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libedfmt-dwarf2.h

/*
** libedfmt-dwarf2.h for libedfmt (The Elf debug format library of ELFsh)
**
** Started on  Mon Dec 25 18:08:03 2006 mxatone
**
**
** $Id: libedfmt-dwarf2.h,v 1.14 2007-07-19 15:20:15 mxatone Exp $
**
*/

#ifndef __DWARF_2_H__
#define __DWARF_2_H__

#define DW2_MACRON_SIZE 50

/* Structures */
typedef struct    s_dw2sect
{
  elfshsect_t     *sect;
  void            *data;
  u_long    pos;  // Position
}           edfmtdw2sect_t; 

/* Every DWARF2 section is kept on this structure */
typedef struct    s_dw2sectlist
{
  edfmtdw2sect_t  info;
  edfmtdw2sect_t  abbrev;
  edfmtdw2sect_t  aranges;
  edfmtdw2sect_t  frame;
  edfmtdw2sect_t  line;
  edfmtdw2sect_t  macinfo;
  edfmtdw2sect_t  pubnames;
  edfmtdw2sect_t  str;
  edfmtdw2sect_t  loc;
}           edfmtdw2sectlist_t;

/* Forward declaration */
struct s_dw2abbent;
typedef struct s_dw2abbent edfmtdw2abbent_t;
struct s_dw2cu;
typedef struct s_dw2cu edfmtdw2cu_t;

/* Descripbe a location */
typedef struct    s_dw2loc
{
  u_int           op;
  eresi_Addr      value;
}           edfmtdw2loc_t;

/* Describe an abbrev attribute */
typedef struct    s_dw2abbattr
{
  u_int           attr;
  u_int           form;
  u_long    asize;
  u_long    infopos;

  /* Form value */
  union 
  {
    char    *vbuf;      /* DW_FORM_ref_addr, DW_FORM_addr, DW_FORM_block[1-4], DW_FORM_block */
    u_long  udata;      /* DW_FORM_udata, DW_FORM_data[1-4], DW_FORM_flag, DW_FORM_data8 
                     DW_FORM_ref[1-8], DW_FORM_ref_udata */
    long    sdata;      /* DW_FORM_sdata */
    char          *str; /* DW_FORM_string, DW_FORM_strp */
  } u;

  edfmtdw2loc_t   loc;  /* DW_AT_location */
}           edfmtdw2abbattr_t;

/* Describe an abbrev entitie */
struct            s_dw2abbent
{
  u_int           key;              /* Key that represent the element */
  char            ckey[EDFMT_CKEY_SIZE];  /* String representation for hash table */
  u_int           tag;              /* A type (sort of) of this element */
  u_char    children;         /* Do we have children ? */
  u_int           level;                  /* Children lvel */

#define DW2_MAX_ATTR 50
  edfmtdw2abbattr_t attr[DW2_MAX_ATTR];   /* List of attributes */
  u_int           attrsize;         /* Current attribute size */

  u_int     sib;              /* Next position */
  u_int     child;                  /* Child position */
};

/**
 * XXX: Use when it will be usefull 
 * Describe a macro 
 */
00093 typedef struct    s_dw2macro
{
  u_char    def;
  int       fileno;
  int       line;
  char            name[DW2_MACRON_SIZE];
  char            *str;

  struct s_dw2macro *next;
}           edfmtdw2macro_t;

/**
 * XXX: Use when it will be usefull 
 * A column description 
 */
00108 typedef struct    s_dw2cfareg
{
#define DW2_CFA_T_UNDEF   0
#define DW2_CFA_T_SAME    1
#define DW2_CFA_T_OFFSET  2
#define DW2_CFA_T_REG     3
#define DW2_CFA_T_ARCH    4
  int       type;
  union {
    eresi_Addr    offset;
    int           reg;
  } u;
}           edfmtdw2cfareg_t;

/**
 * XXX: Use when it will be usefull 
 * A givent state 
 */
00126 typedef struct    s_dw2cfastate
{
  eresi_Addr      addr;
  char            caddr[EDFMT_CADDR_SIZE];

  int             cfa_reg;
  eresi_Addr      cfa_offset;
  
#define DW2_CFA_MAX_REG 16
#define CFA_C_REG(_a) (DW2_CFA_MAX_REG > _a)
  edfmtdw2cfareg_t reg[DW2_CFA_MAX_REG];

  struct s_dw2cfastate *next;
}           edfmtdw2cfastate_t;

/**
 * XXX: Use when it will be usefull 
 * Cfa section header representation 
 */
00145 typedef struct    s_dw2cfahead 
{
  u_int           offset;
  u_int           init_offset;
  u_int           end_offset;
  u_int           length;
  u_int           cid;
  u_int           version;
  char            *augmentation;
  u_long    code_align_factor;
  long            data_align_factor;
  u_int           return_addr_reg;

  edfmtdw2cfastate_t init;
}           edfmtdw2cfahead_t;

/**
 * XXX: Use when it will be usefull 
 * Line section header representation 
 */
00165 typedef struct    s_dw2linehead
{
  /* Header informations */
  u_int           total_length;
  u_short   version;
  u_int           prologue_length;
  u_int           min_length_instr;
  u_int           default_stmt;
  int       line_base;
  u_int           line_range;
  u_int           opcode_base;
  char            *std_opcode_length;

  char            **dirs;
  char            **files_name;
  u_int           *files_dindex;
  u_int           *files_time;
  u_int           *files_len;

  u_int           dirs_number;
  u_int           files_number;

  /* Deducted positions */
  u_long    end_pos;
  u_long    prologue_pos;
}           edfmtdw2linehead_t;

/**
 * XXX: Use when it will be usefull 
 * Describe a line information 
 */
00196 typedef struct    s_dw2line
{
  /* Main informations */
  eresi_Addr      addr;
  u_int           line;
  u_int           column;

  /* References */
  edfmtdw2cu_t    *cu;
  u_int           fileid;

  struct s_dw2line *next;
}           edfmtdw2line_t;

/**
 * Describe a compil unit 
 */
00213 struct            s_dw2cu
{
  /* Header informations */
  u_int           length;           /* Compile unit length without this entry */
  u_int           version;    /* DWARF2 version */
  u_int           offset;           /* Abbrev offset */
  u_int           addr_size;  /* Address size on this compile unit */
  u_int           start_pos;  /* Start position of the compile unit (before the header) */
  u_int           end_pos;    /* End position of the compile unit */
  u_int           info_pos;   /* Right after the header */

  /* Designed file */
  elfshobj_t      *fileobj;

  /* Store abbrev table informations */
  hash_t    abbrev_table;

  /* Files informations */
  char            **dirs;
  char            **files_name;
  u_int           *files_dindex;
  u_int           *files_time;
  u_int           *files_len;
  u_long    files_number;
  
  struct s_dw2cu *next;
};

/**
 * Main structure of dwarf2 
 */
00244 typedef struct    s_dw2info
{
  edfmtdw2cu_t    *cu_list;   /* Compile unit list */
  edfmtdw2sectlist_t sections;      /* Section pointers & informations */
}           edfmtdw2info_t;

/* Variables */
extern edfmtdw2info_t *dwarf2_info;

/* References */
extern edfmtdw2cu_t *current_cu;

/* I/O management */
#define dwarf2_pos(name)      dwarf2_info->sections.name.pos
#define dwarf2_size(name)     dwarf2_info->sections.name.sect->shdr->sh_size
#define dwarf2_data(name)     ((char *)dwarf2_info->sections.name.data)
#define dwarf2_a_pos(name)    (dwarf2_data(name) + dwarf2_pos(name))
#define dwarf2_ac_pos(name)   (char *) dwarf2_a_pos(name)

#define dwarf2_get_1(val) (val[0])
#define dwarf2_get_2(val) (val[0] | (val[1] << 8))
#define dwarf2_get_4(val) (val[0] | (val[1] << 8) | (val[2] << 16) | (val[3] << 24))
#define dwarf2_get_8(val) (val[0] | (val[1] << 8) | (val[2] << 16) | (val[3] << 24) \
                   | (val[4] << 32) | (val[5] << 40) | (val[6] << 48) | (val[7] << 56))

#define dwarf2_get_pos(val, name, type) \
val = (type) (sizeof(type) == 1 ? dwarf2_get_1(dwarf2_a_pos(name)) \
         : (sizeof(type) == 2 ? dwarf2_get_2(dwarf2_a_pos(name)) \
         : (sizeof(type) == 4 ? dwarf2_get_4(dwarf2_a_pos(name)) \
           : (sizeof(type) == 8 ? dwarf2_get_8(dwarf2_a_pos(name)) : 0 ))))

#define dwarf2_inc_pos(name, value)                   \
do {                                      \
  dwarf2_info->sections.name.pos += value;            \
} while(0)

#define dwarf2_ipos(val, name, type)                  \
do {                                      \
  dwarf2_get_pos(val, name, type);              \
  dwarf2_inc_pos(name, sizeof(type));                 \
} while(0)

#define dwarf2_read_1(val, name)                \
do {                                      \
  dwarf2_get_pos(val, name, char);              \
} while(0)

#define dwarf2_read_2(val, name)                \
do {                                      \
  dwarf2_get_pos(val, name, short);                   \
} while(0)

#define dwarf2_read_4(val, name)                \
do {                                      \
  dwarf2_get_pos(val, name, int);               \
} while(0)

#define dwarf2_read_8(val, name)                \
do {                                      \
  dwarf2_get_pos(val, name, long);              \
} while(0)

#define dwarf2_iread_1(val, name)               \
do {                                      \
  dwarf2_read_1(val, name);                     \
  dwarf2_inc_pos(name, 1);                      \
} while(0)

#define dwarf2_iread_2(val, name)               \
do {                                      \
  dwarf2_read_2(val, name);                     \
  dwarf2_inc_pos(name, 2);                      \
} while(0)

#define dwarf2_iread_4(val, name)               \
do {                                      \
  dwarf2_read_4(val, name);                     \
  dwarf2_inc_pos(name, 4);                      \
} while(0)

#define dwarf2_iread_8(val, name)               \
do {                                      \
  dwarf2_read_8(val, name);                     \
  dwarf2_inc_pos(name, 8);                      \
} while(0)

#define dwarf2_iuleb128(val, name)              \
do {                                      \
  u_int bsize;                                  \
  val = edfmt_read_uleb128(dwarf2_a_pos(name), &bsize);     \
  dwarf2_inc_pos(name, bsize);                              \
} while (0)

#define dwarf2_ileb128(val, name)                 \
do {                                      \
  u_int bsize;                                  \
  val = edfmt_read_leb128(dwarf2_a_pos(name), &bsize);      \
  dwarf2_inc_pos(name, bsize);                              \
} while (0)

#define dwarf2_uleb128(val, name)               \
do {                                      \
  u_int bsize;                                  \
  val = edfmt_read_uleb128(dwarf2_a_pos(name), &bsize);     \
} while (0)

#define dwarf2_leb128(val, name)                  \
do {                                      \
  u_int bsize;                                  \
  val = edfmt_read_leb128(dwarf2_a_pos(name), &bsize);      \
} while (0)

#define dwarf2_istr(val, name)                        \
do {                                      \
  val = dwarf2_ac_pos(name);                          \
  dwarf2_inc_pos(name, strlen(val)+1);                      \
} while (0)

/* Transformation management */
#define DWARF2_TRANS_GETATTR(_out, _in, _type, _param, _default)  \
do {                                                  \
  edfmtdw2abbattr_t *attr;                                        \
  _out = _default;                                          \
  attr = edfmt_dwarf2_getattr(_in, _type);                        \
  if (attr)                                           \
    _out = attr->_param;                                    \
} while (0)

/* Most of this enums are from gdb 6.4 dwarf 2 header
   you can see dwarf 2 documentation for more information */

#define DW_CHILDREN_no  0
#define DW_CHILDREN_yes 1

/* Tags */
enum dwarf2_tag
  {
    DW_TAG_padding = 0x00,
    DW_TAG_array_type = 0x01,
    DW_TAG_class_type = 0x02,
    DW_TAG_entry_point = 0x03,
    DW_TAG_enumeration_type = 0x04,
    DW_TAG_formal_parameter = 0x05,
    DW_TAG_imported_declaration = 0x08,
    DW_TAG_label = 0x0a,
    DW_TAG_lexical_block = 0x0b,
    DW_TAG_member = 0x0d,
    DW_TAG_pointer_type = 0x0f,
    DW_TAG_reference_type = 0x10,
    DW_TAG_compile_unit = 0x11,
    DW_TAG_string_type = 0x12,
    DW_TAG_structure_type = 0x13,
    DW_TAG_subroutine_type = 0x15,
    DW_TAG_typedef = 0x16,
    DW_TAG_union_type = 0x17,
    DW_TAG_unspecified_parameters = 0x18,
    DW_TAG_variant = 0x19,
    DW_TAG_common_block = 0x1a,
    DW_TAG_common_inclusion = 0x1b,
    DW_TAG_inheritance = 0x1c,
    DW_TAG_inlined_subroutine = 0x1d,
    DW_TAG_module = 0x1e,
    DW_TAG_ptr_to_member_type = 0x1f,
    DW_TAG_set_type = 0x20,
    DW_TAG_subrange_type = 0x21,
    DW_TAG_with_stmt = 0x22,
    DW_TAG_access_declaration = 0x23,
    DW_TAG_base_type = 0x24,
    DW_TAG_catch_block = 0x25,
    DW_TAG_const_type = 0x26,
    DW_TAG_constant = 0x27,
    DW_TAG_enumerator = 0x28,
    DW_TAG_file_type = 0x29,
    DW_TAG_friend = 0x2a,
    DW_TAG_namelist = 0x2b,
    DW_TAG_namelist_item = 0x2c,
    DW_TAG_packed_type = 0x2d,
    DW_TAG_subprogram = 0x2e,
    DW_TAG_template_type_param = 0x2f,
    DW_TAG_template_value_param = 0x30,
    DW_TAG_thrown_type = 0x31,
    DW_TAG_try_block = 0x32,
    DW_TAG_variant_part = 0x33,
    DW_TAG_variable = 0x34,
    DW_TAG_volatile_type = 0x35,
    /* DWARF 3.  */
    DW_TAG_dwarf_procedure = 0x36,
    DW_TAG_restrict_type = 0x37,
    DW_TAG_interface_type = 0x38,
    DW_TAG_namespace = 0x39,
    DW_TAG_imported_module = 0x3a,
    DW_TAG_unspecified_type = 0x3b,
    DW_TAG_partial_unit = 0x3c,
    DW_TAG_imported_unit = 0x3d,
    /* SGI/MIPS Extensions.  */
    DW_TAG_MIPS_loop = 0x4081,
    /* HP extensions.  See: ftp://ftp.hp.com/pub/lang/tools/WDB/wdb-4.0.tar.gz .  */
    DW_TAG_HP_array_descriptor = 0x4090,
    /* GNU extensions.  */
    DW_TAG_format_label = 0x4101,   /* For FORTRAN 77 and Fortran 90.  */
    DW_TAG_function_template = 0x4102,    /* For C++.  */
    DW_TAG_class_template = 0x4103, /* For C++.  */
    DW_TAG_GNU_BINCL = 0x4104,
    DW_TAG_GNU_EINCL = 0x4105,
    /* Extensions for UPC.  See: http://upc.gwu.edu/~upc.  */
    DW_TAG_upc_shared_type = 0x8765,
    DW_TAG_upc_strict_type = 0x8766,
    DW_TAG_upc_relaxed_type = 0x8767,
    /* PGI (STMicroelectronics) extensions.  No documentation available.  */
    DW_TAG_PGI_kanji_type      = 0xA000,
    DW_TAG_PGI_interface_block = 0xA020
  };

#define DW_TAG_lo_user  0x4080
#define DW_TAG_hi_user  0xffff

/* Childs */
#define DW_children_no   0
#define     DW_children_yes  1

/* Forms */
enum dwarf2_form
  {
    DW_FORM_addr = 0x01,
    DW_FORM_block2 = 0x03,
    DW_FORM_block4 = 0x04,
    DW_FORM_data2 = 0x05,
    DW_FORM_data4 = 0x06,
    DW_FORM_data8 = 0x07,
    DW_FORM_string = 0x08,
    DW_FORM_block = 0x09,
    DW_FORM_block1 = 0x0a,
    DW_FORM_data1 = 0x0b,
    DW_FORM_flag = 0x0c,
    DW_FORM_sdata = 0x0d,
    DW_FORM_strp = 0x0e,
    DW_FORM_udata = 0x0f,
    DW_FORM_ref_addr = 0x10,
    DW_FORM_ref1 = 0x11,
    DW_FORM_ref2 = 0x12,
    DW_FORM_ref4 = 0x13,
    DW_FORM_ref8 = 0x14,
    DW_FORM_ref_udata = 0x15,
    DW_FORM_indirect = 0x16
  };

/* Attributes */
enum dwarf2_attribute
  {
    DW_AT_sibling = 0x01,
    DW_AT_location = 0x02,
    DW_AT_name = 0x03,
    DW_AT_ordering = 0x09,
    DW_AT_subscr_data = 0x0a,
    DW_AT_byte_size = 0x0b,
    DW_AT_bit_offset = 0x0c,
    DW_AT_bit_size = 0x0d,
    DW_AT_element_list = 0x0f,
    DW_AT_stmt_list = 0x10,
    DW_AT_low_pc = 0x11,
    DW_AT_high_pc = 0x12,
    DW_AT_language = 0x13,
    DW_AT_member = 0x14,
    DW_AT_discr = 0x15,
    DW_AT_discr_value = 0x16,
    DW_AT_visibility = 0x17,
    DW_AT_import = 0x18,
    DW_AT_string_length = 0x19,
    DW_AT_common_reference = 0x1a,
    DW_AT_comp_dir = 0x1b,
    DW_AT_const_value = 0x1c,
    DW_AT_containing_type = 0x1d,
    DW_AT_default_value = 0x1e,
    DW_AT_inline = 0x20,
    DW_AT_is_optional = 0x21,
    DW_AT_lower_bound = 0x22,
    DW_AT_producer = 0x25,
    DW_AT_prototyped = 0x27,
    DW_AT_return_addr = 0x2a,
    DW_AT_start_scope = 0x2c,
    DW_AT_stride_size = 0x2e,
    DW_AT_upper_bound = 0x2f,
    DW_AT_abstract_origin = 0x31,
    DW_AT_accessibility = 0x32,
    DW_AT_address_class = 0x33,
    DW_AT_artificial = 0x34,
    DW_AT_base_types = 0x35,
    DW_AT_calling_convention = 0x36,
    DW_AT_count = 0x37,
    DW_AT_data_member_location = 0x38,
    DW_AT_decl_column = 0x39,
    DW_AT_decl_file = 0x3a,
    DW_AT_decl_line = 0x3b,
    DW_AT_declaration = 0x3c,
    DW_AT_discr_list = 0x3d,
    DW_AT_encoding = 0x3e,
    DW_AT_external = 0x3f,
    DW_AT_frame_base = 0x40,
    DW_AT_friend = 0x41,
    DW_AT_identifier_case = 0x42,
    DW_AT_macro_info = 0x43,
    DW_AT_namelist_items = 0x44,
    DW_AT_priority = 0x45,
    DW_AT_segment = 0x46,
    DW_AT_specification = 0x47,
    DW_AT_static_link = 0x48,
    DW_AT_type = 0x49,
    DW_AT_use_location = 0x4a,
    DW_AT_variable_parameter = 0x4b,
    DW_AT_virtuality = 0x4c,
    DW_AT_vtable_elem_location = 0x4d,
    /* DWARF 3 values.  */
    DW_AT_allocated     = 0x4e,
    DW_AT_associated    = 0x4f,
    DW_AT_data_location = 0x50,
    DW_AT_stride        = 0x51,
    DW_AT_entry_pc      = 0x52,
    DW_AT_use_UTF8      = 0x53,
    DW_AT_extension     = 0x54,
    DW_AT_ranges        = 0x55,
    DW_AT_trampoline    = 0x56,
    DW_AT_call_column   = 0x57,
    DW_AT_call_file     = 0x58,
    DW_AT_call_line     = 0x59,
    /* SGI/MIPS extensions.  */
    DW_AT_MIPS_fde = 0x2001,
    DW_AT_MIPS_loop_begin = 0x2002,
    DW_AT_MIPS_tail_loop_begin = 0x2003,
    DW_AT_MIPS_epilog_begin = 0x2004,
    DW_AT_MIPS_loop_unroll_factor = 0x2005,
    DW_AT_MIPS_software_pipeline_depth = 0x2006,
    DW_AT_MIPS_linkage_name = 0x2007,
    DW_AT_MIPS_stride = 0x2008,
    DW_AT_MIPS_abstract_name = 0x2009,
    DW_AT_MIPS_clone_origin = 0x200a,
    DW_AT_MIPS_has_inlines = 0x200b,
    /* HP extensions.  */
    DW_AT_HP_block_index         = 0x2000,
    DW_AT_HP_unmodifiable        = 0x2001, /* Same as DW_AT_MIPS_fde.  */
    DW_AT_HP_actuals_stmt_list   = 0x2010,
    DW_AT_HP_proc_per_section    = 0x2011,
    DW_AT_HP_raw_data_ptr        = 0x2012,
    DW_AT_HP_pass_by_reference   = 0x2013,
    DW_AT_HP_opt_level           = 0x2014,
    DW_AT_HP_prof_version_id     = 0x2015,
    DW_AT_HP_opt_flags           = 0x2016,
    DW_AT_HP_cold_region_low_pc  = 0x2017,
    DW_AT_HP_cold_region_high_pc = 0x2018,
    DW_AT_HP_all_variables_modifiable = 0x2019,
    DW_AT_HP_linkage_name        = 0x201a,
    DW_AT_HP_prof_flags          = 0x201b,  /* In comp unit of procs_info for -g.  */
    /* GNU extensions.  */
    DW_AT_sf_names   = 0x2101,
    DW_AT_src_info   = 0x2102,
    DW_AT_mac_info   = 0x2103,
    DW_AT_src_coords = 0x2104,
    DW_AT_body_begin = 0x2105,
    DW_AT_body_end   = 0x2106,
    DW_AT_GNU_vector = 0x2107,
    /* VMS extensions.  */
    DW_AT_VMS_rtnbeg_pd_address = 0x2201,
    /* UPC extension.  */
    DW_AT_upc_threads_scaled = 0x3210,
    /* PGI (STMicroelectronics) extensions.  */
    DW_AT_PGI_lbase    = 0x3a00,
    DW_AT_PGI_soffset  = 0x3a01,
    DW_AT_PGI_lstride  = 0x3a02
  };

#define DW_AT_lo_user   0x2000      /* Implementation-defined range start.  */
#define DW_AT_hi_user   0x3ff0      /* Implementation-defined range end.  */

/* Location atom */
enum dwarf_location_atom
  {
    DW_OP_addr = 0x03,
    DW_OP_deref = 0x06,
    DW_OP_const1u = 0x08,
    DW_OP_const1s = 0x09,
    DW_OP_const2u = 0x0a,
    DW_OP_const2s = 0x0b,
    DW_OP_const4u = 0x0c,
    DW_OP_const4s = 0x0d,
    DW_OP_const8u = 0x0e,
    DW_OP_const8s = 0x0f,
    DW_OP_constu = 0x10,
    DW_OP_consts = 0x11,
    DW_OP_dup = 0x12,
    DW_OP_drop = 0x13,
    DW_OP_over = 0x14,
    DW_OP_pick = 0x15,
    DW_OP_swap = 0x16,
    DW_OP_rot = 0x17,
    DW_OP_xderef = 0x18,
    DW_OP_abs = 0x19,
    DW_OP_and = 0x1a,
    DW_OP_div = 0x1b,
    DW_OP_minus = 0x1c,
    DW_OP_mod = 0x1d,
    DW_OP_mul = 0x1e,
    DW_OP_neg = 0x1f,
    DW_OP_not = 0x20,
    DW_OP_or = 0x21,
    DW_OP_plus = 0x22,
    DW_OP_plus_uconst = 0x23,
    DW_OP_shl = 0x24,
    DW_OP_shr = 0x25,
    DW_OP_shra = 0x26,
    DW_OP_xor = 0x27,
    DW_OP_bra = 0x28,
    DW_OP_eq = 0x29,
    DW_OP_ge = 0x2a,
    DW_OP_gt = 0x2b,
    DW_OP_le = 0x2c,
    DW_OP_lt = 0x2d,
    DW_OP_ne = 0x2e,
    DW_OP_skip = 0x2f,
    DW_OP_lit0 = 0x30,
    DW_OP_lit1 = 0x31,
    DW_OP_lit2 = 0x32,
    DW_OP_lit3 = 0x33,
    DW_OP_lit4 = 0x34,
    DW_OP_lit5 = 0x35,
    DW_OP_lit6 = 0x36,
    DW_OP_lit7 = 0x37,
    DW_OP_lit8 = 0x38,
    DW_OP_lit9 = 0x39,
    DW_OP_lit10 = 0x3a,
    DW_OP_lit11 = 0x3b,
    DW_OP_lit12 = 0x3c,
    DW_OP_lit13 = 0x3d,
    DW_OP_lit14 = 0x3e,
    DW_OP_lit15 = 0x3f,
    DW_OP_lit16 = 0x40,
    DW_OP_lit17 = 0x41,
    DW_OP_lit18 = 0x42,
    DW_OP_lit19 = 0x43,
    DW_OP_lit20 = 0x44,
    DW_OP_lit21 = 0x45,
    DW_OP_lit22 = 0x46,
    DW_OP_lit23 = 0x47,
    DW_OP_lit24 = 0x48,
    DW_OP_lit25 = 0x49,
    DW_OP_lit26 = 0x4a,
    DW_OP_lit27 = 0x4b,
    DW_OP_lit28 = 0x4c,
    DW_OP_lit29 = 0x4d,
    DW_OP_lit30 = 0x4e,
    DW_OP_lit31 = 0x4f,
    DW_OP_reg0 = 0x50,
    DW_OP_reg1 = 0x51,
    DW_OP_reg2 = 0x52,
    DW_OP_reg3 = 0x53,
    DW_OP_reg4 = 0x54,
    DW_OP_reg5 = 0x55,
    DW_OP_reg6 = 0x56,
    DW_OP_reg7 = 0x57,
    DW_OP_reg8 = 0x58,
    DW_OP_reg9 = 0x59,
    DW_OP_reg10 = 0x5a,
    DW_OP_reg11 = 0x5b,
    DW_OP_reg12 = 0x5c,
    DW_OP_reg13 = 0x5d,
    DW_OP_reg14 = 0x5e,
    DW_OP_reg15 = 0x5f,
    DW_OP_reg16 = 0x60,
    DW_OP_reg17 = 0x61,
    DW_OP_reg18 = 0x62,
    DW_OP_reg19 = 0x63,
    DW_OP_reg20 = 0x64,
    DW_OP_reg21 = 0x65,
    DW_OP_reg22 = 0x66,
    DW_OP_reg23 = 0x67,
    DW_OP_reg24 = 0x68,
    DW_OP_reg25 = 0x69,
    DW_OP_reg26 = 0x6a,
    DW_OP_reg27 = 0x6b,
    DW_OP_reg28 = 0x6c,
    DW_OP_reg29 = 0x6d,
    DW_OP_reg30 = 0x6e,
    DW_OP_reg31 = 0x6f,
    DW_OP_breg0 = 0x70,
    DW_OP_breg1 = 0x71,
    DW_OP_breg2 = 0x72,
    DW_OP_breg3 = 0x73,
    DW_OP_breg4 = 0x74,
    DW_OP_breg5 = 0x75,
    DW_OP_breg6 = 0x76,
    DW_OP_breg7 = 0x77,
    DW_OP_breg8 = 0x78,
    DW_OP_breg9 = 0x79,
    DW_OP_breg10 = 0x7a,
    DW_OP_breg11 = 0x7b,
    DW_OP_breg12 = 0x7c,
    DW_OP_breg13 = 0x7d,
    DW_OP_breg14 = 0x7e,
    DW_OP_breg15 = 0x7f,
    DW_OP_breg16 = 0x80,
    DW_OP_breg17 = 0x81,
    DW_OP_breg18 = 0x82,
    DW_OP_breg19 = 0x83,
    DW_OP_breg20 = 0x84,
    DW_OP_breg21 = 0x85,
    DW_OP_breg22 = 0x86,
    DW_OP_breg23 = 0x87,
    DW_OP_breg24 = 0x88,
    DW_OP_breg25 = 0x89,
    DW_OP_breg26 = 0x8a,
    DW_OP_breg27 = 0x8b,
    DW_OP_breg28 = 0x8c,
    DW_OP_breg29 = 0x8d,
    DW_OP_breg30 = 0x8e,
    DW_OP_breg31 = 0x8f,
    DW_OP_regx = 0x90,
    DW_OP_fbreg = 0x91,
    DW_OP_bregx = 0x92,
    DW_OP_piece = 0x93,
    DW_OP_deref_size = 0x94,
    DW_OP_xderef_size = 0x95,
    DW_OP_nop = 0x96,
    /* DWARF 3 extensions.  */
    DW_OP_push_object_address = 0x97,
    DW_OP_call2 = 0x98,
    DW_OP_call4 = 0x99,
    DW_OP_call_ref = 0x9a,
    /* GNU extensions.  */
    DW_OP_GNU_push_tls_address = 0xe0,
    /* HP extensions.  */
    DW_OP_HP_unknown     = 0xe0, /* Ouch, the same as GNU_push_tls_address.  */
    DW_OP_HP_is_value    = 0xe1,
    DW_OP_HP_fltconst4   = 0xe2,
    DW_OP_HP_fltconst8   = 0xe3,
    DW_OP_HP_mod_range   = 0xe4,
    DW_OP_HP_unmod_range = 0xe5,
    DW_OP_HP_tls         = 0xe6
  };

#define DW_OP_lo_user   0xe0  /* Implementation-defined range start.  */
#define DW_OP_hi_user   0xff  /* Implementation-defined range end.  */

/* Type encodings.  */
enum dwarf2_type
  {
    DW_ATE_void = 0x0,
    DW_ATE_address = 0x1,
    DW_ATE_boolean = 0x2,
    DW_ATE_complex_float = 0x3,
    DW_ATE_float = 0x4,
    DW_ATE_signed = 0x5,
    DW_ATE_signed_char = 0x6,
    DW_ATE_unsigned = 0x7,
    DW_ATE_unsigned_char = 0x8,
    /* DWARF 3.  */
    DW_ATE_imaginary_float = 0x9,
    DW_ATE_decimal_float = 0xf,
    /* HP extensions.  */
    DW_ATE_HP_float80            = 0x80, /* Floating-point (80 bit).  */
    DW_ATE_HP_complex_float80    = 0x81, /* Complex floating-point (80 bit).  */
    DW_ATE_HP_float128           = 0x82, /* Floating-point (128 bit).  */
    DW_ATE_HP_complex_float128   = 0x83, /* Complex floating-point (128 bit).  */
    DW_ATE_HP_floathpintel       = 0x84, /* Floating-point (82 bit IA64).  */
    DW_ATE_HP_imaginary_float80  = 0x85,
    DW_ATE_HP_imaginary_float128 = 0x86
  };

#define     DW_ATE_lo_user 0x80
#define     DW_ATE_hi_user 0xff

/* Array ordering names and codes.  */
enum dwarf2_array_dim_ordering
  {
    DW_ORD_row_major = 0,
    DW_ORD_col_major = 1
  };

/* Access attribute.  */
enum dwarf2_access_attribute
  {
    DW_ACCESS_public = 1,
    DW_ACCESS_protected = 2,
    DW_ACCESS_private = 3
  };

/* Visibility.  */
enum dwarf2_visibility_attribute
  {
    DW_VIS_local = 1,
    DW_VIS_exported = 2,
    DW_VIS_qualified = 3
  };

/* Virtuality.  */
enum dwarf2_virtuality_attribute
  {
    DW_VIRTUALITY_none = 0,
    DW_VIRTUALITY_virtual = 1,
    DW_VIRTUALITY_pure_virtual = 2
  };

/* Case sensitivity.  */
enum dwarf2_id_case
  {
    DW_ID_case_sensitive = 0,
    DW_ID_up_case = 1,
    DW_ID_down_case = 2,
    DW_ID_case_insensitive = 3
  };

/* Calling convention.  */
enum dwarf2_calling_convention
  {
    DW_CC_normal = 0x1,
    DW_CC_program = 0x2,
    DW_CC_nocall = 0x3,
    DW_CC_GNU_renesas_sh = 0x40
  };

#define DW_CC_lo_user 0x40
#define DW_CC_hi_user 0xff

/* Inline attribute.  */
enum dwarf2_inline_attribute
  {
    DW_INL_not_inlined = 0,
    DW_INL_inlined = 1,
    DW_INL_declared_not_inlined = 2,
    DW_INL_declared_inlined = 3
  };

/* Discriminant lists.  */
enum dwarf2_discrim_list
  {
    DW_DSC_label = 0,
    DW_DSC_range = 1
  };

/* Line number opcodes.  */
enum dwarf2_line_number_ops
  {
    DW_LNS_extended_op = 0,
    DW_LNS_copy = 1,
    DW_LNS_advance_pc = 2,
    DW_LNS_advance_line = 3,
    DW_LNS_set_file = 4,
    DW_LNS_set_column = 5,
    DW_LNS_negate_stmt = 6,
    DW_LNS_set_basic_block = 7,
    DW_LNS_const_add_pc = 8,
    DW_LNS_fixed_advance_pc = 9,
    /* DWARF 3.  */
    DW_LNS_set_prologue_end = 10,
    DW_LNS_set_epilogue_begin = 11,
    DW_LNS_set_isa = 12
  };

/* Line number extended opcodes.  */
enum dwarf2_line_number_x_ops
  {
    DW_LNE_end_sequence = 1,
    DW_LNE_set_address = 2,
    DW_LNE_define_file = 3,
    /* HP extensions.  */
    DW_LNE_HP_negate_is_UV_update      = 0x11,
    DW_LNE_HP_push_context             = 0x12,
    DW_LNE_HP_pop_context              = 0x13,
    DW_LNE_HP_set_file_line_column     = 0x14,
    DW_LNE_HP_set_routine_name         = 0x15,
    DW_LNE_HP_set_sequence             = 0x16,
    DW_LNE_HP_negate_post_semantics    = 0x17,
    DW_LNE_HP_negate_function_exit     = 0x18,
    DW_LNE_HP_negate_front_end_logical = 0x19,
    DW_LNE_HP_define_proc              = 0x20
  };

/* Call frame information.  */
enum dwarf2_call_frame_info
  {
    DW_CFA_advance_loc = 0x40,
    DW_CFA_offset = 0x80,
    DW_CFA_restore = 0xc0,
    DW_CFA_nop = 0x00,
    DW_CFA_set_loc = 0x01,
    DW_CFA_advance_loc1 = 0x02,
    DW_CFA_advance_loc2 = 0x03,
    DW_CFA_advance_loc4 = 0x04,
    DW_CFA_offset_extended = 0x05,
    DW_CFA_restore_extended = 0x06,
    DW_CFA_undefined = 0x07,
    DW_CFA_same_value = 0x08,
    DW_CFA_register = 0x09,
    DW_CFA_remember_state = 0x0a,
    DW_CFA_restore_state = 0x0b,
    DW_CFA_def_cfa = 0x0c,
    DW_CFA_def_cfa_register = 0x0d,
    DW_CFA_def_cfa_offset = 0x0e,
    /* DWARF 3.  */
    DW_CFA_def_cfa_expression = 0x0f,
    DW_CFA_expression = 0x10,
    DW_CFA_offset_extended_sf = 0x11,
    DW_CFA_def_cfa_sf = 0x12,
    DW_CFA_def_cfa_offset_sf = 0x13,
    /* SGI/MIPS specific.  */
    DW_CFA_MIPS_advance_loc8 = 0x1d,
    /* GNU extensions.  */
    DW_CFA_GNU_window_save = 0x2d,
    DW_CFA_GNU_args_size = 0x2e,
    DW_CFA_GNU_negative_offset_extended = 0x2f
  };

#define DW_CIE_ID   0xffffffff
#define DW_CIE_VERSION    1

#define DW_CFA_extended   0
#define DW_CFA_lo_user    0x1c
#define DW_CFA_hi_user    0x3f

#define DW_ADDR_none      0

/* Source language names and codes.  */
enum dwarf2_source_language
  {
    DW_LANG_C89 = 0x0001,
    DW_LANG_C = 0x0002,
    DW_LANG_Ada83 = 0x0003,
    DW_LANG_C_plus_plus = 0x0004,
    DW_LANG_Cobol74 = 0x0005,
    DW_LANG_Cobol85 = 0x0006,
    DW_LANG_Fortran77 = 0x0007,
    DW_LANG_Fortran90 = 0x0008,
    DW_LANG_Pascal83 = 0x0009,
    DW_LANG_Modula2 = 0x000a,
    DW_LANG_Java = 0x000b,
    /* DWARF 3.  */
    DW_LANG_C99 = 0x000c,
    DW_LANG_Ada95 = 0x000d,
    DW_LANG_Fortran95 = 0x000e,
    /* MIPS.  */
    DW_LANG_Mips_Assembler = 0x8001,
    /* UPC.  */
    DW_LANG_Upc = 0x8765
  };

#define DW_LANG_lo_user 0x8000      /* Implementation-defined range start.  */
#define DW_LANG_hi_user 0xffff      /* Implementation-defined range start.  */

/* Names and codes for macro information.  */
enum dwarf2_macinfo_record_type
  {
    DW_MACINFO_define = 1,
    DW_MACINFO_undef = 2,
    DW_MACINFO_start_file = 3,
    DW_MACINFO_end_file = 4,
    DW_MACINFO_vendor_ext = 255
  };

#define DW_EH_PE_absptr       0x00
#define DW_EH_PE_omit         0xff

#define DW_EH_PE_uleb128      0x01
#define DW_EH_PE_udata2       0x02
#define DW_EH_PE_udata4       0x03
#define DW_EH_PE_udata8       0x04
#define DW_EH_PE_sleb128      0x09
#define DW_EH_PE_sdata2       0x0A
#define DW_EH_PE_sdata4       0x0B
#define DW_EH_PE_sdata8       0x0C
#define DW_EH_PE_signed       0x08

#define DW_EH_PE_pcrel        0x10
#define DW_EH_PE_textrel      0x20
#define DW_EH_PE_datarel      0x30
#define DW_EH_PE_funcrel      0x40
#define DW_EH_PE_aligned      0x50

#define DW_EH_PE_indirect     0x80
#endif

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