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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@1012 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
Dave Beazley
parent
f8c098f917
commit
11790dbca8
14 changed files with 720 additions and 625 deletions
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@ -33,7 +33,7 @@ extern "C" {
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#define MAX_PATH 1024
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#endif
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/* --- Low level memory management --- */
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/* --- Low level memory management functions --- */
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extern int wad_memory_init();
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extern void *wad_malloc(int nbytes);
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@ -59,8 +59,9 @@ typedef struct WadSegment {
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extern int wad_segment_read();
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extern WadSegment *wad_segment_find(void *vaddr);
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extern int wad_segment_valid(void *vaddr);
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/* --- Object file handling --- */
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/* --- Object files --- */
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typedef struct WadObjectFile {
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void *ptr; /* Pointer to data */
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int len; /* Length of data */
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@ -72,89 +73,101 @@ typedef struct WadObjectFile {
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extern void wad_object_reset();
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extern WadObjectFile *wad_object_load(const char *path);
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/* --- Symbol table information --- */
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typedef struct WadSymbol {
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char *name; /* Symbol table name */
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char *file; /* Source file (if any) */
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int type; /* Symbol type */
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int bind; /* Symbol bind */
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unsigned long value; /* Symbol value */
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} WadSymbol;
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#define WS_LOCAL 1
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#define WS_GLOBAL 2
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extern char *wad_find_symbol(WadObjectFile *wo, void *ptr, unsigned base, WadSymbol *ws);
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#define SYM_LOCAL 1
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#define SYM_GLOBAL 2
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/* Signal handling */
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extern void wad_init();
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extern void wad_signalhandler(int, siginfo_t *, void *);
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extern void wad_signal_init();
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extern void wad_signal_clear();
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extern void wad_set_return(const char *name, long value);
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extern void wad_set_return_value(long value);
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extern void wad_set_return_func(void (*f)(void));
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extern int wad_elf_check(WadObjectFile *wo);
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extern void wad_elf_debug(WadObjectFile *wo);
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typedef struct WadLocal {
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char *name; /* Name of the local */
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void *ptr; /* Pointer to data */
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int size; /* Size of the data */
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int type; /* Data type */
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int loc; /* Location: register or stack */
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int type; /* Argument type */
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unsigned long position; /* Position on the stack */
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int stack; /* location on the stack */
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int reg; /* Register number */
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int line; /* Line number where defined */
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struct WadLocal *next;
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} WadLocal;
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/* Debugging information */
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typedef struct WadDebug {
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int found; /* Whether or not debugging information was found */
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char srcfile[1024]; /* Source file */
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char objfile[1024]; /* Object file */
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int line_number; /* Line number */
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int nargs; /* Number of function arguments */
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WadLocal *args; /* Arguments */
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WadLocal *lastarg;
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} WadDebug;
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#define PARM_REGISTER 1
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#define PARM_STACK 2
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extern int wad_search_stab(void *stab, int size, char *stabstr, WadSymbol *symbol, unsigned long offset, WadDebug *wd);
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extern int wad_debug_info(WadObjectFile *wo, WadSymbol *wsym, unsigned long offset, WadDebug *wd);
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/* Type codes for local variables */
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#define TYPE_UNKNOWN 0
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#define TYPE_INT32 1
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#define TYPE_INT16 2
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#define TYPE_INT8 3
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#define TYPE_INT64 4
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#define TYPE_UINT32 5
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#define TYPE_UINT16 6
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#define TYPE_UINT8 7
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#define TYPE_UINT64 8
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#define TYPE_FLOAT 9
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#define TYPE_DOUBLE 10
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#define TYPE_POINTER 11
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/* Data structure containing information about each stack frame */
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typedef struct WadFrame {
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long frameno; /* Frame number */
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long pc; /* Real PC */
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long sp; /* Real SP */
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long fp; /* Real FP */
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char *psp; /* Pointer to where the actual stack data is stored */
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int stack_size; /* Stack frame size */
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char *symbol; /* Symbol name */
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long sym_base; /* Symbol base address */
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char *objfile; /* Object file */
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char *srcfile; /* Source file */
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int line_number; /* Source line */
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int nargs; /* Number of arguments */
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WadLocal *args; /* Function arguments */
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WadLocal *lastarg; /* Last argument */
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int nlocals; /* Number of locals */
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long frameno; /* Frame number */
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struct WadFrame *next; /* Next frame up the stack */
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struct WadFrame *prev; /* Previous frame down the stack */
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/* Stack context information */
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long pc; /* Real PC */
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long sp; /* Real SP */
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long fp; /* Real FP */
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char *stack; /* Pointer to where a copy of the stack frame is stored */
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int stack_size; /* Stack frame size (fp-sp) */
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/* Loading information. Contains information from /proc as well as a pointer to
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the executable or shared library in which the PC is located */
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WadSegment *segment; /* Memory segment corresponding to PC */
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WadObjectFile *object; /* Object file corresponding to PC */
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/* Symbol table information for PC */
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char *sym_name; /* Symbol name */
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char *sym_file; /* Source file (if any) */
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unsigned long sym_base; /* Symbol base address */
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unsigned long sym_size; /* Symbol size */
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int sym_type; /* Symbol type */
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int sym_bind; /* Symbol binding */
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/* Location information */
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char *loc_objfile; /* Object filename */
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char *loc_srcfile; /* Source filename */
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int loc_line; /* Source line */
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/* Debugging information */
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int debug_nargs; /* Number of arguments */
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WadLocal *debug_args; /* Arguments */
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WadLocal *debug_lastarg; /* Last argument */
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int last; /* Last frame flag */
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struct WadFrame *next; /* Next frame up the stack */
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struct WadFrame *prev; /* Previous frame down the stack */
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} WadFrame;
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extern WadFrame *wad_stack_trace(unsigned long, unsigned long, unsigned long);
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extern char *wad_strip_dir(char *);
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extern void wad_default_callback(int signo, WadFrame *frame, char *ret);
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extern void wad_set_callback(void (*h)(int, WadFrame *, char *));
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extern char *wad_load_source(char *, int line);
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extern void wad_release_source();
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extern void wad_release_trace();
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extern long wad_steal_arg(WadFrame *f, char *symbol, int argno, int *error);
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extern long wad_steal_outarg(WadFrame *f, char *symbol, int argno, int *error);
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extern void wad_stack_debug(WadFrame *f);
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extern char *wad_strip_dir(char *);
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extern void wad_default_callback(int signo, WadFrame *frame, char *ret);
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extern void wad_set_callback(void (*h)(int, WadFrame *, char *));
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extern char *wad_load_source(char *, int line);
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extern void wad_release_source();
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extern void wad_release_trace();
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extern long wad_steal_arg(WadFrame *f, char *symbol, int argno, int *error);
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extern long wad_steal_outarg(WadFrame *f, char *symbol, int argno, int *error);
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extern char *wad_arg_string(WadFrame *f);
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@ -166,6 +179,14 @@ typedef struct {
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extern void wad_set_returns(WadReturnFunc *rf);
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extern WadReturnFunc *wad_check_return(const char *name);
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extern int wad_search_stab(void *stab, int size, char *stabstr, WadFrame *f);
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extern void wad_find_object(WadFrame *f);
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extern void wad_find_symbol(WadFrame *f);
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extern void wad_find_debug(WadFrame *f);
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extern void wad_build_vars(WadFrame *f);
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extern char *wad_format_var(WadLocal *l);
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/* --- Debugging Interface --- */
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#define DEBUG_SEGMENT 0x1
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@ -186,7 +207,17 @@ extern WadReturnFunc *wad_check_return(const char *name);
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extern int wad_debug_mode;
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extern int wad_heap_overflow;
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#ifdef WAD_LINUX
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#define WAD_LITTLE_ENDIAN
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#endif
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#ifdef WAD_SOLARIS
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#define WAD_BIG_ENDIAN
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#endif
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#ifdef __cplusplus
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}
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#endif
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