diff options
Diffstat (limited to 'tapsets.cxx')
| -rw-r--r-- | tapsets.cxx | 276 |
1 files changed, 138 insertions, 138 deletions
diff --git a/tapsets.cxx b/tapsets.cxx index 68e0ff3f..f9969434 100644 --- a/tapsets.cxx +++ b/tapsets.cxx @@ -205,10 +205,10 @@ static string TOK_RELATIVE("relative"); -struct +struct func_info { - func_info() + func_info() : decl_file(NULL), decl_line(-1), prologue_end(0) { memset(&die, 0, sizeof(die)); @@ -223,7 +223,7 @@ func_info struct inline_instance_info { - inline_instance_info() + inline_instance_info() : decl_file(NULL), decl_line(-1) { memset(&die, 0, sizeof(die)); @@ -264,7 +264,7 @@ dwflpp Dwarf_Addr module_end; Dwarf_Die * cu; - Dwarf_Func * function; + Dwarf_Die * function; string module_name; string cu_name; @@ -344,14 +344,14 @@ dwflpp } - void focus_on_function(Dwarf_Func * f) + void focus_on_function(Dwarf_Die * f) { assert(f); assert(module); assert(cu); function = f; - function_name = default_name(dwarf_func_name(function), + function_name = default_name(dwarf_diename(function), "function"); } @@ -512,9 +512,9 @@ dwflpp dwfl_report_begin (dwfl); // XXX: if we have only kernel.* probe points, we shouldn't waste time // looking for module debug-info (and vice versa). - dwfl_assert ("dwfl_linux_kernel_report_kernel", + dwfl_assert ("dwfl_linux_kernel_report_kernel", dwfl_linux_kernel_report_kernel (dwfl)); - dwfl_assert ("dwfl_linux_kernel_report_modules", + dwfl_assert ("dwfl_linux_kernel_report_modules", dwfl_linux_kernel_report_modules (dwfl)); // NB: While RH bug #169672 prevents detection of -debuginfo absence // here, the get_module_dwarf() function will throw an exception @@ -582,12 +582,12 @@ dwflpp { assert (function); assert (func_is_inline ()); - dwarf_assert ("dwarf_func_inline_instances", + dwarf_assert ("dwarf_func_inline_instances", dwarf_func_inline_instances (function, callback, data)); } - void iterate_over_functions (int (* callback)(Dwarf_Func * func, void * arg), + void iterate_over_functions (int (* callback)(Dwarf_Die * func, void * arg), void * data) { assert (module); @@ -605,17 +605,17 @@ dwflpp size_t nsrcs = 0; dwarf_assert ("dwarf_getsrc_file", - dwarf_getsrc_file (module_dwarf, + dwarf_getsrc_file (module_dwarf, srcfile, lineno, 0, &srcsp, &nsrcs)); - + return nsrcs == 1; } void iterate_over_srcfile_lines (char const * srcfile, - int lineno, + int lineno, bool need_single_match, - void (* callback) (Dwarf_Line * line, void * arg), + void (* callback) (Dwarf_Line * line, void * arg), void *data) { Dwarf_Line **srcsp = NULL; @@ -624,10 +624,10 @@ dwflpp get_module_dwarf(); dwarf_assert ("dwarf_getsrc_file", - dwarf_getsrc_file (module_dwarf, + dwarf_getsrc_file (module_dwarf, srcfile, lineno, 0, &srcsp, &nsrcs)); - + if (need_single_match && nsrcs > 1) { // We wanted a single line record (a unique address for the @@ -650,24 +650,24 @@ dwflpp string advice = ""; if (lo_try > 0 || hi_try > 0) - advice = " (try " - + (lo_try > 0 + advice = " (try " + + (lo_try > 0 ? (string(srcfile) + ":" + lex_cast<string>(lo_try)) : string("")) + (lo_try > 0 && hi_try > 0 ? " or " : "") - + (hi_try > 0 + + (hi_try > 0 ? (string(srcfile) + ":"+ lex_cast<string>(hi_try)) : string("")) + ")"; - throw semantic_error("multiple addresses for " - + string(srcfile) + throw semantic_error("multiple addresses for " + + string(srcfile) + ":" + lex_cast<string>(lineno) + advice); } - try + try { for (size_t i = 0; i < nsrcs; ++i) { @@ -678,7 +678,7 @@ dwflpp { free (srcsp); throw; - } + } free (srcsp); } @@ -692,7 +692,7 @@ dwflpp size_t nfiles; Dwarf_Files *srcfiles; - dwarf_assert ("dwarf_getsrcfiles", + dwarf_assert ("dwarf_getsrcfiles", dwarf_getsrcfiles (cu, &srcfiles, &nfiles)); { for (size_t i = 0; i < nfiles; ++i) @@ -706,7 +706,7 @@ dwflpp } } } - } + } void resolve_prologue_endings (map<Dwarf_Addr, func_info> & funcs) { @@ -718,15 +718,15 @@ dwflpp Dwarf_Addr previous_addr; bool choose_next_line = false; - dwarf_assert ("dwarf_getsrclines", - dwarf_getsrclines(cu, &lines, &nlines)); + dwarf_assert ("dwarf_getsrclines", + dwarf_getsrclines(cu, &lines, &nlines)); for (size_t i = 0; i < nlines; ++i) { Dwarf_Addr addr; Dwarf_Line * line_rec = dwarf_onesrcline(lines, i); dwarf_lineaddr (line_rec, &addr); - + if (choose_next_line) { map<Dwarf_Addr, func_info>::iterator i = funcs.find (previous_addr); @@ -734,7 +734,7 @@ dwflpp i->second.prologue_end = addr; choose_next_line = false; } - + map<Dwarf_Addr, func_info>::const_iterator i = funcs.find (addr); if (i != funcs.end()) choose_next_line = true; @@ -769,8 +769,8 @@ dwflpp // different file but at the same line number as its caller, then // we will get slightly messed up. - dwarf_assert ("dwarf_getsrclines", - dwarf_getsrclines(cu, &lines, &nlines)); + dwarf_assert ("dwarf_getsrclines", + dwarf_getsrclines(cu, &lines, &nlines)); for (size_t i = 0; i < nlines; ++i) { @@ -785,7 +785,7 @@ dwflpp if (choose_next_line_otherthan >= 0 && this_lineno != choose_next_line_otherthan) { - map<Dwarf_Addr, func_info>::iterator i = + map<Dwarf_Addr, func_info>::iterator i = funcs.find (last_function_entrypc); assert (i != funcs.end()); Dwarf_Addr addr0 = i->second.prologue_end; @@ -800,7 +800,7 @@ dwflpp } choose_next_line_otherthan = -1; } - + map<Dwarf_Addr, func_info>::const_iterator i = funcs.find (addr); if (i != funcs.end()) { @@ -817,7 +817,7 @@ dwflpp bool function_entrypc (Dwarf_Addr * addr) { assert (function); - return (dwarf_func_entrypc (function, addr) == 0); + return (dwarf_entrypc (function, addr) == 0); } @@ -834,20 +834,20 @@ dwflpp void function_die (Dwarf_Die *d) { assert (function); - dwarf_func_die (function, d); + *d = *function; } void function_file (char const ** c) { assert (function); assert (c); - *c = dwarf_func_file (function); + *c = dwarf_decl_file (function); } void function_line (int *linep) { assert (function); - dwarf_func_line (function, linep); + dwarf_decl_line (function, linep); } bool die_has_pc (Dwarf_Die * die, Dwarf_Addr pc) @@ -881,7 +881,7 @@ dwflpp Dwarf_Attribute * find_variable_and_frame_base (Dwarf_Die *scope_die, - Dwarf_Addr pc, + Dwarf_Addr pc, string const & local, Dwarf_Die *vardie, Dwarf_Attribute *fb_attr_mem) @@ -936,8 +936,8 @@ dwflpp Dwarf_Die * translate_components(struct obstack *pool, - struct location **tail, - Dwarf_Addr pc, + struct location **tail, + Dwarf_Addr pc, vector<pair<target_symbol::component_type, std::string> > const & components, Dwarf_Die *vardie, @@ -1054,12 +1054,12 @@ dwflpp Dwarf_Die *typedie; int typetag = 0; while (1) - { + { typedie = dwarf_formref_die (attr_mem, typedie_mem); if (typedie == NULL) throw semantic_error ("cannot get type: " + string(dwarf_errmsg (-1))); typetag = dwarf_tag (typedie); - if (typetag != DW_TAG_typedef && + if (typetag != DW_TAG_typedef && typetag != DW_TAG_const_type && typetag != DW_TAG_volatile_type) break; @@ -1070,7 +1070,7 @@ dwflpp } - void + void translate_final_fetch_or_store (struct obstack *pool, struct location **tail, Dwarf_Addr module_bias, @@ -1093,7 +1093,7 @@ dwflpp /* Then switch behavior depending on the type of fetch/store we want, and the type and pointer-ness of the final location. */ - + switch (typetag) { default: @@ -1107,7 +1107,7 @@ dwflpp if (lvalue) c_translate_store (pool, 1, module_bias, die, typedie, tail, "THIS->value"); - else + else c_translate_fetch (pool, 1, module_bias, die, typedie, tail, "THIS->__retvalue"); break; @@ -1131,8 +1131,8 @@ dwflpp if (dwarf_attr_integrate (pointee_typedie, DW_AT_byte_size, attr_mem)) dwarf_formudata (attr_mem, &pointee_byte_size); - - dwarf_formudata (dwarf_attr_integrate (pointee_typedie, DW_AT_encoding, attr_mem), + + dwarf_formudata (dwarf_attr_integrate (pointee_typedie, DW_AT_encoding, attr_mem), &pointee_encoding); // We have the pointer: cast it to an integral type via &(*(...)) @@ -1147,17 +1147,17 @@ dwflpp c_translate_array (pool, 1, module_bias, typedie, tail, NULL, 0); else c_translate_pointer (pool, 1, module_bias, typedie, tail); - c_translate_addressof (pool, 1, module_bias, NULL, pointee_typedie, tail, + c_translate_addressof (pool, 1, module_bias, NULL, pointee_typedie, tail, "THIS->__retvalue"); } - break; + break; } - } + } - string + string literal_stmt_for_local (Dwarf_Die *scope_die, - Dwarf_Addr pc, + Dwarf_Addr pc, string const & local, vector<pair<target_symbol::component_type, std::string> > const & components, @@ -1167,7 +1167,7 @@ dwflpp Dwarf_Die vardie; Dwarf_Attribute fb_attr_mem, *fb_attr = NULL; - fb_attr = find_variable_and_frame_base (scope_die, pc, local, + fb_attr = find_variable_and_frame_base (scope_die, pc, local, &vardie, &fb_attr_mem); if (sess.verbose) @@ -1180,9 +1180,9 @@ dwflpp if (dwarf_attr_integrate (&vardie, DW_AT_location, &attr_mem) == NULL) { throw semantic_error("failed to retrieve location " - "attribute for local '" + local - + "' (dieoffset: " - + lex_cast_hex<string>(dwarf_dieoffset (&vardie)) + "attribute for local '" + local + + "' (dieoffset: " + + lex_cast_hex<string>(dwarf_dieoffset (&vardie)) + ")"); } @@ -1209,26 +1209,26 @@ dwflpp /* Translate the ->bar->baz[NN] parts. */ Dwarf_Die die_mem, *die = NULL; - die = translate_components (&pool, &tail, pc, components, + die = translate_components (&pool, &tail, pc, components, &vardie, &die_mem, &attr_mem); - /* Translate the assignment part, either - x = $foo->bar->baz[NN] - or + /* Translate the assignment part, either + x = $foo->bar->baz[NN] + or $foo->bar->baz[NN] = x */ string prelude, postlude; - translate_final_fetch_or_store (&pool, &tail, module_bias, + translate_final_fetch_or_store (&pool, &tail, module_bias, die, &attr_mem, lvalue, prelude, postlude, ty); /* Write the translation to a string. */ - + size_t bufsz = 1024; char *buf = static_cast<char*>(malloc(bufsz)); assert(buf); - + FILE *memstream = open_memstream (&buf, &bufsz); assert(memstream); @@ -1285,7 +1285,7 @@ struct dwarf_derived_probe : public derived_probe dwarf_derived_probe (Dwarf_Die *scope_die, Dwarf_Addr addr, dwarf_query & q); - + vector<Dwarf_Addr> probe_points; bool has_return; @@ -1580,8 +1580,8 @@ target_variable_flavour_calculating_visitor Dwarf_Die *scope_die; Dwarf_Addr addr; - target_variable_flavour_calculating_visitor(dwarf_query & q, - Dwarf_Die *sd, + target_variable_flavour_calculating_visitor(dwarf_query & q, + Dwarf_Die *sd, Dwarf_Addr a) : q(q), scope_die(sd), addr(a) {} @@ -1594,22 +1594,22 @@ target_variable_flavour_calculating_visitor::visit_target_symbol (target_symbol assert(e->base_name.size() > 0 && e->base_name[0] == '$'); try - { + { bool lvalue = is_active_lvalue(e); if (lvalue && !q.sess.guru_mode) throw semantic_error("Writing to target variable outside of guru mode", e->tok); flavour += lvalue ? 'w' : 'r'; exp_type ty; - string expr = q.dw.literal_stmt_for_local(scope_die, + string expr = q.dw.literal_stmt_for_local(scope_die, addr, e->base_name.substr(1), e->components, lvalue, - ty); + ty); switch (ty) { - case pe_unknown: + case pe_unknown: flavour += 'U'; break; case pe_long: @@ -1625,7 +1625,7 @@ target_variable_flavour_calculating_visitor::visit_target_symbol (target_symbol flavour += lex_cast<string>(expr.size()); flavour += '{'; flavour += expr; - flavour += '}'; + flavour += '}'; } catch (const semantic_error& er) { @@ -1643,7 +1643,7 @@ dwarf_query::add_probe_point(string const & funcname, Dwarf_Addr addr) { dwarf_derived_probe *probe = NULL; - + if (probe_has_no_target_variables) { assert(probe_flavours.size() == 1); @@ -1651,13 +1651,13 @@ dwarf_query::add_probe_point(string const & funcname, } else { - + target_variable_flavour_calculating_visitor flav(*this, scope_die, addr); base_probe->body->visit(&flav); - - map<string, dwarf_derived_probe *>::iterator i + + map<string, dwarf_derived_probe *>::iterator i = probe_flavours.find(flav.flavour); - + if (i != probe_flavours.end()) probe = i->second; else @@ -1666,7 +1666,7 @@ dwarf_query::add_probe_point(string const & funcname, probe_flavours.insert(make_pair(flav.flavour, probe)); results.push_back(probe); } - + // Cache result in degenerate case to avoid recomputing. if (flav.flavour.empty()) probe_has_no_target_variables = true; @@ -1689,11 +1689,11 @@ dwarf_query::add_probe_point(string const & funcname, // - in each file, find the functions matching foo // - query the file for line records matching lineno // - iterate over the line records, - // - and iterate over the functions, - // - if(haspc(function.DIE, line.addr)) + // - and iterate over the functions, + // - if(haspc(function.DIE, line.addr)) // - if looking for statements: probe(lineno.addr) // - if looking for functions: probe(function.{entrypc,return,etc.}) - // + // // 2. {statement,function}(foo@file.c) // - find the files matching file.c // - in each file, find the functions matching foo @@ -1706,10 +1706,10 @@ dwarf_query::add_probe_point(string const & funcname, static void query_statement (string const & func, - char const * file, + char const * file, int line, Dwarf_Die *scope_die, - Dwarf_Addr stmt_addr, + Dwarf_Addr stmt_addr, dwarf_query * q) { try @@ -1741,10 +1741,10 @@ query_inline_instance_info (Dwarf_Addr entrypc, else { if (q->sess.verbose) - clog << "querying entrypc " - << hex << entrypc << dec + clog << "querying entrypc " + << hex << entrypc << dec << " of instance of inline '" << ii.name << "'" << endl; - query_statement (ii.name, ii.decl_file, ii.decl_line, + query_statement (ii.name, ii.decl_file, ii.decl_line, &ii.die, entrypc, q); } } @@ -1766,9 +1766,9 @@ query_func_info (Dwarf_Addr entrypc, // NB. dwarf_derived_probe::emit_registrations will emit a // kretprobe based on the entrypc in this case. if (q->sess.verbose) - clog << "querying entrypc of function '" + clog << "querying entrypc of function '" << fi.name << "' for return probe" << endl; - query_statement (fi.name, fi.decl_file, fi.decl_line, + query_statement (fi.name, fi.decl_file, fi.decl_line, &fi.die, entrypc, q); } else @@ -1779,19 +1779,19 @@ query_func_info (Dwarf_Addr entrypc, if (q->sess.verbose) clog << "querying entrypc of function '" << fi.name << "'" << endl; - query_statement (fi.name, fi.decl_file, fi.decl_line, + query_statement (fi.name, fi.decl_file, fi.decl_line, &fi.die, entrypc, q); #else if (q->sess.verbose) - clog << "querying prologue-end of function '" + clog << "querying prologue-end of function '" << fi.name << "'" << endl; - if (fi.prologue_end == 0) + if (fi.prologue_end == 0) throw semantic_error("could not find prologue-end " "for probed function '" + fi.name + "'"); - query_statement (fi.name, fi.decl_file, fi.decl_line, + query_statement (fi.name, fi.decl_file, fi.decl_line, &fi.die, fi.prologue_end, q); #endif } @@ -1819,14 +1819,14 @@ query_srcfile_line (Dwarf_Line * line, void * arg) if (q->sess.verbose) clog << "function DIE lands on srcfile" << endl; if (q->has_statement_str) - query_statement (i->second.name, i->second.decl_file, + query_statement (i->second.name, i->second.decl_file, q->line, NULL, addr, q); else query_func_info (i->first, i->second, q); } - } - - for (map<Dwarf_Addr, inline_instance_info>::iterator i + } + + for (map<Dwarf_Addr, inline_instance_info>::iterator i = q->filtered_inlines.begin(); i != q->filtered_inlines.end(); ++i) { @@ -1835,12 +1835,12 @@ query_srcfile_line (Dwarf_Line * line, void * arg) if (q->sess.verbose) clog << "inline instance DIE lands on srcfile" << endl; if (q->has_statement_str) - query_statement (i->second.name, i->second.decl_file, + query_statement (i->second.name, i->second.decl_file, q->line, NULL, addr, q); else query_inline_instance_info (i->first, i->second, q); } - } + } } @@ -1864,12 +1864,12 @@ query_dwarf_inline_instance (Dwarf_Die * die, void * arg) else if (q->has_inline_num) { Dwarf_Addr query_addr = q->inline_num_val; - + if (q->has_module) query_addr = q->dw.module_address_to_global(query_addr); - + if (q->dw.die_has_pc (die, query_addr)) - record_this_inline = true; + record_this_inline = true; } if (record_this_inline) @@ -1898,7 +1898,7 @@ query_dwarf_inline_instance (Dwarf_Die * die, void * arg) } static int -query_dwarf_func (Dwarf_Func * func, void * arg) +query_dwarf_func (Dwarf_Die * func, void * arg) { dwarf_query * q = static_cast<dwarf_query *>(arg); assert (!q->has_statement_num); @@ -1909,14 +1909,14 @@ query_dwarf_func (Dwarf_Func * func, void * arg) if (q->has_callees) throw semantic_error ("incomplete: do not know how to interpret .callees", q->base_probe->tok); - + if (q->has_label) throw semantic_error ("incomplete: do not know how to interpret .label", q->base_probe->tok); q->dw.focus_on_function (func); - if (q->dw.func_is_inline () + if (q->dw.func_is_inline () && (((q->has_statement_str || q->has_inline_str) && q->dw.function_name_matches(q->function)) || q->has_inline_num)) @@ -1926,7 +1926,7 @@ query_dwarf_func (Dwarf_Func * func, void * arg) q->dw.iterate_over_inline_instances (query_dwarf_inline_instance, arg); } else if (!q->dw.func_is_inline ()) - { + { bool record_this_function = false; if ((q->has_statement_str || q->has_function_str) @@ -1937,13 +1937,13 @@ query_dwarf_func (Dwarf_Func * func, void * arg) else if (q->has_function_num) { Dwarf_Addr query_addr = q->function_num_val; - + if (q->has_module) query_addr = q->dw.module_address_to_global(query_addr); Dwarf_Die d; q->dw.function_die (&d); - + if (q->dw.die_has_pc (&d, query_addr)) record_this_function = true; } @@ -1963,9 +1963,9 @@ query_dwarf_func (Dwarf_Func * func, void * arg) q->dw.function_line (&func.decl_line); q->filtered_functions[entrypc] = func; } - else - throw semantic_error("no entrypc found for function '" - + q->dw.function_name + "'"); + else + throw semantic_error("no entrypc found for function '" + + q->dw.function_name + "'"); } } return DWARF_CB_OK; @@ -1990,7 +1990,7 @@ query_cu (Dwarf_Die * cudie, void * arg) clog << "focused on CU '" << q->dw.cu_name << "', in module '" << q->dw.module_name << "'" << endl; - if (q->has_statement_str + if (q->has_statement_str || q->has_inline_str || q->has_inline_num || q->has_function_str || q->has_function_num) { @@ -2031,7 +2031,7 @@ query_cu (Dwarf_Die * cudie, void * arg) && (q->spec_type == function_file_and_line)) { // If we have a pattern string with target *line*, we - // have to look at lines in all the matched srcfiles. + // have to look at lines in all the matched srcfiles. for (set<char const *>::const_iterator i = q->filtered_srcfiles.begin(); i != q->filtered_srcfiles.end(); ++i) q->dw.iterate_over_srcfile_lines (*i, q->line, q->has_statement_str, @@ -2045,10 +2045,10 @@ query_cu (Dwarf_Die * cudie, void * arg) for (map<Dwarf_Addr, func_info>::iterator i = q->filtered_functions.begin(); i != q->filtered_functions.end(); ++i) query_func_info (i->first, i->second, q); - + // Or all inline instances (if we're scanning inlines) if (q->has_statement_str || q->has_inline_str || q->has_inline_num) - for (map<Dwarf_Addr, inline_instance_info>::iterator i + for (map<Dwarf_Addr, inline_instance_info>::iterator i = q->filtered_inlines.begin(); i != q->filtered_inlines.end(); ++i) query_inline_instance_info (i->first, i->second, q); @@ -2152,7 +2152,7 @@ query_module (Dwfl_Module *mod __attribute__ ((unused)), // If we just processed the module "kernel", and the user asked for // the kernel pattern, there's no need to iterate over any further // modules - + if (q->has_kernel && q->dw.module_name_matches(TOK_KERNEL)) return DWARF_CB_ABORT; } @@ -2256,13 +2256,13 @@ var_expanding_copy_visitor::visit_target_symbol (target_symbol *e) if (lvalue && !q.sess.guru_mode) throw semantic_error("Illegal target variable access", e->tok); - string fname = (string(lvalue ? "set" : "get") - + "_" + e->base_name.substr(1) + string fname = (string(lvalue ? "set" : "get") + + "_" + e->base_name.substr(1) + "_" + lex_cast<string>(tick++)); try { - ec->code = q.dw.literal_stmt_for_local (scope_die, + ec->code = q.dw.literal_stmt_for_local (scope_die, addr, e->base_name.substr(1), e->components, @@ -2534,7 +2534,7 @@ string_array_name(unsigned probenum) void -dwarf_derived_probe::emit_registrations (translator_output* o, +dwarf_derived_probe::emit_registrations (translator_output* o, unsigned probenum) { string func_name = function_name(probenum); @@ -2606,11 +2606,11 @@ dwarf_derived_probe::emit_deregistrations (translator_output* o, unsigned proben else o->newline() << "unregister_kprobe (&(" << probe_name << "));"; o->indent(-1); - o->newline(-1) << "}"; + o->newline(-1) << "}"; } void -dwarf_derived_probe::emit_probe_entries (translator_output* o, +dwarf_derived_probe::emit_probe_entries (translator_output* o, unsigned probenum) { static unsigned already_emitted_fault_handler = 0; @@ -2661,7 +2661,7 @@ dwarf_derived_probe::emit_probe_entries (translator_output* o, o->indent(1); for (vector<Dwarf_Addr>::const_iterator i = probe_points.begin(); - i != probe_points.end(); + i != probe_points.end(); ++i) { if (i != probe_points.begin()) @@ -2684,26 +2684,26 @@ dwarf_derived_probe::emit_probe_entries (translator_output* o, // taking the difference of the struct kprobe pointer and the base // of the kprobe array and dividing by the size of the struct kprobe // (or kretprobe), then you can use this index into the string table - // here to work out the *name* of the probe you're in. + // here to work out the *name* of the probe you're in. // // Sorry. assert(probe_points.size() == locations.size()); - o->newline() << "char const * " + o->newline() << "char const * " << string_array << "[" << locations.size() << "] = {"; o->indent(1); - for (vector<probe_point*>::const_iterator i = locations.begin(); + for (vector<probe_point*>::const_iterator i = locations.begin(); i != locations.end(); ++i) { if (i != locations.begin()) o->line() << ","; o->newline() << lex_cast_qstring(*(*i)); } - o->newline(-1) << "};"; + o->newline(-1) << "};"; + - // Construct a single entry function, and a struct kprobe pointing into // the entry function. The entry function will call the probe function. o->newline(); @@ -2720,12 +2720,12 @@ dwarf_derived_probe::emit_probe_entries (translator_output* o, // Calculate the name of the current probe by finding its index in the probe array. if (has_return) - o->newline() << "const char* probe_point = " - << string_array + o->newline() << "const char* probe_point = " + << string_array << "[ (probe_instance->rp - &(" << probe_array << "[0]))];"; else - o->newline() << "const char* probe_point = " - << string_array + o->newline() << "const char* probe_point = " + << string_array << "[ (probe_instance - &(" << probe_array << "[0]))];"; // A precondition for running a probe handler is that we're in RUNNING @@ -2754,7 +2754,7 @@ dwarf_derived_probe::emit_probe_entries (translator_output* o, o->newline(1) << "_stp_error (\"%s near %s\", c->last_error, c->last_stmt);"; o->newline() << "atomic_set (& session_state, STAP_SESSION_ERROR);"; o->newline(-1) << "}"; - + o->newline() << "atomic_dec (& c->busy);"; o->newline() << "return 0;"; o->newline(-1) << "}" << endl; @@ -2778,7 +2778,7 @@ dwarf_builder::build(systemtap_session & sess, dw.setup(q.has_kernel || q.has_module); - if (q.has_kernel && + if (q.has_kernel && (q.has_function_num || q.has_inline_num || q.has_statement_num)) { // If we have kernel.function(0xbeef), or @@ -2790,7 +2790,7 @@ dwarf_builder::build(systemtap_session & sess, a = q.function_num_val; else if (q.has_inline_num) a = q.inline_num_val; - else + else a = q.statement_num_val; dw.focus_on_module_containing_global_address(a); dw.query_cu_containing_global_address(a, &q); @@ -2898,7 +2898,7 @@ timer_derived_probe::emit_probe_entries (translator_output* o, unsigned j) if (randomize) o->line() << " + _stp_random_pm(" << randomize << ")"; o->line() << ");"; - + o->newline() << "c->probe_point = probe_point;"; o->newline() << "c->last_error = 0;"; o->newline() << "c->nesting = 0;"; @@ -2910,15 +2910,15 @@ timer_derived_probe::emit_probe_entries (translator_output* o, unsigned j) o->newline(-1) << "#endif"; o->newline() << "c->actioncount = 0;"; - + // NB: locals are initialized by probe function itself o->newline() << "probe_" << j << " (c);"; - + o->newline() << "if (c->last_error && c->last_error[0]) {"; o->newline(1) << "_stp_error (\"%s near %s\", c->last_error, c->last_stmt);"; o->newline() << "atomic_set (& session_state, STAP_SESSION_ERROR);"; o->newline(-1) << "}"; - + o->newline() << "atomic_dec (&c->busy);"; o->newline(-1) << "}" << endl; } @@ -2938,7 +2938,7 @@ struct timer_builder: public derived_probe_builder jn_p = get_param (parameters, "jiffies", jn); rn_p = get_param (parameters, "randomize", rn); - + finished_results.push_back(new timer_derived_probe(base, location, jn, rn_p ? rn : 0)); } |