diff options
Diffstat (limited to 'include/linux/elf.h')
| -rw-r--r-- | include/linux/elf.h | 164 |
1 files changed, 156 insertions, 8 deletions
diff --git a/include/linux/elf.h b/include/linux/elf.h index 52dedbda4..3487041ba 100644 --- a/include/linux/elf.h +++ b/include/linux/elf.h @@ -1,6 +1,8 @@ #ifndef _LINUX_ELF_H #define _LINUX_ELF_H +#include <asm/elf.h> + typedef unsigned long Elf32_Addr; typedef unsigned short Elf32_Half; typedef unsigned long Elf32_Off; @@ -54,6 +56,25 @@ typedef unsigned long Elf32_Word; #define EM_SPARC64 11 /* SPARC v9 (not official) 64-bit */ #define EM_PARISC 15 +#define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ + +#define EM_MIPS_RS4_BE 10 /* MIPS R4000 big-endian */ + +#define EM_SPARC64 11 /* SPARC v9 (not official) 64-bit */ + +#define EM_PARISC 15 /* HPPA */ + +#define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ + +#define EM_PPC 20 /* PowerPC */ + +/* + * This is an interim value that we will use until the committee comes + * up with a final number. + */ +#define EM_ALPHA 0x9026 + + /* This is the info that is needed to parse the dynamic section of the file */ #define DT_NULL 0 #define DT_NEEDED 1 @@ -115,6 +136,23 @@ typedef unsigned long Elf32_Word; #define ELF32_ST_BIND(x) ((x) >> 4) #define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf) +/* Symbolic values for the entries in the auxiliary table + put on the initial stack */ +#define AT_NULL 0 /* end of vector */ +#define AT_IGNORE 1 /* entry should be ignored */ +#define AT_EXECFD 2 /* file descriptor of program */ +#define AT_PHDR 3 /* program headers for program */ +#define AT_PHENT 4 /* size of program header entry */ +#define AT_PHNUM 5 /* number of program headers */ +#define AT_PAGESZ 6 /* system page size */ +#define AT_BASE 7 /* base address of interpreter */ +#define AT_FLAGS 8 /* flags */ +#define AT_ENTRY 9 /* entry point of program */ +#define AT_NOTELF 10 /* program is not ELF */ +#define AT_UID 11 /* real uid */ +#define AT_EUID 12 /* effective uid */ +#define AT_GID 13 /* real gid */ +#define AT_EGID 14 /* effective gid */ typedef struct dynamic{ @@ -125,7 +163,13 @@ typedef struct dynamic{ } d_un; } Elf32_Dyn; -extern Elf32_Dyn _DYNAMIC []; +typedef struct { + unsigned long long d_tag; /* entry tag value */ + union { + unsigned long long d_val; + unsigned long long d_ptr; + } d_un; +} Elf64_Dyn; /* The following are used with relocations */ #define ELF32_R_SYM(x) ((x) >> 8) @@ -168,28 +212,53 @@ extern Elf32_Dyn _DYNAMIC []; #define R_MIPS_GOT_DISP 19 #define R_MIPS_GOT_PAGE 20 #define R_MIPS_GOT_OFST 21 -#define R_MIPS_GOT_HI16 22 -#define R_MIPS_GOT_LO16 23 +/* + * The following two relocation types are specified in the the MIPS ABI + * conformance guide version 1.2 but not yet in the psABI. + */ +#define R_MIPS_GOTHI16 22 +#define R_MIPS_GOTLO16 23 #define R_MIPS_SUB 24 #define R_MIPS_INSERT_A 25 #define R_MIPS_INSERT_B 26 #define R_MIPS_DELETE 27 #define R_MIPS_HIGHER 28 #define R_MIPS_HIGHEST 29 -#define R_MIPS_CALL_HI16 30 -#define R_MIPS_CALL_LO16 31 +/* + * The following two relocation types are specified in the the MIPS ABI + * conformance guide version 1.2 but not yet in the psABI. + */ +#define R_MIPS_CALLHI16 30 +#define R_MIPS_CALLLO16 31 +/* + * This range is reserved for vendor specific relocations. + */ +#define R_MIPS_LOVENDOR 100 +#define R_MIPS_HIVENDOR 127 + typedef struct elf32_rel { Elf32_Addr r_offset; Elf32_Word r_info; } Elf32_Rel; +typedef struct elf64_rel { + unsigned long long r_offset; /* Location at which to apply the action */ + unsigned long long r_info; /* index and type of relocation */ +} Elf64_Rel; + typedef struct elf32_rela{ Elf32_Addr r_offset; Elf32_Word r_info; Elf32_Sword r_addend; } Elf32_Rela; +typedef struct elf64_rela { + unsigned long long r_offset; /* Location at which to apply the action */ + unsigned long long r_info; /* index and type of relocation */ + unsigned long long r_addend; /* Constant addend used to compute value */ +} Elf64_Rela; + typedef struct elf32_sym{ Elf32_Word st_name; Elf32_Addr st_value; @@ -199,10 +268,19 @@ typedef struct elf32_sym{ Elf32_Half st_shndx; } Elf32_Sym; +typedef struct elf64_sym { + unsigned int st_name; /* Symbol name, index in string tbl */ + unsigned char st_info; /* Type and binding attributes */ + unsigned char st_other; /* No defined meaning, 0 */ + unsigned short st_shndx; /* Associated section index */ + unsigned long long st_value; /* Value of the symbol */ + unsigned long long st_size; /* Associated symbol size */ +} Elf64_Sym; + #define EI_NIDENT 16 -typedef struct elfhdr{ +typedef struct elf32_hdr{ unsigned char e_ident[EI_NIDENT]; Elf32_Half e_type; Elf32_Half e_machine; @@ -219,13 +297,30 @@ typedef struct elfhdr{ Elf32_Half e_shstrndx; } Elf32_Ehdr; +typedef struct elf64_hdr { + unsigned char e_ident[16]; /* ELF "magic number" */ + short int e_type; + short unsigned int e_machine; + int e_version; + unsigned long long e_entry; /* Entry point virtual address */ + unsigned long long e_phoff; /* Program header table file offset */ + unsigned long long e_shoff; /* Section header table file offset */ + int e_flags; + short int e_ehsize; + short int e_phentsize; + short int e_phnum; + short int e_shentsize; + short int e_shnum; + short int e_shstrndx; +} Elf64_Ehdr; + /* These constants define the permissions on sections in the program header, p_flags. */ #define PF_R 0x4 #define PF_W 0x2 #define PF_X 0x1 -typedef struct elf_phdr{ +typedef struct elf32_phdr{ Elf32_Word p_type; Elf32_Off p_offset; Elf32_Addr p_vaddr; @@ -236,6 +331,17 @@ typedef struct elf_phdr{ Elf32_Word p_align; } Elf32_Phdr; +typedef struct elf64_phdr { + int p_type; + int p_flags; + unsigned long long p_offset; /* Segment file offset */ + unsigned long long p_vaddr; /* Segment virtual address */ + unsigned long long p_paddr; /* Segment physical address */ + unsigned long long p_filesz; /* Segment size in file */ + unsigned long long p_memsz; /* Segment size in memory */ + unsigned long long p_align; /* Segment alignment, file & memory */ +} Elf64_Phdr; + /* sh_type */ #define SHT_NULL 0 #define SHT_PROGBITS 1 @@ -289,6 +395,19 @@ typedef struct { Elf32_Word sh_entsize; } Elf32_Shdr; +typedef struct elf64_shdr { + unsigned int sh_name; /* Section name, index in string tbl */ + unsigned int sh_type; /* Type of section */ + unsigned long long sh_flags; /* Miscellaneous section attributes */ + unsigned long long sh_addr; /* Section virtual addr at execution */ + unsigned long long sh_offset; /* Section file offset */ + unsigned long long sh_size; /* Size of section in bytes */ + unsigned int sh_link; /* Index of another section */ + unsigned int sh_info; /* Additional section information */ + unsigned long long sh_addralign; /* Section alignment */ + unsigned long long sh_entsize; /* Entry size if section holds table */ +} Elf64_Shdr; + #define EI_MAG0 0 /* e_ident[] indexes */ #define EI_MAG1 1 #define EI_MAG2 2 @@ -325,12 +444,41 @@ typedef struct { #define NT_TASKSTRUCT 4 /* Note header in a PT_NOTE section */ -typedef struct elf_note { +typedef struct elf32_note { Elf32_Word n_namesz; /* Name size */ Elf32_Word n_descsz; /* Content size */ Elf32_Word n_type; /* Content type */ } Elf32_Nhdr; +/* Note header in a PT_NOTE section */ +/* + * For now we use the 32 bit version of the structure until we figure + * out whether we need anything better. Note - on the Alpha, "unsigned int" + * is only 32 bits. + */ +typedef struct elf64_note { + unsigned int n_namesz; /* Name size */ + unsigned int n_descsz; /* Content size */ + unsigned int n_type; /* Content type */ +} Elf64_Nhdr; + #define ELF_START_MMAP 0x80000000 +#if ELF_CLASS == ELFCLASS32 + +extern Elf32_Dyn _DYNAMIC []; +#define elfhdr elf32_hdr +#define elf_phdr elf32_phdr +#define elf_note elf32_note + +#else + +extern Elf64_Dyn _DYNAMIC []; +#define elfhdr elf64_hdr +#define elf_phdr elf64_phdr +#define elf_note elf64_note + +#endif + + #endif /* _LINUX_ELF_H */ |