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git-svn-id: svn://svn.valgrind.org/valgrind/trunk@5156
This commit is contained in:
Nicholas Nethercote 2005-11-16 23:54:46 +00:00
parent 973949d2b3
commit f02b856600
1 changed files with 4 additions and 1 deletions
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5
coregrind/m_main.c
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@ -658,7 +658,10 @@ static void setup_client_dataseg ( SizeT max_size )
vg_assert(ok);
/* We make the data segment (heap) executable because LinuxThreads on
ppc32 creates trampolines in this area. */
ppc32 creates trampolines in this area. Also, on x86/Linux the data
segment is RWX natively, at least according to /proc/self/maps.
Also, having a non-executable data seg would kill any program which
tried to create code in the data seg and then run it. */
sres = VG_(am_mmap_anon_fixed_client)(
anon_start,
anon_size,