From: Petar Jovanovic <mips32r2@gmail.com>
Date: Thu, 6 Oct 2016 17:46:14 +0000 (+0000)
Subject: mips32: fix the wrong offset for mmap2()
X-Git-Tag: svn/VALGRIND_3_13_0~355
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=296bd45ae0fb055d8ec11e32ce41f535ace59f7a;p=thirdparty%2Fvalgrind.git

mips32: fix the wrong offset for mmap2()

The offset for mmap2 is specified in 4096-byte units, not page size
units.

Patch by Duncan Palmer <dpalmer@digisoft.tv>.

It fixes BZ#352197.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@16026
---

diff --git a/coregrind/m_syswrap/syswrap-mips32-linux.c b/coregrind/m_syswrap/syswrap-mips32-linux.c
index d75583063a..b32e4cc776 100644
--- a/coregrind/m_syswrap/syswrap-mips32-linux.c
+++ b/coregrind/m_syswrap/syswrap-mips32-linux.c
@@ -530,7 +530,7 @@ DECL_TEMPLATE (mips_linux, sys_prctl);
 
 PRE(sys_mmap2) 
 {
-  /* Exactly like sys_mmap() except the file offset is specified in pagesize
+  /* Exactly like sys_mmap() except the file offset is specified in 4096 byte 
      units rather than bytes, so that it can be used for files bigger than
      2^32 bytes. */
   SysRes r;
@@ -540,7 +540,7 @@ PRE(sys_mmap2)
                 unsigned long, prot, unsigned long, flags,
                 unsigned long, fd, unsigned long, offset);
   r = mips_PRE_sys_mmap(tid, ARG1, ARG2, ARG3, ARG4, ARG5,
-                        VKI_PAGE_SIZE * (Off64T) ARG6);
+                        4096 * (Off64T) ARG6);
   SET_STATUS_from_SysRes(r);
 }