Add new API to SBTarget class

Summary:
The new API appends an image search path to the
target's path mapping list.

Reviewers: aprantl, clayborg, labath

Reviewed By: aprantl

Subscribers: ki.stfu, lldb-commits

Differential Revision: https://reviews.llvm.org/D49739

llvm-svn: 339175

lldb/include/lldb/API/SBTarget.h

@@ -272,6 +272,9 @@ public:
 
   lldb::SBFileSpec GetExecutable();
 
+  void AppendImageSearchPath(const char *from, const char *to,
+                             lldb::SBError &error);
+
   bool AddModule(lldb::SBModule &module);
 
   lldb::SBModule AddModule(const char *path, const char *triple,

lldb/scripts/interface/SBTarget.i

@@ -373,6 +373,11 @@ public:
     lldb::SBFileSpec
     GetExecutable ();
 
+    void
+    AppendImageSearchPath (const char *from,
+                           const char *to,
+                           SBError &error);
+
     bool
     AddModule (lldb::SBModule &module);
 

lldb/source/API/SBTarget.cpp

@@ -1457,6 +1457,26 @@ bool SBTarget::DeleteAllWatchpoints() {
   return false;
 }
 
+void SBTarget::AppendImageSearchPath(const char *from, const char *to,
+                                     lldb::SBError &error) {
+  TargetSP target_sp(GetSP());
+  if (!target_sp)
+    return error.SetErrorString("invalid target");
+
+  const ConstString csFrom(from), csTo(to);
+  if (!csFrom)
+    return error.SetErrorString("<from> path can't be empty");
+  if (!csTo)
+    return error.SetErrorString("<to> path can't be empty");
+
+  Log *log(lldb_private::GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));
+  if (log)
+    log->Printf("SBTarget(%p)::%s: '%s' -> '%s'",
+                static_cast<void *>(target_sp.get()),  __FUNCTION__,
+                from, to);
+  target_sp->GetImageSearchPathList().Append(csFrom, csTo, true);
+}
+
 lldb::SBModule SBTarget::AddModule(const char *path, const char *triple,
                                    const char *uuid_cstr) {
   return AddModule(path, triple, uuid_cstr, NULL);