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.
43 #ifdef rs6000_ibm_aix4_1
47 #include "BPatch_point.h"
48 #include "BPatch_snippet.h"
51 #include "instPoint.h"
55 * BPatch_point::getCalledFunction
57 * For a BPatch_point representing a call site, returns a pointer to a
58 * BPatch_function that represents the function being called. If the point
59 * isn't a call site, returns NULL.
61 BPatch_function *BPatch_point::getCalledFunction()
65 // XXX Should get rid of the machine-dependent stuff here
66 #if defined(sparc_sun_sunos4_1_3) || defined(sparc_sun_solaris2_4)
67 if (point->ipType != callSite)
69 #elif defined(rs6000_ibm_aix3_2) || defined(rs6000_ibm_aix4_1)
70 if (point->ipLoc != ipFuncCallPoint)
72 #elif defined(i386_unknown_solaris2_5) || defined(i386_unknown_nt4_0)
73 if (!point->insnAtPoint().isCall())
78 if (!proc->findCallee(*point, func))
82 return new BPatch_function(proc, func);
89 * BPatch_point::getAddress
91 * Returns the original address of the first instruction at this point.
93 void *BPatch_point::getAddress()
95 return point->iPgetAddress();
100 * BPatch_point::getDisplacedInstructions
102 * Returns the instructions to be relocated when instrumentation is inserted
103 * at this point. Returns the number of bytes taken up by these instructions.
105 * maxSize The maximum number of bytes of instructions to return.
106 * insns A pointer to a buffer in which to return the instructions.
108 int BPatch_point::getDisplacedInstructions(int maxSize, void *insns)
110 #ifdef rs6000_ibm_aix4_1
111 if (maxSize >= sizeof(instruction))
112 memcpy(insns, &point->originalInstruction.raw, sizeof(instruction));
114 return sizeof(instruction);
116 // Not implemented except on AIX
123 * BPatch_point::usesTrap_NP
125 * Returns true if this point is or would be instrumented with a trap, rather
126 * than a jump to the base tramp, false otherwise. On platforms that do not
127 * use traps (everything other than x86), it always returns false;
129 bool BPatch_point::usesTrap_NP()
131 #if defined(i386_unknown_solaris2_5) || defined(i386_unknown_nt4_0)
135 return point->usesTrap(proc);