From: Mark Kettenis <kettenis@gnu.org>
Date: Mon, 5 Apr 2004 14:43:36 +0000 (+0000)
Subject: * netbsd-core.c (CORE_WCOOKIE_OFFSET): New define.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=24d18d3088761bd75b7b2aec6d2861e7cd85a2dc;p=binutils-gdb.git

* netbsd-core.c (CORE_WCOOKIE_OFFSET): New define.
(netbsd_core_file_p): Create a .wcookie section for OpenBSD/sparc.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 6d2b7fc61bc..a6ba2a3d13d 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2004-04-05  Mark Kettenis  <kettenis@gnu.org>
+
+	* netbsd-core.c (CORE_WCOOKIE_OFFSET): New define.
+	(netbsd_core_file_p): Create a .wcookie section for OpenBSD/sparc.
+
 2004-04-02  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* elf32-cr16c.c (elf32_cr16c_relocate_section): Use
diff --git a/bfd/netbsd-core.c b/bfd/netbsd-core.c
index 250c6f4f1d5..fca801347da 100644
--- a/bfd/netbsd-core.c
+++ b/bfd/netbsd-core.c
@@ -34,6 +34,10 @@
    NetBSD/sparc64 overlaps with M_MIPS1.  */
 #define M_SPARC64_OPENBSD	M_MIPS1
 
+/* Offset of StackGhost cookie within `struct md_coredump' on
+   OpenBSD/sparc.  */
+#define CORE_WCOOKIE_OFFSET	344
+
 struct netbsd_core_struct
 {
   struct core core;
@@ -140,6 +144,25 @@ netbsd_core_file_p (abfd)
       asect->filepos = offset;
       asect->alignment_power = 2;
 
+      if (CORE_GETMID (core) == M_SPARC_NETBSD
+	  && CORE_GETFLAG (coreseg) == CORE_CPU
+	  && coreseg.c_size > CORE_WCOOKIE_OFFSET)
+	{
+	  /* Truncate the .reg section.  */
+	  asect->_raw_size = CORE_WCOOKIE_OFFSET;
+
+	  /* And create the .wcookie section.  */
+	  asect = bfd_make_section_anyway (abfd, ".wcookie");
+	  if (asect == NULL)
+	    goto punt;
+
+	  asect->flags = SEC_ALLOC + SEC_HAS_CONTENTS;
+	  asect->_raw_size = 4;
+	  asect->vma = 0;
+	  asect->filepos = offset + CORE_WCOOKIE_OFFSET;
+	  asect->alignment_power = 2;
+	}
+
       offset += coreseg.c_size;
     }