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//! Target information

use super::prelude::*;

#[repr(C)]
#[derive(Clone, Copy, Debug, PartialEq)]
pub enum LLVMByteOrdering {
    LLVMBigEndian = 0,
    LLVMLittleEndian = 1,
}

pub enum LLVMOpaqueTargetData {}
pub type LLVMTargetDataRef = *mut LLVMOpaqueTargetData;

pub enum LLVMOpaqueTargetLibraryInfotData {}
pub type LLVMTargetLibraryInfoRef = *mut LLVMOpaqueTargetLibraryInfotData;

extern "C" {
    pub fn LLVMInitializeAMDGPUTargetInfo();
    pub fn LLVMInitializeAMDGPUTarget();
    pub fn LLVMInitializeAMDGPUTargetMC();
    pub fn LLVMInitializeAMDGPUAsmPrinter();
    pub fn LLVMInitializeAMDGPUAsmParser();
    // Disassembler?

    pub fn LLVMInitializeSystemZTargetInfo();
    pub fn LLVMInitializeSystemZTarget();
    pub fn LLVMInitializeSystemZTargetMC();
    pub fn LLVMInitializeSystemZAsmPrinter();
    pub fn LLVMInitializeSystemZAsmParser();
    pub fn LLVMInitializeSystemZDisassembler();

    pub fn LLVMInitializeHexagonTargetInfo();
    pub fn LLVMInitializeHexagonTarget();
    pub fn LLVMInitializeHexagonTargetMC();
    pub fn LLVMInitializeHexagonAsmPrinter();
    // AsmParser?
    pub fn LLVMInitializeHexagonDisassembler();

    pub fn LLVMInitializeNVPTXTargetInfo();
    pub fn LLVMInitializeNVPTXTarget();
    pub fn LLVMInitializeNVPTXTargetMC();
    pub fn LLVMInitializeNVPTXAsmPrinter();
    // AsmParser?

    pub fn LLVMInitializeMSP430TargetInfo();
    pub fn LLVMInitializeMSP430Target();
    pub fn LLVMInitializeMSP430TargetMC();
    pub fn LLVMInitializeMSP430AsmPrinter();
    // AsmParser?

    pub fn LLVMInitializeXCoreTargetInfo();
    pub fn LLVMInitializeXCoreTarget();
    pub fn LLVMInitializeXCoreTargetMC();
    pub fn LLVMInitializeXCoreAsmPrinter();
    // AsmParser?
    pub fn LLVMInitializeXCoreDisassembler();

    pub fn LLVMInitializeMipsTargetInfo();
    pub fn LLVMInitializeMipsTarget();
    pub fn LLVMInitializeMipsTargetMC();
    pub fn LLVMInitializeMipsAsmPrinter();
    pub fn LLVMInitializeMipsAsmParser();
    pub fn LLVMInitializeMipsDisassembler();

    pub fn LLVMInitializeAArch64TargetInfo();
    pub fn LLVMInitializeAArch64Target();
    pub fn LLVMInitializeAArch64TargetMC();
    pub fn LLVMInitializeAArch64AsmPrinter();
    pub fn LLVMInitializeAArch64AsmParser();
    pub fn LLVMInitializeAArch64Disassembler();

    pub fn LLVMInitializeARMTargetInfo();
    pub fn LLVMInitializeARMTarget();
    pub fn LLVMInitializeARMTargetMC();
    pub fn LLVMInitializeARMAsmPrinter();
    pub fn LLVMInitializeARMAsmParser();
    pub fn LLVMInitializeARMDisassembler();

    pub fn LLVMInitializePowerPCTargetInfo();
    pub fn LLVMInitializePowerPCTarget();
    pub fn LLVMInitializePowerPCTargetMC();
    pub fn LLVMInitializePowerPCAsmPrinter();
    pub fn LLVMInitializePowerPCAsmParser();
    pub fn LLVMInitializePowerPCDisassembler();

    pub fn LLVMInitializeSparcTargetInfo();
    pub fn LLVMInitializeSparcTarget();
    pub fn LLVMInitializeSparcTargetMC();
    pub fn LLVMInitializeSparcAsmPrinter();
    pub fn LLVMInitializeSparcAsmParser();
    pub fn LLVMInitializeSparcDisassembler();

    pub fn LLVMInitializeX86TargetInfo();
    pub fn LLVMInitializeX86Target();
    pub fn LLVMInitializeX86TargetMC();
    pub fn LLVMInitializeX86AsmPrinter();
    pub fn LLVMInitializeX86AsmParser();
    pub fn LLVMInitializeX86Disassembler();

    pub fn LLVMInitializeBPFTargetInfo();
    pub fn LLVMInitializeBPFTarget();
    pub fn LLVMInitializeBPFTargetMC();
    pub fn LLVMInitializeBPFAsmPrinter();
    // No AsmParser
    pub fn LLVMInitializeBPFDisassembler();

    pub fn LLVMInitializeLanaiTargetInfo();
    pub fn LLVMInitializeLanaiTarget();
    pub fn LLVMInitializeLanaiTargetMC();
    pub fn LLVMInitializeLanaiAsmPrinter();
    pub fn LLVMInitializeLanaiAsmParser();
    pub fn LLVMInitializeLanaiDisassembler();

    pub fn LLVMInitializeRISCVTargetInfo();
    pub fn LLVMInitializeRISCVTarget();
    pub fn LLVMInitializeRISCVTargetMC();
    // No AsmPrinter
    // No AsmParser
    // No Disassembler
}

extern "C" {
    /// Get the data layout for a module.
    pub fn LLVMGetModuleDataLayout(M: LLVMModuleRef) -> LLVMTargetDataRef;
    /// Set the data layout for a module.
    pub fn LLVMSetModuleDataLayout(M: LLVMModuleRef, R: LLVMTargetDataRef);
    /// Create target data from a target layout string.
    pub fn LLVMCreateTargetData(StringRep: *const ::libc::c_char) -> LLVMTargetDataRef;
    pub fn LLVMAddTargetLibraryInfo(TLI: LLVMTargetLibraryInfoRef, PM: LLVMPassManagerRef);
    pub fn LLVMCopyStringRepOfTargetData(TD: LLVMTargetDataRef) -> *mut ::libc::c_char;
    pub fn LLVMByteOrder(TD: LLVMTargetDataRef) -> LLVMByteOrdering;
    pub fn LLVMPointerSize(TD: LLVMTargetDataRef) -> ::libc::c_uint;
    pub fn LLVMPointerSizeForAS(TD: LLVMTargetDataRef, AS: ::libc::c_uint) -> ::libc::c_uint;
    pub fn LLVMIntPtrType(TD: LLVMTargetDataRef) -> LLVMTypeRef;
    pub fn LLVMIntPtrTypeForAS(TD: LLVMTargetDataRef, AS: ::libc::c_uint) -> LLVMTypeRef;
    pub fn LLVMIntPtrTypeInContext(C: LLVMContextRef, TD: LLVMTargetDataRef) -> LLVMTypeRef;
    pub fn LLVMIntPtrTypeForASInContext(C: LLVMContextRef,
                                        TD: LLVMTargetDataRef,
                                        AS: ::libc::c_uint)
                                        -> LLVMTypeRef;
    pub fn LLVMSizeOfTypeInBits(TD: LLVMTargetDataRef, Ty: LLVMTypeRef) -> ::libc::c_ulonglong;
    pub fn LLVMStoreSizeOfType(TD: LLVMTargetDataRef, Ty: LLVMTypeRef) -> ::libc::c_ulonglong;
    pub fn LLVMABISizeOfType(TD: LLVMTargetDataRef, Ty: LLVMTypeRef) -> ::libc::c_ulonglong;
    pub fn LLVMABIAlignmentOfType(TD: LLVMTargetDataRef, Ty: LLVMTypeRef) -> ::libc::c_uint;
    pub fn LLVMCallFrameAlignmentOfType(TD: LLVMTargetDataRef, Ty: LLVMTypeRef) -> ::libc::c_uint;
    pub fn LLVMPreferredAlignmentOfType(TD: LLVMTargetDataRef, Ty: LLVMTypeRef) -> ::libc::c_uint;
    pub fn LLVMPreferredAlignmentOfGlobal(TD: LLVMTargetDataRef,
                                          GlobalVar: LLVMValueRef)
                                          -> ::libc::c_uint;
    pub fn LLVMElementAtOffset(TD: LLVMTargetDataRef,
                               StructTy: LLVMTypeRef,
                               Offset: ::libc::c_ulonglong)
                               -> ::libc::c_uint;
    pub fn LLVMOffsetOfElement(TD: LLVMTargetDataRef,
                               StructTy: LLVMTypeRef,
                               Element: ::libc::c_uint)
                               -> ::libc::c_ulonglong;
    pub fn LLVMDisposeTargetData(TD: LLVMTargetDataRef);
}

// Functions from our target wrappers, since the C interface defines them with
// macros (wrappers/target.c).
extern "C" {
    pub fn LLVM_InitializeAllTargetInfos();
    pub fn LLVM_InitializeAllTargets();
    pub fn LLVM_InitializeAllTargetMCs();
    pub fn LLVM_InitializeAllAsmPrinters();
    pub fn LLVM_InitializeAllAsmParsers();
    pub fn LLVM_InitializeAllDisassemblers();

    /// Returns 1 on failure.
    pub fn LLVM_InitializeNativeTarget() -> LLVMBool;
    /// Returns 1 on failure.
    pub fn LLVM_InitializeNativeAsmParser() -> LLVMBool;
    /// Returns 1 on failure.
    pub fn LLVM_InitializeNativeAsmPrinter() -> LLVMBool;
    /// Returns 1 on failure.
    pub fn LLVM_InitializeNativeDisassembler() -> LLVMBool;
}