Fix Opcode generation of ld a,(bc) and ld a,(de) on target z80

[binutils-gdb.git] / bfd / syms.c

diff --git a/bfd/syms.c b/bfd/syms.c
index 6b615a2b5f4bec35c901e2f59cd423972f6b4b49..371916b9404d834e6356d21b88f0f27429c80c39 100644 (file)
--- a/bfd/syms.c
+++ b/bfd/syms.c
@@ -1,6 +1,6 @@
 /* Generic symbol-table support for the BFD library.
    Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2004
+   2000, 2001, 2002, 2003, 2004, 2007
    Free Software Foundation, Inc.
    Written by Cygnus Support.
 
@@ -8,7 +8,7 @@
 
    This program 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 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -18,7 +18,8 @@
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
 
 /*
 SECTION
@@ -288,6 +289,17 @@ CODE_FRAGMENT
 .  {* This symbol is thread local.  Used in ELF.  *}
 .#define BSF_THREAD_LOCAL  0x40000
 .
+.  {* This symbol represents a complex relocation expression,
+.     with the expression tree serialized in the symbol name.  *}
+.#define BSF_RELC 0x80000
+.
+.  {* This symbol represents a signed complex relocation expression,
+.     with the expression tree serialized in the symbol name.  *}
+.#define BSF_SRELC 0x100000
+.
+.  {* This symbol was created by bfd_get_synthetic_symtab.  *}
+.#define BSF_SYNTHETIC 0x200000
+.
 .  flagword flags;
 .
 .  {* A pointer to the section to which this symbol is
@@ -307,8 +319,8 @@ CODE_FRAGMENT
 .
 */
 
-#include "bfd.h"
 #include "sysdep.h"
+#include "bfd.h"
 #include "libbfd.h"
 #include "safe-ctype.h"
 #include "bfdlink.h"
@@ -355,7 +367,7 @@ bfd_is_local_label (bfd *abfd, asymbol *sym)
   /* The BSF_SECTION_SYM check is needed for IA-64, where every label that
      starts with '.' is local.  This would accidentally catch section names
      if we didn't reject them here.  */
-  if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_SECTION_SYM)) != 0)
+  if ((sym->flags & (BSF_GLOBAL | BSF_WEAK | BSF_FILE | BSF_SECTION_SYM)) != 0)
     return FALSE;
   if (sym->name == NULL)
     return FALSE;
@@ -380,6 +392,23 @@ DESCRIPTION
 .
 */
 
+/*
+FUNCTION
+       bfd_is_target_special_symbol
+
+SYNOPSIS
+        bfd_boolean bfd_is_target_special_symbol (bfd *abfd, asymbol *sym);
+
+DESCRIPTION
+       Return TRUE iff a symbol @var{sym} in the BFD @var{abfd} is something
+       special to the particular target represented by the BFD.  Such symbols
+       should normally not be mentioned to the user.
+
+.#define bfd_is_target_special_symbol(abfd, sym) \
+.  BFD_SEND (abfd, _bfd_is_target_special_symbol, (abfd, sym))
+.
+*/
+
 /*
 FUNCTION
        bfd_canonicalize_symtab
@@ -625,7 +654,7 @@ bfd_decode_symclass (asymbol *symbol)
 {
   char c;
 
-  if (bfd_is_com_section (symbol->section))
+  if (symbol->section && bfd_is_com_section (symbol->section))
     return 'C';
   if (bfd_is_und_section (symbol->section))
     {
@@ -963,10 +992,17 @@ _bfd_stab_section_find_nearest_line (bfd *abfd,
 
       if (info->stabsec == NULL || info->strsec == NULL)
        {
-         /* No stabs debugging information.  Set *pinfo so that we
-             can return quickly in the info != NULL case above.  */
-         *pinfo = info;
-         return TRUE;
+         /* Try SOM section names.  */
+         info->stabsec = bfd_get_section_by_name (abfd, "$GDB_SYMBOLS$");
+         info->strsec  = bfd_get_section_by_name (abfd, "$GDB_STRINGS$");
+  
+         if (info->stabsec == NULL || info->strsec == NULL)
+           {
+             /* No stabs debugging information.  Set *pinfo so that we
+                can return quickly in the info != NULL case above.  */
+             *pinfo = info;
+             return TRUE;
+           }
        }
 
       stabsize = (info->stabsec->rawsize
@@ -1016,6 +1052,10 @@ _bfd_stab_section_find_nearest_line (bfd *abfd,
              asymbol *sym;
 
              r = *pr;
+             /* Ignore R_*_NONE relocs.  */
+             if (r->howto->dst_mask == 0)
+               continue;
+
              if (r->howto->rightshift != 0
                  || r->howto->size != 2
                  || r->howto->bitsize != 32