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177a8ead | 1 | // -*- C++ -*- |
482fe2af | 2 | // Copyright (C) 2005-2009 Red Hat Inc. |
177a8ead FCE |
3 | // |
4 | // This file is part of systemtap, and is free software. You can | |
5 | // redistribute it and/or modify it under the terms of the GNU General | |
6 | // Public License (GPL); either version 2, or (at your option) any | |
7 | // later version. | |
8 | ||
9 | #ifndef SESSION_H | |
10 | #define SESSION_H | |
11 | ||
12 | #include <string> | |
13 | #include <vector> | |
14 | #include <iostream> | |
15 | #include <sstream> | |
16 | #include <map> | |
7e41d3dc | 17 | #include <set> |
177a8ead | 18 | |
1d3a40b6 DS |
19 | extern "C" { |
20 | #include <elfutils/libdw.h> | |
21 | } | |
22 | ||
177a8ead FCE |
23 | |
24 | // forward decls for all referenced systemtap types | |
25 | struct match_node; | |
26 | struct stapfile; | |
27 | struct vardecl; | |
cfd621bc | 28 | struct token; |
177a8ead | 29 | struct functiondecl; |
b20febf3 FCE |
30 | struct derived_probe; |
31 | struct be_derived_probe_group; | |
32 | struct dwarf_derived_probe_group; | |
e6fe60e7 | 33 | struct kprobe_derived_probe_group; |
888af770 | 34 | struct uprobe_derived_probe_group; |
935447c8 | 35 | struct utrace_derived_probe_group; |
a96d1db0 | 36 | struct itrace_derived_probe_group; |
935447c8 | 37 | struct task_finder_derived_probe_group; |
b20febf3 FCE |
38 | struct timer_derived_probe_group; |
39 | struct profile_derived_probe_group; | |
40 | struct mark_derived_probe_group; | |
0a6f5a3f | 41 | struct tracepoint_derived_probe_group; |
b20febf3 FCE |
42 | struct hrtimer_derived_probe_group; |
43 | struct perfmon_derived_probe_group; | |
604eef3b | 44 | struct procfs_derived_probe_group; |
177a8ead FCE |
45 | struct embeddedcode; |
46 | struct translator_output; | |
47 | struct unparser; | |
48 | struct semantic_error; | |
405b71b8 | 49 | struct module_cache; |
f80d9004 | 50 | struct update_visitor; |
177a8ead FCE |
51 | |
52 | ||
53 | // XXX: a generalized form of this descriptor could be associated with | |
54 | // a vardecl instead of out here at the systemtap_session level. | |
55 | struct statistic_decl | |
56 | { | |
57 | statistic_decl() | |
dff50e09 | 58 | : type(none), |
177a8ead | 59 | linear_low(0), linear_high(0), linear_step(0) |
dff50e09 | 60 | {} |
177a8ead | 61 | enum { none, linear, logarithmic } type; |
177a8ead FCE |
62 | int64_t linear_low; |
63 | int64_t linear_high; | |
64 | int64_t linear_step; | |
07c17d67 GH |
65 | bool operator==(statistic_decl const & other) |
66 | { | |
dff50e09 | 67 | return type == other.type |
07c17d67 GH |
68 | && linear_low == other.linear_low |
69 | && linear_high == other.linear_high | |
70 | && linear_step == other.linear_step; | |
71 | } | |
177a8ead FCE |
72 | }; |
73 | ||
74 | ||
75 | struct systemtap_session | |
76 | { | |
77 | systemtap_session (); | |
28f569c2 FCE |
78 | // NB: It is very important for all of the above (and below) fields |
79 | // to be cleared in the systemtap_session ctor (elaborate.cxx) | |
80 | // and/or main.cxx(main). | |
177a8ead FCE |
81 | |
82 | // command line args | |
83 | std::vector<std::string> include_path; | |
84 | std::vector<std::string> macros; | |
85 | std::vector<std::string> args; | |
86 | std::string kernel_release; | |
197a4d62 | 87 | std::string kernel_base_release; |
7471ea1f | 88 | std::string kernel_build_tree; |
44ce8ed5 | 89 | std::string architecture; |
177a8ead | 90 | std::string runtime_path; |
1b78aef5 | 91 | std::string data_path; |
177a8ead | 92 | std::string module_name; |
de0db58a | 93 | std::string stapconf_name; |
177a8ead | 94 | std::string output_file; |
701c41be | 95 | std::string size_option; |
177a8ead FCE |
96 | std::string cmd; |
97 | int target_pid; | |
98 | int last_pass; | |
e0b4e89d | 99 | unsigned perpass_verbose[5]; |
b0ee93c4 | 100 | unsigned verbose; |
a9e8f7e0 | 101 | bool timing; |
177a8ead FCE |
102 | bool keep_tmpdir; |
103 | bool guru_mode; | |
16442b90 | 104 | bool listing_mode; |
177a8ead | 105 | bool bulk_mode; |
cbfbbf69 | 106 | bool unoptimized; |
f272aacc | 107 | bool merge; |
a9e8f7e0 | 108 | bool suppress_warnings; |
177a8ead | 109 | int buffer_size; |
47dd066d | 110 | unsigned perfmon; |
84048984 | 111 | bool symtab; /* true: emit symbol table at translation time; false: let staprun do it. */ |
44f75386 | 112 | bool prologue_searching; |
c3a3c0c9 | 113 | bool tapset_compile_coverage; |
6274464e | 114 | bool need_uprobes; |
2fa2a091 | 115 | bool load_only; // flight recorder mode |
177a8ead | 116 | |
28f569c2 FCE |
117 | // NB: It is very important for all of the above (and below) fields |
118 | // to be cleared in the systemtap_session ctor (elaborate.cxx) | |
119 | // and/or main.cxx(main). | |
120 | ||
1b78aef5 DS |
121 | // Cache data |
122 | bool use_cache; | |
123 | std::string cache_path; | |
124 | std::string hash_path; | |
5c54d49e | 125 | std::string stapconf_path; |
b278033a | 126 | std::string tracequery_path; |
1b78aef5 | 127 | |
5f0a03a6 JK |
128 | // dwarfless operation |
129 | bool consult_symtab; | |
130 | std::string kernel_symtab_path; | |
131 | bool ignore_vmlinux; | |
132 | bool ignore_dwarf; | |
133 | ||
3bd0d4df RA |
134 | // Skip bad $ vars |
135 | bool skip_badvars; | |
136 | ||
28f569c2 FCE |
137 | // NB: It is very important for all of the above (and below) fields |
138 | // to be cleared in the systemtap_session ctor (elaborate.cxx) | |
139 | // and/or main.cxx(main). | |
140 | ||
177a8ead FCE |
141 | // temporary directory for module builds etc. |
142 | // hazardous - it is "rm -rf"'d at exit | |
143 | std::string tmpdir; | |
144 | std::string translated_source; // C source code | |
145 | ||
146 | match_node* pattern_root; | |
147 | void register_library_aliases(); | |
148 | ||
149 | // parse trees for the various script files | |
150 | stapfile* user_file; | |
151 | std::vector<stapfile*> library_files; | |
152 | ||
f80d9004 JS |
153 | // filters to run over all code before symbol resolution |
154 | // e.g. @cast expansion | |
155 | std::vector<update_visitor*> code_filters; | |
156 | ||
177a8ead FCE |
157 | // resolved globals/functions/probes for the run as a whole |
158 | std::vector<stapfile*> files; | |
159 | std::vector<vardecl*> globals; | |
f76427a2 | 160 | std::map<std::string,functiondecl*> functions; |
b20febf3 | 161 | std::vector<derived_probe*> probes; // see also *_probes groups below |
177a8ead FCE |
162 | std::vector<embeddedcode*> embeds; |
163 | std::map<std::string, statistic_decl> stat_decls; | |
c3a3c0c9 WC |
164 | // track things that are removed |
165 | std::vector<vardecl*> unused_globals; | |
166 | std::vector<derived_probe*> unused_probes; // see also *_probes groups below | |
167 | std::vector<functiondecl*> unused_functions; | |
177a8ead FCE |
168 | // XXX: vector<*> instead please? |
169 | ||
b20febf3 FCE |
170 | // Every probe in these groups must also appear in the |
171 | // session.probes vector. | |
172 | be_derived_probe_group* be_derived_probes; | |
173 | dwarf_derived_probe_group* dwarf_derived_probes; | |
e6fe60e7 | 174 | kprobe_derived_probe_group* kprobe_derived_probes; |
888af770 | 175 | uprobe_derived_probe_group* uprobe_derived_probes; |
935447c8 | 176 | utrace_derived_probe_group* utrace_derived_probes; |
a96d1db0 | 177 | itrace_derived_probe_group* itrace_derived_probes; |
935447c8 | 178 | task_finder_derived_probe_group* task_finder_derived_probes; |
b20febf3 FCE |
179 | timer_derived_probe_group* timer_derived_probes; |
180 | profile_derived_probe_group* profile_derived_probes; | |
181 | mark_derived_probe_group* mark_derived_probes; | |
0a6f5a3f | 182 | tracepoint_derived_probe_group* tracepoint_derived_probes; |
b20febf3 FCE |
183 | hrtimer_derived_probe_group* hrtimer_derived_probes; |
184 | perfmon_derived_probe_group* perfmon_derived_probes; | |
604eef3b | 185 | procfs_derived_probe_group* procfs_derived_probes; |
28f569c2 | 186 | |
f9355a6c | 187 | // NB: It is very important for all of the above (and below) fields |
28f569c2 FCE |
188 | // to be cleared in the systemtap_session ctor (elaborate.cxx) |
189 | // and/or main.cxx(main). | |
177a8ead FCE |
190 | |
191 | // unparser data | |
192 | translator_output* op; | |
193 | unparser* up; | |
194 | ||
84048984 FCE |
195 | // some symbol addresses |
196 | // XXX: these belong elsewhere; perhaps the dwflpp instance | |
197 | Dwarf_Addr sym_kprobes_text_start; | |
198 | Dwarf_Addr sym_kprobes_text_end; | |
199 | Dwarf_Addr sym_stext; | |
1d3a40b6 | 200 | |
a8368458 | 201 | // List of libdwfl module names to extract symbol/unwind data for. |
1a0dbc5a | 202 | std::set<std::string> unwindsym_modules; |
cbf5ebe1 | 203 | struct module_cache* module_cache; |
a8368458 | 204 | |
28f569c2 FCE |
205 | // NB: It is very important for all of the above (and below) fields |
206 | // to be cleared in the systemtap_session ctor (elaborate.cxx) | |
207 | // and/or main.cxx(main). | |
208 | ||
7e41d3dc | 209 | std::set<std::string> seen_errors; |
ab54fa85 | 210 | std::set<std::string> seen_warnings; |
7e41d3dc | 211 | unsigned num_errors () { return seen_errors.size(); } |
cfd621bc | 212 | |
177a8ead | 213 | // void print_error (const parse_error& e); |
cfd621bc FCE |
214 | const token* last_token; |
215 | void print_token (std::ostream& o, const token* tok); | |
177a8ead | 216 | void print_error (const semantic_error& e); |
1b1b4ceb | 217 | void print_error_source (std::ostream&, std::string&, const token* tok); |
cfd621bc | 218 | void print_warning (const std::string& w, const token* tok = 0); |
b20febf3 | 219 | |
28f569c2 FCE |
220 | // NB: It is very important for all of the above (and below) fields |
221 | // to be cleared in the systemtap_session ctor (elaborate.cxx) | |
222 | // and/or main.cxx(main). | |
177a8ead FCE |
223 | }; |
224 | ||
225 | ||
49abf162 FCE |
226 | // global counter of SIGINT/SIGTERM's received |
227 | extern int pending_interrupts; | |
228 | ||
177a8ead | 229 | #endif // SESSION_H |
73267b89 JS |
230 | |
231 | /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */ |