CheckExec(RunfilePath(kBasicWorkload), {RunfilePath(kBasicWorkload), "arg"},
             {"env"}, ArgEnvExitStatus(1, 1),
-            absl::StrCat(WorkloadPath(kBasicWorkload), "\narg\nenv\n"));
+            absl::StrCat(RunfilePath(kBasicWorkload), "\narg\nenv\n"));
 }
 
 TEST(ExecTest, InterpreterScript) {
-  CheckExec(WorkloadPath(kExitScript), {WorkloadPath(kExitScript), "25"}, {},
+  CheckExec(RunfilePath(kExitScript), {RunfilePath(kExitScript), "25"}, {},
             ArgEnvExitStatus(25, 0), "");
 }
 
@@ -216,7 +207,7 @@ TEST(ExecTest, InterpreterScript) {
 TEST(ExecTest, InterpreterScriptArgSplit) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(), absl::StrCat("#!", link.path(), " foo bar"),
@@ -230,7 +221,7 @@ TEST(ExecTest, InterpreterScriptArgSplit) {
 TEST(ExecTest, InterpreterScriptArgvZero) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(), absl::StrCat("#!", link.path()), 0755));
@@ -244,7 +235,7 @@ TEST(ExecTest, InterpreterScriptArgvZero) {
 TEST(ExecTest, InterpreterScriptArgvZeroRelative) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(), absl::StrCat("#!", link.path()), 0755));
@@ -261,7 +252,7 @@ TEST(ExecTest, InterpreterScriptArgvZeroRelative) {
 TEST(ExecTest, InterpreterScriptArgvZeroAdded) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(), absl::StrCat("#!", link.path()), 0755));
@@ -274,7 +265,7 @@ TEST(ExecTest, InterpreterScriptArgvZeroAdded) {
 TEST(ExecTest, InterpreterScriptArgNUL) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(),
@@ -289,7 +280,7 @@ TEST(ExecTest, InterpreterScriptArgNUL) {
 TEST(ExecTest, InterpreterScriptTrailingWhitespace) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(), absl::StrCat("#!", link.path(), "  "), 0755));
@@ -302,7 +293,7 @@ TEST(ExecTest, InterpreterScriptTrailingWhitespace) {
 TEST(ExecTest, InterpreterScriptArgWhitespace) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(), absl::StrCat("#!", link.path(), "  foo"), 0755));
@@ -325,7 +316,7 @@ TEST(ExecTest, InterpreterScriptNoPath) {
 TEST(ExecTest, ExecFn) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kStateWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kStateWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(), absl::StrCat("#!", link.path(), " PrintExecFn"),
@@ -342,7 +333,7 @@ TEST(ExecTest, ExecFn) {
 }
 
 TEST(ExecTest, ExecName) {
-  std::string path = WorkloadPath(kStateWorkload);
+  std::string path = RunfilePath(kStateWorkload);
 
   CheckExec(path, {path, "PrintExecName"}, {}, ArgEnvExitStatus(0, 0),
             absl::StrCat(Basename(path).substr(0, 15), "\n"));
@@ -351,7 +342,7 @@ TEST(ExecTest, ExecName) {
 TEST(ExecTest, ExecNameScript) {
   // Symlink through /tmp to ensure the path is short enough.
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kStateWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kStateWorkload)));
 
   TempPath script = ASSERT_NO_ERRNO_AND_VALUE(TempPath::CreateFileWith(
       GetAbsoluteTestTmpdir(),
@@ -405,13 +396,13 @@ TEST(ExecStateTest, HandlerReset) {
   ASSERT_THAT(sigaction(SIGUSR1, &sa, nullptr), SyscallSucceeds());
 
   ExecveArray args = {
-      WorkloadPath(kStateWorkload),
+      RunfilePath(kStateWorkload),
       "CheckSigHandler",
       absl::StrCat(SIGUSR1),
       absl::StrCat(absl::Hex(reinterpret_cast<uintptr_t>(SIG_DFL))),
   };
 
-  CheckExec(WorkloadPath(kStateWorkload), args, {}, W_EXITCODE(0, 0), "");
+  CheckExec(RunfilePath(kStateWorkload), args, {}, W_EXITCODE(0, 0), "");
 }
 
 // Ignored signal dispositions are not reset.
@@ -421,13 +412,13 @@ TEST(ExecStateTest, IgnorePreserved) {
   ASSERT_THAT(sigaction(SIGUSR1, &sa, nullptr), SyscallSucceeds());
 
   ExecveArray args = {
-      WorkloadPath(kStateWorkload),
+      RunfilePath(kStateWorkload),
       "CheckSigHandler",
       absl::StrCat(SIGUSR1),
       absl::StrCat(absl::Hex(reinterpret_cast<uintptr_t>(SIG_IGN))),
   };
 
-  CheckExec(WorkloadPath(kStateWorkload), args, {}, W_EXITCODE(0, 0), "");
+  CheckExec(RunfilePath(kStateWorkload), args, {}, W_EXITCODE(0, 0), "");
 }
 
 // Signal masks are not reset on exec
@@ -438,12 +429,12 @@ TEST(ExecStateTest, SignalMask) {
   ASSERT_THAT(sigprocmask(SIG_BLOCK, &s, nullptr), SyscallSucceeds());
 
   ExecveArray args = {
-      WorkloadPath(kStateWorkload),
+      RunfilePath(kStateWorkload),
       "CheckSigBlocked",
       absl::StrCat(SIGUSR1),
   };
 
-  CheckExec(WorkloadPath(kStateWorkload), args, {}, W_EXITCODE(0, 0), "");
+  CheckExec(RunfilePath(kStateWorkload), args, {}, W_EXITCODE(0, 0), "");
 }
 
 // itimers persist across execve.
@@ -471,7 +462,7 @@ TEST(ExecStateTest, ItimerPreserved) {
     }
   };
 
-  std::string filename = WorkloadPath(kStateWorkload);
+  std::string filename = RunfilePath(kStateWorkload);
   ExecveArray argv = {
       filename,
       "CheckItimerEnabled",
@@ -495,8 +486,8 @@ TEST(ExecStateTest, ItimerPreserved) {
 TEST(ProcSelfExe, ChangesAcrossExecve) {
   // See exec_proc_exe_workload for more details. We simply
   // assert that the /proc/self/exe link changes across execve.
-  CheckExec(WorkloadPath(kProcExeWorkload),
-            {WorkloadPath(kProcExeWorkload),
+  CheckExec(RunfilePath(kProcExeWorkload),
+            {RunfilePath(kProcExeWorkload),
              ASSERT_NO_ERRNO_AND_VALUE(ProcessExePath(getpid()))},
             {}, W_EXITCODE(0, 0), "");
 }
@@ -507,8 +498,8 @@ TEST(ExecTest, CloexecNormalFile) {
   const FileDescriptor fd_closed_on_exec =
       ASSERT_NO_ERRNO_AND_VALUE(Open(tempFile.path(), O_RDONLY | O_CLOEXEC));
 
-  CheckExec(WorkloadPath(kAssertClosedWorkload),
-            {WorkloadPath(kAssertClosedWorkload),
+  CheckExec(RunfilePath(kAssertClosedWorkload),
+            {RunfilePath(kAssertClosedWorkload),
              absl::StrCat(fd_closed_on_exec.get())},
             {}, W_EXITCODE(0, 0), "");
 
@@ -517,10 +508,10 @@ TEST(ExecTest, CloexecNormalFile) {
   const FileDescriptor fd_open_on_exec =
       ASSERT_NO_ERRNO_AND_VALUE(Open(tempFile.path(), O_RDONLY));
 
-  CheckExec(WorkloadPath(kAssertClosedWorkload),
-            {WorkloadPath(kAssertClosedWorkload),
-             absl::StrCat(fd_open_on_exec.get())},
-            {}, W_EXITCODE(2, 0), "");
+  CheckExec(
+      RunfilePath(kAssertClosedWorkload),
+      {RunfilePath(kAssertClosedWorkload), absl::StrCat(fd_open_on_exec.get())},
+      {}, W_EXITCODE(2, 0), "");
 }
 
 TEST(ExecTest, CloexecEventfd) {
@@ -528,15 +519,15 @@ TEST(ExecTest, CloexecEventfd) {
   ASSERT_THAT(efd = eventfd(0, EFD_CLOEXEC), SyscallSucceeds());
   FileDescriptor fd(efd);
 
-  CheckExec(WorkloadPath(kAssertClosedWorkload),
-            {WorkloadPath(kAssertClosedWorkload), absl::StrCat(fd.get())}, {},
+  CheckExec(RunfilePath(kAssertClosedWorkload),
+            {RunfilePath(kAssertClosedWorkload), absl::StrCat(fd.get())}, {},
             W_EXITCODE(0, 0), "");
 }
 
 constexpr int kLinuxMaxSymlinks = 40;
 
 TEST(ExecTest, SymlinkLimitExceeded) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
 
   // Hold onto TempPath objects so they are not destructed prematurely.
   std::vector<TempPath> symlinks;
@@ -575,13 +566,13 @@ TEST(ExecTest, SymlinkLimitRefreshedForInterpreter) {
 }
 
 TEST(ExecveatTest, BasicWithFDCWD) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   CheckExecveat(AT_FDCWD, path, {path}, {}, /*flags=*/0, ArgEnvExitStatus(0, 0),
                 absl::StrCat(path, "\n"));
 }
 
 TEST(ExecveatTest, Basic) {
-  std::string absolute_path = WorkloadPath(kBasicWorkload);
+  std::string absolute_path = RunfilePath(kBasicWorkload);
   std::string parent_dir = std::string(Dirname(absolute_path));
   std::string base = std::string(Basename(absolute_path));
   const FileDescriptor dirfd =
@@ -592,7 +583,7 @@ TEST(ExecveatTest, Basic) {
 }
 
 TEST(ExecveatTest, FDNotADirectory) {
-  std::string absolute_path = WorkloadPath(kBasicWorkload);
+  std::string absolute_path = RunfilePath(kBasicWorkload);
   std::string base = std::string(Basename(absolute_path));
   const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(absolute_path, 0));
 
@@ -604,13 +595,13 @@ TEST(ExecveatTest, FDNotADirectory) {
 }
 
 TEST(ExecveatTest, AbsolutePathWithFDCWD) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   CheckExecveat(AT_FDCWD, path, {path}, {}, ArgEnvExitStatus(0, 0), 0,
                 absl::StrCat(path, "\n"));
 }
 
 TEST(ExecveatTest, AbsolutePath) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   // File descriptor should be ignored when an absolute path is given.
   const int32_t badFD = -1;
   CheckExecveat(badFD, path, {path}, {}, ArgEnvExitStatus(0, 0), 0,
@@ -618,7 +609,7 @@ TEST(ExecveatTest, AbsolutePath) {
 }
 
 TEST(ExecveatTest, EmptyPathBasic) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(path, O_PATH));
 
   CheckExecveat(fd.get(), "", {path}, {}, AT_EMPTY_PATH, ArgEnvExitStatus(0, 0),
@@ -626,7 +617,7 @@ TEST(ExecveatTest, EmptyPathBasic) {
 }
 
 TEST(ExecveatTest, EmptyPathWithDirFD) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   std::string parent_dir = std::string(Dirname(path));
   const FileDescriptor dirfd =
       ASSERT_NO_ERRNO_AND_VALUE(Open(parent_dir, O_DIRECTORY));
@@ -639,7 +630,7 @@ TEST(ExecveatTest, EmptyPathWithDirFD) {
 }
 
 TEST(ExecveatTest, EmptyPathWithoutEmptyPathFlag) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(path, O_PATH));
 
   int execve_errno;
@@ -649,7 +640,7 @@ TEST(ExecveatTest, EmptyPathWithoutEmptyPathFlag) {
 }
 
 TEST(ExecveatTest, AbsolutePathWithEmptyPathFlag) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(path, O_PATH));
 
   CheckExecveat(fd.get(), path, {path}, {}, AT_EMPTY_PATH,
@@ -657,7 +648,7 @@ TEST(ExecveatTest, AbsolutePathWithEmptyPathFlag) {
 }
 
 TEST(ExecveatTest, RelativePathWithEmptyPathFlag) {
-  std::string absolute_path = WorkloadPath(kBasicWorkload);
+  std::string absolute_path = RunfilePath(kBasicWorkload);
   std::string parent_dir = std::string(Dirname(absolute_path));
   std::string base = std::string(Basename(absolute_path));
   const FileDescriptor dirfd =
@@ -670,7 +661,7 @@ TEST(ExecveatTest, RelativePathWithEmptyPathFlag) {
 TEST(ExecveatTest, SymlinkNoFollowWithRelativePath) {
   std::string parent_dir = "/tmp";
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo(parent_dir, WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo(parent_dir, RunfilePath(kBasicWorkload)));
   const FileDescriptor dirfd =
       ASSERT_NO_ERRNO_AND_VALUE(Open(parent_dir, O_DIRECTORY));
   std::string base = std::string(Basename(link.path()));
@@ -685,7 +676,7 @@ TEST(ExecveatTest, SymlinkNoFollowWithRelativePath) {
 TEST(ExecveatTest, SymlinkNoFollowWithAbsolutePath) {
   std::string parent_dir = "/tmp";
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo(parent_dir, WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo(parent_dir, RunfilePath(kBasicWorkload)));
   std::string path = link.path();
 
   int execve_errno;
@@ -697,7 +688,7 @@ TEST(ExecveatTest, SymlinkNoFollowWithAbsolutePath) {
 
 TEST(ExecveatTest, SymlinkNoFollowAndEmptyPath) {
   TempPath link = ASSERT_NO_ERRNO_AND_VALUE(
-      TempPath::CreateSymlinkTo("/tmp", WorkloadPath(kBasicWorkload)));
+      TempPath::CreateSymlinkTo("/tmp", RunfilePath(kBasicWorkload)));
   std::string path = link.path();
   const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(path, 0));
 
@@ -723,7 +714,7 @@ TEST(ExecveatTest, SymlinkNoFollowWithNormalFile) {
 }
 
 TEST(ExecveatTest, BasicWithCloexecFD) {
-  std::string path = WorkloadPath(kBasicWorkload);
+  std::string path = RunfilePath(kBasicWorkload);
   const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(path, O_CLOEXEC));
 
   CheckExecveat(fd.get(), "", {path}, {}, AT_SYMLINK_NOFOLLOW | AT_EMPTY_PATH,
@@ -731,7 +722,7 @@ TEST(ExecveatTest, BasicWithCloexecFD) {
 }
 
 TEST(ExecveatTest, InterpreterScriptWithCloexecFD) {
-  std::string path = WorkloadPath(kExitScript);
+  std::string path = RunfilePath(kExitScript);
   const FileDescriptor fd = ASSERT_NO_ERRNO_AND_VALUE(Open(path, O_CLOEXEC));
 
   int execve_errno;
@@ -742,7 +733,7 @@ TEST(ExecveatTest, InterpreterScriptWithCloexecFD) {
 }
 
 TEST(ExecveatTest, InterpreterScriptWithCloexecDirFD) {
-  std::string absolute_path = WorkloadPath(kExitScript);
+  std::string absolute_path = RunfilePath(kExitScript);
   std::string parent_dir = std::string(Dirname(absolute_path));
   std::string base = std::string(Basename(absolute_path));
   const FileDescriptor dirfd =
@@ -775,7 +766,7 @@ TEST(GetpriorityTest, ExecveMaintainsPriority) {
 
   // Program run (priority_execve) will exit(X) where
   // X=getpriority(PRIO_PROCESS,0). Check that this exit value is prio.
-  CheckExec(WorkloadPath(kPriorityWorkload), {WorkloadPath(kPriorityWorkload)},
+  CheckExec(RunfilePath(kPriorityWorkload), {RunfilePath(kPriorityWorkload)},
             {}, W_EXITCODE(expected_exit_code, 0), "");
 }
 
diff --git a/test/syscalls/linux/sigaltstack.cc b/test/syscalls/linux/sigaltstack.cc
index 6fd3989a4..a778fa639 100644
--- a/test/syscalls/linux/sigaltstack.cc
+++ b/test/syscalls/linux/sigaltstack.cc
@@ -95,13 +95,7 @@ TEST(SigaltstackTest, ResetByExecve) {
   auto const cleanup_sigstack =
       ASSERT_NO_ERRNO_AND_VALUE(ScopedSigaltstack(stack));
 
-  std::string full_path;
-  char* test_src = getenv("TEST_SRCDIR");
-  if (test_src) {
-    full_path = JoinPath(test_src, "../../linux/sigaltstack_check");
-  }
-
-  ASSERT_FALSE(full_path.empty());
+  std::string full_path = RunfilePath("test/syscalls/linux/sigaltstack_check");
 
   pid_t child_pid = -1;
   int execve_errno = 0;
diff --git a/test/util/BUILD b/test/util/BUILD
index 4526bb3f1..cbc728159 100644
--- a/test/util/BUILD
+++ b/test/util/BUILD
@@ -237,6 +237,7 @@ cc_library(
     ] + select_for_linux(
         [
             "test_util_impl.cc",
+            "test_util_runfiles.cc",
         ],
     ),
     hdrs = ["test_util.h"],
@@ -245,6 +246,7 @@ cc_library(
         ":logging",
         ":posix_error",
         ":save_util",
+        "@bazel_tools//tools/cpp/runfiles",
         "@com_google_absl//absl/base:core_headers",
         "@com_google_absl//absl/flags:flag",
         "@com_google_absl//absl/flags:parse",
diff --git a/test/util/test_util.h b/test/util/test_util.h
index dc30575b8..ee6c2bf4d 100644
--- a/test/util/test_util.h
+++ b/test/util/test_util.h
@@ -764,6 +764,12 @@ MATCHER_P2(EquivalentWithin, target, tolerance,
   return Equivalent(arg, target, tolerance);
 }
 
+// Returns the absolute path to the a data dependency. 'path' is the runfile
+// location relative to workspace root.
+#ifdef __linux__
+std::string RunfilePath(std::string path);
+#endif
+
 void TestInit(int* argc, char*** argv);
 
 }  // namespace testing
diff --git a/test/util/test_util_runfiles.cc b/test/util/test_util_runfiles.cc
new file mode 100644
index 000000000..7210094eb
--- /dev/null
+++ b/test/util/test_util_runfiles.cc
@@ -0,0 +1,46 @@
+// Copyright 2019 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <iostream>
+#include <string>
+
+#include "test/util/fs_util.h"
+#include "test/util/test_util.h"
+#include "tools/cpp/runfiles/runfiles.h"
+
+namespace gvisor {
+namespace testing {
+
+std::string RunfilePath(std::string path) {
+  static const bazel::tools::cpp::runfiles::Runfiles* const runfiles = [] {
+    std::string error;
+    auto* runfiles =
+        bazel::tools::cpp::runfiles::Runfiles::CreateForTest(&error);
+    if (runfiles == nullptr) {
+      std::cerr << "Unable to find runfiles: " << error << std::endl;
+    }
+    return runfiles;
+  }();
+
+  if (!runfiles) {
+    // Can't find runfiles? This probably won't work, but __main__/path is our
+    // best guess.
+    return JoinPath("__main__", path);
+  }
+
+  return runfiles->Rlocation(JoinPath("__main__", path));
+}
+
+}  // namespace testing
+}  // namespace gvisor