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initial implementation of the darwin_objc unstable feature

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This commit is contained in:
Jo Bates
2025-06-04 19:49:13 -07:00
parent 02c7b1a7ac
commit 1ebf69d1b1
39 changed files with 1381 additions and 11 deletions
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14
compiler/rustc_codegen_llvm/src/common.rs
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@@ -108,6 +108,10 @@ impl<'ll, CX: Borrow<SCx<'ll>>> GenericCx<'ll, CX> {
bytes_in_context(self.llcx(), bytes)
}
pub(crate) fn null_terminate_const_bytes(&self, bytes: &[u8]) -> &'ll Value {
null_terminate_bytes_in_context(self.llcx(), bytes)
}
pub(crate) fn const_get_elt(&self, v: &'ll Value, idx: u64) -> &'ll Value {
unsafe {
let idx = c_uint::try_from(idx).expect("LLVMGetAggregateElement index overflow");
@@ -381,6 +385,16 @@ pub(crate) fn bytes_in_context<'ll>(llcx: &'ll llvm::Context, bytes: &[u8]) -> &
}
}
pub(crate) fn null_terminate_bytes_in_context<'ll>(
llcx: &'ll llvm::Context,
bytes: &[u8],
) -> &'ll Value {
unsafe {
let ptr = bytes.as_ptr() as *const c_char;
llvm::LLVMConstStringInContext2(llcx, ptr, bytes.len(), FALSE)
}
}
pub(crate) fn named_struct<'ll>(ty: &'ll Type, elts: &[&'ll Value]) -> &'ll Value {
let len = c_uint::try_from(elts.len()).expect("LLVMConstStructInContext elements len overflow");
unsafe { llvm::LLVMConstNamedStruct(ty, elts.as_ptr(), len) }