如何解决如何使用NDK工具使用源代码编译库？
| 如何用源代码编译库？ 我正在使用android ndk开发本机库。 有时我从logcat收到故障转储消息。06-18 15:24:58.545: INFO/DEBUG(24667): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
06-18 15:24:58.545: INFO/DEBUG(24667): Build fingerprint: \'nvidia/harmony/harmony/harmony:2.2/FRF91/20110304.134348:eng/test-keys\'
06-18 15:24:58.545: INFO/DEBUG(24667): pid: 25870,tid: 26261 >>> com.andtv <<<
06-18 15:24:58.545: INFO/DEBUG(24667): signal 11 (SIGSEGV),fault addr 4a7b041c
06-18 15:24:58.545: INFO/DEBUG(24667): r0 4a7b041c r1 4a75220c r2 00000200 r3 0000006d
06-18 15:24:58.545: INFO/DEBUG(24667): r4 4a7b041d r5 00000000 r6 82434ad0 r7 4a752768
06-18 15:24:58.545: INFO/DEBUG(24667): r8 4a75220c r9 000004b4 10 4a752777 fp 00000000
06-18 15:24:58.545: INFO/DEBUG(24667): ip 00000000 sp 4a7521f8 lr 8202e11f pc afd1d9cc cpsr 00000030
06-18 15:24:58.545: INFO/DEBUG(24667): d0 3fcc745e0ab0ad85 d1 3fd24aaf828e1369
06-18 15:24:58.545: INFO/DEBUG(24667): d2 3fa56e5ff7cd8dc6 d3 3fe5568b9401f367
06-18 15:24:58.545: INFO/DEBUG(24667): d4 bfc34e892d87a4ea d5 bfd1c2b0f8ac7dc9
06-18 15:24:58.545: INFO/DEBUG(24667): d6 3fe62e42fee00000 d7 3ff0000000000000
06-18 15:24:58.545: INFO/DEBUG(24667): d8 4190000044038000 d9 4260000000000000
06-18 15:24:58.545: INFO/DEBUG(24667): d10 423999a0423999a0 d11 0000000000000000
06-18 15:24:58.545: INFO/DEBUG(24667): d12 0000000000000000 d13 0000000000000000
06-18 15:24:58.545: INFO/DEBUG(24667): d14 0000000000000000 d15 0000000000000000
06-18 15:24:58.545: INFO/DEBUG(24667): scr 80000012
06-18 15:24:58.565: ERROR/OMXPlayer(942): waiting to prepare 0x2b8fb0
06-18 15:24:58.925: INFO/DEBUG(24667): #00 pc 0001d9cc /system/lib/libc.so
06-18 15:24:58.925: INFO/DEBUG(24667): #01 pc 0002e11c /data/data/com.andtv/lib/libffmpeg.so
arm-eabi-objdump -S my_library.so
qty:jni qrtt1$ arm-eabi-objdump -S ../libs/armeabi/libhello-jni.so
../libs/armeabi/libhello-jni.so: file format elf32-littlearm
Disassembly of section .text:
000002dc <Java_com_example_hellojni_HelloJni_stringFromJNI>:
2dc: b500 push {lr}
2de: b083 sub sp,#12
2e0: 9001 str r0,[sp,#4]
2e2: 9100 str r1,#0]
2e4: 9b01 ldr r3,#4]
2e6: 681a ldr r2,[r3,#0]
2e8: 23a7 movs r3,#167
2ea: 009b lsls r3,r3,#2
2ec: 58d2 ldr r2,[r2,r3]
2ee: 9901 ldr r1,#4]
2f0: 4b04 ldr r3,[pc,#16] (304 <Java_com_example_hellojni_HelloJni_stringFromJNI+0x28>)
2f2: 447b add r3,pc
2f4: 1c08 adds r0,r1,#0
2f6: 1c19 adds r1,#0
2f8: 4790 blx r2
2fa: 1c03 adds r3,r0,#0
2fc: 1c18 adds r0,#0
2fe: b003 add sp,#12
300: bd00 pop {pc}
302: 46c0 nop (mov r8,r8)
304: 0012 lsls r2,r2,#0
qty:jni qrtt1$ ndk-build V=1
\\rm -f /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/lib*.so /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi-v7a/lib*.so /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/x86/lib*.so
rm -f /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/gdbserver /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi-v7a/gdbserver /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/x86/gdbserver
rm -f /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/gdb.setup /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi-v7a/gdb.setup /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/x86/gdb.setup
Gdbserver : [arm-linux-androideabi-4.4.3] libs/armeabi/gdbserver
mkdir -p /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi
install -p /Users/qrtt1/app/android-ndk-r5b/toolchains/arm-linux-androideabi-4.4.3/prebuilt/gdbserver /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/gdbserver
Gdbsetup : libs/armeabi/gdb.setup
echo \"set solib-search-path /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/obj/local/armeabi\" > /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/gdb.setup
echo \"directory /Users/qrtt1/app/android-ndk-r5b/platforms/android-8/arch-arm/usr/include /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/jni /Users/qrtt1/app/android-ndk-r5b/sources/cxx-stl/system\" >> /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/gdb.setup
Install : libhello-jni.so => libs/armeabi/libhello-jni.so
mkdir -p /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi
install -p /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/obj/local/armeabi/libhello-jni.so /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/libhello-jni.so
/Users/qrtt1/app/android-ndk-r5b/toolchains/arm-linux-androideabi-4.4.3/prebuilt/darwin-x86/bin/arm-linux-androideabi-strip --strip-unneeded /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/libhello-jni.so
/Users/qrtt1/app/android-ndk-r5b/toolchains/arm-linux-androideabi-4.4.3/prebuilt/darwin-x86/bin/arm-linux-androideabi-strip --strip-unneeded /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/libs/armeabi/libhello-jni.so
/Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/obj/local/armeabi/libhello-jni.so
qty:jni qrtt1$ arm-eabi-objdump -S /Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/obj/local/armeabi/libhello-jni.so
/Users/qrtt1/app/android-ndk-r5b/samples/hello-jni/obj/local/armeabi/libhello-jni.so: file format elf32-littlearm
Disassembly of section .text:
000002dc <Java_com_example_hellojni_HelloJni_stringFromJNI>:
* apps/samples/hello-jni/project/src/com/example/HelloJni/HelloJni.java
*/
jstring
Java_com_example_hellojni_HelloJni_stringFromJNI( JNIEnv* env,jobject thiz )
{
2dc: b500 push {lr}
2de: b083 sub sp,#0]
return (*env)->NewStringUTF(env,\"Hello from JNI !\");
2e4: 9b01 ldr r3,#0
}
2fc: 1c18 adds r0,r8)
304: 00000012 .word 0x00000012
解决方法
ndk-build NDK_DEBUG=1
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