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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:06:37 +0000 |
commit | 246f239d9f40f633160f0c18f87a20922d4e77bb (patch) | |
tree | 5a88572663584b3d4d28e5a20e10abab1be40884 /compiler/rustc_codegen_ssa/src/back/archive.rs | |
parent | Releasing progress-linux version 1.64.0+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.tar.xz rustc-246f239d9f40f633160f0c18f87a20922d4e77bb.zip |
Merging debian version 1.65.0+dfsg1-2.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_codegen_ssa/src/back/archive.rs')
-rw-r--r-- | compiler/rustc_codegen_ssa/src/back/archive.rs | 73 |
1 files changed, 38 insertions, 35 deletions
diff --git a/compiler/rustc_codegen_ssa/src/back/archive.rs b/compiler/rustc_codegen_ssa/src/back/archive.rs index 0d2aa483d..bb76ca5d2 100644 --- a/compiler/rustc_codegen_ssa/src/back/archive.rs +++ b/compiler/rustc_codegen_ssa/src/back/archive.rs @@ -1,44 +1,16 @@ +use rustc_data_structures::fx::FxHashSet; +use rustc_data_structures::memmap::Mmap; use rustc_session::cstore::DllImport; use rustc_session::Session; +use rustc_span::symbol::Symbol; +use object::read::archive::ArchiveFile; + +use std::fmt::Display; +use std::fs::File; use std::io; use std::path::{Path, PathBuf}; -pub(super) fn find_library( - name: &str, - verbatim: bool, - search_paths: &[PathBuf], - sess: &Session, -) -> PathBuf { - // On Windows, static libraries sometimes show up as libfoo.a and other - // times show up as foo.lib - let oslibname = if verbatim { - name.to_string() - } else { - format!("{}{}{}", sess.target.staticlib_prefix, name, sess.target.staticlib_suffix) - }; - let unixlibname = format!("lib{}.a", name); - - for path in search_paths { - debug!("looking for {} inside {:?}", name, path); - let test = path.join(&oslibname); - if test.exists() { - return test; - } - if oslibname != unixlibname { - let test = path.join(&unixlibname); - if test.exists() { - return test; - } - } - } - sess.fatal(&format!( - "could not find native static library `{}`, \ - perhaps an -L flag is missing?", - name - )); -} - pub trait ArchiveBuilderBuilder { fn new_archive_builder<'a>(&self, sess: &'a Session) -> Box<dyn ArchiveBuilder<'a> + 'a>; @@ -53,7 +25,38 @@ pub trait ArchiveBuilderBuilder { lib_name: &str, dll_imports: &[DllImport], tmpdir: &Path, + is_direct_dependency: bool, ) -> PathBuf; + + fn extract_bundled_libs( + &self, + rlib: &Path, + outdir: &Path, + bundled_lib_file_names: &FxHashSet<Symbol>, + ) -> Result<(), String> { + let message = |msg: &str, e: &dyn Display| format!("{} '{}': {}", msg, &rlib.display(), e); + let archive_map = unsafe { + Mmap::map(File::open(rlib).map_err(|e| message("failed to open file", &e))?) + .map_err(|e| message("failed to mmap file", &e))? + }; + let archive = ArchiveFile::parse(&*archive_map) + .map_err(|e| message("failed to parse archive", &e))?; + + for entry in archive.members() { + let entry = entry.map_err(|e| message("failed to read entry", &e))?; + let data = entry + .data(&*archive_map) + .map_err(|e| message("failed to get data from archive member", &e))?; + let name = std::str::from_utf8(entry.name()) + .map_err(|e| message("failed to convert name", &e))?; + if !bundled_lib_file_names.contains(&Symbol::intern(name)) { + continue; // We need to extract only native libraries. + } + std::fs::write(&outdir.join(&name), data) + .map_err(|e| message("failed to write file", &e))?; + } + Ok(()) + } } pub trait ArchiveBuilder<'a> { |