From: Petar Jovanovic <mips32r2@gmail.com>
Date: Thu, 2 Feb 2017 17:24:14 +0000 (+0000)
Subject: Add PROT_READ flag to mmap, as Valgrind needs to be able to read the
X-Git-Tag: svn/VALGRIND_3_13_0~203
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=26df17c627b866de62f525cb9746f6bed022b48f;p=thirdparty%2Fvalgrind.git

Add PROT_READ flag to mmap, as Valgrind needs to be able to read the
code before it executes it.

This fixes none/tests/bigcode on some MIPS platforms.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@16218
---

diff --git a/perf/bigcode.c b/perf/bigcode.c
index ae31cbb17c..b5a529125d 100644
--- a/perf/bigcode.c
+++ b/perf/bigcode.c
@@ -75,7 +75,7 @@ int main(int argc, char* argv[])
    printf("%d copies of f(), %d reps\n", n_fns, n_reps);
    
    char* a = mmap(0, FN_SIZE * n_fns, 
-                     PROT_EXEC|PROT_WRITE, 
+                     PROT_EXEC|PROT_WRITE|PROT_READ, 
                      MAP_PRIVATE|MAP_ANONYMOUS, -1,0);
    assert(a != (char*)MAP_FAILED);