Fetch and store both debug_frame and eh_frame tables.

* runtime/sym.h (_stp_module): Remove unwind_data, unwind_data_len and
  unwind_is_ehframe fields. Add debug_frame, eh_frame, debug_frame_len,
  eh_frame_len and eh_frame_addr fields.
* runtime/unwind.c: Use debug_frame and debug_frame_len instead of
  unwind_data and unwind_data_len throughout.
  (cie_for_fde): Take unwind_data and is_ehframe as direct arguments.
* runtime/unwind/unwind.h (cie_for_fde): New function declaration.
* translate.cxx (get_unwind_data): Fetch and return both debug_frame
  and eh_frame tables.
  (dump_unwindsyms): Dump both debug_frame and eh_frame tables.

1 files changed, 5 insertions, 3 deletions

diff --git a/runtime/sym.h b/runtime/sym.h
index 80c334fb..7e28ebe6 100644
--- a/runtime/sym.h
+++ b/runtime/sym.h
@@ -42,11 +42,13 @@ struct _stp_module {
   	unsigned long dwarf_module_base;
 
 	/* the stack unwind data for this module */
-	void *unwind_data;
+	void *debug_frame;
+	void *eh_frame;
 	void *unwind_hdr;	
-	uint32_t unwind_data_len;
+	uint32_t debug_frame_len;
+	uint32_t eh_frame_len;
 	uint32_t unwind_hdr_len;
-	uint32_t unwind_is_ehframe; /* unwind data comes from .eh_frame */
+	unsigned long eh_frame_addr; /* Orig load address (offset) .eh_frame */
 	/* build-id information */
 	unsigned char *build_id_bits;
 	unsigned long  build_id_offset;