1 files changed, 132 insertions, 0 deletions
diff --git a/binutils-2.25/gas/dw2gencfi.h b/binutils-2.25/gas/dw2gencfi.h
new file mode 100644
index 00000000..7f834966
--- /dev/null
+++ b/binutils-2.25/gas/dw2gencfi.h
@@ -0,0 +1,132 @@
+/* dw2gencfi.h - Support for generating Dwarf2 CFI information.
+   Copyright 2003, 2004, 2005, 2007, 2009 Free Software Foundation, Inc.
+   Contributed by Michal Ludvig <mludvig@suse.cz>
+
+   This file is part of GAS, the GNU Assembler.
+
+   GAS is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3, or (at your option)
+   any later version.
+
+   GAS is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with GAS; see the file COPYING.  If not, write to the Free
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
+
+#ifndef DW2GENCFI_H
+#define DW2GENCFI_H
+
+#include "dwarf2.h"
+
+struct symbol;
+
+extern const pseudo_typeS cfi_pseudo_table[];
+
+/* cfi_finish() is called at the end of file. It will complain if
+   the last CFI wasn't properly closed by .cfi_endproc.  */
+extern void cfi_finish (void);
+
+/* Entry points for backends to add unwind information.  */
+extern void cfi_new_fde (struct symbol *);
+extern void cfi_end_fde (struct symbol *);
+extern void cfi_set_return_column (unsigned);
+extern void cfi_add_advance_loc (struct symbol *);
+
+extern void cfi_add_CFA_offset (unsigned, offsetT);
+extern void cfi_add_CFA_def_cfa (unsigned, offsetT);
+extern void cfi_add_CFA_register (unsigned, unsigned);
+extern void cfi_add_CFA_def_cfa_register (unsigned);
+extern void cfi_add_CFA_def_cfa_offset (offsetT);
+extern void cfi_add_CFA_restore (unsigned);
+extern void cfi_add_CFA_undefined (unsigned);
+extern void cfi_add_CFA_same_value (unsigned);
+extern void cfi_add_CFA_remember_state (void);
+extern void cfi_add_CFA_restore_state (void);
+
+/* Structures for md_cfi_end.  */
+
+#if defined (TE_PE) || defined (TE_PEP)
+#define SUPPORT_FRAME_LINKONCE 1
+#else
+#define SUPPORT_FRAME_LINKONCE 0
+#endif
+
+struct cfi_insn_data
+{
+  struct cfi_insn_data *next;
+#if SUPPORT_FRAME_LINKONCE
+  segT cur_seg;
+#endif
+  int insn;
+  union
+  {
+    struct
+    {
+      unsigned reg;
+      offsetT offset;
+    } ri;
+
+    struct
+    {
+      unsigned reg1;
+      unsigned reg2;
+    } rr;
+
+    unsigned r;
+    offsetT i;
+
+    struct
+    {
+      symbolS *lab1;
+      symbolS *lab2;
+    } ll;
+
+    struct cfi_escape_data *esc;
+
+    struct
+    {
+      unsigned reg, encoding;
+      expressionS exp;
+    } ea;
+  } u;
+};
+
+struct fde_entry
+{
+  struct fde_entry *next;
+#if SUPPORT_FRAME_LINKONCE
+  segT cur_seg;
+#endif
+  symbolS *start_address;
+  symbolS *end_address;
+  struct cfi_insn_data *data;
+  struct cfi_insn_data **last;
+  unsigned char per_encoding;
+  unsigned char lsda_encoding;
+  expressionS personality;
+  expressionS lsda;
+  unsigned int return_column;
+  unsigned int signal_frame;
+#if SUPPORT_FRAME_LINKONCE
+  int handled;
+#endif
+};
+
+/* The list of all FDEs that have been collected.  */
+extern struct fde_entry *all_fde_data;
+
+/* Fake CFI type; outside the byte range of any real CFI insn.  */
+#define CFI_adjust_cfa_offset	0x100
+#define CFI_return_column	0x101
+#define CFI_rel_offset		0x102
+#define CFI_escape		0x103
+#define CFI_signal_frame	0x104
+#define CFI_val_encoded_addr	0x105
+
+#endif /* DW2GENCFI_H */