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Subject: =?GB2312?Q?can_gdb_trace_the_sysenter_instruction_=3F=A1=A1_which_ca?=	=?GB2312?Q?use_a_system_call?=
From: Tom Frank <gdbhelper@gmail.com>
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can  gdb trace the sysenter  instruction ?=A1=A1  which cause a system call