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cc65/src/dbginfo/dbginfo.h

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/*****************************************************************************/
/* */
/* dbginfo.h */
/* */
/* cc65 debug info handling */
/* */
/* */
/* */
/* (C) 2010-2011, Ullrich von Bassewitz */
/* Roemerstrasse 52 */
/* D-70794 Filderstadt */
/* EMail: uz@cc65.org */
/* */
/* */
/* This software is provided 'as-is', without any expressed or implied */
/* warranty. In no event will the authors be held liable for any damages */
/* arising from the use of this software. */
/* */
/* Permission is granted to anyone to use this software for any purpose, */
/* including commercial applications, and to alter it and redistribute it */
/* freely, subject to the following restrictions: */
/* */
/* 1. The origin of this software must not be misrepresented; you must not */
/* claim that you wrote the original software. If you use this software */
/* in a product, an acknowledgment in the product documentation would be */
/* appreciated but is not required. */
/* 2. Altered source versions must be plainly marked as such, and must not */
/* be misrepresented as being the original software. */
/* 3. This notice may not be removed or altered from any source */
/* distribution. */
/* */
/*****************************************************************************/
#ifndef DBGINFO_H
#define DBGINFO_H
/* Allow usage from C++ */
#ifdef __cplusplus
extern "C" {
#endif
/*****************************************************************************/
/* Data */
/*****************************************************************************/
/* Data types used for addresses, sizes and line numbers. Change to "unsigned
** long" if you ever want to run the code on a 16-bit machine.
*/
typedef unsigned cc65_line; /* Used to store line numbers */
typedef unsigned cc65_addr; /* Used to store (65xx) addresses */
typedef unsigned cc65_size; /* Used to store (65xx) sizes */
/* A value that is used to mark invalid ids */
#define CC65_INV_ID (~0U)
/*****************************************************************************/
/* Debug info files */
/*****************************************************************************/
/* Severity for cc65_parseerror */
typedef enum {
CC65_WARNING,
CC65_ERROR,
} cc65_error_severity;
/* Warnings/errors in cc65_read_dbginfo are passed via this struct */
typedef struct cc65_parseerror cc65_parseerror;
struct cc65_parseerror {
cc65_error_severity type; /* Type of error */
const char* name; /* Name of input file */
cc65_line line; /* Error line */
unsigned column; /* Error column */
char errormsg[1]; /* Error message */
};
/* Function that is called in case of parse errors */
typedef void (*cc65_errorfunc) (const cc65_parseerror*);
/* Pointer to an opaque data structure containing information from the debug
** info file. Actually a handle to the data in the file.
*/
typedef const void* cc65_dbginfo;
cc65_dbginfo cc65_read_dbginfo (const char* filename, cc65_errorfunc errorfunc);
/* Parse the debug info file with the given name. On success, the function
** will return a pointer to an opaque cc65_dbginfo structure, that must be
** passed to the other functions in this module to retrieve information.
** errorfunc is called in case of warnings and errors. If the file cannot be
** read successfully, NULL is returned.
*/
void cc65_free_dbginfo (cc65_dbginfo Handle);
/* Free debug information read from a file */
/*****************************************************************************/
/* C Symbols */
/*****************************************************************************/
/* C symbol kinds */
typedef enum {
CC65_CSYM_FUNC,
CC65_CSYM_VAR
} cc65_csym_kind;
/* C object storage classes */
typedef enum {
CC65_CSYM_AUTO, /* Auto = on stack */
CC65_CSYM_REG, /* Register = in register bank */
CC65_CSYM_STATIC, /* Static = static storage */
CC65_CSYM_EXTERN /* Extern = static storage + external visibility */
} cc65_csym_sc;
/* C symbol information */
typedef struct cc65_csymdata cc65_csymdata;
struct cc65_csymdata {
unsigned csym_id; /* The internal c symbol id */
unsigned char csym_kind; /* Kind of c symbol */
unsigned char csym_sc; /* Storage class of c symbol */
int csym_offs; /* Offset for auto and register */
unsigned type_id; /* Id of the data type */
unsigned symbol_id; /* Attached asm symbol if any */
unsigned scope_id; /* Scope of c symbol */
const char* csym_name; /* Name of the symbol */
};
typedef struct cc65_csyminfo cc65_csyminfo;
struct cc65_csyminfo {
unsigned count; /* Number of data sets that follow */
cc65_csymdata data[1]; /* Data sets, number is dynamic */
};
const cc65_csyminfo* cc65_get_csymlist (cc65_dbginfo handle);
/* Return a list of all c symbols */
const cc65_csyminfo* cc65_csym_byid (cc65_dbginfo handle, unsigned id);
/* Return information about a c symbol with a specific id. The function
** returns NULL if the id is invalid (no such c symbol) and otherwise a
** cc65_csyminfo structure with one entry that contains the requested
** symbol information.
*/
const cc65_csyminfo* cc65_cfunc_bymodule (cc65_dbginfo handle, unsigned module_id);
/* Return the list of C functions (not symbols!) for a specific module. If
** the module id is invalid, the function will return NULL, otherwise a
** (possibly empty) c symbol list.
*/
const cc65_csyminfo* cc65_cfunc_byname (cc65_dbginfo handle, const char* name);
/* Return a list of all C functions with the given name that have a
** definition.
*/
const cc65_csyminfo* cc65_csym_byscope (cc65_dbginfo handle, unsigned scope_id);
/* Return all C symbols for a scope. The function will return NULL if the
** given id is invalid.
*/
void cc65_free_csyminfo (cc65_dbginfo handle, const cc65_csyminfo* info);
/* Free a c symbol info record */
/*****************************************************************************/
/* Libraries */
/*****************************************************************************/
/* Library information */
typedef struct cc65_librarydata cc65_librarydata;
struct cc65_librarydata {
unsigned library_id; /* The internal library id */
const char* library_name; /* Name of the library */
};
typedef struct cc65_libraryinfo cc65_libraryinfo;
struct cc65_libraryinfo {
unsigned count; /* Number of data sets that follow */
cc65_librarydata data[1]; /* Data sets, number is dynamic */
};
const cc65_libraryinfo* cc65_get_librarylist (cc65_dbginfo handle);
/* Return a list of all libraries */
const cc65_libraryinfo* cc65_library_byid (cc65_dbginfo handle, unsigned id);
/* Return information about a library with a specific id. The function
** returns NULL if the id is invalid (no such library) and otherwise a
** cc65_libraryinfo structure with one entry that contains the requested
** library information.
*/
void cc65_free_libraryinfo (cc65_dbginfo handle, const cc65_libraryinfo* info);
/* Free a library info record */
/*****************************************************************************/
/* Line info */
/*****************************************************************************/
/* Type of line */
typedef enum {
CC65_LINE_ASM, /* Assembler source */
CC65_LINE_EXT, /* Externally supplied (= C) */
CC65_LINE_MACRO, /* Macro expansion */
} cc65_line_type;
/* Line information */
typedef struct cc65_linedata cc65_linedata;
struct cc65_linedata {
unsigned line_id; /* Internal id of this record */
unsigned source_id; /* Id of the source file */
cc65_line source_line; /* Line number */
cc65_line_type line_type; /* Type of line */
unsigned count; /* Nesting counter for macros */
};
typedef struct cc65_lineinfo cc65_lineinfo;
struct cc65_lineinfo {
unsigned count; /* Number of data sets that follow */
cc65_linedata data[1]; /* Data sets, number is dynamic */
};
const cc65_lineinfo* cc65_line_byid (cc65_dbginfo handle, unsigned id);
/* Return information about a line with a specific id. The function
** returns NULL if the id is invalid (no such line) and otherwise a
** cc65_lineinfo structure with one entry that contains the requested
** module information.
*/
const cc65_lineinfo* cc65_line_bynumber (cc65_dbginfo handle,
unsigned source_id,
cc65_line line);
/* Return line information for a source file/line number combination. The
** function returns NULL if no line information was found.
*/
const cc65_lineinfo* cc65_line_bysource (cc65_dbginfo Handle, unsigned source_id);
/* Return line information for a source file. The function returns NULL if the
** file id is invalid.
*/
const cc65_lineinfo* cc65_line_bysymdef (cc65_dbginfo handle, unsigned symbol_id);
/* Return line information for the definition of a symbol. The function
** returns NULL if the symbol id is invalid, otherwise a list of line infos.
*/
const cc65_lineinfo* cc65_line_bysymref (cc65_dbginfo handle, unsigned symbol_id);
/* Return line information for all references of a symbol. The function
** returns NULL if the symbol id is invalid, otherwise a list of line infos.
*/
const cc65_lineinfo* cc65_line_byspan (cc65_dbginfo handle, unsigned span_id);
/* Return line information for a a span. The function returns NULL if the
** span id is invalid, otherwise a list of line infos.
*/
void cc65_free_lineinfo (cc65_dbginfo handle, const cc65_lineinfo* info);
/* Free line info returned by one of the other functions */
/*****************************************************************************/
/* Modules */
/*****************************************************************************/
/* Module information
** Notes:
** - scope_id contains CC65_INV_ID if the module was compiled without
** debug information.
*/
typedef struct cc65_moduledata cc65_moduledata;
struct cc65_moduledata {
unsigned module_id; /* The internal module id */
const char* module_name; /* Name of the module */
unsigned source_id; /* Id of the module main file */
unsigned library_id; /* Id of the library if any */
unsigned scope_id; /* Id of the main scope */
};
typedef struct cc65_moduleinfo cc65_moduleinfo;
struct cc65_moduleinfo {
unsigned count; /* Number of data sets that follow */
cc65_moduledata data[1]; /* Data sets, number is dynamic */
};
const cc65_moduleinfo* cc65_get_modulelist (cc65_dbginfo handle);
/* Return a list of all modules */
const cc65_moduleinfo* cc65_module_byid (cc65_dbginfo handle, unsigned id);
/* Return information about a module with a specific id. The function
** returns NULL if the id is invalid (no such module) and otherwise a
** cc65_moduleinfo structure with one entry that contains the requested
** module information.
*/
void cc65_free_moduleinfo (cc65_dbginfo handle, const cc65_moduleinfo* info);
/* Free a module info record */
/*****************************************************************************/
/* Spans */
/*****************************************************************************/
/* Span information */
typedef struct cc65_spandata cc65_spandata;
struct cc65_spandata {
unsigned span_id; /* The internal span id */
cc65_addr span_start; /* Start of the span */
cc65_addr span_end; /* End of the span (inclusive!) */
unsigned segment_id; /* Id of the segment */
unsigned type_id; /* Id of the type of this span */
unsigned line_count; /* Number of lines attached */
unsigned scope_count; /* Number of scopes attached */
};
typedef struct cc65_spaninfo cc65_spaninfo;
struct cc65_spaninfo {
unsigned count; /* Number of data sets that follow */
cc65_spandata data[1]; /* Data sets, number is dynamic */
};
const cc65_spaninfo* cc65_get_spanlist (cc65_dbginfo handle);
/* Return a list of all spans. BEWARE: Large! */
const cc65_spaninfo* cc65_span_byid (cc65_dbginfo handle, unsigned id);
/* Return information about a span with a specific id. The function
** returns NULL if the id is invalid (no such span) and otherwise a
** cc65_spaninfo structure with one entry that contains the requested
** span information.
*/
const cc65_spaninfo* cc65_span_byaddr (cc65_dbginfo handle,
unsigned long addr);
/* Return span information for the given address. The function returns NULL
** if no spans were found for this address.
*/
const cc65_spaninfo* cc65_span_byline (cc65_dbginfo handle, unsigned line_id);
/* Return span information for the given source line. The function returns NULL
** if the line id is invalid, otherwise the spans for this line (possibly zero).
*/
const cc65_spaninfo* cc65_span_byscope (cc65_dbginfo handle, unsigned scope_id);
/* Return span information for the given scope. The function returns NULL if
** the scope id is invalid, otherwise the spans for this scope (possibly zero).
*/
void cc65_free_spaninfo (cc65_dbginfo handle, const cc65_spaninfo* info);
/* Free a span info record */
/*****************************************************************************/
/* Source files */
/*****************************************************************************/
/* Source file information */
typedef struct cc65_sourcedata cc65_sourcedata;
struct cc65_sourcedata {
unsigned source_id; /* The internal file id */
const char* source_name; /* Name of the file */
unsigned long source_size; /* Size of file */
unsigned long source_mtime; /* Modification time */
};
typedef struct cc65_sourceinfo cc65_sourceinfo;
struct cc65_sourceinfo {
unsigned count; /* Number of data sets that follow */
cc65_sourcedata data[1]; /* Data sets, number is dynamic */
};
const cc65_sourceinfo* cc65_get_sourcelist (cc65_dbginfo handle);
/* Return a list of all source files */
const cc65_sourceinfo* cc65_source_byid (cc65_dbginfo handle, unsigned id);
/* Return information about a source file with a specific id. The function
** returns NULL if the id is invalid (no such source file) and otherwise a
** cc65_sourceinfo structure with one entry that contains the requested
** source file information.
*/
const cc65_sourceinfo* cc65_source_bymodule (cc65_dbginfo handle,
unsigned module_id);
/* Return information about the source files used to build a module. The
** function returns NULL if the module id is invalid (no such module) and
** otherwise a cc65_sourceinfo structure with one entry per source file.
*/
void cc65_free_sourceinfo (cc65_dbginfo handle, const cc65_sourceinfo* info);
/* Free a source info record */
/*****************************************************************************/
/* Scopes */
/*****************************************************************************/
/* Scope information */
typedef enum {
CC65_SCOPE_GLOBAL, /* Global scope */
CC65_SCOPE_MODULE, /* Module scope */
CC65_SCOPE_SCOPE, /* .PROC/.SCOPE */
CC65_SCOPE_STRUCT, /* .STRUCT */
CC65_SCOPE_ENUM, /* .ENUM */
} cc65_scope_type;
typedef struct cc65_scopedata cc65_scopedata;
struct cc65_scopedata {
unsigned scope_id; /* Id of scope */
const char* scope_name; /* Name of scope */
cc65_scope_type scope_type; /* Type of scope */
cc65_size scope_size; /* Size of scope, 0 if unknown */
unsigned parent_id; /* Id of parent scope */
unsigned symbol_id; /* Id of scope symbol if any */
unsigned module_id; /* Id of the module */
};
typedef struct cc65_scopeinfo cc65_scopeinfo;
struct cc65_scopeinfo {
unsigned count; /* Number of data sets that follow */
cc65_scopedata data[1]; /* Data sets, number is dynamic */
};
const cc65_scopeinfo* cc65_get_scopelist (cc65_dbginfo handle);
/* Return a list of all scopes in the debug information */
const cc65_scopeinfo* cc65_scope_byid (cc65_dbginfo handle, unsigned id);
/* Return the scope with a given id. The function returns NULL if no scope
** with this id was found.
*/
const cc65_scopeinfo* cc65_scope_bymodule (cc65_dbginfo handle, unsigned module_id);
/* Return the list of scopes for one module. The function returns NULL if no
** scope with the given id was found.
*/
const cc65_scopeinfo* cc65_scope_byname (cc65_dbginfo handle, const char* name);
/* Return the list of scopes with a given name. Returns NULL if no scope with
** the given name was found, otherwise a non empty scope list.
*/
const cc65_scopeinfo* cc65_scope_byspan (cc65_dbginfo handle, unsigned span_id);
/* Return scope information for a a span. The function returns NULL if the
** span id is invalid, otherwise a list of line scopes.
*/
const cc65_scopeinfo* cc65_childscopes_byid (cc65_dbginfo handle, unsigned id);
/* Return the direct child scopes of a scope with a given id. The function
** returns NULL if no scope with this id was found, otherwise a list of the
** direct childs.
*/
void cc65_free_scopeinfo (cc65_dbginfo Handle, const cc65_scopeinfo* Info);
/* Free a scope info record */
/*****************************************************************************/
/* Segments */
/*****************************************************************************/
/* Segment information.
** Notes:
** - output_name may be NULL if the data wasn't written to the output file
** (example: bss segment)
** - output_offs is invalid if there is no output_name, and may not be of
** much use in case of a relocatable output file
*/
typedef struct cc65_segmentdata cc65_segmentdata;
struct cc65_segmentdata {
unsigned segment_id; /* The internal segment id */
const char* segment_name; /* Name of the segment */
cc65_addr segment_start; /* Start address of segment */
cc65_size segment_size; /* Size of segment */
const char* output_name; /* Output file this seg was written to */
unsigned long output_offs; /* Offset of this seg in output file */
};
typedef struct cc65_segmentinfo cc65_segmentinfo;
struct cc65_segmentinfo {
unsigned count; /* Number of data sets that follow */
cc65_segmentdata data[1]; /* Data sets, number is dynamic */
};
const cc65_segmentinfo* cc65_get_segmentlist (cc65_dbginfo handle);
/* Return a list of all segments referenced in the debug information */
const cc65_segmentinfo* cc65_segment_byid (cc65_dbginfo handle, unsigned id);
/* Return information about a segment with a specific id. The function returns
** NULL if the id is invalid (no such segment) and otherwise a cc65_segmentinfo
** structure with one entry that contains the requested segment information.
*/
const cc65_segmentinfo* cc65_segment_byname (cc65_dbginfo handle,
const char* name);
/* Return information about a segment with a specific name. The function
** returns NULL if no segment with this name exists and otherwise a
** cc65_segmentinfo structure with one entry that contains the requested
** information.
*/
void cc65_free_segmentinfo (cc65_dbginfo handle, const cc65_segmentinfo* info);
/* Free a segment info record */
/*****************************************************************************/
/* Symbols */
/*****************************************************************************/
/* Symbol information */
typedef enum {
CC65_SYM_EQUATE,
CC65_SYM_LABEL, /* Some sort of address */
CC65_SYM_IMPORT, /* An import */
} cc65_symbol_type;
/* Notes:
** - If the symbol is segment relative, the segment id gives segment
** information, otherwise it contains CC65_INV_ID.
** - If the type is CC65_SYM_IMPORT, export_id may contain the id of the
** export. This is not the case if the module contaiing the export doesn't
** have debug information.
** - For an import, the fields symbol_value and segment_id are taken from
** the export, if it is available, since imports have no value or segments
** by itself.
** - For an import symbol_size doesn't have a meaning.
** - For normal symbols (not cheap locals) parent_id contains CC65_INV_ID,
** for cheap locals it contains the symbol id of the parent symbol.
*/
typedef struct cc65_symboldata cc65_symboldata;
struct cc65_symboldata {
unsigned symbol_id; /* Id of symbol */
const char* symbol_name; /* Name of symbol */
cc65_symbol_type symbol_type; /* Type of symbol */
cc65_size symbol_size; /* Size of symbol, 0 if unknown */
long symbol_value; /* Value of symbol */
unsigned export_id; /* For imports: Matching export */
unsigned segment_id; /* Id of segment if any */
unsigned scope_id; /* The scope this symbol is in */
unsigned parent_id; /* Parent symbol for cheap locals */
};
typedef struct cc65_symbolinfo cc65_symbolinfo;
struct cc65_symbolinfo {
unsigned count; /* Number of data sets that follow */
cc65_symboldata data[1]; /* Data sets, number is dynamic */
};
const cc65_symbolinfo* cc65_symbol_byid (cc65_dbginfo handle, unsigned id);
/* Return the symbol with a given id. The function returns NULL if no symbol
** with this id was found.
*/
const cc65_symbolinfo* cc65_symbol_byname (cc65_dbginfo handle, const char* name);
/* Return a list of symbols with a given name. The function returns NULL if
** no symbol with this name was found.
*/
const cc65_symbolinfo* cc65_symbol_byscope (cc65_dbginfo handle,
unsigned scope_id);
/* Return a list of symbols in the given scope. This includes cheap local
** symbols, but not symbols in subscopes. The function returns NULL if the
** scope id is invalid (no such scope) and otherwise a - possibly empty -
** symbol list.
*/
const cc65_symbolinfo* cc65_symbol_inrange (cc65_dbginfo handle,
cc65_addr start, cc65_addr end);
/* Return a list of labels in the given range. end is inclusive. The function
** return NULL if no symbols within the given range are found. Non label
** symbols are ignored and not returned.
*/
void cc65_free_symbolinfo (cc65_dbginfo handle, const cc65_symbolinfo* info);
/* Free a symbol info record */
/*****************************************************************************/
/* Types */
/*****************************************************************************/
/* Type information */
typedef enum {
CC65_TYPE_VOID,
CC65_TYPE_BYTE,
CC65_TYPE_WORD,
CC65_TYPE_DBYTE,
CC65_TYPE_DWORD,
CC65_TYPE_PTR,
CC65_TYPE_FARPTR,
CC65_TYPE_ARRAY,
/* The following ones are currently unavailable: */
CC65_TYPE_UNION,
CC65_TYPE_STRUCT,
CC65_TYPE_FUNC,
} cc65_typetoken;
/* A type is a linked list of typedata structures. In case of arrays, the
** structure will contain an element count and the element type. In case of
** pointers, the structure will contain the type of the data, the pointer
** points to (currently, there are only VOID pointers).
** The next pointer points to the next entry in the list. It is NULL if the
** end of the list is reached.
*/
typedef struct cc65_typedata cc65_typedata;
struct cc65_typedata {
cc65_typedata* next; /* Pointer to next entry */
cc65_typetoken what; /* What kind of type is it? */
cc65_size size; /* The size of the data */
/* Depending on "what", one of the members of this union follows */
union {
/* In case of CC65_TYPE_PTR or CC65_TYPE_FARPTR */
struct {
const cc65_typedata* ind_type; /* Type the pointer points to */
} ptr;
/* In case of CC65_TYPE_ARRAY */
struct {
cc65_size ele_count; /* Element count */
const cc65_typedata* ele_type; /* Element type */
} array;
} data;
};
const cc65_typedata* cc65_type_byid (cc65_dbginfo handle, unsigned id);
/* Return the data for the type with the given id. The function returns NULL
** if no type with this id was found.
*/
void cc65_free_typedata (cc65_dbginfo Handle, const cc65_typedata* data);
/* Free a symbol info record */
/* Allow usage from C++ */
#ifdef __cplusplus
}
#endif
/* End of dbginfo.h */
#endif
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