From 26d2d8a262f6d6248ec4a76dbcca532a42af2130 Mon Sep 17 00:00:00 2001
From: Brian Ford <ford@vss.fsi.com>
Date: Fri, 7 May 2004 15:17:58 +0000
Subject: [PATCH] * emultempl/pe.em (real_flags): New static.
 (OPTION_LARGE_ADDRESS_AWARE): New define. (gld${EMULATION_NAME}_add_options):
 Add --large-address-aware option. (gld_${EMULATION_NAME}_list_options):
 Likewise. (gld${EMULATION_NAME}_handle_option): Likewise.
 (gld_${EMULATION_NAME}_after_open): Pass real_flags to PE private data. *
 ld.texinfo: Document it. * NEWS: Mention it.

---
 ld/ChangeLog       | 12 ++++++++++++
 ld/NEWS            |  3 +++
 ld/emultempl/pe.em | 15 +++++++++++++++
 ld/ld.texinfo      |  9 +++++++++
 4 files changed, 39 insertions(+)

diff --git a/ld/ChangeLog b/ld/ChangeLog
index a81c5d64b77..20222ff9102 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,15 @@
+2004-05-07  Brian Ford  <ford@vss.fsi.com>
+            DJ Delorie  <dj@redhat.com>
+
+	* emultempl/pe.em (real_flags): New static.
+	(OPTION_LARGE_ADDRESS_AWARE): New define.
+	(gld${EMULATION_NAME}_add_options): Add --large-address-aware option.
+	(gld_${EMULATION_NAME}_list_options): Likewise.
+	(gld${EMULATION_NAME}_handle_option): Likewise.
+	(gld_${EMULATION_NAME}_after_open): Pass real_flags to PE private data.
+	* ld.texinfo: Document it.
+	* NEWS: Mention it.
+
 2004-05-07  Brian Ford  <ford@vss.fsi.com>
 
 	* NEWS: Mention DWARF 2 support for i386pe.
diff --git a/ld/NEWS b/ld/NEWS
index 39db029971f..cec229be647 100644
--- a/ld/NEWS
+++ b/ld/NEWS
@@ -1,5 +1,8 @@
 -*- text -*-
 
+* New PE --large-address-aware option to indicate executables support virtual
+  addresses greater than 2 gigabytes.
+
 * DWARF 2 support for i386pe added.
 
 * The linker script operator DEFINED() will now yield 1 only for a symbol that
diff --git a/ld/emultempl/pe.em b/ld/emultempl/pe.em
index 7d6c2e8a6d1..a3b50afc719 100644
--- a/ld/emultempl/pe.em
+++ b/ld/emultempl/pe.em
@@ -62,6 +62,11 @@ cat >>e${EMULATION_NAME}.c <<EOF
 #include "ldctor.h"
 #include "coff/internal.h"
 
+/* FIXME: See bfd/peXXigen.c for why we include an architecture specific
+   header in generic PE code.  */
+#include "coff/i386.h"
+#include "coff/pe.h"
+
 /* FIXME: This is a BFD internal header file, and we should not be
    using it here.  */
 #include "../bfd/libcoff.h"
@@ -106,6 +111,7 @@ cat >>e${EMULATION_NAME}.c <<EOF
 
 static struct internal_extra_pe_aouthdr pe;
 static int dll;
+static flagword real_flags = 0;
 static int support_old_code = 0;
 static char * thumb_entry_symbol = NULL;
 static lang_assignment_statement_type *image_base_statement = 0;
@@ -182,6 +188,8 @@ gld_${EMULATION_NAME}_before_parse (void)
 					(OPTION_EXCLUDE_LIBS + 1)
 #define OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC	\
 					(OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC + 1)
+#define OPTION_LARGE_ADDRESS_AWARE \
+					(OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC + 1)
 
 static void
 gld${EMULATION_NAME}_add_options
@@ -235,6 +243,7 @@ gld${EMULATION_NAME}_add_options
     {"enable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_ENABLE_RUNTIME_PSEUDO_RELOC},
     {"disable-runtime-pseudo-reloc", no_argument, NULL, OPTION_DLL_DISABLE_RUNTIME_PSEUDO_RELOC},
 #endif
+    {"large-address-aware", no_argument, NULL, OPTION_LARGE_ADDRESS_AWARE},
     {NULL, no_argument, NULL, 0}
   };
 
@@ -335,6 +344,8 @@ gld_${EMULATION_NAME}_list_options (FILE *file)
   fprintf (file, _("  --enable-extra-pe-debug            Enable verbose debug output when building\n\
                                        or linking to DLLs (esp. auto-import)\n"));
 #endif
+  fprintf (file, _("  --large-address-aware              Executable supports virtual addresses\n\
+                                       greater than 2 gigabytes\n"));
 }
 
 
@@ -597,6 +608,9 @@ gld${EMULATION_NAME}_handle_option (int optc)
       pe_dll_extra_pe_debug = 1;
       break;
 #endif
+    case OPTION_LARGE_ADDRESS_AWARE:
+      real_flags |= IMAGE_FILE_LARGE_ADDRESS_AWARE;
+      break;
     }
   return TRUE;
 }
@@ -949,6 +963,7 @@ gld_${EMULATION_NAME}_after_open (void)
 
   pe_data (output_bfd)->pe_opthdr = pe;
   pe_data (output_bfd)->dll = init[DLLOFF].value;
+  pe_data (output_bfd)->real_flags |= real_flags;
 
 #ifdef DLL_SUPPORT
   if (pe_enable_stdcall_fixup) /* -1=warn or 1=disable */
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index f50d79afade..41279685a9f 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -1872,6 +1872,15 @@ If given, the stdcall suffixes (@@@var{nn}) will be stripped from
 symbols before they are exported.
 [This option is specific to the i386 PE targeted port of the linker]
 
+@kindex --large-address-aware
+@item --large-address-aware
+If given, the appropriate bit in the ``Charateristics'' field of the COFF
+header is set to indicate that this executable supports virtual addresses
+greater than 2 gigabytes.  This should be used in conjuction with the /3GB
+or /USERVA=@var{value} megabytes switch in the ``[operating systems]''
+section of the BOOT.INI.  Otherwise, this bit has no effect.
+[This option is specific to PE targeted ports of the linker]
+
 @kindex --major-image-version
 @item --major-image-version @var{value}
 Sets the major number of the ``image version''.  Defaults to 1.
-- 
2.30.2