arch: riscv: stacktrace: handle user threads
Handle user threads stack bound validation in
`in_stack_bound()` to get more accurate traces.
If `CONFIG_PMP_POWER_OF_TWO_ALIGNMENT` is enabled:
```
+------------+ <- thread.arch.priv_stack_start
| Guard | } Z_RISCV_STACK_GUARD_SIZE
+------------+
| Priv Stack | } CONFIG_PRIVILEGED_STACK_SIZE
+------------+ <- thread.arch.priv_stack_start +
CONFIG_PRIVILEGED_STACK_SIZE +
Z_RISCV_STACK_GUARD_SIZE
```
otherwise:
```
+------------+ <- thread.stack_obj
| Guard | } Z_RISCV_STACK_GUARD_SIZE
+------------+
| Priv Stack | } CONFIG_PRIVILEGED_STACK_SIZE
+------------+ <- thread.stack_info.start
| Thread |
| stack |
| |
+............|
| TLS | } thread.stack_info.delta
+------------+ <- thread.stack_info.start +
thread.stack_info.size
```
See: zephyr/include/zephyr/arch/riscv/arch.h
Signed-off-by: Yong Cong Sin <ycsin@meta.com>
1 file changed
