gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gas / frags.h

diff --git a/gas/frags.h b/gas/frags.h
index e6c617091916535e8d2b7341d4f7cb944141914f..39005ae71bc93f8a4985641dbd82b018f78ea0c1 100644 (file)
--- a/gas/frags.h
+++ b/gas/frags.h
@@ -1,12 +1,11 @@
 /* frags.h - Header file for the frag concept.
-   Copyright 1987, 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2001,
-   2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 1987-2020 Free Software Foundation, Inc.
 
    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 2, or (at your option)
+   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,
@@ -46,7 +45,7 @@ struct frag {
   addressT last_fr_address;
 
   /* (Fixed) number of octets we know we have.  May be 0.  */
-  offsetT fr_fix;
+  valueT fr_fix;
   /* May be used for (Variable) number of octets after above.
      The generic frag handling code no longer makes any use of fr_var.  */
   offsetT fr_var;
@@ -61,13 +60,17 @@ struct frag {
   struct frag *fr_next;
 
   /* Where the frag was created, or where it became a variant frag.  */
-  char *fr_file;
+  const char *fr_file;
   unsigned int fr_line;
 
 #ifndef NO_LISTING
   struct list_info_struct *line;
 #endif
 
+  /* A serial number for a sequence of frags having at most one alignment
+     or org frag, and that at the tail of the sequence.  */
+  unsigned int region:16;
+
   /* Flipped each relax pass so we can easily determine whether
      fr_address has been adjusted.  */
   unsigned int relax_marker:1;
@@ -96,6 +99,9 @@ struct frag {
 #ifdef TC_FRAG_TYPE
   TC_FRAG_TYPE tc_frag_data;
 #endif
+#ifdef OBJ_FRAG_TYPE
+  OBJ_FRAG_TYPE obj_frag_data;
+#endif
 
   /* Data begins here.  */
   char fr_literal[1];
@@ -114,38 +120,44 @@ extern addressT frag_now_fix_octets (void);
 
 /* For foreign-segment symbol fixups.  */
 COMMON fragS zero_address_frag;
-/* For local common (N_BSS segment) fixups.  */
-COMMON fragS bss_address_frag;
+COMMON fragS predefined_address_frag;
 
 extern void frag_append_1_char (int);
 #define FRAG_APPEND_1_CHAR(X) frag_append_1_char (X)
 
 void frag_init (void);
 fragS *frag_alloc (struct obstack *);
-void frag_grow (unsigned int nchars);
-char *frag_more (int nchars);
+void frag_grow (size_t nchars);
+char *frag_more (size_t nchars);
 void frag_align (int alignment, int fill_character, int max);
 void frag_align_pattern (int alignment, const char *fill_pattern,
-                        int n_fill, int max);
+                        size_t n_fill, int max);
 void frag_align_code (int alignment, int max);
-void frag_new (int old_frags_var_max_size);
+void frag_new (size_t old_frags_var_max_size);
 void frag_wane (fragS * fragP);
-int frag_room (void);
+size_t frag_room (void);
 
 char *frag_variant (relax_stateT type,
-                   int max_chars,
-                   int var,
+                   size_t max_chars,
+                   size_t var,
                    relax_substateT subtype,
                    symbolS * symbol,
                    offsetT offset,
                    char *opcode);
 
 char *frag_var (relax_stateT type,
-               int max_chars,
-               int var,
+               size_t max_chars,
+               size_t var,
                relax_substateT subtype,
                symbolS * symbol,
                offsetT offset,
                char *opcode);
 
+bfd_boolean frag_offset_fixed_p (const fragS *, const fragS *, offsetT *);
+bfd_boolean frag_gtoffset_p (valueT, const fragS *, valueT, const fragS *,
+                            offsetT *);
+
+int get_frag_count (void);
+void clear_frag_count (void);
+
 #endif /* FRAGS_H */