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Use LLVM-C APIs for getting/setting linkage

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This commit is contained in:
Zalathar 2024-10-25 22:06:29 +11:00
parent ec41e6d1b0
commit 96993a9b5e
3 changed files with 24 additions and 93 deletions
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33
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@ -5,6 +5,7 @@ use std::fmt::Debug;
use std::marker::PhantomData;
use libc::{c_char, c_int, c_uint, c_ulonglong, c_void, size_t};
use rustc_macros::TryFromU32;
use rustc_target::spec::SymbolVisibility;
use super::RustString;
@ -133,21 +134,31 @@ pub enum CallConv {
AvrInterrupt = 85,
}
/// LLVMRustLinkage
#[derive(Copy, Clone, PartialEq)]
/// Must match the layout of `LLVMLinkage`.
#[derive(Copy, Clone, PartialEq, TryFromU32)]
#[repr(C)]
pub enum Linkage {
ExternalLinkage = 0,
AvailableExternallyLinkage = 1,
LinkOnceAnyLinkage = 2,
LinkOnceODRLinkage = 3,
WeakAnyLinkage = 4,
WeakODRLinkage = 5,
AppendingLinkage = 6,
InternalLinkage = 7,
PrivateLinkage = 8,
ExternalWeakLinkage = 9,
CommonLinkage = 10,
#[deprecated = "marked obsolete by LLVM"]
LinkOnceODRAutoHideLinkage = 4,
WeakAnyLinkage = 5,
WeakODRLinkage = 6,
AppendingLinkage = 7,
InternalLinkage = 8,
PrivateLinkage = 9,
#[deprecated = "marked obsolete by LLVM"]
DLLImportLinkage = 10,
#[deprecated = "marked obsolete by LLVM"]
DLLExportLinkage = 11,
ExternalWeakLinkage = 12,
#[deprecated = "marked obsolete by LLVM"]
GhostLinkage = 13,
CommonLinkage = 14,
LinkerPrivateLinkage = 15,
LinkerPrivateWeakLinkage = 16,
}
// LLVMRustVisibility
@ -970,6 +981,8 @@ unsafe extern "C" {
// Operations on global variables, functions, and aliases (globals)
pub fn LLVMIsDeclaration(Global: &Value) -> Bool;
pub fn LLVMGetLinkage(Global: &Value) -> RawEnum<Linkage>;
pub fn LLVMSetLinkage(Global: &Value, RustLinkage: Linkage);
pub fn LLVMSetSection(Global: &Value, Section: *const c_char);
pub fn LLVMGetAlignment(Global: &Value) -> c_uint;
pub fn LLVMSetAlignment(Global: &Value, Bytes: c_uint);
@ -1546,8 +1559,6 @@ unsafe extern "C" {
) -> bool;
// Operations on global variables, functions, and aliases (globals)
pub fn LLVMRustGetLinkage(Global: &Value) -> Linkage;
pub fn LLVMRustSetLinkage(Global: &Value, RustLinkage: Linkage);
pub fn LLVMRustGetVisibility(Global: &Value) -> Visibility;
pub fn LLVMRustSetVisibility(Global: &Value, Viz: Visibility);
pub fn LLVMRustSetDSOLocal(Global: &Value, is_dso_local: bool);