X86: Use an mmap base address that matches what an actual machine uses.

--HG--
extra : convert_revision : 98521797bbc6360301b3c6a6b1b8e28236ef570e

diff --git a/src/arch/x86/process.cc b/src/arch/x86/process.cc
index 6d30e53e3db5fa79396632803ee662d63bdb452c..03680561286168c913529c596e47ac6945667e44 100644 (file)
--- a/src/arch/x86/process.cc
+++ b/src/arch/x86/process.cc
@@ -127,9 +127,9 @@ X86LiveProcess::X86LiveProcess(const std::string &nm, ObjectFile *objFile,
     // for undertermined purposes.
     stack_base = (Addr)0x7FFFFFFFF000ULL;
 
-    // Set up region for mmaps.  Tru64 seems to start just above 0 and
-    // grow up from there.
-    mmap_start = mmap_end = 0xfffff80000000000ULL;
+    // Set up region for mmaps. This was determined empirically and may not
+    // always be correct.
+    mmap_start = mmap_end = 0x2aaaaaaab000;
 }
 
 void X86LiveProcess::handleTrap(int trapNum, ThreadContext *tc)