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([71.212.142.129]) by smtp.gmail.com with ESMTPSA id p11-20020a17090ad30b00b001cd4989fed3sm1712383pju.31.2022.05.03.12.49.18 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 May 2022 12:49:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=FaPp6XMU7/QLI/fAkjMpx5RbKj4Bgtv2vep9zbLkpHY=; b=ax+W/n2d7bqc2OJ/9rHUUHWAnnHPgCuat4gaYC3uFZz4gyIbIefpFChRPjc+cn/iq4 +NOf5OYCzPoLy13KRrUWpKQAXtme8HLuHoaDp/P6STHUltJBKwhr2RSX6zmud0VTcphk np5cQSfidafO0Zi/r7qY8XzQJXeXbdpY2u0v9fbA5idupuNonaNpyCl2stmOhysa8cT6 TdOvjBbX5IlbH8heZR2OrHv1szC/uCZvKDlhoma8Ej9HO75EDgbJziklmyTHcYlAi2YC Pga5zDcFGIxincDa/D7fIPewW9UXdPlJKrCFAJtIV647qR61Qgr8Mdy9FMcd/pwerbdx +SDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=FaPp6XMU7/QLI/fAkjMpx5RbKj4Bgtv2vep9zbLkpHY=; b=7GSaNFIOqylN8Xv41tncnyongrg8KQ1+KijjS0YuVTT1k4mARsF8hIUy0h83g05kaQ P3EBhj2dFF2/K8Pwhe72nKO18nWMYZrmxRXrOnTH186lZWXprdsSEQ0kfdI8qKNONXvg QlRrHQCKrlhbJp6YwL1wsgAX1OSuyLjvLsOgBCU3HTxv/60rOQ5Rx/5Yoo6tM5wDP+pO wA0/pj2K0B9/s8CCtLoxn2kHJNcCvM+yM9JOUdYTFc7y8vFY6lMoegc63+r44S7j8J0W 3n77wlS85Hc5yjLmTx2TErtP8K8XgYsBuQABPockB1nVHebuYpN2yDIZ92wAjQpXfsYB dl3Q== X-Gm-Message-State: AOAM530mHs0T5QtzudKCpVbTamRVd8gmu9fTJOpLP9VQxSvSPMsRZF61 LmSvwhGW+kZKbb93EBpE07nHVkvrvAkGHA== X-Google-Smtp-Source: ABdhPJwu3SPRx9/aHsiSyp+si8ksIOhbRdBOHYdO6AszGdv1Vh3fr4Ux5sm5JgU5eSzy6nMOXHn53g== X-Received: by 2002:a17:902:c2cc:b0:15b:a4e6:f58c with SMTP id c12-20020a170902c2cc00b0015ba4e6f58cmr17825157pla.149.1651607359169; Tue, 03 May 2022 12:49:19 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v2 34/74] gdbstub: Widen gdb_syscall_complete_cb return value Date: Tue, 3 May 2022 12:48:03 -0700 Message-Id: <20220503194843.1379101-35-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220503194843.1379101-1-richard.henderson@linaro.org> References: <20220503194843.1379101-1-richard.henderson@linaro.org> MIME-Version: 1.0 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=2607:f8b0:4864:20::1029; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1029.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, T_SCC_BODY_TEXT_LINE=-0.01 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" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1651609952601100003 Content-Type: text/plain; charset="utf-8" Always pass a uint64_t. This resolves a FIXME in the m68k and nios2 semihosting that we've lost data. Signed-off-by: Richard Henderson --- include/exec/gdbstub.h | 3 +-- gdbstub.c | 7 ++++--- semihosting/arm-compat-semi.c | 9 ++++----- semihosting/console.c | 7 +++---- semihosting/syscalls.c | 2 +- target/m68k/m68k-semi.c | 10 +++------- target/nios2/nios2-semi.c | 8 +++----- 7 files changed, 19 insertions(+), 27 deletions(-) diff --git a/include/exec/gdbstub.h b/include/exec/gdbstub.h index 8e9cdcb1c1..63764a9766 100644 --- a/include/exec/gdbstub.h +++ b/include/exec/gdbstub.h @@ -77,8 +77,7 @@ struct gdb_timeval { #ifdef NEED_CPU_H #include "cpu.h" =20 -typedef void (*gdb_syscall_complete_cb)(CPUState *cpu, - target_ulong ret, target_ulong err= ); +typedef void (*gdb_syscall_complete_cb)(CPUState *cpu, uint64_t ret, int e= rr); =20 /** * gdb_do_syscall: diff --git a/gdbstub.c b/gdbstub.c index a3ff8702ce..5286253f8a 100644 --- a/gdbstub.c +++ b/gdbstub.c @@ -1870,11 +1870,12 @@ static void handle_read_all_regs(GArray *params, vo= id *user_ctx) static void handle_file_io(GArray *params, void *user_ctx) { if (params->len >=3D 1 && gdbserver_state.current_syscall_cb) { - target_ulong ret, err; + uint64_t ret; + int err; =20 - ret =3D (target_ulong)get_param(params, 0)->val_ull; + ret =3D get_param(params, 0)->val_ull; if (params->len >=3D 2) { - err =3D (target_ulong)get_param(params, 1)->val_ull; + err =3D get_param(params, 1)->val_ull; } else { err =3D 0; } diff --git a/semihosting/arm-compat-semi.c b/semihosting/arm-compat-semi.c index a7520d6f41..3ca8b6455c 100644 --- a/semihosting/arm-compat-semi.c +++ b/semihosting/arm-compat-semi.c @@ -217,7 +217,7 @@ static inline uint32_t get_swi_errno(CPUState *cs) #endif } =20 -static void common_semi_cb(CPUState *cs, target_ulong ret, target_ulong er= r) +static void common_semi_cb(CPUState *cs, uint64_t ret, int err) { if (err) { #ifdef CONFIG_USER_ONLY @@ -234,7 +234,7 @@ static void common_semi_cb(CPUState *cs, target_ulong r= et, target_ulong err) * SYS_READ and SYS_WRITE always return the number of bytes not read/writt= en. * There is no error condition, other than returning the original length. */ -static void common_semi_rw_cb(CPUState *cs, target_ulong ret, target_ulong= err) +static void common_semi_rw_cb(CPUState *cs, uint64_t ret, int err) { /* Recover the original length from the third argument. */ CPUArchState *env G_GNUC_UNUSED =3D cs->env_ptr; @@ -251,8 +251,7 @@ static void common_semi_rw_cb(CPUState *cs, target_ulon= g ret, target_ulong err) /* * SYS_SEEK returns 0 on success, not the resulting offset. */ -static void common_semi_seek_cb(CPUState *cs, target_ulong ret, - target_ulong err) +static void common_semi_seek_cb(CPUState *cs, uint64_t ret, int err) { if (!err) { ret =3D 0; @@ -273,7 +272,7 @@ static target_ulong common_semi_flen_buf(CPUState *cs) } =20 static void -common_semi_flen_fstat_cb(CPUState *cs, target_ulong ret, target_ulong err) +common_semi_flen_fstat_cb(CPUState *cs, uint64_t ret, int err) { if (!err) { /* The size is always stored in big-endian order, extract the valu= e. */ diff --git a/semihosting/console.c b/semihosting/console.c index ef6958d844..3dd0ac60e2 100644 --- a/semihosting/console.c +++ b/semihosting/console.c @@ -64,11 +64,10 @@ static GString *copy_user_string(CPUArchState *env, tar= get_ulong addr) return s; } =20 -static void semihosting_cb(CPUState *cs, target_ulong ret, target_ulong er= r) +static void semihosting_cb(CPUState *cs, uint64_t ret, int err) { - if (ret =3D=3D (target_ulong) -1) { - qemu_log("%s: gdb console output failed ("TARGET_FMT_ld")", - __func__, err); + if (err) { + qemu_log("%s: gdb console output failed (%d)", __func__, err); } } =20 diff --git a/semihosting/syscalls.c b/semihosting/syscalls.c index 269f750d98..4c934654cd 100644 --- a/semihosting/syscalls.c +++ b/semihosting/syscalls.c @@ -145,7 +145,7 @@ static int copy_stat_to_user(CPUState *cs, target_ulong= addr, =20 static gdb_syscall_complete_cb gdb_open_complete; =20 -static void gdb_open_cb(CPUState *cs, target_ulong ret, target_ulong err) +static void gdb_open_cb(CPUState *cs, uint64_t ret, int err) { if (!err) { int guestfd =3D alloc_guestfd(); diff --git a/target/m68k/m68k-semi.c b/target/m68k/m68k-semi.c index da0186f3ef..94deebf09e 100644 --- a/target/m68k/m68k-semi.c +++ b/target/m68k/m68k-semi.c @@ -93,7 +93,7 @@ static void translate_stat(CPUM68KState *env, target_ulon= g addr, struct stat *s) unlock_user(p, addr, sizeof(struct gdb_stat)); } =20 -static void m68k_semi_return_u32(CPUM68KState *env, uint32_t ret, uint32_t= err) +static void m68k_semi_return_u32(CPUM68KState *env, uint32_t ret, int err) { target_ulong args =3D env->dregs[1]; if (put_user_u32(ret, args) || @@ -108,7 +108,7 @@ static void m68k_semi_return_u32(CPUM68KState *env, uin= t32_t ret, uint32_t err) } } =20 -static void m68k_semi_return_u64(CPUM68KState *env, uint64_t ret, uint32_t= err) +static void m68k_semi_return_u64(CPUM68KState *env, uint64_t ret, int err) { target_ulong args =3D env->dregs[1]; if (put_user_u32(ret >> 32, args) || @@ -122,16 +122,12 @@ static void m68k_semi_return_u64(CPUM68KState *env, u= int64_t ret, uint32_t err) =20 static int m68k_semi_is_fseek; =20 -static void m68k_semi_cb(CPUState *cs, target_ulong ret, target_ulong err) +static void m68k_semi_cb(CPUState *cs, uint64_t ret, int err) { M68kCPU *cpu =3D M68K_CPU(cs); CPUM68KState *env =3D &cpu->env; =20 if (m68k_semi_is_fseek) { - /* - * FIXME: We've already lost the high bits of the fseek - * return value. - */ m68k_semi_return_u64(env, ret, err); m68k_semi_is_fseek =3D 0; } else { diff --git a/target/nios2/nios2-semi.c b/target/nios2/nios2-semi.c index 3e504a6c5f..4d02789d26 100644 --- a/target/nios2/nios2-semi.c +++ b/target/nios2/nios2-semi.c @@ -108,8 +108,7 @@ static bool translate_stat(CPUNios2State *env, target_u= long addr, return true; } =20 -static void nios2_semi_return_u32(CPUNios2State *env, uint32_t ret, - uint32_t err) +static void nios2_semi_return_u32(CPUNios2State *env, uint32_t ret, int er= r) { target_ulong args =3D env->regs[R_ARG1]; if (put_user_u32(ret, args) || @@ -124,8 +123,7 @@ static void nios2_semi_return_u32(CPUNios2State *env, u= int32_t ret, } } =20 -static void nios2_semi_return_u64(CPUNios2State *env, uint64_t ret, - uint32_t err) +static void nios2_semi_return_u64(CPUNios2State *env, uint64_t ret, int er= r) { target_ulong args =3D env->regs[R_ARG1]; if (put_user_u32(ret >> 32, args) || @@ -139,7 +137,7 @@ static void nios2_semi_return_u64(CPUNios2State *env, u= int64_t ret, =20 static int nios2_semi_is_lseek; =20 -static void nios2_semi_cb(CPUState *cs, target_ulong ret, target_ulong err) +static void nios2_semi_cb(CPUState *cs, uint64_t ret, int err) { Nios2CPU *cpu =3D NIOS2_CPU(cs); CPUNios2State *env =3D &cpu->env; --=20 2.34.1