From: Julian Seward <jseward@acm.org>
Date: Wed, 27 Dec 2006 05:21:14 +0000 (+0000)
Subject: Merge r6444 (Print a marginally more helpful error message if UME (ELF
X-Git-Tag: svn/VALGRIND_3_2_2~40
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5a4bdfa69cf2a16bcf759e8c2add5d8bd3a100d6;p=thirdparty%2Fvalgrind.git

Merge r6444 (Print a marginally more helpful error message if UME (ELF
loading) fails.)



git-svn-id: svn://svn.valgrind.org/valgrind/branches/VALGRIND_3_2_BRANCH@6445
---

diff --git a/coregrind/m_ume.c b/coregrind/m_ume.c
index 98bbe57fde..8ec468f244 100644
--- a/coregrind/m_ume.c
+++ b/coregrind/m_ume.c
@@ -71,8 +71,14 @@ struct elfinfo
 static void check_mmap(SysRes res, Addr base, SizeT len)
 {
    if (res.isError) {
-      VG_(printf)("valgrind: mmap(0x%llx, %lld) failed in UME with error %d.\n", 
-                  (ULong)base, (Long)len, res.val);
+      VG_(printf)("valgrind: mmap(0x%llx, %lld) failed in UME "
+                  "with error %d (%s).\n", 
+                  (ULong)base, (Long)len, 
+                  res.val, VG_(strerror)(res.val) );
+      if (res.val == VKI_EINVAL) {
+         VG_(printf)("valgrind: this can be caused by executables with "
+                     "very large text, data or bss segments.\n");
+      }
       VG_(exit)(1);
    }
 }