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Creates object file from the module. (#2955)

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This pr creates the object file for the carbon code that returns either
0 or 1. The command to convert the object code to binary is `clang
<object_file_name> -o <binary_name>`

---------

Co-authored-by: Farzana Ahmed Siddique <fasiddique@google.com>
Co-authored-by: Richard Smith <richard@metafoo.co.uk>
This commit is contained in:
Farzana Ahmed Siddique
2023-07-07 22:16:41 +00:00
committed by GitHub
co-authored by Farzana Ahmed Siddique Richard Smith
parent 123662f5b1
commit 037196f69f
8 changed files with 142 additions and 29 deletions
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toolchain/codegen/codegen.h
+41 -7
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@@ -8,15 +8,49 @@
#include <cstdint>
#include "llvm/IR/Module.h"
#include "llvm/Target/TargetMachine.h"
namespace Carbon {
// Prints the assembly to stdout for the given llvm module.
// If print fails, this returns false and any information about the failure is
// printed to the error stream.
auto PrintAssemblyFromModule(llvm::Module& module,
llvm::StringRef target_triple,
llvm::raw_pwrite_stream& error_stream,
llvm::raw_pwrite_stream& output_stream) -> bool;
class CodeGen {
public:
CodeGen(llvm::Module& module, llvm::StringRef triple,
llvm::raw_pwrite_stream& error_stream,
llvm::raw_pwrite_stream& output_stream)
: Module(module),
output_stream_(output_stream),
error_stream_(error_stream),
target_triple(triple){};
// Generates the object code file.
// Returns false in case of failure, and any information about the failure is
// printed to the error stream.
auto GenerateObjectCode() -> bool;
// Prints the assembly to stdout.
// Returns false in case of failure, and any information about the failure is
// printed to the error stream.
auto PrintAssembly() -> bool;
private:
llvm::Module& Module;
llvm::raw_pwrite_stream& output_stream_;
llvm::raw_pwrite_stream& error_stream_;
llvm::StringRef target_triple;
// Creates the target machine for triple.
// Returns nullptr in case of failure, and any information about the failure
// is printed to the error stream.
auto CreateTargetMachine() -> std::unique_ptr<llvm::TargetMachine>;
// Using the llvm pass emits either assembly or object code to dest.
// Returns false in case of failure, and any information about the failure is
// printed to the error stream.
auto EmitCode(llvm::raw_pwrite_stream& dest,
llvm::TargetMachine* target_machine,
llvm::CodeGenFileType file_type) -> bool;
};
} // namespace Carbon
#endif // CARBON_TOOLCHAIN_CODEGEN_CODEGEN_H_