a-lunev commented on issue #3737:
URL:
https://github.com/apache/incubator-nuttx/issues/3737#issuecomment-846455304
Hi @btashton and @patacongo,
After the symbol table creation was fixed for nxflat example, I tested
`-mno-pic-data-is-text-relative` flag and it really helped, thank you!
However, there is a hard fault for the "struct" test ("errno" and "hello"
tests work well):
```
$ qemu-system-arm -semihosting -M lm3s6965evb -netdev user,id=user0 -nic
user,id=user0 -serial mon:stdio -kernel nuttx.bin
Registering romdisk
Mounting ROMFS filesystem at target=/mnt/romfs with source=/dev/ram0
****************************************************************************
* Executing errno
****************************************************************************
Wait a bit for test completion
Hello, World on stdout
Hello, World on stderr
We failed to open "aflav-sautga-ay!" errno is 2
****************************************************************************
* Executing hello
****************************************************************************
Wait a bit for test completion
Getting ready to say "Hello, world"
Hello, world!
It has been said.
argc = 1
argv = 0x0x20005130
argv[0] = (0x0x20005138) "<noname>"
argv[1] = 0x0
Goodbye, world!
****************************************************************************
* Executing struct
****************************************************************************
Wait a bit for test completion
Calling getstruct()
getstruct returned 0x20004db0
n = 42 (vs 42) PASS
pn = 0x20004da4 (vs 0x20004da4) PASS
*pn = 87 (vs 87) PASS
ps = 0xde5c (vs 0xde5c) PASS
ps->n = 117 (vs 117) PASS
pf = 0xdcec (vs 0xdcec) PASS
Calling mystruct->pf()
arm_hardfault: PANIC!!! Hard fault: 40000000
up_assert: Assertion failed at file:armv7-m/arm_hardfault.c line: 135
up_registerdump: R0: 00000017 0000df4b 00007fff 0000dcec 20004db0 0000dcec
00000000 00000000
up_registerdump: R8: 00000000 00000000 20004d60 00000000 0000a0cf 20006218
0000ddfd 0000dcec
up_registerdump: xPSR: 60000000 PRIMASK: 00000000 CONTROL: 00000000
up_registerdump: EXC_RETURN: fffffff9
up_dumpstate: sp: 20006150
up_dumpstate: stack base: 20005a58
up_dumpstate: stack size: 000007e8
up_stackdump: 20006140: 20005a58 20004e20 20002338 0000498f 00000000
00000000 00000000 0000a0cf
up_stackdump: 20006160: 20006218 0000ddfd 0000dcec 00004085 00000000
0000dcea 0000e60b 200061cc
up_stackdump: 20006180: 00000000 00000000 00000000 000036dd 0000d35c
00000e59 00000e19 20002338
up_stackdump: 200061a0: 00000003 00001137 00000004 00000c99 00000000
200061cc 0000dcec 00000000
up_stackdump: 200061c0: 00000000 00000295 20004fd8 20006218 00000000
20004db0 0000dcec 00000000
up_stackdump: 200061e0: 00000000 00000000 00000000 20004d60 00000000
fffffff9 00000017 0000df4b
up_stackdump: 20006200: 00007fff 0000dcec 0000a0cf 0000ddfd 0000dcec
60000000 0000dd21 20004e20
up_stackdump: 20006220: 0000dd21 000038dd 00000000 00001517 00000000
00000000 00000000 00000000
```
Do you have idea what the cause may be?
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