anchao opened a new pull request, #7260: URL: https://github.com/apache/incubator-nuttx/pull/7260
## Summary arm/backtrace: add support for EHABI(Exception Handling ABI) stack unwinder Reference: https://github.com/ARM-software/abi-aa/blob/main/ehabi32/ehabi32.rst https://github.com/ARM-software/abi-aa/releases/download/2022Q1/ehabi32.pdf Signed-off-by: chao an <anc...@xiaomi.com> ## Impact N/A ## Testing lm3s6965-ek/qemu-flat ``` $ qemu-system-arm -semihosting -M lm3s6965evb -device loader,file=nuttx.bin,addr=0x00000000 -netdev user,id=user0 -nic user,id=user0 -serial mon:stdio -nographic ABCDF NuttShell (NSH) NuttX-10.4.0 nsh> ps PID GROUP PRI POLICY TYPE NPX STATE EVENT SIGMASK STACK USED FILLED COMMAND 0 0 0 FIFO Kthread N-- Ready 00000000 001000 000372 37.2% Idle Task 1 1 224 RR Kthread --- Waiting Semaphore 00000000 001992 000280 14.0% hpwork 0x20000970 2 2 100 RR Task --- Running 00000000 002000 001144 57.2% nsh_main nsh> dumpstack 0 [ 3] backtrace| 0: 0x00005f18 0x00002120 nsh> dumpstack 1 [ 7] backtrace| 1: 0x00006326 0x0000631c 0x00003010 0x00003038 0x00002a6a 0x0000286e nsh> dumpstack 2 [11] backtrace| 2: 0x00006326 0x0000631c 0x00003010 0x00010f74 0x00010f82 0x0000a90c 0x00006fda 0x00007bfe [11] backtrace| 2: 0x00006ada 0x0000677c 0x00006732 0x00004b96 0x00002884 nsh> dumpstack [15] backtrace|15: 0x00015c8a 0x0001242e 0x000141fc 0x00004b96 0x00002884 nsh> ``` ``` Thread 0 (Idle Task): $ arm-none-eabi-addr2line -e nuttx 0x00005f18 0x00002120 nuttx/arch/arm/src/chip/common/tiva_idle.c:59 nuttx/sched/init/nx_start.c:690 (discriminator 1) Thread 1 (hpwork): $ arm-none-eabi-addr2line -e nuttx 0x00006326 0x0000631c 0x00003010 0x00003038 0x00002a6a 0x0000286e nuttx/include/arch/syscall.h:186 nuttx/arch/arm/src/common/arm_blocktask.c:136 nuttx/sched/semaphore/sem_wait.c:155 (discriminator 2) nuttx/sched/semaphore/sem_wait.c:224 (discriminator 1) nuttx/sched/wqueue/kwork_thread.c:147 nuttx/sched/task/task_start.c:129 Thread 2 (nsh_main): $ arm-none-eabi-addr2line -e nuttx 0x00006326 0x0000631c 0x00003010 0x00010f74 0x00010f82 0x0000a90c 0x00006fda 0x00007bfe 0x00006ada 0x0000677c 0x00006732 0x00004b96 0x00002884 nuttx/include/arch/syscall.h:186 nuttx/arch/arm/src/common/arm_blocktask.c:136 nuttx/sched/semaphore/sem_wait.c:155 (discriminator 2) nuttx/sched/sched/sched_waitpid.c:127 nuttx/sched/sched/sched_waitpid.c:597 apps/nshlib/nsh_builtin.c:160 apps/nshlib/nsh_parse.c:530 apps/nshlib/nsh_parse.c:2594 apps/nshlib/nsh_session.c:217 apps/nshlib/nsh_consolemain.c:106 (discriminator 2) apps/system/nsh/nsh_main.c:154 nuttx/libs/libc/sched/task_startup.c:70 (discriminator 2) nuttx/sched/task/task_start.c:134 Thread 15 (dumpstack self): $ arm-none-eabi-addr2line -e nuttx 0x00015c8a 0x0001242e 0x000141fc 0x00004b96 0x00002884 arm_backtrace_unwind.c:? nuttx/libs/libc/sched/sched_dumpstack.c:69 apps/system/dumpstack/dumpstack.c:65 (discriminator 1) nuttx/libs/libc/sched/task_startup.c:70 (discriminator 2) nuttx/sched/task/task_start.c:134 ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
