4d874312ec
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@947 626c5289-ae23-0410-ae9c-e8d60b6d4f22
181 lines
6.3 KiB
C
181 lines
6.3 KiB
C
/* -----------------------------------------------------------------------------
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* wad.h
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*
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* WAD header file (obviously)
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*
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* Author(s) : David Beazley (beazley@cs.uchicago.edu)
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*
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* Copyright (C) 2000. The University of Chicago
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* See the file LICENSE for information on usage and redistribution.
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* ----------------------------------------------------------------------------- */
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#include <stdio.h>
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#include <unistd.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <sys/mman.h>
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#include <ctype.h>
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#include <sys/ucontext.h>
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#ifdef WAD_SOLARIS
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#include <procfs.h>
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef MAX_PATH
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#define MAX_PATH 1024
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#endif
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/* Memory segments */
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typedef struct WadSegment {
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char *base; /* Base address for symbol lookup */
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char *vaddr; /* Virtual address start */
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unsigned long size; /* Size of the segment (bytes) */
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unsigned long offset; /* Offset into mapped object */
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char mapname[MAX_PATH]; /* Filename mapped to this region */
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char mappath[MAX_PATH]; /* Full path to mapname */
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} WadSegment;
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extern WadSegment *wad_segment_read();
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extern WadSegment *wad_segment_find(WadSegment *s, void *vaddr);
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extern void wad_segment_release(WadSegment *s);
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/* Object file handling */
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typedef struct WadObjectFile {
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struct WadFile *file; /* File data (private) */
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int refcnt; /* Reference count */
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void *ptr; /* Pointer to data */
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int len; /* Length of data */
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int type; /* Type of the object file */
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char path[MAX_PATH]; /* Path name of this object */
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} WadObjectFile;
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extern void wad_object_init();
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extern WadObjectFile *wad_object_load(const char *path);
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extern void wad_object_release(WadObjectFile *);
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extern void wad_object_cleanup();
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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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/* 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_set_return(const char *name, long value);
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extern void wad_set_return_value(long value);
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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 WadParm {
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char name[64];
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int loc;
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int type;
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int value;
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} WadParm;
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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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WadParm parms[100]; /* Parameters */
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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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/* This data structure is used to report exception data back to handler functions
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The offset fields contain offsets from the start of the frame to a location in
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the data segment */
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typedef struct WadFrame {
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long size; /* Frame size */
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long lastsize; /* Size of previous frame */
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long last; /* Last frame ? */
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long frameno; /* Frame number */
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long pc; /* Program counter */
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long sp; /* Stack pointer */
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long fp; /* Frame pointer */
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long nargs; /* Number of arguments */
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long arg_off; /* Argument offset */
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long line_number; /* Source line number */
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long sym_base; /* Symbol base address */
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long sym_off; /* Symbol name offset */
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long src_off; /* Source filename offset */
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long obj_off; /* Object filename offset */
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long stack_off; /* Stack offset */
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long stack_size; /* Size of the stack segment */
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long regs[16]; /* Integer registers (%on, %ln) */
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double fregs[16]; /* Floating point registers */
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char data[8]; /* Frame data */
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} WadFrame;
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#define SRCFILE(x) ((char *) x) + x->src_off
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#define SYMBOL(x) ((char *) x) + x->sym_off
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#define OBJFILE(x) ((char *) x) + x->obj_off
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#define STACK(x) (long *) (((char *) x) + x->stack_off)
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#define ARGUMENTS(x) (WadParm *) (((char *) x) + x->arg_off)
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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 char *wad_arg_string(WadFrame *f);
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typedef struct {
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char name[128];
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long value;
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} WadReturnFunc;
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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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/* --- Debugging Interface --- */
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#define DEBUG_SEGMENT 0x1
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#define DEBUG_SYMBOL 0x2
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#define DEBUG_STABS 0x4
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#define DEBUG_OBJECT 0x8
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#define DEBUG_FILE 0x10
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#define DEBUG_HOLD 0x20
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#define DEBUG_RETURN 0x40
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extern int wad_debug_mode;
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#ifdef __cplusplus
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}
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#endif
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