e474a9e822
* Log str repr of WASI errno at trace level
This commit refactors `Error` enum, and adds logging of the WASI
errno string representation at the trace level. Now, when tracing
WASI syscalls, we will be greeted with a nicely formatted errno
value after each syscall:
```
path_open(...)
| *fd=5
| errno=ESUCCESS
```
This commit gets rid of `errno_from_nix`, `errno_from_win` and
`errno_from_host` helper fns in favour of direct `From` implementations
for the relevant types such as `yanix::Errno` and `winx::winerror::WinError`.
`errno_from_host` is replaced by a trait `FromRawOsError`.
* Back port changes to snapshot0
* Fix indentation in logs
30 lines
1.2 KiB
Rust
30 lines
1.2 KiB
Rust
macro_rules! hostcalls {
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($(pub unsafe fn $name:ident($($arg:ident: $ty:ty,)*) -> $ret:ty;)*) => ($(
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#[wasi_common_cbindgen::wasi_common_cbindgen]
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pub unsafe fn $name($($arg: $ty,)*) -> $ret {
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let ret = crate::hostcalls_impl::$name($($arg,)*)
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.err()
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.unwrap_or(crate::Error::ESUCCESS)
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.as_wasi_error();
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log::trace!(" | errno={}", ret);
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ret.as_raw_errno()
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}
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)*)
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}
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// Like `hostcalls`, but uses `wasi_common_cbindgen_old`, which means
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// it doesn't declare a non-mangled function name.
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macro_rules! hostcalls_old {
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($(pub unsafe fn $name:ident($($arg:ident: $ty:ty,)*) -> $ret:ty;)*) => ($(
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#[wasi_common_cbindgen::wasi_common_cbindgen_old]
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pub unsafe fn $name($($arg: $ty,)*) -> $ret {
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let ret = crate::old::snapshot_0::hostcalls_impl::$name($($arg,)*)
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.err()
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.unwrap_or(crate::old::snapshot_0::Error::ESUCCESS)
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.as_wasi_error();
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log::trace!(" | errno={}", ret);
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ret.as_raw_errno()
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}
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)*)
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}
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