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-rw-r--r--compiler/rustc_session/src/cstore.rs35
1 files changed, 34 insertions, 1 deletions
diff --git a/compiler/rustc_session/src/cstore.rs b/compiler/rustc_session/src/cstore.rs
index c1fd3c7c6..7d4a1e212 100644
--- a/compiler/rustc_session/src/cstore.rs
+++ b/compiler/rustc_session/src/cstore.rs
@@ -68,6 +68,8 @@ pub enum LinkagePreference {
pub struct NativeLib {
pub kind: NativeLibKind,
pub name: Option<Symbol>,
+ /// If packed_bundled_libs enabled, actual filename of library is stored.
+ pub filename: Option<Symbol>,
pub cfg: Option<ast::MetaItem>,
pub foreign_module: Option<DefId>,
pub wasm_import_module: Option<Symbol>,
@@ -81,10 +83,29 @@ impl NativeLib {
}
}
+/// Different ways that the PE Format can decorate a symbol name.
+/// From <https://docs.microsoft.com/en-us/windows/win32/debug/pe-format#import-name-type>
+#[derive(Copy, Clone, Debug, Encodable, Decodable, HashStable_Generic, PartialEq, Eq)]
+pub enum PeImportNameType {
+ /// IMPORT_ORDINAL
+ /// Uses the ordinal (i.e., a number) rather than the name.
+ Ordinal(u16),
+ /// Same as IMPORT_NAME
+ /// Name is decorated with all prefixes and suffixes.
+ Decorated,
+ /// Same as IMPORT_NAME_NOPREFIX
+ /// Prefix (e.g., the leading `_` or `@`) is skipped, but suffix is kept.
+ NoPrefix,
+ /// Same as IMPORT_NAME_UNDECORATE
+ /// Prefix (e.g., the leading `_` or `@`) and suffix (the first `@` and all
+ /// trailing characters) are skipped.
+ Undecorated,
+}
+
#[derive(Clone, Debug, Encodable, Decodable, HashStable_Generic)]
pub struct DllImport {
pub name: Symbol,
- pub ordinal: Option<u16>,
+ pub import_name_type: Option<PeImportNameType>,
/// Calling convention for the function.
///
/// On x86_64, this is always `DllCallingConvention::C`; on i686, it can be any
@@ -92,6 +113,18 @@ pub struct DllImport {
pub calling_convention: DllCallingConvention,
/// Span of import's "extern" declaration; used for diagnostics.
pub span: Span,
+ /// Is this for a function (rather than a static variable).
+ pub is_fn: bool,
+}
+
+impl DllImport {
+ pub fn ordinal(&self) -> Option<u16> {
+ if let Some(PeImportNameType::Ordinal(ordinal)) = self.import_name_type {
+ Some(ordinal)
+ } else {
+ None
+ }
+ }
}
/// Calling convention for a function defined in an external library.