Google-Breakpad crash dump: did not get error file name, line
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Vinay Tomer
May 31, 2016, 8:24:45 AM5/31/16
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I have built Google breakpad as ndk-build build system with -g option.
I have downloaded dump_syms and minidump_stackwalk tools from location.
But when i tried to open minidump on my Linux machine it provide me output as
016-05-31 15:06:33: minidump.cc:4518: INFO: Minidump closing minidump
Operating system: Android
0.0.0 Linux 3.10.57+ #1 SMP PREEMPT Tue Jul 7 11:02:04 CST 2015 armv7l
CPU: arm
ARMv7 ARM part(0x4100c070) features: swp,half,thumb,fastmult,vfpv2,edsp,thumbee,neon,vfpv3,tls,vfpv4,idiva,idivt
4 CPUs
Crash reason: SIGABRT
Crash address: 0x402d
Thread 68 (crashed)
0 libc.so + 0x3d524
r0 = 0x00000000 r1 = 0x0000424a r2 = 0x00000006 r3 = 0x00000000
r4 = 0x9ecd7dd8 r5 = 0x00000006 r6 = 0x00000058 r7 = 0x0000010c
r8 = 0xb7c94158 r9 = 0xb7c93d80 r10 = 0x00000000 r12 = 0x0000424a
fp = 0x9ecd754c sp = 0x9ecd7490 lr = 0xb6e34db5 pc = 0xb6e5b524
Found by: given as instruction pointer in context
1 libc.so + 0x179c9
sp = 0x9ecd74a8 pc = 0xb6e359cb
Found by: stack scanning
2 libc.so + 0x1416b
sp = 0x9ecd74b0 pc = 0xb6e3216d
Found by: stack scanning
3 test.so + 0x114dd6
sp = 0x9ecd74cc pc = 0xa3566dd8
Found by: stack scanning
4 test.so + 0x11483e
sp = 0x9ecd74d4 pc = 0xa3566840
Found by: stack scanning
5 libc.so + 0x124f2
sp = 0x9ecd74d8 pc = 0xb6e304f4
Found by: stack scanning
6 libc.so + 0x154a1
sp = 0x9ecd74e0 pc = 0xb6e334a3
Found by: stack scanning
7 libc.so + 0x4ae3a
sp = 0x9ecd74e4 pc = 0xb6e68e3c
Found by: stack scanning
8 libc.so + 0x141ef
sp = 0x9ecd74f0 pc = 0xb6e321f1
Found by: stack scanning
9 libc.so + 0x4ae3a
sp = 0x9ecd74f4 pc = 0xb6e68e3c
Found by: stack scanning
10 test.so + 0x11483e
sp = 0x9ecd74f8 pc = 0xa3566840
Found by: stack scanning
I am doing something wrong but did not able to figure it out. to generate sym file i followed below procedure.
$dump_syms $PROJECT_PATH/obj/local/$ABI/test.so > test.so.sym
$head -n1 test.so.sym
$mkdir -p symbols/test.so/4DFCDE88787D852DABC1146F1C68406D0
$mv test.so.sym symbols/test.so/4DFCDE88787D852DABC1146F1C68406D0
$ minidump_stackwalk xxxx.dmp /symbols
Primiano Tucci
May 31, 2016, 8:34:02 AM5/31/16
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I think what's happening is that the test.so file that you are passing to dump_syms is stripped.
You need the unstripped .so with debug symbols (which typically is NOT what ends up on the device).
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Mike Frysinger
May 31, 2016, 2:57:17 PM5/31/16
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we just noticed in CrOS that building w/clang/llvm defaults to newer dwarf than breakpad supports.
what was the exact command used to build test.so and other programs ?
-mike
Vinay Tomer
Jun 1, 2016, 12:51:01 AM6/1/16
to google-breakpad-discuss
On Wednesday, June 1, 2016 at 12:27:17 AM UTC+5:30, Mike Frysinger wrote:
we just noticed in CrOS that building w/clang/llvm defaults to newer dwarf than breakpad supports.what was the exact command used to build test.so and other programs ?-mike
I had built test.so using eclipse, set APP_CPPFLAGS += -g option in application.mk.
built application for android-23 platform:
APP_PLATFORM := android-23
APP_ABI := armeabi armeabi-v7a x86
built application for android-23 platform:
APP_PLATFORM := android-23
APP_ABI := armeabi armeabi-v7a x86
Vinay Tomer
Jun 1, 2016, 1:03:15 AM6/1/16
to google-breakpad-discuss
On Tuesday, May 31, 2016 at 6:04:02 PM UTC+5:30, Primiano Tucci wrote:
I think what's happening is that the test.so file that you are passing to dump_syms is stripped.You need the unstripped .so with debug symbols (which typically is NOT what ends up on the device).
Hi Tucci
the test.so file is not stripped. the output od
objdump --syms test.so is below.
test.so: file format elf32-little
SYMBOL TABLE:
00000000 l df *ABS* 00000000 crtbegin_so.c
0005fef4 l .text 00000000 $a
0005fc70 l .text 00000000 $a
0005fc7c l .text 00000000 $d
00139030 l .fini_array 00000000 $d
0005ff18 l .text 00000000 $d
0013b000 l .data 00000000 $d
the test.so file is not stripped. the output od
objdump --syms test.so is below.
test.so: file format elf32-little
SYMBOL TABLE:
00000000 l df *ABS* 00000000 crtbegin_so.c
0005fef4 l .text 00000000 $a
0005fc70 l .text 00000000 $a
0005fc7c l .text 00000000 $d
00139030 l .fini_array 00000000 $d
0005ff18 l .text 00000000 $d
0013b000 l .data 00000000 $d
Vinay Tomer
Jun 1, 2016, 1:08:02 AM6/1/16
to google-breakpad-discuss
and using test.so which is available under armeabi folder to decode the minidump
Vinay Tomer
Jun 1, 2016, 1:12:16 AM6/1/16
to google-breakpad-discuss
objdump --syms test.so | grep debug
00000010 l .debug_frame 00000000 $d
00001c3c l .debug_frame 00000000 $d
000030c0 l .debug_frame 00000000 $d
00007388 l .debug_frame 00000000 $d
0000752c l .debug_frame 00000000 $d
00007bd0 l .debug_frame 00000000 $d
00009b54 l .debug_frame 00000000 $d
0000a3f4 l .debug_frame 00000000 $d
0000b154 l .debug_frame 00000000 $d
0000b710 l .debug_frame 00000000 $d
0000bc88 l .debug_frame 00000000 $d
0000e9fc l .debug_frame 00000000 $d
0001072c l .debug_frame 00000000 $d
000109b0 l .debug_frame 00000000 $d
00010f28 l .debug_frame 00000000 $d
0001282c l .debug_frame 00000000 $d
0001289c l .debug_frame 00000000 $d
00012904 l .debug_frame 00000000 $d
00014554 l .debug_frame 00000000 $d
00014704 l .debug_frame 00000000 $d
000149c0 l .debug_frame 00000000 $d
00015e58 l .debug_frame 00000000 $d
00016404 l .debug_frame 00000000 $d
0001650c l .debug_frame 00000000 $d
00016618 l .debug_frame 00000000 $d
00018288 l .debug_frame 00000000 $d
00018360 l .debug_frame 00000000 $d
000183cc l .debug_frame 00000000 $d
0001b7a0 l .debug_frame 00000000 $d
0001cc60 l .debug_frame 00000000 $d
0001ccd0 l .debug_frame 00000000 $d
0001cd60 l .debug_frame 00000000 $d
000072b4 l .debug_aranges 00000000 $d
0001d1dc l .debug_frame 00000000 $d
0001dd6c l .debug_frame 00000000 $d
0001de64 l .debug_frame 00000000 $d
0001e058 l .debug_frame 00000000 $d
0001e1f0 l .debug_frame 00000000 $d
0002003c l .debug_frame 00000000 $d
00020a54 l .debug_frame 00000000 $d
00020b78 l .debug_frame 00000000 $d
00020d94 l .debug_frame 00000000 $d
00021abc l .debug_frame 00000000 $d
00021c98 l .debug_frame 00000000 $d
00021ce8 l .debug_frame 00000000 $d
00021d08 l .debug_frame 00000000 $d
00021d28 l .debug_frame 00000000 $d
00021d48 l .debug_frame 00000000 $d
00021e48 l .debug_frame 00000000 $d
00021ec0 l .debug_frame 00000000 $d
00021f00 l .debug_frame 00000000 $d
00021f28 l .debug_frame 00000000 $d
00021f50 l .debug_frame 00000000 $d
00021f90 l .debug_frame 00000000 $d
00022074 l .debug_frame 00000000 $d
00022114 l .debug_frame 00000000 $d
00022184 l .debug_frame 00000000 $d
00022220 l .debug_frame 00000000 $d
000232f4 l .debug_frame 00000000 $d
000234ac l .debug_frame 00000000 $d
00023518 l .debug_frame 00000000 $d
0002564c l .debug_frame 00000000 $d
0002593c l .debug_frame 00000000 $d
0002598c l .debug_frame 00000000 $d
00025b18 l .debug_frame 00000000 $d
00025b58 l .debug_frame 00000000 $d
00025ed4 l .debug_frame 00000000 $d
00026034 l .debug_frame 00000000 $d
000260e4 l .debug_frame 00000000 $d
00026e7c l .debug_frame 00000000 $d
00027628 l .debug_frame 00000000 $d
00027678 l .debug_frame 00000000 $d
00027720 l .debug_frame 00000000 $d
0002780c l .debug_frame 00000000 $d
00029950 l .debug_frame 00000000 $d
00029c40 l .debug_frame 00000000 $d
00029c90 l .debug_frame 00000000 $d
00029dc4 l .debug_frame 00000000 $d
00029e10 l .debug_frame 00000000 $d
00029e74 l .debug_frame 00000000 $d
00029f00 l .debug_frame 00000000 $d
0002b208 l .debug_frame 00000000 $d
0002b3b8 l .debug_frame 00000000 $d
0002b4dc l .debug_frame 00000000 $d
0002c7c8 l .debug_frame 00000000 $d
0002c848 l .debug_frame 00000000 $d
0002c898 l .debug_frame 00000000 $d
0002c8e8 l .debug_frame 00000000 $d
0002c938 l .debug_frame 00000000 $d
0002ca1c l .debug_frame 00000000 $d
0002ca58 l .debug_frame 00000000 $d
0002cba4 l .debug_frame 00000000 $d
0002cc0c l .debug_frame 00000000 $d
0002cc7c l .debug_frame 00000000 $d
0002ccdc l .debug_frame 00000000 $d
0002cd58 l .debug_frame 00000000 $d
0002ce30 l .debug_frame 00000000 $d
0002cecc l .debug_frame 00000000 $d
0002cfb8 l .debug_frame 00000000 $d
0002d164 l .debug_frame 00000000 $d
0002d1e8 l .debug_frame 00000000 $d
0002d218 l .debug_frame 00000000 $d
0002d2f4 l .debug_frame 00000000 $d
0002d32c l .debug_frame 00000000 $d
0002d410 l .debug_frame 00000000 $d
0002d598 l .debug_frame 00000000 $d
0002d64c l .debug_frame 00000000 $d
0002d6ac l .debug_frame 00000000 $d
0002d840 l .debug_frame 00000000 $d
0002d8f0 l .debug_frame 00000000 $d
0002db18 l .debug_frame 00000000 $d
0002dcd8 l .debug_frame 00000000 $d
0002e204 l .debug_frame 00000000 $d
0002e2f8 l .debug_frame 00000000 $d
0002e374 l .debug_frame 00000000 $d
0002e3c4 l .debug_frame 00000000 $d
0002e70c l .debug_frame 00000000 $d
0002fa94 l .debug_frame 00000000 $d
0002fae4 l .debug_frame 00000000 $d
0002fb34 l .debug_frame 00000000 $d
0003008c l .debug_frame 00000000 $d
000300b4 l .debug_frame 00000000 $d
00030278 l .debug_frame 00000000 $d
000304c8 l .debug_frame 00000000 $d
0000cbe4 l .debug_aranges 00000000 $d
000304e8 l .debug_frame 00000000 $d
0000cc04 l .debug_aranges 00000000 $d
0000cc24 l .debug_aranges 00000000 $d
00030508 l .debug_frame 00000000 $d
0000cc44 l .debug_aranges 00000000 $d
0000cc64 l .debug_aranges 00000000 $d
00030530 l .debug_frame 00000000 $d
00030550 l .debug_frame 00000000 $d
000305a0 l .debug_frame 00000000 $d
0000cce4 l .debug_aranges 00000000 $d
0003084c l .debug_frame 00000000 $d
00030938 l .debug_frame 00000000 $d
00030a6c l .debug_frame 00000000 $d
00030aa8 l .debug_frame 00000000 $d
0000cd84 l .debug_aranges 00000000 $d
0000cda4 l .debug_aranges 00000000 $d
000acb48 g F .text 00000154 _ZN10proxy_info18debug_sock_addr_inE11sockaddr_in
000acc9c g F .text 00000154 _ZN10proxy_info19debug_sock_addr_in6E12sockaddr_in6
Vinay Tomer
Jun 1, 2016, 7:31:42 AM6/1/16
to google-breakpad-discuss
On Tuesday, May 31, 2016 at 6:04:02 PM UTC+5:30, Primiano Tucci wrote:
I think what's happening is that the test.so file that you are passing to dump_syms is stripped.You need the unstripped .so with debug symbols (which typically is NOT what ends up on the device).
To create the sym i m following the below procedure.
XXX/obj/local/armeabi-v7a$ ~/dump/dump_syms test.so > test.symXXX/obj/local/armeabi-v7a$head -n1 test.symXXX/obj/local/armeabi-v7a$mkdir -p ./symbols/test/4DFCDE88787D852DABC1146F1C68406D0XXX/obj/local/armeabi-v7a$mv test.sym ./symbols/test/4DFCDE88787D852DABC1146F1C68406D0XXX/obj/local/armeabi-v7a$~/dump/minidump_stackwalk xxxx.dmp ./symbols
please let me know if i am doing something wrong.
complete decoded dump file is attached.
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