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//! A disassembler library.

#![allow(non_upper_case_globals, non_snake_case)]

pub enum LLVMOpaqueDisasmContext {}
pub type LLVMDisasmContextRef = *mut LLVMOpaqueDisasmContext;

pub type LLVMOpInfoCallback = Option<extern "C" fn(DisInfo: *mut ::libc::c_void,
                                                   PC: u64,
                                                   Offset: u64,
                                                   Size: u64,
                                                   TagType: ::libc::c_int,
                                                   TagBuf: *mut ::libc::c_void)
                                                   -> ::libc::c_int>;

#[repr(C)]
pub struct LLVMOpInfoSymbol1 {
    /// 1 if this symbol is present.
    pub Present: u64,
    /// Symbol name if not NULL.
    pub Name: *const ::libc::c_char,
    /// Symbol value if name is NULL.
    pub Value: u64,
}

#[repr(C)]
pub struct Struct_LLVMOpInfo1 {
    pub AddSymbol: LLVMOpInfoSymbol1,
    pub SubtractSymbol: LLVMOpInfoSymbol1,
    pub Value: u64,
    pub VariantKind: u64,
}

pub const LLVMDisassembler_VariantKind_None: u64 = 0;
pub const LLVMDisassembler_VariantKind_ARM_HI16: u64 = 1;
pub const LLVMDisassembler_VariantKind_ARM_LO16: u64 = 2;
pub const LLVMDisassembler_VariantKind_ARM64_PAGE: u64 = 1;
pub const LLVMDisassembler_VariantKind_ARM64_PAGEOFF: u64 = 2;
pub const LLVMDisassembler_VariantKind_ARM64_GOTPAGE: u64 = 3;
pub const LLVMDisassembler_VariantKind_ARM64_GOTPAGEOFF: u64 = 4;
pub const LLVMDisassembler_VariantKind_ARM64_TLVP: u64 = 5;
pub const LLVMDisassembler_VariantKind_ARM64_TLVOFF: u64 = 6;

/// No input reference type or no output reference type.
pub const LLVMDisassembler_ReferenceType_InOut_None: u64 = 0;

/// The input reference is from a branch instruction.
pub const LLVMDisassembler_ReferenceType_In_Branch: u64 = 1;
/// The input reference is from a PC relative load instruction.
pub const LLVMDisassembler_ReferenceType_In_PCrel_Load: u64 = 2;

/// The input reference is from an ARM64::ADRP instruction.
pub const LLVMDisassembler_ReferenceType_In_ARM64_ADRP: u64 = 0x100000001;
/// The input reference is from an ARM64::ADDXri instruction.
pub const LLVMDisassembler_ReferenceType_In_ARM64_ADDXri: u64 = 0x100000002;
/// The input reference is from an ARM64::LDRXui instruction.
pub const LLVMDisassembler_ReferenceType_In_ARM64_LDRXui: u64 = 0x100000003;
/// The input reference is from an ARM64::LDRXl instruction.
pub const LLVMDisassembler_ReferenceType_In_ARM64_LDRXl: u64 = 0x100000004;
/// The input reference is from an ARM64::ADR instruction.
pub const LLVMDisassembler_ReferenceType_In_ARM64_ADR: u64 = 0x100000005;

/// The output reference is to as symbol stub.
pub const LLVMDisassembler_ReferenceType_Out_SymbolStub: u64 = 1;
/// The output reference is to a symbol address in a literal pool.
pub const LLVMDisassembler_ReferenceType_Out_LitPool_SymAddr: u64 = 2;
/// The output reference is to a cstring address in a literal pool.
pub const LLVMDisassembler_ReferenceType_Out_LitPool_CstrAddr: u64 = 3;

/// The output reference is to a Objective-C CoreFoundation string.
pub const LLVMDisassembler_ReferenceType_Out_Objc_CFString_Ref: u64 = 4;
/// The output reference is to a Objective-C message.
pub const LLVMDisassembler_ReferenceType_Out_Objc_Message: u64 = 5;
/// The output reference is to a Objective-C message ref.
pub const LLVMDisassembler_ReferenceType_Out_Objc_Message_Ref: u64 = 6;
/// The output reference is to a Objective-C selector ref.
pub const LLVMDisassembler_ReferenceType_Out_Objc_Selector_Ref: u64 = 7;
/// The output reference is to a Objective-C class ref.
pub const LLVMDisassembler_ReferenceType_Out_Objc_Class_Ref: u64 = 8;
/// The output reference is to a C++ symbol name.
pub const LLVMDisassembler_ReferenceType_DeMangled_Name: u64 = 9;

/// The option to produce marked up assembly.
pub const LLVMDisassembler_Option_UseMarkup: u64 = 1;
/// The option to print immediates as hex.
pub const LLVMDisassembler_Option_PrintImmHex: u64 = 2;
/// The option use the other assembler printer variant
pub const LLVMDisassembler_Option_AsmPrinterVariant: u64 = 4;
/// The option to set comment on instructions
pub const LLVMDisassembler_Option_SetInstrComments: u64 = 8;
/// The option to print latency information alongside instructions
pub const LLVMDisassembler_Option_PrintLatency: u64 = 16;

pub type LLVMSymbolLookupCallback =
    Option<extern "C" fn(DisInfo: *mut ::libc::c_void,
                         ReferenceValue: u64,
                         ReferenceType: *mut u64,
                         ReferencePC: u64,
                         ReferenceName: *mut *const ::libc::c_char)
                         -> *const ::libc::c_char>;

extern "C" {
    pub fn LLVMCreateDisasm(TripleName: *const ::libc::c_char,
                            DisInfo: *mut ::libc::c_void,
                            TagType: ::libc::c_int,
                            GetOpInfo: LLVMOpInfoCallback,
                            SymbolLookUp: LLVMSymbolLookupCallback)
                            -> LLVMDisasmContextRef;
    pub fn LLVMCreateDisasmCPU(Triple: *const ::libc::c_char,
                               CPU: *const ::libc::c_char,
                               DisInfo: *mut ::libc::c_void,
                               TagType: ::libc::c_int,
                               GetOpInfo: LLVMOpInfoCallback,
                               SymbolLookUp: LLVMSymbolLookupCallback)
                               -> LLVMDisasmContextRef;
    pub fn LLVMCreateDisasmCPUFeatures(Triple: *const ::libc::c_char,
                                       CPU: *const ::libc::c_char,
                                       Features: *const ::libc::c_char,
                                       DisInfo: *mut ::libc::c_void,
                                       TagType: ::libc::c_int,
                                       GetOpInfo: LLVMOpInfoCallback,
                                       SymbolLookUp: LLVMSymbolLookupCallback)
                                       -> LLVMDisasmContextRef;
    pub fn LLVMSetDisasmOptions(DC: LLVMDisasmContextRef, Options: u64) -> ::libc::c_int;
    pub fn LLVMDisasmDispose(DC: LLVMDisasmContextRef);
    pub fn LLVMDisasmInstruction(DC: LLVMDisasmContextRef,
                                 Bytes: *mut u8,
                                 BytesSize: u64,
                                 PC: u64,
                                 OutString: *mut ::libc::c_char,
                                 OutStringSize: ::libc::size_t)
                                 -> ::libc::size_t;
}