From: simonpj <unknown>
Date: Fri, 26 Jan 2001 14:36:40 +0000 (+0000)
Subject: [project @ 2001-01-26 14:36:40 by simonpj]
X-Git-Tag: Approximately_9120_patches~2811
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=23b442106a77d4a2f5c8c951b43feabab63160a0;p=ghc-hetmet.git

[project @ 2001-01-26 14:36:40 by simonpj]
More comments
---

diff --git a/ghc/rts/Storage.h b/ghc/rts/Storage.h
index d85d4a0..e32e9ad 100644
--- a/ghc/rts/Storage.h
+++ b/ghc/rts/Storage.h
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: Storage.h,v 1.23 2001/01/26 14:17:01 simonpj Exp $
+ * $Id: Storage.h,v 1.24 2001/01/26 14:36:40 simonpj Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -275,6 +275,10 @@ void printMutableList(generation *gen);
 
      HEAP    Dynamically-allocated closures
 
+     USER    None of the above.  The only way USER things arise right 
+             now is when GHCi allocates a constructor info table, which
+	     it does by mallocing them.
+
    Three macros identify these three areas:
      IS_CODE(p), IS_DATA(p), HEAP_ALLOCED(p)
 
@@ -317,7 +321,7 @@ void printMutableList(generation *gen);
        TEXT_SECTION_END_MARKER   (usually _etext)
            DATA section
        DATA_SECTION_END_MARKER   (usually _end)
-           ???
+           USER section
        HEAP_BASE
            HEAP section
 
@@ -389,6 +393,9 @@ extern int is_heap_alloced(const void* x);
   walks over the "pending arguments" on its way to the next return address.
   It is called moderately often, but not as often as HEAP_ALLOCED
 
+  ToDo: LOOKS_LIKE_GHC_INFO(p) does not return True when p points to a
+  constructor info table allocated by GHCi.  We should really rename 
+  LOOKS_LIKE_GHC_INFO to LOOKS_LIKE_GHC_RETURN_INFO.
 
   Implementation
   ~~~~~~~~~~~~~~