bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Implement #[link_ordinal] attribute in the context of #[link(kind = "raw-dylib")].

Browse source
This commit is contained in:
Richard Cobbe 2021-09-10 17:34:09 -07:00
parent 60e70cc909
commit 142f6c0b07
20 changed files with 201 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

11
compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
View file

@ -1749,10 +1749,11 @@ LLVMRustBuildMaxNum(LLVMBuilderRef B, LLVMValueRef LHS, LLVMValueRef RHS) {
}
// This struct contains all necessary info about a symbol exported from a DLL.
// At the moment, it's just the symbol's name, but we use a separate struct to
// make it easier to add other information like ordinal later.
struct LLVMRustCOFFShortExport {
const char* name;
bool ordinal_present;
// The value of `ordinal` is only meaningful if `ordinal_present` is true.
uint16_t ordinal;
};
// Machine must be a COFF machine type, as defined in PE specs.
@ -1768,13 +1769,15 @@ extern "C" LLVMRustResult LLVMRustWriteImportLibrary(
ConvertedExports.reserve(NumExports);
for (size_t i = 0; i < NumExports; ++i) {
bool ordinal_present = Exports[i].ordinal_present;
uint16_t ordinal = ordinal_present ? Exports[i].ordinal : 0;
ConvertedExports.push_back(llvm::object::COFFShortExport{
Exports[i].name, // Name
std::string{}, // ExtName
std::string{}, // SymbolName
std::string{}, // AliasTarget
0, // Ordinal
false, // Noname
ordinal, // Ordinal
ordinal_present, // Noname
false, // Data
false, // Private
false // Constant