Files
rippled/external/wasmi/patches/0001-xrplf-0.42.1.patch

288 lines
10 KiB
Diff

diff --git a/crates/c_api/CMakeLists.txt b/crates/c_api/CMakeLists.txt
index b15c787..54eaed2 100644
--- a/crates/c_api/CMakeLists.txt
+++ b/crates/c_api/CMakeLists.txt
@@ -6,6 +6,8 @@ option(BUILD_SHARED_LIBS "Build using shared libraries" OFF)
option(WASMI_ALWAYS_BUILD "If cmake should always invoke cargo to build Wasmi" ON)
set(WASMI_TARGET "" CACHE STRING "Rust target to build for")
+add_compile_definitions(COMPILING_WASM_RUNTIME_API=1)
+
if(NOT WASMI_TARGET)
execute_process(
COMMAND rustc -vV
@@ -43,6 +45,10 @@ endif()
list(TRANSFORM WASMI_SHARED_FILES PREPEND ${WASMI_TARGET_DIR}/)
list(TRANSFORM WASMI_STATIC_FILES PREPEND ${WASMI_TARGET_DIR}/)
+if(NOT BUILD_SHARED_LIBS)
+ set(WASMI_SHARED_FILES)
+endif()
+
# Instructions on how to build and install the Wasmi Rust crate.
find_program(WASMI_CARGO_BINARY cargo REQUIRED)
include(ExternalProject)
@@ -79,7 +85,6 @@ else()
target_link_libraries(wasmi INTERFACE ${WASMI_STATIC_FILES})
if(WASMI_TARGET MATCHES "windows")
- target_compile_options(wasmi INTERFACE -DWASM_API_EXTERN= -DWASI_API_EXTERN=)
target_link_libraries(wasmi INTERFACE ws2_32 advapi32 userenv ntdll shell32 ole32 bcrypt)
elseif(NOT WASMI_TARGET MATCHES "darwin")
target_link_libraries(wasmi INTERFACE pthread dl m)
@@ -112,6 +117,7 @@ install(
DESTINATION ${CMAKE_INSTALL_LIBDIR}
)
+if(BUILD_SHARED_LIBS)
if(WASMI_TARGET MATCHES "darwin")
set(INSTALLED_LIB "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/libwasmi.dylib")
install(
@@ -131,6 +137,7 @@ if(WASMI_TARGET MATCHES "darwin")
install(CODE "execute_process(COMMAND ${install_name_tool_cmd})")
endif()
endif()
+endif()
# Documentation Generation via Doxygen:
set(DOXYGEN_CONF_IN ${CMAKE_CURRENT_SOURCE_DIR}/doxygen.conf.in)
@@ -141,19 +148,3 @@ add_custom_target(doc
DEPENDS ${WASMI_GENERATED_CONF_H} ${DOXYGEN_CONF_OUT}
WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
)
-
-# C-Header Formatting via clang-format:
-find_program(CLANG_FORMAT clang-format REQUIRED)
-file(GLOB_RECURSE HEADER_FILES
- ${CMAKE_CURRENT_SOURCE_DIR}/include/wasmi.h
- ${CMAKE_CURRENT_SOURCE_DIR}/include/wasmi/*.h
- ${CMAKE_CURRENT_SOURCE_DIR}/include/wasmi/*.hh
-)
-add_custom_target(check-format
- COMMAND ${CLANG_FORMAT} -style=llvm -Werror --dry-run ${HEADER_FILES}
- COMMENT "clang-format: Check formatting for Wasmi C-API header files"
-)
-add_custom_target(format
- COMMAND ${CLANG_FORMAT} -style=llvm -i ${HEADER_FILES}
- COMMENT "clang-format: Apply formatting rules for Wasmi C-API header files"
-)
diff --git a/crates/c_api/include/wasm.h b/crates/c_api/include/wasm.h
index 5ee617f..a76f10e 100644
--- a/crates/c_api/include/wasm.h
+++ b/crates/c_api/include/wasm.h
@@ -13,11 +13,17 @@
#include <assert.h>
#ifndef WASM_API_EXTERN
-#if defined(_WIN32) && !defined(__MINGW32__) && !defined(LIBWASM_STATIC)
+#if defined(_MSC_BUILD)
+#if defined(COMPILING_WASM_RUNTIME_API)
+#define WASM_API_EXTERN __declspec(dllexport)
+#elif defined(_DLL)
#define WASM_API_EXTERN __declspec(dllimport)
#else
#define WASM_API_EXTERN
#endif
+#else
+#define WASM_API_EXTERN
+#endif
#endif
#ifdef __cplusplus
@@ -145,7 +151,13 @@ WASM_API_EXTERN own wasm_engine_t* wasm_engine_new_with_config(own wasm_config_t
WASM_DECLARE_OWN(store)
WASM_API_EXTERN own wasm_store_t* wasm_store_new(wasm_engine_t*);
+WASM_API_EXTERN own wasm_store_t* wasm_store_new_with_memory_max_pages(wasm_engine_t*, uint32_t max_pages);
+
+// Store fuel functions (forward declarations)
+struct wasmi_error;
+WASM_API_EXTERN struct wasmi_error* wasm_store_get_fuel(const wasm_store_t*, uint64_t* fuel);
+WASM_API_EXTERN struct wasmi_error* wasm_store_set_fuel(wasm_store_t*, uint64_t fuel);
///////////////////////////////////////////////////////////////////////////////
// Type Representations
diff --git a/crates/c_api/include/wasmi.h b/crates/c_api/include/wasmi.h
index 2caffa3..0c0584e 100644
--- a/crates/c_api/include/wasmi.h
+++ b/crates/c_api/include/wasmi.h
@@ -10,7 +10,7 @@
/**
* \brief Wasmi version string.
*/
-#define WASMI_VERSION "0.35.0"
+#define WASMI_VERSION "0.42.1"
/**
* \brief Wasmi major version number.
*/
@@ -18,10 +18,10 @@
/**
* \brief Wasmi minor version number.
*/
-#define WASMI_VERSION_MINOR 35
+#define WASMI_VERSION_MINOR 42
/**
* \brief Wasmi patch version number.
*/
-#define WASMI_VERSION_PATCH 0
+#define WASMI_VERSION_PATCH 1
#endif // WASMI_H
diff --git a/crates/c_api/src/store.rs b/crates/c_api/src/store.rs
index 56d4898..9abda8e 100644
--- a/crates/c_api/src/store.rs
+++ b/crates/c_api/src/store.rs
@@ -1,7 +1,7 @@
use crate::{wasm_engine_t, wasmi_error_t, ForeignData};
use alloc::{boxed::Box, sync::Arc};
use core::{cell::UnsafeCell, ffi};
-use wasmi::{AsContext, AsContextMut, Store, StoreContext, StoreContextMut};
+use wasmi::{AsContext, AsContextMut, Store, StoreContext, StoreContextMut, StoreLimits, StoreLimitsBuilder};
/// This representation of a `Store` is used to implement the `wasm.h` API (and
/// *not* the `wasmi.h` API!)
@@ -16,7 +16,7 @@ use wasmi::{AsContext, AsContextMut, Store, StoreContext, StoreContextMut};
/// least Wasmi's implementation).
#[derive(Clone)]
pub struct WasmStoreRef {
- inner: Arc<UnsafeCell<Store<()>>>,
+ inner: Arc<UnsafeCell<Store<StoreLimits>>>,
}
impl WasmStoreRef {
@@ -27,7 +27,7 @@ impl WasmStoreRef {
/// # Safety
///
/// It is the callers responsibility to provide a valid `self`.
- pub unsafe fn context(&self) -> StoreContext<'_, ()> {
+ pub unsafe fn context(&self) -> StoreContext<'_, StoreLimits> {
(*self.inner.get()).as_context()
}
@@ -38,7 +38,7 @@ impl WasmStoreRef {
/// # Safety
///
/// It is the callers responsibility to provide a valid `self`.
- pub unsafe fn context_mut(&mut self) -> StoreContextMut<'_, ()> {
+ pub unsafe fn context_mut(&mut self) -> StoreContextMut<'_, StoreLimits> {
(*self.inner.get()).as_context_mut()
}
}
@@ -56,17 +56,71 @@ pub struct wasm_store_t {
wasmi_c_api_macros::declare_own!(wasm_store_t);
-/// Creates a new [`Store<()>`](wasmi::Store) for the given `engine`.
+/// Creates a new [`Store<StoreLimits>`](wasmi::Store) for the given `engine`.
+///
+/// The store is created with no resource limits (original behavior).
+/// For memory-limited stores, use [`wasm_store_new_with_memory_max_pages`].
///
/// The returned [`wasm_store_t`] must be freed using [`wasm_store_delete`].
///
-/// Wraps [`<wasmi::Store<()>>::new`](wasmi::Store::new).
+/// Wraps [`<wasmi::Store<StoreLimits>>::new`](wasmi::Store::new).
#[cfg_attr(not(feature = "prefix-symbols"), no_mangle)]
#[allow(clippy::arc_with_non_send_sync)]
#[cfg_attr(feature = "prefix-symbols", wasmi_c_api_macros::prefix_symbol)]
pub extern "C" fn wasm_store_new(engine: &wasm_engine_t) -> Box<wasm_store_t> {
let engine = &engine.inner;
- let store = Store::new(engine, ());
+
+ // Create store with no resource limits (original behavior)
+ let limits = StoreLimitsBuilder::new().build();
+ let store = Store::new(engine, limits);
+
+ Box::new(wasm_store_t {
+ inner: WasmStoreRef {
+ inner: Arc::new(UnsafeCell::new(store)),
+ },
+ })
+}
+
+/// Creates a new [`Store<StoreLimits>`](wasmi::Store) for the given `engine` with memory limits.
+///
+/// This function creates a store with resource limits suitable for blockchain smart contracts.
+/// The memory limit is enforced during WebAssembly execution.
+///
+/// If `max_pages` exceeds 1024 (64MB), this function will panic.
+///
+/// The returned [`wasm_store_t`] must be freed using [`wasm_store_delete`].
+///
+/// Wraps [`<wasmi::Store<StoreLimits>>::new`](wasmi::Store::new).
+#[cfg_attr(not(feature = "prefix-symbols"), no_mangle)]
+#[allow(clippy::arc_with_non_send_sync)]
+#[cfg_attr(feature = "prefix-symbols", wasmi_c_api_macros::prefix_symbol)]
+pub extern "C" fn wasm_store_new_with_memory_max_pages(
+ engine: &wasm_engine_t,
+ max_pages: u32,
+) -> Box<wasm_store_t> {
+ // Validate max_pages limit (64MB = 1024 pages)
+ if max_pages > 1024 {
+ panic!("max_pages ({}) exceeds maximum allowed value of 1024 pages (64MB)", max_pages);
+ }
+
+ // Convert pages to bytes (each page is 64KB)
+ let max_memory_bytes = (max_pages as usize) * (64 * 1024);
+
+ // Create store limits with blockchain-suitable defaults
+ let limits = StoreLimitsBuilder::new()
+ .memory_size(max_memory_bytes) // User-specified memory limit
+ .instances(1) // Single instance for blockchain
+ .tables(1) // Single table for blockchain
+ .memories(1) // Single memory for blockchain
+ .table_elements(64) // Limited table elements for blockchain
+ .trap_on_grow_failure(false) // Return -1 on growth failure instead of trapping
+ .build();
+
+ let mut store = Store::new(&engine.inner, limits);
+
+ // Install the resource limiter
+ store.limiter(|limits| limits);
+
Box::new(wasm_store_t {
inner: WasmStoreRef {
inner: Arc::new(UnsafeCell::new(store)),
@@ -175,3 +229,40 @@ pub extern "C" fn wasmi_context_set_fuel(
) -> Option<Box<wasmi_error_t>> {
crate::handle_result(store.set_fuel(fuel), |()| {})
}
+
+////////////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////////////
+
+/// Returns the current fuel of the wasm store context in `fuel`.
+///
+/// Wraps [`Store::get_fuel`].
+///
+/// # Errors
+///
+/// If [`Store::get_fuel`] errors.
+#[no_mangle]
+pub extern "C" fn wasm_store_get_fuel(
+ store: &wasm_store_t,
+ fuel: &mut u64,
+) -> Option<Box<wasmi_error_t>> {
+ let context = unsafe { store.inner.context() };
+ crate::handle_result(context.get_fuel(), |amt| {
+ *fuel = amt;
+ })
+}
+
+/// Sets the current fuel of the wasm store context to `fuel`.
+///
+/// Wraps [`Store::set_fuel`].
+///
+/// # Errors
+///
+/// If [`Store::set_fuel`] errors.
+#[no_mangle]
+pub extern "C" fn wasm_store_set_fuel(
+ store: &mut wasm_store_t,
+ fuel: u64,
+) -> Option<Box<wasmi_error_t>> {
+ let mut context = unsafe { store.inner.context_mut() };
+ crate::handle_result(context.set_fuel(fuel), |()| {})
+}