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Thu, 09 Jan 2025 09:06:42 -0800 (PST) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: "Dr. David Alan Gilbert" , Pierrick Bouvier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Thomas Huth , Mahmoud Mandour , Alexandre Iooss , Richard Henderson , Paolo Bonzini , Laurent Vivier , =?UTF-8?q?Alex=20Benn=C3=A9e?= Subject: [PATCH 15/22] contrib/plugins/stoptrigger: fix 32-bit build Date: Thu, 9 Jan 2025 17:06:12 +0000 Message-Id: <20250109170619.2271193-16-alex.bennee@linaro.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250109170619.2271193-1-alex.bennee@linaro.org> References: <20250109170619.2271193-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::630; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x630.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1736442526106116600 From: Pierrick Bouvier Signed-off-by: Pierrick Bouvier Reviewed-by: Richard Henderson Message-Id: <20241217224306.2900490-6-pierrick.bouvier@linaro.org> Signed-off-by: Alex Benn=C3=A9e --- contrib/plugins/stoptrigger.c | 48 ++++++++++++++++++++--------------- 1 file changed, 27 insertions(+), 21 deletions(-) diff --git a/contrib/plugins/stoptrigger.c b/contrib/plugins/stoptrigger.c index 03ee22f4c6..b3a6ed66a7 100644 --- a/contrib/plugins/stoptrigger.c +++ b/contrib/plugins/stoptrigger.c @@ -21,9 +21,11 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_version =3D QEMU_PLUG= IN_VERSION; /* Scoreboard to track executed instructions count */ typedef struct { uint64_t insn_count; + uint64_t current_pc; } InstructionsCount; static struct qemu_plugin_scoreboard *insn_count_sb; static qemu_plugin_u64 insn_count; +static qemu_plugin_u64 current_pc; =20 static uint64_t icount; static int icount_exit_code; @@ -34,6 +36,11 @@ static bool exit_on_address; /* Map trigger addresses to exit code */ static GHashTable *addrs_ht; =20 +typedef struct { + uint64_t exit_addr; + int exit_code; +} ExitInfo; + static void exit_emulation(int return_code, char *message) { qemu_plugin_outs(message); @@ -43,23 +50,18 @@ static void exit_emulation(int return_code, char *messa= ge) =20 static void exit_icount_reached(unsigned int cpu_index, void *udata) { - uint64_t insn_vaddr =3D GPOINTER_TO_UINT(udata); + uint64_t insn_vaddr =3D qemu_plugin_u64_get(current_pc, cpu_index); char *msg =3D g_strdup_printf("icount reached at 0x%" PRIx64 ", exitin= g\n", insn_vaddr); - exit_emulation(icount_exit_code, msg); } =20 static void exit_address_reached(unsigned int cpu_index, void *udata) { - uint64_t insn_vaddr =3D GPOINTER_TO_UINT(udata); - char *msg =3D g_strdup_printf("0x%" PRIx64 " reached, exiting\n", insn= _vaddr); - int exit_code; - - exit_code =3D GPOINTER_TO_INT( - g_hash_table_lookup(addrs_ht, GUINT_TO_POINTER(insn_vaddr))); - - exit_emulation(exit_code, msg); + ExitInfo *ei =3D udata; + g_assert(ei); + char *msg =3D g_strdup_printf("0x%" PRIx64 " reached, exiting\n", ei->= exit_addr); + exit_emulation(ei->exit_code, msg); } =20 static void vcpu_tb_trans(qemu_plugin_id_t id, struct qemu_plugin_tb *tb) @@ -67,23 +69,25 @@ static void vcpu_tb_trans(qemu_plugin_id_t id, struct q= emu_plugin_tb *tb) size_t tb_n =3D qemu_plugin_tb_n_insns(tb); for (size_t i =3D 0; i < tb_n; i++) { struct qemu_plugin_insn *insn =3D qemu_plugin_tb_get_insn(tb, i); - gpointer insn_vaddr =3D GUINT_TO_POINTER(qemu_plugin_insn_vaddr(in= sn)); + uint64_t insn_vaddr =3D qemu_plugin_insn_vaddr(insn); =20 if (exit_on_icount) { /* Increment and check scoreboard for each instruction */ qemu_plugin_register_vcpu_insn_exec_inline_per_vcpu( insn, QEMU_PLUGIN_INLINE_ADD_U64, insn_count, 1); + qemu_plugin_register_vcpu_insn_exec_inline_per_vcpu( + insn, QEMU_PLUGIN_INLINE_STORE_U64, current_pc, insn_vaddr= ); qemu_plugin_register_vcpu_insn_exec_cond_cb( insn, exit_icount_reached, QEMU_PLUGIN_CB_NO_REGS, - QEMU_PLUGIN_COND_EQ, insn_count, icount + 1, insn_vaddr); + QEMU_PLUGIN_COND_EQ, insn_count, icount + 1, NULL); } =20 if (exit_on_address) { - if (g_hash_table_contains(addrs_ht, insn_vaddr)) { + ExitInfo *ei =3D g_hash_table_lookup(addrs_ht, &insn_vaddr); + if (ei) { /* Exit triggered by address */ qemu_plugin_register_vcpu_insn_exec_cb( - insn, exit_address_reached, QEMU_PLUGIN_CB_NO_REGS, - insn_vaddr); + insn, exit_address_reached, QEMU_PLUGIN_CB_NO_REGS, ei= ); } } } @@ -99,11 +103,13 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin= _id_t id, const qemu_info_t *info, int ar= gc, char **argv) { - addrs_ht =3D g_hash_table_new(NULL, g_direct_equal); + addrs_ht =3D g_hash_table_new_full(g_int64_hash, g_int64_equal, NULL, = g_free); =20 insn_count_sb =3D qemu_plugin_scoreboard_new(sizeof(InstructionsCount)= ); insn_count =3D qemu_plugin_scoreboard_u64_in_struct( insn_count_sb, InstructionsCount, insn_count); + current_pc =3D qemu_plugin_scoreboard_u64_in_struct( + insn_count_sb, InstructionsCount, current_pc); =20 for (int i =3D 0; i < argc; i++) { char *opt =3D argv[i]; @@ -124,13 +130,13 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugi= n_id_t id, exit_on_icount =3D true; } else if (g_strcmp0(tokens[0], "addr") =3D=3D 0) { g_auto(GStrv) addr_tokens =3D g_strsplit(tokens[1], ":", 2); - uint64_t exit_addr =3D g_ascii_strtoull(addr_tokens[0], NULL, = 0); - int exit_code =3D 0; + ExitInfo *ei =3D g_malloc(sizeof(ExitInfo)); + ei->exit_addr =3D g_ascii_strtoull(addr_tokens[0], NULL, 0); + ei->exit_code =3D 0; if (addr_tokens[1]) { - exit_code =3D g_ascii_strtoull(addr_tokens[1], NULL, 0); + ei->exit_code =3D g_ascii_strtoull(addr_tokens[1], NULL, 0= ); } - g_hash_table_insert(addrs_ht, GUINT_TO_POINTER(exit_addr), - GINT_TO_POINTER(exit_code)); + g_hash_table_insert(addrs_ht, &ei->exit_addr, ei); exit_on_address =3D true; } else { fprintf(stderr, "option parsing failed: %s\n", opt); --=20 2.39.5