[GitHub] [incubator-nuttx] anchao opened a new pull request #5527: libs/libnx: workaround for compile issue on cortex-M0

[GitBox]

anchao opened a new pull request #5527:
URL: https://github.com/apache/incubator-nuttx/pull/5527


   ## Summary
   
   libs/libnx: workaround for compile issue on cortex-M0
   
   ```
   $ arm-none-eabi-gcc -c -g -Os -mcpu=cortex-m0 -isystem "include" -I 
"libs/libnx"   nxmu/nx_eventhandler.c -o  bin/nx_eventhandler.o
   /tmp/ccpLXGgi.s: Assembler messages:
   /tmp/ccpLXGgi.s: Error: unaligned opcodes detected in executable segment
   ```
   
   This issue only reproduced if run "**-g -Os -mcpu=cortex-m0**" at same time.
   
   ```
   $ arm-none-eabi-gcc -v
   gcc version 10.3.1 20210621 (release) (GNU Arm Embedded Toolchain 
10.3-2021.07)
   
   $ arm-none-eabi-gcc -c -g -Os -mcpu=cortex-m0 -isystem "include" -I 
"libs/libnx"   nxmu/nx_eventhandler.c -o  bin/nx_eventhandler.o
   /tmp/ccpLXGgi.s: Assembler messages:
   /tmp/ccpLXGgi.s: Error: unaligned opcodes detected in executable segment
   
   break line:
   106 int nx_eventhandler(NXHANDLE handle)
   107 {
   ...
   121           int errcode = _NX_GETERRNO(nbytes);
   ...
   ```
   
   Signed-off-by: chao.an <anc...@xiaomi.com>
   
   ## Impact
   
   link issue: https://github.com/apache/incubator-nuttx/issues/5449
   
   ## Testing
   
   ci check


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