Add support in the LTO library for loading an object from the middle

of an file.

llvm-svn: 127781

1 files changed, 9 insertions, 1 deletions

diff --git a/llvm/include/llvm-c/lto.h b/llvm/include/llvm-c/lto.h
index 1c42ce0cec7..be08c4eb196 100644
--- a/llvm/include/llvm-c/lto.h
+++ b/llvm/include/llvm-c/lto.h
@@ -127,7 +127,15 @@ lto_module_create_from_memory(const void* mem, size_t length);
  * Returns NULL on error (check lto_get_error_message() for details).
  */
 extern lto_module_t
-lto_module_create_from_fd(int fd, const char *path, off_t size);
+lto_module_create_from_fd(int fd, const char *path, size_t file_size);
+
+/**
+ * Loads an object file from disk. The seek point of fd is not preserved.
+ * Returns NULL on error (check lto_get_error_message() for details).
+ */
+extern lto_module_t
+lto_module_create_from_fd_at_offset(int fd, const char *path, size_t file_size,
+                                    size_t map_size, off_t offset);
 
 
 /**