/* <apollo/dst.h> */
|
/* <apollo/dst.h> */
|
/* Apollo object module DST (debug symbol table) description */
|
/* Apollo object module DST (debug symbol table) description */
|
|
|
#ifndef apollo_dst_h
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#ifndef apollo_dst_h
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#define apollo_dst_h
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#define apollo_dst_h
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|
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#if defined(apollo) && !defined(__GNUC__)
|
#if defined(apollo) && !defined(__GNUC__)
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#define ALIGNED1 __attribute( (aligned(1)) )
|
#define ALIGNED1 __attribute( (aligned(1)) )
|
#else
|
#else
|
/* Remove attribute directives from non-Apollo code: */
|
/* Remove attribute directives from non-Apollo code: */
|
#define ALIGNED1 /* nil */
|
#define ALIGNED1 /* nil */
|
#endif
|
#endif
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|
|
|
|
|
|
/* Identification of this version of the debug symbol table. Producers of the
|
/* Identification of this version of the debug symbol table. Producers of the
|
debug symbol table must write these values into the version number field of
|
debug symbol table must write these values into the version number field of
|
the compilation unit record in .blocks .
|
the compilation unit record in .blocks .
|
*/
|
*/
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#define dst_version_major 1
|
#define dst_version_major 1
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#define dst_version_minor 3
|
#define dst_version_minor 3
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|
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|
|
/*
|
/*
|
** Enumeration of debug record types appearing in .blocks and .symbols ...
|
** Enumeration of debug record types appearing in .blocks and .symbols ...
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_typ_pad, /* 0 */
|
dst_typ_pad, /* 0 */
|
dst_typ_comp_unit, /* 1 */
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dst_typ_comp_unit, /* 1 */
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dst_typ_section_tab, /* 2 */
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dst_typ_section_tab, /* 2 */
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dst_typ_file_tab, /* 3 */
|
dst_typ_file_tab, /* 3 */
|
dst_typ_block, /* 4 */
|
dst_typ_block, /* 4 */
|
dst_typ_5,
|
dst_typ_5,
|
dst_typ_var,
|
dst_typ_var,
|
dst_typ_pointer, /* 7 */
|
dst_typ_pointer, /* 7 */
|
dst_typ_array, /* 8 */
|
dst_typ_array, /* 8 */
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dst_typ_subrange, /* 9 */
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dst_typ_subrange, /* 9 */
|
dst_typ_set, /* 10 */
|
dst_typ_set, /* 10 */
|
dst_typ_implicit_enum, /* 11 */
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dst_typ_implicit_enum, /* 11 */
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dst_typ_explicit_enum, /* 12 */
|
dst_typ_explicit_enum, /* 12 */
|
dst_typ_short_rec, /* 13 */
|
dst_typ_short_rec, /* 13 */
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dst_typ_old_record,
|
dst_typ_old_record,
|
dst_typ_short_union, /* 15 */
|
dst_typ_short_union, /* 15 */
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dst_typ_old_union,
|
dst_typ_old_union,
|
dst_typ_file, /* 17 */
|
dst_typ_file, /* 17 */
|
dst_typ_offset, /* 18 */
|
dst_typ_offset, /* 18 */
|
dst_typ_alias, /* 19 */
|
dst_typ_alias, /* 19 */
|
dst_typ_signature, /* 20 */
|
dst_typ_signature, /* 20 */
|
dst_typ_21,
|
dst_typ_21,
|
dst_typ_old_label, /* 22 */
|
dst_typ_old_label, /* 22 */
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dst_typ_scope, /* 23 */
|
dst_typ_scope, /* 23 */
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dst_typ_end_scope, /* 24 */
|
dst_typ_end_scope, /* 24 */
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dst_typ_25,
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dst_typ_25,
|
dst_typ_26,
|
dst_typ_26,
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dst_typ_string_tab, /* 27 */
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dst_typ_string_tab, /* 27 */
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dst_typ_global_name_tab, /* 28 */
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dst_typ_global_name_tab, /* 28 */
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dst_typ_forward, /* 29 */
|
dst_typ_forward, /* 29 */
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dst_typ_aux_size, /* 30 */
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dst_typ_aux_size, /* 30 */
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dst_typ_aux_align, /* 31 */
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dst_typ_aux_align, /* 31 */
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dst_typ_aux_field_size, /* 32 */
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dst_typ_aux_field_size, /* 32 */
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dst_typ_aux_field_off, /* 33 */
|
dst_typ_aux_field_off, /* 33 */
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dst_typ_aux_field_align, /* 34 */
|
dst_typ_aux_field_align, /* 34 */
|
dst_typ_aux_qual, /* 35 */
|
dst_typ_aux_qual, /* 35 */
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dst_typ_aux_var_bound, /* 36 */
|
dst_typ_aux_var_bound, /* 36 */
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dst_typ_extension, /* 37 */
|
dst_typ_extension, /* 37 */
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dst_typ_string, /* 38 */
|
dst_typ_string, /* 38 */
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dst_typ_old_entry,
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dst_typ_old_entry,
|
dst_typ_const, /* 40 */
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dst_typ_const, /* 40 */
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dst_typ_reference, /* 41 */
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dst_typ_reference, /* 41 */
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dst_typ_record, /* 42 */
|
dst_typ_record, /* 42 */
|
dst_typ_union, /* 43 */
|
dst_typ_union, /* 43 */
|
dst_typ_aux_type_deriv, /* 44 */
|
dst_typ_aux_type_deriv, /* 44 */
|
dst_typ_locpool, /* 45 */
|
dst_typ_locpool, /* 45 */
|
dst_typ_variable, /* 46 */
|
dst_typ_variable, /* 46 */
|
dst_typ_label, /* 47 */
|
dst_typ_label, /* 47 */
|
dst_typ_entry, /* 48 */
|
dst_typ_entry, /* 48 */
|
dst_typ_aux_lifetime, /* 49 */
|
dst_typ_aux_lifetime, /* 49 */
|
dst_typ_aux_ptr_base, /* 50 */
|
dst_typ_aux_ptr_base, /* 50 */
|
dst_typ_aux_src_range, /* 51 */
|
dst_typ_aux_src_range, /* 51 */
|
dst_typ_aux_reg_val, /* 52 */
|
dst_typ_aux_reg_val, /* 52 */
|
dst_typ_aux_unit_names, /* 53 */
|
dst_typ_aux_unit_names, /* 53 */
|
dst_typ_aux_sect_info, /* 54 */
|
dst_typ_aux_sect_info, /* 54 */
|
dst_typ_END_OF_ENUM
|
dst_typ_END_OF_ENUM
|
}
|
}
|
dst_rec_type_t;
|
dst_rec_type_t;
|
|
|
|
|
/*
|
/*
|
** Dummy bounds for variably dimensioned arrays:
|
** Dummy bounds for variably dimensioned arrays:
|
*/
|
*/
|
#define dst_dummy_array_size 100
|
#define dst_dummy_array_size 100
|
|
|
|
|
/*
|
/*
|
** Reference to another item in the symbol table.
|
** Reference to another item in the symbol table.
|
**
|
**
|
** The value of a dst_rel_offset_t is the relative offset from the start of the
|
** The value of a dst_rel_offset_t is the relative offset from the start of the
|
** referencing record to the start of the referenced record, string, etc.
|
** referencing record to the start of the referenced record, string, etc.
|
**
|
**
|
** The value of a NIL dst_rel_offset_t is zero.
|
** The value of a NIL dst_rel_offset_t is zero.
|
*/
|
*/
|
|
|
typedef long dst_rel_offset_t ALIGNED1;
|
typedef long dst_rel_offset_t ALIGNED1;
|
|
|
|
|
/* FIXME: Here and many places we make assumptions about sizes of host
|
/* FIXME: Here and many places we make assumptions about sizes of host
|
data types, structure layout, etc. Only needs to be fixed if we care
|
data types, structure layout, etc. Only needs to be fixed if we care
|
about cross-debugging, though. */
|
about cross-debugging, though. */
|
|
|
/*
|
/*
|
** Section-relative reference.
|
** Section-relative reference.
|
**
|
**
|
** The section index field is an index into the local compilation unit's
|
** The section index field is an index into the local compilation unit's
|
** section table (see dst_rec_section_tab_t)--NOT into the object module
|
** section table (see dst_rec_section_tab_t)--NOT into the object module
|
** section table!
|
** section table!
|
**
|
**
|
** The sect_offset field is the offset in bytes into the section.
|
** The sect_offset field is the offset in bytes into the section.
|
**
|
**
|
** A NIL dst_sect_ref_t has a sect_index field of zero. Indexes originate
|
** A NIL dst_sect_ref_t has a sect_index field of zero. Indexes originate
|
** at one.
|
** at one.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short sect_index;
|
unsigned short sect_index;
|
unsigned long sect_offset ALIGNED1;
|
unsigned long sect_offset ALIGNED1;
|
}
|
}
|
dst_sect_ref_t;
|
dst_sect_ref_t;
|
|
|
#define dst_sect_index_nil 0
|
#define dst_sect_index_nil 0
|
#define dst_sect_index_origin 1
|
#define dst_sect_index_origin 1
|
|
|
|
|
/*
|
/*
|
** Source location descriptor.
|
** Source location descriptor.
|
**
|
**
|
** The file_index field is an index into the local compilation unit's
|
** The file_index field is an index into the local compilation unit's
|
** file table (see dst_rec_file_tab_t).
|
** file table (see dst_rec_file_tab_t).
|
**
|
**
|
** A NIL dst_src_loc_t has a file_index field of zero. Indexes originate
|
** A NIL dst_src_loc_t has a file_index field of zero. Indexes originate
|
** at one.
|
** at one.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
boolean reserved:1; /* reserved for future use */
|
boolean reserved:1; /* reserved for future use */
|
int file_index:11; /* index into .blocks source file list */
|
int file_index:11; /* index into .blocks source file list */
|
int line_number:20; /* source line number */
|
int line_number:20; /* source line number */
|
}
|
}
|
dst_src_loc_t;
|
dst_src_loc_t;
|
|
|
#define dst_file_index_nil 0
|
#define dst_file_index_nil 0
|
#define dst_file_index_origin 1
|
#define dst_file_index_origin 1
|
|
|
|
|
/*
|
/*
|
** Standard (primitive) type codes.
|
** Standard (primitive) type codes.
|
*/
|
*/
|
|
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_non_std_type,
|
dst_non_std_type,
|
dst_int8_type, /* 8 bit integer */
|
dst_int8_type, /* 8 bit integer */
|
dst_int16_type, /* 16 bit integer */
|
dst_int16_type, /* 16 bit integer */
|
dst_int32_type, /* 32 bit integer */
|
dst_int32_type, /* 32 bit integer */
|
dst_uint8_type, /* 8 bit unsigned integer */
|
dst_uint8_type, /* 8 bit unsigned integer */
|
dst_uint16_type, /* 16 bit unsigned integer */
|
dst_uint16_type, /* 16 bit unsigned integer */
|
dst_uint32_type, /* 32 bit unsigned integer */
|
dst_uint32_type, /* 32 bit unsigned integer */
|
dst_real32_type, /* single precision ieee floatining point */
|
dst_real32_type, /* single precision ieee floatining point */
|
dst_real64_type, /* double precision ieee floatining point */
|
dst_real64_type, /* double precision ieee floatining point */
|
dst_complex_type, /* single precision complex */
|
dst_complex_type, /* single precision complex */
|
dst_dcomplex_type, /* double precision complex */
|
dst_dcomplex_type, /* double precision complex */
|
dst_bool8_type, /* boolean =logical*1 */
|
dst_bool8_type, /* boolean =logical*1 */
|
dst_bool16_type, /* boolean =logical*2 */
|
dst_bool16_type, /* boolean =logical*2 */
|
dst_bool32_type, /* boolean =logical*4 */
|
dst_bool32_type, /* boolean =logical*4 */
|
dst_char_type, /* 8 bit ascii character */
|
dst_char_type, /* 8 bit ascii character */
|
dst_string_type, /* string of 8 bit ascii characters */
|
dst_string_type, /* string of 8 bit ascii characters */
|
dst_ptr_type, /* univ_pointer */
|
dst_ptr_type, /* univ_pointer */
|
dst_set_type, /* generic 256 bit set */
|
dst_set_type, /* generic 256 bit set */
|
dst_proc_type, /* generic procedure (signature not specified) */
|
dst_proc_type, /* generic procedure (signature not specified) */
|
dst_func_type, /* generic function (signature not specified) */
|
dst_func_type, /* generic function (signature not specified) */
|
dst_void_type, /* c void type */
|
dst_void_type, /* c void type */
|
dst_uchar_type, /* c unsigned char */
|
dst_uchar_type, /* c unsigned char */
|
dst_std_type_END_OF_ENUM
|
dst_std_type_END_OF_ENUM
|
}
|
}
|
dst_std_type_t;
|
dst_std_type_t;
|
|
|
|
|
/*
|
/*
|
** General data type descriptor
|
** General data type descriptor
|
**
|
**
|
** If the user_defined_type bit is clear, then the type is a standard type, and
|
** If the user_defined_type bit is clear, then the type is a standard type, and
|
** the remaining bits contain the dst_std_type_t of the type. If the bit is
|
** the remaining bits contain the dst_std_type_t of the type. If the bit is
|
** set, then the type is defined in a separate dst record, which is referenced
|
** set, then the type is defined in a separate dst record, which is referenced
|
** by the remaining bits as a dst_rel_offset_t.
|
** by the remaining bits as a dst_rel_offset_t.
|
*/
|
*/
|
|
|
typedef union
|
typedef union
|
{
|
{
|
struct
|
struct
|
{
|
{
|
boolean user_defined_type:1; /* tag field */
|
boolean user_defined_type:1; /* tag field */
|
int must_be_zero:23; /* 23 bits of pad */
|
int must_be_zero:23; /* 23 bits of pad */
|
dst_std_type_t dtc:8; /* 8 bit primitive data */
|
dst_std_type_t dtc:8; /* 8 bit primitive data */
|
}
|
}
|
std_type;
|
std_type;
|
|
|
struct
|
struct
|
{
|
{
|
boolean user_defined_type:1; /* tag field */
|
boolean user_defined_type:1; /* tag field */
|
int doffset:31; /* offset to type record */
|
int doffset:31; /* offset to type record */
|
}
|
}
|
user_type;
|
user_type;
|
}
|
}
|
dst_type_t ALIGNED1;
|
dst_type_t ALIGNED1;
|
|
|
/* The user_type.doffset field is a 31-bit signed value. Some versions of C
|
/* The user_type.doffset field is a 31-bit signed value. Some versions of C
|
do not support signed bit fields. The following macro will extract that
|
do not support signed bit fields. The following macro will extract that
|
field as a signed value:
|
field as a signed value:
|
*/
|
*/
|
#define dst_user_type_offset(type_rec) \
|
#define dst_user_type_offset(type_rec) \
|
( ((int) ((type_rec).user_type.doffset << 1)) >> 1 )
|
( ((int) ((type_rec).user_type.doffset << 1)) >> 1 )
|
|
|
|
|
/*================================================*/
|
/*================================================*/
|
/*========== RECORDS IN .blocks SECTION ==========*/
|
/*========== RECORDS IN .blocks SECTION ==========*/
|
/*================================================*/
|
/*================================================*/
|
|
|
/*-----------------------
|
/*-----------------------
|
COMPILATION UNIT record
|
COMPILATION UNIT record
|
-----------------------
|
-----------------------
|
This must be the first record in each .blocks section.
|
This must be the first record in each .blocks section.
|
Provides a set of information describing the output of a single compilation
|
Provides a set of information describing the output of a single compilation
|
and pointers to additional information for the compilation unit.
|
and pointers to additional information for the compilation unit.
|
*/
|
*/
|
|
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_pc_code_locs, /* ranges in loc strings are pc ranges */
|
dst_pc_code_locs, /* ranges in loc strings are pc ranges */
|
dst_comp_unit_END_OF_ENUM
|
dst_comp_unit_END_OF_ENUM
|
}
|
}
|
dst_comp_unit_flag_t;
|
dst_comp_unit_flag_t;
|
|
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_lang_unk, /* unknown language */
|
dst_lang_unk, /* unknown language */
|
dst_lang_pas, /* Pascal */
|
dst_lang_pas, /* Pascal */
|
dst_lang_ftn, /* FORTRAN */
|
dst_lang_ftn, /* FORTRAN */
|
dst_lang_c, /* C */
|
dst_lang_c, /* C */
|
dst_lang_mod2, /* Modula-2 */
|
dst_lang_mod2, /* Modula-2 */
|
dst_lang_asm_m68k, /* 68K assembly language */
|
dst_lang_asm_m68k, /* 68K assembly language */
|
dst_lang_asm_a88k, /* AT assembly language */
|
dst_lang_asm_a88k, /* AT assembly language */
|
dst_lang_ada, /* Ada */
|
dst_lang_ada, /* Ada */
|
dst_lang_cxx, /* C++ */
|
dst_lang_cxx, /* C++ */
|
dst_lang_END_OF_ENUM
|
dst_lang_END_OF_ENUM
|
}
|
}
|
dst_lang_type_t;
|
dst_lang_type_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
struct
|
struct
|
{
|
{
|
unsigned char major_part; /* = dst_version_major */
|
unsigned char major_part; /* = dst_version_major */
|
unsigned char minor_part; /* = dst_version_minor */
|
unsigned char minor_part; /* = dst_version_minor */
|
}
|
}
|
version; /* version of dst */
|
version; /* version of dst */
|
unsigned short flags; /* mask of dst_comp_unit_flag_t */
|
unsigned short flags; /* mask of dst_comp_unit_flag_t */
|
unsigned short lang_type; /* source language */
|
unsigned short lang_type; /* source language */
|
unsigned short number_of_blocks; /* number of blocks records */
|
unsigned short number_of_blocks; /* number of blocks records */
|
dst_rel_offset_t root_block_offset; /* offset to root block (module?) */
|
dst_rel_offset_t root_block_offset; /* offset to root block (module?) */
|
dst_rel_offset_t section_table /* offset to section table record */ ;
|
dst_rel_offset_t section_table /* offset to section table record */ ;
|
dst_rel_offset_t file_table; /* offset to file table record */
|
dst_rel_offset_t file_table; /* offset to file table record */
|
unsigned long data_size; /* total size of .blocks data */
|
unsigned long data_size; /* total size of .blocks data */
|
}
|
}
|
dst_rec_comp_unit_t ALIGNED1;
|
dst_rec_comp_unit_t ALIGNED1;
|
|
|
|
|
/*--------------------
|
/*--------------------
|
SECTION TABLE record
|
SECTION TABLE record
|
--------------------
|
--------------------
|
There must be one section table associated with each compilation unit.
|
There must be one section table associated with each compilation unit.
|
Other debug records refer to sections via their index in this table. The
|
Other debug records refer to sections via their index in this table. The
|
section base addresses in the table are virtual addresses of the sections,
|
section base addresses in the table are virtual addresses of the sections,
|
relocated by the linker.
|
relocated by the linker.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short number_of_sections; /* size of array: */
|
unsigned short number_of_sections; /* size of array: */
|
unsigned long section_base[dst_dummy_array_size] ALIGNED1;
|
unsigned long section_base[dst_dummy_array_size] ALIGNED1;
|
}
|
}
|
dst_rec_section_tab_t ALIGNED1;
|
dst_rec_section_tab_t ALIGNED1;
|
|
|
|
|
/*-----------------
|
/*-----------------
|
FILE TABLE record
|
FILE TABLE record
|
-----------------
|
-----------------
|
There must be one file table associated with each compilation unit describing
|
There must be one file table associated with each compilation unit describing
|
the source (and include) files used by each compilation unit. Other debug
|
the source (and include) files used by each compilation unit. Other debug
|
records refer to files via their index in this table. The first entry is the
|
records refer to files via their index in this table. The first entry is the
|
primary source file.
|
primary source file.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
long dtm; /* time last modified (time_$clock_t) */
|
long dtm; /* time last modified (time_$clock_t) */
|
dst_rel_offset_t noffset; /* offset to name string for source file */
|
dst_rel_offset_t noffset; /* offset to name string for source file */
|
}
|
}
|
dst_file_desc_t;
|
dst_file_desc_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short number_of_files; /* size of array: */
|
unsigned short number_of_files; /* size of array: */
|
dst_file_desc_t files[dst_dummy_array_size] ALIGNED1;
|
dst_file_desc_t files[dst_dummy_array_size] ALIGNED1;
|
}
|
}
|
dst_rec_file_tab_t ALIGNED1;
|
dst_rec_file_tab_t ALIGNED1;
|
|
|
|
|
/*-----------------
|
/*-----------------
|
NAME TABLE record
|
NAME TABLE record
|
-----------------
|
-----------------
|
A name table record may appear as an auxiliary record to the file table,
|
A name table record may appear as an auxiliary record to the file table,
|
providing additional qualification of the file indexes for languages that
|
providing additional qualification of the file indexes for languages that
|
need it (i.e. Ada). Name table entries parallel file table entries of the
|
need it (i.e. Ada). Name table entries parallel file table entries of the
|
same file index.
|
same file index.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short number_of_names; /* size of array: */
|
unsigned short number_of_names; /* size of array: */
|
dst_rel_offset_t names[dst_dummy_array_size] ALIGNED1;
|
dst_rel_offset_t names[dst_dummy_array_size] ALIGNED1;
|
}
|
}
|
dst_rec_name_tab_t ALIGNED1;
|
dst_rec_name_tab_t ALIGNED1;
|
|
|
|
|
/*--------------
|
/*--------------
|
BLOCK record
|
BLOCK record
|
--------------
|
--------------
|
Describes a lexical program block--a procedure, function, module, etc.
|
Describes a lexical program block--a procedure, function, module, etc.
|
*/
|
*/
|
|
|
/* Block types. These may be used in any way desired by the compiler writers.
|
/* Block types. These may be used in any way desired by the compiler writers.
|
The debugger uses them only to give a description to the user of the type of
|
The debugger uses them only to give a description to the user of the type of
|
a block. The debugger makes no other assumptions about the meaning of any
|
a block. The debugger makes no other assumptions about the meaning of any
|
of these. For example, the fact that a block is executable (e.g., program)
|
of these. For example, the fact that a block is executable (e.g., program)
|
or not (e.g., module) is expressed in block attributes (see below), not
|
or not (e.g., module) is expressed in block attributes (see below), not
|
guessed at from the block type.
|
guessed at from the block type.
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_block_module, /* some pascal = modula = ada types */
|
dst_block_module, /* some pascal = modula = ada types */
|
dst_block_program,
|
dst_block_program,
|
dst_block_procedure,
|
dst_block_procedure,
|
dst_block_function, /* C function */
|
dst_block_function, /* C function */
|
dst_block_subroutine, /* some fortran block types */
|
dst_block_subroutine, /* some fortran block types */
|
dst_block_block_data,
|
dst_block_block_data,
|
dst_block_stmt_function,
|
dst_block_stmt_function,
|
dst_block_package, /* a few particular to Ada */
|
dst_block_package, /* a few particular to Ada */
|
dst_block_package_body,
|
dst_block_package_body,
|
dst_block_subunit,
|
dst_block_subunit,
|
dst_block_task,
|
dst_block_task,
|
dst_block_file, /* a C outer scope? */
|
dst_block_file, /* a C outer scope? */
|
dst_block_class, /* C++ or Simula */
|
dst_block_class, /* C++ or Simula */
|
dst_block_END_OF_ENUM
|
dst_block_END_OF_ENUM
|
}
|
}
|
dst_block_type_t;
|
dst_block_type_t;
|
|
|
/* Block attributes. This is the information used by the debugger to represent
|
/* Block attributes. This is the information used by the debugger to represent
|
the semantics of blocks.
|
the semantics of blocks.
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_block_main_entry, /* the block's entry point is a main entry into
|
dst_block_main_entry, /* the block's entry point is a main entry into
|
the compilation unit */
|
the compilation unit */
|
dst_block_executable, /* the block has an entry point */
|
dst_block_executable, /* the block has an entry point */
|
dst_block_attr_END_OF_ENUM
|
dst_block_attr_END_OF_ENUM
|
}
|
}
|
dst_block_attr_t;
|
dst_block_attr_t;
|
|
|
/* Code range. Each block has associated with it one or more code ranges. An
|
/* Code range. Each block has associated with it one or more code ranges. An
|
individual code range is identified by a range of source (possibly nil) and
|
individual code range is identified by a range of source (possibly nil) and
|
a range of executable code. For example, a block which has its executable
|
a range of executable code. For example, a block which has its executable
|
code spread over multiple sections will have one code range per section.
|
code spread over multiple sections will have one code range per section.
|
*/
|
*/
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned long code_size; /* size of executable code (in bytes ) */
|
unsigned long code_size; /* size of executable code (in bytes ) */
|
dst_sect_ref_t code_start; /* starting address of executable code */
|
dst_sect_ref_t code_start; /* starting address of executable code */
|
dst_sect_ref_t lines_start; /* start of line number tables */
|
dst_sect_ref_t lines_start; /* start of line number tables */
|
}
|
}
|
dst_code_range_t;
|
dst_code_range_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_block_type_t block_type:8;
|
dst_block_type_t block_type:8;
|
unsigned short flags:8; /* mask of dst_block_attr_t flags */
|
unsigned short flags:8; /* mask of dst_block_attr_t flags */
|
dst_rel_offset_t sibling_block_off; /* offset to next sibling block */
|
dst_rel_offset_t sibling_block_off; /* offset to next sibling block */
|
dst_rel_offset_t child_block_off; /* offset to first contained block */
|
dst_rel_offset_t child_block_off; /* offset to first contained block */
|
dst_rel_offset_t noffset; /* offset to block name string */
|
dst_rel_offset_t noffset; /* offset to block name string */
|
dst_sect_ref_t symbols_start; /* start of debug symbols */
|
dst_sect_ref_t symbols_start; /* start of debug symbols */
|
unsigned short n_of_code_ranges; /* size of array... */
|
unsigned short n_of_code_ranges; /* size of array... */
|
dst_code_range_t code_ranges[dst_dummy_array_size] ALIGNED1;
|
dst_code_range_t code_ranges[dst_dummy_array_size] ALIGNED1;
|
}
|
}
|
dst_rec_block_t ALIGNED1;
|
dst_rec_block_t ALIGNED1;
|
|
|
|
|
/*--------------------------
|
/*--------------------------
|
AUX SECT INFO TABLE record
|
AUX SECT INFO TABLE record
|
--------------------------
|
--------------------------
|
Appears as an auxiliary to a block record. Expands code range information
|
Appears as an auxiliary to a block record. Expands code range information
|
by providing references into additional, language-dependent sections for
|
by providing references into additional, language-dependent sections for
|
information related to specific code ranges of the block. Sect info table
|
information related to specific code ranges of the block. Sect info table
|
entries parallel code range array entries of the same index.
|
entries parallel code range array entries of the same index.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned char tag; /* currently can only be zero */
|
unsigned char tag; /* currently can only be zero */
|
unsigned char number_of_refs; /* size of array: */
|
unsigned char number_of_refs; /* size of array: */
|
dst_sect_ref_t refs[dst_dummy_array_size] ALIGNED1;
|
dst_sect_ref_t refs[dst_dummy_array_size] ALIGNED1;
|
}
|
}
|
dst_rec_sect_info_tab_t ALIGNED1;
|
dst_rec_sect_info_tab_t ALIGNED1;
|
|
|
/*=================================================*/
|
/*=================================================*/
|
/*========== RECORDS IN .symbols SECTION ==========*/
|
/*========== RECORDS IN .symbols SECTION ==========*/
|
/*=================================================*/
|
/*=================================================*/
|
|
|
/*-----------------
|
/*-----------------
|
CONSTANT record
|
CONSTANT record
|
-----------------
|
-----------------
|
Describes a symbolic constant.
|
Describes a symbolic constant.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
float r; /* real part */
|
float r; /* real part */
|
float i; /* imaginary part */
|
float i; /* imaginary part */
|
}
|
}
|
dst_complex_t;
|
dst_complex_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
double dr; /* real part */
|
double dr; /* real part */
|
double di; /* imaginary part */
|
double di; /* imaginary part */
|
}
|
}
|
dst_double_complex_t;
|
dst_double_complex_t;
|
|
|
/* The following record provides a way of describing constant values with
|
/* The following record provides a way of describing constant values with
|
non-standard type and no limit on size.
|
non-standard type and no limit on size.
|
*/
|
*/
|
typedef union
|
typedef union
|
{
|
{
|
char char_data[dst_dummy_array_size];
|
char char_data[dst_dummy_array_size];
|
short int_data[dst_dummy_array_size];
|
short int_data[dst_dummy_array_size];
|
long long_data[dst_dummy_array_size];
|
long long_data[dst_dummy_array_size];
|
}
|
}
|
dst_big_kon_t;
|
dst_big_kon_t;
|
|
|
/* Representation of the value of a general constant.
|
/* Representation of the value of a general constant.
|
*/
|
*/
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short length; /* size of constant value (bytes) */
|
unsigned short length; /* size of constant value (bytes) */
|
|
|
union
|
union
|
{
|
{
|
unsigned short kon_int8;
|
unsigned short kon_int8;
|
short kon_int16;
|
short kon_int16;
|
long kon_int32 ALIGNED1;
|
long kon_int32 ALIGNED1;
|
float kon_real ALIGNED1;
|
float kon_real ALIGNED1;
|
double kon_dbl ALIGNED1;
|
double kon_dbl ALIGNED1;
|
dst_complex_t kon_cplx ALIGNED1;
|
dst_complex_t kon_cplx ALIGNED1;
|
dst_double_complex_t kon_dcplx ALIGNED1;
|
dst_double_complex_t kon_dcplx ALIGNED1;
|
char kon_char;
|
char kon_char;
|
dst_big_kon_t kon ALIGNED1;
|
dst_big_kon_t kon ALIGNED1;
|
}
|
}
|
val; /* value data of constant */
|
val; /* value data of constant */
|
}
|
}
|
dst_const_t ALIGNED1;
|
dst_const_t ALIGNED1;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of const definition */
|
dst_src_loc_t src_loc; /* file/line of const definition */
|
dst_type_t type_desc; /* type of this (manifest) constant */
|
dst_type_t type_desc; /* type of this (manifest) constant */
|
dst_const_t value;
|
dst_const_t value;
|
}
|
}
|
dst_rec_const_t ALIGNED1;
|
dst_rec_const_t ALIGNED1;
|
|
|
/*----------------
|
/*----------------
|
VARIABLE record
|
VARIABLE record
|
----------------
|
----------------
|
Describes a program variable.
|
Describes a program variable.
|
*/
|
*/
|
|
|
/* Variable attributes. These define certain variable semantics to the
|
/* Variable attributes. These define certain variable semantics to the
|
debugger.
|
debugger.
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_var_attr_read_only, /* is read-only (a program literal) */
|
dst_var_attr_read_only, /* is read-only (a program literal) */
|
dst_var_attr_volatile, /* same as compiler's VOLATILE attribute */
|
dst_var_attr_volatile, /* same as compiler's VOLATILE attribute */
|
dst_var_attr_global, /* is a global definition or reference */
|
dst_var_attr_global, /* is a global definition or reference */
|
dst_var_attr_compiler_gen, /* is compiler-generated */
|
dst_var_attr_compiler_gen, /* is compiler-generated */
|
dst_var_attr_static, /* has static location */
|
dst_var_attr_static, /* has static location */
|
dst_var_attr_END_OF_ENUM
|
dst_var_attr_END_OF_ENUM
|
}
|
}
|
dst_var_attr_t;
|
dst_var_attr_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t loffset; /* offset to loc string */
|
dst_rel_offset_t loffset; /* offset to loc string */
|
dst_src_loc_t src_loc; /* file/line of variable definition */
|
dst_src_loc_t src_loc; /* file/line of variable definition */
|
dst_type_t type_desc; /* type descriptor */
|
dst_type_t type_desc; /* type descriptor */
|
unsigned short attributes; /* mask of dst_var_attr_t flags */
|
unsigned short attributes; /* mask of dst_var_attr_t flags */
|
}
|
}
|
dst_rec_variable_t ALIGNED1;
|
dst_rec_variable_t ALIGNED1;
|
|
|
|
|
/*----------------
|
/*----------------
|
old VAR record
|
old VAR record
|
-----------------
|
-----------------
|
Used by older compilers to describe a variable
|
Used by older compilers to describe a variable
|
*/
|
*/
|
|
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_var_loc_unknown, /* Actually defined as "unknown" */
|
dst_var_loc_unknown, /* Actually defined as "unknown" */
|
dst_var_loc_abs, /* Absolute address */
|
dst_var_loc_abs, /* Absolute address */
|
dst_var_loc_sect_off, /* Absolute address as a section offset */
|
dst_var_loc_sect_off, /* Absolute address as a section offset */
|
dst_var_loc_ind_sect_off, /* An indexed section offset ???? */
|
dst_var_loc_ind_sect_off, /* An indexed section offset ???? */
|
dst_var_loc_reg, /* register */
|
dst_var_loc_reg, /* register */
|
dst_var_loc_reg_rel, /* register relative - usually fp */
|
dst_var_loc_reg_rel, /* register relative - usually fp */
|
dst_var_loc_ind_reg_rel, /* Indexed register relative */
|
dst_var_loc_ind_reg_rel, /* Indexed register relative */
|
dst_var_loc_ftn_ptr_based, /* Fortran pointer based */
|
dst_var_loc_ftn_ptr_based, /* Fortran pointer based */
|
dst_var_loc_pc_rel, /* PC relative. Really. */
|
dst_var_loc_pc_rel, /* PC relative. Really. */
|
dst_var_loc_external, /* External */
|
dst_var_loc_external, /* External */
|
dst_var_loc_END_OF_ENUM
|
dst_var_loc_END_OF_ENUM
|
}
|
}
|
dst_var_loc_t;
|
dst_var_loc_t;
|
|
|
/* Locations come in two versions. The sort, and the long. The difference
|
/* Locations come in two versions. The sort, and the long. The difference
|
* between the short and the long is the addition of a statement number
|
* between the short and the long is the addition of a statement number
|
* field to the start andend of the range of the long, and and unkown
|
* field to the start andend of the range of the long, and and unkown
|
* purpose field in the middle. Also, loc_type and loc_index aren't
|
* purpose field in the middle. Also, loc_type and loc_index aren't
|
* bitfields in the long version.
|
* bitfields in the long version.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short loc_type:4;
|
unsigned short loc_type:4;
|
unsigned short loc_index:12;
|
unsigned short loc_index:12;
|
long location;
|
long location;
|
short start_line; /* start_line and end_line? */
|
short start_line; /* start_line and end_line? */
|
short end_line; /* I'm guessing here. */
|
short end_line; /* I'm guessing here. */
|
}
|
}
|
dst_var_loc_short_t;
|
dst_var_loc_short_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short loc_type;
|
unsigned short loc_type;
|
unsigned short loc_index;
|
unsigned short loc_index;
|
long location;
|
long location;
|
short unknown; /* Always 0003 or 3b3c. Why? */
|
short unknown; /* Always 0003 or 3b3c. Why? */
|
short start_statement;
|
short start_statement;
|
short start_line;
|
short start_line;
|
short end_statement;
|
short end_statement;
|
short end_line;
|
short end_line;
|
}
|
}
|
dst_var_loc_long_t;
|
dst_var_loc_long_t;
|
|
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of description */
|
dst_src_loc_t src_loc; /* file/line of description */
|
dst_type_t type_desc; /* Type description */
|
dst_type_t type_desc; /* Type description */
|
unsigned short attributes; /* mask of dst_var_attr_t flags */
|
unsigned short attributes; /* mask of dst_var_attr_t flags */
|
unsigned short no_of_locs:15; /* Number of locations */
|
unsigned short no_of_locs:15; /* Number of locations */
|
unsigned short short_locs:1; /* True if short locations. */
|
unsigned short short_locs:1; /* True if short locations. */
|
union
|
union
|
{
|
{
|
dst_var_loc_short_t shorts[dst_dummy_array_size];
|
dst_var_loc_short_t shorts[dst_dummy_array_size];
|
dst_var_loc_long_t longs[dst_dummy_array_size];
|
dst_var_loc_long_t longs[dst_dummy_array_size];
|
}
|
}
|
locs;
|
locs;
|
}
|
}
|
dst_rec_var_t;
|
dst_rec_var_t;
|
|
|
/*----------------
|
/*----------------
|
old LABEL record
|
old LABEL record
|
-----------------
|
-----------------
|
Used by older compilers to describe a label
|
Used by older compilers to describe a label
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of description */
|
dst_src_loc_t src_loc; /* file/line of description */
|
char location[12]; /* location string */
|
char location[12]; /* location string */
|
}
|
}
|
dst_rec_old_label_t ALIGNED1;
|
dst_rec_old_label_t ALIGNED1;
|
|
|
/*----------------
|
/*----------------
|
POINTER record
|
POINTER record
|
----------------
|
----------------
|
Describes a pointer type.
|
Describes a pointer type.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to the name string for this type */
|
dst_rel_offset_t noffset; /* offset to the name string for this type */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_type_t type_desc; /* base type of this pointer */
|
dst_type_t type_desc; /* base type of this pointer */
|
}
|
}
|
dst_rec_pointer_t ALIGNED1;
|
dst_rec_pointer_t ALIGNED1;
|
|
|
|
|
/*-------------
|
/*-------------
|
ARRAY record
|
ARRAY record
|
-------------
|
-------------
|
Describes an array type.
|
Describes an array type.
|
|
|
Multidimensional arrays are described with a number of dst_rec_array_t
|
Multidimensional arrays are described with a number of dst_rec_array_t
|
records, one per array dimension, each linked to the next through the
|
records, one per array dimension, each linked to the next through the
|
elem_type_desc.doffset field. Each record must have its multi_dim flag
|
elem_type_desc.doffset field. Each record must have its multi_dim flag
|
set.
|
set.
|
|
|
If column_major is true (as with FORTRAN arrays) then the last array bound in
|
If column_major is true (as with FORTRAN arrays) then the last array bound in
|
the declaration is the first array index in memory, which is the opposite of
|
the declaration is the first array index in memory, which is the opposite of
|
the usual case (as with Pascal and C arrays).
|
the usual case (as with Pascal and C arrays).
|
|
|
Variable array bounds are described by auxiliary records; if aux_var_bound
|
Variable array bounds are described by auxiliary records; if aux_var_bound
|
records are present, the lo_bound and hi_bound fields of this record are
|
records are present, the lo_bound and hi_bound fields of this record are
|
ignored by the debugger.
|
ignored by the debugger.
|
|
|
span_comp identifies one of the language-dependent ways in which the distance
|
span_comp identifies one of the language-dependent ways in which the distance
|
between successive array elements (span) is calculated.
|
between successive array elements (span) is calculated.
|
dst_use_span_field -- the span is the value of span field.
|
dst_use_span_field -- the span is the value of span field.
|
dst_compute_from_prev -- the span is the size of the previous dimension.
|
dst_compute_from_prev -- the span is the size of the previous dimension.
|
dst_compute_from_next -- the span is the size of the next dimension.
|
dst_compute_from_next -- the span is the size of the next dimension.
|
In the latter two cases, the span field contains an amount of padding to add
|
In the latter two cases, the span field contains an amount of padding to add
|
to the size of the appropriate dimension to calculate the span.
|
to the size of the appropriate dimension to calculate the span.
|
*/
|
*/
|
|
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_use_span_field,
|
dst_use_span_field,
|
dst_compute_from_prev,
|
dst_compute_from_prev,
|
dst_compute_from_next,
|
dst_compute_from_next,
|
dst_span_comp_END_OF_ENUM
|
dst_span_comp_END_OF_ENUM
|
}
|
}
|
dst_span_comp_t;
|
dst_span_comp_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_type_t elem_type_desc; /* array element type */
|
dst_type_t elem_type_desc; /* array element type */
|
dst_type_t indx_type_desc; /* array index type */
|
dst_type_t indx_type_desc; /* array index type */
|
long lo_bound; /* lower bound of index */
|
long lo_bound; /* lower bound of index */
|
long hi_bound; /* upper bound of index */
|
long hi_bound; /* upper bound of index */
|
unsigned long span; /* see above */
|
unsigned long span; /* see above */
|
unsigned long size; /* total array size (bytes) */
|
unsigned long size; /* total array size (bytes) */
|
boolean multi_dim:1;
|
boolean multi_dim:1;
|
boolean is_packed:1; /* true if packed array */
|
boolean is_packed:1; /* true if packed array */
|
boolean is_signed:1; /* true if packed elements are signed */
|
boolean is_signed:1; /* true if packed elements are signed */
|
dst_span_comp_t span_comp:2; /* how to compute span */
|
dst_span_comp_t span_comp:2; /* how to compute span */
|
boolean column_major:1;
|
boolean column_major:1;
|
unsigned short reserved:2; /* must be zero */
|
unsigned short reserved:2; /* must be zero */
|
unsigned short elem_size:8; /* element size if packed (bits) */
|
unsigned short elem_size:8; /* element size if packed (bits) */
|
}
|
}
|
dst_rec_array_t ALIGNED1;
|
dst_rec_array_t ALIGNED1;
|
|
|
|
|
/*-----------------
|
/*-----------------
|
SUBRANGE record
|
SUBRANGE record
|
-----------------
|
-----------------
|
Describes a subrange type.
|
Describes a subrange type.
|
*/
|
*/
|
|
|
/* Variable subrange bounds are described by auxiliary records; if aux_var_bound
|
/* Variable subrange bounds are described by auxiliary records; if aux_var_bound
|
records are present, the lo_bound and hi_bound fields of this record are
|
records are present, the lo_bound and hi_bound fields of this record are
|
ignored by the debugger.
|
ignored by the debugger.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of subrange definition */
|
dst_src_loc_t src_loc; /* file/line of subrange definition */
|
dst_type_t type_desc; /* parent type */
|
dst_type_t type_desc; /* parent type */
|
long lo_bound; /* lower bound of subrange */
|
long lo_bound; /* lower bound of subrange */
|
long hi_bound; /* upper bound of subrange */
|
long hi_bound; /* upper bound of subrange */
|
unsigned short size; /* storage size (bytes) */
|
unsigned short size; /* storage size (bytes) */
|
}
|
}
|
dst_rec_subrange_t ALIGNED1;
|
dst_rec_subrange_t ALIGNED1;
|
|
|
|
|
/*---------------
|
/*---------------
|
STRING record
|
STRING record
|
---------------
|
---------------
|
Describes a string type.
|
Describes a string type.
|
*/
|
*/
|
|
|
/* Variable subrange bounds are described by auxiliary records; if aux_var_bound
|
/* Variable subrange bounds are described by auxiliary records; if aux_var_bound
|
records are present, the lo_bound and hi_bound fields of this record are
|
records are present, the lo_bound and hi_bound fields of this record are
|
ignored by the debugger.
|
ignored by the debugger.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of string definition */
|
dst_src_loc_t src_loc; /* file/line of string definition */
|
dst_type_t elem_type_desc; /* element type */
|
dst_type_t elem_type_desc; /* element type */
|
dst_type_t indx_type_desc; /* index type */
|
dst_type_t indx_type_desc; /* index type */
|
long lo_bound; /* lower bound */
|
long lo_bound; /* lower bound */
|
long hi_bound; /* upper bound */
|
long hi_bound; /* upper bound */
|
unsigned long size; /* total string size (bytes) if fixed */
|
unsigned long size; /* total string size (bytes) if fixed */
|
}
|
}
|
dst_rec_string_t ALIGNED1;
|
dst_rec_string_t ALIGNED1;
|
|
|
|
|
/*---------------
|
/*---------------
|
SET record
|
SET record
|
---------------
|
---------------
|
Describes a set type.
|
Describes a set type.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_type_t type_desc; /* element type */
|
dst_type_t type_desc; /* element type */
|
unsigned short nbits; /* number of bits in set */
|
unsigned short nbits; /* number of bits in set */
|
unsigned short size; /* storage size (bytes) */
|
unsigned short size; /* storage size (bytes) */
|
}
|
}
|
dst_rec_set_t ALIGNED1;
|
dst_rec_set_t ALIGNED1;
|
|
|
|
|
/*-----------------------------
|
/*-----------------------------
|
IMPLICIT ENUMERATION record
|
IMPLICIT ENUMERATION record
|
-----------------------------
|
-----------------------------
|
Describes an enumeration type with implicit element values = 0, 1, 2, ...
|
Describes an enumeration type with implicit element values = 0, 1, 2, ...
|
(Pascal-style).
|
(Pascal-style).
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
unsigned short nelems; /* number of elements in enumeration */
|
unsigned short nelems; /* number of elements in enumeration */
|
unsigned short size; /* storage size (bytes) */
|
unsigned short size; /* storage size (bytes) */
|
/* offsets to name strings of elements 0, 1, 2, ... */
|
/* offsets to name strings of elements 0, 1, 2, ... */
|
dst_rel_offset_t elem_noffsets[dst_dummy_array_size];
|
dst_rel_offset_t elem_noffsets[dst_dummy_array_size];
|
}
|
}
|
dst_rec_implicit_enum_t ALIGNED1;
|
dst_rec_implicit_enum_t ALIGNED1;
|
|
|
|
|
/*-----------------------------
|
/*-----------------------------
|
EXPLICIT ENUMERATION record
|
EXPLICIT ENUMERATION record
|
-----------------------------
|
-----------------------------
|
Describes an enumeration type with explicitly assigned element values
|
Describes an enumeration type with explicitly assigned element values
|
(C-style).
|
(C-style).
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to element name string */
|
dst_rel_offset_t noffset; /* offset to element name string */
|
long value; /* element value */
|
long value; /* element value */
|
}
|
}
|
dst_enum_elem_t;
|
dst_enum_elem_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
unsigned short nelems; /* number of elements in enumeration */
|
unsigned short nelems; /* number of elements in enumeration */
|
unsigned short size; /* storage size (bytes) */
|
unsigned short size; /* storage size (bytes) */
|
/* name/value pairs, one describing each enumeration value: */
|
/* name/value pairs, one describing each enumeration value: */
|
dst_enum_elem_t elems[dst_dummy_array_size];
|
dst_enum_elem_t elems[dst_dummy_array_size];
|
}
|
}
|
dst_rec_explicit_enum_t ALIGNED1;
|
dst_rec_explicit_enum_t ALIGNED1;
|
|
|
|
|
/*-----------------------
|
/*-----------------------
|
RECORD / UNION record
|
RECORD / UNION record
|
-----------------------
|
-----------------------
|
Describes a record (struct) or union.
|
Describes a record (struct) or union.
|
|
|
If the record is larger than 2**16 bytes then an attached aux record
|
If the record is larger than 2**16 bytes then an attached aux record
|
specifies its size. Also, if the record is stored in short form then
|
specifies its size. Also, if the record is stored in short form then
|
attached records specify field offsets larger than 2**16 bytes.
|
attached records specify field offsets larger than 2**16 bytes.
|
|
|
Whether the fields[] array or sfields[] array is used is selected by
|
Whether the fields[] array or sfields[] array is used is selected by
|
the dst_rec_type_t of the overall dst record.
|
the dst_rec_type_t of the overall dst record.
|
*/
|
*/
|
|
|
/*
|
/*
|
Record field descriptor, short form. This form handles only fields which
|
Record field descriptor, short form. This form handles only fields which
|
are an even number of bytes long, located some number of bytes from the
|
are an even number of bytes long, located some number of bytes from the
|
start of the record.
|
start of the record.
|
*/
|
*/
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to field name string */
|
dst_rel_offset_t noffset; /* offset to field name string */
|
dst_type_t type_desc; /* field type */
|
dst_type_t type_desc; /* field type */
|
unsigned short foffset; /* field offset from start of record (bytes) */
|
unsigned short foffset; /* field offset from start of record (bytes) */
|
}
|
}
|
dst_short_field_t ALIGNED1;
|
dst_short_field_t ALIGNED1;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_type_t type_desc; /* field type */
|
dst_type_t type_desc; /* field type */
|
unsigned short foffset; /* byte offset */
|
unsigned short foffset; /* byte offset */
|
unsigned short is_packed:1; /* True if field is packed */
|
unsigned short is_packed:1; /* True if field is packed */
|
unsigned short bit_offset:6; /* Bit offset */
|
unsigned short bit_offset:6; /* Bit offset */
|
unsigned short size:6; /* Size in bits */
|
unsigned short size:6; /* Size in bits */
|
unsigned short sign:1; /* True if signed */
|
unsigned short sign:1; /* True if signed */
|
unsigned short pad:2; /* Padding. Must be 0 */
|
unsigned short pad:2; /* Padding. Must be 0 */
|
}
|
}
|
dst_old_field_t ALIGNED1;
|
dst_old_field_t ALIGNED1;
|
|
|
/* Tag enumeration for long record field descriptor:
|
/* Tag enumeration for long record field descriptor:
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_field_byte,
|
dst_field_byte,
|
dst_field_bit,
|
dst_field_bit,
|
dst_field_loc,
|
dst_field_loc,
|
dst_field_END_OF_ENUM
|
dst_field_END_OF_ENUM
|
}
|
}
|
dst_field_format_t;
|
dst_field_format_t;
|
|
|
/*
|
/*
|
Record field descriptor, long form. The format of the field information
|
Record field descriptor, long form. The format of the field information
|
is identified by the format_tag, which contains one of the above values.
|
is identified by the format_tag, which contains one of the above values.
|
The field_byte variant is equivalent to the short form of field descriptor.
|
The field_byte variant is equivalent to the short form of field descriptor.
|
The field_bit variant handles fields which are any number of bits long,
|
The field_bit variant handles fields which are any number of bits long,
|
located some number of bits from the start of the record. The field_loc
|
located some number of bits from the start of the record. The field_loc
|
variant allows the location of the field to be described by a general loc
|
variant allows the location of the field to be described by a general loc
|
string.
|
string.
|
*/
|
*/
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name of field */
|
dst_rel_offset_t noffset; /* offset to name of field */
|
dst_type_t type_desc; /* type of field */
|
dst_type_t type_desc; /* type of field */
|
union
|
union
|
{
|
{
|
struct
|
struct
|
{
|
{
|
dst_field_format_t format_tag:2; /* dst_field_byte */
|
dst_field_format_t format_tag:2; /* dst_field_byte */
|
unsigned long offset:30; /* offset of field in bytes */
|
unsigned long offset:30; /* offset of field in bytes */
|
}
|
}
|
field_byte ALIGNED1;
|
field_byte ALIGNED1;
|
struct
|
struct
|
{
|
{
|
dst_field_format_t format_tag:2; /* dst_field_bit */
|
dst_field_format_t format_tag:2; /* dst_field_bit */
|
unsigned long nbits:6; /* bit size of field */
|
unsigned long nbits:6; /* bit size of field */
|
unsigned long is_signed:1; /* signed/unsigned attribute */
|
unsigned long is_signed:1; /* signed/unsigned attribute */
|
unsigned long bit_offset:3; /* bit offset from byte boundary */
|
unsigned long bit_offset:3; /* bit offset from byte boundary */
|
int pad:4; /* must be zero */
|
int pad:4; /* must be zero */
|
unsigned short byte_offset; /* offset of byte boundary */
|
unsigned short byte_offset; /* offset of byte boundary */
|
}
|
}
|
field_bit ALIGNED1;
|
field_bit ALIGNED1;
|
struct
|
struct
|
{
|
{
|
dst_field_format_t format_tag:2; /* dst_field_loc */
|
dst_field_format_t format_tag:2; /* dst_field_loc */
|
int loffset:30; /* dst_rel_offset_t to loc string */
|
int loffset:30; /* dst_rel_offset_t to loc string */
|
}
|
}
|
field_loc ALIGNED1;
|
field_loc ALIGNED1;
|
}
|
}
|
f ALIGNED1;
|
f ALIGNED1;
|
}
|
}
|
dst_field_t;
|
dst_field_t;
|
|
|
/* The field_loc.loffset field is a 30-bit signed value. Some versions of C do
|
/* The field_loc.loffset field is a 30-bit signed value. Some versions of C do
|
not support signed bit fields. The following macro will extract that field
|
not support signed bit fields. The following macro will extract that field
|
as a signed value:
|
as a signed value:
|
*/
|
*/
|
#define dst_field_loffset(field_rec) \
|
#define dst_field_loffset(field_rec) \
|
( ((int) ((field_rec).f.field_loc.loffset << 2)) >> 2 )
|
( ((int) ((field_rec).f.field_loc.loffset << 2)) >> 2 )
|
|
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to record name string */
|
dst_rel_offset_t noffset; /* offset to record name string */
|
dst_src_loc_t src_loc; /* file/line where this record is defined */
|
dst_src_loc_t src_loc; /* file/line where this record is defined */
|
unsigned short size; /* storage size (bytes) */
|
unsigned short size; /* storage size (bytes) */
|
unsigned short nfields; /* number of fields in this record */
|
unsigned short nfields; /* number of fields in this record */
|
union
|
union
|
{
|
{
|
dst_field_t fields[dst_dummy_array_size];
|
dst_field_t fields[dst_dummy_array_size];
|
dst_short_field_t sfields[dst_dummy_array_size];
|
dst_short_field_t sfields[dst_dummy_array_size];
|
dst_old_field_t ofields[dst_dummy_array_size];
|
dst_old_field_t ofields[dst_dummy_array_size];
|
}
|
}
|
f; /* array of fields */
|
f; /* array of fields */
|
}
|
}
|
dst_rec_record_t ALIGNED1;
|
dst_rec_record_t ALIGNED1;
|
|
|
|
|
/*-------------
|
/*-------------
|
FILE record
|
FILE record
|
-------------
|
-------------
|
Describes a file type.
|
Describes a file type.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line where type was defined */
|
dst_src_loc_t src_loc; /* file/line where type was defined */
|
dst_type_t type_desc; /* file element type */
|
dst_type_t type_desc; /* file element type */
|
}
|
}
|
dst_rec_file_t ALIGNED1;
|
dst_rec_file_t ALIGNED1;
|
|
|
|
|
/*---------------
|
/*---------------
|
OFFSET record
|
OFFSET record
|
---------------
|
---------------
|
Describes a Pascal offset type.
|
Describes a Pascal offset type.
|
(This type, an undocumented Domain Pascal extension, is currently not
|
(This type, an undocumented Domain Pascal extension, is currently not
|
supported by the debugger)
|
supported by the debugger)
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to the name string */
|
dst_rel_offset_t noffset; /* offset to the name string */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_type_t area_type_desc; /* area type */
|
dst_type_t area_type_desc; /* area type */
|
dst_type_t base_type_desc; /* base type */
|
dst_type_t base_type_desc; /* base type */
|
long lo_bound; /* low bound of the offset range */
|
long lo_bound; /* low bound of the offset range */
|
long hi_bound; /* high bound of the offset range */
|
long hi_bound; /* high bound of the offset range */
|
long bias; /* bias */
|
long bias; /* bias */
|
unsigned short scale; /* scale factor */
|
unsigned short scale; /* scale factor */
|
unsigned short size; /* storage size (bytes) */
|
unsigned short size; /* storage size (bytes) */
|
}
|
}
|
dst_rec_offset_t ALIGNED1;
|
dst_rec_offset_t ALIGNED1;
|
|
|
|
|
/*--------------
|
/*--------------
|
ALIAS record
|
ALIAS record
|
--------------
|
--------------
|
Describes a type alias (e.g., typedef).
|
Describes a type alias (e.g., typedef).
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_type_t type_desc; /* parent type */
|
dst_type_t type_desc; /* parent type */
|
}
|
}
|
dst_rec_alias_t ALIGNED1;
|
dst_rec_alias_t ALIGNED1;
|
|
|
|
|
/*------------------
|
/*------------------
|
SIGNATURE record
|
SIGNATURE record
|
------------------
|
------------------
|
Describes a procedure/function type.
|
Describes a procedure/function type.
|
*/
|
*/
|
|
|
/* Enumeration of argument semantics. Note that most are mutually
|
/* Enumeration of argument semantics. Note that most are mutually
|
exclusive.
|
exclusive.
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_arg_attr_val, /* passed by value */
|
dst_arg_attr_val, /* passed by value */
|
dst_arg_attr_ref, /* passed by reference */
|
dst_arg_attr_ref, /* passed by reference */
|
dst_arg_attr_name, /* passed by name */
|
dst_arg_attr_name, /* passed by name */
|
dst_arg_attr_in, /* readable in the callee */
|
dst_arg_attr_in, /* readable in the callee */
|
dst_arg_attr_out, /* writable in the callee */
|
dst_arg_attr_out, /* writable in the callee */
|
dst_arg_attr_hidden, /* not visible in the caller */
|
dst_arg_attr_hidden, /* not visible in the caller */
|
dst_arg_attr_END_OF_ENUM
|
dst_arg_attr_END_OF_ENUM
|
}
|
}
|
dst_arg_attr_t;
|
dst_arg_attr_t;
|
|
|
/* Argument descriptor. Actually points to a variable record for most of the
|
/* Argument descriptor. Actually points to a variable record for most of the
|
information.
|
information.
|
*/
|
*/
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t var_offset; /* offset to variable record */
|
dst_rel_offset_t var_offset; /* offset to variable record */
|
unsigned short attributes; /* a mask of dst_arg_attr_t flags */
|
unsigned short attributes; /* a mask of dst_arg_attr_t flags */
|
}
|
}
|
dst_arg_t ALIGNED1;
|
dst_arg_t ALIGNED1;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_rel_offset_t noffset; /* offset to name string */
|
dst_src_loc_t src_loc; /* file/line of function definition */
|
dst_src_loc_t src_loc; /* file/line of function definition */
|
dst_rel_offset_t result; /* offset to function result variable record */
|
dst_rel_offset_t result; /* offset to function result variable record */
|
unsigned short nargs; /* number of arguments */
|
unsigned short nargs; /* number of arguments */
|
dst_arg_t args[dst_dummy_array_size];
|
dst_arg_t args[dst_dummy_array_size];
|
}
|
}
|
dst_rec_signature_t ALIGNED1;
|
dst_rec_signature_t ALIGNED1;
|
|
|
/*--------------
|
/*--------------
|
SCOPE record
|
SCOPE record
|
--------------
|
--------------
|
Obsolete. Use the new ENTRY type instead.
|
Obsolete. Use the new ENTRY type instead.
|
Old compilers may put this in as the first entry in a function,
|
Old compilers may put this in as the first entry in a function,
|
terminated by an end of scope entry.
|
terminated by an end of scope entry.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* Name offset */
|
dst_rel_offset_t noffset; /* Name offset */
|
dst_src_loc_t start_line; /* Starting line */
|
dst_src_loc_t start_line; /* Starting line */
|
dst_src_loc_t end_line; /* Ending line */
|
dst_src_loc_t end_line; /* Ending line */
|
}
|
}
|
dst_rec_scope_t ALIGNED1;
|
dst_rec_scope_t ALIGNED1;
|
|
|
/*--------------
|
/*--------------
|
ENTRY record
|
ENTRY record
|
--------------
|
--------------
|
Describes a procedure/function entry point. An entry record is to a
|
Describes a procedure/function entry point. An entry record is to a
|
signature record roughly as a variable record is to a type descriptor record.
|
signature record roughly as a variable record is to a type descriptor record.
|
|
|
The entry_number field is keyed to the entry numbers in .lines -- the
|
The entry_number field is keyed to the entry numbers in .lines -- the
|
debugger locates the code location of an entry by searching the line
|
debugger locates the code location of an entry by searching the line
|
number table for an entry numbered with the value of entry_number. The
|
number table for an entry numbered with the value of entry_number. The
|
main entry is numbered zero.
|
main entry is numbered zero.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to entry name string */
|
dst_rel_offset_t noffset; /* offset to entry name string */
|
dst_rel_offset_t loffset; /* where to jump to call this entry */
|
dst_rel_offset_t loffset; /* where to jump to call this entry */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_rel_offset_t sig_desc; /* offset to signature descriptor */
|
dst_rel_offset_t sig_desc; /* offset to signature descriptor */
|
unsigned int entry_number:8;
|
unsigned int entry_number:8;
|
int pad:8; /* must be zero */
|
int pad:8; /* must be zero */
|
}
|
}
|
dst_rec_entry_t ALIGNED1;
|
dst_rec_entry_t ALIGNED1;
|
|
|
/*-----------------------
|
/*-----------------------
|
Old format ENTRY record
|
Old format ENTRY record
|
-----------------------
|
-----------------------
|
Supposedly obsolete but still used by some compilers.
|
Supposedly obsolete but still used by some compilers.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* Offset to entry name string */
|
dst_rel_offset_t noffset; /* Offset to entry name string */
|
dst_src_loc_t src_loc; /* Location in source */
|
dst_src_loc_t src_loc; /* Location in source */
|
dst_rel_offset_t sig_desc; /* Signature description */
|
dst_rel_offset_t sig_desc; /* Signature description */
|
char unknown[36];
|
char unknown[36];
|
}
|
}
|
dst_rec_old_entry_t ALIGNED1;
|
dst_rec_old_entry_t ALIGNED1;
|
|
|
/*--------------
|
/*--------------
|
LABEL record
|
LABEL record
|
--------------
|
--------------
|
Describes a program label.
|
Describes a program label.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t noffset; /* offset to label string */
|
dst_rel_offset_t noffset; /* offset to label string */
|
dst_rel_offset_t loffset; /* offset to loc string */
|
dst_rel_offset_t loffset; /* offset to loc string */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
dst_src_loc_t src_loc; /* file/line of definition */
|
}
|
}
|
dst_rec_label_t ALIGNED1;
|
dst_rec_label_t ALIGNED1;
|
|
|
|
|
/*-----------------------
|
/*-----------------------
|
AUXILIARY SIZE record
|
AUXILIARY SIZE record
|
-----------------------
|
-----------------------
|
May appear in the auxiliary record list of any type or variable record to
|
May appear in the auxiliary record list of any type or variable record to
|
modify the default size of the type or variable.
|
modify the default size of the type or variable.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned long size; /* size (bytes) */
|
unsigned long size; /* size (bytes) */
|
}
|
}
|
dst_rec_aux_size_t ALIGNED1;
|
dst_rec_aux_size_t ALIGNED1;
|
|
|
|
|
/*-----------------------
|
/*-----------------------
|
AUXILIARY ALIGN record
|
AUXILIARY ALIGN record
|
-----------------------
|
-----------------------
|
May appear in the auxiliary record list of any type or variable record to
|
May appear in the auxiliary record list of any type or variable record to
|
modify the default alignment of the type or variable.
|
modify the default alignment of the type or variable.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short alignment; /* # of low order zero bits */
|
unsigned short alignment; /* # of low order zero bits */
|
}
|
}
|
dst_rec_aux_align_t ALIGNED1;
|
dst_rec_aux_align_t ALIGNED1;
|
|
|
|
|
/*-----------------------------
|
/*-----------------------------
|
AUXILIARY FIELD SIZE record
|
AUXILIARY FIELD SIZE record
|
-----------------------------
|
-----------------------------
|
May appear in the auxiliary record list of any RECORD/UNION record to
|
May appear in the auxiliary record list of any RECORD/UNION record to
|
modify the default size of a field.
|
modify the default size of a field.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short field_no; /* field number */
|
unsigned short field_no; /* field number */
|
unsigned long size; /* size (bits) */
|
unsigned long size; /* size (bits) */
|
}
|
}
|
dst_rec_aux_field_size_t ALIGNED1;
|
dst_rec_aux_field_size_t ALIGNED1;
|
|
|
|
|
|
|
/*-----------------------------
|
/*-----------------------------
|
AUXILIARY FIELD OFFSET record
|
AUXILIARY FIELD OFFSET record
|
-----------------------------
|
-----------------------------
|
May appear in the auxiliary record list of any RECORD/UNION record to
|
May appear in the auxiliary record list of any RECORD/UNION record to
|
specify a field offset larger than 2**16.
|
specify a field offset larger than 2**16.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short field_no; /* field number */
|
unsigned short field_no; /* field number */
|
unsigned long foffset; /* offset */
|
unsigned long foffset; /* offset */
|
}
|
}
|
dst_rec_aux_field_off_t ALIGNED1;
|
dst_rec_aux_field_off_t ALIGNED1;
|
|
|
|
|
/*-----------------------------
|
/*-----------------------------
|
AUXILIARY FIELD ALIGN record
|
AUXILIARY FIELD ALIGN record
|
-----------------------------
|
-----------------------------
|
May appear in the auxiliary record list of any RECORD/UNION record to
|
May appear in the auxiliary record list of any RECORD/UNION record to
|
modify the default alignment of a field.
|
modify the default alignment of a field.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short field_no; /* field number */
|
unsigned short field_no; /* field number */
|
unsigned short alignment; /* number of low order zero bits */
|
unsigned short alignment; /* number of low order zero bits */
|
}
|
}
|
dst_rec_aux_field_align_t ALIGNED1;
|
dst_rec_aux_field_align_t ALIGNED1;
|
|
|
|
|
/*----------------------------
|
/*----------------------------
|
AUXILIARY VAR BOUND record
|
AUXILIARY VAR BOUND record
|
----------------------------
|
----------------------------
|
May appear in the auxiliary record list of any ARRAY, SUBRANGE or STRING
|
May appear in the auxiliary record list of any ARRAY, SUBRANGE or STRING
|
record to describe a variable bound for the range of the type.
|
record to describe a variable bound for the range of the type.
|
*/
|
*/
|
|
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_low_bound, /* the low bound is variable */
|
dst_low_bound, /* the low bound is variable */
|
dst_high_bound, /* the high bound is variable */
|
dst_high_bound, /* the high bound is variable */
|
dst_var_bound_END_OF_ENUM
|
dst_var_bound_END_OF_ENUM
|
}
|
}
|
dst_var_bound_t;
|
dst_var_bound_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short which; /* which bound */
|
unsigned short which; /* which bound */
|
dst_rel_offset_t voffset ALIGNED1; /* variable that defines bound */
|
dst_rel_offset_t voffset ALIGNED1; /* variable that defines bound */
|
}
|
}
|
dst_rec_aux_var_bound_t ALIGNED1;
|
dst_rec_aux_var_bound_t ALIGNED1;
|
|
|
|
|
/*----------------------------------
|
/*----------------------------------
|
AUXILIARY TYPE DERIVATION record
|
AUXILIARY TYPE DERIVATION record
|
----------------------------------
|
----------------------------------
|
May appear in the auxiliary record list of any RECORD/UNION record to denote
|
May appear in the auxiliary record list of any RECORD/UNION record to denote
|
class inheritance of that type from a parent type.
|
class inheritance of that type from a parent type.
|
|
|
Inheritance implies that it is possible to convert the inheritor type to the
|
Inheritance implies that it is possible to convert the inheritor type to the
|
inherited type, retaining those fields which were inherited. To allow this,
|
inherited type, retaining those fields which were inherited. To allow this,
|
orig_field_no, a field number into the record type, is provided. If
|
orig_field_no, a field number into the record type, is provided. If
|
orig_is_pointer is false, then the start of the inherited record is located
|
orig_is_pointer is false, then the start of the inherited record is located
|
at the location of the field indexed by orig_field_no. If orig_is_pointer
|
at the location of the field indexed by orig_field_no. If orig_is_pointer
|
is true, then it is located at the address contained in the field indexed
|
is true, then it is located at the address contained in the field indexed
|
by orig_field_no (assumed to be a pointer).
|
by orig_field_no (assumed to be a pointer).
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_type_t parent_type; /* reference to inherited type */
|
dst_type_t parent_type; /* reference to inherited type */
|
unsigned short orig_field_no;
|
unsigned short orig_field_no;
|
boolean orig_is_pointer:1;
|
boolean orig_is_pointer:1;
|
int unused:15; /* must be zero */
|
int unused:15; /* must be zero */
|
}
|
}
|
dst_rec_aux_type_deriv_t ALIGNED1;
|
dst_rec_aux_type_deriv_t ALIGNED1;
|
|
|
|
|
/*------------------------------------
|
/*------------------------------------
|
AUXILIARY VARIABLE LIFETIME record
|
AUXILIARY VARIABLE LIFETIME record
|
------------------------------------
|
------------------------------------
|
May appear in the auxiliary record list of a VARIABLE record to add location
|
May appear in the auxiliary record list of a VARIABLE record to add location
|
information for an additional variable lifetime.
|
information for an additional variable lifetime.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t loffset;
|
dst_rel_offset_t loffset;
|
}
|
}
|
dst_rec_aux_lifetime_t ALIGNED1;
|
dst_rec_aux_lifetime_t ALIGNED1;
|
|
|
|
|
/*-------------------------------
|
/*-------------------------------
|
AUXILIARY POINTER BASE record
|
AUXILIARY POINTER BASE record
|
-------------------------------
|
-------------------------------
|
May appear in the auxiliary record list of a VARIABLE record to provide a
|
May appear in the auxiliary record list of a VARIABLE record to provide a
|
pointer base to substitute for references to any such bases in the location
|
pointer base to substitute for references to any such bases in the location
|
string of the variable. A pointer base is another VARIABLE record. When
|
string of the variable. A pointer base is another VARIABLE record. When
|
the variable is evaluated by the debugger, it uses the current value of the
|
the variable is evaluated by the debugger, it uses the current value of the
|
pointer base variable in computing its location.
|
pointer base variable in computing its location.
|
|
|
This is useful for representing FORTRAN pointer-based variables.
|
This is useful for representing FORTRAN pointer-based variables.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t voffset;
|
dst_rel_offset_t voffset;
|
}
|
}
|
dst_rec_aux_ptr_base_t ALIGNED1;
|
dst_rec_aux_ptr_base_t ALIGNED1;
|
|
|
|
|
/*---------------------------------
|
/*---------------------------------
|
AUXILIARY REGISTER VALUE record
|
AUXILIARY REGISTER VALUE record
|
---------------------------------
|
---------------------------------
|
May appear in the auxiliary record list of an ENTRY record to specify
|
May appear in the auxiliary record list of an ENTRY record to specify
|
a register that must be set to a specific value before jumping to the entry
|
a register that must be set to a specific value before jumping to the entry
|
point in a debugger "call". The debugger must set the debuggee register,
|
point in a debugger "call". The debugger must set the debuggee register,
|
specified by the register code, to the value of the *address* to which the
|
specified by the register code, to the value of the *address* to which the
|
location string resolves. If the address is register-relative, then the
|
location string resolves. If the address is register-relative, then the
|
call cannot be made unless the current stack frame is the lexical parent
|
call cannot be made unless the current stack frame is the lexical parent
|
of the entry. An example of this is when a (Pascal) nested procedure
|
of the entry. An example of this is when a (Pascal) nested procedure
|
contains references to its parent's variables, which it accesses through
|
contains references to its parent's variables, which it accesses through
|
a static link register. The static link register must be set to some
|
a static link register. The static link register must be set to some
|
address relative to the parent's stack base register.
|
address relative to the parent's stack base register.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short reg; /* identifies register to set (isp enum) */
|
unsigned short reg; /* identifies register to set (isp enum) */
|
dst_rel_offset_t loffset; /* references a location string */
|
dst_rel_offset_t loffset; /* references a location string */
|
}
|
}
|
dst_rec_aux_reg_val_t ALIGNED1;
|
dst_rec_aux_reg_val_t ALIGNED1;
|
|
|
|
|
/*==========================================================*/
|
/*==========================================================*/
|
/*========== RECORDS USED IN .blocks AND .symbols ==========*/
|
/*========== RECORDS USED IN .blocks AND .symbols ==========*/
|
/*==========================================================*/
|
/*==========================================================*/
|
|
|
/*---------------------
|
/*---------------------
|
STRING TABLE record
|
STRING TABLE record
|
---------------------
|
---------------------
|
A string table record contains any number of null-terminated, variable length
|
A string table record contains any number of null-terminated, variable length
|
strings. The length field gives the size in bytes of the text field, which
|
strings. The length field gives the size in bytes of the text field, which
|
can be any size.
|
can be any size.
|
|
|
The global name table shares this format. This record appears in the
|
The global name table shares this format. This record appears in the
|
.blocks section. Each string in the table identifies a global defined in
|
.blocks section. Each string in the table identifies a global defined in
|
the current compilation unit.
|
the current compilation unit.
|
|
|
The loc pool record shares this format as well. Loc strings are described
|
The loc pool record shares this format as well. Loc strings are described
|
elsewhere.
|
elsewhere.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned long length;
|
unsigned long length;
|
char text[dst_dummy_array_size];
|
char text[dst_dummy_array_size];
|
}
|
}
|
dst_rec_string_tab_t ALIGNED1;
|
dst_rec_string_tab_t ALIGNED1;
|
|
|
|
|
/*-----------------------
|
/*-----------------------
|
AUXILIARY QUAL record
|
AUXILIARY QUAL record
|
-----------------------
|
-----------------------
|
May appear in the auxiliary record list of any BLOCK, VARIABLE, or type record
|
May appear in the auxiliary record list of any BLOCK, VARIABLE, or type record
|
to provide it with a fully-qualified, language-dependent name.
|
to provide it with a fully-qualified, language-dependent name.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t lang_qual_name;
|
dst_rel_offset_t lang_qual_name;
|
}
|
}
|
dst_rec_aux_qual_t ALIGNED1;
|
dst_rec_aux_qual_t ALIGNED1;
|
|
|
|
|
/*----------------
|
/*----------------
|
FORWARD record
|
FORWARD record
|
----------------
|
----------------
|
Reference to a record somewhere else. This allows identical definitions in
|
Reference to a record somewhere else. This allows identical definitions in
|
different scopes to share data.
|
different scopes to share data.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rel_offset_t rec_off;
|
dst_rel_offset_t rec_off;
|
}
|
}
|
dst_rec_forward_t ALIGNED1;
|
dst_rec_forward_t ALIGNED1;
|
|
|
|
|
/*-------------------------------
|
/*-------------------------------
|
AUXILIARY SOURCE RANGE record
|
AUXILIARY SOURCE RANGE record
|
-------------------------------
|
-------------------------------
|
May appear in the auxiliary record list of any BLOCK record to specify a
|
May appear in the auxiliary record list of any BLOCK record to specify a
|
range of source lines over which the block is active.
|
range of source lines over which the block is active.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_src_loc_t first_line; /* first source line */
|
dst_src_loc_t first_line; /* first source line */
|
dst_src_loc_t last_line; /* last source line */
|
dst_src_loc_t last_line; /* last source line */
|
}
|
}
|
dst_rec_aux_src_range_t ALIGNED1;
|
dst_rec_aux_src_range_t ALIGNED1;
|
|
|
|
|
/*------------------
|
/*------------------
|
EXTENSION record
|
EXTENSION record
|
------------------
|
------------------
|
Provision for "foreign" records, such as might be generated by a non-Apollo
|
Provision for "foreign" records, such as might be generated by a non-Apollo
|
compiler. Apollo software will ignore these.
|
compiler. Apollo software will ignore these.
|
*/
|
*/
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
unsigned short rec_size; /* record size (bytes) */
|
unsigned short rec_size; /* record size (bytes) */
|
unsigned short ext_type; /* defined by whoever generates it */
|
unsigned short ext_type; /* defined by whoever generates it */
|
unsigned short ext_data; /* place-holder for arbitrary amount of data */
|
unsigned short ext_data; /* place-holder for arbitrary amount of data */
|
}
|
}
|
dst_rec_extension_t ALIGNED1;
|
dst_rec_extension_t ALIGNED1;
|
|
|
|
|
/*
|
/*
|
** DEBUG SYMBOL record -- The wrapper for all .blocks and .symbols records.
|
** DEBUG SYMBOL record -- The wrapper for all .blocks and .symbols records.
|
**
|
**
|
** This record ties together all previous .blocks and .symbols records
|
** This record ties together all previous .blocks and .symbols records
|
** together in a union with a common header. The rec_type field of the
|
** together in a union with a common header. The rec_type field of the
|
** header identifies the record type. The rec_flags field currently only
|
** header identifies the record type. The rec_flags field currently only
|
** defines auxiliary record lists.
|
** defines auxiliary record lists.
|
**
|
**
|
** If a record carries with it a non-null auxiliary record list, its
|
** If a record carries with it a non-null auxiliary record list, its
|
** dst_flag_has_aux_recs flag is set, and each of the records that follow
|
** dst_flag_has_aux_recs flag is set, and each of the records that follow
|
** it are treated as its auxiliary records, until the end of the compilation
|
** it are treated as its auxiliary records, until the end of the compilation
|
** unit or scope is reached, or until an auxiliary record with its
|
** unit or scope is reached, or until an auxiliary record with its
|
** dst_flag_last_aux_rec flag set is reached.
|
** dst_flag_last_aux_rec flag set is reached.
|
*/
|
*/
|
|
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_flag_has_aux_recs,
|
dst_flag_has_aux_recs,
|
dst_flag_last_aux_rec,
|
dst_flag_last_aux_rec,
|
dst_rec_flag_END_OF_ENUM
|
dst_rec_flag_END_OF_ENUM
|
}
|
}
|
dst_rec_flags_t;
|
dst_rec_flags_t;
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
dst_rec_type_t rec_type:8; /* record type */
|
dst_rec_type_t rec_type:8; /* record type */
|
int rec_flags:8; /* mask of dst_rec_flags_t */
|
int rec_flags:8; /* mask of dst_rec_flags_t */
|
union /* switched on rec_type field above */
|
union /* switched on rec_type field above */
|
{
|
{
|
/* dst_typ_pad requires no additional fields */
|
/* dst_typ_pad requires no additional fields */
|
dst_rec_comp_unit_t comp_unit_;
|
dst_rec_comp_unit_t comp_unit_;
|
dst_rec_section_tab_t section_tab_;
|
dst_rec_section_tab_t section_tab_;
|
dst_rec_file_tab_t file_tab_;
|
dst_rec_file_tab_t file_tab_;
|
dst_rec_block_t block_;
|
dst_rec_block_t block_;
|
dst_rec_var_t var_;
|
dst_rec_var_t var_;
|
dst_rec_pointer_t pointer_;
|
dst_rec_pointer_t pointer_;
|
dst_rec_array_t array_;
|
dst_rec_array_t array_;
|
dst_rec_subrange_t subrange_;
|
dst_rec_subrange_t subrange_;
|
dst_rec_set_t set_;
|
dst_rec_set_t set_;
|
dst_rec_implicit_enum_t implicit_enum_;
|
dst_rec_implicit_enum_t implicit_enum_;
|
dst_rec_explicit_enum_t explicit_enum_;
|
dst_rec_explicit_enum_t explicit_enum_;
|
/* dst_typ_short_{rec,union} are represented by 'rec' (below) */
|
/* dst_typ_short_{rec,union} are represented by 'rec' (below) */
|
dst_rec_file_t file_;
|
dst_rec_file_t file_;
|
dst_rec_offset_t offset_;
|
dst_rec_offset_t offset_;
|
dst_rec_alias_t alias_;
|
dst_rec_alias_t alias_;
|
dst_rec_signature_t signature_;
|
dst_rec_signature_t signature_;
|
dst_rec_old_label_t old_label_;
|
dst_rec_old_label_t old_label_;
|
dst_rec_scope_t scope_;
|
dst_rec_scope_t scope_;
|
/* dst_typ_end_scope requires no additional fields */
|
/* dst_typ_end_scope requires no additional fields */
|
dst_rec_string_tab_t string_tab_;
|
dst_rec_string_tab_t string_tab_;
|
/* dst_typ_global_name_tab is represented by 'string_tab' (above) */
|
/* dst_typ_global_name_tab is represented by 'string_tab' (above) */
|
dst_rec_forward_t forward_;
|
dst_rec_forward_t forward_;
|
dst_rec_aux_size_t aux_size_;
|
dst_rec_aux_size_t aux_size_;
|
dst_rec_aux_align_t aux_align_;
|
dst_rec_aux_align_t aux_align_;
|
dst_rec_aux_field_size_t aux_field_size_;
|
dst_rec_aux_field_size_t aux_field_size_;
|
dst_rec_aux_field_off_t aux_field_off_;
|
dst_rec_aux_field_off_t aux_field_off_;
|
dst_rec_aux_field_align_t aux_field_align_;
|
dst_rec_aux_field_align_t aux_field_align_;
|
dst_rec_aux_qual_t aux_qual_;
|
dst_rec_aux_qual_t aux_qual_;
|
dst_rec_aux_var_bound_t aux_var_bound_;
|
dst_rec_aux_var_bound_t aux_var_bound_;
|
dst_rec_extension_t extension_;
|
dst_rec_extension_t extension_;
|
dst_rec_string_t string_;
|
dst_rec_string_t string_;
|
dst_rec_const_t const_;
|
dst_rec_const_t const_;
|
/* dst_typ_reference is represented by 'pointer' (above) */
|
/* dst_typ_reference is represented by 'pointer' (above) */
|
dst_rec_record_t record_;
|
dst_rec_record_t record_;
|
/* dst_typ_union is represented by 'record' (above) */
|
/* dst_typ_union is represented by 'record' (above) */
|
dst_rec_aux_type_deriv_t aux_type_deriv_;
|
dst_rec_aux_type_deriv_t aux_type_deriv_;
|
/* dst_typ_locpool is represented by 'string_tab' (above) */
|
/* dst_typ_locpool is represented by 'string_tab' (above) */
|
dst_rec_variable_t variable_;
|
dst_rec_variable_t variable_;
|
dst_rec_label_t label_;
|
dst_rec_label_t label_;
|
dst_rec_entry_t entry_;
|
dst_rec_entry_t entry_;
|
dst_rec_aux_lifetime_t aux_lifetime_;
|
dst_rec_aux_lifetime_t aux_lifetime_;
|
dst_rec_aux_ptr_base_t aux_ptr_base_;
|
dst_rec_aux_ptr_base_t aux_ptr_base_;
|
dst_rec_aux_src_range_t aux_src_range_;
|
dst_rec_aux_src_range_t aux_src_range_;
|
dst_rec_aux_reg_val_t aux_reg_val_;
|
dst_rec_aux_reg_val_t aux_reg_val_;
|
dst_rec_name_tab_t aux_unit_names_;
|
dst_rec_name_tab_t aux_unit_names_;
|
dst_rec_sect_info_tab_t aux_sect_info_;
|
dst_rec_sect_info_tab_t aux_sect_info_;
|
}
|
}
|
rec_data ALIGNED1;
|
rec_data ALIGNED1;
|
}
|
}
|
dst_rec_t, *dst_rec_ptr_t;
|
dst_rec_t, *dst_rec_ptr_t;
|
|
|
|
|
/*===============================================*/
|
/*===============================================*/
|
/*========== .lines SECTION DEFINITIONS =========*/
|
/*========== .lines SECTION DEFINITIONS =========*/
|
/*===============================================*/
|
/*===============================================*/
|
/*
|
/*
|
The .lines section contains a sequence of line number tables. There is no
|
The .lines section contains a sequence of line number tables. There is no
|
record structure within the section. The start of the table for a routine
|
record structure within the section. The start of the table for a routine
|
is pointed to by the block record, and the end of the table is signaled by
|
is pointed to by the block record, and the end of the table is signaled by
|
an escape code.
|
an escape code.
|
|
|
A line number table is a sequence of bytes. The default entry contains a line
|
A line number table is a sequence of bytes. The default entry contains a line
|
number delta (-7..+7) in the high 4 bits and a pc delta (0..15) in the low 4
|
number delta (-7..+7) in the high 4 bits and a pc delta (0..15) in the low 4
|
bits. Special cases, including when one or both of the values is too large
|
bits. Special cases, including when one or both of the values is too large
|
to fit in 4 bits and other special cases are handled through escape entries.
|
to fit in 4 bits and other special cases are handled through escape entries.
|
Escape entries are identified by the value 0x8 in the high 4 bits. The low 4
|
Escape entries are identified by the value 0x8 in the high 4 bits. The low 4
|
bits are occupied by a function code. Some escape entries are followed by
|
bits are occupied by a function code. Some escape entries are followed by
|
additional arguments, which may be bytes, words, or longwords. This data is
|
additional arguments, which may be bytes, words, or longwords. This data is
|
not aligned.
|
not aligned.
|
|
|
The initial PC offset, file number and line number are zero. Normally, the
|
The initial PC offset, file number and line number are zero. Normally, the
|
table begins with a dst_ln_file escape which establishes the initial file
|
table begins with a dst_ln_file escape which establishes the initial file
|
and line number. All PC deltas are unsigned (thus the table is ordered by
|
and line number. All PC deltas are unsigned (thus the table is ordered by
|
increasing PC); line number deltas are signed. The table ends with a
|
increasing PC); line number deltas are signed. The table ends with a
|
dst_ln_end escape, which is followed by a final table entry whose PC delta
|
dst_ln_end escape, which is followed by a final table entry whose PC delta
|
gives the code size of the last statement.
|
gives the code size of the last statement.
|
|
|
Escape Semantic
|
Escape Semantic
|
--------- ------------------------------------------------------------
|
--------- ------------------------------------------------------------
|
file Changes file state. The current source file remains constant
|
file Changes file state. The current source file remains constant
|
until another file escape. Though the line number state is
|
until another file escape. Though the line number state is
|
also updated by a file escape, a file escape does NOT
|
also updated by a file escape, a file escape does NOT
|
constitute a line table entry.
|
constitute a line table entry.
|
|
|
statement Alters the statement number of the next table entry. By
|
statement Alters the statement number of the next table entry. By
|
default, all table entries refer to the first statement on a
|
default, all table entries refer to the first statement on a
|
line. Statement number one is the second statement, and so on.
|
line. Statement number one is the second statement, and so on.
|
|
|
entry Identifies the next table entry as the position of an entry
|
entry Identifies the next table entry as the position of an entry
|
point for the current block. The PC position should follow
|
point for the current block. The PC position should follow
|
any procedure prologue code. An argument specifies the entry
|
any procedure prologue code. An argument specifies the entry
|
number, which is keyed to the entry number of the corresponding
|
number, which is keyed to the entry number of the corresponding
|
.symbols ENTRY record.
|
.symbols ENTRY record.
|
|
|
exit Identifies the next table entry as the last position within
|
exit Identifies the next table entry as the last position within
|
the current block before a procedure epiloge and subsequent
|
the current block before a procedure epiloge and subsequent
|
procedure exit.
|
procedure exit.
|
|
|
gap By default, the executable code corresponding to a table entry
|
gap By default, the executable code corresponding to a table entry
|
is assumed to extend to the beginning of the next table entry.
|
is assumed to extend to the beginning of the next table entry.
|
If this is not the case--there is a "hole" in the table--then
|
If this is not the case--there is a "hole" in the table--then
|
a gap escape should follow the first table entry to specify
|
a gap escape should follow the first table entry to specify
|
where the code for that entry ends.
|
where the code for that entry ends.
|
*/
|
*/
|
|
|
#define dst_ln_escape_flag -8
|
#define dst_ln_escape_flag -8
|
|
|
/*
|
/*
|
Escape function codes:
|
Escape function codes:
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_ln_pad, /* pad byte */
|
dst_ln_pad, /* pad byte */
|
dst_ln_file, /* file escape. Next 4 bytes are a dst_src_loc_t */
|
dst_ln_file, /* file escape. Next 4 bytes are a dst_src_loc_t */
|
dst_ln_dln1_dpc1, /* 1 byte line delta, 1 byte pc delta */
|
dst_ln_dln1_dpc1, /* 1 byte line delta, 1 byte pc delta */
|
dst_ln_dln2_dpc2, /* 2 bytes line delta, 2 bytes pc delta */
|
dst_ln_dln2_dpc2, /* 2 bytes line delta, 2 bytes pc delta */
|
dst_ln_ln4_pc4, /* 4 bytes ABSOLUTE line number, 4 bytes ABSOLUTE pc */
|
dst_ln_ln4_pc4, /* 4 bytes ABSOLUTE line number, 4 bytes ABSOLUTE pc */
|
dst_ln_dln1_dpc0, /* 1 byte line delta, pc delta = 0 */
|
dst_ln_dln1_dpc0, /* 1 byte line delta, pc delta = 0 */
|
dst_ln_ln_off_1, /* statement escape, stmt # = 1 (2nd stmt on line) */
|
dst_ln_ln_off_1, /* statement escape, stmt # = 1 (2nd stmt on line) */
|
dst_ln_ln_off, /* statement escape, stmt # = next byte */
|
dst_ln_ln_off, /* statement escape, stmt # = next byte */
|
dst_ln_entry, /* entry escape, next byte is entry number */
|
dst_ln_entry, /* entry escape, next byte is entry number */
|
dst_ln_exit, /* exit escape */
|
dst_ln_exit, /* exit escape */
|
dst_ln_stmt_end, /* gap escape, 4 bytes pc delta */
|
dst_ln_stmt_end, /* gap escape, 4 bytes pc delta */
|
dst_ln_escape_11, /* reserved */
|
dst_ln_escape_11, /* reserved */
|
dst_ln_escape_12, /* reserved */
|
dst_ln_escape_12, /* reserved */
|
dst_ln_escape_13, /* reserved */
|
dst_ln_escape_13, /* reserved */
|
dst_ln_nxt_byte, /* next byte contains the real escape code */
|
dst_ln_nxt_byte, /* next byte contains the real escape code */
|
dst_ln_end, /* end escape, final entry follows */
|
dst_ln_end, /* end escape, final entry follows */
|
dst_ln_escape_END_OF_ENUM
|
dst_ln_escape_END_OF_ENUM
|
}
|
}
|
dst_ln_escape_t;
|
dst_ln_escape_t;
|
|
|
/*
|
/*
|
Line number table entry
|
Line number table entry
|
*/
|
*/
|
typedef union
|
typedef union
|
{
|
{
|
struct
|
struct
|
{
|
{
|
unsigned int ln_delta:4; /* 4 bit line number delta */
|
unsigned int ln_delta:4; /* 4 bit line number delta */
|
unsigned int pc_delta:4; /* 4 bit pc delta */
|
unsigned int pc_delta:4; /* 4 bit pc delta */
|
}
|
}
|
delta;
|
delta;
|
|
|
struct
|
struct
|
{
|
{
|
unsigned int esc_flag:4; /* alias for ln_delta */
|
unsigned int esc_flag:4; /* alias for ln_delta */
|
dst_ln_escape_t esc_code:4; /* escape function code */
|
dst_ln_escape_t esc_code:4; /* escape function code */
|
}
|
}
|
esc;
|
esc;
|
|
|
char sdata; /* signed data byte */
|
char sdata; /* signed data byte */
|
unsigned char udata; /* unsigned data byte */
|
unsigned char udata; /* unsigned data byte */
|
}
|
}
|
dst_ln_entry_t,
|
dst_ln_entry_t,
|
*dst_ln_entry_ptr_t,
|
*dst_ln_entry_ptr_t,
|
dst_ln_table_t[dst_dummy_array_size];
|
dst_ln_table_t[dst_dummy_array_size];
|
|
|
/* The following macro will extract the ln_delta field as a signed value:
|
/* The following macro will extract the ln_delta field as a signed value:
|
*/
|
*/
|
#define dst_ln_ln_delta(ln_rec) \
|
#define dst_ln_ln_delta(ln_rec) \
|
( ((short) ((ln_rec).delta.ln_delta << 12)) >> 12 )
|
( ((short) ((ln_rec).delta.ln_delta << 12)) >> 12 )
|
|
|
|
|
|
|
|
|
typedef struct dst_sec_struct
|
typedef struct dst_sec_struct
|
{
|
{
|
char *buffer;
|
char *buffer;
|
long position;
|
long position;
|
long size;
|
long size;
|
long base;
|
long base;
|
}
|
}
|
dst_sec;
|
dst_sec;
|
|
|
|
|
/* Macros for access to the data */
|
/* Macros for access to the data */
|
|
|
#define DST_comp_unit(x) ((x)->rec_data.comp_unit_)
|
#define DST_comp_unit(x) ((x)->rec_data.comp_unit_)
|
#define DST_section_tab(x) ((x)->rec_data.section_tab_)
|
#define DST_section_tab(x) ((x)->rec_data.section_tab_)
|
#define DST_file_tab(x) ((x)->rec_data.file_tab_)
|
#define DST_file_tab(x) ((x)->rec_data.file_tab_)
|
#define DST_block(x) ((x)->rec_data.block_)
|
#define DST_block(x) ((x)->rec_data.block_)
|
#define DST_var(x) ((x)->rec_data.var_)
|
#define DST_var(x) ((x)->rec_data.var_)
|
#define DST_pointer(x) ((x)->rec_data.pointer_)
|
#define DST_pointer(x) ((x)->rec_data.pointer_)
|
#define DST_array(x) ((x)->rec_data.array_)
|
#define DST_array(x) ((x)->rec_data.array_)
|
#define DST_subrange(x) ((x)->rec_data.subrange_)
|
#define DST_subrange(x) ((x)->rec_data.subrange_)
|
#define DST_set(x) ((x)->rec_data.set_)
|
#define DST_set(x) ((x)->rec_data.set_)
|
#define DST_implicit_enum(x) ((x)->rec_data.implicit_enum_)
|
#define DST_implicit_enum(x) ((x)->rec_data.implicit_enum_)
|
#define DST_explicit_enum(x) ((x)->rec_data.explicit_enum_)
|
#define DST_explicit_enum(x) ((x)->rec_data.explicit_enum_)
|
#define DST_short_rec(x) ((x)->rec_data.record_)
|
#define DST_short_rec(x) ((x)->rec_data.record_)
|
#define DST_short_union(x) ((x)->rec_data.record_)
|
#define DST_short_union(x) ((x)->rec_data.record_)
|
#define DST_file(x) ((x)->rec_data.file_)
|
#define DST_file(x) ((x)->rec_data.file_)
|
#define DST_offset(x) ((x)->rec_data.offset_)
|
#define DST_offset(x) ((x)->rec_data.offset_)
|
#define DST_alias(x) ((x)->rec_data.alias_)
|
#define DST_alias(x) ((x)->rec_data.alias_)
|
#define DST_signature(x) ((x)->rec_data.signature_)
|
#define DST_signature(x) ((x)->rec_data.signature_)
|
#define DST_old_label(x) ((x)->rec_data.old_label_)
|
#define DST_old_label(x) ((x)->rec_data.old_label_)
|
#define DST_scope(x) ((x)->rec_data.scope_)
|
#define DST_scope(x) ((x)->rec_data.scope_)
|
#define DST_string_tab(x) ((x)->rec_data.string_tab_)
|
#define DST_string_tab(x) ((x)->rec_data.string_tab_)
|
#define DST_global_name_tab(x) ((x)->rec_data.string_tab_)
|
#define DST_global_name_tab(x) ((x)->rec_data.string_tab_)
|
#define DST_forward(x) ((x)->rec_data.forward_)
|
#define DST_forward(x) ((x)->rec_data.forward_)
|
#define DST_aux_size(x) ((x)->rec_data.aux_size_)
|
#define DST_aux_size(x) ((x)->rec_data.aux_size_)
|
#define DST_aux_align(x) ((x)->rec_data.aux_align_)
|
#define DST_aux_align(x) ((x)->rec_data.aux_align_)
|
#define DST_aux_field_size(x) ((x)->rec_data.aux_field_size_)
|
#define DST_aux_field_size(x) ((x)->rec_data.aux_field_size_)
|
#define DST_aux_field_off(x) ((x)->rec_data.aux_field_off_)
|
#define DST_aux_field_off(x) ((x)->rec_data.aux_field_off_)
|
#define DST_aux_field_align(x) ((x)->rec_data.aux_field_align_)
|
#define DST_aux_field_align(x) ((x)->rec_data.aux_field_align_)
|
#define DST_aux_qual(x) ((x)->rec_data.aux_qual_)
|
#define DST_aux_qual(x) ((x)->rec_data.aux_qual_)
|
#define DST_aux_var_bound(x) ((x)->rec_data.aux_var_bound_)
|
#define DST_aux_var_bound(x) ((x)->rec_data.aux_var_bound_)
|
#define DST_extension(x) ((x)->rec_data.extension_)
|
#define DST_extension(x) ((x)->rec_data.extension_)
|
#define DST_string(x) ((x)->rec_data.string_)
|
#define DST_string(x) ((x)->rec_data.string_)
|
#define DST_const(x) ((x)->rec_data.const_)
|
#define DST_const(x) ((x)->rec_data.const_)
|
#define DST_reference(x) ((x)->rec_data.pointer_)
|
#define DST_reference(x) ((x)->rec_data.pointer_)
|
#define DST_record(x) ((x)->rec_data.record_)
|
#define DST_record(x) ((x)->rec_data.record_)
|
#define DST_union(x) ((x)->rec_data.record_)
|
#define DST_union(x) ((x)->rec_data.record_)
|
#define DST_aux_type_deriv(x) ((x)->rec_data.aux_type_deriv_)
|
#define DST_aux_type_deriv(x) ((x)->rec_data.aux_type_deriv_)
|
#define DST_locpool(x) ((x)->rec_data.string_tab_)
|
#define DST_locpool(x) ((x)->rec_data.string_tab_)
|
#define DST_variable(x) ((x)->rec_data.variable_)
|
#define DST_variable(x) ((x)->rec_data.variable_)
|
#define DST_label(x) ((x)->rec_data.label_)
|
#define DST_label(x) ((x)->rec_data.label_)
|
#define DST_entry(x) ((x)->rec_data.entry_)
|
#define DST_entry(x) ((x)->rec_data.entry_)
|
#define DST_aux_lifetime(x) ((x)->rec_data.aux_lifetime_)
|
#define DST_aux_lifetime(x) ((x)->rec_data.aux_lifetime_)
|
#define DST_aux_ptr_base(x) ((x)->rec_data.aux_ptr_base_)
|
#define DST_aux_ptr_base(x) ((x)->rec_data.aux_ptr_base_)
|
#define DST_aux_src_range(x) ((x)->rec_data.aux_src_range_)
|
#define DST_aux_src_range(x) ((x)->rec_data.aux_src_range_)
|
#define DST_aux_reg_val(x) ((x)->rec_data.aux_reg_val_)
|
#define DST_aux_reg_val(x) ((x)->rec_data.aux_reg_val_)
|
#define DST_aux_unit_names(x) ((x)->rec_data.aux_unit_names_)
|
#define DST_aux_unit_names(x) ((x)->rec_data.aux_unit_names_)
|
#define DST_aux_sect_info(x) ((x)->rec_data.aux_sect_info_)
|
#define DST_aux_sect_info(x) ((x)->rec_data.aux_sect_info_)
|
|
|
|
|
/*
|
/*
|
* Type codes for loc strings. I'm not entirely certain about all of
|
* Type codes for loc strings. I'm not entirely certain about all of
|
* these, but they seem to work.
|
* these, but they seem to work.
|
* troy@cbme.unsw.EDU.AU
|
* troy@cbme.unsw.EDU.AU
|
* If you find a variable whose location can't be decoded, you should
|
* If you find a variable whose location can't be decoded, you should
|
* find out it's code using "dstdump -s filename". It will record an
|
* find out it's code using "dstdump -s filename". It will record an
|
* entry for the variable, and give a text representation of what
|
* entry for the variable, and give a text representation of what
|
* the locstring means. Before that explaination there will be a
|
* the locstring means. Before that explaination there will be a
|
* number. In the LOCSTRING table, that number will appear before
|
* number. In the LOCSTRING table, that number will appear before
|
* the start of the location string. Location string codes are
|
* the start of the location string. Location string codes are
|
* five bit codes with a 3 bit argument. Check the high 5 bits of
|
* five bit codes with a 3 bit argument. Check the high 5 bits of
|
* the one byte code, and figure out where it goes in here.
|
* the one byte code, and figure out where it goes in here.
|
* Then figure out exactly what the meaning is and code it in
|
* Then figure out exactly what the meaning is and code it in
|
* dstread.c
|
* dstread.c
|
*
|
*
|
* Note that ranged locs mean that the variable is in different locations
|
* Note that ranged locs mean that the variable is in different locations
|
* depending on the current PC. We ignore these because (a) gcc can't handle
|
* depending on the current PC. We ignore these because (a) gcc can't handle
|
* them, and (b), If you don't use high levels of optimisation they won't
|
* them, and (b), If you don't use high levels of optimisation they won't
|
* occur.
|
* occur.
|
*/
|
*/
|
typedef enum
|
typedef enum
|
{
|
{
|
dst_lsc_end, /* End of string */
|
dst_lsc_end, /* End of string */
|
dst_lsc_indirect, /* Indirect through previous. Arg == 6 */
|
dst_lsc_indirect, /* Indirect through previous. Arg == 6 */
|
/* Or register ax (x=arg) */
|
/* Or register ax (x=arg) */
|
dst_lsc_dreg, /* register dx (x=arg) */
|
dst_lsc_dreg, /* register dx (x=arg) */
|
dst_lsc_03,
|
dst_lsc_03,
|
dst_lsc_section, /* Section (arg+1) */
|
dst_lsc_section, /* Section (arg+1) */
|
dst_lsc_05,
|
dst_lsc_05,
|
dst_lsc_06,
|
dst_lsc_06,
|
dst_lsc_add, /* Add (arg+1)*2 */
|
dst_lsc_add, /* Add (arg+1)*2 */
|
dst_lsc_sub, /* Subtract (arg+1)*2 */
|
dst_lsc_sub, /* Subtract (arg+1)*2 */
|
dst_lsc_09,
|
dst_lsc_09,
|
dst_lsc_0a,
|
dst_lsc_0a,
|
dst_lsc_sec_byte, /* Section of next byte+1 */
|
dst_lsc_sec_byte, /* Section of next byte+1 */
|
dst_lsc_add_byte, /* Add next byte (arg == 5) or next word
|
dst_lsc_add_byte, /* Add next byte (arg == 5) or next word
|
* (arg == 6)
|
* (arg == 6)
|
*/
|
*/
|
dst_lsc_sub_byte, /* Subtract next byte. (arg == 1) or next
|
dst_lsc_sub_byte, /* Subtract next byte. (arg == 1) or next
|
* word (arg == 6 ?)
|
* word (arg == 6 ?)
|
*/
|
*/
|
dst_lsc_sbreg, /* Stack base register (frame pointer). Arg==0 */
|
dst_lsc_sbreg, /* Stack base register (frame pointer). Arg==0 */
|
dst_lsc_0f,
|
dst_lsc_0f,
|
dst_lsc_ranged, /* location is pc dependent */
|
dst_lsc_ranged, /* location is pc dependent */
|
dst_lsc_11,
|
dst_lsc_11,
|
dst_lsc_12,
|
dst_lsc_12,
|
dst_lsc_13,
|
dst_lsc_13,
|
dst_lsc_14,
|
dst_lsc_14,
|
dst_lsc_15,
|
dst_lsc_15,
|
dst_lsc_16,
|
dst_lsc_16,
|
dst_lsc_17,
|
dst_lsc_17,
|
dst_lsc_18,
|
dst_lsc_18,
|
dst_lsc_19,
|
dst_lsc_19,
|
dst_lsc_1a,
|
dst_lsc_1a,
|
dst_lsc_1b,
|
dst_lsc_1b,
|
dst_lsc_1c,
|
dst_lsc_1c,
|
dst_lsc_1d,
|
dst_lsc_1d,
|
dst_lsc_1e,
|
dst_lsc_1e,
|
dst_lsc_1f
|
dst_lsc_1f
|
}
|
}
|
dst_loc_string_code_t;
|
dst_loc_string_code_t;
|
|
|
/* If the following occurs after an addition/subtraction, that addition
|
/* If the following occurs after an addition/subtraction, that addition
|
* or subtraction should be multiplied by 256. It's a complete byte, not
|
* or subtraction should be multiplied by 256. It's a complete byte, not
|
* a code.
|
* a code.
|
*/
|
*/
|
|
|
#define dst_multiply_256 ((char) 0x73)
|
#define dst_multiply_256 ((char) 0x73)
|
|
|
typedef struct
|
typedef struct
|
{
|
{
|
char code:5;
|
char code:5;
|
char arg:3;
|
char arg:3;
|
}
|
}
|
dst_loc_header_t ALIGNED1;
|
dst_loc_header_t ALIGNED1;
|
|
|
typedef union
|
typedef union
|
{
|
{
|
dst_loc_header_t header;
|
dst_loc_header_t header;
|
char data;
|
char data;
|
}
|
}
|
dst_loc_entry_t ALIGNED1;
|
dst_loc_entry_t ALIGNED1;
|
|
|
#undef ALIGNED1
|
#undef ALIGNED1
|
#endif /* apollo_dst_h */
|
#endif /* apollo_dst_h */
|
|
|
