From c65aba032ebd4899687d75d542e0d2a39e286936 Mon Sep 17 00:00:00 2001 From: Rafael Espindola Date: Fri, 14 Jun 2013 15:12:13 +0000 Subject: Move PrependMainExecutablePath next to its only user. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183980 91177308-0d34-0410-b5e6-96231b3b80d8 --- tools/bugpoint/ToolRunner.cpp | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'tools') diff --git a/tools/bugpoint/ToolRunner.cpp b/tools/bugpoint/ToolRunner.cpp index 0fea9788a6..a79248d3f7 100644 --- a/tools/bugpoint/ToolRunner.cpp +++ b/tools/bugpoint/ToolRunner.cpp @@ -230,6 +230,28 @@ int LLI::ExecuteProgram(const std::string &Bitcode, void AbstractInterpreter::anchor() { } +/// Prepend the path to the program being executed +/// to \p ExeName, given the value of argv[0] and the address of main() +/// itself. This allows us to find another LLVM tool if it is built in the same +/// directory. An empty string is returned on error; note that this function +/// just mainpulates the path and doesn't check for executability. +/// @brief Find a named executable. +static sys::Path PrependMainExecutablePath(const std::string &ExeName, + const char *Argv0, void *MainAddr) { + // Check the directory that the calling program is in. We can do + // this if ProgramPath contains at least one / character, indicating that it + // is a relative path to the executable itself. + sys::Path Result = sys::Path::GetMainExecutable(Argv0, MainAddr); + Result.eraseComponent(); + + if (!Result.isEmpty()) { + Result.appendComponent(ExeName); + Result.appendSuffix(sys::Path::GetEXESuffix()); + } + + return Result; +} + // LLI create method - Try to find the LLI executable AbstractInterpreter *AbstractInterpreter::createLLI(const char *Argv0, std::string &Message, -- cgit v1.2.3