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Auto merge of #97485 - bjorn3:new_archive_writer, r=wesleywiser

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Rewrite LLVM's archive writer in Rust

This allows it to be used by other codegen backends.

Fixes https://github.com/bjorn3/rustc_codegen_cranelift/issues/1155
This commit is contained in:
bors 2022-12-03 15:07:39 +00:00
commit cab4fd678c
24 changed files with 491 additions and 527 deletions
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13
compiler/rustc_codegen_llvm/src/llvm/ffi.rs
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@ -983,6 +983,9 @@ pub type SelfProfileBeforePassCallback =
unsafe extern "C" fn(*mut c_void, *const c_char, *const c_char);
pub type SelfProfileAfterPassCallback = unsafe extern "C" fn(*mut c_void);
pub type GetSymbolsCallback = unsafe extern "C" fn(*mut c_void, *const c_char) -> *mut c_void;
pub type GetSymbolsErrorCallback = unsafe extern "C" fn(*const c_char) -> *mut c_void;
extern "C" {
pub fn LLVMRustInstallFatalErrorHandler();
pub fn LLVMRustDisableSystemDialogsOnCrash();
@ -2474,4 +2477,14 @@ extern "C" {
pub fn LLVMRustGetMangledName(V: &Value, out: &RustString);
pub fn LLVMRustGetElementTypeArgIndex(CallSite: &Value) -> i32;
pub fn LLVMRustIsBitcode(ptr: *const u8, len: usize) -> bool;
pub fn LLVMRustGetSymbols(
buf_ptr: *const u8,
buf_len: usize,
state: *mut c_void,
callback: GetSymbolsCallback,
error_callback: GetSymbolsErrorCallback,
) -> *mut c_void;
}