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Make tests happy again

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This commit is contained in:
Syrus Akbary 2018-11-29 20:49:34 -08:00
parent 55b0509654
commit 948f519a04
2 changed files with 16 additions and 8 deletions
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14
src/webassembly/instance.rs
View File

@ -463,9 +463,17 @@ impl Instance {
// Get memories in module
for memory in &module.info.memories {
let memory = memory.entity;
let v =
LinearMemory::new(memory.pages_count as u32, memory.maximum.map(|m| m as u32));
memories.push(v);
// If we use emscripten, we set a fixed initial and maximum
debug!("Instance - init memory ({}, {:?})", memory.pages_count, memory.maximum);
let memory = if options.use_emscripten {
// We use MAX_PAGES, so at the end the result is:
// (initial * LinearMemory::PAGE_SIZE) == LinearMemory::DEFAULT_HEAP_SIZE
LinearMemory::new(LinearMemory::MAX_PAGES as u32, None)
}
else {
LinearMemory::new(memory.pages_count as u32, memory.maximum.map(|m| m as u32))
};
memories.push(memory);
}
for init in &module.info.data_initializers {

10
src/webassembly/memory.rs
View File

@ -60,8 +60,8 @@ impl LinearMemory {
unsafe {
mprotect(
base,
// (initial * Self::PAGE_SIZE) as _,
Self::DEFAULT_HEAP_SIZE,
initial as usize * Self::PAGE_SIZE as usize,
// Self::DEFAULT_HEAP_SIZE,
PROT_READ | PROT_WRITE,
)
},
@ -86,7 +86,7 @@ impl LinearMemory {
/// Returns a number of allocated wasm pages.
pub fn current_size(&self) -> usize {
(self.current * Self::PAGE_SIZE) as _
self.current as usize * Self::PAGE_SIZE as usize
}
pub fn current_pages(&self) -> u32 {
@ -168,12 +168,12 @@ impl PartialEq for LinearMemory {
impl Deref for LinearMemory {
type Target = [u8];
fn deref(&self) -> &[u8] {
unsafe { slice::from_raw_parts(self.base as _, (self.current * Self::PAGE_SIZE) as _) }
unsafe { slice::from_raw_parts(self.base as _, self.current as usize * Self::PAGE_SIZE as usize) }
}
}
impl DerefMut for LinearMemory {
fn deref_mut(&mut self) -> &mut [u8] {
unsafe { slice::from_raw_parts_mut(self.base as _, (self.current * Self::PAGE_SIZE) as _) }
unsafe { slice::from_raw_parts_mut(self.base as _, self.current as usize * Self::PAGE_SIZE as usize) }
}
}