From: Julian Seward <jseward@acm.org>
Date: Mon, 1 Sep 2014 22:31:07 +0000 (+0000)
Subject: Followup to r14392 (fix up of stack bounds semantics) needed to keep
X-Git-Tag: svn/VALGRIND_3_10_0~85
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=635ed73abb8c09e5edb461dab23b1d0a611733b3;p=thirdparty%2Fvalgrind.git

Followup to r14392 (fix up of stack bounds semantics) needed to keep
the darwin port from asserting at startup.  Patch from PhilippeW.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14422
---

diff --git a/coregrind/m_ume/macho.c b/coregrind/m_ume/macho.c
index 3dfddafea2..fbdae5bee7 100644
--- a/coregrind/m_ume/macho.c
+++ b/coregrind/m_ume/macho.c
@@ -405,7 +405,7 @@ handle_lcmain ( vki_uint8_t **out_stack_start,
    check_mmap_float(res, requested_size, "handle_lcmain");
    vg_assert(!sr_isError(res));
    *out_stack_start = (vki_uint8_t*)sr_Res(res);
-   *out_stack_end   = *out_stack_start + requested_size;
+   *out_stack_end   = *out_stack_start + requested_size - 1;
 
    Bool need_discard = False;
    res = VG_(am_munmap_client)(&need_discard, (Addr)*out_stack_start, HACK);