Lines Matching refs:pf
445 static int convert_variable(Dwarf_Die *vr_die, struct probe_finder *pf) in convert_variable() argument
453 ret = convert_variable_location(vr_die, pf->addr, pf->fb_ops, in convert_variable()
454 &pf->sp_die, pf->machine, pf->tvar); in convert_variable()
455 if (ret == -ENOENT && pf->skip_empty_arg) in convert_variable()
459 print_var_not_found(pf->pvar->var); in convert_variable()
462 else if (ret == 0 && pf->pvar->field) { in convert_variable()
463 ret = convert_variable_fields(vr_die, pf->pvar->var, in convert_variable()
464 pf->pvar->field, &pf->tvar->ref, in convert_variable()
465 &die_mem, pf->pvar->user_access); in convert_variable()
469 ret = convert_variable_type(vr_die, pf->tvar, pf->pvar->type, in convert_variable()
470 pf->pvar->user_access); in convert_variable()
476 static int find_variable(Dwarf_Die *sc_die, struct probe_finder *pf) in find_variable() argument
483 if (!is_c_varname(pf->pvar->var)) in find_variable()
484 return copy_to_probe_trace_arg(pf->tvar, pf->pvar); in find_variable()
486 if (pf->pvar->name) in find_variable()
487 pf->tvar->name = strdup(pf->pvar->name); in find_variable()
489 buf = synthesize_perf_probe_arg(pf->pvar); in find_variable()
495 pf->tvar->name = buf; in find_variable()
497 if (pf->tvar->name == NULL) in find_variable()
500 pr_debug("Searching '%s' variable in context.\n", pf->pvar->var); in find_variable()
502 if (!die_find_variable_at(sc_die, pf->pvar->var, pf->addr, &vr_die)) { in find_variable()
504 if (!die_find_variable_at(&pf->cu_die, pf->pvar->var, in find_variable()
506 if (pf->skip_empty_arg) in find_variable()
509 pf->pvar->var); in find_variable()
514 ret = convert_variable(&vr_die, pf); in find_variable()
572 static int call_probe_finder(Dwarf_Die *sc_die, struct probe_finder *pf) in call_probe_finder() argument
586 if (!die_find_realfunc(&pf->cu_die, pf->addr, &pf->sp_die)) { in call_probe_finder()
587 if (die_find_tailfunc(&pf->cu_die, pf->addr, &pf->sp_die)) { in call_probe_finder()
589 dwarf_diename(&pf->sp_die)); in call_probe_finder()
598 memcpy(&pf->sp_die, sc_die, sizeof(Dwarf_Die)); in call_probe_finder()
601 dwarf_attr(&pf->sp_die, DW_AT_frame_base, &fb_attr); in call_probe_finder()
602 ret = dwarf_getlocation_addr(&fb_attr, pf->addr, &pf->fb_ops, &nops, 1); in call_probe_finder()
604 pf->fb_ops = NULL; in call_probe_finder()
606 } else if (nops == 1 && pf->fb_ops[0].atom == DW_OP_call_frame_cfa && in call_probe_finder()
607 (pf->cfi_eh != NULL || pf->cfi_dbg != NULL)) { in call_probe_finder()
608 if ((dwarf_cfi_addrframe(pf->cfi_eh, pf->addr, &frame) != 0 && in call_probe_finder()
609 (dwarf_cfi_addrframe(pf->cfi_dbg, pf->addr, &frame) != 0)) || in call_probe_finder()
610 dwarf_frame_cfa(frame, &pf->fb_ops, &nops) != 0) { in call_probe_finder()
612 (uintmax_t)pf->addr); in call_probe_finder()
620 ret = pf->callback(sc_die, pf); in call_probe_finder()
624 pf->fb_ops = NULL; in call_probe_finder()
681 static Dwarf_Die *find_best_scope(struct probe_finder *pf, Dwarf_Die *die_mem) in find_best_scope() argument
684 .function = pf->pev->point.function, in find_best_scope()
685 .file = pf->fname, in find_best_scope()
686 .line = pf->lno, in find_best_scope()
693 ret = cu_walk_functions_at(&pf->cu_die, pf->addr, find_best_scope_cb, in find_best_scope()
696 cu_walk_functions_at(&pf->cu_die, pf->addr, in find_best_scope()
702 static int verify_representive_line(struct probe_finder *pf, const char *fname, in verify_representive_line() argument
710 if (cu_find_lineinfo(&pf->cu_die, addr, &__fname, &__lineno) < 0) in verify_representive_line()
719 if (pf->pev->point.function) { in verify_representive_line()
721 pf->addr = addr; in verify_representive_line()
722 if (find_best_scope(pf, &die_mem) in verify_representive_line()
723 && die_match_name(&die_mem, pf->pev->point.function) in verify_representive_line()
738 struct probe_finder *pf = data; in probe_point_line_walker() local
742 if (lineno != pf->lno || strtailcmp(fname, pf->fname) != 0) in probe_point_line_walker()
745 if (verify_representive_line(pf, fname, lineno, addr)) in probe_point_line_walker()
748 pf->addr = addr; in probe_point_line_walker()
749 sc_die = find_best_scope(pf, &die_mem); in probe_point_line_walker()
755 ret = call_probe_finder(sc_die, pf); in probe_point_line_walker()
762 static int find_probe_point_by_line(struct probe_finder *pf) in find_probe_point_by_line() argument
764 return die_walk_lines(&pf->cu_die, probe_point_line_walker, pf); in find_probe_point_by_line()
810 struct probe_finder *pf = data; in probe_point_lazy_walker() local
814 if (!intlist__has_entry(pf->lcache, lineno) || in probe_point_lazy_walker()
815 strtailcmp(fname, pf->fname) != 0) in probe_point_lazy_walker()
820 pf->addr = addr; in probe_point_lazy_walker()
821 pf->lno = lineno; in probe_point_lazy_walker()
822 sc_die = find_best_scope(pf, &die_mem); in probe_point_lazy_walker()
828 ret = call_probe_finder(sc_die, pf); in probe_point_lazy_walker()
838 static int find_probe_point_lazy(Dwarf_Die *sp_die, struct probe_finder *pf) in find_probe_point_lazy() argument
845 if (intlist__empty(pf->lcache)) { in find_probe_point_lazy()
848 comp_dir = cu_get_comp_dir(&pf->cu_die); in find_probe_point_lazy()
849 if (pf->dbg->build_id) { in find_probe_point_lazy()
850 build_id__init(&bid, pf->dbg->build_id, BUILD_ID_SIZE); in find_probe_point_lazy()
853 ret = find_source_path(pf->fname, sbuild_id, comp_dir, &fpath); in find_probe_point_lazy()
860 ret = find_lazy_match_lines(pf->lcache, fpath, in find_probe_point_lazy()
861 pf->pev->point.lazy_line); in find_probe_point_lazy()
867 return die_walk_lines(sp_die, probe_point_lazy_walker, pf); in find_probe_point_lazy()
870 static void skip_prologue(Dwarf_Die *sp_die, struct probe_finder *pf) in skip_prologue() argument
872 struct perf_probe_point *pp = &pf->pev->point; in skip_prologue()
875 if (!pf->pev->uprobes) in skip_prologue()
879 if (die_is_optimized_target(&pf->cu_die)) in skip_prologue()
883 if (!pf->addr) in skip_prologue()
892 if (!perf_probe_with_var(pf->pev)) in skip_prologue()
897 pf->addr); in skip_prologue()
899 die_skip_prologue(sp_die, &pf->cu_die, &pf->addr); in skip_prologue()
904 struct probe_finder *pf = data; in probe_point_inline_cb() local
905 struct perf_probe_point *pp = &pf->pev->point; in probe_point_inline_cb()
910 ret = find_probe_point_lazy(in_die, pf); in probe_point_inline_cb()
923 pf->addr = addr; in probe_point_inline_cb()
924 pf->addr += pp->offset; in probe_point_inline_cb()
926 (uintmax_t)pf->addr); in probe_point_inline_cb()
928 ret = call_probe_finder(in_die, pf); in probe_point_inline_cb()
944 struct probe_finder *pf = param->data; in probe_point_search_cb() local
945 struct perf_probe_point *pp = &pf->pev->point; in probe_point_search_cb()
964 pf->fname = fname; in probe_point_search_cb()
966 dwarf_decl_line(sp_die, &pf->lno); in probe_point_search_cb()
967 pf->lno += pp->line; in probe_point_search_cb()
968 param->retval = find_probe_point_by_line(pf); in probe_point_search_cb()
971 die_entrypc(sp_die, &pf->addr); in probe_point_search_cb()
973 if (pf->addr == 0) { in probe_point_search_cb()
979 param->retval = find_probe_point_lazy(sp_die, pf); in probe_point_search_cb()
981 skip_prologue(sp_die, pf); in probe_point_search_cb()
982 pf->addr += pp->offset; in probe_point_search_cb()
984 param->retval = call_probe_finder(sp_die, pf); in probe_point_search_cb()
989 probe_point_inline_cb, (void *)pf); in probe_point_search_cb()
1004 static int find_probe_point_by_func(struct probe_finder *pf) in find_probe_point_by_func() argument
1006 struct dwarf_callback_param _param = {.data = (void *)pf, in find_probe_point_by_func()
1008 dwarf_getfuncs(&pf->cu_die, probe_point_search_cb, &_param, 0); in find_probe_point_by_func()
1048 struct probe_finder *pf) in debuginfo__find_probe_location() argument
1050 struct perf_probe_point *pp = &pf->pev->point; in debuginfo__find_probe_location()
1057 pf->lcache = intlist__new(NULL); in debuginfo__find_probe_location()
1058 if (!pf->lcache) in debuginfo__find_probe_location()
1066 .cu_die = &pf->cu_die, in debuginfo__find_probe_location()
1067 .sp_die = &pf->sp_die, in debuginfo__find_probe_location()
1071 .data = pf, in debuginfo__find_probe_location()
1077 ret = probe_point_search_cb(&pf->sp_die, &probe_param); in debuginfo__find_probe_location()
1086 diep = dwarf_offdie(dbg->dbg, off + cuhl, &pf->cu_die); in debuginfo__find_probe_location()
1094 pf->fname = cu_find_realpath(&pf->cu_die, pp->file); in debuginfo__find_probe_location()
1096 pf->fname = NULL; in debuginfo__find_probe_location()
1098 if (!pp->file || pf->fname) { in debuginfo__find_probe_location()
1100 ret = find_probe_point_by_func(pf); in debuginfo__find_probe_location()
1102 ret = find_probe_point_lazy(&pf->cu_die, pf); in debuginfo__find_probe_location()
1104 pf->lno = pp->line; in debuginfo__find_probe_location()
1105 ret = find_probe_point_by_line(pf); in debuginfo__find_probe_location()
1114 intlist__delete(pf->lcache); in debuginfo__find_probe_location()
1115 pf->lcache = NULL; in debuginfo__find_probe_location()
1122 struct probe_finder *pf) in debuginfo__find_probes() argument
1128 if (pf->cfi_eh || pf->cfi_dbg) in debuginfo__find_probes()
1129 return debuginfo__find_probe_location(dbg, pf); in debuginfo__find_probes()
1139 pf->machine = ehdr.e_machine; in debuginfo__find_probes()
1147 pf->cfi_eh = dwarf_getcfi_elf(elf); in debuginfo__find_probes()
1149 pf->cfi_dbg = dwarf_getcfi(dbg->dbg); in debuginfo__find_probes()
1153 ret = debuginfo__find_probe_location(dbg, pf); in debuginfo__find_probes()
1158 struct probe_finder *pf; member
1170 struct probe_finder *pf = vf->pf; in copy_variables_cb() local
1176 if (convert_variable_location(die_mem, vf->pf->addr, in copy_variables_cb()
1177 vf->pf->fb_ops, &pf->sp_die, in copy_variables_cb()
1178 pf->machine, NULL) == 0) { in copy_variables_cb()
1189 if (dwarf_haspc(die_mem, vf->pf->addr)) in copy_variables_cb()
1195 static int expand_probe_args(Dwarf_Die *sc_die, struct probe_finder *pf, in expand_probe_args() argument
1201 struct local_vars_finder vf = {.pf = pf, .args = args, .vars = false, in expand_probe_args()
1204 for (i = 0; i < pf->pev->nargs; i++) { in expand_probe_args()
1206 if (strcmp(pf->pev->args[i].var, PROBE_ARG_VARS) == 0) in expand_probe_args()
1208 else if (strcmp(pf->pev->args[i].var, PROBE_ARG_PARAMS) != 0) { in expand_probe_args()
1210 args[n] = pf->pev->args[i]; in expand_probe_args()
1214 pr_debug("Expanding %s into:", pf->pev->args[i].var); in expand_probe_args()
1232 if (tf->pf.addr == tf->tevs[i].point.address) in trace_event_finder_overlap()
1239 static int add_probe_trace_event(Dwarf_Die *sc_die, struct probe_finder *pf) in add_probe_trace_event() argument
1242 container_of(pf, struct trace_event_finder, pf); in add_probe_trace_event()
1243 struct perf_probe_point *pp = &pf->pev->point; in add_probe_trace_event()
1265 ret = convert_to_trace_point(&pf->sp_die, tf->mod, pf->addr, in add_probe_trace_event()
1286 ret = expand_probe_args(sc_die, pf, args); in add_probe_trace_event()
1299 pf->pvar = &args[i]; in add_probe_trace_event()
1300 pf->tvar = &tev->args[i]; in add_probe_trace_event()
1302 ret = find_variable(sc_die, pf); in add_probe_trace_event()
1363 .pf = {.pev = pev, .dbg = dbg, .callback = add_probe_trace_event}, in debuginfo__find_trace_events()
1376 tf.pf.skip_empty_arg = true; in debuginfo__find_trace_events()
1378 ret = debuginfo__find_probes(dbg, &tf.pf); in debuginfo__find_trace_events()
1379 if (ret >= 0 && tf.pf.skip_empty_arg) in debuginfo__find_trace_events()
1405 ret = convert_variable_location(die_mem, af->pf.addr, in collect_variables_cb()
1406 af->pf.fb_ops, &af->pf.sp_die, in collect_variables_cb()
1407 af->pf.machine, NULL); in collect_variables_cb()
1431 ret2 = die_get_var_range(&af->pf.sp_die, in collect_variables_cb()
1444 if (af->child && dwarf_haspc(die_mem, af->pf.addr)) in collect_variables_cb()
1459 if (af->pf.addr == af->vls[i].point.address) in available_var_finder_overlap()
1467 static int add_available_vars(Dwarf_Die *sc_die, struct probe_finder *pf) in add_available_vars() argument
1470 container_of(pf, struct available_var_finder, pf); in add_available_vars()
1471 struct perf_probe_point *pp = &pf->pev->point; in add_available_vars()
1492 ret = convert_to_trace_point(&pf->sp_die, af->mod, pf->addr, in add_available_vars()
1512 die_find_child(&pf->cu_die, collect_variables_cb, (void *)af, &die_mem); in add_available_vars()
1533 .pf = {.pev = pev, .dbg = dbg, .callback = add_available_vars}, in debuginfo__find_available_vars_at()
1546 ret = debuginfo__find_probes(dbg, &af.pf); in debuginfo__find_available_vars_at()