Initial creation of sourceware repository

1 files changed, 0 insertions, 163 deletions

diff --git a/mmalloc/mmtrace.c b/mmalloc/mmtrace.c
deleted file mode 100644
index f3f47b4..0000000
--- a/mmalloc/mmtrace.c
+++ /dev/null
@@ -1,163 +0,0 @@
-/* More debugging hooks for `mmalloc'.
-   Copyright 1991, 1992 Free Software Foundation
-
-   Written April 2, 1991 by John Gilmore of Cygnus Support
-   Based on mcheck.c by Mike Haertel.
-   Modified Mar 1992 by Fred Fish.  (fnf@cygnus.com)
-
-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
-(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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
-
-#include <stdio.h>
-#include "mmalloc.h"
-
-#ifndef	__GNU_LIBRARY__
-extern char *getenv ();
-#endif
-
-static FILE *mallstream;
-
-#if 0	/* FIXME:  Disabled for now. */
-static char mallenv[] = "MALLOC_TRACE";
-static char mallbuf[BUFSIZ];	/* Buffer for the output.  */
-#endif
-
-/* Address to breakpoint on accesses to... */
-static PTR mallwatch;
-
-/* Old hook values.  */
-
-static void (*old_mfree_hook) PARAMS ((PTR, PTR));
-static PTR (*old_mmalloc_hook) PARAMS ((PTR, size_t));
-static PTR (*old_mrealloc_hook) PARAMS ((PTR, PTR, size_t));
-
-/* This function is called when the block being alloc'd, realloc'd, or
-   freed has an address matching the variable "mallwatch".  In a debugger,
-   set "mallwatch" to the address of interest, then put a breakpoint on
-   tr_break.  */
-
-static void
-tr_break ()
-{
-}
-
-static void
-tr_freehook (md, ptr)
-  PTR md;
-  PTR ptr;
-{
-  struct mdesc *mdp;
-
-  mdp = MD_TO_MDP (md);
-  /* Be sure to print it first.  */
-  (void) fprintf (mallstream, "- %08x\n", (unsigned int) ptr);
-  if (ptr == mallwatch)
-    tr_break ();
-  mdp -> mfree_hook = old_mfree_hook;
-  mfree (md, ptr);
-  mdp -> mfree_hook = tr_freehook;
-}
-
-static PTR
-tr_mallochook (md, size)
-  PTR md;
-  size_t size;
-{
-  PTR hdr;
-  struct mdesc *mdp;
-
-  mdp = MD_TO_MDP (md);
-  mdp -> mmalloc_hook = old_mmalloc_hook;
-  hdr = (PTR) mmalloc (md, size);
-  mdp -> mmalloc_hook = tr_mallochook;
-
-  /* We could be printing a NULL here; that's OK.  */
-  (void) fprintf (mallstream, "+ %08x %x\n", (unsigned int) hdr, size);
-
-  if (hdr == mallwatch)
-    tr_break ();
-
-  return (hdr);
-}
-
-static PTR
-tr_reallochook (md, ptr, size)
-  PTR md;
-  PTR ptr;
-  size_t size;
-{
-  PTR hdr;
-  struct mdesc *mdp;
-
-  mdp = MD_TO_MDP (md);
-
-  if (ptr == mallwatch)
-    tr_break ();
-
-  mdp -> mfree_hook = old_mfree_hook;
-  mdp -> mmalloc_hook = old_mmalloc_hook;
-  mdp -> mrealloc_hook = old_mrealloc_hook;
-  hdr = (PTR) mrealloc (md, ptr, size);
-  mdp -> mfree_hook = tr_freehook;
-  mdp -> mmalloc_hook = tr_mallochook;
-  mdp -> mrealloc_hook = tr_reallochook;
-  if (hdr == NULL)
-    /* Failed realloc.  */
-    (void) fprintf (mallstream, "! %08x %x\n", (unsigned int) ptr, size);
-  else
-    (void) fprintf (mallstream, "< %08x\n> %08x %x\n", (unsigned int) ptr,
-		    (unsigned int) hdr, size);
-
-  if (hdr == mallwatch)
-    tr_break ();
-
-  return hdr;
-}
-
-/* We enable tracing if either the environment variable MALLOC_TRACE
-   is set, or if the variable mallwatch has been patched to an address
-   that the debugging user wants us to stop on.  When patching mallwatch,
-   don't forget to set a breakpoint on tr_break!  */
-
-int
-mmtrace ()
-{
-#if 0	/* FIXME!  This is disabled for now until we figure out how to
-	   maintain a stack of hooks per heap, since we might have other
-	   hooks (such as set by mmcheck) active also. */
-  char *mallfile;
-
-  mallfile = getenv (mallenv);
-  if (mallfile  != NULL || mallwatch != NULL)
-    {
-      mallstream = fopen (mallfile != NULL ? mallfile : "/dev/null", "w");
-      if (mallstream != NULL)
-	{
-	  /* Be sure it doesn't mmalloc its buffer!  */
-	  setbuf (mallstream, mallbuf);
-	  (void) fprintf (mallstream, "= Start\n");
-	  old_mfree_hook = mdp -> mfree_hook;
-	  mdp -> mfree_hook = tr_freehook;
-	  old_mmalloc_hook = mdp -> mmalloc_hook;
-	  mdp -> mmalloc_hook = tr_mallochook;
-	  old_mrealloc_hook = mdp -> mrealloc_hook;
-	  mdp -> mrealloc_hook = tr_reallochook;
-	}
-    }
-
-#endif	/* 0 */
-
-  return (1);
-}
-