*** empty log message ***

[binutils.git] / ld / ldexp.h

diff --git a/ld/ldexp.h b/ld/ldexp.h
index b8e8ddf6f82f4e48f0ad1cbd59abeb280d3d259f..fed3a0da44c9e2d62f7f944a6549b82ad7b3d8e1 100644 (file)
--- a/ld/ldexp.h
+++ b/ld/ldexp.h
@@ -1,5 +1,6 @@
 /* ldexp.h -
-   Copyright 1991, 92, 93, 94, 95, 1998 Free Software Foundation, Inc.
+   Copyright 1991, 1992, 1993, 1994, 1995, 1998, 1999, 2000, 2001, 2002,
+   2003, 2004, 2005 Free Software Foundation, Inc.
 
    This file is part of GLD, the Gnu Linker.
 
@@ -15,42 +16,37 @@
 
    You should have received a copy of the GNU General Public License
    along with GLD; see the file COPYING.  If not, write to the Free
-   Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-   02111-1307, USA.  */
+   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
+   02110-1301, USA.  */
 
 #ifndef LDEXP_H
 #define LDEXP_H
 
 /* The result of an expression tree */
-typedef struct 
-{
+typedef struct {
   bfd_vma value;
-  struct lang_output_section_statement_struct *section;
-  boolean valid_p;
+  char *str;
+  asection *section;
+  bfd_boolean valid_p;
 } etree_value_type;
 
-
-
-typedef struct 
-{
+typedef struct {
   int node_code;
-  enum { etree_binary,
-          etree_trinary,
-          etree_unary,
-          etree_name,
-          etree_assign,
-          etree_provide,
-          etree_undef,
-          etree_unspec,
-          etree_value,
-          etree_assert,
-          etree_rel } node_class;
+  enum {
+    etree_binary,
+    etree_trinary,
+    etree_unary,
+    etree_name,
+    etree_assign,
+    etree_provide,
+    etree_provided,
+    etree_value,
+    etree_assert,
+    etree_rel
+  } node_class;
 } node_type;
 
-
-
-typedef union etree_union 
-{
+typedef union etree_union {
   node_type type;
   struct {
     node_type type;
@@ -65,21 +61,22 @@ typedef union etree_union
   } trinary;
   struct {
     node_type type;
-    CONST char *dst;
+    const char *dst;
     union etree_union *src;
+    bfd_boolean hidden;
   } assign;
-
   struct {
     node_type type;
-    union   etree_union *child;
+    union etree_union *child;
   } unary;
   struct {
     node_type type;
-   CONST char *name;
+    const char *name;
   } name;
   struct {
     node_type type;
     bfd_vma value;
+    char *str;
   } value;
   struct {
     node_type type;
@@ -93,24 +90,94 @@ typedef union etree_union
   } assert_s;
 } etree_type;
 
+typedef enum {
+  lang_first_phase_enum,
+  lang_mark_phase_enum,
+  lang_allocating_phase_enum,
+  lang_final_phase_enum
+} lang_phase_type;
 
-etree_type *exp_intop PARAMS ((bfd_vma));
-etree_type *exp_relop PARAMS ((asection *, bfd_vma));
-etree_value_type invalid PARAMS ((void));
-etree_value_type exp_fold_tree PARAMS ((etree_type *, struct
-                                       lang_output_section_statement_struct *,
-                                       lang_phase_type,
-                                       bfd_vma, bfd_vma *));
-etree_type *exp_binop PARAMS ((int, etree_type *, etree_type *));
-etree_type *exp_trinop PARAMS ((int,etree_type *, etree_type *, etree_type *));
-etree_type *exp_unop PARAMS ((int, etree_type *));
-etree_type *exp_nameop PARAMS ((int, CONST char *));
-etree_type *exp_assop PARAMS ((int, CONST char *, etree_type *));
-etree_type *exp_provide PARAMS ((const char *, etree_type *));
-etree_type *exp_assert PARAMS ((etree_type *, const char *));
-void exp_print_tree PARAMS ((etree_type *));
-bfd_vma exp_get_vma PARAMS ((etree_type *, bfd_vma, char *, lang_phase_type));
-int exp_get_value_int PARAMS ((etree_type *, int, char *,lang_phase_type));
-bfd_vma exp_get_abs_int PARAMS ((etree_type *, int, char *,lang_phase_type));
+struct ldexp_control {
+  /* Modify expression evaluation depending on this.  */
+  lang_phase_type phase;
+
+  /* Principally used for diagnostics.  */
+  bfd_boolean assigning_to_dot;
+
+  /* Working results.  */
+  etree_value_type result;
+  bfd_vma dot;
+
+  /* Current dot and section passed to ldexp folder.  */
+  bfd_vma *dotp;
+  asection *section;
+
+  /* State machine and results for DATASEG.  */
+  struct {
+    enum {
+      exp_dataseg_none,
+      exp_dataseg_align_seen,
+      exp_dataseg_relro_seen,
+      exp_dataseg_end_seen,
+      exp_dataseg_relro_adjust,
+      exp_dataseg_adjust
+    } phase;
+
+    bfd_vma base, min_base, relro_end, end, pagesize, maxpagesize;
+  } dataseg;
+};
+
+extern struct ldexp_control expld;
+
+/* A maps from a segment name to a base address.  */
+typedef struct segment_struct {
+  /* The next segment in the linked list.  */
+  struct segment_struct *next;
+  /* The name of the sgement.  */
+  const char *name;
+  /* The base address for the segment.  */
+  bfd_vma value;
+  /* True if a SEGMENT_START directive corresponding to this segment
+     has been seen.  */
+  bfd_boolean used;
+} segment_type;
+
+/* The segments specified by the user on the command-line.  */
+extern segment_type *segments;
+
+typedef struct _fill_type fill_type;
+
+etree_type *exp_intop
+  (bfd_vma);
+etree_type *exp_bigintop
+  (bfd_vma, char *);
+etree_type *exp_relop
+  (asection *, bfd_vma);
+void exp_fold_tree
+  (etree_type *, asection *, bfd_vma *);
+etree_type *exp_binop
+  (int, etree_type *, etree_type *);
+etree_type *exp_trinop
+  (int,etree_type *, etree_type *, etree_type *);
+etree_type *exp_unop
+  (int, etree_type *);
+etree_type *exp_nameop
+  (int, const char *);
+etree_type *exp_assop
+  (int, const char *, etree_type *);
+etree_type *exp_provide
+  (const char *, etree_type *, bfd_boolean);
+etree_type *exp_assert
+  (etree_type *, const char *);
+void exp_print_tree
+  (etree_type *);
+bfd_vma exp_get_vma
+  (etree_type *, bfd_vma, char *);
+int exp_get_value_int
+  (etree_type *, int, char *);
+fill_type *exp_get_fill
+  (etree_type *, fill_type *, char *);
+bfd_vma exp_get_abs_int
+  (etree_type *, int, char *);
 
 #endif