android native 崩溃日志查询

java 层的崩溃最好查，没什么说的

android tomstone 崩溃日志

adb shell dumpsys dropbox

tombstone.jpeg

adb shell dumpsys dropbox --print SYSTEM_TOMBSTONE

*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
Build fingerprint: 'Xiaomi/dolphin_zorro/dolphin-zorro:7.0/NRD91N/1282:user/release-keys'
Revision: '0'
ABI: 'arm'
pid: 1815, tid: 1876, name: Chrome_InProcRe  >>> cn.encmed.webviewshell <<<
signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0xfbadbeef
    r0 8f2d7970  r1 fffffffe  r2 00000000  r3 fbadbeef
    r4 99162004  r5 99137960  r6 99162004  r7 8f01a790
    r8 8f2d8124  r9 8f2d8328  sl 99162004  fp 00000001
    ip a7c5c860  sp 8f2d7a10  lr 97ce65d3  pc 9866c804  cpsr 40030030
    d0  6567617375207920  d1  6f6d656d20746e4d
    d2  7470697263536142  d3  756f20706165680a
    d4  6332643678303d74  d5  6e613c2031326564
    d6  207463656a624f20  d7  70616d2068746977
    d8  40c388dfe9185cee  d9  0000000000000000
    d10 0000000000000000  d11 0000000000000000
    d12 0000000000000000  d13 0000000000000000
    d14 0000000000000000  d15 40a8f70000000c7b
    d16 0000000000000000  d17 0000000000000000
    d18 416a0b3a5820c49c  d19 0000000000000000
    d20 3eb0000000000000  d21 411ca290d8106260
    d22 5a1082455a108245  d23 5a1082455a108245
    d24 5d1403815d140381  d25 5d1403815d140381
    d26 0000000000000000  d27 0000000000000000
    d28 5a1082455a108245  d29 5a1082455a108245
    d30 5d1403815d140381  d31 5d1403815d140381
    scr 20000017

backtrace:
    #00 pc 0136c804  /system/app/webview/webview.apk (offset 0x812000)

stack:
         8f2d79d0  8f2d7a10
         8f2d79d4  8f2d7a04
         8f2d79d8  99162004  /system/app/webview/webview.apk
         8f2d79dc  99137960  /system/app/webview/webview.apk
         8f2d79e0  99162004  /system/app/webview/webview.apk
         8f2d79e4  99162004  /system/app/webview/webview.apk
         8f2d79e8  8f2d79f8
         8f2d79ec  98fa13c4  /system/app/webview/webview.apk
         8f2d79f0  008a1c30
         8f2d79f4  8f2d7a04
         8f2d79f8  00000001
         8f2d79fc  ee291b92
         8f2d7a00  99137960  /system/app/webview/webview.apk
         8f2d7a04  99162004  /system/app/webview/webview.apk    
    


90f13000-9103efff r-x         0    12c000  /system/lib/egl/libGLES_mali.so (BuildId: ed2b28733c4b1b7330cf5f1c78109d03) (load base 0x3000)
9103f000-9103ffff ---         0      1000
91040000-91043fff r--    12c000      4000  /system/lib/egl/libGLES_mali.so
91044000-91045fff rw-    130000      2000  /system/lib/egl/libGLES_mali.so
91046000-91046fff rw-         0      1000  [anon:.bss]
9106f000-91071fff rw-  100a9000      3000  /dev/mali
91072000-91072fff ---         0      1000  [anon:thread signal stack guard page]
91073000-91074fff rw-         0      2000  [anon:thread signal stack]
91075000-91077fff rw-  100a6000      3000  /dev/mali
9110b000-9112afff r--         0     20000  /dev/__properties__/u:object_r:logd_prop:s0
9112b000-9114afff r--         0     20000  /dev/__properties__/u:object_r:default_prop:s0
9114b000-9117ffff r--   16be000     35000  /data/app/com.mitv.tvhome-1/base.apk
91180000-911fffff rw-         0     80000  [anon:libc_malloc]
91201000-91202fff rw-         0      2000  /dev/ashmem/dalvik-indirect ref table (deleted)
9120f000-91211fff rw-  10066000      3000  /dev/mali
91212000-91214fff rw-  10069000      3000  /dev/mali

也看不出来什么问题，只能知道是 webview 底层崩溃了