From adb563c47117279e1e7ac1c538c80b219ac27312 Mon Sep 17 00:00:00 2001
From: Hans-Peter Nilsson <hp@bitrange.com>
Date: Mon, 8 Apr 2002 22:20:39 +0000
Subject: [PATCH] Make-lang.in (f/target.o): Depend on diagnostic.h.

	* Make-lang.in (f/target.o): Depend on diagnostic.h.
	* target.c: Include diagnostic.h.
 	(ffetarget_memcpy_): Call sorry if host and target endians are
	not matching.

From-SVN: r52043
---
 gcc/f/ChangeLog    |  7 +++++++
 gcc/f/Make-lang.in |  4 ++--
 gcc/f/target.c     | 44 +++++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 52 insertions(+), 3 deletions(-)

diff --git a/gcc/f/ChangeLog b/gcc/f/ChangeLog
index d522ff853b4..2e42fa58c7d 100644
--- a/gcc/f/ChangeLog
+++ b/gcc/f/ChangeLog
@@ -1,3 +1,10 @@
+2002-04-08  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* Make-lang.in (f/target.o): Depend on diagnostic.h.
+	* target.c: Include diagnostic.h.
+ 	(ffetarget_memcpy_): Call sorry if host and target endians are
+	not matching.
+
 Thu Apr  4 23:29:48 2002  Neil Booth  <neil@daikokuya.demon.co.uk>
 
 	* com.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
diff --git a/gcc/f/Make-lang.in b/gcc/f/Make-lang.in
index f9744d7ed15..d2daf347e20 100644
--- a/gcc/f/Make-lang.in
+++ b/gcc/f/Make-lang.in
@@ -1,5 +1,5 @@
 # Top level makefile fragment for GNU Fortran.           -*-makefile-*-
-#   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
+#   Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
 
 #This file is part of GNU Fortran.
 
@@ -513,7 +513,7 @@ f/symbol.o: f/symbol.c f/proj.h $(CONFIG_H) $(SYSTEM_H) f/symbol.h \
  f/global.h f/name.h f/src.h f/st.h
 f/target.o: f/target.c f/proj.h $(CONFIG_H) $(SYSTEM_H) glimits.h f/target.h \
  $(TREE_H) f/bad.h f/bad.def f/where.h f/top.h f/malloc.h f/info.h \
- f/info-b.def f/info-k.def f/info-w.def f/type.h f/lex.h
+ f/info-b.def f/info-k.def f/info-w.def f/type.h f/lex.h diagnostic.h
 f/top.o: f/top.c f/proj.h $(CONFIG_H) $(SYSTEM_H) f/top.h f/malloc.h f/where.h \
  glimits.h f/bad.h f/bad.def f/bit.h f/bld.h f/bld-op.def f/com.h \
  f/com-rt.def $(TREE_H) f/info.h f/info-b.def f/info-k.def \
diff --git a/gcc/f/target.c b/gcc/f/target.c
index a1a78018a96..36b61043f9b 100644
--- a/gcc/f/target.c
+++ b/gcc/f/target.c
@@ -1,5 +1,5 @@
 /* target.c -- Implementation File (module.c template V1.0)
-   Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1996, 1997, 1998, 2002 Free Software Foundation, Inc.
    Contributed by James Craig Burley.
 
 This file is part of GNU Fortran.
@@ -71,6 +71,7 @@ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #include "proj.h"
 #include "glimits.h"
 #include "target.h"
+#include "diagnostic.h"
 #include "bad.h"
 #include "info.h"
 #include "lex.h"
@@ -2519,6 +2520,47 @@ ffetarget_verify_character1 (mallocPool pool, ffetargetCharacter1 val)
 void *
 ffetarget_memcpy_ (void *dst, void *src, size_t len)
 {
+#ifdef CROSS_COMPILE
+  int host_words_big_endian =
+#ifndef HOST_WORDS_BIG_ENDIAN
+    0
+#else
+    HOST_WORDS_BIG_ENDIAN
+#endif
+    ;
+
+  int host_bytes_big_endian =
+#ifndef HOST_BYTES_BIG_ENDIAN
+    0
+#else
+    HOST_BYTES_BIG_ENDIAN
+#endif
+    ;
+
+  int host_bits_big_endian =
+#ifndef HOST_BITS_BIG_ENDIAN
+    0
+#else
+    HOST_BITS_BIG_ENDIAN
+#endif
+    ;
+
+  /* This is just hands thrown up in the air over bits coming through this
+     function representing a number being memcpy:d as-is from host to
+     target.  We can't generally adjust endianness here since we don't
+     know whether it's an integer or floating point number; they're passed
+     differently.  Better to not emit code at all than to emit wrong code.
+     We will get some false hits because some data coming through here
+     seems to be just character vectors, but often enough it's numbers,
+     for instance in g77.f-torture/execute/980628-[4-6].f and alpha2.f.
+     Still, we compile *some* code.  FIXME: Rewrite handling of numbers.  */
+  if (!WORDS_BIG_ENDIAN != !host_words_big_endian
+      || !BYTES_BIG_ENDIAN != !host_bytes_big_endian
+      || !BITS_BIG_ENDIAN != !host_bits_big_endian)
+    sorry ("data initializer on host with different endianness");
+
+#endif /* CROSS_COMPILE */
+
   return (void *) memcpy (dst, src, len);
 }
 
-- 
2.30.2