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Update the object crate to 0.27.0 (#3465)

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Mostly just keeping us up to date with changes there since we somewhat
heavily rely on it now.
This commit is contained in:
Alex Crichton
2021-10-20 10:52:06 -05:00
committed by GitHub
parent fe4b15c8b0
commit e2a724ce18
12 changed files with 25 additions and 29 deletions
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2
crates/jit/Cargo.toml
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@@ -22,7 +22,7 @@ anyhow = "1.0"
cfg-if = "1.0"
log = "0.4"
gimli = { version = "0.25.0", default-features = false, features = ["std", "read"] }
object = { version = "0.26.0", default-features = false, features = ["std", "read_core", "elf"] }
object = { version = "0.27.0", default-features = false, features = ["std", "read_core", "elf"] }
serde = { version = "1.0.94", features = ["derive"] }
addr2line = { version = "0.16.0", default-features = false }
ittapi-rs = { version = "0.1.5", optional = true }

12
crates/jit/src/mmap_vec.rs
View File

@@ -195,17 +195,13 @@ impl WritableBuffer for ObjectMmap {
Ok(())
}
fn resize(&mut self, new_len: usize, value: u8) {
fn resize(&mut self, new_len: usize) {
// Resizing always appends 0 bytes and since new mmaps start out as 0
// bytes we don't actually need to do anything as part of this other
// than update our own length.
if new_len <= self.len {
return;
}
let mmap = self.mmap.as_mut().expect("write before reserve");
// new mmaps are automatically filled with zeros, so if we're asked to
// fill with zeros then we can skip the actual fill step.
if value != 0 {
mmap[self.len..][..new_len - self.len].fill(value);
}
self.len = new_len;
}