compiler: Add pkgpath symbol information to export data.

This adds the pkgpath symbol to the export data whenever it is
needed--whenever the pkgpath symbol is not the obvious
transformation of the pkgpath.  This lets us determine the
correct symbol name for indirectly imported packages compiled
with -fgo-prefix.

From-SVN: r220291

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/go/gofrontend/export.h b/gcc/go/gofrontend/export.h
index c010a14..0526e9a 100644
--- a/gcc/go/gofrontend/export.h
+++ b/gcc/go/gofrontend/export.h
@@ -120,6 +120,7 @@ class Export : public String_dump
   // PREFIX is the package prefix.  PKGPATH is the package path.
   // Only one of PREFIX and PKGPATH will be non-empty.
   // PACKAGE_PRIORITY is the priority to use for this package.
+  // PACKAGES is all the packages we have seen.
   // IMPORTS is the explicitly imported packages.
   // IMPORT_INIT_FN is the name of the import initialization function
   // for this package; it will be empty if none is needed.
@@ -130,6 +131,7 @@ class Export : public String_dump
 		 const std::string& prefix,
 		 const std::string& pkgpath,
 		 int package_priority,
+		 const std::map<std::string, Package*>& packages,
 		 const std::map<std::string, Package*>& imports,
 		 const std::string& import_init_fn,
 		 const std::set<Import_init>& imported_init_fns,
@@ -163,6 +165,10 @@ class Export : public String_dump
   Export(const Export&);
   Export& operator=(const Export&);
 
+  // Write out all known packages.
+  void
+  write_packages(const std::map<std::string, Package*>& packages);
+
   // Write out the imported packages.
   void
   write_imports(const std::map<std::string, Package*>& imports);