41c6156e1d
git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@931 626c5289-ae23-0410-ae9c-e8d60b6d4f22
104 lines
4.2 KiB
C
104 lines
4.2 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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#ifndef MAX_PATH
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#define MAX_PATH 1024
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#endif
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/* Typedef's for various addresses and sizes */
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typedef char * wadaddr_t;
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typedef unsigned long wadlen_t;
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/* Memory management */
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extern void *wadmalloc(unsigned int);
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extern void wadfree(void *ptr);
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typedef struct WadSegment {
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wadaddr_t vaddr; /* Virtual address start */
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wadlen_t size; /* Size of the segment (bytes) */
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int flags; /* Memory access permissions */
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wadlen_t 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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int identifier; /* identifier (if SysV shmem) */
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long wad; /* Private wad data (if any) */
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} WadSegment;
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extern void wad_segment_print(WadSegment *s);
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extern WadSegment *wad_segment_find(wadaddr_t addr);
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extern WadSegment *wad_segment_first();
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extern WadSegment *wad_segment_next();
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/* Structure for managing object files */
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typedef struct WadObject {
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void *mptr; /* mmap'd pointer */
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int mlen; /* mmap'd length */
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void *ptr; /* Pointer to real data */
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int len; /* Length of real data */
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int refcnt; /* Reference count */
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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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} WadObject;
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extern char *wad_find_symbol(WadObject *wo, void *ptr, unsigned base, unsigned long *value);
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/* Maximum number of object files that can be simultaneously loaded into memory */
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#define WAD_MAX_OBJECT 32
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extern WadObject *wad_object_load(const char *path);
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extern WadObject *wad_arobject_load(const char *path, const char *name);
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extern void wad_object_release(WadObject *);
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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_set_return(char *name, long value);
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extern int wad_elf_check(WadObject *wo);
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extern void wad_elf_debug(WadObject *wo);
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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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} WadDebug;
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extern WadDebug *wad_search_stab(void *stab, int size, char *stabstr, char *symbol, unsigned long offset);
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extern WadDebug *wad_debug_info(WadObject *wo, char *symbol, unsigned long offset);
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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 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 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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char data[8]; /* Frame data */
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} WadFrame;
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