X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fdwarf2-frame.h;h=d02b26f5f530832d8df381e1c5db1426070b1b84;hb=7674d381b47f9f2411c0ca1da0c152940dc0d7bd;hp=bf7134de28f4e58ab48e80e7df8428b7d79afcb4;hpb=7b6bb8daaceb9ecf3f42dea57ae82733d6a3b2f6;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/dwarf2-frame.h b/gdb/dwarf2-frame.h
index bf7134de28..d02b26f5f5 100644
--- a/gdb/dwarf2-frame.h
+++ b/gdb/dwarf2-frame.h
@@ -1,7 +1,6 @@
 /* Frame unwinder for frames with DWARF Call Frame Information.
 
-   Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009, 2010, 2011
-   Free Software Foundation, Inc.
+   Copyright (C) 2003-2016 Free Software Foundation, Inc.
 
    Contributed by Mark Kettenis.
 
@@ -26,6 +25,9 @@
 struct gdbarch;
 struct objfile;
 struct frame_info;
+struct dwarf2_per_cu_data;
+struct agent_expr;
+struct axs_value;
 
 /* Register rule.  */
 
@@ -118,4 +120,26 @@ extern const struct frame_base *
 
 CORE_ADDR dwarf2_frame_cfa (struct frame_info *this_frame);
 
+/* Find the CFA information for PC.
+
+   Return 1 if a register is used for the CFA, or 0 if another
+   expression is used.  Throw an exception on error.
+
+   GDBARCH is the architecture to use.
+   DATA is the per-CU data.
+
+   REGNUM_OUT is an out parameter that is set to the register number.
+   OFFSET_OUT is the offset to use from this register.
+   These are only filled in when 1 is returned.
+
+   TEXT_OFFSET_OUT, CFA_START_OUT, and CFA_END_OUT describe the CFA
+   in other cases.  These are only used when 0 is returned.  */
+
+extern int dwarf2_fetch_cfa_info (struct gdbarch *gdbarch, CORE_ADDR pc,
+				  struct dwarf2_per_cu_data *data,
+				  int *regnum_out, LONGEST *offset_out,
+				  CORE_ADDR *text_offset_out,
+				  const gdb_byte **cfa_start_out,
+				  const gdb_byte **cfa_end_out);
+
 #endif /* dwarf2-frame.h */