src/librustc_llvm/lib.rs

   1 #![deny(rust_2018_idioms)]
   2 #![feature(static_nobundle)]
   3
   4 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
   5
   6 // See librustc_cratesio_shim/Cargo.toml for a comment explaining this.
   7 #[allow(unused_extern_crates)]
   8 extern crate rustc_cratesio_shim;
   9
  10 // NOTE: This crate only exists to allow linking on mingw targets.
  11
  12 /// Initialize targets enabled by the build script via `cfg(llvm_component = "...")`.
  13 /// N.B., this function can't be moved to `rustc_codegen_llvm` because of the `cfg`s.
  14 pub fn initialize_available_targets() {
  15     macro_rules! init_target(
  16         ($cfg:meta, $($method:ident),*) => { {
  17             #[cfg($cfg)]
  18             fn init() {
  19                 extern {
  20                     $(fn $method();)*
  21                 }
  22                 unsafe {
  23                     $($method();)*
  24                 }
  25             }
  26             #[cfg(not($cfg))]
  27             fn init() { }
  28             init();
  29         } }
  30     );
  31     init_target!(llvm_component = "x86",
  32                  LLVMInitializeX86TargetInfo,
  33                  LLVMInitializeX86Target,
  34                  LLVMInitializeX86TargetMC,
  35                  LLVMInitializeX86AsmPrinter,
  36                  LLVMInitializeX86AsmParser);
  37     init_target!(llvm_component = "arm",
  38                  LLVMInitializeARMTargetInfo,
  39                  LLVMInitializeARMTarget,
  40                  LLVMInitializeARMTargetMC,
  41                  LLVMInitializeARMAsmPrinter,
  42                  LLVMInitializeARMAsmParser);
  43     init_target!(llvm_component = "aarch64",
  44                  LLVMInitializeAArch64TargetInfo,
  45                  LLVMInitializeAArch64Target,
  46                  LLVMInitializeAArch64TargetMC,
  47                  LLVMInitializeAArch64AsmPrinter,
  48                  LLVMInitializeAArch64AsmParser);
  49     init_target!(llvm_component = "amdgpu",
  50                  LLVMInitializeAMDGPUTargetInfo,
  51                  LLVMInitializeAMDGPUTarget,
  52                  LLVMInitializeAMDGPUTargetMC,
  53                  LLVMInitializeAMDGPUAsmPrinter,
  54                  LLVMInitializeAMDGPUAsmParser);
  55     init_target!(llvm_component = "mips",
  56                  LLVMInitializeMipsTargetInfo,
  57                  LLVMInitializeMipsTarget,
  58                  LLVMInitializeMipsTargetMC,
  59                  LLVMInitializeMipsAsmPrinter,
  60                  LLVMInitializeMipsAsmParser);
  61     init_target!(llvm_component = "powerpc",
  62                  LLVMInitializePowerPCTargetInfo,
  63                  LLVMInitializePowerPCTarget,
  64                  LLVMInitializePowerPCTargetMC,
  65                  LLVMInitializePowerPCAsmPrinter,
  66                  LLVMInitializePowerPCAsmParser);
  67     init_target!(llvm_component = "systemz",
  68                  LLVMInitializeSystemZTargetInfo,
  69                  LLVMInitializeSystemZTarget,
  70                  LLVMInitializeSystemZTargetMC,
  71                  LLVMInitializeSystemZAsmPrinter,
  72                  LLVMInitializeSystemZAsmParser);
  73     init_target!(llvm_component = "jsbackend",
  74                  LLVMInitializeJSBackendTargetInfo,
  75                  LLVMInitializeJSBackendTarget,
  76                  LLVMInitializeJSBackendTargetMC);
  77     init_target!(llvm_component = "msp430",
  78                  LLVMInitializeMSP430TargetInfo,
  79                  LLVMInitializeMSP430Target,
  80                  LLVMInitializeMSP430TargetMC,
  81                  LLVMInitializeMSP430AsmPrinter);
  82     init_target!(llvm_component = "riscv",
  83                  LLVMInitializeRISCVTargetInfo,
  84                  LLVMInitializeRISCVTarget,
  85                  LLVMInitializeRISCVTargetMC,
  86                  LLVMInitializeRISCVAsmPrinter,
  87                  LLVMInitializeRISCVAsmParser);
  88     init_target!(llvm_component = "sparc",
  89                  LLVMInitializeSparcTargetInfo,
  90                  LLVMInitializeSparcTarget,
  91                  LLVMInitializeSparcTargetMC,
  92                  LLVMInitializeSparcAsmPrinter,
  93                  LLVMInitializeSparcAsmParser);
  94     init_target!(llvm_component = "nvptx",
  95                  LLVMInitializeNVPTXTargetInfo,
  96                  LLVMInitializeNVPTXTarget,
  97                  LLVMInitializeNVPTXTargetMC,
  98                  LLVMInitializeNVPTXAsmPrinter);
  99     init_target!(llvm_component = "hexagon",
 100                  LLVMInitializeHexagonTargetInfo,
 101                  LLVMInitializeHexagonTarget,
 102                  LLVMInitializeHexagonTargetMC,
 103                  LLVMInitializeHexagonAsmPrinter,
 104                  LLVMInitializeHexagonAsmParser);
 105     init_target!(llvm_component = "webassembly",
 106                  LLVMInitializeWebAssemblyTargetInfo,
 107                  LLVMInitializeWebAssemblyTarget,
 108                  LLVMInitializeWebAssemblyTargetMC,
 109                  LLVMInitializeWebAssemblyAsmPrinter);
 110 }