dyninstAPI/h/BPatch_snippet.h

   1 /*
   2  * Copyright (c) 1996 Barton P. Miller
   3  *
   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.
  10  *
  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.
  17  *
  18  * (for other uses, please contact us at paradyn@cs.wisc.edu)
  19  *
  20  * All warranties, including without limitation, any warranty of
  21  * merchantability or fitness for a particular purpose, are hereby
  22  * excluded.
  23  *
  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.
  29  *
  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.
  40  */
  41
  42 #ifndef _BPatch_snippet_h_
  43 #define _BPatch_snippet_h_
  44
  45 #include "BPatch_dll.h"
  46 #include "BPatch_Vector.h"
  47 #include "BPatch_sourceObj.h"
  48 #include "BPatch_point.h"
  49 #include "BPatch_type.h"
  50 #include "BPatch_module.h"
  51 #include "BPatch_function.h"
  52
  53 class AstNode;
  54 class process;
  55
  56 typedef enum {
  57     BPatch_lt,
  58     BPatch_eq,
  59     BPatch_gt,
  60     BPatch_le,
  61     BPatch_ne,
  62     BPatch_ge,
  63     BPatch_and,
  64     BPatch_or
  65 } BPatch_relOp;
  66
  67 typedef enum {
  68     BPatch_assign,
  69     BPatch_plus,
  70     BPatch_minus,
  71     BPatch_divide,
  72     BPatch_times,
  73     BPatch_mod,
  74     BPatch_ref,
  75     BPatch_seq
  76 } BPatch_binOp;
  77
  78 typedef enum {
  79     BPatch_negate,
  80     BPatch_addr,
  81     BPatch_deref
  82 } BPatch_unOp;
  83
  84 class BPATCH_DLL_EXPORT BPatch_snippet {
  85 public:
  86 // The following members are for  internal use by the library only:
  87     AstNode     *ast; /* XXX It would be better if this was protected */
  88 // End members for internal use only.
  89
  90     BPatch_snippet() : ast(NULL) {};
  91     BPatch_snippet(const BPatch_snippet &);
  92     BPatch_snippet &operator=(const BPatch_snippet &);
  93
  94     virtual     ~BPatch_snippet();
  95
  96     float       getCost();
  97 };
  98
  99 class BPATCH_DLL_EXPORT BPatch_arithExpr: public BPatch_snippet {
 100 public:
 101     BPatch_arithExpr(BPatch_binOp op,
 102                      const BPatch_snippet &lOperand,
 103                      const BPatch_snippet &rOperand);
 104     BPatch_arithExpr(BPatch_unOp op, const BPatch_snippet &lOperand);
 105 };
 106
 107 class BPATCH_DLL_EXPORT BPatch_boolExpr : public BPatch_snippet {
 108 public:
 109     BPatch_boolExpr(BPatch_relOp op, const BPatch_snippet &lOperand,
 110                     const BPatch_snippet &rOperand);
 111 };
 112
 113 class BPATCH_DLL_EXPORT BPatch_constExpr : public BPatch_snippet {
 114 public:
 115     BPatch_constExpr(int value);
 116 #ifdef BPATCH_NOT_YET
 117     BPatch_constExpr(float value);
 118 #endif
 119     BPatch_constExpr(const char *value);
 120     BPatch_constExpr(const void *value);
 121 };
 122
 123 class BPATCH_DLL_EXPORT BPatch_funcCallExpr : public BPatch_snippet {
 124 public:
 125     BPatch_funcCallExpr(const BPatch_function& func,
 126                         const BPatch_Vector<BPatch_snippet *> &args);
 127 };
 128
 129 class BPATCH_DLL_EXPORT BPatch_funcJumpExpr : public BPatch_snippet {
 130 public:
 131      BPatch_funcJumpExpr(const BPatch_function& func);
 132 };
 133
 134 class BPATCH_DLL_EXPORT BPatch_ifExpr : public BPatch_snippet {
 135 public:
 136     BPatch_ifExpr(const BPatch_boolExpr &conditional,
 137                   const BPatch_snippet &tClase);
 138     BPatch_ifExpr(const BPatch_boolExpr &conditional,
 139                   const BPatch_snippet &tClase,
 140                   const BPatch_snippet &fClause);
 141 };
 142
 143 class BPATCH_DLL_EXPORT BPatch_nullExpr : public BPatch_snippet {
 144 public:
 145     BPatch_nullExpr();
 146 };
 147
 148 class BPATCH_DLL_EXPORT BPatch_paramExpr : public BPatch_snippet {
 149 public:
 150     BPatch_paramExpr(int n);
 151 };
 152
 153 class BPATCH_DLL_EXPORT BPatch_retExpr : public BPatch_snippet {
 154 public:
 155     BPatch_retExpr();
 156 };
 157
 158 class BPATCH_DLL_EXPORT BPatch_sequence : public BPatch_snippet {
 159 public:
 160     BPatch_sequence(const BPatch_Vector<BPatch_snippet *> &items);
 161 };
 162
 163 class BPATCH_DLL_EXPORT BPatch_variableExpr : public BPatch_snippet {
 164     char                *name;
 165     process             *proc;
 166     void                *address;
 167     int                 size;
 168     BPatch_point        *scope;
 169 public:
 170 // The following functions are for internal use by the library only:
 171     BPatch_variableExpr(char *name, process *in_process, void *in_address,
 172                         const BPatch_type *type);
 173     BPatch_variableExpr(process *in_process, void *in_address,
 174                         const BPatch_type *type, bool frameRelative = false,
 175                         BPatch_point *sc = NULL);
 176     BPatch_variableExpr(process *in_process, void *in_address,
 177                         int in_size);
 178     BPatch_variableExpr(char *in_name, process *in_process, AstNode *_ast,
 179                         const BPatch_type *type);
 180
 181 // Public functions for use by users of the library:
 182     bool readValue(void *dst);
 183     void readValue(void *dst, int len);
 184     bool writeValue(const void *src);
 185     void writeValue(const void *src, int len);
 186
 187     char *getName() { return name; }
 188     void *getBaseAddr() const { return address; }
 189     unsigned int getSize() const { return size; }
 190     const BPatch_type *getType();
 191     void setType(BPatch_type *);
 192     void setSize(int sz) {  size = sz; }
 193     BPatch_Vector<BPatch_variableExpr *> *getComponents();
 194 };
 195
 196 class BPATCH_DLL_EXPORT BPatch_breakPointExpr : public BPatch_snippet {
 197 public:
 198     BPatch_breakPointExpr();
 199 };
 200
 201 #endif /* _BPatch_snippet_h_ */