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Philipp Oppermann
2023-12-28 17:59:13 +01:00
parent 2676d69c31
commit 9080e69a09
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blog/content/edition-3/posts/01-minimal-kernel/index.md
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@@ -445,7 +445,7 @@ Afterwards, you can run the tools through `rust-nm`, `rust-objdump`, and `rust-s
[`cargo-binutils`]: https://github.com/rust-embedded/cargo-binutils
### `nm`
### List Symbols using `nm`
We defined a `_start` function as the entry point of our kernel.
To verify that it is properly exposed in the executable, we can run `nm` to list all the symbols defined in the executable:
@@ -463,7 +463,7 @@ If we comment out the `_start` function or if we remove the `#[no_mangle]` attri
This way we can ensure that we set the `_start` function correctly.
### `objdump`
### Inspect ELF File using `objdump`
The `objdump` tool can inspect different parts of executables that use the [ELF file format]. This is the file format that the `x86_64-unknown-none` target uses, so we can use `objdump` to inspect our kernel executable.