From b87eea6fcfc3f319b7db0c10eafed45012538634 Mon Sep 17 00:00:00 2001 From: Henry Gressmann Date: Sat, 6 Jan 2024 21:14:02 +0100 Subject: [PATCH] fix: wrong memory growth delta Signed-off-by: Henry Gressmann --- crates/tinywasm/src/runtime/executor/mod.rs | 3 +-- crates/tinywasm/src/store.rs | 6 ++++++ crates/tinywasm/tests/generated/mvp.csv | 2 +- crates/tinywasm/tests/testsuite/run.rs | 4 +--- 4 files changed, 9 insertions(+), 6 deletions(-) diff --git a/crates/tinywasm/src/runtime/executor/mod.rs b/crates/tinywasm/src/runtime/executor/mod.rs index dccf71b..e644df3 100644 --- a/crates/tinywasm/src/runtime/executor/mod.rs +++ b/crates/tinywasm/src/runtime/executor/mod.rs @@ -293,8 +293,7 @@ fn exec_one( let (res, prev_size) = { let mut mem = mem.borrow_mut(); let prev_size = mem.size(); - let new_size = prev_size + stack.values.pop_t::()?; - (mem.grow(new_size), prev_size) + (mem.grow(stack.values.pop_t::()?), prev_size) }; match res { diff --git a/crates/tinywasm/src/store.rs b/crates/tinywasm/src/store.rs index a584421..c7cda26 100644 --- a/crates/tinywasm/src/store.rs +++ b/crates/tinywasm/src/store.rs @@ -333,6 +333,7 @@ pub(crate) struct MemoryInstance { impl MemoryInstance { pub(crate) fn new(kind: MemoryType, owner: ModuleInstanceAddr) -> Self { debug_assert!(kind.page_count_initial <= kind.page_count_max.unwrap_or(MAX_PAGES as u64)); + log::debug!("initializing memory with {} pages", kind.page_count_initial); Self { kind, @@ -358,6 +359,11 @@ impl MemoryInstance { } self.data.resize(new_size, 0); self.page_count = new_pages as usize; + + log::debug!("memory was {} pages", current_pages); + log::debug!("memory grown by {} pages", delta); + log::debug!("memory grown to {} pages", self.page_count); + Ok(current_pages) } } diff --git a/crates/tinywasm/tests/generated/mvp.csv b/crates/tinywasm/tests/generated/mvp.csv index f737556..4f7688c 100644 --- a/crates/tinywasm/tests/generated/mvp.csv +++ b/crates/tinywasm/tests/generated/mvp.csv @@ -2,4 +2,4 @@ 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diff --git a/crates/tinywasm/tests/testsuite/run.rs b/crates/tinywasm/tests/testsuite/run.rs index a4ae429..70eb70c 100644 --- a/crates/tinywasm/tests/testsuite/run.rs +++ b/crates/tinywasm/tests/testsuite/run.rs @@ -8,7 +8,7 @@ use super::TestSuite; use eyre::{eyre, Result}; use log::{debug, error, info}; use tinywasm::{Extern, Imports, ModuleInstance}; -use tinywasm_types::{Global, WasmValue}; +use tinywasm_types::WasmValue; use wast::{lexer::Lexer, parser::ParseBuffer, Wast}; impl TestSuite { @@ -70,8 +70,6 @@ impl TestSuite { match directive { Wat(mut module) => { debug!("got wat module"); - - // TODO: Reusing store beaks some things store = tinywasm::Store::default(); let result = catch_unwind(AssertUnwindSafe(|| { let m = parse_module_bytes(&module.encode().expect("failed to encode module"))