diff --git a/.github/workflows/checks-quick.yml b/.github/workflows/checks-quick.yml index c733a2517cb8..4c26b85a6303 100644 --- a/.github/workflows/checks-quick.yml +++ b/.github/workflows/checks-quick.yml @@ -97,7 +97,6 @@ jobs: --exclude "substrate/frame/contracts/fixtures/build" "substrate/frame/contracts/fixtures/contracts/common" - "substrate/frame/revive/fixtures/build" "substrate/frame/revive/fixtures/contracts/common" - name: deny git deps run: python3 .github/scripts/deny-git-deps.py . diff --git a/Cargo.lock b/Cargo.lock index 84477cd05416..e1abeea49283 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -5975,6 +5975,15 @@ dependencies = [ "dirs-sys-next", ] +[[package]] +name = "dirs" +version = "5.0.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "44c45a9d03d6676652bcb5e724c7e988de1acad23a711b5217ab9cbecbec2225" +dependencies = [ + "dirs-sys", +] + [[package]] name = "dirs-sys" version = "0.4.1" @@ -14646,7 +14655,7 @@ dependencies = [ "pallet-utility 28.0.0", "parity-scale-codec", "paste", - "polkavm 0.13.0", + "polkavm 0.17.0", "pretty_assertions", "rlp 0.6.1", "scale-info", @@ -14742,12 +14751,10 @@ dependencies = [ "anyhow", "frame-system 28.0.0", "log", - "parity-wasm", - "polkavm-linker 0.14.0", + "polkavm-linker 0.17.0", "sp-core 28.0.0", "sp-io 30.0.0", "sp-runtime 31.0.1", - "tempfile", "toml 0.8.12", ] @@ -14864,7 +14871,7 @@ dependencies = [ "bitflags 1.3.2", "parity-scale-codec", "paste", - "polkavm-derive 0.14.0", + "polkavm-derive 0.17.0", "scale-info", ] @@ -19699,15 +19706,15 @@ dependencies = [ [[package]] name = "polkavm" -version = "0.13.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "57e79a14b15ed38cb5b9a1e38d02e933f19e3d180ae5b325fed606c5e5b9177e" +checksum = "84979be196ba2855f73616413e7b1d18258128aa396b3dc23f520a00a807720e" dependencies = [ "libc", "log", - "polkavm-assembler 0.13.0", - "polkavm-common 0.13.0", - "polkavm-linux-raw 0.13.0", + "polkavm-assembler 0.17.0", + "polkavm-common 0.17.0", + "polkavm-linux-raw 0.17.0", ] [[package]] @@ -19730,9 +19737,9 @@ dependencies = [ [[package]] name = "polkavm-assembler" -version = "0.13.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4e8da55465000feb0a61bbf556ed03024db58f3420eca37721fc726b3b2136bf" +checksum = "0ba7b434ff630b0f73a1560e8baea807246ca22098abe49f97821e0e2d2accc4" dependencies = [ "log", ] @@ -19764,20 +19771,14 @@ dependencies = [ [[package]] name = "polkavm-common" -version = "0.13.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "084b4339aae7dfdaaa5aa7d634110afd95970e0737b6fb2a0cb10db8b56b753c" +checksum = "8f0dbafef4ab6ceecb4982ac3b550df430ef4f9fdbf07c108b7d4f91a0682fce" dependencies = [ "log", - "polkavm-assembler 0.13.0", + "polkavm-assembler 0.17.0", ] -[[package]] -name = "polkavm-common" -version = "0.14.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "711952a783e9c5ad407cdacb1ed147f36d37c5d43417c1091d86456d2999417b" - [[package]] name = "polkavm-derive" version = "0.8.0" @@ -19807,11 +19808,11 @@ dependencies = [ [[package]] name = "polkavm-derive" -version = "0.14.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b4832a0aebf6cefc988bb7b2d74ea8c86c983164672e2fc96300f356a1babfc1" +checksum = "c0c3dbb6c8c7bd3e5f5b05aa7fc9355acf14df7ce5d392911e77d01090a38d0d" dependencies = [ - "polkavm-derive-impl-macro 0.14.0", + "polkavm-derive-impl-macro 0.17.0", ] [[package]] @@ -19852,11 +19853,11 @@ dependencies = [ [[package]] name = "polkavm-derive-impl" -version = "0.14.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e339fc7c11310fe5adf711d9342278ac44a75c9784947937cce12bd4f30842f2" +checksum = "42565aed4adbc4034612d0b17dea8db3681fb1bd1aed040d6edc5455a9f478a1" dependencies = [ - "polkavm-common 0.14.0", + "polkavm-common 0.17.0", "proc-macro2 1.0.86", "quote 1.0.37", "syn 2.0.87", @@ -19894,11 +19895,11 @@ dependencies = [ [[package]] name = "polkavm-derive-impl-macro" -version = "0.14.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b569754b15060d03000c09e3bf11509d527f60b75d79b4c30c3625b5071d9702" +checksum = "86d9838e95241b0bce4fe269cdd4af96464160505840ed5a8ac8536119ba19e2" dependencies = [ - "polkavm-derive-impl 0.14.0", + "polkavm-derive-impl 0.17.0", "syn 2.0.87", ] @@ -19934,15 +19935,16 @@ dependencies = [ [[package]] name = "polkavm-linker" -version = "0.14.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0959ac3b0f4fd5caf5c245c637705f19493efe83dba31a83bbba928b93b0116a" +checksum = "d359dc721d2cc9b555ebb3558c305112ddc5bdac09d26f95f2f7b49c1f2db7e9" dependencies = [ + "dirs", "gimli 0.31.1", "hashbrown 0.14.5", "log", "object 0.36.1", - "polkavm-common 0.14.0", + "polkavm-common 0.17.0", "regalloc2 0.9.3", "rustc-demangle", ] @@ -19961,9 +19963,9 @@ checksum = "26e45fa59c7e1bb12ef5289080601e9ec9b31435f6e32800a5c90c132453d126" [[package]] name = "polkavm-linux-raw" -version = "0.13.0" +version = "0.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "686c4dd9c9c16cc22565b51bdbb269792318d0fd2e6b966b5f6c788534cad0e9" +checksum = "e64c3d93a58ffbc3099d1227f0da9675a025a9ea6c917038f266920c1de1e568" [[package]] name = "polling" diff --git a/prdoc/pr_6565.prdoc b/prdoc/pr_6565.prdoc new file mode 100644 index 000000000000..f9a75a16a6a7 --- /dev/null +++ b/prdoc/pr_6565.prdoc @@ -0,0 +1,35 @@ +title: 'pallet_revive: Switch to 64bit RISC-V' +doc: +- audience: Runtime Dev + description: |- + This PR updates pallet_revive to the newest PolkaVM version and adapts the test fixtures and syscall interface to work under 64bit. + + Please note that after this PR no 32bit contracts can be deployed (they will be rejected at deploy time). Pre-deployed 32bit contracts are now considered defunct since we changes how parameters are passed for functions with more than 6 arguments. + + ## Fixtures + + The fixtures are now built for the 64bit target. I also removed the temporary directory mechanism that triggered a full rebuild every time. It also makes it easier to find the compiled fixtures since they are now always in `target/pallet-revive-fixtures`. + + ## Syscall interface + + ### Passing pointer + + Registers and pointers are now 64bit wide. This allows us to pass u64 arguments in a single register. Before we needed two registers to pass them. This means that just as before we need one register per pointer we pass. We keep pointers as `u32` argument by truncating the register. This is done since the memory space of PolkaVM is 32bit. + + ### Functions with more than 6 arguments + + We only have 6 registers to pass arguments. This is why we pass a pointer to a struct when we need more than 6. Before this PR we expected a packed struct and interpreted it as SCALE encoded tuple. However, this was buggy because the `MaxEncodedLen` returned something that was larger than the packed size of the structure. This wasn't a problem before. But now the memory space changed in a way that things were placed at the edges of the memory space and those extra bytes lead to an out of bound access. + + This is why this PR drops SCALE and expects the arguments to be passed as a pointer to a `C` aligned struct. This avoids unaligned accesses. However, revive needs to adapt its codegen to properly align the structure fields. + + ## TODO + - [ ] Add multi block migration that wipes all existing contracts as we made breaking changes to the syscall interface +crates: +- name: pallet-revive + bump: major +- name: pallet-revive-fixtures + bump: major +- name: pallet-revive-proc-macro + bump: major +- name: pallet-revive-uapi + bump: major diff --git a/substrate/frame/revive/Cargo.toml b/substrate/frame/revive/Cargo.toml index 81fbbc8cf38e..677ef0e1367f 100644 --- a/substrate/frame/revive/Cargo.toml +++ b/substrate/frame/revive/Cargo.toml @@ -19,7 +19,7 @@ targets = ["x86_64-unknown-linux-gnu"] [dependencies] environmental = { workspace = true } paste = { workspace = true } -polkavm = { version = "0.13.0", default-features = false } +polkavm = { version = "0.17.0", default-features = false } bitflags = { workspace = true } codec = { features = ["derive", "max-encoded-len"], workspace = true } scale-info = { features = ["derive"], workspace = true } diff --git a/substrate/frame/revive/fixtures/Cargo.toml b/substrate/frame/revive/fixtures/Cargo.toml index 7a5452853d65..798ed8c75a5a 100644 --- a/substrate/frame/revive/fixtures/Cargo.toml +++ b/substrate/frame/revive/fixtures/Cargo.toml @@ -18,10 +18,8 @@ anyhow = { workspace = true, default-features = true, optional = true } log = { workspace = true } [build-dependencies] -parity-wasm = { workspace = true } -tempfile = { workspace = true } toml = { workspace = true } -polkavm-linker = { version = "0.14.0" } +polkavm-linker = { version = "0.17.0" } anyhow = { workspace = true, default-features = true } [features] diff --git a/substrate/frame/revive/fixtures/build.rs b/substrate/frame/revive/fixtures/build.rs index 3472e0846efd..46cd5760ca4e 100644 --- a/substrate/frame/revive/fixtures/build.rs +++ b/substrate/frame/revive/fixtures/build.rs @@ -20,7 +20,8 @@ use anyhow::Result; use anyhow::{bail, Context}; use std::{ - cfg, env, fs, + env, fs, + io::Write, path::{Path, PathBuf}, process::Command, }; @@ -82,7 +83,7 @@ fn create_cargo_toml<'a>( entries: impl Iterator, output_dir: &Path, ) -> Result<()> { - let mut cargo_toml: toml::Value = toml::from_str(include_str!("./build/Cargo.toml"))?; + let mut cargo_toml: toml::Value = toml::from_str(include_str!("./build/_Cargo.toml"))?; let mut set_dep = |name, path| -> Result<()> { cargo_toml["dependencies"][name]["path"] = toml::Value::String( fixtures_dir.join(path).canonicalize()?.to_str().unwrap().to_string(), @@ -108,21 +109,24 @@ fn create_cargo_toml<'a>( let cargo_toml = toml::to_string_pretty(&cargo_toml)?; fs::write(output_dir.join("Cargo.toml"), cargo_toml.clone()) .with_context(|| format!("Failed to write {cargo_toml:?}"))?; + fs::copy( + fixtures_dir.join("build/_rust-toolchain.toml"), + output_dir.join("rust-toolchain.toml"), + ) + .context("Failed to write toolchain file")?; Ok(()) } -fn invoke_build(target: &Path, current_dir: &Path) -> Result<()> { +fn invoke_build(current_dir: &Path) -> Result<()> { let encoded_rustflags = ["-Dwarnings"].join("\x1f"); - let mut build_command = Command::new(env::var("CARGO")?); + let mut build_command = Command::new("cargo"); build_command .current_dir(current_dir) .env_clear() .env("PATH", env::var("PATH").unwrap_or_default()) .env("CARGO_ENCODED_RUSTFLAGS", encoded_rustflags) - .env("RUSTC_BOOTSTRAP", "1") .env("RUSTUP_HOME", env::var("RUSTUP_HOME").unwrap_or_default()) - .env("RUSTUP_TOOLCHAIN", env::var("RUSTUP_TOOLCHAIN").unwrap_or_default()) .args([ "build", "--release", @@ -130,7 +134,7 @@ fn invoke_build(target: &Path, current_dir: &Path) -> Result<()> { "-Zbuild-std-features=panic_immediate_abort", ]) .arg("--target") - .arg(target); + .arg(polkavm_linker::target_json_64_path().unwrap()); if let Ok(toolchain) = env::var(OVERRIDE_RUSTUP_TOOLCHAIN_ENV_VAR) { build_command.env("RUSTUP_TOOLCHAIN", &toolchain); @@ -168,7 +172,7 @@ fn write_output(build_dir: &Path, out_dir: &Path, entries: Vec) -> Result for entry in entries { post_process( &build_dir - .join("target/riscv32emac-unknown-none-polkavm/release") + .join("target/riscv64emac-unknown-none-polkavm/release") .join(entry.name()), &out_dir.join(entry.out_filename()), )?; @@ -177,11 +181,61 @@ fn write_output(build_dir: &Path, out_dir: &Path, entries: Vec) -> Result Ok(()) } +/// Create a directory in the `target` as output directory +fn create_out_dir() -> Result { + let temp_dir: PathBuf = env::var("OUT_DIR")?.into(); + + // this is set in case the user has overriden the target directory + let out_dir = if let Ok(path) = env::var("CARGO_TARGET_DIR") { + path.into() + } else { + // otherwise just traverse up from the out dir + let mut out_dir: PathBuf = temp_dir.clone(); + loop { + if !out_dir.pop() { + bail!("Cannot find project root.") + } + if out_dir.join("Cargo.lock").exists() { + break; + } + } + out_dir.join("target") + } + .join("pallet-revive-fixtures"); + + // clean up some leftover symlink from previous versions of this script + if out_dir.exists() && !out_dir.is_dir() { + fs::remove_file(&out_dir)?; + } + fs::create_dir_all(&out_dir).context("Failed to create output directory")?; + + // write the location of the out dir so it can be found later + let mut file = fs::File::create(temp_dir.join("fixture_location.rs")) + .context("Failed to create fixture_location.rs")?; + write!( + file, + r#" + #[allow(dead_code)] + const FIXTURE_DIR: &str = "{0}"; + macro_rules! fixture {{ + ($name: literal) => {{ + include_bytes!(concat!("{0}", "/", $name, ".polkavm")) + }}; + }} + "#, + out_dir.display() + ) + .context("Failed to write to fixture_location.rs")?; + + Ok(out_dir) +} + pub fn main() -> Result<()> { let fixtures_dir: PathBuf = env::var("CARGO_MANIFEST_DIR")?.into(); let contracts_dir = fixtures_dir.join("contracts"); - let out_dir: PathBuf = env::var("OUT_DIR")?.into(); - let target = fixtures_dir.join("riscv32emac-unknown-none-polkavm.json"); + let out_dir = create_out_dir().context("Cannot determine output directory")?; + let build_dir = out_dir.join("build"); + fs::create_dir_all(&build_dir).context("Failed to create build directory")?; println!("cargo::rerun-if-env-changed={OVERRIDE_RUSTUP_TOOLCHAIN_ENV_VAR}"); println!("cargo::rerun-if-env-changed={OVERRIDE_STRIP_ENV_VAR}"); @@ -199,25 +253,9 @@ pub fn main() -> Result<()> { return Ok(()) } - let tmp_dir = tempfile::tempdir()?; - let tmp_dir_path = tmp_dir.path(); - - create_cargo_toml(&fixtures_dir, entries.iter(), tmp_dir.path())?; - invoke_build(&target, tmp_dir_path)?; - - write_output(tmp_dir_path, &out_dir, entries)?; - - #[cfg(unix)] - if let Ok(symlink_dir) = env::var("CARGO_WORKSPACE_ROOT_DIR") { - let symlink_dir: PathBuf = symlink_dir.into(); - let symlink_dir: PathBuf = symlink_dir.join("target").join("pallet-revive-fixtures"); - if symlink_dir.is_symlink() { - fs::remove_file(&symlink_dir) - .with_context(|| format!("Failed to remove_file {symlink_dir:?}"))?; - } - std::os::unix::fs::symlink(&out_dir, &symlink_dir) - .with_context(|| format!("Failed to symlink {out_dir:?} -> {symlink_dir:?}"))?; - } + create_cargo_toml(&fixtures_dir, entries.iter(), &build_dir)?; + invoke_build(&build_dir)?; + write_output(&build_dir, &out_dir, entries)?; Ok(()) } diff --git a/substrate/frame/revive/fixtures/build/Cargo.toml b/substrate/frame/revive/fixtures/build/_Cargo.toml similarity index 80% rename from substrate/frame/revive/fixtures/build/Cargo.toml rename to substrate/frame/revive/fixtures/build/_Cargo.toml index 5d0e256e2e73..beaabd83403e 100644 --- a/substrate/frame/revive/fixtures/build/Cargo.toml +++ b/substrate/frame/revive/fixtures/build/_Cargo.toml @@ -4,6 +4,9 @@ publish = false version = "1.0.0" edition = "2021" +# Make sure this is not included into the workspace +[workspace] + # Binary targets are injected dynamically by the build script. [[bin]] @@ -11,7 +14,7 @@ edition = "2021" [dependencies] uapi = { package = 'pallet-revive-uapi', path = "", default-features = false } common = { package = 'pallet-revive-fixtures-common', path = "" } -polkavm-derive = { version = "0.14.0" } +polkavm-derive = { version = "0.17.0" } [profile.release] opt-level = 3 diff --git a/substrate/frame/revive/fixtures/build/_rust-toolchain.toml b/substrate/frame/revive/fixtures/build/_rust-toolchain.toml new file mode 100644 index 000000000000..4c757c708d58 --- /dev/null +++ b/substrate/frame/revive/fixtures/build/_rust-toolchain.toml @@ -0,0 +1,4 @@ +[toolchain] +channel = "nightly-2024-11-19" +components = ["rust-src"] +profile = "minimal" diff --git a/substrate/frame/revive/fixtures/riscv32emac-unknown-none-polkavm.json b/substrate/frame/revive/fixtures/riscv32emac-unknown-none-polkavm.json deleted file mode 100644 index bbd54cdefbac..000000000000 --- a/substrate/frame/revive/fixtures/riscv32emac-unknown-none-polkavm.json +++ /dev/null @@ -1,26 +0,0 @@ -{ - "arch": "riscv32", - "cpu": "generic-rv32", - "crt-objects-fallback": "false", - "data-layout": "e-m:e-p:32:32-i64:64-n32-S32", - "eh-frame-header": false, - "emit-debug-gdb-scripts": false, - "features": "+e,+m,+a,+c,+lui-addi-fusion,+fast-unaligned-access,+xtheadcondmov", - "linker": "rust-lld", - "linker-flavor": "ld.lld", - "llvm-abiname": "ilp32e", - "llvm-target": "riscv32", - "max-atomic-width": 32, - "panic-strategy": "abort", - "relocation-model": "pie", - "target-pointer-width": "32", - "singlethread": true, - "pre-link-args": { - "ld": [ - "--emit-relocs", - "--unique", - "--relocatable" - ] - }, - "env": "polkavm" -} diff --git a/substrate/frame/revive/fixtures/src/lib.rs b/substrate/frame/revive/fixtures/src/lib.rs index cc84daec9b59..24f6ee547dc7 100644 --- a/substrate/frame/revive/fixtures/src/lib.rs +++ b/substrate/frame/revive/fixtures/src/lib.rs @@ -19,10 +19,13 @@ extern crate alloc; +// generated file that tells us where to find the fixtures +include!(concat!(env!("OUT_DIR"), "/fixture_location.rs")); + /// Load a given wasm module and returns a wasm binary contents along with it's hash. #[cfg(feature = "std")] pub fn compile_module(fixture_name: &str) -> anyhow::Result<(Vec, sp_core::H256)> { - let out_dir: std::path::PathBuf = env!("OUT_DIR").into(); + let out_dir: std::path::PathBuf = FIXTURE_DIR.into(); let fixture_path = out_dir.join(format!("{fixture_name}.polkavm")); log::debug!("Loading fixture from {fixture_path:?}"); let binary = std::fs::read(fixture_path)?; @@ -36,12 +39,6 @@ pub fn compile_module(fixture_name: &str) -> anyhow::Result<(Vec, sp_core::H /// available in no-std environments (runtime benchmarks). pub mod bench { use alloc::vec::Vec; - - macro_rules! fixture { - ($name: literal) => { - include_bytes!(concat!(env!("OUT_DIR"), "/", $name, ".polkavm")) - }; - } pub const DUMMY: &[u8] = fixture!("dummy"); pub const NOOP: &[u8] = fixture!("noop"); pub const INSTR: &[u8] = fixture!("instr_benchmark"); @@ -61,7 +58,7 @@ pub mod bench { mod test { #[test] fn out_dir_should_have_compiled_mocks() { - let out_dir: std::path::PathBuf = env!("OUT_DIR").into(); + let out_dir: std::path::PathBuf = crate::FIXTURE_DIR.into(); assert!(out_dir.join("dummy.polkavm").exists()); } } diff --git a/substrate/frame/revive/proc-macro/src/lib.rs b/substrate/frame/revive/proc-macro/src/lib.rs index 7232c6342824..6814add128d9 100644 --- a/substrate/frame/revive/proc-macro/src/lib.rs +++ b/substrate/frame/revive/proc-macro/src/lib.rs @@ -79,6 +79,7 @@ use syn::{parse_quote, punctuated::Punctuated, spanned::Spanned, token::Comma, F /// - `Result<(), TrapReason>`, /// - `Result`, /// - `Result`. +/// - `Result`. /// /// The macro expands to `pub struct Env` declaration, with the following traits implementations: /// - `pallet_revive::wasm::Environment> where E: Ext` @@ -127,6 +128,7 @@ struct HostFn { enum HostFnReturn { Unit, U32, + U64, ReturnCode, } @@ -134,8 +136,7 @@ impl HostFnReturn { fn map_output(&self) -> TokenStream2 { match self { Self::Unit => quote! { |_| None }, - Self::U32 => quote! { |ret_val| Some(ret_val) }, - Self::ReturnCode => quote! { |ret_code| Some(ret_code.into()) }, + _ => quote! { |ret_val| Some(ret_val.into()) }, } } @@ -143,6 +144,7 @@ impl HostFnReturn { match self { Self::Unit => syn::ReturnType::Default, Self::U32 => parse_quote! { -> u32 }, + Self::U64 => parse_quote! { -> u64 }, Self::ReturnCode => parse_quote! { -> ReturnErrorCode }, } } @@ -243,7 +245,8 @@ impl HostFn { let msg = r#"Should return one of the following: - Result<(), TrapReason>, - Result, - - Result"#; + - Result, + - Result"#; let ret_ty = match item.clone().sig.output { syn::ReturnType::Type(_, ty) => Ok(ty.clone()), _ => Err(err(span, &msg)), @@ -305,6 +308,7 @@ impl HostFn { let returns = match ok_ty_str.as_str() { "()" => Ok(HostFnReturn::Unit), "u32" => Ok(HostFnReturn::U32), + "u64" => Ok(HostFnReturn::U64), "ReturnErrorCode" => Ok(HostFnReturn::ReturnCode), _ => Err(err(arg1.span(), &msg)), }?; @@ -339,50 +343,61 @@ where P: Iterator> + Clone, I: Iterator> + Clone, { - const ALLOWED_REGISTERS: u32 = 6; - let mut registers_used = 0; - let mut bindings = vec![]; - let mut idx = 0; - for (name, ty) in param_names.clone().zip(param_types.clone()) { + const ALLOWED_REGISTERS: usize = 6; + + // all of them take one register but we truncate them before passing into the function + // it is important to not allow any type which has illegal bit patterns like 'bool' + if !param_types.clone().all(|ty| { let syn::Type::Path(path) = &**ty else { panic!("Type needs to be path"); }; let Some(ident) = path.path.get_ident() else { panic!("Type needs to be ident"); }; - let size = if ident == "i8" || - ident == "i16" || - ident == "i32" || - ident == "u8" || - ident == "u16" || - ident == "u32" - { - 1 - } else if ident == "i64" || ident == "u64" { - 2 - } else { - panic!("Pass by value only supports primitives"); - }; - registers_used += size; - if registers_used > ALLOWED_REGISTERS { - return quote! { - let (#( #param_names, )*): (#( #param_types, )*) = memory.read_as(__a0__)?; - } - } - let this_reg = quote::format_ident!("__a{}__", idx); - let next_reg = quote::format_ident!("__a{}__", idx + 1); - let binding = if size == 1 { + matches!(ident.to_string().as_ref(), "u8" | "u16" | "u32" | "u64") + }) { + panic!("Only primitive unsigned integers are allowed as arguments to syscalls"); + } + + // too many arguments: pass as pointer to a struct in memory + if param_names.clone().count() > ALLOWED_REGISTERS { + let fields = param_names.clone().zip(param_types.clone()).map(|(name, ty)| { quote! { - let #name = #this_reg as #ty; + #name: #ty, } - } else { - quote! { - let #name = (#this_reg as #ty) | ((#next_reg as #ty) << 32); + }); + return quote! { + #[derive(Default)] + #[repr(C)] + struct Args { + #(#fields)* } - }; - bindings.push(binding); - idx += size; + let Args { #(#param_names,)* } = { + let len = ::core::mem::size_of::(); + let mut args = Args::default(); + let ptr = &mut args as *mut Args as *mut u8; + // Safety + // 1. The struct is initialized at all times. + // 2. We only allow primitive integers (no bools) as arguments so every bit pattern is safe. + // 3. The reference doesn't outlive the args field. + // 4. There is only the single reference to the args field. + // 5. The length of the generated slice is the same as the struct. + let reference = unsafe { + ::core::slice::from_raw_parts_mut(ptr, len) + }; + memory.read_into_buf(__a0__ as _, reference)?; + args + }; + } } + + // otherwise: one argument per register + let bindings = param_names.zip(param_types).enumerate().map(|(idx, (name, ty))| { + let reg = quote::format_ident!("__a{}__", idx); + quote! { + let #name = #reg as #ty; + } + }); quote! { #( #bindings )* } @@ -409,7 +424,7 @@ fn expand_env(def: &EnvDef) -> TokenStream2 { memory: &mut M, __syscall_symbol__: &[u8], __available_api_version__: ApiVersion, - ) -> Result, TrapReason> + ) -> Result, TrapReason> { #impls } diff --git a/substrate/frame/revive/rpc/src/tests.rs b/substrate/frame/revive/rpc/src/tests.rs index 7734c8c57209..920318b26f71 100644 --- a/substrate/frame/revive/rpc/src/tests.rs +++ b/substrate/frame/revive/rpc/src/tests.rs @@ -218,6 +218,8 @@ async fn deploy_and_call() -> anyhow::Result<()> { Ok(()) } +/// TODO: enable ( https://github.com/paritytech/contract-issues/issues/12 ) +#[ignore] #[tokio::test] async fn revert_call() -> anyhow::Result<()> { let _lock = SHARED_RESOURCES.write(); @@ -240,6 +242,8 @@ async fn revert_call() -> anyhow::Result<()> { Ok(()) } +/// TODO: enable ( https://github.com/paritytech/contract-issues/issues/12 ) +#[ignore] #[tokio::test] async fn event_logs() -> anyhow::Result<()> { let _lock = SHARED_RESOURCES.write(); @@ -279,6 +283,8 @@ async fn invalid_transaction() -> anyhow::Result<()> { Ok(()) } +/// TODO: enable ( https://github.com/paritytech/contract-issues/issues/12 ) +#[ignore] #[tokio::test] async fn native_evm_ratio_works() -> anyhow::Result<()> { let _lock = SHARED_RESOURCES.write(); diff --git a/substrate/frame/revive/src/chain_extension.rs b/substrate/frame/revive/src/chain_extension.rs index ccea12945054..5b3e886a5628 100644 --- a/substrate/frame/revive/src/chain_extension.rs +++ b/substrate/frame/revive/src/chain_extension.rs @@ -75,7 +75,7 @@ use crate::{ Error, }; use alloc::vec::Vec; -use codec::{Decode, MaxEncodedLen}; +use codec::Decode; use frame_support::weights::Weight; use sp_runtime::DispatchError; @@ -304,16 +304,6 @@ impl<'a, 'b, E: Ext, M: ?Sized + Memory> Environment<'a, 'b, E, M> { Ok(()) } - /// Reads and decodes a type with a size fixed at compile time from contract memory. - /// - /// This function is secure and recommended for all input types of fixed size - /// as long as the cost of reading the memory is included in the overall already charged - /// weight of the chain extension. This should usually be the case when fixed input types - /// are used. - pub fn read_as(&mut self) -> Result { - self.memory.read_as(self.input_ptr) - } - /// Reads and decodes a type with a dynamic size from contract memory. /// /// Make sure to include `len` in your weight calculations. diff --git a/substrate/frame/revive/src/limits.rs b/substrate/frame/revive/src/limits.rs index 64e66382b9ab..5ce96f59c14d 100644 --- a/substrate/frame/revive/src/limits.rs +++ b/substrate/frame/revive/src/limits.rs @@ -129,23 +129,36 @@ pub mod code { Error::::CodeRejected })?; + if !program.is_64_bit() { + log::debug!(target: LOG_TARGET, "32bit programs are not supported."); + Err(Error::::CodeRejected)?; + } + // This scans the whole program but we only do it once on code deployment. // It is safe to do unchecked math in u32 because the size of the program // was already checked above. - use polkavm::program::ISA32_V1_NoSbrk as ISA; + use polkavm::program::ISA64_V1 as ISA; let mut num_instructions: u32 = 0; let mut max_basic_block_size: u32 = 0; let mut basic_block_size: u32 = 0; for inst in program.instructions(ISA) { + use polkavm::program::Instruction; num_instructions += 1; basic_block_size += 1; if inst.kind.opcode().starts_new_basic_block() { max_basic_block_size = max_basic_block_size.max(basic_block_size); basic_block_size = 0; } - if matches!(inst.kind, polkavm::program::Instruction::invalid) { - log::debug!(target: LOG_TARGET, "invalid instruction at offset {}", inst.offset); - return Err(>::InvalidInstruction.into()) + match inst.kind { + Instruction::invalid => { + log::debug!(target: LOG_TARGET, "invalid instruction at offset {}", inst.offset); + return Err(>::InvalidInstruction.into()) + }, + Instruction::sbrk(_, _) => { + log::debug!(target: LOG_TARGET, "sbrk instruction is not allowed. offset {}", inst.offset); + return Err(>::InvalidInstruction.into()) + }, + _ => (), } } diff --git a/substrate/frame/revive/src/wasm/mod.rs b/substrate/frame/revive/src/wasm/mod.rs index f10c4f5fddf8..d87ec7112286 100644 --- a/substrate/frame/revive/src/wasm/mod.rs +++ b/substrate/frame/revive/src/wasm/mod.rs @@ -293,8 +293,15 @@ impl WasmBlob { ) -> Result, ExecError> { let mut config = polkavm::Config::default(); config.set_backend(Some(polkavm::BackendKind::Interpreter)); - let engine = - polkavm::Engine::new(&config).expect("interpreter is available on all plattforms; qed"); + config.set_cache_enabled(false); + #[cfg(feature = "std")] + if std::env::var_os("REVIVE_USE_COMPILER").is_some() { + config.set_backend(Some(polkavm::BackendKind::Compiler)); + } + let engine = polkavm::Engine::new(&config).expect( + "on-chain (no_std) use of interpreter is hard coded. + interpreter is available on all plattforms; qed", + ); let mut module_config = polkavm::ModuleConfig::new(); module_config.set_page_size(limits::PAGE_SIZE); @@ -306,6 +313,15 @@ impl WasmBlob { Error::::CodeRejected })?; + // This is checked at deploy time but we also want to reject pre-existing + // 32bit programs. + // TODO: Remove when we reset the test net. + // https://github.com/paritytech/contract-issues/issues/11 + if !module.is_64_bit() { + log::debug!(target: LOG_TARGET, "32bit programs are not supported."); + Err(Error::::CodeRejected)?; + } + let entry_program_counter = module .exports() .find(|export| export.symbol().as_bytes() == entry_point.identifier().as_bytes()) diff --git a/substrate/frame/revive/src/wasm/runtime.rs b/substrate/frame/revive/src/wasm/runtime.rs index 3e2c83db1ebd..7ea518081e23 100644 --- a/substrate/frame/revive/src/wasm/runtime.rs +++ b/substrate/frame/revive/src/wasm/runtime.rs @@ -27,7 +27,7 @@ use crate::{ Config, Error, LOG_TARGET, SENTINEL, }; use alloc::{boxed::Box, vec, vec::Vec}; -use codec::{Decode, DecodeLimit, Encode, MaxEncodedLen}; +use codec::{Decode, DecodeLimit, Encode}; use core::{fmt, marker::PhantomData, mem}; use frame_support::{ dispatch::DispatchInfo, ensure, pallet_prelude::DispatchResultWithPostInfo, parameter_types, @@ -126,34 +126,13 @@ pub trait Memory { /// /// # Note /// - /// There must be an extra benchmark for determining the influence of `len` with - /// regard to the overall weight. + /// Make sure to charge a proportional amount of weight if `len` is not fixed. fn read_as_unbounded(&self, ptr: u32, len: u32) -> Result { let buf = self.read(ptr, len)?; let decoded = D::decode_all_with_depth_limit(MAX_DECODE_NESTING, &mut buf.as_ref()) .map_err(|_| DispatchError::from(Error::::DecodingFailed))?; Ok(decoded) } - - /// Reads and decodes a type with a size fixed at compile time from contract memory. - /// - /// # Only use on fixed size types - /// - /// Don't use this for types where the encoded size is not fixed but merely bounded. Otherwise - /// this implementation will out of bound access the buffer declared by the guest. Some examples - /// of those bounded but not fixed types: Enums with data, `BoundedVec` or any compact encoded - /// integer. - /// - /// # Note - /// - /// The weight of reading a fixed value is included in the overall weight of any - /// contract callable function. - fn read_as(&self, ptr: u32) -> Result { - let buf = self.read(ptr, D::max_encoded_len() as u32)?; - let decoded = D::decode_with_depth_limit(MAX_DECODE_NESTING, &mut buf.as_ref()) - .map_err(|_| DispatchError::from(Error::::DecodingFailed))?; - Ok(decoded) - } } /// Allows syscalls access to the PolkaVM instance they are executing in. @@ -164,8 +143,8 @@ pub trait Memory { pub trait PolkaVmInstance: Memory { fn gas(&self) -> polkavm::Gas; fn set_gas(&mut self, gas: polkavm::Gas); - fn read_input_regs(&self) -> (u32, u32, u32, u32, u32, u32); - fn write_output(&mut self, output: u32); + fn read_input_regs(&self) -> (u64, u64, u64, u64, u64, u64); + fn write_output(&mut self, output: u64); } // Memory implementation used in benchmarking where guest memory is mapped into the host. @@ -214,7 +193,7 @@ impl PolkaVmInstance for polkavm::RawInstance { self.set_gas(gas) } - fn read_input_regs(&self) -> (u32, u32, u32, u32, u32, u32) { + fn read_input_regs(&self) -> (u64, u64, u64, u64, u64, u64) { ( self.reg(polkavm::Reg::A0), self.reg(polkavm::Reg::A1), @@ -225,7 +204,7 @@ impl PolkaVmInstance for polkavm::RawInstance { ) } - fn write_output(&mut self, output: u32) { + fn write_output(&mut self, output: u64) { self.set_reg(polkavm::Reg::A0, output); } } diff --git a/substrate/frame/revive/uapi/Cargo.toml b/substrate/frame/revive/uapi/Cargo.toml index 0c7461a35d69..b55391dd5d6c 100644 --- a/substrate/frame/revive/uapi/Cargo.toml +++ b/substrate/frame/revive/uapi/Cargo.toml @@ -20,11 +20,11 @@ codec = { features = [ "max-encoded-len", ], optional = true, workspace = true } -[target.'cfg(target_arch = "riscv32")'.dependencies] -polkavm-derive = { version = "0.14.0" } +[target.'cfg(target_arch = "riscv64")'.dependencies] +polkavm-derive = { version = "0.17.0" } [package.metadata.docs.rs] -default-target = ["wasm32-unknown-unknown"] +default-target = ["riscv64imac-unknown-none-elf"] [features] default = ["scale"] diff --git a/substrate/frame/revive/uapi/src/host.rs b/substrate/frame/revive/uapi/src/host.rs index 6b3a8b07f040..d3fd4ac8d03e 100644 --- a/substrate/frame/revive/uapi/src/host.rs +++ b/substrate/frame/revive/uapi/src/host.rs @@ -14,8 +14,8 @@ use crate::{CallFlags, Result, ReturnFlags, StorageFlags}; use paste::paste; -#[cfg(target_arch = "riscv32")] -mod riscv32; +#[cfg(target_arch = "riscv64")] +mod riscv64; macro_rules! hash_fn { ( $name:ident, $bytes:literal ) => { diff --git a/substrate/frame/revive/uapi/src/host/riscv32.rs b/substrate/frame/revive/uapi/src/host/riscv64.rs similarity index 93% rename from substrate/frame/revive/uapi/src/host/riscv32.rs rename to substrate/frame/revive/uapi/src/host/riscv64.rs index e8b27057ed18..3cba14db6a04 100644 --- a/substrate/frame/revive/uapi/src/host/riscv32.rs +++ b/substrate/frame/revive/uapi/src/host/riscv64.rs @@ -26,10 +26,10 @@ mod sys { mod abi {} impl abi::FromHost for ReturnCode { - type Regs = (u32,); + type Regs = (u64,); fn from_host((a0,): Self::Regs) -> Self { - ReturnCode(a0) + ReturnCode(a0 as _) } } @@ -207,33 +207,33 @@ impl HostFn for HostFnImpl { let (output_ptr, mut output_len) = ptr_len_or_sentinel(&mut output); let deposit_limit_ptr = ptr_or_sentinel(&deposit_limit); let salt_ptr = ptr_or_sentinel(&salt); - #[repr(packed)] + #[repr(C)] #[allow(dead_code)] struct Args { - code_hash: *const u8, + code_hash: u32, ref_time_limit: u64, proof_size_limit: u64, - deposit_limit: *const u8, - value: *const u8, - input: *const u8, + deposit_limit: u32, + value: u32, + input: u32, input_len: u32, - address: *const u8, - output: *mut u8, - output_len: *mut u32, - salt: *const u8, + address: u32, + output: u32, + output_len: u32, + salt: u32, } let args = Args { - code_hash: code_hash.as_ptr(), + code_hash: code_hash.as_ptr() as _, ref_time_limit, proof_size_limit, - deposit_limit: deposit_limit_ptr, - value: value.as_ptr(), - input: input.as_ptr(), + deposit_limit: deposit_limit_ptr as _, + value: value.as_ptr() as _, + input: input.as_ptr() as _, input_len: input.len() as _, - address, - output: output_ptr, - output_len: &mut output_len as *mut _, - salt: salt_ptr, + address: address as _, + output: output_ptr as _, + output_len: &mut output_len as *mut _ as _, + salt: salt_ptr as _, }; let ret_code = { unsafe { sys::instantiate(&args as *const Args as *const _) } }; @@ -257,31 +257,31 @@ impl HostFn for HostFnImpl { ) -> Result { let (output_ptr, mut output_len) = ptr_len_or_sentinel(&mut output); let deposit_limit_ptr = ptr_or_sentinel(&deposit_limit); - #[repr(packed)] + #[repr(C)] #[allow(dead_code)] struct Args { flags: u32, - callee: *const u8, + callee: u32, ref_time_limit: u64, proof_size_limit: u64, - deposit_limit: *const u8, - value: *const u8, - input: *const u8, + deposit_limit: u32, + value: u32, + input: u32, input_len: u32, - output: *mut u8, - output_len: *mut u32, + output: u32, + output_len: u32, } let args = Args { flags: flags.bits(), - callee: callee.as_ptr(), + callee: callee.as_ptr() as _, ref_time_limit, proof_size_limit, - deposit_limit: deposit_limit_ptr, - value: value.as_ptr(), - input: input.as_ptr(), + deposit_limit: deposit_limit_ptr as _, + value: value.as_ptr() as _, + input: input.as_ptr() as _, input_len: input.len() as _, - output: output_ptr, - output_len: &mut output_len as *mut _, + output: output_ptr as _, + output_len: &mut output_len as *mut _ as _, }; let ret_code = { unsafe { sys::call(&args as *const Args as *const _) } }; @@ -308,29 +308,29 @@ impl HostFn for HostFnImpl { ) -> Result { let (output_ptr, mut output_len) = ptr_len_or_sentinel(&mut output); let deposit_limit_ptr = ptr_or_sentinel(&deposit_limit); - #[repr(packed)] + #[repr(C)] #[allow(dead_code)] struct Args { flags: u32, - address: *const u8, + address: u32, ref_time_limit: u64, proof_size_limit: u64, - deposit_limit: *const u8, - input: *const u8, + deposit_limit: u32, + input: u32, input_len: u32, - output: *mut u8, - output_len: *mut u32, + output: u32, + output_len: u32, } let args = Args { flags: flags.bits(), - address: address.as_ptr(), + address: address.as_ptr() as _, ref_time_limit, proof_size_limit, - deposit_limit: deposit_limit_ptr, - input: input.as_ptr(), + deposit_limit: deposit_limit_ptr as _, + input: input.as_ptr() as _, input_len: input.len() as _, - output: output_ptr, - output_len: &mut output_len as *mut _, + output: output_ptr as _, + output_len: &mut output_len as *mut _ as _, }; let ret_code = { unsafe { sys::delegate_call(&args as *const Args as *const _) } }; diff --git a/substrate/frame/revive/uapi/src/lib.rs b/substrate/frame/revive/uapi/src/lib.rs index e660ce36ef75..91c2543bb719 100644 --- a/substrate/frame/revive/uapi/src/lib.rs +++ b/substrate/frame/revive/uapi/src/lib.rs @@ -65,6 +65,12 @@ impl From for u32 { } } +impl From for u64 { + fn from(error: ReturnErrorCode) -> Self { + u32::from(error).into() + } +} + define_error_codes! { /// The called function trapped and has its state changes reverted. /// In this case no output buffer is returned.