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[8.43.85.97]) by mx.google.com with ESMTPS id y14-20020a056402358e00b00456d3fc12d4si21709549edc.222.2022.10.21.09.03.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Oct 2022 09:03:30 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) client-ip=8.43.85.97; Authentication-Results: mx.google.com; dkim=pass header.i=@gcc.gnu.org header.s=default header.b="V/bwfcXB"; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 8.43.85.97 as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=gnu.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 9CDC53851C2C for ; Fri, 21 Oct 2022 16:02:56 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9CDC53851C2C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1666368176; bh=pbespWr9ObbgEZFZsQTkqANGFYNrpbaDqAtj7dE1eVw=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=V/bwfcXB+t+n3AHQL4Ia173d7m+r4CdItBEHbKXDxkzPgNlKRv4aLzJ4RJ15Lvbi1 J3RJSqNkB8Y/MxMKgt4LKM4q3NQkzY7O7M8fzvsr+5BAzB9OE3FZNldUcL90F4PDsy QHScONL5SG796tTIqIWOpc53u19he8QNzB1vK4Mw= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by sourceware.org (Postfix) with ESMTPS id 7A2AF3854171 for ; Fri, 21 Oct 2022 16:01:59 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 7A2AF3854171 Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-636-2D8RFYXgMrKUSLiDWgycWg-1; Fri, 21 Oct 2022 12:01:56 -0400 X-MC-Unique: 2D8RFYXgMrKUSLiDWgycWg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8D61F2804E07 for ; Fri, 21 Oct 2022 16:01:56 +0000 (UTC) Received: from t14s.localdomain.com (unknown [10.2.17.189]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4FDDF10197; Fri, 21 Oct 2022 16:01:56 +0000 (UTC) To: gcc-patches@gcc.gnu.org Subject: [PATCH 2/2] analyzer: use std::unique_ptr for pending_diagnostic/note Date: Fri, 21 Oct 2022 12:01:50 -0400 Message-Id: <20221021160150.1600351-2-dmalcolm@redhat.com> In-Reply-To: <20221021160150.1600351-1-dmalcolm@redhat.com> References: <20221021160150.1600351-1-dmalcolm@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.5 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, GIT_PATCH_0, KAM_SHORT, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: David Malcolm via Gcc-patches From: David Malcolm Reply-To: David Malcolm Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1747313712743477755?= X-GMAIL-MSGID: =?utf-8?q?1747313712743477755?= Successfully bootstrapped & regrtested on x86_64-pc-linux-gnu. I can self-approve this, but it requires the patch adding make-unique.h as a prerequisite. gcc/analyzer/ChangeLog: * call-info.cc: Add define of INCLUDE_MEMORY. * call-summary.cc: Likewise. * checker-path.cc: Likewise. * constraint-manager.cc: Likewise. * diagnostic-manager.cc: Likewise. (saved_diagnostic::saved_diagnostic): Use std::unique_ptr for param d and field m_d. (saved_diagnostic::~saved_diagnostic): Remove explicit delete of m_d. (saved_diagnostic::add_note): Use std::unique_ptr for param pn. (saved_diagnostic::get_pending_diagnostic): Update for conversion of m_sd.m_d to unique_ptr. (diagnostic_manager::add_diagnostic): Use std::unique_ptr for param d. Remove explicit deletion. (diagnostic_manager::add_note): Use std::unique_ptr for param pn. (diagnostic_manager::emit_saved_diagnostic): Update for conversion of m_sd.m_d to unique_ptr. (null_assignment_sm_context::warn): Use std::unique_ptr for param d. Remove explicit deletion. * diagnostic-manager.h (saved_diagnostic::saved_diagnostic): Use std::unique_ptr for param d. (saved_diagnostic::add_note): Likewise for param pn. (saved_diagnostic::m_d): Likewise. (diagnostic_manager::add_diagnostic): Use std::unique_ptr for param d. (diagnostic_manager::add_note): Use std::unique_ptr for param pn. * engine.cc: Include "make-unique.h". (impl_region_model_context::warn): Update to use std::unique_ptr for param, removing explicit deletion. (impl_region_model_context::add_note): Likewise. (impl_sm_context::warn): Update to use std::unique_ptr for param. (impl_region_model_context::on_state_leak): Likewise for result of on_leak. (exploded_node::on_longjmp): Use make_unique when creating pending_diagnostic. (exploded_graph::process_node): Likewise. * exploded-graph.h (impl_region_model_context::warn): Update to use std::unique_ptr for param. (impl_region_model_context::add_note): Likewise. * feasible-graph.cc: Add define of INCLUDE_MEMORY. * pending-diagnostic.cc: Likewise. * pending-diagnostic.h: Include analyzer.sm.h" * program-point.cc: Add define of INCLUDE_MEMORY. * program-state.cc: Likewise. * region-model-asm.cc: Likewise. * region-model-impl-calls.cc: Likewise. Include "make-unique.h". (region_model::impl_call_putenv): Use make_unique when creating pending_diagnostic. * region-model-manager.cc: Add define of INCLUDE_MEMORY. * region-model-reachability.cc: Likewise. * region-model.cc: Likewise. Include "make-unique.h". (region_model::get_gassign_result): Use make_unique when creating pending_diagnostic. (region_model::check_for_poison): Likewise. (region_model::on_stmt_pre): Likewise. (region_model::check_symbolic_bounds): Likewise. (region_model::check_region_bounds): Likewise. (annotating_ctxt: make_note): Use std::unique_ptr for result. (region_model::deref_rvalue): Use make_unique when creating pending_diagnostic. (region_model::check_for_writable_region): Likewise. (region_model::check_region_size): Likewise. (region_model::check_dynamic_size_for_floats): Likewise. (region_model::maybe_complain_about_infoleak): Likewise. (noop_region_model_context::add_note): Use std::unique_ptr for param. Remove explicit deletion. * region-model.h: Include "analyzer/pending-diagnostic.h". (region_model_context::warn): Convert param to std::unique_ptr. (region_model_context::add_note): Likewise. (noop_region_model_context::warn): Likewise. (noop_region_model_context::add_note): Likewise. (region_model_context_decorator::warn): Likewise. (region_model_context_decorator::add_note): Likewise. (note_adding_context::warn): Likewise. (note_adding_context::make_note): Likewise for return type. (test_region_model_context::warn): Convert param to std::unique_ptr. * region.cc: Add define of INCLUDE_MEMORY. * sm-fd.cc: Likewise. Include "make-unique.h". (fd_state_machine::check_for_fd_attrs): Use make_unique when creating pending_diagnostics. (fd_state_machine::on_open): Likewise. (fd_state_machine::on_creat): Likewise. (fd_state_machine::check_for_dup): Likewise. (fd_state_machine::on_close): Likewise. (fd_state_machine::check_for_open_fd): Likewise. (fd_state_machine::on_leak): Likewise, converting return type to std::unique_ptr. * sm-file.cc: Add define of INCLUDE_MEMORY. Include "make-unique.h". (fileptr_state_machine::on_stmt): Use make_unique when creating pending_diagnostic. (fileptr_state_machine::on_leak): Likewise, converting return type to std::unique_ptr. * sm-malloc.cc: Add define of INCLUDE_MEMORY. Include "make-unique.h". (malloc_state_machine::on_stmt): Use make_unique when creating pending_diagnostic. (malloc_state_machine::handle_free_of_non_heap): Likewise. (malloc_state_machine::on_deallocator_call): Likewise. (malloc_state_machine::on_realloc_call): Likewise. (malloc_state_machine::on_leak): Likewise, converting return type to std::unique_ptr. * sm-pattern-test.cc: Add define of INCLUDE_MEMORY. Include "make-unique.h". (pattern_test_state_machine::on_condition): Use make_unique when creating pending_diagnostic. * sm-sensitive.cc: Add define of INCLUDE_MEMORY. Include "make-unique.h". (sensitive_state_machine::warn_for_any_exposure): Use make_unique when creating pending_diagnostic. * sm-signal.cc: Add define of INCLUDE_MEMORY. Include "make-unique.h". (signal_state_machine::on_stmt): Use make_unique when creating pending_diagnostic. * sm-taint.cc: Add define of INCLUDE_MEMORY. Include "make-unique.h". (taint_state_machine::check_for_tainted_size_arg): Use make_unique when creating pending_diagnostic. (taint_state_machine::check_for_tainted_divisor): Likewise. (region_model::check_region_for_taint): Likewise. (region_model::check_dynamic_size_for_taint): Likewise. * sm.cc: Add define of INCLUDE_MEMORY. Include "analyzer/pending-diagnostic.h". (state_machine::on_leak): Move here from sm.h, changing return type to std::unique_ptr. * sm.h (state_machine::on_leak): Change return type to std::unique_ptr. Move defn of base impl to sm.cc (sm_context::warn): Convert param d to std_unique_ptr. * state-purge.cc: Add define of INCLUDE_MEMORY. * store.cc: Likewise. * svalue.cc: Likewise. * trimmed-graph.cc: Likewise. * varargs.cc: Likewise. Include "make-unique.h". (va_list_state_machine::check_for_ended_va_list): Use make_unique when creating pending_diagnostic. (va_list_state_machine::on_leak): Likewise, converting return type to std::unique_ptr. (region_model::impl_call_va_arg): Use make_unique when creating pending_diagnostic. gcc/testsuite/ChangeLog: * gcc.dg/plugin/analyzer_gil_plugin.c: Add define of INCLUDE_MEMORY. Include "make-unique.h". (gil_state_machine::check_for_pyobject_in_call): Use make_unique when creating pending_diagnostic. (gil_state_machine::on_stmt): Likewise. (gil_state_machine::check_for_pyobject_usage_without_gil): Likewise. * gcc.dg/plugin/analyzer_kernel_plugin.c: : Add define of INCLUDE_MEMORY. * gcc.dg/plugin/analyzer_known_fns_plugin.c: Likewise. Signed-off-by: David Malcolm --- gcc/analyzer/call-info.cc | 1 + gcc/analyzer/call-summary.cc | 1 + gcc/analyzer/checker-path.cc | 1 + gcc/analyzer/constraint-manager.cc | 1 + gcc/analyzer/diagnostic-manager.cc | 40 ++++----- gcc/analyzer/diagnostic-manager.h | 12 +-- gcc/analyzer/engine.cc | 41 +++++---- gcc/analyzer/exploded-graph.h | 4 +- gcc/analyzer/feasible-graph.cc | 1 + gcc/analyzer/pending-diagnostic.cc | 1 + gcc/analyzer/pending-diagnostic.h | 1 + gcc/analyzer/program-point.cc | 1 + gcc/analyzer/program-state.cc | 1 + gcc/analyzer/region-model-asm.cc | 1 + gcc/analyzer/region-model-impl-calls.cc | 4 +- gcc/analyzer/region-model-manager.cc | 1 + gcc/analyzer/region-model-reachability.cc | 1 + gcc/analyzer/region-model.cc | 87 +++++++++++-------- gcc/analyzer/region-model.h | 31 +++---- gcc/analyzer/region.cc | 1 + gcc/analyzer/sm-fd.cc | 58 ++++++++----- gcc/analyzer/sm-file.cc | 10 ++- gcc/analyzer/sm-malloc.cc | 53 +++++------ gcc/analyzer/sm-pattern-test.cc | 6 +- gcc/analyzer/sm-sensitive.cc | 5 +- gcc/analyzer/sm-signal.cc | 6 +- gcc/analyzer/sm-taint.cc | 22 +++-- gcc/analyzer/sm.cc | 10 +++ gcc/analyzer/sm.h | 12 +-- gcc/analyzer/state-purge.cc | 1 + gcc/analyzer/store.cc | 1 + gcc/analyzer/svalue.cc | 1 + gcc/analyzer/trimmed-graph.cc | 1 + gcc/analyzer/varargs.cc | 24 ++--- .../gcc.dg/plugin/analyzer_gil_plugin.c | 12 +-- .../gcc.dg/plugin/analyzer_kernel_plugin.c | 1 + .../gcc.dg/plugin/analyzer_known_fns_plugin.c | 1 + 37 files changed, 266 insertions(+), 190 deletions(-) diff --git a/gcc/analyzer/call-info.cc b/gcc/analyzer/call-info.cc index 56059ac5cf4..3572e06d14b 100644 --- a/gcc/analyzer/call-info.cc +++ b/gcc/analyzer/call-info.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/call-summary.cc b/gcc/analyzer/call-summary.cc index 12ef82d18d6..ebc7b5028ec 100644 --- a/gcc/analyzer/call-summary.cc +++ b/gcc/analyzer/call-summary.cc @@ -18,6 +18,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/checker-path.cc b/gcc/analyzer/checker-path.cc index 371111b288d..4cf28c2af86 100644 --- a/gcc/analyzer/checker-path.cc +++ b/gcc/analyzer/checker-path.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/constraint-manager.cc b/gcc/analyzer/constraint-manager.cc index 96ae0738419..b4e51b08943 100644 --- a/gcc/analyzer/constraint-manager.cc +++ b/gcc/analyzer/constraint-manager.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/diagnostic-manager.cc b/gcc/analyzer/diagnostic-manager.cc index 695bde5bee1..0444e52258c 100644 --- a/gcc/analyzer/diagnostic-manager.cc +++ b/gcc/analyzer/diagnostic-manager.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" @@ -638,14 +639,14 @@ saved_diagnostic::saved_diagnostic (const state_machine *sm, tree var, const svalue *sval, state_machine::state_t state, - pending_diagnostic *d, + std::unique_ptr d, unsigned idx) : m_sm (sm), m_enode (enode), m_snode (snode), m_stmt (stmt), /* stmt_finder could be on-stack; we want our own copy that can outlive that. */ m_stmt_finder (stmt_finder ? stmt_finder->clone () : NULL), m_var (var), m_sval (sval), m_state (state), - m_d (d), m_trailing_eedge (NULL), + m_d (std::move (d)), m_trailing_eedge (NULL), m_idx (idx), m_best_epath (NULL), m_problem (NULL), m_notes () @@ -662,7 +663,6 @@ saved_diagnostic::saved_diagnostic (const state_machine *sm, saved_diagnostic::~saved_diagnostic () { delete m_stmt_finder; - delete m_d; delete m_best_epath; delete m_problem; } @@ -689,10 +689,10 @@ saved_diagnostic::operator== (const saved_diagnostic &other) const /* Add PN to this diagnostic, taking ownership of it. */ void -saved_diagnostic::add_note (pending_note *pn) +saved_diagnostic::add_note (std::unique_ptr pn) { gcc_assert (pn); - m_notes.safe_push (pn); + m_notes.safe_push (pn.release ()); } /* Return a new json::object of the form @@ -896,7 +896,7 @@ public: pending_diagnostic *get_pending_diagnostic () const { - return m_sd.m_d; + return m_sd.m_d.get (); } bool reachable_from_p (const exploded_node *src_enode) const @@ -955,8 +955,7 @@ diagnostic_manager::diagnostic_manager (logger *logger, engine *eng, } /* Queue pending_diagnostic D at ENODE for later emission. - Return true/false signifying if the diagnostic was actually added. - Take ownership of D (or delete it). */ + Return true/false signifying if the diagnostic was actually added. */ bool diagnostic_manager::add_diagnostic (const state_machine *sm, @@ -966,7 +965,7 @@ diagnostic_manager::add_diagnostic (const state_machine *sm, tree var, const svalue *sval, state_machine::state_t state, - pending_diagnostic *d) + std::unique_ptr d) { LOG_FUNC (get_logger ()); @@ -987,7 +986,6 @@ diagnostic_manager::add_diagnostic (const state_machine *sm, if (get_logger ()) get_logger ()->log ("rejecting disabled warning %qs", d->get_kind ()); - delete d; m_num_disabled_diagnostics++; return false; } @@ -995,13 +993,13 @@ diagnostic_manager::add_diagnostic (const state_machine *sm, saved_diagnostic *sd = new saved_diagnostic (sm, enode, snode, stmt, finder, var, sval, - state, d, m_saved_diagnostics.length ()); + state, std::move (d), m_saved_diagnostics.length ()); m_saved_diagnostics.safe_push (sd); enode->add_diagnostic (sd); if (get_logger ()) log ("adding saved diagnostic %i at SN %i to EN %i: %qs", sd->get_index (), - snode->m_index, enode->m_index, d->get_kind ()); + snode->m_index, enode->m_index, sd->m_d->get_kind ()); return true; } @@ -1013,17 +1011,17 @@ bool diagnostic_manager::add_diagnostic (exploded_node *enode, const supernode *snode, const gimple *stmt, stmt_finder *finder, - pending_diagnostic *d) + std::unique_ptr d) { gcc_assert (enode); return add_diagnostic (NULL, enode, snode, stmt, finder, NULL_TREE, - NULL, 0, d); + NULL, 0, std::move (d)); } /* Add PN to the most recent saved_diagnostic. */ void -diagnostic_manager::add_note (pending_note *pn) +diagnostic_manager::add_note (std::unique_ptr pn) { LOG_FUNC (get_logger ()); gcc_assert (pn); @@ -1031,7 +1029,7 @@ diagnostic_manager::add_note (pending_note *pn) /* Get most recent saved_diagnostic. */ gcc_assert (m_saved_diagnostics.length () > 0); saved_diagnostic *sd = m_saved_diagnostics[m_saved_diagnostics.length () - 1]; - sd->add_note (pn); + sd->add_note (std::move (pn)); } /* Return a new json::object of the form @@ -1386,13 +1384,13 @@ diagnostic_manager::emit_saved_diagnostic (const exploded_graph &eg, emission_path.inject_any_inlined_call_events (get_logger ()); - emission_path.prepare_for_emission (sd.m_d); + emission_path.prepare_for_emission (sd.m_d.get ()); location_t loc = get_emission_location (sd.m_stmt, sd.m_snode->m_fun, *sd.m_d); /* Allow the pending_diagnostic to fix up the locations of events. */ - emission_path.fixup_locations (sd.m_d); + emission_path.fixup_locations (sd.m_d.get ()); gcc_rich_location rich_loc (loc); rich_loc.set_path (&emission_path); @@ -1783,14 +1781,12 @@ struct null_assignment_sm_context : public sm_context } void warn (const supernode *, const gimple *, - tree, pending_diagnostic *d) final override + tree, std::unique_ptr) final override { - delete d; } void warn (const supernode *, const gimple *, - const svalue *, pending_diagnostic *d) final override + const svalue *, std::unique_ptr) final override { - delete d; } tree get_diagnostic_tree (tree expr) final override diff --git a/gcc/analyzer/diagnostic-manager.h b/gcc/analyzer/diagnostic-manager.h index 266eed8f9cb..fdab038d7a1 100644 --- a/gcc/analyzer/diagnostic-manager.h +++ b/gcc/analyzer/diagnostic-manager.h @@ -36,13 +36,13 @@ public: stmt_finder *stmt_finder, tree var, const svalue *sval, state_machine::state_t state, - pending_diagnostic *d, + std::unique_ptr d, unsigned idx); ~saved_diagnostic (); bool operator== (const saved_diagnostic &other) const; - void add_note (pending_note *pn); + void add_note (std::unique_ptr pn); json::object *to_json () const; @@ -76,7 +76,7 @@ public: tree m_var; const svalue *m_sval; state_machine::state_t m_state; - pending_diagnostic *m_d; // owned + std::unique_ptr m_d; const exploded_edge *m_trailing_eedge; private: @@ -117,14 +117,14 @@ public: tree var, const svalue *sval, state_machine::state_t state, - pending_diagnostic *d); + std::unique_ptr d); bool add_diagnostic (exploded_node *enode, const supernode *snode, const gimple *stmt, stmt_finder *finder, - pending_diagnostic *d); + std::unique_ptr d); - void add_note (pending_note *pn); + void add_note (std::unique_ptr pn); void emit_saved_diagnostics (const exploded_graph &eg); diff --git a/gcc/analyzer/engine.cc b/gcc/analyzer/engine.cc index 46bcaeda837..3d191adf30d 100644 --- a/gcc/analyzer/engine.cc +++ b/gcc/analyzer/engine.cc @@ -22,6 +22,7 @@ along with GCC; see the file COPYING3. If not see #define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "fold-const.h" #include "gcc-rich-location.h" @@ -114,35 +115,29 @@ impl_region_model_context (program_state *state, } bool -impl_region_model_context::warn (pending_diagnostic *d) +impl_region_model_context::warn (std::unique_ptr d) { LOG_FUNC (get_logger ()); if (m_stmt == NULL && m_stmt_finder == NULL) { if (get_logger ()) get_logger ()->log ("rejecting diagnostic: no stmt"); - delete d; return false; } if (m_eg) return m_eg->get_diagnostic_manager ().add_diagnostic (m_enode_for_diag, m_enode_for_diag->get_supernode (), - m_stmt, m_stmt_finder, d); + m_stmt, m_stmt_finder, std::move (d)); else - { - delete d; - return false; - } + return false; } void -impl_region_model_context::add_note (pending_note *pn) +impl_region_model_context::add_note (std::unique_ptr pn) { LOG_FUNC (get_logger ()); if (m_eg) - m_eg->get_diagnostic_manager ().add_note (pn); - else - delete pn; + m_eg->get_diagnostic_manager ().add_note (std::move (pn)); } void @@ -415,10 +410,11 @@ public: } void warn (const supernode *snode, const gimple *stmt, - tree var, pending_diagnostic *d) final override + tree var, + std::unique_ptr d) final override { LOG_FUNC (get_logger ()); - gcc_assert (d); // take ownership + gcc_assert (d); impl_region_model_context old_ctxt (m_eg, m_enode_for_diag, m_old_state, m_new_state, NULL, NULL, NULL); @@ -430,14 +426,15 @@ public: : m_old_smap->get_global_state ()); m_eg.get_diagnostic_manager ().add_diagnostic (&m_sm, m_enode_for_diag, snode, stmt, m_stmt_finder, - var, var_old_sval, current, d); + var, var_old_sval, current, std::move (d)); } void warn (const supernode *snode, const gimple *stmt, - const svalue *sval, pending_diagnostic *d) final override + const svalue *sval, + std::unique_ptr d) final override { LOG_FUNC (get_logger ()); - gcc_assert (d); // take ownership + gcc_assert (d); impl_region_model_context old_ctxt (m_eg, m_enode_for_diag, m_old_state, m_new_state, NULL, NULL, NULL); @@ -447,7 +444,7 @@ public: : m_old_smap->get_global_state ()); m_eg.get_diagnostic_manager ().add_diagnostic (&m_sm, m_enode_for_diag, snode, stmt, m_stmt_finder, - NULL_TREE, sval, current, d); + NULL_TREE, sval, current, std::move (d)); } /* Hook for picking more readable trees for SSA names of temporaries, @@ -878,12 +875,12 @@ impl_region_model_context::on_state_leak (const state_machine &sm, } tree leaked_tree_for_diag = fixup_tree_for_diagnostic (leaked_tree); - pending_diagnostic *pd = sm.on_leak (leaked_tree_for_diag); + std::unique_ptr pd = sm.on_leak (leaked_tree_for_diag); if (pd) m_eg->get_diagnostic_manager ().add_diagnostic (&sm, m_enode_for_diag, m_enode_for_diag->get_supernode (), m_stmt, &stmt_finder, - leaked_tree_for_diag, sval, state, pd); + leaked_tree_for_diag, sval, state, std::move (pd)); } /* Implementation of region_model_context::on_condition vfunc. @@ -1859,7 +1856,9 @@ exploded_node::on_longjmp (exploded_graph &eg, /* Verify that the setjmp's call_stack hasn't been popped. */ if (!valid_longjmp_stack_p (longjmp_point, setjmp_point)) { - ctxt->warn (new stale_jmp_buf (setjmp_call, longjmp_call, setjmp_point)); + ctxt->warn (make_unique (setjmp_call, + longjmp_call, + setjmp_point)); return; } @@ -4257,7 +4256,7 @@ exploded_graph::process_node (exploded_node *node) const svalue *fn_ptr_sval = model->get_rvalue (fn_ptr, &ctxt); if (fn_ptr_sval->all_zeroes_p ()) - ctxt.warn (new jump_through_null (call)); + ctxt.warn (make_unique (call)); } /* An unknown function or a special function was called diff --git a/gcc/analyzer/exploded-graph.h b/gcc/analyzer/exploded-graph.h index 11e46cab160..3455a445b01 100644 --- a/gcc/analyzer/exploded-graph.h +++ b/gcc/analyzer/exploded-graph.h @@ -56,8 +56,8 @@ class impl_region_model_context : public region_model_context uncertainty_t *uncertainty, logger *logger = NULL); - bool warn (pending_diagnostic *d) final override; - void add_note (pending_note *pn) final override; + bool warn (std::unique_ptr d) final override; + void add_note (std::unique_ptr pn) final override; void on_svalue_leak (const svalue *) override; void on_liveness_change (const svalue_set &live_svalues, const region_model *model) final override; diff --git a/gcc/analyzer/feasible-graph.cc b/gcc/analyzer/feasible-graph.cc index a946e4c5a35..c5b0d620243 100644 --- a/gcc/analyzer/feasible-graph.cc +++ b/gcc/analyzer/feasible-graph.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/pending-diagnostic.cc b/gcc/analyzer/pending-diagnostic.cc index 50a8afc6afd..a21c86f37b5 100644 --- a/gcc/analyzer/pending-diagnostic.cc +++ b/gcc/analyzer/pending-diagnostic.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/pending-diagnostic.h b/gcc/analyzer/pending-diagnostic.h index 4ea469e1879..6ca8ab9f4aa 100644 --- a/gcc/analyzer/pending-diagnostic.h +++ b/gcc/analyzer/pending-diagnostic.h @@ -22,6 +22,7 @@ along with GCC; see the file COPYING3. If not see #define GCC_ANALYZER_PENDING_DIAGNOSTIC_H #include "diagnostic-path.h" +#include "analyzer/sm.h" namespace ana { diff --git a/gcc/analyzer/program-point.cc b/gcc/analyzer/program-point.cc index cfa4dda14df..23635a18de1 100644 --- a/gcc/analyzer/program-point.cc +++ b/gcc/analyzer/program-point.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/program-state.cc b/gcc/analyzer/program-state.cc index 7537dc03e41..d00fd5ebe0b 100644 --- a/gcc/analyzer/program-state.cc +++ b/gcc/analyzer/program-state.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/region-model-asm.cc b/gcc/analyzer/region-model-asm.cc index b4c1f9195ec..171b2496f58 100644 --- a/gcc/analyzer/region-model-asm.cc +++ b/gcc/analyzer/region-model-asm.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/region-model-impl-calls.cc b/gcc/analyzer/region-model-impl-calls.cc index 8f4940a4d55..796556e4082 100644 --- a/gcc/analyzer/region-model-impl-calls.cc +++ b/gcc/analyzer/region-model-impl-calls.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" @@ -54,6 +55,7 @@ along with GCC; see the file COPYING3. If not see #include "diagnostic-path.h" #include "analyzer/pending-diagnostic.h" #include "gimple-pretty-print.h" +#include "make-unique.h" #if ENABLE_ANALYZER @@ -675,7 +677,7 @@ region_model::impl_call_putenv (const call_details &cd) break; case MEMSPACE_STACK: if (ctxt) - ctxt->warn (new putenv_of_auto_var (fndecl, reg)); + ctxt->warn (make_unique (fndecl, reg)); break; } } diff --git a/gcc/analyzer/region-model-manager.cc b/gcc/analyzer/region-model-manager.cc index f5999e64d01..de01627bdb6 100644 --- a/gcc/analyzer/region-model-manager.cc +++ b/gcc/analyzer/region-model-manager.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/region-model-reachability.cc b/gcc/analyzer/region-model-reachability.cc index be1372c9e80..6d2711a0181 100644 --- a/gcc/analyzer/region-model-reachability.cc +++ b/gcc/analyzer/region-model-reachability.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/region-model.cc b/gcc/analyzer/region-model.cc index 81ef41edee4..10a96d28086 100644 --- a/gcc/analyzer/region-model.cc +++ b/gcc/analyzer/region-model.cc @@ -22,6 +22,7 @@ along with GCC; see the file COPYING3. If not see #define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -813,14 +814,17 @@ region_model::get_gassign_result (const gassign *assign, if (TREE_CODE (rhs2_cst) == INTEGER_CST) { if (tree_int_cst_sgn (rhs2_cst) < 0) - ctxt->warn (new shift_count_negative_diagnostic - (assign, rhs2_cst)); + ctxt->warn + (make_unique + (assign, rhs2_cst)); else if (compare_tree_int (rhs2_cst, TYPE_PRECISION (TREE_TYPE (rhs1))) >= 0) - ctxt->warn (new shift_count_overflow_diagnostic - (assign, TYPE_PRECISION (TREE_TYPE (rhs1)), - rhs2_cst)); + ctxt->warn + (make_unique + (assign, + int (TYPE_PRECISION (TREE_TYPE (rhs1))), + rhs2_cst)); } } @@ -1038,8 +1042,9 @@ region_model::check_for_poison (const svalue *sval, const region *src_region = NULL; if (pkind == POISON_KIND_UNINIT) src_region = get_region_for_poisoned_expr (expr); - if (ctxt->warn (new poisoned_value_diagnostic (diag_arg, pkind, - src_region))) + if (ctxt->warn (make_unique (diag_arg, + pkind, + src_region))) { /* We only want to report use of a poisoned value at the first place it gets used; return an unknown value to avoid generating @@ -1228,7 +1233,7 @@ region_model::on_stmt_pre (const gimple *stmt, { /* Handle the builtin "__analyzer_dump_path" by queuing a diagnostic at this exploded_node. */ - ctxt->warn (new dump_path_diagnostic ()); + ctxt->warn (make_unique ()); } else if (is_special_named_call_p (call, "__analyzer_dump_region_model", 0)) @@ -1784,16 +1789,18 @@ void region_model::check_symbolic_bounds (const region *base_reg, gcc_unreachable (); break; case DIR_READ: - ctxt->warn (new symbolic_buffer_overread (base_reg, diag_arg, - offset_tree, - num_bytes_tree, - capacity_tree)); + ctxt->warn (make_unique (base_reg, + diag_arg, + offset_tree, + num_bytes_tree, + capacity_tree)); break; case DIR_WRITE: - ctxt->warn (new symbolic_buffer_overflow (base_reg, diag_arg, - offset_tree, - num_bytes_tree, - capacity_tree)); + ctxt->warn (make_unique (base_reg, + diag_arg, + offset_tree, + num_bytes_tree, + capacity_tree)); break; } } @@ -1884,10 +1891,10 @@ region_model::check_region_bounds (const region *reg, gcc_unreachable (); break; case DIR_READ: - ctxt->warn (new buffer_underread (reg, diag_arg, out)); + ctxt->warn (make_unique (reg, diag_arg, out)); break; case DIR_WRITE: - ctxt->warn (new buffer_underflow (reg, diag_arg, out)); + ctxt->warn (make_unique (reg, diag_arg, out)); break; } } @@ -1912,10 +1919,12 @@ region_model::check_region_bounds (const region *reg, gcc_unreachable (); break; case DIR_READ: - ctxt->warn (new buffer_overread (reg, diag_arg, out, byte_bound)); + ctxt->warn (make_unique (reg, diag_arg, + out, byte_bound)); break; case DIR_WRITE: - ctxt->warn (new buffer_overflow (reg, diag_arg, out, byte_bound)); + ctxt->warn (make_unique (reg, diag_arg, + out, byte_bound)); break; } } @@ -2537,9 +2546,10 @@ check_external_function_for_access_attr (const gcall *call, m_access (access) { } - pending_note *make_note () final override + std::unique_ptr make_note () final override { - return new reason_attr_access (m_callee_fndecl, m_access); + return make_unique + (m_callee_fndecl, m_access); } private: tree m_callee_fndecl; @@ -3347,7 +3357,8 @@ region_model::deref_rvalue (const svalue *ptr_sval, tree ptr_tree, const poisoned_svalue *poisoned_sval = as_a (ptr_sval); enum poison_kind pkind = poisoned_sval->get_poison_kind (); - ctxt->warn (new poisoned_value_diagnostic (ptr, pkind, NULL)); + ctxt->warn (make_unique + (ptr, pkind, NULL)); } } } @@ -3504,14 +3515,16 @@ region_model::check_for_writable_region (const region* dest_reg, { const function_region *func_reg = as_a (base_reg); tree fndecl = func_reg->get_fndecl (); - ctxt->warn (new write_to_const_diagnostic (func_reg, fndecl)); + ctxt->warn (make_unique + (func_reg, fndecl)); } break; case RK_LABEL: { const label_region *label_reg = as_a (base_reg); tree label = label_reg->get_label (); - ctxt->warn (new write_to_const_diagnostic (label_reg, label)); + ctxt->warn (make_unique + (label_reg, label)); } break; case RK_DECL: @@ -3524,11 +3537,11 @@ region_model::check_for_writable_region (const region* dest_reg, "this" param is "T* const"). */ if (TREE_READONLY (decl) && is_global_var (decl)) - ctxt->warn (new write_to_const_diagnostic (dest_reg, decl)); + ctxt->warn (make_unique (dest_reg, decl)); } break; case RK_STRING: - ctxt->warn (new write_to_string_literal_diagnostic (dest_reg)); + ctxt->warn (make_unique (dest_reg)); break; } } @@ -4004,8 +4017,8 @@ region_model::check_region_size (const region *lhs_reg, const svalue *rhs_sval, if (TREE_CODE (cst_cap) == INTEGER_CST && !capacity_compatible_with_type (cst_cap, pointee_size_tree, is_struct)) - ctxt->warn (new dubious_allocation_size (lhs_reg, rhs_reg, - cst_cap)); + ctxt->warn (make_unique (lhs_reg, rhs_reg, + cst_cap)); } break; default: @@ -4016,8 +4029,9 @@ region_model::check_region_size (const region *lhs_reg, const svalue *rhs_sval, if (!v.get_result ()) { tree expr = get_representative_tree (capacity); - ctxt->warn (new dubious_allocation_size (lhs_reg, rhs_reg, - expr)); + ctxt->warn (make_unique (lhs_reg, + rhs_reg, + expr)); } } break; @@ -5730,7 +5744,7 @@ region_model::check_dynamic_size_for_floats (const svalue *size_in_bytes, if (const svalue *float_sval = v.get_svalue_to_report ()) { tree diag_arg = get_representative_tree (float_sval); - ctxt->warn (new float_as_size_arg (diag_arg)); + ctxt->warn (make_unique (diag_arg)); } } @@ -6353,17 +6367,16 @@ region_model::maybe_complain_about_infoleak (const region *dst_reg, { /* Check for exposure. */ if (contains_uninit_p (copied_sval)) - ctxt->warn (new exposure_through_uninit_copy (src_reg, - dst_reg, - copied_sval)); + ctxt->warn (make_unique (src_reg, + dst_reg, + copied_sval)); } /* class noop_region_model_context : public region_model_context. */ void -noop_region_model_context::add_note (pending_note *pn) +noop_region_model_context::add_note (std::unique_ptr) { - delete pn; } void diff --git a/gcc/analyzer/region-model.h b/gcc/analyzer/region-model.h index 635a0c27330..3c355c3d7ec 100644 --- a/gcc/analyzer/region-model.h +++ b/gcc/analyzer/region-model.h @@ -31,6 +31,7 @@ along with GCC; see the file COPYING3. If not see #include "analyzer/region.h" #include "analyzer/known-function-manager.h" #include "analyzer/region-model-manager.h" +#include "analyzer/pending-diagnostic.h" using namespace ana; @@ -664,11 +665,11 @@ class region_model_context public: /* Hook for clients to store pending diagnostics. Return true if the diagnostic was stored, or false if it was deleted. */ - virtual bool warn (pending_diagnostic *d) = 0; + virtual bool warn (std::unique_ptr d) = 0; - /* Hook for clients to add a note to the last previously stored pending diagnostic. - Takes ownership of the pending_node (or deletes it). */ - virtual void add_note (pending_note *pn) = 0; + /* Hook for clients to add a note to the last previously stored + pending diagnostic. */ + virtual void add_note (std::unique_ptr pn) = 0; /* Hook for clients to be notified when an SVAL that was reachable in a previous state is no longer live, so that clients can emit warnings @@ -749,8 +750,8 @@ class region_model_context class noop_region_model_context : public region_model_context { public: - bool warn (pending_diagnostic *) override { return false; } - void add_note (pending_note *pn) override; + bool warn (std::unique_ptr) override { return false; } + void add_note (std::unique_ptr) override; void on_svalue_leak (const svalue *) override {} void on_liveness_change (const svalue_set &, const region_model *) override {} @@ -827,14 +828,14 @@ private: class region_model_context_decorator : public region_model_context { public: - bool warn (pending_diagnostic *d) override + bool warn (std::unique_ptr d) override { - return m_inner->warn (d); + return m_inner->warn (std::move (d)); } - void add_note (pending_note *pn) override + void add_note (std::unique_ptr pn) override { - m_inner->add_note (pn); + m_inner->add_note (std::move (pn)); } void on_svalue_leak (const svalue *sval) override @@ -947,9 +948,9 @@ protected: class note_adding_context : public region_model_context_decorator { public: - bool warn (pending_diagnostic *d) override + bool warn (std::unique_ptr d) override { - if (m_inner->warn (d)) + if (m_inner->warn (std::move (d))) { add_note (make_note ()); return true; @@ -959,7 +960,7 @@ public: } /* Hook to make the new note. */ - virtual pending_note *make_note () = 0; + virtual std::unique_ptr make_note () = 0; protected: note_adding_context (region_model_context *inner) @@ -1102,9 +1103,9 @@ using namespace ::selftest; class test_region_model_context : public noop_region_model_context { public: - bool warn (pending_diagnostic *d) final override + bool warn (std::unique_ptr d) final override { - m_diagnostics.safe_push (d); + m_diagnostics.safe_push (d.release ()); return true; } diff --git a/gcc/analyzer/region.cc b/gcc/analyzer/region.cc index da5a13ec0be..4bc191848a4 100644 --- a/gcc/analyzer/region.cc +++ b/gcc/analyzer/region.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/sm-fd.cc b/gcc/analyzer/sm-fd.cc index c4ad91cfeb2..eae1b77229f 100644 --- a/gcc/analyzer/sm-fd.cc +++ b/gcc/analyzer/sm-fd.cc @@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -109,7 +111,7 @@ public: const svalue *rhs) const final override; bool can_purge_p (state_t s) const final override; - pending_diagnostic *on_leak (tree var) const final override; + std::unique_ptr on_leak (tree var) const final override; bool is_unchecked_fd_p (state_t s) const; bool is_valid_fd_p (state_t s) const; @@ -864,9 +866,10 @@ fd_state_machine::check_for_fd_attrs ( { sm_ctxt->warn (node, stmt, arg, - new fd_use_after_close (*this, diag_arg, - callee_fndecl, attr_name, - arg_idx)); + make_unique + (*this, diag_arg, + callee_fndecl, attr_name, + arg_idx)); continue; } @@ -874,9 +877,10 @@ fd_state_machine::check_for_fd_attrs ( { if (!is_constant_fd_p (state)) sm_ctxt->warn (node, stmt, arg, - new fd_use_without_check (*this, diag_arg, - callee_fndecl, attr_name, - arg_idx)); + make_unique + (*this, diag_arg, + callee_fndecl, attr_name, + arg_idx)); } switch (fd_attr_access_dir) @@ -889,8 +893,11 @@ fd_state_machine::check_for_fd_attrs ( { sm_ctxt->warn ( node, stmt, arg, - new fd_access_mode_mismatch (*this, diag_arg, DIRS_WRITE, - callee_fndecl, attr_name, arg_idx)); + make_unique (*this, diag_arg, + DIRS_WRITE, + callee_fndecl, + attr_name, + arg_idx)); } break; @@ -900,8 +907,11 @@ fd_state_machine::check_for_fd_attrs ( { sm_ctxt->warn ( node, stmt, arg, - new fd_access_mode_mismatch (*this, diag_arg, DIRS_READ, - callee_fndecl, attr_name, arg_idx)); + make_unique (*this, diag_arg, + DIRS_READ, + callee_fndecl, + attr_name, + arg_idx)); } break; @@ -942,7 +952,8 @@ fd_state_machine::on_open (sm_context *sm_ctxt, const supernode *node, } else { - sm_ctxt->warn (node, stmt, NULL_TREE, new fd_leak (*this, NULL_TREE)); + sm_ctxt->warn (node, stmt, NULL_TREE, + make_unique (*this, NULL_TREE)); } } @@ -954,7 +965,8 @@ fd_state_machine::on_creat (sm_context *sm_ctxt, const supernode *node, if (lhs) sm_ctxt->on_transition (node, stmt, lhs, m_start, m_unchecked_write_only); else - sm_ctxt->warn (node, stmt, NULL_TREE, new fd_leak (*this, NULL_TREE)); + sm_ctxt->warn (node, stmt, NULL_TREE, + make_unique (*this, NULL_TREE)); } void @@ -1000,7 +1012,8 @@ fd_state_machine::check_for_dup (sm_context *sm_ctxt, const supernode *node, { sm_ctxt->warn ( node, stmt, arg_2, - new fd_use_without_check (*this, diag_arg_2, callee_fndecl)); + make_unique (*this, diag_arg_2, + callee_fndecl)); return; } /* dup2 returns value of its second argument on success.But, the @@ -1038,7 +1051,8 @@ fd_state_machine::on_close (sm_context *sm_ctxt, const supernode *node, if (is_closed_fd_p (state)) { - sm_ctxt->warn (node, stmt, arg, new fd_double_close (*this, diag_arg)); + sm_ctxt->warn (node, stmt, arg, + make_unique (*this, diag_arg)); sm_ctxt->set_next_state (stmt, arg, m_stop); } } @@ -1070,7 +1084,8 @@ fd_state_machine::check_for_open_fd ( if (is_closed_fd_p (state)) { sm_ctxt->warn (node, stmt, arg, - new fd_use_after_close (*this, diag_arg, callee_fndecl)); + make_unique (*this, diag_arg, + callee_fndecl)); } else @@ -1080,7 +1095,8 @@ fd_state_machine::check_for_open_fd ( if (!is_constant_fd_p (state)) sm_ctxt->warn ( node, stmt, arg, - new fd_use_without_check (*this, diag_arg, callee_fndecl)); + make_unique (*this, diag_arg, + callee_fndecl)); } switch (callee_fndecl_dir) { @@ -1091,7 +1107,7 @@ fd_state_machine::check_for_open_fd ( { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new fd_access_mode_mismatch ( + make_unique ( *this, diag_arg, DIRS_WRITE, callee_fndecl)); } @@ -1102,7 +1118,7 @@ fd_state_machine::check_for_open_fd ( { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new fd_access_mode_mismatch ( + make_unique ( *this, diag_arg, DIRS_READ, callee_fndecl)); } break; @@ -1174,10 +1190,10 @@ fd_state_machine::can_purge_p (state_t s) const return true; } -pending_diagnostic * +std::unique_ptr fd_state_machine::on_leak (tree var) const { - return new fd_leak (*this, var); + return make_unique (*this, var); } } // namespace diff --git a/gcc/analyzer/sm-file.cc b/gcc/analyzer/sm-file.cc index 13f2507f7c7..cbd17887e93 100644 --- a/gcc/analyzer/sm-file.cc +++ b/gcc/analyzer/sm-file.cc @@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -79,7 +81,7 @@ public: const svalue *rhs) const final override; bool can_purge_p (state_t s) const final override; - pending_diagnostic *on_leak (tree var) const final override; + std::unique_ptr on_leak (tree var) const final override; /* State for a FILE * returned from fopen that hasn't been checked for NULL. @@ -404,7 +406,7 @@ fileptr_state_machine::on_stmt (sm_context *sm_ctxt, { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new double_fclose (*this, diag_arg)); + make_unique (*this, diag_arg)); sm_ctxt->set_next_state (stmt, arg, m_stop); } return true; @@ -471,10 +473,10 @@ fileptr_state_machine::can_purge_p (state_t s) const fileptr_state_machine, for complaining about leaks of FILE * in state 'unchecked' and 'nonnull'. */ -pending_diagnostic * +std::unique_ptr fileptr_state_machine::on_leak (tree var) const { - return new file_leak (*this, var); + return make_unique (*this, var); } } // anonymous namespace diff --git a/gcc/analyzer/sm-malloc.cc b/gcc/analyzer/sm-malloc.cc index fef6e63e1d7..d050ef83eeb 100644 --- a/gcc/analyzer/sm-malloc.cc +++ b/gcc/analyzer/sm-malloc.cc @@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -383,7 +385,7 @@ public: const svalue *rhs) const final override; bool can_purge_p (state_t s) const final override; - pending_diagnostic *on_leak (tree var) const final override; + std::unique_ptr on_leak (tree var) const final override; bool reset_when_passed_to_unknown_fn_p (state_t s, bool is_mutable) const final override; @@ -1726,9 +1728,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt, { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new possible_null_arg (*this, diag_arg, - callee_fndecl, - i)); + make_unique + (*this, diag_arg, callee_fndecl, i)); const allocation_state *astate = as_a_allocation_state (state); sm_ctxt->set_next_state (stmt, arg, @@ -1738,8 +1739,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt, { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new null_arg (*this, diag_arg, - callee_fndecl, i)); + make_unique + (*this, diag_arg, callee_fndecl, i)); sm_ctxt->set_next_state (stmt, arg, m_stop); } } @@ -1781,7 +1782,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt, { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new possible_null_deref (*this, diag_arg)); + make_unique (*this, + diag_arg)); const allocation_state *astate = as_a_allocation_state (state); sm_ctxt->set_next_state (stmt, arg, astate->get_nonnull ()); } @@ -1789,7 +1791,7 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt, { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new null_deref (*this, diag_arg)); + make_unique (*this, diag_arg)); sm_ctxt->set_next_state (stmt, arg, m_stop); } else if (freed_p (state)) @@ -1797,8 +1799,8 @@ malloc_state_machine::on_stmt (sm_context *sm_ctxt, tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); const allocation_state *astate = as_a_allocation_state (state); sm_ctxt->warn (node, stmt, arg, - new use_after_free (*this, diag_arg, - astate->m_deallocator)); + make_unique + (*this, diag_arg, astate->m_deallocator)); sm_ctxt->set_next_state (stmt, arg, m_stop); } } @@ -1850,8 +1852,8 @@ malloc_state_machine::handle_free_of_non_heap (sm_context *sm_ctxt, freed_reg = old_model->deref_rvalue (ptr_sval, arg, NULL); } sm_ctxt->warn (node, call, arg, - new free_of_non_heap (*this, diag_arg, freed_reg, - d->m_name)); + make_unique + (*this, diag_arg, freed_reg, d->m_name)); sm_ctxt->set_next_state (call, arg, m_stop); } @@ -1879,11 +1881,11 @@ malloc_state_machine::on_deallocator_call (sm_context *sm_ctxt, { /* Wrong allocator. */ tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); - pending_diagnostic *pd - = new mismatching_deallocation (*this, diag_arg, - astate->m_deallocators, - d); - sm_ctxt->warn (node, call, arg, pd); + sm_ctxt->warn (node, call, arg, + make_unique + (*this, diag_arg, + astate->m_deallocators, + d)); } sm_ctxt->set_next_state (call, arg, d->m_freed); } @@ -1895,7 +1897,7 @@ malloc_state_machine::on_deallocator_call (sm_context *sm_ctxt, /* freed -> stop, with warning. */ tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, call, arg, - new double_free (*this, diag_arg, d->m_name)); + make_unique (*this, diag_arg, d->m_name)); sm_ctxt->set_next_state (call, arg, m_stop); } else if (state == m_non_heap) @@ -1933,11 +1935,10 @@ malloc_state_machine::on_realloc_call (sm_context *sm_ctxt, { /* Wrong allocator. */ tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); - pending_diagnostic *pd - = new mismatching_deallocation (*this, diag_arg, - astate->m_deallocators, - d); - sm_ctxt->warn (node, call, arg, pd); + sm_ctxt->warn (node, call, arg, + make_unique + (*this, diag_arg, + astate->m_deallocators, d)); sm_ctxt->set_next_state (call, arg, m_stop); if (path_context *path_ctxt = sm_ctxt->get_path_context ()) path_ctxt->terminate_path (); @@ -1948,7 +1949,7 @@ malloc_state_machine::on_realloc_call (sm_context *sm_ctxt, /* freed -> stop, with warning. */ tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, call, arg, - new double_free (*this, diag_arg, "free")); + make_unique (*this, diag_arg, "free")); sm_ctxt->set_next_state (call, arg, m_stop); if (path_context *path_ctxt = sm_ctxt->get_path_context ()) path_ctxt->terminate_path (); @@ -2030,10 +2031,10 @@ malloc_state_machine::can_purge_p (state_t s) const (for complaining about leaks of pointers in state 'unchecked' and 'nonnull'). */ -pending_diagnostic * +std::unique_ptr malloc_state_machine::on_leak (tree var) const { - return new malloc_leak (*this, var); + return make_unique (*this, var); } /* Implementation of state_machine::reset_when_passed_to_unknown_fn_p vfunc diff --git a/gcc/analyzer/sm-pattern-test.cc b/gcc/analyzer/sm-pattern-test.cc index 3208132882e..704f628f5b7 100644 --- a/gcc/analyzer/sm-pattern-test.cc +++ b/gcc/analyzer/sm-pattern-test.cc @@ -21,8 +21,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -139,8 +141,8 @@ pattern_test_state_machine::on_condition (sm_context *sm_ctxt, if (tree lhs_expr = sm_ctxt->get_diagnostic_tree (lhs)) { - pending_diagnostic *diag = new pattern_match (lhs_expr, op, rhs_cst); - sm_ctxt->warn (node, stmt, lhs_expr, diag); + sm_ctxt->warn (node, stmt, lhs_expr, + make_unique (lhs_expr, op, rhs_cst)); } } diff --git a/gcc/analyzer/sm-sensitive.cc b/gcc/analyzer/sm-sensitive.cc index cb5f8595b1f..d19765fc4a9 100644 --- a/gcc/analyzer/sm-sensitive.cc +++ b/gcc/analyzer/sm-sensitive.cc @@ -20,8 +20,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -181,7 +183,8 @@ sensitive_state_machine::warn_for_any_exposure (sm_context *sm_ctxt, { tree diag_arg = sm_ctxt->get_diagnostic_tree (arg); sm_ctxt->warn (node, stmt, arg, - new exposure_through_output_file (*this, diag_arg)); + make_unique (*this, + diag_arg)); } } diff --git a/gcc/analyzer/sm-signal.cc b/gcc/analyzer/sm-signal.cc index e3b08c38b30..737ec4a8ad5 100644 --- a/gcc/analyzer/sm-signal.cc +++ b/gcc/analyzer/sm-signal.cc @@ -21,8 +21,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -351,8 +353,8 @@ signal_state_machine::on_stmt (sm_context *sm_ctxt, if (signal_unsafe_p (callee_fndecl)) if (sm_ctxt->get_global_state () == m_in_signal_handler) sm_ctxt->warn (node, stmt, NULL_TREE, - new signal_unsafe_call (*this, call, - callee_fndecl)); + make_unique + (*this, call, callee_fndecl)); } return false; diff --git a/gcc/analyzer/sm-taint.cc b/gcc/analyzer/sm-taint.cc index bc27533256f..d4ee6c435b8 100644 --- a/gcc/analyzer/sm-taint.cc +++ b/gcc/analyzer/sm-taint.cc @@ -21,8 +21,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -1163,10 +1165,11 @@ taint_state_machine::check_for_tainted_size_arg (sm_context *sm_ctxt, TREE_STRING_POINTER (access->to_external_string ()); tree diag_size = sm_ctxt->get_diagnostic_tree (size_arg); sm_ctxt->warn (node, call, size_arg, - new tainted_access_attrib_size (*this, diag_size, b, - callee_fndecl, - access->sizarg, - access_str)); + make_unique + (*this, diag_size, b, + callee_fndecl, + access->sizarg, + access_str)); } } } @@ -1201,7 +1204,7 @@ taint_state_machine::check_for_tainted_divisor (sm_context *sm_ctxt, tree diag_divisor = sm_ctxt->get_diagnostic_tree (divisor_expr); sm_ctxt->warn (node, assign, divisor_expr, - new tainted_divisor (*this, diag_divisor, b)); + make_unique (*this, diag_divisor, b)); sm_ctxt->set_next_state (assign, divisor_sval, m_stop); } } @@ -1264,7 +1267,7 @@ region_model::check_region_for_taint (const region *reg, if (taint_sm.get_taint (state, index->get_type (), &b)) { tree arg = get_representative_tree (index); - ctxt->warn (new tainted_array_index (taint_sm, arg, b)); + ctxt->warn (make_unique (taint_sm, arg, b)); } } break; @@ -1286,7 +1289,7 @@ region_model::check_region_for_taint (const region *reg, if (taint_sm.get_taint (state, effective_type, &b)) { tree arg = get_representative_tree (offset); - ctxt->warn (new tainted_offset (taint_sm, arg, b)); + ctxt->warn (make_unique (taint_sm, arg, b)); } } break; @@ -1311,7 +1314,7 @@ region_model::check_region_for_taint (const region *reg, if (taint_sm.get_taint (state, size_sval->get_type (), &b)) { tree arg = get_representative_tree (size_sval); - ctxt->warn (new tainted_size (taint_sm, arg, b)); + ctxt->warn (make_unique (taint_sm, arg, b)); } } break; @@ -1357,7 +1360,8 @@ region_model::check_dynamic_size_for_taint (enum memory_space mem_space, if (taint_sm.get_taint (state, size_in_bytes->get_type (), &b)) { tree arg = get_representative_tree (size_in_bytes); - ctxt->warn (new tainted_allocation_size (taint_sm, arg, b, mem_space)); + ctxt->warn (make_unique + (taint_sm, arg, b, mem_space)); } } diff --git a/gcc/analyzer/sm.cc b/gcc/analyzer/sm.cc index 1ab4c21fa1d..1f329cb11d0 100644 --- a/gcc/analyzer/sm.cc +++ b/gcc/analyzer/sm.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" @@ -39,6 +40,7 @@ along with GCC; see the file COPYING3. If not see #include "analyzer/store.h" #include "analyzer/svalue.h" #include "analyzer/program-state.h" +#include "analyzer/pending-diagnostic.h" #if ENABLE_ANALYZER @@ -121,6 +123,14 @@ state_machine::get_state_by_name (const char *name) const gcc_unreachable (); } +/* Base implementation of state_machine::on_leak. */ + +std::unique_ptr +state_machine::on_leak (tree var ATTRIBUTE_UNUSED) const +{ + return NULL; +} + /* Dump a multiline representation of this state machine to PP. */ void diff --git a/gcc/analyzer/sm.h b/gcc/analyzer/sm.h index 87ab11cc962..0171474e4b9 100644 --- a/gcc/analyzer/sm.h +++ b/gcc/analyzer/sm.h @@ -123,10 +123,8 @@ public: virtual bool can_purge_p (state_t s) const = 0; /* Called when VAR leaks (and !can_purge_p). */ - virtual pending_diagnostic *on_leak (tree var ATTRIBUTE_UNUSED) const - { - return NULL; - } + virtual std::unique_ptr + on_leak (tree var ATTRIBUTE_UNUSED) const; /* Return true if S should be reset to "start" for values passed (or reachable from) calls to unknown functions. IS_MUTABLE is true for pointers as @@ -250,9 +248,11 @@ public: /* Called by state_machine in response to pattern matches: issue a diagnostic D using NODE and STMT for location information. */ virtual void warn (const supernode *node, const gimple *stmt, - tree var, pending_diagnostic *d) = 0; + tree var, + std::unique_ptr d) = 0; virtual void warn (const supernode *node, const gimple *stmt, - const svalue *var, pending_diagnostic *d) = 0; + const svalue *var, + std::unique_ptr d) = 0; /* For use when generating trees when creating pending_diagnostics, so that rather than e.g. diff --git a/gcc/analyzer/state-purge.cc b/gcc/analyzer/state-purge.cc index d3f516a671c..6fac18a2bbc 100644 --- a/gcc/analyzer/state-purge.cc +++ b/gcc/analyzer/state-purge.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/store.cc b/gcc/analyzer/store.cc index 2631ea25559..c0f5ed104e1 100644 --- a/gcc/analyzer/store.cc +++ b/gcc/analyzer/store.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/svalue.cc b/gcc/analyzer/svalue.cc index 4b00a81b31d..aa03b049724 100644 --- a/gcc/analyzer/svalue.cc +++ b/gcc/analyzer/svalue.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/trimmed-graph.cc b/gcc/analyzer/trimmed-graph.cc index 9fdb4a9e240..9a42248e6fa 100644 --- a/gcc/analyzer/trimmed-graph.cc +++ b/gcc/analyzer/trimmed-graph.cc @@ -19,6 +19,7 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" #include "tree.h" diff --git a/gcc/analyzer/varargs.cc b/gcc/analyzer/varargs.cc index b2e6cd53c06..a4b7ed5cd10 100644 --- a/gcc/analyzer/varargs.cc +++ b/gcc/analyzer/varargs.cc @@ -19,8 +19,10 @@ along with GCC; see the file COPYING3. If not see . */ #include "config.h" +#define INCLUDE_MEMORY #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "tree.h" #include "function.h" #include "basic-block.h" @@ -206,7 +208,7 @@ public: { return s != m_started; } - pending_diagnostic *on_leak (tree var) const final override; + std::unique_ptr on_leak (tree var) const final override; /* State for a va_list that the result of a va_start or va_copy. */ state_t m_started; @@ -547,8 +549,8 @@ va_list_state_machine::check_for_ended_va_list (sm_context *sm_ctxt, { if (sm_ctxt->get_state (call, arg) == m_ended) sm_ctxt->warn (node, call, arg, - new va_list_use_after_va_end (*this, arg, NULL_TREE, - usage_fnname)); + make_unique + (*this, arg, NULL_TREE, usage_fnname)); } /* Get the svalue with associated va_list_state_machine state for a @@ -623,10 +625,10 @@ va_list_state_machine::on_va_end (sm_context *sm_ctxt, /* Implementation of state_machine::on_leak vfunc for va_list_state_machine (for complaining about leaks of values in state 'started'). */ -pending_diagnostic * +std::unique_ptr va_list_state_machine::on_leak (tree var) const { - return new va_list_leak (*this, NULL, var); + return make_unique (*this, NULL, var); } } // anonymous namespace @@ -994,17 +996,19 @@ region_model::impl_call_va_arg (const call_details &cd) else { if (ctxt) - ctxt->warn (new va_arg_type_mismatch (va_list_tree, - arg_reg, - lhs_type, - arg_type)); + ctxt->warn (make_unique + (va_list_tree, + arg_reg, + lhs_type, + arg_type)); saw_problem = true; } } else { if (ctxt) - ctxt->warn (new va_list_exhausted (va_list_tree, arg_reg)); + ctxt->warn (make_unique (va_list_tree, + arg_reg)); saw_problem = true; } } diff --git a/gcc/testsuite/gcc.dg/plugin/analyzer_gil_plugin.c b/gcc/testsuite/gcc.dg/plugin/analyzer_gil_plugin.c index 2a8bf11b3e9..cf0baa5670d 100644 --- a/gcc/testsuite/gcc.dg/plugin/analyzer_gil_plugin.c +++ b/gcc/testsuite/gcc.dg/plugin/analyzer_gil_plugin.c @@ -4,10 +4,12 @@ */ /* { dg-options "-g" } */ +#define INCLUDE_MEMORY #include "gcc-plugin.h" #include "config.h" #include "system.h" #include "coretypes.h" +#include "make-unique.h" #include "diagnostic.h" #include "tree.h" #include "gimple.h" @@ -309,9 +311,9 @@ gil_state_machine::check_for_pyobject_in_call (sm_context *sm_ctxt, if (type_based_on_pyobject_p (type)) { sm_ctxt->warn (node, call, NULL_TREE, - new fncall_without_gil (*this, call, - callee_fndecl, - i)); + make_unique (*this, call, + callee_fndecl, + i)); sm_ctxt->set_global_state (m_stop); } } @@ -337,7 +339,7 @@ gil_state_machine::on_stmt (sm_context *sm_ctxt, if (global_state == m_released_gil) { sm_ctxt->warn (node, stmt, NULL_TREE, - new double_save_thread (*this, call)); + make_unique (*this, call)); sm_ctxt->set_global_state (m_stop); } else @@ -393,7 +395,7 @@ gil_state_machine::check_for_pyobject_usage_without_gil (sm_context *sm_ctxt, if (type_based_on_pyobject_p (type)) { sm_ctxt->warn (node, stmt, NULL_TREE, - new pyobject_usage_without_gil (*this, op)); + make_unique (*this, op)); sm_ctxt->set_global_state (m_stop); } } diff --git a/gcc/testsuite/gcc.dg/plugin/analyzer_kernel_plugin.c b/gcc/testsuite/gcc.dg/plugin/analyzer_kernel_plugin.c index 6ec08bff73c..d1c29132e67 100644 --- a/gcc/testsuite/gcc.dg/plugin/analyzer_kernel_plugin.c +++ b/gcc/testsuite/gcc.dg/plugin/analyzer_kernel_plugin.c @@ -1,6 +1,7 @@ /* Proof-of-concept of a -fanalyzer plugin for the Linux kernel. */ /* { dg-options "-g" } */ +#define INCLUDE_MEMORY #include "gcc-plugin.h" #include "config.h" #include "system.h" diff --git a/gcc/testsuite/gcc.dg/plugin/analyzer_known_fns_plugin.c b/gcc/testsuite/gcc.dg/plugin/analyzer_known_fns_plugin.c index 060a3082fd6..ccf69ed8338 100644 --- a/gcc/testsuite/gcc.dg/plugin/analyzer_known_fns_plugin.c +++ b/gcc/testsuite/gcc.dg/plugin/analyzer_known_fns_plugin.c @@ -1,6 +1,7 @@ /* Proof-of-concept of a -fanalyzer plugin to handle known functions. */ /* { dg-options "-g" } */ +#define INCLUDE_MEMORY #include "gcc-plugin.h" #include "config.h" #include "system.h"