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75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/* Data structures and functions associated with agent expressions in GDB.
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Copyright (C) 2009-2012 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#if !defined (AX_H)
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#define AX_H 1
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#include "server.h"
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#include "regcache.h"
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#ifdef IN_PROCESS_AGENT
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extern int debug_agent;
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#define debug_threads debug_agent
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#endif
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struct traceframe;
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/* Enumeration of the different kinds of things that can happen during
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agent expression evaluation. */
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enum eval_result_type
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{
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expr_eval_no_error,
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expr_eval_empty_expression,
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expr_eval_empty_stack,
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expr_eval_stack_overflow,
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expr_eval_stack_underflow,
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expr_eval_unhandled_opcode,
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expr_eval_unrecognized_opcode,
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expr_eval_divide_by_zero,
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expr_eval_invalid_goto
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};
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struct agent_expr
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{
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int length;
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unsigned char *bytes;
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};
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#ifndef IN_PROCESS_AGENT
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/* The packet form of an agent expression consists of an 'X', number
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of bytes in expression, a comma, and then the bytes. */
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struct agent_expr *gdb_parse_agent_expr (char **actparm);
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/* Convert the bytes of an agent expression back into hex digits, so
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they can be printed or uploaded. This allocates the buffer,
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callers should free when they are done with it. */
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char *gdb_unparse_agent_expr (struct agent_expr *aexpr);
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void emit_prologue (void);
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void emit_epilogue (void);
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enum eval_result_type compile_bytecodes (struct agent_expr *aexpr);
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#endif
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enum eval_result_type gdb_eval_agent_expr (struct regcache *regcache,
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struct traceframe *tframe,
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struct agent_expr *aexpr,
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ULONGEST *rslt);
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#endif /* AX_H */
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