/usr/include/llvm-3.4/llvm/CodeGen/MachORelocation.h is in llvm-3.4-dev 1:3.4-1ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 | //=== MachORelocation.h - Mach-O Relocation Info ----------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the MachORelocation class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CODEGEN_MACHORELOCATION_H
#define LLVM_CODEGEN_MACHORELOCATION_H
#include "llvm/Support/DataTypes.h"
namespace llvm {
/// MachORelocation - This struct contains information about each relocation
/// that needs to be emitted to the file.
/// see <mach-o/reloc.h>
class MachORelocation {
uint32_t r_address; // offset in the section to what is being relocated
uint32_t r_symbolnum; // symbol index if r_extern == 1 else section index
bool r_pcrel; // was relocated pc-relative already
uint8_t r_length; // length = 2 ^ r_length
bool r_extern; //
uint8_t r_type; // if not 0, machine-specific relocation type.
bool r_scattered; // 1 = scattered, 0 = non-scattered
int32_t r_value; // the value the item to be relocated is referring
// to.
public:
uint32_t getPackedFields() const {
if (r_scattered)
return (1 << 31) | (r_pcrel << 30) | ((r_length & 3) << 28) |
((r_type & 15) << 24) | (r_address & 0x00FFFFFF);
else
return (r_symbolnum << 8) | (r_pcrel << 7) | ((r_length & 3) << 5) |
(r_extern << 4) | (r_type & 15);
}
uint32_t getAddress() const { return r_scattered ? r_value : r_address; }
uint32_t getRawAddress() const { return r_address; }
MachORelocation(uint32_t addr, uint32_t index, bool pcrel, uint8_t len,
bool ext, uint8_t type, bool scattered = false,
int32_t value = 0) :
r_address(addr), r_symbolnum(index), r_pcrel(pcrel), r_length(len),
r_extern(ext), r_type(type), r_scattered(scattered), r_value(value) {}
};
} // end llvm namespace
#endif // LLVM_CODEGEN_MACHORELOCATION_H
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