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[PATCH 3/3] PR gdb/16304: Zero-extend address from 32-bit to 64-bit


When there is ADDR32 prefix in 64-bit mode, we should zero-extend
address from 32-bit to 64-bit. Tested on Linux/x86-64.  OK to install?

Thanks.

H.J.
----
2013-12-08  H.J. Lu  <hongjiu.lu@intel.com>

	PR gdb/16304
	* i386-tdep.c (i386_record_lea_modrm_addr): Zero-extend 32-bit
	address to 64-bit in 64-bit mode.
---
 gdb/i386-tdep.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gdb/i386-tdep.c b/gdb/i386-tdep.c
index be99aa3..17605ef 100644
--- a/gdb/i386-tdep.c
+++ b/gdb/i386-tdep.c
@@ -4265,6 +4265,13 @@ i386_record_lea_modrm_addr (struct i386_record_s *irp, uint64_t *addr)
 	  else
 	    *addr = (uint32_t) (*addr + (offset64 << scale));
 	}
+
+      if (!irp->aflag)
+	{
+	  /* Since we are in 64-bit mode with ADDR32 prefix, zero-extend
+	     address from 32-bit to 64-bit.  */
+	    *addr = (uint32_t) *addr;
+	}
     }
   else
     {
-- 
1.8.3.1


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