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177a8ead | 1 | // -*- C++ -*- |
70e6d6c9 | 2 | // Copyright (C) 2005-2010 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 | ||
aa4d21c0 | 12 | #include <list> |
177a8ead FCE |
13 | #include <string> |
14 | #include <vector> | |
15 | #include <iostream> | |
16 | #include <sstream> | |
17 | #include <map> | |
7e41d3dc | 18 | #include <set> |
177a8ead | 19 | |
1d3a40b6 | 20 | extern "C" { |
2dce8c42 | 21 | #include <signal.h> |
1d3a40b6 DS |
22 | #include <elfutils/libdw.h> |
23 | } | |
24 | ||
177a8ead FCE |
25 | |
26 | // forward decls for all referenced systemtap types | |
9b3c54b2 | 27 | struct hash; |
177a8ead FCE |
28 | struct match_node; |
29 | struct stapfile; | |
30 | struct vardecl; | |
cfd621bc | 31 | struct token; |
177a8ead | 32 | struct functiondecl; |
b20febf3 FCE |
33 | struct derived_probe; |
34 | struct be_derived_probe_group; | |
35 | struct dwarf_derived_probe_group; | |
e6fe60e7 | 36 | struct kprobe_derived_probe_group; |
dd225250 | 37 | struct hwbkpt_derived_probe_group; |
83ea76b1 | 38 | struct perf_derived_probe_group; |
888af770 | 39 | struct uprobe_derived_probe_group; |
935447c8 | 40 | struct utrace_derived_probe_group; |
a96d1db0 | 41 | struct itrace_derived_probe_group; |
935447c8 | 42 | struct task_finder_derived_probe_group; |
b20febf3 FCE |
43 | struct timer_derived_probe_group; |
44 | struct profile_derived_probe_group; | |
45 | struct mark_derived_probe_group; | |
0a6f5a3f | 46 | struct tracepoint_derived_probe_group; |
b20febf3 | 47 | struct hrtimer_derived_probe_group; |
604eef3b | 48 | struct procfs_derived_probe_group; |
177a8ead FCE |
49 | struct embeddedcode; |
50 | struct translator_output; | |
51 | struct unparser; | |
52 | struct semantic_error; | |
405b71b8 | 53 | struct module_cache; |
f80d9004 | 54 | struct update_visitor; |
177a8ead | 55 | |
177a8ead FCE |
56 | // XXX: a generalized form of this descriptor could be associated with |
57 | // a vardecl instead of out here at the systemtap_session level. | |
58 | struct statistic_decl | |
59 | { | |
60 | statistic_decl() | |
dff50e09 | 61 | : type(none), |
177a8ead | 62 | linear_low(0), linear_high(0), linear_step(0) |
dff50e09 | 63 | {} |
177a8ead | 64 | enum { none, linear, logarithmic } type; |
177a8ead FCE |
65 | int64_t linear_low; |
66 | int64_t linear_high; | |
67 | int64_t linear_step; | |
07c17d67 GH |
68 | bool operator==(statistic_decl const & other) |
69 | { | |
dff50e09 | 70 | return type == other.type |
07c17d67 GH |
71 | && linear_low == other.linear_low |
72 | && linear_high == other.linear_high | |
73 | && linear_step == other.linear_step; | |
74 | } | |
177a8ead FCE |
75 | }; |
76 | ||
177a8ead FCE |
77 | struct systemtap_session |
78 | { | |
79 | systemtap_session (); | |
b0e5fa85 | 80 | ~systemtap_session (); |
aa4d21c0 | 81 | |
28f569c2 | 82 | // NB: It is very important for all of the above (and below) fields |
85007c04 | 83 | // to be cleared in the systemtap_session ctor (session.cxx). |
e2012a7a | 84 | void setup_kernel_release (const char* kstr); |
aa4d21c0 DB |
85 | int parse_kernel_config (); |
86 | int parse_kernel_exports (); | |
bb153adb | 87 | void insert_loaded_modules (); |
e2012a7a DB |
88 | |
89 | // command line parsing | |
90 | int parse_cmdline (int argc, char * const argv []); | |
91 | void version (); | |
92 | void usage (int exitcode); | |
93 | void check_options (int argc, char * const argv []); | |
94 | static const char* morehelp; | |
177a8ead | 95 | |
aa4d21c0 | 96 | // NB: It is very important for all of the above (and below) fields |
85007c04 | 97 | // to be cleared in the systemtap_session ctor (session.cxx). |
aa4d21c0 | 98 | |
177a8ead | 99 | // command line args |
e2012a7a DB |
100 | std::string script_file; // FILE |
101 | std::string cmdline_script; // -e PROGRAM | |
102 | bool have_script; | |
177a8ead | 103 | std::vector<std::string> include_path; |
2fad97fd | 104 | int include_arg_start; |
177a8ead FCE |
105 | std::vector<std::string> macros; |
106 | std::vector<std::string> args; | |
1392896d | 107 | std::vector<std::string> kbuildflags; |
bb25d08f | 108 | std::vector<std::string> globalopts; // -G var=val |
e2012a7a | 109 | std::string release; |
177a8ead | 110 | std::string kernel_release; |
197a4d62 | 111 | std::string kernel_base_release; |
7471ea1f | 112 | std::string kernel_build_tree; |
d4393459 | 113 | std::string kernel_source_tree; |
561079c8 | 114 | std::map<std::string,std::string> kernel_config; |
70e6d6c9 | 115 | std::set<std::string> kernel_exports; |
e2012a7a | 116 | std::string machine; |
44ce8ed5 | 117 | std::string architecture; |
177a8ead | 118 | std::string runtime_path; |
2fad97fd | 119 | bool runtime_specified; |
1b78aef5 | 120 | std::string data_path; |
177a8ead | 121 | std::string module_name; |
de0db58a | 122 | std::string stapconf_name; |
177a8ead | 123 | std::string output_file; |
701c41be | 124 | std::string size_option; |
177a8ead | 125 | std::string cmd; |
db135493 | 126 | std::string compatible; // use (strverscmp(s.compatible.c_str(), "N.M") >= 0) |
177a8ead FCE |
127 | int target_pid; |
128 | int last_pass; | |
e0b4e89d | 129 | unsigned perpass_verbose[5]; |
b0ee93c4 | 130 | unsigned verbose; |
a9e8f7e0 | 131 | bool timing; |
e2012a7a | 132 | bool save_module; |
177a8ead FCE |
133 | bool keep_tmpdir; |
134 | bool guru_mode; | |
16442b90 | 135 | bool listing_mode; |
8c39844b | 136 | bool listing_mode_vars; |
177a8ead | 137 | bool bulk_mode; |
cbfbbf69 | 138 | bool unoptimized; |
a9e8f7e0 | 139 | bool suppress_warnings; |
57a56e00 | 140 | bool panic_warnings; |
177a8ead | 141 | int buffer_size; |
44f75386 | 142 | bool prologue_searching; |
c3a3c0c9 | 143 | bool tapset_compile_coverage; |
6274464e | 144 | bool need_uprobes; |
2fa2a091 | 145 | bool load_only; // flight recorder mode |
2dce8c42 DB |
146 | bool omit_werror; |
147 | bool unprivileged; | |
148 | ||
149 | // NB: It is very important for all of the above (and below) fields | |
85007c04 | 150 | // to be cleared in the systemtap_session ctor (session.cxx). |
2dce8c42 DB |
151 | |
152 | // Client/server | |
b0e5fa85 DB |
153 | #if HAVE_NSS |
154 | bool NSPR_Initialized; | |
b0e5fa85 | 155 | #endif |
3d9dfde6 | 156 | void NSPR_init (); |
e2012a7a DB |
157 | bool client_options; |
158 | std::string client_options_disallowed; | |
2dce8c42 DB |
159 | std::vector<std::string> server_status_strings; |
160 | std::vector<std::string> specified_servers; | |
c77af0d0 | 161 | std::string server_trust_spec; |
2fad97fd | 162 | std::vector<std::string> server_args; |
920be590 | 163 | std::string winning_server; |
2dce8c42 | 164 | |
28f569c2 | 165 | // NB: It is very important for all of the above (and below) fields |
85007c04 | 166 | // to be cleared in the systemtap_session ctor (session.cxx). |
28f569c2 | 167 | |
1b78aef5 | 168 | // Cache data |
d105f664 JS |
169 | bool use_cache; // control all caching |
170 | bool use_script_cache; // control caching of pass-3/4 output | |
171 | bool poison_cache; // consider the cache to be write-only | |
172 | std::string cache_path; // usually ~/.systemtap/cache | |
173 | std::string hash_path; // path to the cached script module | |
174 | std::string stapconf_path; // path to the cached stapconf | |
175 | hash *base_hash; // hash common to all caching | |
1b78aef5 | 176 | |
5f0a03a6 JK |
177 | // dwarfless operation |
178 | bool consult_symtab; | |
179 | std::string kernel_symtab_path; | |
180 | bool ignore_vmlinux; | |
181 | bool ignore_dwarf; | |
182 | ||
3bd0d4df RA |
183 | // Skip bad $ vars |
184 | bool skip_badvars; | |
185 | ||
28f569c2 | 186 | // NB: It is very important for all of the above (and below) fields |
85007c04 | 187 | // to be cleared in the systemtap_session ctor (session.cxx). |
28f569c2 | 188 | |
177a8ead FCE |
189 | // temporary directory for module builds etc. |
190 | // hazardous - it is "rm -rf"'d at exit | |
191 | std::string tmpdir; | |
192 | std::string translated_source; // C source code | |
193 | ||
194 | match_node* pattern_root; | |
195 | void register_library_aliases(); | |
196 | ||
197 | // parse trees for the various script files | |
198 | stapfile* user_file; | |
199 | std::vector<stapfile*> library_files; | |
200 | ||
f80d9004 JS |
201 | // filters to run over all code before symbol resolution |
202 | // e.g. @cast expansion | |
203 | std::vector<update_visitor*> code_filters; | |
204 | ||
177a8ead FCE |
205 | // resolved globals/functions/probes for the run as a whole |
206 | std::vector<stapfile*> files; | |
207 | std::vector<vardecl*> globals; | |
f76427a2 | 208 | std::map<std::string,functiondecl*> functions; |
b20febf3 | 209 | std::vector<derived_probe*> probes; // see also *_probes groups below |
177a8ead FCE |
210 | std::vector<embeddedcode*> embeds; |
211 | std::map<std::string, statistic_decl> stat_decls; | |
c3a3c0c9 WC |
212 | // track things that are removed |
213 | std::vector<vardecl*> unused_globals; | |
214 | std::vector<derived_probe*> unused_probes; // see also *_probes groups below | |
215 | std::vector<functiondecl*> unused_functions; | |
177a8ead FCE |
216 | // XXX: vector<*> instead please? |
217 | ||
b20febf3 FCE |
218 | // Every probe in these groups must also appear in the |
219 | // session.probes vector. | |
220 | be_derived_probe_group* be_derived_probes; | |
221 | dwarf_derived_probe_group* dwarf_derived_probes; | |
e6fe60e7 | 222 | kprobe_derived_probe_group* kprobe_derived_probes; |
dd225250 | 223 | hwbkpt_derived_probe_group* hwbkpt_derived_probes; |
83ea76b1 | 224 | perf_derived_probe_group* perf_derived_probes; |
888af770 | 225 | uprobe_derived_probe_group* uprobe_derived_probes; |
935447c8 | 226 | utrace_derived_probe_group* utrace_derived_probes; |
a96d1db0 | 227 | itrace_derived_probe_group* itrace_derived_probes; |
935447c8 | 228 | task_finder_derived_probe_group* task_finder_derived_probes; |
b20febf3 FCE |
229 | timer_derived_probe_group* timer_derived_probes; |
230 | profile_derived_probe_group* profile_derived_probes; | |
231 | mark_derived_probe_group* mark_derived_probes; | |
0a6f5a3f | 232 | tracepoint_derived_probe_group* tracepoint_derived_probes; |
b20febf3 | 233 | hrtimer_derived_probe_group* hrtimer_derived_probes; |
604eef3b | 234 | procfs_derived_probe_group* procfs_derived_probes; |
28f569c2 | 235 | |
f9355a6c | 236 | // NB: It is very important for all of the above (and below) fields |
85007c04 | 237 | // to be cleared in the systemtap_session ctor (session.cxx). |
177a8ead FCE |
238 | |
239 | // unparser data | |
240 | translator_output* op; | |
241 | unparser* up; | |
242 | ||
84048984 FCE |
243 | // some symbol addresses |
244 | // XXX: these belong elsewhere; perhaps the dwflpp instance | |
245 | Dwarf_Addr sym_kprobes_text_start; | |
246 | Dwarf_Addr sym_kprobes_text_end; | |
247 | Dwarf_Addr sym_stext; | |
1d3a40b6 | 248 | |
a8368458 | 249 | // List of libdwfl module names to extract symbol/unwind data for. |
1a0dbc5a | 250 | std::set<std::string> unwindsym_modules; |
ef06c938 | 251 | bool unwindsym_ldd; |
cbf5ebe1 | 252 | struct module_cache* module_cache; |
a8368458 | 253 | |
28f569c2 | 254 | // NB: It is very important for all of the above (and below) fields |
85007c04 | 255 | // to be cleared in the systemtap_session ctor (session.cxx). |
28f569c2 | 256 | |
7e41d3dc | 257 | std::set<std::string> seen_errors; |
ab54fa85 | 258 | std::set<std::string> seen_warnings; |
57a56e00 | 259 | unsigned num_errors () { return seen_errors.size() + (panic_warnings ? seen_warnings.size() : 0); } |
cfd621bc | 260 | |
2ed04863 WC |
261 | std::set<std::string> rpms_to_install; |
262 | ||
177a8ead | 263 | // void print_error (const parse_error& e); |
cfd621bc FCE |
264 | const token* last_token; |
265 | void print_token (std::ostream& o, const token* tok); | |
177a8ead | 266 | void print_error (const semantic_error& e); |
1b1b4ceb | 267 | void print_error_source (std::ostream&, std::string&, const token* tok); |
cfd621bc | 268 | void print_warning (const std::string& w, const token* tok = 0); |
aa4d21c0 | 269 | void printscript(std::ostream& o); |
b20febf3 | 270 | |
28f569c2 | 271 | // NB: It is very important for all of the above (and below) fields |
85007c04 DB |
272 | // to be cleared in the systemtap_session ctor (session.cxx). |
273 | }; | |
274 | ||
177a8ead | 275 | |
49abf162 | 276 | // global counter of SIGINT/SIGTERM's received |
85007c04 DB |
277 | extern int pending_interrupts; |
278 | ||
279 | int passes_0_4 (); | |
49abf162 | 280 | |
177a8ead | 281 | #endif // SESSION_H |
73267b89 JS |
282 | |
283 | /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */ |