yurivict opened a new issue, #2072:
URL: https://github.com/apache/incubator-brpc/issues/2072
**Describe the bug (描述bug)**
```
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:291:5:
error: unknown type name 'greg_t'
greg_t value;
^
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:314:38:
error: no member named 'gregs' in '__mcontext'
{ " r8: ", context->uc_mcontext.gregs[REG_R8] },
~~~~~~~~~~~~~~~~~~~~ ^
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:314:44:
error: use of undeclared identifier 'REG_R8'
{ " r8: ", context->uc_mcontext.gregs[REG_R8] },
^
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:315:38:
error: no member named 'gregs' in '__mcontext'
{ " r9: ", context->uc_mcontext.gregs[REG_R9] },
~~~~~~~~~~~~~~~~~~~~ ^
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:315:44:
error: use of undeclared identifier 'REG_R9'
{ " r9: ", context->uc_mcontext.gregs[REG_R9] },
^
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:316:38:
error: no member named 'gregs' in '__mcontext'
{ " r10: ", context->uc_mcontext.gregs[REG_R10] },
~~~~~~~~~~~~~~~~~~~~ ^
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:316:44:
error: use of undeclared identifier 'REG_R10'
{ " r10: ", context->uc_mcontext.gregs[REG_R10] },
^
/usr/ports/devel/brpc/work/incubator-brpc-1.3.0/src/butil/debug/stack_trace_posix.cc:317:38:
error: no member named 'gregs' in '__mcontext'
{ " r11: ", context->uc_mcontext.gregs[REG_R11] },
~~~~~~~~~~~~~~~~~~~~ ^
```
The project doesn't define greg_t anywhere.
clang-14
FreeBSD 13.1
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