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Some last small changes

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This commit is contained in:
ptitSeb
2021-10-18 11:55:42 +02:00
parent a270270356
commit 8c24ab48db
2 changed files with 7 additions and 8 deletions
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14
lib/compiler-llvm/src/compiler.rs
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@ -307,21 +307,21 @@ impl Compiler for LLVMCompiler {
let trampolines = match target.triple().architecture {
Architecture::Aarch64(_) => {
let nj = 16;
let trampolines = Some(TrampolinesSection::new(
SectionIndex::from_u32(module_custom_sections.len() as u32),
nj,
16,
));
// We create a jump to an absolute 64bits address
// using x17 as a scratch register, SystemV declare both x16 and x17 as Intra-Procedural scratch register
// but Apple ask to just not use x16
// LDR x17, #8 51 00 00 58
// BR x17 20 02 1f d6
// JMPADDR 00 00 00 00 00 00 00 00
let onejump = vec![
let onejump = [
0x51, 0x00, 0x00, 0x58, 0x20, 0x02, 0x1f, 0xd6, 0, 0, 0, 0, 0, 0, 0, 0,
];
let mut alljmps = Vec::<u8>::new();
let trampolines = Some(TrampolinesSection::new(
SectionIndex::from_u32(module_custom_sections.len() as u32),
nj,
onejump.len(),
));
let mut alljmps = vec![];
for _ in 0..nj {
alljmps.extend(onejump.iter().copied());
}