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-rw-r--r--CHANGELOG.md2
-rw-r--r--README.md48
-rw-r--r--crates/parser/src/lib.rs2
-rw-r--r--crates/tinywasm/src/imports.rs4
-rw-r--r--crates/tinywasm/src/interpreter/executor.rs2
-rw-r--r--crates/tinywasm/src/store/mod.rs5
-rw-r--r--crates/tinywasm/tests/generated/wasm-1.csv2
-rw-r--r--crates/tinywasm/tests/generated/wasm-2.csv2
-rw-r--r--crates/tinywasm/tests/generated/wasm-multi-memory.csv2
-rw-r--r--crates/tinywasm/tests/test-wast.rs8
-rw-r--r--crates/tinywasm/tests/testsuite/mod.rs1
-rw-r--r--crates/tinywasm/tests/testsuite/run.rs7
m---------crates/wasm-testsuite/data0
13 files changed, 40 insertions, 45 deletions
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13a8097..52f93b3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Changed
+- Full support for Multi-Memory proposal
+- Extern tables now correctly update their type after growing
- Increased MSRV to 1.80.0
- Improved support for WebAssembly 2.0 features
- Simplify and optimize the interpreter loop
diff --git a/README.md b/README.md
index be30cda..0cf8b66 100644
--- a/README.md
+++ b/README.md
@@ -14,41 +14,35 @@
- **Tiny**: TinyWasm is designed to be as small as possible without significantly compromising performance or functionality (< 4000 LLOC).
- **Portable**: TinyWasm runs on any platform that Rust can target, including `no_std`, with minimal external dependencies.
-- **Safe**: No unsafe code is used in the runtime (`rkyv` which uses unsafe code can be used for serialization, but it is optional).
+- **Safe**: No unsafe code is used in the runtime (`rkyv` which uses unsafe code can be used for serialization, but is optional).
## Status
-As of version `0.3.0`, TinyWasm successfully passes all the WebAssembly 1.0 tests in the [WebAssembly Test Suite](https://github.com/WebAssembly/testsuite). Work on the 2.0 tests is ongoing. This enables TinyWasm to run most WebAssembly programs, including executing TinyWasm itself compiled to WebAssembly (see [examples/wasm-rust.rs](./examples/wasm-rust.rs)). The results of the testsuites are available [here](https://github.com/explodingcamera/tinywasm/tree/main/crates/tinywasm/tests/generated).
-
-The API is still unstable and may change at any time, so you probably don't want to use it in production _yet_. TinyWasm isn't primarily designed for high performance; it focuses more on simplicity, size, and portability. Benchmarks are currently being reworked and will be available again soon.
-
-**Future Development**: The first major version will focus on improving the API and adding support for [WASI](https://wasi.dev/). While doing so, I also want to further simplify and reduce the codebase's size and improve the parser's performance.
+TinyWasm passes all WebAssembly MVP tests from the [WebAssembly core testsuite](https://github.com/WebAssembly/testsuite) and is able to run most WebAssembly programs. Additionally, the current 2.0 Draft is mostly supported, with the exception of Fixed-Width SIMD and Memory64/Multiple Memories. See the [Supported Proposals](#supported-proposals) section for more information.
## Supported Proposals
-| Proposal | Implementation Status | Version |
-| -------------------------------------------------------------------------------------------------------------------------- | --------------------- | ------- |
-| [**Mutable Globals**](https://github.com/WebAssembly/mutable-global/blob/master/proposals/mutable-global/Overview.md) | Fully implemented | 0.2.0 |
-| [**Multi-value**](https://github.com/WebAssembly/spec/blob/master/proposals/multi-value/Overview.md) | Fully implemented | 0.2.0 |
-| [**Sign-extension operators**](https://github.com/WebAssembly/spec/blob/master/proposals/sign-extension-ops/Overview.md) | Fully implemented | 0.2.0 |
-| [**Bulk Memory Operations**](https://github.com/WebAssembly/spec/blob/master/proposals/bulk-memory-operations/Overview.md) | Fully implemented | 0.4.0 |
-| [**Reference Types**](https://github.com/WebAssembly/reference-types/blob/master/proposals/reference-types/Overview.md) | Partially implemented | N/A |
-| [**Multiple Memories**](https://github.com/WebAssembly/multi-memory/blob/master/proposals/multi-memory/Overview.md) | Partially implemented | N/A |
-| [**Memory64**](https://github.com/WebAssembly/memory64/blob/master/proposals/memory64/Overview.md) | Partially implemented | N/A |
-
-## Usage
-
-TinyWasm can be used through the `tinywasm-cli` CLI tool or as a library in your Rust project. Documentation can be found [here](https://docs.rs/tinywasm).
+**Legend**\
+🌑 -- not available\
+🚧 -- in development / partialy supported\
+🟢 -- fully supported
-### Library
+| Proposal | Status | TinyWasm Version |
+| -------------------------------------------------------------------------------------------------------------------------- | ------ | ---------------- |
+| [**Mutable Globals**](https://github.com/WebAssembly/mutable-global/blob/master/proposals/mutable-global/Overview.md) | 🟢 | 0.2.0 |
+| [**Non-trapping float-to-int Conversion**](https://github.com/WebAssembly/nontrapping-float-to-int-conversions) | 🟢 | 0.2.0 |
+| [**Sign-extension operators**](https://github.com/WebAssembly/sign-extension-ops) | 🟢 | 0.2.0 |
+| [**Multi-value**](https://github.com/WebAssembly/spec/blob/master/proposals/multi-value/Overview.md) | 🟢 | 0.2.0 |
+| [**Bulk Memory Operations**](https://github.com/WebAssembly/spec/blob/master/proposals/bulk-memory-operations/Overview.md) | 🟢 | 0.4.0 |
+| [**Reference Types**](https://github.com/WebAssembly/reference-types/blob/master/proposals/reference-types/Overview.md) | 🟢 | 0.7.0 |
+| [**Multiple Memories**](https://github.com/WebAssembly/multi-memory/blob/master/proposals/multi-memory/Overview.md) | 🟢 | 0.8.0 |
+| [**Memory64**](https://github.com/WebAssembly/memory64/blob/master/proposals/memory64/Overview.md) | 🚧 | N/A |
+| [**Fixed-Width SIMD**](https://github.com/webassembly/simd) | 🌑 | N/A |
-```sh
-$ cargo add tinywasm
-```
-
-### CLI
+## Usage
-The CLI is mainly available for testing purposes, but can also be used to run WebAssembly programs.
+See the [examples](./examples) directory and [documentation](https://docs.rs/tinywasm) for more information on how to use TinyWasm.
+For testing purposes, you can also use the `tinywasm-cli` tool:
```sh
$ cargo install tinywasm-cli
@@ -78,7 +72,7 @@ Big thanks to the authors of the following projects, which have inspired and inf
- [wazero](https://wazero.io/) - a zero-dependency WebAssembly interpreter written in go
- [wain](https://github.com/rhysd/wain) - a zero-dependency WebAssembly interpreter written in Rust
-I encourage you to check these projects out if you're looking for a more mature and feature-complete WebAssembly interpreter.
+I encourage you to check these projects out if you're looking for more mature and feature-complete WebAssembly Runtimes.
## License
diff --git a/crates/parser/src/lib.rs b/crates/parser/src/lib.rs
index 3e0559d..dfe6b0c 100644
--- a/crates/parser/src/lib.rs
+++ b/crates/parser/src/lib.rs
@@ -60,6 +60,7 @@ impl Parser {
saturating_float_to_int: true,
function_references: true,
tail_call: true,
+ multi_memory: true,
gc_types: true,
component_model: false,
@@ -74,7 +75,6 @@ impl Parser {
relaxed_simd: false,
simd: false,
threads: false,
- multi_memory: false, // should be working mostly
custom_page_sizes: false,
shared_everything_threads: false,
component_model_multiple_returns: false,
diff --git a/crates/tinywasm/src/imports.rs b/crates/tinywasm/src/imports.rs
index e015635..3a226f4 100644
--- a/crates/tinywasm/src/imports.rs
+++ b/crates/tinywasm/src/imports.rs
@@ -392,7 +392,9 @@ impl Imports {
}
(ExternVal::Table(table_addr), ImportKind::Table(ty)) => {
let table = store.get_table(table_addr);
- Self::compare_table_types(import, &table.kind, ty)?;
+ let mut kind = table.kind.clone();
+ kind.size_initial = table.size() as u32;
+ Self::compare_table_types(import, &kind, ty)?;
imports.tables.push(table_addr);
}
(ExternVal::Memory(memory_addr), ImportKind::Memory(ty)) => {
diff --git a/crates/tinywasm/src/interpreter/executor.rs b/crates/tinywasm/src/interpreter/executor.rs
index d7dbd81..c2df82c 100644
--- a/crates/tinywasm/src/interpreter/executor.rs
+++ b/crates/tinywasm/src/interpreter/executor.rs
@@ -540,7 +540,7 @@ impl<'store, 'stack> Executor<'store, 'stack> {
let (mem_from, mem_to) =
self.store.get_mems_mut(self.module.resolve_mem_addr(from), self.module.resolve_mem_addr(to))?;
- mem_to.copy_from_slice(dst as usize, mem_from.load(src as usize, size as usize)?)?;
+ mem_from.copy_from_slice(dst as usize, mem_to.load(src as usize, size as usize)?)?;
}
Ok(())
}
diff --git a/crates/tinywasm/src/store/mod.rs b/crates/tinywasm/src/store/mod.rs
index 64ad981..124b7dc 100644
--- a/crates/tinywasm/src/store/mod.rs
+++ b/crates/tinywasm/src/store/mod.rs
@@ -368,11 +368,6 @@ impl Store {
for (i, data) in datas.into_iter().enumerate() {
let data_val = match data.kind {
tinywasm_types::DataKind::Active { mem: mem_addr, offset } => {
- // a. Assert: memidx == 0
- if mem_addr != 0 {
- return Err(Error::UnsupportedFeature("data segments for non-zero memories".to_string()));
- }
-
let Some(mem_addr) = mem_addrs.get(mem_addr as usize) else {
return Err(Error::Other(format!("memory {mem_addr} not found for data segment {i}")));
};
diff --git a/crates/tinywasm/tests/generated/wasm-1.csv b/crates/tinywasm/tests/generated/wasm-1.csv
index 54ba900..158943a 100644
--- a/crates/tinywasm/tests/generated/wasm-1.csv
+++ b/crates/tinywasm/tests/generated/wasm-1.csv
@@ -4,4 +4,4 @@
0.5.0,27551,335,[{"name":"address.wast","passed":260,"failed":0},{"name":"align.wast","passed":156,"failed":0},{"name":"binary-leb128.wast","passed":91,"failed":0},{"name":"binary.wast","passed":112,"failed":0},{"name":"block.wast","passed":223,"failed":0},{"name":"br.wast","passed":97,"failed":0},{"name":"br_if.wast","passed":118,"failed":0},{"name":"br_table.wast","passed":174,"failed":0},{"name":"bulk.wast","passed":75,"failed":42},{"name":"call.wast","passed":91,"failed":0},{"name":"call_indirect.wast","passed":170,"failed":0},{"name":"comments.wast","passed":8,"failed":0},{"name":"const.wast","passed":778,"failed":0},{"name":"conversions.wast","passed":619,"failed":0},{"name":"custom.wast","passed":11,"failed":0},{"name":"data.wast","passed":61,"failed":0},{"name":"elem.wast","passed":99,"failed":0},{"name":"endianness.wast","passed":69,"failed":0},{"name":"exports.wast","passed":96,"failed":0},{"name":"f32.wast","passed":2514,"failed":0},{"name":"f32_bitwise.wast","passed":364,"failed":0},{"name":"f32_cmp.wast","passed":2407,"failed":0},{"name":"f64.wast","passed":2514,"failed":0},{"name":"f64_bitwise.wast","passed":364,"failed":0},{"name":"f64_cmp.wast","passed":2407,"failed":0},{"name":"fac.wast","passed":8,"failed":0},{"name":"float_exprs.wast","passed":900,"failed":0},{"name":"float_literals.wast","passed":163,"failed":0},{"name":"float_memory.wast","passed":90,"failed":0},{"name":"float_misc.wast","passed":441,"failed":0},{"name":"forward.wast","passed":5,"failed":0},{"name":"func.wast","passed":172,"failed":0},{"name":"func_ptrs.wast","passed":36,"failed":0},{"name":"global.wast","passed":110,"failed":0},{"name":"i32.wast","passed":460,"failed":0},{"name":"i64.wast","passed":416,"failed":0},{"name":"if.wast","passed":241,"failed":0},{"name":"imports.wast","passed":186,"failed":0},{"name":"inline-module.wast","passed":1,"failed":0},{"name":"int_exprs.wast","passed":108,"failed":0},{"name":"int_literals.wast","passed":51,"failed":0},{"name":"labels.wast","passed":29,"failed":0},{"name":"left-to-right.wast","passed":96,"failed":0},{"name":"linking.wast","passed":132,"failed":0},{"name":"load.wast","passed":97,"failed":0},{"name":"local_get.wast","passed":36,"failed":0},{"name":"local_set.wast","passed":53,"failed":0},{"name":"local_tee.wast","passed":97,"failed":0},{"name":"loop.wast","passed":120,"failed":0},{"name":"memory.wast","passed":79,"failed":0},{"name":"memory_copy.wast","passed":4450,"failed":0},{"name":"memory_fill.wast","passed":100,"failed":0},{"name":"memory_grow.wast","passed":96,"failed":0},{"name":"memory_init.wast","passed":240,"failed":0},{"name":"memory_redundancy.wast","passed":8,"failed":0},{"name":"memory_size.wast","passed":42,"failed":0},{"name":"memory_trap.wast","passed":182,"failed":0},{"name":"names.wast","passed":486,"failed":0},{"name":"nop.wast","passed":88,"failed":0},{"name":"ref_func.wast","passed":9,"failed":8},{"name":"ref_is_null.wast","passed":4,"failed":12},{"name":"ref_null.wast","passed":1,"failed":2},{"name":"return.wast","passed":84,"failed":0},{"name":"select.wast","passed":148,"failed":0},{"name":"skip-stack-guard-page.wast","passed":11,"failed":0},{"name":"stack.wast","passed":7,"failed":0},{"name":"start.wast","passed":20,"failed":0},{"name":"store.wast","passed":68,"failed":0},{"name":"switch.wast","passed":28,"failed":0},{"name":"table-sub.wast","passed":2,"failed":0},{"name":"table.wast","passed":19,"failed":0},{"name":"table_copy.wast","passed":1613,"failed":115},{"name":"table_fill.wast","passed":23,"failed":22},{"name":"table_get.wast","passed":10,"failed":6},{"name":"table_grow.wast","passed":21,"failed":29},{"name":"table_init.wast","passed":719,"failed":61},{"name":"table_set.wast","passed":19,"failed":7},{"name":"table_size.wast","passed":8,"failed":31},{"name":"token.wast","passed":58,"failed":0},{"name":"traps.wast","passed":36,"failed":0},{"name":"type.wast","passed":3,"failed":0},{"name":"unreachable.wast","passed":64,"failed":0},{"name":"unreached-invalid.wast","passed":118,"failed":0},{"name":"unreached-valid.wast","passed":7,"failed":0},{"name":"unwind.wast","passed":50,"failed":0},{"name":"utf8-custom-section-id.wast","passed":176,"failed":0},{"name":"utf8-import-field.wast","passed":176,"failed":0},{"name":"utf8-import-module.wast","passed":176,"failed":0},{"name":"utf8-invalid-encoding.wast","passed":176,"failed":0}]
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diff --git a/crates/tinywasm/tests/generated/wasm-2.csv b/crates/tinywasm/tests/generated/wasm-2.csv
index 1836b70..b5ba154 100644
--- a/crates/tinywasm/tests/generated/wasm-2.csv
+++ b/crates/tinywasm/tests/generated/wasm-2.csv
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diff --git a/crates/tinywasm/tests/generated/wasm-multi-memory.csv b/crates/tinywasm/tests/generated/wasm-multi-memory.csv
index 0689227..f0f8400 100644
--- a/crates/tinywasm/tests/generated/wasm-multi-memory.csv
+++ b/crates/tinywasm/tests/generated/wasm-multi-memory.csv
@@ -1 +1 @@
-0.8.0-alpha.0,815,896,[{"name":"address0.wast","passed":0,"failed":92},{"name":"address1.wast","passed":0,"failed":127},{"name":"align0.wast","passed":0,"failed":5},{"name":"binary.wast","passed":124,"failed":0},{"name":"binary0.wast","passed":2,"failed":5},{"name":"data.wast","passed":61,"failed":0},{"name":"data0.wast","passed":5,"failed":2},{"name":"data1.wast","passed":1,"failed":13},{"name":"data_drop0.wast","passed":0,"failed":11},{"name":"exports0.wast","passed":4,"failed":4},{"name":"float_exprs0.wast","passed":0,"failed":14},{"name":"float_exprs1.wast","passed":0,"failed":3},{"name":"float_memory0.wast","passed":0,"failed":30},{"name":"imports.wast","passed":183,"failed":0},{"name":"imports0.wast","passed":0,"failed":8},{"name":"imports1.wast","passed":0,"failed":5},{"name":"imports2.wast","passed":9,"failed":11},{"name":"imports3.wast","passed":0,"failed":10},{"name":"imports4.wast","passed":0,"failed":16},{"name":"linking0.wast","passed":3,"failed":3},{"name":"linking1.wast","passed":0,"failed":14},{"name":"linking2.wast","passed":0,"failed":11},{"name":"linking3.wast","passed":6,"failed":8},{"name":"load.wast","passed":99,"failed":19},{"name":"load0.wast","passed":0,"failed":3},{"name":"load1.wast","passed":2,"failed":16},{"name":"load2.wast","passed":0,"failed":38},{"name":"memory-multi.wast","passed":0,"failed":6},{"name":"memory.wast","passed":86,"failed":0},{"name":"memory_copy0.wast","passed":0,"failed":29},{"name":"memory_copy1.wast","passed":0,"failed":14},{"name":"memory_fill0.wast","passed":0,"failed":16},{"name":"memory_grow.wast","passed":99,"failed":50},{"name":"memory_init0.wast","passed":0,"failed":13},{"name":"memory_size.wast","passed":43,"failed":6},{"name":"memory_size0.wast","passed":0,"failed":8},{"name":"memory_size1.wast","passed":0,"failed":15},{"name":"memory_size2.wast","passed":0,"failed":21},{"name":"memory_size3.wast","passed":2,"failed":0},{"name":"memory_trap0.wast","passed":0,"failed":14},{"name":"memory_trap1.wast","passed":0,"failed":168},{"name":"simd_memory-multi.wast","passed":0,"failed":1},{"name":"start0.wast","passed":0,"failed":9},{"name":"store.wast","passed":78,"failed":33},{"name":"store0.wast","passed":0,"failed":5},{"name":"store1.wast","passed":8,"failed":5},{"name":"traps0.wast","passed":0,"failed":15}]
+0.8.0-alpha.0,1710,1,[{"name":"address0.wast","passed":92,"failed":0},{"name":"address1.wast","passed":127,"failed":0},{"name":"align0.wast","passed":5,"failed":0},{"name":"binary.wast","passed":124,"failed":0},{"name":"binary0.wast","passed":7,"failed":0},{"name":"data.wast","passed":61,"failed":0},{"name":"data0.wast","passed":7,"failed":0},{"name":"data1.wast","passed":14,"failed":0},{"name":"data_drop0.wast","passed":11,"failed":0},{"name":"exports0.wast","passed":8,"failed":0},{"name":"float_exprs0.wast","passed":14,"failed":0},{"name":"float_exprs1.wast","passed":3,"failed":0},{"name":"float_memory0.wast","passed":30,"failed":0},{"name":"imports.wast","passed":183,"failed":0},{"name":"imports0.wast","passed":8,"failed":0},{"name":"imports1.wast","passed":5,"failed":0},{"name":"imports2.wast","passed":20,"failed":0},{"name":"imports3.wast","passed":10,"failed":0},{"name":"imports4.wast","passed":16,"failed":0},{"name":"linking0.wast","passed":6,"failed":0},{"name":"linking1.wast","passed":14,"failed":0},{"name":"linking2.wast","passed":11,"failed":0},{"name":"linking3.wast","passed":14,"failed":0},{"name":"load.wast","passed":118,"failed":0},{"name":"load0.wast","passed":3,"failed":0},{"name":"load1.wast","passed":18,"failed":0},{"name":"load2.wast","passed":38,"failed":0},{"name":"memory-multi.wast","passed":6,"failed":0},{"name":"memory.wast","passed":86,"failed":0},{"name":"memory_copy0.wast","passed":29,"failed":0},{"name":"memory_copy1.wast","passed":14,"failed":0},{"name":"memory_fill0.wast","passed":16,"failed":0},{"name":"memory_grow.wast","passed":149,"failed":0},{"name":"memory_init0.wast","passed":13,"failed":0},{"name":"memory_size.wast","passed":49,"failed":0},{"name":"memory_size0.wast","passed":8,"failed":0},{"name":"memory_size1.wast","passed":15,"failed":0},{"name":"memory_size2.wast","passed":21,"failed":0},{"name":"memory_size3.wast","passed":2,"failed":0},{"name":"memory_trap0.wast","passed":14,"failed":0},{"name":"memory_trap1.wast","passed":168,"failed":0},{"name":"simd_memory-multi.wast","passed":0,"failed":1},{"name":"start0.wast","passed":9,"failed":0},{"name":"store.wast","passed":111,"failed":0},{"name":"store0.wast","passed":5,"failed":0},{"name":"store1.wast","passed":13,"failed":0},{"name":"traps0.wast","passed":15,"failed":0}]
diff --git a/crates/tinywasm/tests/test-wast.rs b/crates/tinywasm/tests/test-wast.rs
index 98302f9..f79681c 100644
--- a/crates/tinywasm/tests/test-wast.rs
+++ b/crates/tinywasm/tests/test-wast.rs
@@ -8,11 +8,7 @@ mod testsuite;
fn main() -> Result<()> {
let args = std::env::args().collect::<Vec<_>>();
- if args.len() < 2 || args[1] != "--enable" {
- return Ok(());
- }
-
- if args.len() < 3 {
+ if args.len() < 2 {
bail!("usage: cargo test-wast <wast-file>")
};
@@ -22,7 +18,7 @@ fn main() -> Result<()> {
// if current dir is crates/tinywasm, then we want to go up 2 levels
let mut wast_file = if cwd.ends_with("crates/tinywasm") { PathBuf::from("../../") } else { PathBuf::from("./") };
- wast_file.push(&args[2]);
+ wast_file.push(&args[1]);
let wast_file = cwd.join(wast_file);
test_wast(wast_file.to_str().expect("wast_file is not a valid path"))?;
diff --git a/crates/tinywasm/tests/testsuite/mod.rs b/crates/tinywasm/tests/testsuite/mod.rs
index 3648b3e..ca62d4e 100644
--- a/crates/tinywasm/tests/testsuite/mod.rs
+++ b/crates/tinywasm/tests/testsuite/mod.rs
@@ -1,3 +1,4 @@
+#![allow(unused)]
use eyre::Result;
use owo_colors::OwoColorize;
use std::io::{BufRead, Seek, SeekFrom};
diff --git a/crates/tinywasm/tests/testsuite/run.rs b/crates/tinywasm/tests/testsuite/run.rs
index a30cf2b..ca788fb 100644
--- a/crates/tinywasm/tests/testsuite/run.rs
+++ b/crates/tinywasm/tests/testsuite/run.rs
@@ -246,7 +246,12 @@ impl TestSuite {
);
}
- AssertInvalid { span, mut module, message: _ } => {
+ AssertInvalid { span, mut module, message } => {
+ if ["multiple memories"].contains(&message) {
+ test_group.add_result(&format!("AssertInvalid({i})"), span.linecol_in(wast), Ok(()));
+ continue;
+ }
+
let res = catch_unwind_silent(move || parse_module_bytes(&module.encode().unwrap()))
.map_err(|e| eyre!("failed to parse module (invalid): {:?}", try_downcast_panic(e)))
.and_then(|res| res);
diff --git a/crates/wasm-testsuite/data b/crates/wasm-testsuite/data
-Subproject 7570678ade1244ae69c9fefc990f4534c63ffae
+Subproject ae5a66933070b705dde56c2a71bf3fbc3328286
generated by cgit v1.3.1 (git 2.54.0) at 2026-08-03 15:00:35 +0000