The NDK group would be a better place for this question
https://groups.google.com/forum/?fromgroups#!forum/android-ndk
On Tuesday, July 17, 2012 11:19:18 AM UTC+1, 维江 郭 wrote:
>
> Hi,
> I need to debug the native code and insert breakpoint.
> The native code is based on PJSIP project and all the related libs are
> assembled in libpjsipjni.so
> When I running C/C++ debugger and try to insert breakpoint, this error
> message will displayed and always shows when input "continue" command
>
> (gdb)
> Warning:
> &"Warning:\n"
> &"Cannot insert breakpoint 2.\n"
> &"Error accessing memory address 0x47c58: Input/output error.\n"
> &"\n"
> 174^error,msg="Warning:\
> nCannot insert breakpoint 2.\nError accessing memory address 0x47c58:
> Input/output error.\n"
> (gdb)
> Cannot insert breakpoint 2.
> Error accessing memory address 0x47c58: Input/output error.
>
> I have tryed to load the .so file and can see the result after "info
> sharedlibrary" command
> I don't know why the address cannot be accessed and cannot insert
> breakpoint.
> So thank you very much if you have any ideas to resolve this problem.
>
> Here is more information:
> (gdb)
> 153 info threads
> &"info threads\n"
> ~" 14 Thread 21695 0x401066cc in ?? ()\n"
> ~" 13 Thread 21594 0x401066cc in ?? ()\n"
> ~" 12 Thread 21576 0x401066cc in ?? ()\n"
> ~" 11 Thread 21575 0x401066cc in ?? ()\n"
> ~" 10 Thread 21572 0x401057ac in toascii () from
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libc.so\n"
> ~" 9 Thread 21571 0x401057ac in toascii () from
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libc.so\n"
> ~" 8 Thread 21570 0x401066d0 in ?? ()\n"
> ~" 7 Thread 21569 0x401066cc in ?? ()\n"
> ~" 6 Thread 21568 0x401066cc in ?? ()\n"
> ~" 5 Thread 21567 0x401066cc in ?? ()\n"
> ~" 4 Thread 21566 0x401058d0 in unlink () from
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libc.so\n"
> ~" 3 Thread 21564 0x40105fe8 in ?? ()\n"
> ~" 2 Thread 21561 0x401066cc in ?? ()\n"
> ~" 1 Thread 21560 0x40803c50 in ?? ()\n"
> &"warning: Couldn't restore frame in current thread, at frame 0\n"
> ~"0x40803c50 in ?? ()\n"
> 153^done
> (gdb)
> 154-data-list-register-names
>
> 154^done,register-names=["r0","r1","r2","r3","r4","r5","r6","r7","r8","r9","r10","r11","r12","sp","lr","pc","f0","f1","f2","f3","f4","f5","f6","f7","fps","cpsr"]
> (gdb)
> 155-break-insert
> /root/gwj_workspace/VideoTalk_temp/jni/pjsip/jni/src/pjsua_wrap.cpp:8716
>
> 155^done,bkpt={number="1",type="breakpoint",disp="keep",enabled="y",addr="0x00047c58",func="Java_org_pjsip_pjsua_pjsuaJNI_create",file="pjsip/build/..//jni/build/..//src//pjsua_wrap.cpp",fullname="/root/gwj_workspace/VideoTalk_temp/jni/pjsip/jni/src/pjsua_wrap.cpp",line="8716",times="0"}
> (gdb)
> 156-stack-info-depth
> 156^done,depth="1"
> (gdb)
> 157-stack-list-frames 0 1
> 157^done,stack=[frame={level="0",addr="0x40803c50",func="??"}]
> (gdb)
> 158-exec-continue
> 158^running
> (gdb)
> Warning:
> &"Warning:\n"
> Cannot insert breakpoint 1.
> &"Cannot insert breakpoint 1.\n"
> Error accessing memory address 0x47c58: Input/output error.
>
> &"Error accessing memory address 0x47c58: Input/output error.\n"
> &"\n"
> 158^error,msg="Warning:\nCannot insert breakpoint 1.\nError accessing
> memory address 0x47c58: Input/output error.\n"
> (gdb)
> 159 info threads
> &"info threads\n"
> ~" 14 Thread 21695 0x401066cc in ?? ()\n"
> ~" 13 Thread 21594 0x401066cc in ?? ()\n"
> ~" 12 Thread 21576 0x401066cc in ?? ()\n"
> ~" 11 Thread 21575 0x401066cc in ?? ()\n"
> ~" 10 Thread 21572 0x401057ac in toascii () from
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libc.so\n"
> ~" 9 Thread 21571 0x401057ac in toascii () from
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libc.so\n"
> ~" 8 Thread 21570 0x401066d0 in ?? ()\n"
> ~" 7 Thread 21569 0x401066cc in ?? ()\n"
> ~" 6 Thread 21568 0x401066cc in ?? ()\n"
> ~" 5 Thread 21567 0x401066cc in ?? ()\n"
> ~" 4 Thread 21566 0x401058d0 in unlink () from
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libc.so\n"
> ~" 3 Thread 21564 0x40105fe8 in ?? ()\n"
> ~" 2 Thread 21561 0x401066cc in ?? ()\n"
> ~" 1 Thread 21560 0x40803c50 in ?? ()\n"
> &"warning: Couldn't restore frame in current thread, at frame 0\n"
> ~"0x40803c50 in ?? ()\n"
> 159^done
> (gdb)
> 160-stack-info-depth
> 160^done,depth="1"
> (gdb)
> 161-stack-list-frames 0 1
> 161^done,stack=[frame={level="0",addr="0x40803c50",func="??"}]
> (gdb)
> 162-data-list-changed-registers
>
> 162^done,changed-registers=["0","2","4","5","6","7","8","9","11","12","13","14","15","25"]
> (gdb)
> 163 info sharedlibrary
> &"info sharedlibrary\n"
> ~"From To Syms Read Shared Object Library\n"
> ~" No /system/bin/linker\n"
> ~"0x40101398 0x40105f24 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libc.so\n"
> ~"0x400ee5ec 0x400ee7b8 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libstdc++.so\n"
> ~"0x4014a67c 0x4014b464 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libm.so\n"
> ~"0x4002a31c 0x4002a3a8 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/liblog.so\n"
> ~" No libcutils.so\n"
> ~"0x40002bdc 0x40003118 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libz.so\n"
> ~" No libtime_genoff.so\n"
> ~" No libutils.so\n"
> ~" No libbinder.so\n"
> ~" No libexpat.so\n"
> ~" No libcrypto.so\n"
> ~" No libgabi++.so\n"
> ~" No libicuuc.so\n"
> ~" No libicui18n.so\n"
> ~" No libssl.so\n"
> ~" No libstlport.so\n"
> ~" No libnativehelper.so\n"
> ~" No libnetutils.so\n"
> ~" No libGLESv2_dbg.so\n"
> ~"0x40590830 0x40590b3c Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libEGL.so\n"
> ~" No libwpa_client.so\n"
> ~" No libhardware_legacy.so\n"
> ~" No libpixelflinger.so\n"
> ~" No libhardware.so\n"
> ~" No libemoji.so\n"
> ~" No libjpeg.so\n"
> ~" No libskia.so\n"
> ~" No libui.so\n"
> ~"0x40764df8 0x40765bcc Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libGLESv2.so\n"
> ~" No libmemalloc.so\n"
> ~" No libQcomUI.so\n"
> ~" No libgui.so\n"
> ~" No libcamera_client.so\n"
> ~" No libsqlite.so\n"
> ~" No libqc-opt.so\n"
> ~" No libdvm.so\n"
> ~"0x4089e640 0x4089f8ec Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libGLESv1_CM.so\n"
> ~" No libETC1.so\n"
> ~" No libsonivox.so\n"
> ~" No libstagefright_foundation.so\n"
> ~" No libmedia.so\n"
> ~" No libnfc_ndef.so\n"
> ~" No libusbhost.so\n"
> ~" No libharfbuzz.so\n"
> ~" No libhwui.so\n"
> ~" No libtilerenderer.so\n"
> ~" No libbluetooth.so\n"
> ~" No libbluedroid.so\n"
> ~" No libdbus.so\n"
> ~" No libandroid_runtime.so\n"
> ~"0x591a2070 0x591ad00c Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libavutil.so\n"
> ~"0x569475d8 0x56948898 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libavcore.so\n"
> ~"0x5ad766e0 0x5aded634 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libavcodec.so\n"
> ~"0x591b5ae0 0x591c3960 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libavformat.so\n"
> ~"0x598a2a20 0x598bdb24 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libswscale.so\n"
> ~"0x5aefd360 0x5b00b544 Yes
> /root/gwj_workspace/VideoTalk_temp/libs/armeabi-v7a/libpjsipjni.so\n"
> ~" No libgenlock.so\n"
> ~" No gralloc.msm8660.so\n"
> 163^done
> (gdb)
> 164-stack-list-arguments 0 0 0
> 164^done,stack-args=[frame={level="0",args=[]}]
> (gdb)
> 165-stack-list-locals 0
> 165^done,locals=[]
> (gdb)
> 167-break-disable 1
> 167^done
> (gdb)
>
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