Add support to GDB for the Renesas rl78 architecture.

[external/binutils.git] / gas / stabs.c

diff --git a/gas/stabs.c b/gas/stabs.c
index c63702f..e0594fa 100644 (file)
--- a/gas/stabs.c
+++ b/gas/stabs.c
@@ -1,25 +1,26 @@
 /* Generic stabs parsing for gas.
    Copyright 1989, 1990, 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2001
-   2002, 2003, 2004 Free Software Foundation, Inc.
+   2002, 2003, 2004, 2005, 2007, 2009  Free Software Foundation, Inc.
 
-This file is part of GAS, the GNU Assembler.
+   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) any later version.
+   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.
+   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, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA.  */
+   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.  */
 
 #include "as.h"
+#include "filenames.h"
 #include "obstack.h"
 #include "subsegs.h"
 #include "ecoff.h"
@@ -107,11 +108,9 @@ get_stab_string_offset (const char *string, const char *stabstr_secname)
       p = frag_more (1);
       *p = 0;
       retval = seg_info (seg)->stabu.stab_string_size = 1;
-#ifdef BFD_ASSEMBLER
       bfd_set_section_flags (stdoutput, seg, SEC_READONLY | SEC_DEBUGGING);
       if (seg->name == stabstr_secname)
        seg->name = xstrdup (stabstr_secname);
-#endif
     }
 
   if (length > 0)
@@ -150,11 +149,10 @@ aout_process_stab (what, string, type, other, desc)
      ends in "\" and the debug info is continued in the next .stabs
      directive) from being separated by other random symbols.  */
   symbol = symbol_create (string, undefined_section, 0,
-                         (struct frag *) NULL);
+                         &zero_address_frag);
   if (what == 's' || what == 'n')
     {
       /* Pick up the value from the input line.  */
-      symbol_set_frag (symbol, &zero_address_frag);
       pseudo_set (symbol);
     }
   else
@@ -167,6 +165,8 @@ aout_process_stab (what, string, type, other, desc)
 
   symbol_append (symbol, symbol_lastP, &symbol_rootP, &symbol_lastP);
 
+  symbol_get_bfdsym (symbol)->flags |= BSF_DEBUGGING;
+
   S_SET_TYPE (symbol, type);
   S_SET_OTHER (symbol, other);
   S_SET_DESC (symbol, desc);
@@ -332,10 +332,8 @@ s_stab_generic (int what, char *stab_secname, char *stabstr_secname)
 
       if (! seg_info (seg)->hadone)
        {
-#ifdef BFD_ASSEMBLER
          bfd_set_section_flags (stdoutput, seg,
                                 SEC_READONLY | SEC_RELOC | SEC_DEBUGGING);
-#endif
 #ifdef INIT_STAB_SECTION
          INIT_STAB_SECTION (seg);
 #endif
@@ -497,12 +495,14 @@ stabs_generate_asm_file (void)
   as_where (&file, &lineno);
   if (use_gnu_debug_info_extensions)
     {
-      char *dir, *dir2;
+      const char *dir;
+      char *dir2;
 
-      dir = getpwd ();
-      dir2 = alloca (strlen (dir) + 2);
+      dir = remap_debug_filename (getpwd ());
+      dir2 = (char *) alloca (strlen (dir) + 2);
       sprintf (dir2, "%s%s", dir, "/");
       generate_asm_file (N_SO, dir2);
+      xfree ((char *) dir);
     }
   generate_asm_file (N_SO, file);
 }
@@ -519,11 +519,11 @@ generate_asm_file (int type, char *file)
   char sym[30];
   char *buf;
   char *tmp = file;
-  char *endp = file + strlen (file);
+  char *file_endp = file + strlen (file);
   char *bufp;
 
   if (last_file != NULL
-      && strcmp (last_file, file) == 0)
+      && filename_cmp (last_file, file) == 0)
     return;
 
   /* Rather than try to do this in some efficient fashion, we just
@@ -538,11 +538,11 @@ generate_asm_file (int type, char *file)
   /* Allocate enough space for the file name (possibly extended with
      doubled up backslashes), the symbol name, and the other characters
      that make up a stabs file directive.  */
-  bufp = buf = xmalloc (2 * strlen (file) + strlen (sym) + 12);
+  bufp = buf = (char *) xmalloc (2 * strlen (file) + strlen (sym) + 12);
 
   *bufp++ = '"';
 
-  while (tmp < endp)
+  while (tmp < file_endp)
     {
       char *bslash = strchr (tmp, '\\');
       size_t len = (bslash) ? (size_t) (bslash - tmp + 1) : strlen (tmp);
@@ -607,7 +607,7 @@ stabs_generate_asm_lineno (void)
       prev_lineno = lineno;
     }
   else if (lineno == prev_lineno
-          && strcmp (file, prev_file) == 0)
+          && filename_cmp (file, prev_file) == 0)
     {
       /* Same file/line as last time.  */
       return;
@@ -616,7 +616,7 @@ stabs_generate_asm_lineno (void)
     {
       /* Remember file/line for next time.  */
       prev_lineno = lineno;
-      if (strcmp (file, prev_file) != 0)
+      if (filename_cmp (file, prev_file) != 0)
        {
          free (prev_file);
          prev_file = xstrdup (file);
@@ -671,8 +671,9 @@ stabs_generate_asm_func (const char *funcname, const char *startlabname)
     }
 
   as_where (&file, &lineno);
-  asprintf (&buf, "\"%s:F1\",%d,0,%d,%s",
-           funcname, N_FUN, lineno + 1, startlabname);
+  if (asprintf (&buf, "\"%s:F1\",%d,0,%d,%s",
+               funcname, N_FUN, lineno + 1, startlabname) == -1)
+    as_fatal ("%s", xstrerror (errno));
   input_line_pointer = buf;
   s_stab ('s');
   free (buf);
@@ -697,7 +698,8 @@ stabs_generate_asm_endfunc (const char *funcname ATTRIBUTE_UNUSED,
   ++label_count;
   colon (sym);
 
-  asprintf (&buf, "\"\",%d,0,0,%s-%s", N_FUN, sym, startlabname);
+  if (asprintf (&buf, "\"\",%d,0,0,%s-%s", N_FUN, sym, startlabname) == -1)
+    as_fatal ("%s", xstrerror (errno));
   input_line_pointer = buf;
   s_stab ('s');
   free (buf);