Commit | Line | Data |
---|---|---|
270c6aea | 1 | /* Tracepoint code for remote server for GDB. |
ecd75fc8 | 2 | Copyright (C) 1993-2014 Free Software Foundation, Inc. |
270c6aea PA |
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 | #ifndef TRACEPOINT_H | |
20 | #define TRACEPOINT_H | |
21 | ||
22 | /* Size for a small buffer to report problems from the in-process | |
23 | agent back to GDBserver. */ | |
24 | #define IPA_BUFSIZ 100 | |
25 | ||
26 | void initialize_tracepoint (void); | |
27 | ||
28 | extern int tracing; | |
29 | extern int disconnected_tracing; | |
30 | ||
31 | void tracepoint_look_up_symbols (void); | |
32 | ||
33 | void stop_tracing (void); | |
34 | ||
35 | int handle_tracepoint_general_set (char *own_buf); | |
36 | int handle_tracepoint_query (char *own_buf); | |
37 | ||
38 | int tracepoint_finished_step (struct thread_info *tinfo, CORE_ADDR stop_pc); | |
39 | int tracepoint_was_hit (struct thread_info *tinfo, CORE_ADDR stop_pc); | |
40 | ||
41 | void release_while_stepping_state_list (struct thread_info *tinfo); | |
42 | ||
43 | extern int current_traceframe; | |
44 | ||
45 | int in_readonly_region (CORE_ADDR addr, ULONGEST length); | |
46 | int traceframe_read_mem (int tfnum, CORE_ADDR addr, | |
47 | unsigned char *buf, ULONGEST length, | |
48 | ULONGEST *nbytes); | |
49 | int fetch_traceframe_registers (int tfnum, | |
50 | struct regcache *regcache, | |
51 | int regnum); | |
52 | ||
53 | int traceframe_read_sdata (int tfnum, ULONGEST offset, | |
54 | unsigned char *buf, ULONGEST length, | |
55 | ULONGEST *nbytes); | |
56 | ||
57 | int traceframe_read_info (int tfnum, struct buffer *buffer); | |
58 | ||
59 | /* If a thread is determined to be collecting a fast tracepoint, this | |
60 | structure holds the collect status. */ | |
61 | ||
62 | struct fast_tpoint_collect_status | |
63 | { | |
64 | /* The tracepoint that is presently being collected. */ | |
65 | int tpoint_num; | |
66 | CORE_ADDR tpoint_addr; | |
67 | ||
68 | /* The address range in the jump pad of where the original | |
69 | instruction the tracepoint jump was inserted was relocated | |
70 | to. */ | |
71 | CORE_ADDR adjusted_insn_addr; | |
72 | CORE_ADDR adjusted_insn_addr_end; | |
73 | }; | |
74 | ||
75 | int fast_tracepoint_collecting (CORE_ADDR thread_area, | |
76 | CORE_ADDR stop_pc, | |
77 | struct fast_tpoint_collect_status *status); | |
78 | void force_unlock_trace_buffer (void); | |
79 | ||
80 | int handle_tracepoint_bkpts (struct thread_info *tinfo, CORE_ADDR stop_pc); | |
81 | ||
82 | #ifdef IN_PROCESS_AGENT | |
83 | void initialize_low_tracepoint (void); | |
84 | void supply_fast_tracepoint_registers (struct regcache *regcache, | |
85 | const unsigned char *regs); | |
86 | void supply_static_tracepoint_registers (struct regcache *regcache, | |
87 | const unsigned char *regs, | |
88 | CORE_ADDR pc); | |
89 | void set_trampoline_buffer_space (CORE_ADDR begin, CORE_ADDR end, | |
90 | char *errmsg); | |
91 | ||
92 | extern const struct target_desc *ipa_tdesc; | |
93 | ||
94 | #else | |
95 | void stop_tracing (void); | |
96 | ||
97 | int claim_trampoline_space (ULONGEST used, CORE_ADDR *trampoline); | |
98 | int have_fast_tracepoint_trampoline_buffer (char *msgbuf); | |
99 | void gdb_agent_about_to_close (int pid); | |
100 | #endif | |
101 | ||
102 | struct traceframe; | |
103 | struct eval_agent_expr_context; | |
104 | ||
105 | /* Do memory copies for bytecodes. */ | |
106 | /* Do the recording of memory blocks for actions and bytecodes. */ | |
107 | ||
108 | int agent_mem_read (struct eval_agent_expr_context *ctx, | |
109 | unsigned char *to, CORE_ADDR from, | |
110 | ULONGEST len); | |
111 | ||
112 | LONGEST agent_get_trace_state_variable_value (int num); | |
113 | void agent_set_trace_state_variable_value (int num, LONGEST val); | |
114 | ||
115 | /* Record the value of a trace state variable. */ | |
116 | ||
117 | int agent_tsv_read (struct eval_agent_expr_context *ctx, int n); | |
118 | int agent_mem_read_string (struct eval_agent_expr_context *ctx, | |
119 | unsigned char *to, | |
120 | CORE_ADDR from, | |
121 | ULONGEST len); | |
122 | ||
123 | /* Returns the address of the get_raw_reg function in the IPA. */ | |
124 | CORE_ADDR get_raw_reg_func_addr (void); | |
125 | /* Returns the address of the get_trace_state_variable_value | |
126 | function in the IPA. */ | |
127 | CORE_ADDR get_get_tsv_func_addr (void); | |
128 | /* Returns the address of the set_trace_state_variable_value | |
129 | function in the IPA. */ | |
130 | CORE_ADDR get_set_tsv_func_addr (void); | |
131 | ||
132 | #endif /* TRACEPOINT_H */ |