Initial revisionmisc/cutover-egcs-1

From-SVN: r14764

1 files changed, 27 insertions, 124 deletions

diff --git a/gcc/obstack.c b/gcc/obstack.c
index 4f9a184..59b2eee 100644
--- a/gcc/obstack.c
+++ b/gcc/obstack.c
@@ -1,29 +1,19 @@
 /* obstack.c - subroutines used implicitly by object stack macros
-   Copyright (C) 1988,89,90,91,92,93,94,96,97 Free Software Foundation, Inc.
+   Copyright (C) 1988, 89, 90, 91, 92, 93, 94 Free Software Foundation, Inc.
 
-   the C library, however.  The master source lives in /gd/gnu/lib.
+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, or (at your option) any
+later version.
 
-   NOTE: The canonical source of this file is maintained with the GNU C Library.
-   Bugs can be reported to bug-glibc@prep.ai.mit.edu.
+This program 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.
 
-   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, or (at your option) any
-   later version.
-
-   This program 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 this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
-   USA.  */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
 
 #include "obstack.h"
 
@@ -77,28 +67,6 @@ union fooround {long x; double d;};
 #define COPYING_UNIT int
 #endif
 
-
-/* The functions allocating more room by calling `obstack_chunk_alloc'
-   jump to the handler pointed to by `obstack_alloc_failed_handler'.
-   This variable by default points to the internal function
-   `print_and_abort'.  */
-#if defined (__STDC__) && __STDC__
-static void print_and_abort (void);
-void (*obstack_alloc_failed_handler) (void) = print_and_abort;
-#else
-static void print_and_abort ();
-void (*obstack_alloc_failed_handler) () = print_and_abort;
-#endif
-
-/* Exit value used when `print_and_abort' is used.  */
-#if defined __GNU_LIBRARY__ || defined HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#ifndef EXIT_FAILURE
-#define EXIT_FAILURE 1
-#endif
-int obstack_exit_failure = EXIT_FAILURE;
-
 /* The non-GNU-C macros copy the obstack into this global variable
    to avoid multiple evaluation.  */
 
@@ -110,20 +78,6 @@ struct obstack *_obstack;
    For free, do not use ?:, since some compilers, like the MIPS compilers,
    do not allow (expr) ? void : void.  */
 
-#if defined (__STDC__) && __STDC__
-#define CALL_CHUNKFUN(h, size) \
-  (((h) -> use_extra_arg) \
-   ? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
-   : (*(struct _obstack_chunk *(*) (long)) (h)->chunkfun) ((size)))
-
-#define CALL_FREEFUN(h, old_chunk) \
-  do { \
-    if ((h) -> use_extra_arg) \
-      (*(h)->freefun) ((h)->extra_arg, (old_chunk)); \
-    else \
-      (*(void (*) (void *)) (h)->freefun) ((old_chunk)); \
-  } while (0)
-#else
 #define CALL_CHUNKFUN(h, size) \
   (((h) -> use_extra_arg) \
    ? (*(h)->chunkfun) ((h)->extra_arg, (size)) \
@@ -136,7 +90,6 @@ struct obstack *_obstack;
     else \
       (*(void (*) ()) (h)->freefun) ((old_chunk)); \
   } while (0)
-#endif
 
 
 /* Initialize an obstack H for use.  Specify chunk size SIZE (0 means default).
@@ -153,13 +106,8 @@ _obstack_begin (h, size, alignment, chunkfun, freefun)
      struct obstack *h;
      int size;
      int alignment;
-#if defined (__STDC__) && __STDC__
-     POINTER (*chunkfun) (long);
-     void (*freefun) (void *);
-#else
      POINTER (*chunkfun) ();
      void (*freefun) ();
-#endif
 {
   register struct _obstack_chunk *chunk; /* points to new chunk */
 
@@ -182,27 +130,25 @@ _obstack_begin (h, size, alignment, chunkfun, freefun)
       size = 4096 - extra;
     }
 
-#if defined (__STDC__) && __STDC__
-  h->chunkfun = (struct _obstack_chunk * (*)(void *, long)) chunkfun;
-  h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
-#else
   h->chunkfun = (struct _obstack_chunk * (*)()) chunkfun;
   h->freefun = freefun;
-#endif
   h->chunk_size = size;
   h->alignment_mask = alignment - 1;
   h->use_extra_arg = 0;
 
   chunk = h->chunk = CALL_CHUNKFUN (h, h -> chunk_size);
   if (!chunk)
-    (*obstack_alloc_failed_handler) ();
+    {
+      h->alloc_failed = 1;
+      return 0;
+    }
+  h->alloc_failed = 0;
   h->next_free = h->object_base = chunk->contents;
   h->chunk_limit = chunk->limit
     = (char *) chunk + h->chunk_size;
   chunk->prev = 0;
   /* The initial chunk now contains no empty object.  */
   h->maybe_empty_object = 0;
-  h->alloc_failed = 0;
   return 1;
 }
 
@@ -211,13 +157,8 @@ _obstack_begin_1 (h, size, alignment, chunkfun, freefun, arg)
      struct obstack *h;
      int size;
      int alignment;
-#if defined (__STDC__) && __STDC__
-     POINTER (*chunkfun) (POINTER, long);
-     void (*freefun) (POINTER, POINTER);
-#else
      POINTER (*chunkfun) ();
      void (*freefun) ();
-#endif
      POINTER arg;
 {
   register struct _obstack_chunk *chunk; /* points to new chunk */
@@ -241,13 +182,8 @@ _obstack_begin_1 (h, size, alignment, chunkfun, freefun, arg)
       size = 4096 - extra;
     }
 
-#if defined(__STDC__) && __STDC__
-  h->chunkfun = (struct _obstack_chunk * (*)(void *,long)) chunkfun;
-  h->freefun = (void (*) (void *, struct _obstack_chunk *)) freefun;
-#else
   h->chunkfun = (struct _obstack_chunk * (*)()) chunkfun;
   h->freefun = freefun;
-#endif
   h->chunk_size = size;
   h->alignment_mask = alignment - 1;
   h->extra_arg = arg;
@@ -255,14 +191,17 @@ _obstack_begin_1 (h, size, alignment, chunkfun, freefun, arg)
 
   chunk = h->chunk = CALL_CHUNKFUN (h, h -> chunk_size);
   if (!chunk)
-    (*obstack_alloc_failed_handler) ();
+    {
+      h->alloc_failed = 1;
+      return 0;
+    }
+  h->alloc_failed = 0;
   h->next_free = h->object_base = chunk->contents;
   h->chunk_limit = chunk->limit
     = (char *) chunk + h->chunk_size;
   chunk->prev = 0;
   /* The initial chunk now contains no empty object.  */
   h->maybe_empty_object = 0;
-  h->alloc_failed = 0;
   return 1;
 }
 
@@ -292,7 +231,11 @@ _obstack_newchunk (h, length)
   /* Allocate and initialize the new chunk.  */
   new_chunk = CALL_CHUNKFUN (h, new_size);
   if (!new_chunk)
-    (*obstack_alloc_failed_handler) ();
+    {
+      h->alloc_failed = 1;
+      return;
+    }
+  h->alloc_failed = 0;
   h->chunk = new_chunk;
   new_chunk->prev = old_chunk;
   new_chunk->limit = h->chunk_limit = (char *) new_chunk + new_size;
@@ -436,39 +379,6 @@ obstack_free (h, obj)
     abort ();
 }
 
-int
-_obstack_memory_used (h)
-     struct obstack *h;
-{
-  register struct _obstack_chunk* lp;
-  register int nbytes = 0;
-
-  for (lp = h->chunk; lp != 0; lp = lp->prev)
-    {
-      nbytes += lp->limit - (char *) lp;
-    }
-  return nbytes;
-}
-
-/* Define the error handler.  */
-#ifndef _
-# ifdef HAVE_LIBINTL_H
-#  include <libintl.h>
-#  ifndef _
-#   define _(Str) gettext (Str)
-#  endif
-# else
-#  define _(Str) (Str)
-# endif
-#endif
-
-static void
-print_and_abort ()
-{
-  fputs (_("memory exhausted\n"), stderr);
-  exit (obstack_exit_failure);
-}
-
 #if 0
 /* These are now turned off because the applications do not use it
    and it uses bcopy via obstack_grow, which causes trouble on sysV.  */
@@ -507,13 +417,6 @@ int (obstack_room) (obstack)
   return obstack_room (obstack);
 }
 
-int (obstack_make_room) (obstack, length)
-     struct obstack *obstack;
-     int length;
-{
-  return obstack_make_room (obstack, length);
-}
-
 void (obstack_grow) (obstack, pointer, length)
      struct obstack *obstack;
      POINTER pointer;