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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@931 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Dave Beazley 2000-10-28 14:51:41 +00:00
commit 2659475432
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104
Tools/WAD/Include/wad.h Normal file
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/* -----------------------------------------------------------------------------
* wad.h
*
* WAD header file (obviously)
*
* Author(s) : David Beazley (beazley@cs.uchicago.edu)
*
* Copyright (C) 2000. The University of Chicago
* See the file LICENSE for information on usage and redistribution.
* ----------------------------------------------------------------------------- */
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <fcntl.h>
#include <limits.h>
#ifndef MAX_PATH
#define MAX_PATH 1024
#endif
/* Typedef's for various addresses and sizes */
typedef char * wadaddr_t;
typedef unsigned long wadlen_t;
/* Memory management */
extern void *wadmalloc(unsigned int);
extern void wadfree(void *ptr);
typedef struct WadSegment {
wadaddr_t vaddr; /* Virtual address start */
wadlen_t size; /* Size of the segment (bytes) */
int flags; /* Memory access permissions */
wadlen_t offset; /* Offset into mapped object */
char mapname[MAX_PATH]; /* Filename mapped to this region */
char mappath[MAX_PATH]; /* Full path to mapname */
int identifier; /* identifier (if SysV shmem) */
long wad; /* Private wad data (if any) */
} WadSegment;
extern void wad_segment_print(WadSegment *s);
extern WadSegment *wad_segment_find(wadaddr_t addr);
extern WadSegment *wad_segment_first();
extern WadSegment *wad_segment_next();
/* Structure for managing object files */
typedef struct WadObject {
void *mptr; /* mmap'd pointer */
int mlen; /* mmap'd length */
void *ptr; /* Pointer to real data */
int len; /* Length of real data */
int refcnt; /* Reference count */
int type; /* Type of the object file */
char path[MAX_PATH]; /* Path name of this object */
} WadObject;
extern char *wad_find_symbol(WadObject *wo, void *ptr, unsigned base, unsigned long *value);
/* Maximum number of object files that can be simultaneously loaded into memory */
#define WAD_MAX_OBJECT 32
extern WadObject *wad_object_load(const char *path);
extern WadObject *wad_arobject_load(const char *path, const char *name);
extern void wad_object_release(WadObject *);
extern void wad_init();
extern void wad_signalhandler(int, siginfo_t *, void *);
extern void wad_set_return(char *name, long value);
extern int wad_elf_check(WadObject *wo);
extern void wad_elf_debug(WadObject *wo);
/* Debugging information */
typedef struct WadDebug {
int found; /* Whether or not debugging information was found */
char srcfile[1024]; /* Source file */
char objfile[1024]; /* Object file */
int line_number; /* Line number */
int nargs; /* Number of function arguments */
} WadDebug;
extern WadDebug *wad_search_stab(void *stab, int size, char *stabstr, char *symbol, unsigned long offset);
extern WadDebug *wad_debug_info(WadObject *wo, char *symbol, unsigned long offset);
/* This data structure is used to report exception data back to handler functions
The offset fields contain offsets from the start of the frame to a location in
the data segment */
typedef struct WadFrame {
long size; /* Frame size */
long frameno; /* Frame number */
long pc; /* Program counter */
long sp; /* Stack pointer */
long fp; /* Frame pointer */
long line_number; /* Source line number */
long sym_base; /* Symbol base address */
long sym_off; /* Symbol name offset */
long src_off; /* Source filename offset */
long obj_off; /* Object filename offset */
char data[8]; /* Frame data */
} WadFrame;