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libdwarf-code-0.11.1/src/lib/libdwarf/dwarf_elfread.h  view on Meta::CPAN

        of integers. [0] is the version, which
        can only be one(1) . */
    Dwarf_Unsigned * gh_sht_group_array;
    /*  Number of elements in the gh_sht_group_array. */
    Dwarf_Unsigned   gh_sht_group_array_count;

    /*   TRUE if .debug_info .eh_frame etc. */
    char  gh_is_dwarf;
};

struct generic_dynentry {
    Dwarf_Unsigned  gd_tag;
    /*  gd_val stands in for d_ptr and d_val union,
        the union adds nothing in practice since
        we expect ptrsize <= ulongest. */
    Dwarf_Unsigned  gd_val;
    Dwarf_Unsigned  gd_dyn_file_offset;
};

struct generic_symentry {
    Dwarf_Unsigned gs_name;
    Dwarf_Unsigned gs_value;
    Dwarf_Unsigned gs_size;
    Dwarf_Unsigned gs_info;
    Dwarf_Unsigned gs_other;
    Dwarf_Unsigned gs_shndx;
    /* derived */
    Dwarf_Unsigned gs_bind;
    Dwarf_Unsigned gs_type;
};

struct location {
    const char *g_name;
    Dwarf_Unsigned g_offset;
    Dwarf_Unsigned g_count;
    Dwarf_Unsigned g_entrysize;
    Dwarf_Unsigned g_totalsize;
};

typedef struct elf_filedata_s {
    /*  f_ident[0] == 'E' means it is elf and
        elf_filedata_s is the struct involved.
        Other means error/corruption of some kind.
        f_ident[1] is a version number.
        Only version 1 is defined. */
    char           f_ident[8];
    char *         f_path; /* non-null if known. Must be freed */
    int            f_fd;
    unsigned       f_machine; /* EM_* */
    int            f_destruct_close_fd;
    int            f_is_64bit;
    unsigned       f_endian;
    Dwarf_Unsigned f_filesize;
    Dwarf_Unsigned f_flags;
    /* Elf size, not DWARF. 32 or 64 */
    Dwarf_Small    f_offsetsize;
    Dwarf_Small    f_pointersize;
    int            f_ftype;
    int            f_path_source;

    Dwarf_Unsigned f_max_secdata_offset;
    Dwarf_Unsigned f_max_progdata_offset;

    void (*f_copy_word) (void *, const void *, unsigned long);

    struct location      f_loc_ehdr;
    struct generic_ehdr* f_ehdr;

    struct location      f_loc_shdr;
    struct generic_shdr* f_shdr;

    struct location      f_loc_phdr;
    struct generic_phdr* f_phdr;

    char *f_elf_shstrings_data; /* section name strings */
    /* length of currentsection.  Might be zero..*/
    Dwarf_Unsigned  f_elf_shstrings_length;
    /* size of malloc-d space */
    Dwarf_Unsigned  f_elf_shstrings_max;

    /* This is the .dynamic section */
    struct location      f_loc_dynamic;
    struct generic_dynentry * f_dynamic;
    Dwarf_Unsigned f_dynamic_sect_index;

    /* .dynsym, .dynstr */
    struct location      f_loc_dynsym;
    struct generic_symentry* f_dynsym;
    char  *f_dynsym_sect_strings;
    Dwarf_Unsigned f_dynsym_sect_strings_max;
    Dwarf_Unsigned f_dynsym_sect_strings_sect_index;
    Dwarf_Unsigned f_dynsym_sect_index;

    /* .symtab .strtab */
    struct location      f_loc_symtab;
    struct generic_symentry* f_symtab;
    char * f_symtab_sect_strings;
    Dwarf_Unsigned f_symtab_sect_strings_max;
    Dwarf_Unsigned f_symtab_sect_strings_sect_index;
    Dwarf_Unsigned f_symtab_sect_index;

    /* Starts at 3. 0,1,2 used specially. */
    Dwarf_Unsigned f_sg_next_group_number;
    /*  Both the following will be zero unless there
        are explicit Elf groups. */
    Dwarf_Unsigned f_sht_group_type_section_count;
    Dwarf_Unsigned f_shf_group_flag_section_count;
    Dwarf_Unsigned f_dwo_group_section_count;
} dwarf_elf_object_access_internals_t;

int dwarf_construct_elf_access(int fd,
    const char *path,
    dwarf_elf_object_access_internals_t **ep,int *errcode);
int dwarf_destruct_elf_access(
    dwarf_elf_object_access_internals_t *ep,int *errcode);
int _dwarf_load_elf_header(
    dwarf_elf_object_access_internals_t *ep,int *errcode);
int _dwarf_load_elf_sectheaders(
    dwarf_elf_object_access_internals_t* ep,int *errcode);
int _dwarf_load_elf_symtab_symbols(
    dwarf_elf_object_access_internals_t *ep,int *errcode);