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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