projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 9f14eebc LM |
1 | /* Data structures and functions associated with agent expressions in GDB. |
| 2 | Copyright (C) 2009-2012 Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 3 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 18 | ||
| 19 | #if !defined (AX_H) | |
| 20 | #define AX_H 1 | |
| 21 | ||
| 22 | #include "server.h" | |
| 23 | #include "regcache.h" | |
| 24 | ||
| 25 | #ifdef IN_PROCESS_AGENT | |
| 26 | extern int debug_agent; | |
| 27 | #define debug_threads debug_agent | |
| 28 | #endif | |
| 29 | ||
| 30 | struct traceframe; | |
| 31 | ||
| 32 | /* Enumeration of the different kinds of things that can happen during | |
| 33 | agent expression evaluation. */ | |
| 34 | ||
| 35 | enum eval_result_type | |
| 36 | { | |
| 37 | expr_eval_no_error, | |
| 38 | expr_eval_empty_expression, | |
| 39 | expr_eval_empty_stack, | |
| 40 | expr_eval_stack_overflow, | |
| 41 | expr_eval_stack_underflow, | |
| 42 | expr_eval_unhandled_opcode, | |
| 43 | expr_eval_unrecognized_opcode, | |
| 44 | expr_eval_divide_by_zero, | |
| 45 | expr_eval_invalid_goto | |
| 46 | }; | |
| 47 | ||
| 48 | struct agent_expr | |
| 49 | { | |
| 50 | int length; | |
| 51 | ||
| 52 | unsigned char *bytes; | |
| 53 | }; | |
| 54 | ||
| 55 | #ifndef IN_PROCESS_AGENT | |
| 56 | ||
| 57 | /* The packet form of an agent expression consists of an 'X', number | |
| 58 | of bytes in expression, a comma, and then the bytes. */ | |
| 59 | struct agent_expr *gdb_parse_agent_expr (char **actparm); | |
| 60 | ||
| 61 | /* Convert the bytes of an agent expression back into hex digits, so | |
| 62 | they can be printed or uploaded. This allocates the buffer, | |
| 63 | callers should free when they are done with it. */ | |
| 64 | char *gdb_unparse_agent_expr (struct agent_expr *aexpr); | |
| 65 | void emit_prologue (void); | |
| 66 | void emit_epilogue (void); | |
| 67 | enum eval_result_type compile_bytecodes (struct agent_expr *aexpr); | |
| 68 | #endif | |
| 69 | ||
| 70 | enum eval_result_type gdb_eval_agent_expr (struct regcache *regcache, | |
| 71 | struct traceframe *tframe, | |
| 72 | struct agent_expr *aexpr, | |
| 73 | ULONGEST *rslt); | |
| 74 | #endif /* AX_H */ |