diff options
Diffstat (limited to 'compiler/rustc_codegen_llvm')
| -rw-r--r-- | compiler/rustc_codegen_llvm/messages.ftl | 3 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/back/archive.rs | 94 | ||||
| -rw-r--r-- | compiler/rustc_codegen_llvm/src/errors.rs | 7 |
3 files changed, 3 insertions, 101 deletions
diff --git a/compiler/rustc_codegen_llvm/messages.ftl b/compiler/rustc_codegen_llvm/messages.ftl index 267da9325c3..df2198df14b 100644 --- a/compiler/rustc_codegen_llvm/messages.ftl +++ b/compiler/rustc_codegen_llvm/messages.ftl @@ -5,9 +5,6 @@ codegen_llvm_dynamic_linking_with_lto = .note = only 'staticlib', 'bin', and 'cdylib' outputs are supported with LTO -codegen_llvm_error_creating_import_library = - Error creating import library for {$lib_name}: {$error} - codegen_llvm_fixed_x18_invalid_arch = the `-Zfixed-x18` flag is not supported on the `{$arch}` architecture codegen_llvm_from_llvm_diag = {$message} diff --git a/compiler/rustc_codegen_llvm/src/back/archive.rs b/compiler/rustc_codegen_llvm/src/back/archive.rs index 2120fc1815c..c0ec4f86b4d 100644 --- a/compiler/rustc_codegen_llvm/src/back/archive.rs +++ b/compiler/rustc_codegen_llvm/src/back/archive.rs @@ -5,17 +5,13 @@ use std::path::{Path, PathBuf}; use std::{io, mem, ptr, str}; use rustc_codegen_ssa::back::archive::{ - create_mingw_dll_import_lib, try_extract_macho_fat_archive, ArArchiveBuilder, - ArchiveBuildFailure, ArchiveBuilder, ArchiveBuilderBuilder, ObjectReader, UnknownArchiveKind, - DEFAULT_OBJECT_READER, + try_extract_macho_fat_archive, ArArchiveBuilder, ArchiveBuildFailure, ArchiveBuilder, + ArchiveBuilderBuilder, ObjectReader, UnknownArchiveKind, DEFAULT_OBJECT_READER, }; -use rustc_codegen_ssa::common; use rustc_session::Session; -use tracing::trace; -use crate::errors::ErrorCreatingImportLibrary; use crate::llvm::archive_ro::{ArchiveRO, Child}; -use crate::llvm::{self, ArchiveKind, LLVMMachineType, LLVMRustCOFFShortExport}; +use crate::llvm::{self, ArchiveKind}; /// Helper for adding many files to an archive. #[must_use = "must call build() to finish building the archive"] @@ -44,18 +40,6 @@ fn is_relevant_child(c: &Child<'_>) -> bool { } } -/// Map machine type strings to values of LLVM's MachineTypes enum. -fn llvm_machine_type(cpu: &str) -> LLVMMachineType { - match cpu { - "x86_64" => LLVMMachineType::AMD64, - "x86" => LLVMMachineType::I386, - "aarch64" => LLVMMachineType::ARM64, - "arm64ec" => LLVMMachineType::ARM64EC, - "arm" => LLVMMachineType::ARM, - _ => panic!("unsupported cpu type {cpu}"), - } -} - impl<'a> ArchiveBuilder for LlvmArchiveBuilder<'a> { fn add_archive( &mut self, @@ -116,78 +100,6 @@ impl ArchiveBuilderBuilder for LlvmArchiveBuilderBuilder { Box::new(ArArchiveBuilder::new(sess, &LLVM_OBJECT_READER)) } } - - fn create_dll_import_lib( - &self, - sess: &Session, - lib_name: &str, - import_name_and_ordinal_vector: Vec<(String, Option<u16>)>, - output_path: &Path, - ) { - if common::is_mingw_gnu_toolchain(&sess.target) { - // The binutils linker used on -windows-gnu targets cannot read the import - // libraries generated by LLVM: in our attempts, the linker produced an .EXE - // that loaded but crashed with an AV upon calling one of the imported - // functions. Therefore, use binutils to create the import library instead, - // by writing a .DEF file to the temp dir and calling binutils's dlltool. - create_mingw_dll_import_lib( - sess, - lib_name, - import_name_and_ordinal_vector, - output_path, - ); - } else { - // we've checked for \0 characters in the library name already - let dll_name_z = CString::new(lib_name).unwrap(); - - let output_path_z = rustc_fs_util::path_to_c_string(&output_path); - - trace!("invoking LLVMRustWriteImportLibrary"); - trace!(" dll_name {:#?}", dll_name_z); - trace!(" output_path {}", output_path.display()); - trace!( - " import names: {}", - import_name_and_ordinal_vector - .iter() - .map(|(name, _ordinal)| name.clone()) - .collect::<Vec<_>>() - .join(", "), - ); - - // All import names are Rust identifiers and therefore cannot contain \0 characters. - // FIXME: when support for #[link_name] is implemented, ensure that the import names - // still don't contain any \0 characters. Also need to check that the names don't - // contain substrings like " @" or "NONAME" that are keywords or otherwise reserved - // in definition files. - let cstring_import_name_and_ordinal_vector: Vec<(CString, Option<u16>)> = - import_name_and_ordinal_vector - .into_iter() - .map(|(name, ordinal)| (CString::new(name).unwrap(), ordinal)) - .collect(); - - let ffi_exports: Vec<LLVMRustCOFFShortExport> = cstring_import_name_and_ordinal_vector - .iter() - .map(|(name_z, ordinal)| LLVMRustCOFFShortExport::new(name_z.as_ptr(), *ordinal)) - .collect(); - let result = unsafe { - crate::llvm::LLVMRustWriteImportLibrary( - dll_name_z.as_ptr(), - output_path_z.as_ptr(), - ffi_exports.as_ptr(), - ffi_exports.len(), - llvm_machine_type(&sess.target.arch) as u16, - !sess.target.is_like_msvc, - ) - }; - - if result == crate::llvm::LLVMRustResult::Failure { - sess.dcx().emit_fatal(ErrorCreatingImportLibrary { - lib_name, - error: llvm::last_error().unwrap_or("unknown LLVM error".to_string()), - }); - } - } - } } // The object crate doesn't know how to get symbols for LLVM bitcode and COFF bigobj files. diff --git a/compiler/rustc_codegen_llvm/src/errors.rs b/compiler/rustc_codegen_llvm/src/errors.rs index 7e53d32ce8c..e0ec9cdca56 100644 --- a/compiler/rustc_codegen_llvm/src/errors.rs +++ b/compiler/rustc_codegen_llvm/src/errors.rs @@ -40,13 +40,6 @@ pub(crate) enum PossibleFeature<'a> { } #[derive(Diagnostic)] -#[diag(codegen_llvm_error_creating_import_library)] -pub(crate) struct ErrorCreatingImportLibrary<'a> { - pub lib_name: &'a str, - pub error: String, -} - -#[derive(Diagnostic)] #[diag(codegen_llvm_symbol_already_defined)] pub(crate) struct SymbolAlreadyDefined<'a> { #[primary_span] |