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fugg-fix-mapping
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Updated README

This commit is contained in:
gijs 2023-09-24 02:03:05 +02:00
parent 0e3e11e387
commit fdc1f0591d
4 changed files with 23 additions and 6 deletions
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4
Cargo.lock generated
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@ -19,9 +19,9 @@ checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"
[[package]] [[package]]
name = "parity-wasm" name = "parity-wasm"
version = "0.42.2" version = "0.45.0"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be5e13c266502aadf83426d87d81a0f5d1ef45b8027f5a471c360abfe4bfae92" checksum = "e1ad0aff30c1da14b1254fcb2af73e1fa9a28670e584a626f53a369d0e157304"
[[package]] [[package]]
name = "proc-macro2" name = "proc-macro2"

2
Cargo.toml
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@ -6,6 +6,6 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies] [dependencies]
parity-wasm = "0.42" parity-wasm = { version = "0.45", features = ["sign_ext"] }
serde = { version = "1.0", features = ["derive"] } serde = { version = "1.0", features = ["derive"] }
serde_json = "1.0" serde_json = "1.0"

1
README.md Normal file
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@ -0,0 +1 @@
Read import- and exported function symbols from [fugg-fetch](https://git.noest.dev/gijs/fugg-fetch) and applies them to a specified `client.wasm`.

22
src/main.rs
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@ -13,7 +13,7 @@ struct FunctionFile {
} }
fn main() { fn main() {
let directory = Path::new("../fugg-fetch/out/55"); let directory = Path::new("../fugg-fetch/out/134");
let input = directory.join("client-original.wasm"); let input = directory.join("client-original.wasm");
let output = directory.join("client.wasm"); let output = directory.join("client.wasm");
@ -27,8 +27,6 @@ fn main() {
file.read_to_string(&mut data).unwrap(); file.read_to_string(&mut data).unwrap();
let functions: FunctionFile = serde_json::from_str(&data).expect("JSON was not well-formatted"); let functions: FunctionFile = serde_json::from_str(&data).expect("JSON was not well-formatted");
println!("Functions: {:?}", functions);
const MODULE: &str = "env"; const MODULE: &str = "env";
@ -65,6 +63,24 @@ fn main() {
} }
} }
{
let code_section = module.code_section_mut().unwrap();
println!("Got {} function bodies", code_section.bodies().len());
// for entry in function_section.entries_mut() {
// let nice_name = functions.exports.get(entry.field());
// if let Some(nice_name) = nice_name {
// println!("Export: Renaming {} to {}", entry.field(), nice_name);
// *entry.field_mut() = String::from(nice_name);
// } else {
// println!("Export: Unable to find nice name for {}", entry.field());
// }
// }
}
let output_bytes = parity_wasm::serialize(module).unwrap(); let output_bytes = parity_wasm::serialize(module).unwrap();
let mut file = OpenOptions::new() let mut file = OpenOptions::new()
.write(true) .write(true)