Changes in directory llvm/include/llvm/CodeGen:
MachORelocation.h added (r1.1) --- Log message: New file for the MachORelocation structure. It doesn't have to be tied to the MachOWriter.h file. --- Diffs of the changes: (+54 -0) MachORelocation.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 54 insertions(+) Index: llvm/include/llvm/CodeGen/MachORelocation.h diff -c /dev/null llvm/include/llvm/CodeGen/MachORelocation.h:1.1 *** /dev/null Fri Feb 2 20:36:27 2007 --- llvm/include/llvm/CodeGen/MachORelocation.h Fri Feb 2 20:36:17 2007 *************** *** 0 **** --- 1,54 ---- + //=== MachORelocation.h - Mach-O Relocation Info ----------------*- C++ -*-===// + // + // The LLVM Compiler Infrastructure + // + // This file was developed by Bill Wendling and is distributed under the + // University of Illinois Open Source License. See LICENSE.TXT for details. + // + //===----------------------------------------------------------------------===// + // + // This file defines the MachORelocation class. + // + //===----------------------------------------------------------------------===// + + + #ifndef LLVM_CODEGEN_MACHO_RELOCATION_H + #define LLVM_CODEGEN_MACHO_RELOCATION_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_MACHO_RELOCATION_H _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits