restrict dyn_cast_or_null to pointer types, just like cast_or_null; re-commit of...

[oota-llvm.git] / include / llvm / Support / ELF.h

diff --git a/include/llvm/Support/ELF.h b/include/llvm/Support/ELF.h
index 070c04ddca4d5b8fae432f4d3c1aebb4c8f9c4c8..83478b75cbc4d4b504623ce9e49da5c8cb4fca79 100644 (file)
--- a/include/llvm/Support/ELF.h
+++ b/include/llvm/Support/ELF.h
@@ -216,6 +216,27 @@ enum {
   R_X86_64_TLSDESC    = 36
 };
 
+// i386 relocations.
+// TODO: this is just a subset
+enum {
+  R_386_NONE          = 0,
+  R_386_32            = 1,
+  R_386_PC32          = 2,
+  R_386_GOT32         = 3,
+  R_386_PLT32         = 4,
+  R_386_COPY          = 5,
+  R_386_GLOB_DAT      = 6,
+  R_386_JUMP_SLOT     = 7,
+  R_386_RELATIVE      = 8,
+  R_386_GOTOFF        = 9,
+  R_386_GOTPC         = 10,
+  R_386_32PLT         = 11,
+  R_386_16            = 20,
+  R_386_PC16          = 21,
+  R_386_8             = 22,
+  R_386_PC8           = 23
+};
+
 // Section header.
 struct Elf32_Shdr {
   Elf32_Word sh_name;      // Section name (index into string table)
@@ -257,22 +278,29 @@ enum {
 
 // Section types.
 enum {
-  SHT_NULL     = 0,  // No associated section (inactive entry).
-  SHT_PROGBITS = 1,  // Program-defined contents.
-  SHT_SYMTAB   = 2,  // Symbol table.
-  SHT_STRTAB   = 3,  // String table.
-  SHT_RELA     = 4,  // Relocation entries; explicit addends.
-  SHT_HASH     = 5,  // Symbol hash table.
-  SHT_DYNAMIC  = 6,  // Information for dynamic linking.
-  SHT_NOTE     = 7,  // Information about the file.
-  SHT_NOBITS   = 8,  // Data occupies no space in the file.
-  SHT_REL      = 9,  // Relocation entries; no explicit addends.
-  SHT_SHLIB    = 10, // Reserved.
-  SHT_DYNSYM   = 11, // Symbol table.
-  SHT_LOPROC   = 0x70000000, // Lowest processor architecture-specific type.
-  SHT_HIPROC   = 0x7fffffff, // Highest processor architecture-specific type.
-  SHT_LOUSER   = 0x80000000, // Lowest type reserved for applications.
-  SHT_HIUSER   = 0xffffffff  // Highest type reserved for applications.
+  SHT_NULL          = 0,  // No associated section (inactive entry).
+  SHT_PROGBITS      = 1,  // Program-defined contents.
+  SHT_SYMTAB        = 2,  // Symbol table.
+  SHT_STRTAB        = 3,  // String table.
+  SHT_RELA          = 4,  // Relocation entries; explicit addends.
+  SHT_HASH          = 5,  // Symbol hash table.
+  SHT_DYNAMIC       = 6,  // Information for dynamic linking.
+  SHT_NOTE          = 7,  // Information about the file.
+  SHT_NOBITS        = 8,  // Data occupies no space in the file.
+  SHT_REL           = 9,  // Relocation entries; no explicit addends.
+  SHT_SHLIB         = 10, // Reserved.
+  SHT_DYNSYM        = 11, // Symbol table.
+  SHT_INIT_ARRAY    = 14, // Pointers to initialisation functions.
+  SHT_FINI_ARRAY    = 15, // Pointers to termination functions.
+  SHT_PREINIT_ARRAY = 16, // Pointers to pre-init functions.
+  SHT_GROUP         = 17, // Section group.
+  SHT_SYMTAB_SHNDX  = 18, // Indicies for SHN_XINDEX entries.
+  SHT_LOOS          = 0x60000000, // Lowest operating system-specific type.
+  SHT_HIOS          = 0x6fffffff, // Highest operating system-specific type.
+  SHT_LOPROC        = 0x70000000, // Lowest processor architecture-specific type.
+  SHT_HIPROC        = 0x7fffffff, // Highest processor architecture-specific type.
+  SHT_LOUSER        = 0x80000000, // Lowest type reserved for applications.
+  SHT_HIUSER        = 0xffffffff  // Highest type reserved for applications.
 };
 
 // Section flags.
@@ -323,6 +351,12 @@ struct Elf64_Sym {
   }
 };
 
+// The size (in bytes) of symbol table entries.
+enum {
+  SYMENTRY_SIZE32 = 16, // 32-bit symbol entry size
+  SYMENTRY_SIZE64 = 24  // 64-bit symbol entry size.
+};
+
 // Symbol bindings.
 enum {
   STB_LOCAL = 0,   // Local symbol, not visible outside obj file containing def