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Merge pull request #177 from ferrous-systems/update-probe-run-output

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Update probe-run output to newer versions
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Tanks Transfeld 2021-12-20 13:54:39 +01:00 committed by GitHub
parent f6dfe22472 d7f4b6ab13
commit 8b15469bd3
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4 changed files with 33 additions and 33 deletions
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3
boards/dk/src/lib.rs
View file

@ -321,8 +321,7 @@ fn RTC0() {
unsafe { core::mem::transmute::<_, RTC0>(()).events_ovrflw.reset() }
}
/// Exits the application and prints a backtrace when the program is executed through the `probe-run`
/// Cargo runner
/// Exits the application when the program is executed through the `probe-run` Cargo runner
pub fn exit() -> ! {
log::info!("`dk::exit() called; exiting ...`");
// force any pending memory operation to complete before the BKPT instruction that follows

28
embedded-workshop-book/src/panicking.md
View file

@ -5,20 +5,28 @@
This program attempts to index an array beyond its length and this results in a panic.
``` console
(HOST) INFO flashing program (34.79 KiB)
(HOST) INFO success!
────────────────────────────────────────────────────────────────────────────────
ERROR:panic_log -- panicked at 'index out of bounds: the len is 3 but the index is 3', src/bin/panic.rs:29:13
────────────────────────────────────────────────────────────────────────────────
stack backtrace:
0: 0x000022f0 - __bkpt
1: 0x00002010 - rust_begin_unwind
2: 0x00000338 - core::panicking::panic_fmt
3: 0x00000216 - core::panicking::panic_bounds_check
4: 0x0000016a - panic::bar
5: 0x00000158 - panic::foo
6: 0x00000192 - panic::__cortex_m_rt_main
7: 0x00000178 - main
8: 0x0000199e - Reset
0: HardFaultTrampoline
<exception entry>
[...]
7: panic::bar
at src/bin/panic.rs:29:13
8: panic::foo
at src/bin/panic.rs:22:5
9: panic::__cortex_m_rt_main
at src/bin/panic.rs:12:5
10: main
at src/bin/panic.rs:8:1
[...]
(HOST) ERROR the program panicked
```
In `no_std` programs the behavior of panic is defined using the `#[panic_handler]` attribute. In the example, the *panic handler* is defined in the `panic_log` crate but we can also implement it manually:
In `no_std` programs the behavior of panic is defined using the `#[panic_handler]` attribute. In the example, the *panic handler* is defined in the `panic_log` crate but we can also implement it manually:
✅ Comment out the `panic_log` import and add the following function to the example:

17
embedded-workshop-book/src/running-from-vsc.md
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@ -14,20 +14,13 @@ Expected output:
``` console
$ cargo run --bin hello
Running `probe-run --chip nRF52840_xxAA target/thumbv7em-none-eabihf/debug/hello`
(HOST) INFO flashing program (30.09 KiB)
(HOST) INFO success!
(HOST) INFO flashing program (34.79 KiB)
(HOST) INFO success!
────────────────────────────────────────────────────────────────────────────────
INFO:hello -- Hello, world!
stack backtrace:
0: __bkpt
1: hello::__cortex_m_rt_main
at src/bin/hello.rs:15
2: main
at src/bin/hello.rs:8
3: ResetTrampoline
at $REGISTRY/cortex-m-rt-0.6.13/src/lib.rs:547
4: Reset
at $REGISTRY/cortex-m-rt-0.6.13/src/lib.rs:550
────────────────────────────────────────────────────────────────────────────────
(HOST) INFO device halted without error
```
`cargo run` will compile the application and then invoke the `probe-run` tool with its argument set to the path of the output ELF file.

18
embedded-workshop-book/src/stack-overflow-protection.md
View file

@ -16,24 +16,24 @@ The `spam()` function allocates data on the stack until the stack boundaries are
✅ Run `stack_overflow.rs`
You should see output similar to this:
You should see output similar to this (the program output between the horizontal bars might be missing):
``` console
(...)
(HOST) INFO flashing program (32.68 KiB)
(HOST) INFO success!
(HOST) INFO flashing program (35.25 KiB)
(HOST) INFO success!
────────────────────────────────────────────────────────────────────────────────
INFO:stack_overflow -- provoking stack overflow...
INFO:stack_overflow -- address of current `use_stack` at recursion depth 0: 0x2003aec0
INFO:stack_overflow -- address of current `use_stack` at recursion depth 1: 0x20039e50
(...)
INFO:stack_overflow -- address of current `use_stack` at recursion depth 10: 0x20030a60
INFO:stack_overflow -- address of current `use_stack` at recursionstack backtrace:
INFO:stack_overflow -- address of current `use_stack` at recursion
────────────────────────────────────────────────────────────────────────────────
stack backtrace:
0: HardFaultTrampoline
<exception entry>
1: ???
error: the stack appears to be corrupted beyond this point
(HOST) ERROR the program has overflowed its stack
(HOST) WARN call stack was corrupted; unwinding could not be completed
(HOST) ERROR the program has overflowed its stack
```
❗️ `flip-link` is a third-party tool, so make sure you've installed it through `cargo install flip-link`
@ -51,4 +51,4 @@ If you'd like to use `flip-link` in your own projects, this is all you need to a
[`flip-link`]: https://github.com/knurling-rs/flip-link
[`flip-link` README]: https://github.com/knurling-rs/flip-link/blob/main/README.md
[`flip-link` README]: https://github.com/knurling-rs/flip-link/blob/main/README.md