Initial checkin of lldb code from internal Apple repo.
llvm-svn: 105619
diff --git a/lldb/source/Plugins/ObjectFile/ELF/elf.h b/lldb/source/Plugins/ObjectFile/ELF/elf.h
new file mode 100644
index 0000000..9d08119
--- /dev/null
+++ b/lldb/source/Plugins/ObjectFile/ELF/elf.h
@@ -0,0 +1,240 @@
+//===-- elf.h ---------------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __elf_h__
+#define __elf_h__
+
+typedef uint16_t Elf32_Half;
+typedef uint32_t Elf32_Word;
+typedef int32_t Elf32_Sword;
+typedef uint32_t Elf32_Addr;
+typedef uint32_t Elf32_Off;
+
+
+#define EI_NIDENT 16
+
+//----------------------------------------------------------------------
+// ELF Header
+//----------------------------------------------------------------------
+typedef struct Elf32_Ehdr_Tag
+{
+ unsigned char e_ident[EI_NIDENT];
+ Elf32_Half e_type;
+ Elf32_Half e_machine;
+ Elf32_Word e_version;
+ Elf32_Addr e_entry;
+ Elf32_Off e_phoff;
+ Elf32_Off e_shoff;
+ Elf32_Word e_flags;
+ Elf32_Half e_ehsize;
+ Elf32_Half e_phentsize;
+ Elf32_Half e_phnum;
+ Elf32_Half e_shentsize;
+ Elf32_Half e_shnum;
+ Elf32_Half e_shstrndx;
+} Elf32_Ehdr;
+
+//----------------------------------------------------------------------
+// e_type
+//
+// This member identifies the object file type.
+//----------------------------------------------------------------------
+#define ET_NONE 0 // No file type
+#define ET_REL 1 // Relocatable file
+#define ET_EXEC 2 // Executable file
+#define ET_DYN 3 // Shared object file
+#define ET_CORE 4 // Core file
+#define ET_LOPROC 0xff00 // Processor-specific
+#define ET_HIPROC 0xffff // Processor-specific
+
+//----------------------------------------------------------------------
+// e_machine
+//
+// Machine Type
+//----------------------------------------------------------------------
+#define EM_NONE 0 // No machine
+#define EM_M32 1 // AT&T WE 32100
+#define EM_SPARC 2 // SPARC
+#define EM_386 3 // Intel 80386
+#define EM_68K 4 // Motorola 68000
+#define EM_88K 5 // Motorola 88000
+#define EM_860 7 // Intel 80860
+#define EM_MIPS 8 // MIPS RS3000
+#define EM_PPC 20 // PowerPC
+#define EM_PPC64 21 // PowerPC64
+#define EM_ARM 40 // ARM
+
+
+//----------------------------------------------------------------------
+// e_ident indexes
+//----------------------------------------------------------------------
+#define EI_MAG0 0 // File identification
+#define EI_MAG1 1 // File identification
+#define EI_MAG2 2 // File identification
+#define EI_MAG3 3 // File identification
+#define EI_CLASS 4 // File class
+#define EI_DATA 5 // Data encoding
+#define EI_VERSION 6 // File version
+#define EI_PAD 7 // Start of padding bytes
+
+
+//----------------------------------------------------------------------
+// EI_DATA definitions
+//----------------------------------------------------------------------
+#define ELFDATANONE 0 // Invalid data encoding
+#define ELFDATA2LSB 1 // Little Endian
+#define ELFDATA2MSB 2 // Big Endian
+
+//----------------------------------------------------------------------
+// Section Header
+//----------------------------------------------------------------------
+typedef struct Elf32_Shdr_Tag
+{
+ Elf32_Word sh_name;
+ Elf32_Word sh_type;
+ Elf32_Word sh_flags;
+ Elf32_Addr sh_addr;
+ Elf32_Off sh_offset;
+ Elf32_Word sh_size;
+ Elf32_Word sh_link;
+ Elf32_Word sh_info;
+ Elf32_Word sh_addralign;
+ Elf32_Word sh_entsize;
+} Elf32_Shdr;
+
+//----------------------------------------------------------------------
+// Section Types (sh_type)
+//----------------------------------------------------------------------
+#define SHT_NULL 0
+#define SHT_PROGBITS 1
+#define SHT_SYMTAB 2
+#define SHT_STRTAB 3
+#define SHT_RELA 4
+#define SHT_HASH 5
+#define SHT_DYNAMIC 6
+#define SHT_NOTE 7
+#define SHT_NOBITS 8
+#define SHT_REL 9
+#define SHT_SHLIB 10
+#define SHT_DYNSYM 11
+#define SHT_LOPROC 0x70000000
+#define SHT_HIPROC 0x7fffffff
+#define SHT_LOUSER 0x80000000
+#define SHT_HIUSER 0xffffffff
+
+//----------------------------------------------------------------------
+// Special Section Indexes
+//----------------------------------------------------------------------
+#define SHN_UNDEF 0
+#define SHN_LORESERVE 0xff00
+#define SHN_LOPROC 0xff00
+#define SHN_HIPROC 0xff1f
+#define SHN_ABS 0xfff1
+#define SHN_COMMON 0xfff2
+#define SHN_HIRESERVE 0xffff
+
+//----------------------------------------------------------------------
+// Section Attribute Flags (sh_flags)
+//----------------------------------------------------------------------
+#define SHF_WRITE 0x1
+#define SHF_ALLOC 0x2
+#define SHF_EXECINSTR 0x4
+#define SHF_MASKPROC 0xf0000000
+
+
+//----------------------------------------------------------------------
+// Symbol Table Entry Header
+//----------------------------------------------------------------------
+typedef struct Elf32_Sym_Tag
+{
+ Elf32_Word st_name;
+ Elf32_Addr st_value;
+ Elf32_Word st_size;
+ unsigned char st_info;
+ unsigned char st_other;
+ Elf32_Half st_shndx;
+} Elf32_Sym;
+
+
+#define ELF32_ST_BIND(i) ((i)>>4)
+#define ELF32_ST_TYPE(i) ((i)&0xf)
+#define ELF32_ST_INFO(b,t) (((b)<<4)+((t)&0xf))
+
+// ST_BIND
+#define STB_LOCAL 0
+#define STB_GLOBAL 1
+#define STB_WEAK 2
+#define STB_LOPROC 13
+#define STB_HIPROC 15
+
+// ST_TYPE
+#define STT_NOTYPE 0
+#define STT_OBJECT 1
+#define STT_FUNC 2
+#define STT_SECTION 3
+#define STT_FILE 4
+#define STT_LOPROC 13
+#define STT_HIPROC 15
+
+
+//----------------------------------------------------------------------
+// Relocation Entries
+//----------------------------------------------------------------------
+typedef struct Elf32_Rel_Tag
+{
+ Elf32_Addr r_offset;
+ Elf32_Word r_info;
+} Elf32_Rel;
+
+typedef struct Elf32_Rela_Tag
+{
+ Elf32_Addr r_offset;
+ Elf32_Word r_info;
+ Elf32_Sword r_addend;
+} Elf32_Rela;
+
+#define ELF32_R_SYM(i) ((i)>>8)
+#define ELF32_R_TYPE(i) ((unsignedchar)(i))
+#define ELF32_R_INFO(s,t) (((s)<<8)+(unsignedchar)(t))
+
+
+//----------------------------------------------------------------------
+// Program Headers
+//----------------------------------------------------------------------
+typedef struct Elf32_Phdr_Tag
+{
+ Elf32_Word p_type;
+ Elf32_Off p_offset;
+ Elf32_Addr p_vaddr;
+ Elf32_Addr p_paddr;
+ Elf32_Word p_filesz;
+ Elf32_Word p_memsz;
+ Elf32_Word p_flags;
+ Elf32_Word p_align;
+} Elf32_Phdr;
+
+//----------------------------------------------------------------------
+// Program Header Type (p_type)
+//----------------------------------------------------------------------
+#define PT_NULL 0
+#define PT_LOAD 1
+#define PT_DYNAMIC 2
+#define PT_INTERP 3
+#define PT_NOTE 4
+#define PT_SHLIB 5
+#define PT_PHDR 6
+#define PT_LOPROC 0x70000000
+#define PT_HIPROC 0x7fffffff
+
+#define PF_X (1 << 0) // executable
+#define PF_W (1 << 1) // writable
+#define PF_R (1 << 2) // readable
+
+
+#endif // __elf_h__