[project @ 2003-01-29 09:54:31 by simonmar]

- re-instate setProgArgv, it is used in System.Environment (bah, could
  have sworn I grepped for it and found nothing...)

- Remove init_stack symbol from the Linker's symbol table; this is
  now static.

ghc/includes/RtsAPI.h

 /* ----------------------------------------------------------------------------
- * $Id: RtsAPI.h,v 1.32 2003/01/28 16:30:07 simonmar Exp $
+ * $Id: RtsAPI.h,v 1.33 2003/01/29 09:54:31 simonmar Exp $
  *
  * (c) The GHC Team, 1998-1999
  *
@@ -36,6 +36,7 @@ extern void startupHaskell         ( int argc, char *argv[],
 extern void shutdownHaskell        ( void );
 extern void shutdownHaskellAndExit ( int exitCode );
 extern void getProgArgv            ( int *argc, char **argv[] );
+extern void setProgArgv            ( int argc, char *argv[] );
 
 
 /* ----------------------------------------------------------------------------

ghc/rts/Linker.c

 /* -----------------------------------------------------------------------------
- * $Id: Linker.c,v 1.111 2003/01/28 17:05:32 simonmar Exp $
+ * $Id: Linker.c,v 1.112 2003/01/29 09:54:32 simonmar Exp $
  *
  * (c) The GHC Team, 2000, 2001
  *
@@ -295,7 +295,6 @@ typedef struct _RtsSymbolVal {
       Maybe_ForeignObj				\
       Maybe_Stable_Names			\
       Sym(StgReturn)				\
-      Sym(init_stack)				\
       SymX(stg_enter_info)			\
       SymX(stg_enter_ret)			\
       SymX(stg_gc_void_info)			\
@@ -444,6 +443,7 @@ typedef struct _RtsSymbolVal {
       SymX(rts_mkWord64)			\
       SymX(rts_mkWord8)				\
       SymX(run_queue_hd)			\
+      SymX(setProgArgv)				\
       SymX(startupHaskell)			\
       SymX(shutdownHaskell)			\
       SymX(shutdownHaskellAndExit)		\

ghc/rts/RtsStartup.c

 /* -----------------------------------------------------------------------------
- * $Id: RtsStartup.c,v 1.68 2003/01/28 16:30:06 simonmar Exp $
+ * $Id: RtsStartup.c,v 1.69 2003/01/29 09:54:33 simonmar Exp $
  *
  * (c) The GHC Team, 1998-2002
  *
@@ -177,9 +177,9 @@ startupHaskell(int argc, char *argv[], void (*init_root)(void))
 
 
 /* -----------------------------------------------------------------------------
-   Getting the program's arguments.
+   Getting/Setting the program's arguments.
 
-   This is used by System.Environment.getArgs.
+   These are used by System.Environment.
    -------------------------------------------------------------------------- */
 
 void
@@ -189,6 +189,18 @@ getProgArgv(int *argc, char **argv[])
     *argv = prog_argv;
 }
 
+void
+setProgArgv(int argc, char *argv[])
+{
+   /* Usually this is done by startupHaskell, so we don't need to call this. 
+      However, sometimes Hugs wants to change the arguments which Haskell
+      getArgs >>= ... will be fed.  So you can do that by calling here
+      _after_ calling startupHaskell.
+   */
+   prog_argc = argc;
+   prog_argv = argv;
+}
+
 /* -----------------------------------------------------------------------------
    Per-module initialisation