pstack输出信息不完整的问题请教

flyingcicada

操作系统：Solaris 10; 编译器： Sun Studio 9\r\n\r\n为什么pstack的输出中有些库和函数显示为乱码（一连串的问号）？内容见下：\r\n\r\n\r\n\r\ncore \'core\' of 7952:        /opt/AccessIntegratorEMGX2.6Sserver/bin/acis_emgx26_solaris PROCESSTYP\r\n-----------------  lwp# 1 / thread# 1  --------------------\r\n01b295f8 ???????? (4db3d80, 61, 6, 44d636d, 154, 1)\r\n01cf4574 ???????? (ffbfb0f8, 1000, fd9ecbc0, fd8f2000, 8e5cc00, 6)\r\n01d8f3d8 ???????? (4e7cbb0, bb31d98, 0, 1, 14f7bb18, 6)\r\n01d85fa8 ???????? (4e7cbb0, e48ac80, 53500001, 44d6553, 13058, 1)\r\n01cf5bc8 ???????? (4e00fd0, e48ac80, 93218, fd0cc6e4, fd8f2000, 1000)\r\n01cfcc5c ???????? (4dcc6d0, e48ac80, 4, ffffffff, 14, fc00)\r\n01c84b68 ???????? (4e01070, e48ac80, 1ee0c, 98997b8, 0, ffbfeda4)\r\nff05f840 __1cWRSCentralMessageSystemYprocessMessageExceptions6MpnHMessage_pknJRSMessage_pnSRSBaseCommunicator_rnDstdMbasic_string4Ccn0ELchar_traits4Cc__n0EJallocator4Cc____pkc_v_ (4cc0b98, 8043fd8, e48ac80, 4e01070, ffbff274, c124f9 + 3a8\r\nff05f0fc __1cWRSCentralMessageSystembBprocessMessageAllExceptions6MpnHMessage_pknJRSMessage_pnSRSBaseCommunicator_rnDstdMbasic_string4Ccn0ELchar_traits4Cc__n0EJallocator4Cc____pkc_v_ (4cc0b98, 8043fd8, e48ac80, 4e01070, ffbff274, c124f9 + 5c\r\nff05e414 __1cWRSCentralMessageSystemOprocessMessage6M_b_ (4cc0b98, 499a1d, 1ee0c, fd9ef344, b6702c, 4cc0b9 + 4c4\r\nff08667c __1cSBasicRuntimeSystemLcommunicate6M_b_ (4a91308, 490a278, b7b200, 0, 10002, 80000000) + 494\r\n00b7af78 ???????? (490a220, ffbff904, 4e7e5e8, 4e7e618, 1, 41a15b6)\r\n00b83d70 ???????? (5, ffbff904, ffbff91c, 4909400, fd6cffc0, fd070000)\r\n00b4f7e8 ???????? (0, 0, 0, 0, 0, 0)\r\n-----------------  lwp# 2 / thread# 2  --------------------\r\nfd9c040c __lwp_park (4abd9f0, 4abd9d8, fcefb7e8, 1, 0, 0) + 14\r\nfd9ba49c cond_wait_queue (4abd9f0, 4abd9d8, fcefb7e8, 0, 0, 0) + 28\r\nfd9ba914 cond_wait_common (4abd9f0, 4abd9d8, fcefb7e8, 0, 0, 0) + 298\r\nfd9baaac _cond_timedwait (4abd9f0, 4abd9d8, fcefb970, 0, 0, 0) + 34\r\nfd9baba0 cond_timedwait (4abd9f0, 4abd9d8, fcefb970, fcefba18, 0, 0) + 14\r\nfd9babe0 pthread_cond_timedwait (4abd9f0, 4abd9d8, fcefb970, fcefba20, 0, fcefb97 + c\r\nfed82358 __1cGACE_OSOcond_timedwait6FpnN_pthread_cond_pnO_pthread_mutex_pnOACE_Time_Value__i_ (4abd9f0, 4abd9d8, fcefba1c, ffffffff, 7057d, 47dde026) + c0\r\nfedc25cc __1cGACE_OSPevent_timedwait6FpnLACE_event_t_pnOACE_Time_Value_i_i_ (fcefbb58, fcefbb50, 0, 0, 0, 4c8799 + 154\r\nff0b84a8 __1cSTTConfigFileImplNtPfileChangeWatch6Fpv_I_ (0, 1, fd9c0368, ff3ee0f8, ff3f06e0, 0) + 400\r\nfedc6544 __1cVACE_OS_Thread_AdapterGinvoke6M_pv_ (4c71948, 0, 0, ff0b80a8, 0, 0) + 8c\r\nfed75f00 ace_thread_adapter (4c71948, fcefc000, 0, 0, 4907364, 1) + 18\r\nfd9c0368 _lwp_start (0, 0, 0, 0, 0, 0)\r\n-----------------  lwp# 3 / thread# 3  --------------------