/* This file defines standard ELF types, structures, and macros.
Copyright (C) 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Ian Lance Taylor <ian@cygnus.com>.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public License as
#define ET_DYN 3 /* Shared object file */
#define ET_CORE 4 /* Core file */
#define ET_NUM 5 /* Number of defined types */
-#define ET_LOPROC 0xff00 /* Processor-specific */
-#define ET_HIPROC 0xffff /* Processor-specific */
+#define ET_LOOS 0xfe00 /* OS-specific range start */
+#define ET_HIOS 0xfeff /* OS-specific range end */
+#define ET_LOPROC 0xff00 /* Processor-specific range start */
+#define ET_HIPROC 0xffff /* Processor-specific range end */
/* Legal values for e_machine (architecture). */
#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */
#define EM_960 19 /* Intel 80960 */
#define EM_PPC 20 /* PowerPC */
+#define EM_PPC64 21 /* PowerPC 64-bit */
#define EM_V800 36 /* NEC V800 series */
#define EM_FR20 37 /* Fujitsu FR20 */
#define EM_RH32 38 /* TRW RH32 */
-#define EM_MMA 39 /* Fujitsu MMA */
+#define EM_RCE 39 /* Motorola RCE */
#define EM_ARM 40 /* ARM */
#define EM_FAKE_ALPHA 41 /* Digital Alpha */
#define EM_SH 42 /* Hitachi SH */
#define EM_MIPS_X 51 /* Stanford MIPS-X */
#define EM_COLDFIRE 52 /* Motorola Coldfire */
#define EM_68HC12 53 /* Motorola M68HC12 */
-#define EM_NUM 54
+#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator*/
+#define EM_PCP 55 /* Siemens PCP */
+#define EM_NCPU 56 /* Sony nCPU embeeded RISC */
+#define EM_NDR1 57 /* Denso NDR1 microprocessor */
+#define EM_STARCORE 58 /* Motorola Start*Core processor */
+#define EM_ME16 59 /* Toyota ME16 processor */
+#define EM_ST100 60 /* STMicroelectronic ST100 processor */
+#define EM_TINYJ 61 /* Advanced Logic Corp. Tinyj emb.fam*/
+#define EM_FX66 66 /* Siemens FX66 microcontroller */
+#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 mc */
+#define EM_ST7 68 /* STmicroelectronics ST7 8 bit mc */
+#define EM_68HC16 69 /* Motorola MC68HC16 microcontroller */
+#define EM_68HC11 70 /* Motorola MC68HC11 microcontroller */
+#define EM_68HC08 71 /* Motorola MC68HC08 microcontroller */
+#define EM_68HC05 72 /* Motorola MC68HC05 microcontroller */
+#define EM_SVX 73 /* Silicon Graphics SVx */
+#define EM_AT19 74 /* STMicroelectronics ST19 8 bit mc */
+#define EM_NUM 75
/* If it is necessary to assign new unofficial EM_* values, please
pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
#define SHN_LORESERVE 0xff00 /* Start of reserved indices */
#define SHN_LOPROC 0xff00 /* Start of processor-specific */
#define SHN_HIPROC 0xff1f /* End of processor-specific */
+#define SHN_LOOS 0xff20 /* Start of OS-specific */
+#define SHN_HIOS 0xff3f /* End of OS-specific */
#define SHN_ABS 0xfff1 /* Associated symbol is absolute */
#define SHN_COMMON 0xfff2 /* Associated symbol is common */
#define SHN_HIRESERVE 0xffff /* End of reserved indices */
/* Legal values for sh_type (section type). */
-#define SHT_NULL 0 /* Section header table entry unused */
-#define SHT_PROGBITS 1 /* Program data */
-#define SHT_SYMTAB 2 /* Symbol table */
-#define SHT_STRTAB 3 /* String table */
-#define SHT_RELA 4 /* Relocation entries with addends */
-#define SHT_HASH 5 /* Symbol hash table */
-#define SHT_DYNAMIC 6 /* Dynamic linking information */
-#define SHT_NOTE 7 /* Notes */
-#define SHT_NOBITS 8 /* Program space with no data (bss) */
-#define SHT_REL 9 /* Relocation entries, no addends */
-#define SHT_SHLIB 10 /* Reserved */
-#define SHT_DYNSYM 11 /* Dynamic linker symbol table */
-#define SHT_NUM 12 /* Number of defined types. */
-#define SHT_LOOS 0x60000000 /* Start OS-specific */
-#define SHT_LOSUNW 0x6ffffffb /* Sun-specific low bound. */
-#define SHT_SUNW_COMDAT 0x6ffffffb
-#define SHT_SUNW_syminfo 0x6ffffffc
-#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
-#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
-#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
-#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
-#define SHT_HIOS 0x6fffffff /* End OS-specific type */
-#define SHT_LOPROC 0x70000000 /* Start of processor-specific */
-#define SHT_HIPROC 0x7fffffff /* End of processor-specific */
-#define SHT_LOUSER 0x80000000 /* Start of application-specific */
-#define SHT_HIUSER 0x8fffffff /* End of application-specific */
+#define SHT_NULL 0 /* Section header table entry unused */
+#define SHT_PROGBITS 1 /* Program data */
+#define SHT_SYMTAB 2 /* Symbol table */
+#define SHT_STRTAB 3 /* String table */
+#define SHT_RELA 4 /* Relocation entries with addends */
+#define SHT_HASH 5 /* Symbol hash table */
+#define SHT_DYNAMIC 6 /* Dynamic linking information */
+#define SHT_NOTE 7 /* Notes */
+#define SHT_NOBITS 8 /* Program space with no data (bss) */
+#define SHT_REL 9 /* Relocation entries, no addends */
+#define SHT_SHLIB 10 /* Reserved */
+#define SHT_DYNSYM 11 /* Dynamic linker symbol table */
+#define SHT_INIT_ARRAY 13 /* Array of constructors */
+#define SHT_FINI_ARRAY 14 /* Array of destructors */
+#define SHT_PREINIT_ARRAY 15 /* Array of pre-constructors */
+#define SHT_NUM 16 /* Number of defined types. */
+#define SHT_LOOS 0x60000000 /* Start OS-specific */
+#define SHT_LOSUNW 0x6ffffffb /* Sun-specific low bound. */
+#define SHT_SUNW_COMDAT 0x6ffffffb
+#define SHT_SUNW_syminfo 0x6ffffffc
+#define SHT_GNU_verdef 0x6ffffffd /* Version definition section. */
+#define SHT_GNU_verneed 0x6ffffffe /* Version needs section. */
+#define SHT_GNU_versym 0x6fffffff /* Version symbol table. */
+#define SHT_HISUNW 0x6fffffff /* Sun-specific high bound. */
+#define SHT_HIOS 0x6fffffff /* End OS-specific type */
+#define SHT_LOPROC 0x70000000 /* Start of processor-specific */
+#define SHT_HIPROC 0x7fffffff /* End of processor-specific */
+#define SHT_LOUSER 0x80000000 /* Start of application-specific */
+#define SHT_HIUSER 0x8fffffff /* End of application-specific */
/* Legal values for sh_flags (section flags). */
#define SHF_WRITE (1 << 0) /* Writable */
#define SHF_ALLOC (1 << 1) /* Occupies memory during execution */
#define SHF_EXECINSTR (1 << 2) /* Executable */
+#define SHF_MERGE (1 << 4) /* Might be merged */
+#define SHF_STRINGS (1 << 5) /* Contains nul-terminated strings */
#define SHF_MASKPROC 0xf0000000 /* Processor-specific */
/* Symbol table entry. */
Elf32_Addr st_value; /* Symbol value */
Elf32_Word st_size; /* Symbol size */
unsigned char st_info; /* Symbol type and binding */
- unsigned char st_other; /* No defined meaning, 0 */
+ unsigned char st_other; /* Symbol visibility */
Elf32_Section st_shndx; /* Section index */
} Elf32_Sym;
{
Elf64_Word st_name; /* Symbol name (string tbl index) */
unsigned char st_info; /* Symbol type and binding */
- unsigned char st_other; /* No defined meaning, 0 */
+ unsigned char st_other; /* Symbol visibility */
Elf64_Section st_shndx; /* Section index */
Elf64_Addr st_value; /* Symbol value */
Elf64_Xword st_size; /* Symbol size */
#define STT_FUNC 2 /* Symbol is a code object */
#define STT_SECTION 3 /* Symbol associated with a section */
#define STT_FILE 4 /* Symbol's name is file name */
-#define STT_NUM 5 /* Number of defined types. */
-#define STT_LOOS 11 /* Start of OS-specific */
+#define STT_COMMON 5 /* Symbol is a common data object */
+#define STT_NUM 6 /* Number of defined types. */
+#define STT_LOOS 10 /* Start of OS-specific */
#define STT_HIOS 12 /* End of OS-specific */
#define STT_LOPROC 13 /* Start of processor-specific */
#define STT_HIPROC 15 /* End of processor-specific */
#define STN_UNDEF 0 /* End of a chain. */
+/* How to extract and insert information held in the st_other field. */
+
+#define ELF32_ST_VISIBILITY(o) ((o) & 0x03)
+#define ELF32_ST_OTHER(o) ((o) & 0x03)
+
+/* For ELF64 the definitions are the same. */
+#define ELF64_ST_VISIBILITY(o) ELF32_ST_VISIBILITY (o)
+#define ELF64_ST_OTHER(o) ELF32_ST_OTHER (o)
+
+/* Symbol visibility specification encoded in the st_other field. */
+#define STV_DEFAULT 0 /* Default symbol visibility rules */
+#define STV_INTERNAL 1 /* Processor specific hidden class */
+#define STV_HIDDEN 2 /* Sym unavailable in other modules */
+#define STV_PROTECTED 3 /* Not preemptible, not exported */
+
+
/* Relocation table entry without addend (in section of type SHT_REL). */
typedef struct
#define DT_INIT 12 /* Address of init function */
#define DT_FINI 13 /* Address of termination function */
#define DT_SONAME 14 /* Name of shared object */
-#define DT_RPATH 15 /* Library search path */
+#define DT_RPATH 15 /* Library search path (deprecated) */
#define DT_SYMBOLIC 16 /* Start symbol search here */
#define DT_REL 17 /* Address of Rel relocs */
#define DT_RELSZ 18 /* Total size of Rel relocs */
#define DT_FINI_ARRAY 26 /* Array with addresses of fini fct */
#define DT_INIT_ARRAYSZ 27 /* Size in bytes of DT_INIT_ARRAY */
#define DT_FINI_ARRAYSZ 28 /* Size in bytes of DT_FINI_ARRAY */
-#define DT_NUM 29 /* Number used */
+#define DT_RUNPATH 29 /* Library search path */
+#define DT_FLAGS 30 /* Flags for the object being loaded */
+#define DT_ENCODING 32 /* Start of encoded range */
+#define DT_PREINIT_ARRAY 32 /* Array with addresses of preinit fct*/
+#define DT_PREINIT_ARRAYSZ 33 /* size in bytes of DT_PREINIT_ARRAY */
+#define DT_NUM 34 /* Number used */
#define DT_LOOS 0x60000000 /* Start of OS-specific */
#define DT_HIOS 0x6fffffff /* End of OS-specific */
#define DT_LOPROC 0x70000000 /* Start of processor-specific */
#define DT_EXTRATAGIDX(tag) ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)
#define DT_EXTRANUM 3
+/* Values of `d_un.d_val' in the DT_FLAGS entry. */
+#define DF_ORIGIN 0x00000001 /* Object may use DF_ORIGIN */
+#define DF_SYMBOLIC 0x00000002 /* Symbol resolutions starts here */
+#define DF_TEXTREL 0x00000004 /* Object contains text relocations */
+#define DF_BIND_NOW 0x00000008 /* No lazy binding for this object */
+
/* State flags selectable in the `d_un.d_val' element of the DT_FLAGS_1
entry in the dynamic section. */
#define DF_1_NOW 0x00000001 /* Set RTLD_NOW for this object. */
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