[riot-devel] Hardfault when linking OpenThread library

Jose Alamos jialamos at uc.cl
Fri Jun 17 13:51:10 CEST 2016


Hi community,

I'm having a weird hardfault when I'm linking the OpenThread library to
RIOT. After running GDB, I noticed the hardfault is before accessing main()
function (so shouldn't be a problem of the port itself).

RIOT is crashing in this line [1]. Here's the content of hardfault:

2016-06-17 13:40:42,716 - INFO # Context before hardfault:
2016-06-17 13:40:42,718 - INFO #    r0: 0x00000000
2016-06-17 13:40:42,719 - INFO #    r1: 0x00000655
2016-06-17 13:40:42,721 - INFO #    r2: 0x00000000
2016-06-17 13:40:42,722 - INFO #    r3: 0x000058c4
2016-06-17 13:40:42,724 - INFO #   r12: 0x00000000
2016-06-17 13:40:42,726 - INFO #    lr: 0x00021ea7
2016-06-17 13:40:42,727 - INFO #    pc: 0x000058c4
2016-06-17 13:40:42,729 - INFO #   psr: 0x40000000
2016-06-17 13:40:42,729 - INFO #
2016-06-17 13:40:42,729 - INFO # Misc
2016-06-17 13:40:42,731 - INFO # EXC_RET: 0xfffffff9
2016-06-17 13:40:42,735 - INFO # Attempting to reconstruct state for
debugging...
2016-06-17 13:40:42,736 - INFO # In GDB:
2016-06-17 13:40:42,737 - INFO #   set $pc=0x58c4
2016-06-17 13:40:42,738 - INFO #   frame 0
2016-06-17 13:40:42,739 - INFO #   bt


The OpenThread library is in C++, I programmed the hooks in C and C++ but I
get the same hardfault.

Any clue?
Cheers

[1]:
https://github.com/RIOT-OS/RIOT/blob/b5497c3be43bdfecb0fb10e84bffbbd76d7a1ca1/cpu/cortexm_common/vectors_cortexm.c#L113
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