// -*- C++ -*- // Copyright (C) 2005-2008 Red Hat Inc. // // This file is part of systemtap, and is free software. You can // redistribute it and/or modify it under the terms of the GNU General // Public License (GPL); either version 2, or (at your option) any // later version. #ifndef SESSION_H #define SESSION_H #include #include #include #include #include #include extern "C" { #include } // forward decls for all referenced systemtap types struct match_node; struct stapfile; struct vardecl; struct token; struct functiondecl; struct derived_probe; struct be_derived_probe_group; struct dwarf_derived_probe_group; struct uprobe_derived_probe_group; struct utrace_derived_probe_group; struct itrace_derived_probe_group; struct task_finder_derived_probe_group; struct timer_derived_probe_group; struct profile_derived_probe_group; struct mark_derived_probe_group; struct hrtimer_derived_probe_group; struct perfmon_derived_probe_group; struct procfs_derived_probe_group; struct embeddedcode; struct translator_output; struct unparser; struct semantic_error; struct module_cache; // XXX: a generalized form of this descriptor could be associated with // a vardecl instead of out here at the systemtap_session level. struct statistic_decl { statistic_decl() : type(none), linear_low(0), linear_high(0), linear_step(0) {} enum { none, linear, logarithmic } type; int64_t linear_low; int64_t linear_high; int64_t linear_step; bool operator==(statistic_decl const & other) { return type == other.type && linear_low == other.linear_low && linear_high == other.linear_high && linear_step == other.linear_step; } }; struct systemtap_session { systemtap_session (); // NB: new POD members likely need to be explicitly cleared in the ctor. // See elaborate.cxx. // command line args std::vector include_path; std::vector macros; std::vector args; std::string kernel_release; std::string kernel_base_release; std::string kernel_build_tree; std::string architecture; std::string runtime_path; std::string data_path; std::string module_name; std::string output_file; std::string cmd; int target_pid; int last_pass; unsigned perpass_verbose[5]; unsigned verbose; bool timing; bool keep_tmpdir; bool guru_mode; bool listing_mode; bool bulk_mode; bool unoptimized; bool merge; bool suppress_warnings; int buffer_size; unsigned perfmon; bool symtab; /* true: emit symbol table at translation time; false: let staprun do it. */ bool prologue_searching; bool tapset_compile_coverage; bool need_uprobes; bool load_only; // flight recorder mode // Cache data bool use_cache; std::string cache_path; std::string hash_path; // dwarfless operation bool consult_symtab; std::string kernel_symtab_path; bool ignore_vmlinux; bool ignore_dwarf; // temporary directory for module builds etc. // hazardous - it is "rm -rf"'d at exit std::string tmpdir; std::string translated_source; // C source code match_node* pattern_root; void register_library_aliases(); // parse trees for the various script files stapfile* user_file; std::vector library_files; // resolved globals/functions/probes for the run as a whole std::vector files; std::vector globals; std::map functions; std::vector probes; // see also *_probes groups below std::vector embeds; std::map stat_decls; // track things that are removed std::vector unused_globals; std::vector unused_probes; // see also *_probes groups below std::vector unused_functions; // XXX: vector<*> instead please? // Every probe in these groups must also appear in the // session.probes vector. be_derived_probe_group* be_derived_probes; dwarf_derived_probe_group* dwarf_derived_probes; uprobe_derived_probe_group* uprobe_derived_probes; utrace_derived_probe_group* utrace_derived_probes; itrace_derived_probe_group* itrace_derived_probes; task_finder_derived_probe_group* task_finder_derived_probes; timer_derived_probe_group* timer_derived_probes; profile_derived_probe_group* profile_derived_probes; mark_derived_probe_group* mark_derived_probes; hrtimer_derived_probe_group* hrtimer_derived_probes; perfmon_derived_probe_group* perfmon_derived_probes; procfs_derived_probe_group* procfs_derived_probes; // unparser data translator_output* op; unparser* up; // some symbol addresses // XXX: these belong elsewhere; perhaps the dwflpp instance Dwarf_Addr sym_kprobes_text_start; Dwarf_Addr sym_kprobes_text_end; Dwarf_Addr sym_stext; // List of libdwfl module names to extract symbol/unwind data for. std::set unwindsym_modules; struct module_cache* module_cache; std::set seen_errors; std::set seen_warnings; unsigned num_errors () { return seen_errors.size(); } // void print_error (const parse_error& e); const token* last_token; void print_token (std::ostream& o, const token* tok); void print_error (const semantic_error& e); void print_error_source (std::ostream&, std::string&, const token* tok); void print_warning (const std::string& w, const token* tok = 0); // reNB: new POD members likely need to be explicitly cleared in the ctor. }; // global counter of SIGINT/SIGTERM's received extern int pending_interrupts; #endif // SESSION_H /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */ href='#n47'>47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261