2 * Copyright (c) 1996 Barton P. Miller
4 * We provide the Paradyn Parallel Performance Tools (below
5 * described as Paradyn") on an AS IS basis, and do not warrant its
6 * validity or performance. We reserve the right to update, modify,
7 * or discontinue this software at any time. We shall have no
8 * obligation to supply such updates or modifications or any other
9 * form of support to you.
11 * This license is for research uses. For such uses, there is no
12 * charge. We define "research use" to mean you may freely use it
13 * inside your organization for whatever purposes you see fit. But you
14 * may not re-distribute Paradyn or parts of Paradyn, in any form
15 * source or binary (including derivatives), electronic or otherwise,
16 * to any other organization or entity without our permission.
18 * (for other uses, please contact us at paradyn@cs.wisc.edu)
20 * All warranties, including without limitation, any warranty of
21 * merchantability or fitness for a particular purpose, are hereby
24 * By your use of Paradyn, you understand and agree that we (or any
25 * other person or entity with proprietary rights in Paradyn) are
26 * under no obligation to provide either maintenance services,
27 * update services, notices of latent defects, or correction of
28 * defects for Paradyn.
30 * Even if advised of the possibility of such damages, under no
31 * circumstances shall we (or any other person or entity with
32 * proprietary rights in the software licensed hereunder) be liable
33 * to you or any third party for direct, indirect, or consequential
34 * damages of any character regardless of type of action, including,
35 * without limitation, loss of profits, loss of use, loss of good
36 * will, or computer failure or malfunction. You agree to indemnify
37 * us (and any other person or entity with proprietary rights in the
38 * software licensed hereunder) for any and all liability it may
39 * incur to third parties resulting from your use of Paradyn.
42 #if !defined(solaris_dl_hdr)
43 #define solaris_dl_hdr
45 #include "util/h/Vector.h"
46 #include "paradynd/src/sharedobject.h"
50 // All platform specific dynamic linking info. is in this class
51 // each version of this class must have the following funcitons:
52 // getSharedObjects, addSharedObject, isDynamic
54 class dynamic_linking {
58 dynamic_linking(){ dynlinked = false; r_debug_addr = 0;}
61 // getProcessSharedObjects: This routine is called after attaching to
62 // an already running process p, or when a process reaches the breakpoint at
63 // the entry point of main(). It gets all shared objects that have been
64 // mapped into the process's address space
65 // returns 0 on error or if there are no shared objects
66 vector< shared_object *> *getSharedObjects(process *p);
68 // addASharedObject: This routine is called whenever a new shared object
69 // has been loaded by the run-time linker
70 // It processes the image, creates new resources
71 // Currently, this is not implemented, because we are not handleing
72 // adding shared objects after the executable starts executing main()
73 shared_object *addSharedObject(process *){ return 0;}
75 // returns true if the executable is dynamically linked
76 bool isDynamic(){ return(dynlinked);}
83 // get_ld_base_addr: This routine returns the base address of ld.so.1
84 // it returns true on success, and false on error
85 bool dynamic_linking::get_ld_base_addr(u_int &addr, int proc_fd);
87 // find_r_debug: this routine finds the symbol table for ld.so.1, and
88 // parses it to find the address of symbol r_debug
89 // it returns false on error
90 bool find_r_debug(u_int ld_fd,u_int ld_base_addr);
92 // processLinkMaps: This routine is called by getSharedObjects to
93 // process all shared objects that have been mapped into the process's
94 // address space. This routine reads the link maps from the application
95 // process to find the shared object file base mappings. returns 0 on error
96 vector<shared_object *> *processLinkMaps(process *p);