From: Geoff Voelker <voelker@cs.washington.edu>
Date: Tue, 1 Jul 1997 05:05:45 +0000 (+0000)
Subject: Add pragma to force zero initialized
X-Git-Tag: emacs-20.1~1440
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=e54c8cd1194ff791d17c7932a6080dda0838d7c8;p=emacs.git

Add pragma to force zero initialized
data into .data segment.
---

diff --git a/src/unexw32.c b/src/unexw32.c
index d449a79eaa0..ef4ed56fb9f 100644
--- a/src/unexw32.c
+++ b/src/unexw32.c
@@ -39,6 +39,10 @@ typedef struct file_data {
     unsigned char *file_base;
 } file_data;
 
+/* Force zero initialized variables to be placed in the .data segment;
+   MSVC 5.0 otherwise places them in .bss, which breaks the dumping code.  */
+#pragma data_seg(".data")
+
 /* Basically, our "initialized" flag.  */
 BOOL need_to_recreate_heap = FALSE;
 
diff --git a/src/w32heap.c b/src/w32heap.c
index 2a92d059d90..8565999b459 100644
--- a/src/w32heap.c
+++ b/src/w32heap.c
@@ -66,6 +66,13 @@ cache_system_info (void)
   syspage_mask = sysinfo_cache.dwPageSize - 1;
 }
 
+/* Emulate getpagesize.  */
+int
+getpagesize (void)
+{
+  return sysinfo_cache.dwPageSize;
+}
+
 /* Round ADDRESS up to be aligned with ALIGN.  */
 unsigned char *
 round_to_next (unsigned char *address, unsigned long align)
@@ -78,6 +85,10 @@ round_to_next (unsigned char *address, unsigned long align)
   return (unsigned char *) (tmp * align);
 }
 
+/* Force zero initialized variables to be placed in the .data segment;
+   MSVC 5.0 otherwise places them in .bss, which breaks the dumping code.  */
+#pragma data_seg(".data")
+
 /* Info for keeping track of our heap.  */
 unsigned char *data_region_base = NULL;
 unsigned char *data_region_end = NULL;