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Remove code offsets from Function (#3412)

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* Remove code offsets from Function

* Remove reloc_jt and fix wasmtime-cranelift
This commit is contained in:
bjorn3
2021-10-07 15:54:00 +02:00
committed by GitHub
parent fc33700071
commit 2db3b5b9df
13 changed files with 6 additions and 155 deletions
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11
cranelift/codegen/src/binemit/memorysink.rs
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@@ -15,7 +15,7 @@
//! `CodeSink::put*` methods, so the performance impact of the virtual callbacks is less severe.
use super::{Addend, CodeInfo, CodeOffset, CodeSink, Reloc};
use crate::binemit::stack_map::StackMap;
use crate::ir::{ConstantOffset, ExternalName, JumpTable, Opcode, SourceLoc, TrapCode};
use crate::ir::{ConstantOffset, ExternalName, Opcode, SourceLoc, TrapCode};
use core::ptr::write_unaligned;
/// A `CodeSink` that writes binary machine code directly into memory.
@@ -82,9 +82,6 @@ pub trait RelocSink {
/// Add a relocation referencing a constant.
fn reloc_constant(&mut self, _: CodeOffset, _: Reloc, _: ConstantOffset);
/// Add a relocation referencing a jump table.
fn reloc_jt(&mut self, _: CodeOffset, _: Reloc, _: JumpTable);
/// Track a call site whose return address is the given CodeOffset, for the given opcode. Does
/// nothing in general, only useful for certain embedders (SpiderMonkey).
fn add_call_site(&mut self, _: Opcode, _: CodeOffset, _: SourceLoc) {}
@@ -146,11 +143,6 @@ impl<'a> CodeSink for MemoryCodeSink<'a> {
self.relocs.reloc_constant(ofs, rel, constant_offset);
}
fn reloc_jt(&mut self, rel: Reloc, jt: JumpTable) {
let ofs = self.offset();
self.relocs.reloc_jt(ofs, rel, jt);
}
fn trap(&mut self, code: TrapCode, srcloc: SourceLoc) {
let ofs = self.offset();
self.traps.trap(ofs, srcloc, code);
@@ -195,7 +187,6 @@ impl RelocSink for NullRelocSink {
) {
}
fn reloc_constant(&mut self, _: CodeOffset, _: Reloc, _: ConstantOffset) {}
fn reloc_jt(&mut self, _: CodeOffset, _: Reloc, _: JumpTable) {}
}
/// A `TrapSink` implementation that does nothing, which is convenient when