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Move alignment config from declare_data to define_data

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This commit is contained in:
bjorn3
2020-09-30 19:23:23 +02:00
parent b44c5bb2be
commit 84c6ec3214
6 changed files with 30 additions and 23 deletions
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14
cranelift/simplejit/src/backend.rs
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@@ -25,9 +25,9 @@ use target_lexicon::PointerWidth;
#[cfg(windows)]
use winapi;
const EXECUTABLE_DATA_ALIGNMENT: u8 = 0x10;
const WRITABLE_DATA_ALIGNMENT: u8 = 0x8;
const READONLY_DATA_ALIGNMENT: u8 = 0x1;
const EXECUTABLE_DATA_ALIGNMENT: u64 = 0x10;
const WRITABLE_DATA_ALIGNMENT: u64 = 0x8;
const READONLY_DATA_ALIGNMENT: u64 = 0x1;
/// A builder for `SimpleJITBackend`.
pub struct SimpleJITBuilder {
@@ -415,12 +415,11 @@ impl<'simple_jit_backend> Backend for SimpleJITBackend {
linkage: Linkage,
writable: bool,
tls: bool,
align: Option<u8>,
) -> ModuleResult<DataId> {
assert!(!tls, "SimpleJIT doesn't yet support TLS");
let (id, _decl) = self
.declarations
.declare_data(name, linkage, writable, tls, align)?;
.declare_data(name, linkage, writable, tls)?;
Ok(id)
}
@@ -542,18 +541,19 @@ impl<'simple_jit_backend> Backend for SimpleJITBackend {
ref function_relocs,
ref data_relocs,
custom_segment_section: _,
align,
} = data.description();
let size = init.size();
let storage = if decl.writable {
self.memory
.writable
.allocate(size, decl.align.unwrap_or(WRITABLE_DATA_ALIGNMENT))
.allocate(size, align.unwrap_or(WRITABLE_DATA_ALIGNMENT))
.expect("TODO: handle OOM etc.")
} else {
self.memory
.readonly
.allocate(size, decl.align.unwrap_or(READONLY_DATA_ALIGNMENT))
.allocate(size, align.unwrap_or(READONLY_DATA_ALIGNMENT))
.expect("TODO: handle OOM etc.")
};