WebSVN – HelenOS-historic – Diff – /kernel/trunk/generic/include/elf32.h

 /*
  * Copyright (C) 2006 Sergey Bondari
  * All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
+ *
  * - Redistributions of source code must retain the above copyright
  *   notice, this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright
  *   notice, this list of conditions and the following disclaimer in the
  *   documentation and/or other materials provided with the distribution.
  * - The name of the author may not be used to endorse or promote products
  *   derived from this software without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifndef __ELF32_H__
 #define __ELF32_H__
 #include <arch/types.h>
 #include <mm/as.h>
 /**
  * current ELF version
  */
 #define EV_CURRENT  1
 /**
  * ELF types
  */
 #define ET_NONE     0   // No type
 #define ET_REL      1   // Relocatable file
 #define ET_EXEC     2   // Executable
 #define ET_DYN      3   // Shared object
 #define ET_CORE     4   // Core
 #define ET_LOPROC   0xff00  // Processor specific
 #define ET_HIPROC   0xffff  // Processor specific
 /**
  * ELF machine types
  */
 #define EM_NO       0   // No machine
 #define EM_M32      1   // AT&T WE 32100
 #define EM_SPARC    2   // SPARC
 #define EM_386      3   // i386
 #define EM_68K      4   // Motorola 68000
 #define EM_88K      5   // Motorola 88000
 #define EM_860      7   // i80860
 #define EM_MIPS     8   // MIPS RS3000
 /**
  * ELF identification indexes
  */
 #define EI_MAG0     0
 #define EI_MAG1     1
 #define EI_MAG2     2
 #define EI_MAG3     3
 #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
 #define EI_NIDENT   16  // ELF identification table size
 /**
  * ELF magic number
  */
 #define ELFMAG0     0x7f
 #define ELFMAG1     'E'
 #define ELFMAG2     'L'
 #define ELFMAG3     'F'
 /**
  * ELF file classes
  */
 #define ELFCLASSNONE    0
 #define ELFCLASS32  1
 #define ELFCLASS64  2
 /**
  * ELF data encoding types
  */
 #define ELFDATANONE 0
 #define ELFDATA2LSB 1   // Least significant byte first (little endian)
 #define ELFDATA2MSB 2   // Most signigicant byte first (Big endian)
 /**
  * ELF error return codes
  */
 #define EE_OK           0   // No error
 #define EE_INVALID      1   // invalid ELF image
 #define EE_MEMORY       2   // cannot allocate address space
 #define EE_INCOMPATIBLE     3   // ELF image is not compatible with current architecture
 #define EE_UNSUPPORTED      4   // Non-supported ELF (e.g. dynamic ELFs)
 /**
  * ELF section types
  */
 #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
 /**
  * ELF section flags
  */
 #define SHF_WRITE       0x1
 #define SHF_ALLOC       0x2
 #define SHF_EXECINSTR       0x4
 #define SHF_MASKPROC        0xf0000000
+/**
+ * Symbol binding
+ */
+#define STB_LOCAL       0
+#define STB_GLOBAL      1
+#define STB_WEAK        2
+#define STB_LOPROC      13
+#define STB_HIPROC      15
+/**
+ * Symbol types
+ */
+#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
+/**
+ * Program segment types
+ */
+#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
 /**
  * 32-bit ELF data types
  */
 typedef __u32 elf32_addr;
 typedef __u16 elf32_half;
 typedef __u32 elf32_off;
 typedef int elf32_sword;
 typedef __u32 elf32_word;
 /**
  * 32-bit ELF header
  */
 struct elf32_header {
     __u8 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;
 };
 /*
  * 32-bit ELF section header
  */
 struct elf32_section_header {
     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;
 };
+/*
+ * 32-bit ELF symbol table entry
+ */
+struct elf32_symbol {
+    elf32_word st_name;
+    elf32_addr st_value;
+    elf32_word st_size;
+    __u8 st_info;
+    __u8 st_other;
+    elf32_half st_shndx;
+};
+/*
+ * 32-bit ELF program header
+ */
+struct elf32_program_header {
+    elf32_word p_type;
+    elf32_off p_offset;
+    elf32_addr pv_addr;
+    elf32_addr pp_addr;
+    elf32_word p_filesz;
+    elf32_word p_memsz;
+    elf32_word p_flags;
+    elf32_word p_align;
+};
 typedef struct elf32_header elf32_header_t;
 typedef struct elf32_section_header elf32_section_header_t;
+typedef struct elf32_symbol elf32_symbol_t;
+typedef struct elf32_program_header elf32_program_header_t;
 extern int elf32_load(__address header, as_t * as);
 #endif

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/generic/include/elf32.h – Rev 856 → 909