From: Nicholas Nethercote <njn@valgrind.org>
Date: Thu, 17 Nov 2005 19:38:09 +0000 (+0000)
Subject: copy log message as a comment
X-Git-Tag: svn/VALGRIND_3_1_0~56
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=24e2b8b8382d36e499a5d49fa363fa7df259e9e3;p=thirdparty%2Fvalgrind.git

copy log message as a comment



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5176
---

diff --git a/memcheck/tests/sigaltstack.c b/memcheck/tests/sigaltstack.c
index 38fec33a50..41c076134e 100644
--- a/memcheck/tests/sigaltstack.c
+++ b/memcheck/tests/sigaltstack.c
@@ -15,6 +15,9 @@ int main(int argv, char** argc) {
   stack_t sigstk;
   struct sigaction act;
   static const int size = SIGSTKSZ*2;
+  // We give EXEC permissions because this won't work on ppc32 unless you
+  // ask for an alt stack with EXEC permissions.
+  since signal returning requires execution of code on the stack.      
   char *stk = (char *)mmap(0, size, PROT_READ|PROT_WRITE|PROT_EXEC, 
                                     MAP_ANON|MAP_PRIVATE, -1, 0);
   sigstk.ss_sp = stk;