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Zero-extend address from 32-bit to 64-bit for ADDR32 prefix 

When there is ADDR32 prefix in 64-bit mode, we should zero-extend
address from 32-bit to 64-bit.

	PR gdb/16304
	* i386-tdep.c (i386_record_lea_modrm_addr): Zero-extend 32-bit
	address to 64-bit in 64-bit mode.
This commit is contained in:
H.J. Lu 2013-12-19 14:22:30 -08:00
parent 8ee5199a42
commit e85596e021
2 changed files with 13 additions and 0 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2013-12-19 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.
2013-12-19 H.J. Lu <hongjiu.lu@intel.com>
PR gdb/16304

7
gdb/i386-tdep.c
View File

@ -4282,6 +4282,13 @@ 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
{