src/librustc_llvm/lib.rs

   1 #![deny(rust_2018_idioms)]
   2 #![feature(nll)]
   3 #![feature(static_nobundle)]
   4
   5 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/")]
   6
   7 // See librustc_cratesio_shim/Cargo.toml for a comment explaining this.
   8 #[allow(unused_extern_crates)]
   9 extern crate rustc_cratesio_shim;
  10
  11 // NOTE: This crate only exists to allow linking on mingw targets.
  12
  13 /// Initialize targets enabled by the build script via `cfg(llvm_component = "...")`.
  14 /// N.B., this function can't be moved to `rustc_codegen_llvm` because of the `cfg`s.
  15 pub fn initialize_available_targets() {
  16     macro_rules! init_target(
  17         ($cfg:meta, $($method:ident),*) => { {
  18             #[cfg($cfg)]
  19             fn init() {
  20                 extern {
  21                     $(fn $method();)*
  22                 }
  23                 unsafe {
  24                     $($method();)*
  25                 }
  26             }
  27             #[cfg(not($cfg))]
  28             fn init() { }
  29             init();
  30         } }
  31     );
  32     init_target!(llvm_component = "x86",
  33                  LLVMInitializeX86TargetInfo,
  34                  LLVMInitializeX86Target,
  35                  LLVMInitializeX86TargetMC,
  36                  LLVMInitializeX86AsmPrinter,
  37                  LLVMInitializeX86AsmParser);
  38     init_target!(llvm_component = "arm",
  39                  LLVMInitializeARMTargetInfo,
  40                  LLVMInitializeARMTarget,
  41                  LLVMInitializeARMTargetMC,
  42                  LLVMInitializeARMAsmPrinter,
  43                  LLVMInitializeARMAsmParser);
  44     init_target!(llvm_component = "aarch64",
  45                  LLVMInitializeAArch64TargetInfo,
  46                  LLVMInitializeAArch64Target,
  47                  LLVMInitializeAArch64TargetMC,
  48                  LLVMInitializeAArch64AsmPrinter,
  49                  LLVMInitializeAArch64AsmParser);
  50     init_target!(llvm_component = "amdgpu",
  51                  LLVMInitializeAMDGPUTargetInfo,
  52                  LLVMInitializeAMDGPUTarget,
  53                  LLVMInitializeAMDGPUTargetMC,
  54                  LLVMInitializeAMDGPUAsmPrinter,
  55                  LLVMInitializeAMDGPUAsmParser);
  56     init_target!(llvm_component = "mips",
  57                  LLVMInitializeMipsTargetInfo,
  58                  LLVMInitializeMipsTarget,
  59                  LLVMInitializeMipsTargetMC,
  60                  LLVMInitializeMipsAsmPrinter,
  61                  LLVMInitializeMipsAsmParser);
  62     init_target!(llvm_component = "powerpc",
  63                  LLVMInitializePowerPCTargetInfo,
  64                  LLVMInitializePowerPCTarget,
  65                  LLVMInitializePowerPCTargetMC,
  66                  LLVMInitializePowerPCAsmPrinter,
  67                  LLVMInitializePowerPCAsmParser);
  68     init_target!(llvm_component = "systemz",
  69                  LLVMInitializeSystemZTargetInfo,
  70                  LLVMInitializeSystemZTarget,
  71                  LLVMInitializeSystemZTargetMC,
  72                  LLVMInitializeSystemZAsmPrinter,
  73                  LLVMInitializeSystemZAsmParser);
  74     init_target!(llvm_component = "jsbackend",
  75                  LLVMInitializeJSBackendTargetInfo,
  76                  LLVMInitializeJSBackendTarget,
  77                  LLVMInitializeJSBackendTargetMC);
  78     init_target!(llvm_component = "msp430",
  79                  LLVMInitializeMSP430TargetInfo,
  80                  LLVMInitializeMSP430Target,
  81                  LLVMInitializeMSP430TargetMC,
  82                  LLVMInitializeMSP430AsmPrinter);
  83     init_target!(llvm_component = "riscv",
  84                  LLVMInitializeRISCVTargetInfo,
  85                  LLVMInitializeRISCVTarget,
  86                  LLVMInitializeRISCVTargetMC,
  87                  LLVMInitializeRISCVAsmPrinter,
  88                  LLVMInitializeRISCVAsmParser);
  89     init_target!(llvm_component = "sparc",
  90                  LLVMInitializeSparcTargetInfo,
  91                  LLVMInitializeSparcTarget,
  92                  LLVMInitializeSparcTargetMC,
  93                  LLVMInitializeSparcAsmPrinter,
  94                  LLVMInitializeSparcAsmParser);
  95     init_target!(llvm_component = "nvptx",
  96                  LLVMInitializeNVPTXTargetInfo,
  97                  LLVMInitializeNVPTXTarget,
  98                  LLVMInitializeNVPTXTargetMC,
  99                  LLVMInitializeNVPTXAsmPrinter);
 100     init_target!(llvm_component = "hexagon",
 101                  LLVMInitializeHexagonTargetInfo,
 102                  LLVMInitializeHexagonTarget,
 103                  LLVMInitializeHexagonTargetMC,
 104                  LLVMInitializeHexagonAsmPrinter,
 105                  LLVMInitializeHexagonAsmParser);
 106     init_target!(llvm_component = "webassembly",
 107                  LLVMInitializeWebAssemblyTargetInfo,
 108                  LLVMInitializeWebAssemblyTarget,
 109                  LLVMInitializeWebAssemblyTargetMC,
 110                  LLVMInitializeWebAssemblyAsmPrinter);
 111 }