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[176.87.122.31]) by smtp.gmail.com with ESMTPSA id q124sm1776907wme.13.2019.11.06.03.33.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Nov 2019 03:33:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=LRaQpCgWP3gyA/5Ocmoh3fal+6bjZX/Jqe93fN58T0A=; b=T3Gj7WjwMpNDH46x5hjk7lq61GF8mq0urLyrU7tPVdwhAC7HnF+e4BZtM0AaC8j8IS tUoy+IiM7xvKW0jXFo+n1qsr4PWzXHTvobfFa0gJD68IrKqXC2YluIP/VQ3QY7oXdNqN YnelKroET5zMpSzArv/XNAl1mAcnBYsb6kHeFLysNZ0xqIf2B1MUr/lh42H2+RKDyTuG I9ftJUE57anqO24zt2t+EszVcFaltSH849+tX1CrJsb8+bxahDCfBNOKpua29t4bV6Tl WXaYiyb5od30sWNb+Y4B2QDhAiqtS00ZLtiJfKsqpl5Pf6xR/KZHANtQNHUEy0tqWOJS TEig== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=LRaQpCgWP3gyA/5Ocmoh3fal+6bjZX/Jqe93fN58T0A=; b=OJ/xpy7yjKSQRZVHeB5CEt7VkG/KdIcJ/550qkSza+wx+NvP8Lz+x7mXkEqimajII+ xOUNXT/oMWgHktWkiCBLb6cFP1nau3Xu19ya6pYH/4hwkiFAAciSpge+pZ/zIyOpsNtG EOecITL2M377TDPQMadjUtw9qFV79kbGG6QPCqxrln10NAxxyaECTl6i2Q7T4mYawDP+ ODZsNVQZTI8zfg0Gpp61kQ6VFAvuyYiu94dPBQI0kqDfTtpd8NB083asS8CB3o8fZqb3 HW+e8ZVBhM/XSCinuw0mHBNJJnQ8P/g8yVeqnpQuvnVDopsDxvRgFv9WpCVtCQvlG2uN MNVg== X-Gm-Message-State: APjAAAVpzcpBXOudRFoynAxUPTliIshXAB6E4ICirKaC6lFebT/pyvHE dSEzzhnjtvdh8xEIJoNX1QOxfh/8SVRtgQ== X-Google-Smtp-Source: APXvYqzarbvJPRVbybWaeuq+lTrk9W6sV6mYGB2Vz4hTqSdbwMz8XA9pWxdG7Li2BArkQf9c66s8yw== X-Received: by 2002:a5d:4a45:: with SMTP id v5mr2345961wrs.288.1573040016778; Wed, 06 Nov 2019 03:33:36 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 05/12] linux-user/sparc: Begin using WREG constants in sparc/signal.c Date: Wed, 6 Nov 2019 12:33:11 +0100 Message-Id: <20191106113318.10226-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191106113318.10226-1-richard.henderson@linaro.org> References: <20191106113318.10226-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::444 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: laurent@vivier.eu Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" This is non-obvious because the UREG constants are in fact wrong. s/UREG_I/WREG_O/g s/UREG_O/WREG_I/g s/UREG_L/WREG_L/g These substitutions have identical integer values. Signed-off-by: Richard Henderson Reviewed-by: Laurent Vivier Message-Id: <20191025113921.9412-6-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/sparc/signal.c | 93 ++++++++++++++------------------------- 1 file changed, 32 insertions(+), 61 deletions(-) diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c index ead169fbaa..aac37da239 100644 --- a/linux-user/sparc/signal.c +++ b/linux-user/sparc/signal.c @@ -104,19 +104,8 @@ struct target_rt_signal_frame { qemu_siginfo_fpu_t fpu_state; }; =20 -#define UREG_O0 16 -#define UREG_O6 22 -#define UREG_I0 0 -#define UREG_I1 1 -#define UREG_I2 2 -#define UREG_I3 3 -#define UREG_I4 4 -#define UREG_I5 5 -#define UREG_I6 6 -#define UREG_I7 7 -#define UREG_L0 8 -#define UREG_FP UREG_I6 -#define UREG_SP UREG_O6 +#define UREG_FP WREG_O6 +#define UREG_SP WREG_I6 =20 static inline abi_ulong get_sigframe(struct target_sigaction *sa,=20 CPUSPARCState *env, @@ -159,30 +148,12 @@ setup___siginfo(__siginfo_t *si, CPUSPARCState *env, = abi_ulong mask) __put_user(env->gregs[i], &si->si_regs.u_regs[i]); } for (i=3D0; i < 8; i++) { - __put_user(env->regwptr[UREG_I0 + i], &si->si_regs.u_regs[i+8]); + __put_user(env->regwptr[WREG_O0 + i], &si->si_regs.u_regs[i + 8]); } __put_user(mask, &si->si_mask); return err; } =20 -#if 0 -static int -setup_sigcontext(struct target_sigcontext *sc, /*struct _fpstate *fpstate,= */ - CPUSPARCState *env, unsigned long mask) -{ - int err =3D 0; - - __put_user(mask, &sc->sigc_mask); - __put_user(env->regwptr[UREG_SP], &sc->sigc_sp); - __put_user(env->pc, &sc->sigc_pc); - __put_user(env->npc, &sc->sigc_npc); - __put_user(env->psr, &sc->sigc_psr); - __put_user(env->gregs[1], &sc->sigc_g1); - __put_user(env->regwptr[UREG_O0], &sc->sigc_o0); - - return err; -} -#endif #define NF_ALIGNEDSZ (((sizeof(struct target_signal_frame) + 7) & (~7))) =20 void setup_frame(int sig, struct target_sigaction *ka, @@ -221,20 +192,20 @@ void setup_frame(int sig, struct target_sigaction *ka, } =20 for (i =3D 0; i < 8; i++) { - __put_user(env->regwptr[i + UREG_L0], &sf->ss.locals[i]); + __put_user(env->regwptr[i + WREG_L0], &sf->ss.locals[i]); } for (i =3D 0; i < 8; i++) { - __put_user(env->regwptr[i + UREG_I0], &sf->ss.ins[i]); + __put_user(env->regwptr[i + WREG_O0], &sf->ss.ins[i]); } if (err) goto sigsegv; =20 /* 3. signal handler back-trampoline and parameters */ env->regwptr[UREG_FP] =3D sf_addr; - env->regwptr[UREG_I0] =3D sig; - env->regwptr[UREG_I1] =3D sf_addr + + env->regwptr[WREG_O0] =3D sig; + env->regwptr[WREG_O1] =3D sf_addr + offsetof(struct target_signal_frame, info); - env->regwptr[UREG_I2] =3D sf_addr + + env->regwptr[WREG_O2] =3D sf_addr + offsetof(struct target_signal_frame, info); =20 /* 4. signal handler */ @@ -242,11 +213,11 @@ void setup_frame(int sig, struct target_sigaction *ka, env->npc =3D (env->pc + 4); /* 5. return to kernel instructions */ if (ka->ka_restorer) { - env->regwptr[UREG_I7] =3D ka->ka_restorer; + env->regwptr[WREG_O7] =3D ka->ka_restorer; } else { uint32_t val32; =20 - env->regwptr[UREG_I7] =3D sf_addr + + env->regwptr[WREG_O7] =3D sf_addr + offsetof(struct target_signal_frame, insns) - 2 * 4; =20 /* mov __NR_sigreturn, %g1 */ @@ -316,7 +287,7 @@ long do_sigreturn(CPUSPARCState *env) __get_user(env->gregs[i], &sf->info.si_regs.u_regs[i]); } for (i=3D0; i < 8; i++) { - __get_user(env->regwptr[i + UREG_I0], &sf->info.si_regs.u_regs[i+8= ]); + __get_user(env->regwptr[i + WREG_O0], &sf->info.si_regs.u_regs[i += 8]); } =20 /* FIXME: implement FPU save/restore: @@ -433,7 +404,7 @@ void sparc64_set_context(CPUSPARCState *env) abi_ulong fp, i7, w_addr; unsigned int i; =20 - ucp_addr =3D env->regwptr[UREG_I0]; + ucp_addr =3D env->regwptr[WREG_O0]; if (!lock_user_struct(VERIFY_READ, ucp, ucp_addr, 1)) { goto do_sigsegv; } @@ -443,7 +414,7 @@ void sparc64_set_context(CPUSPARCState *env) if ((pc | npc) & 3) { goto do_sigsegv; } - if (env->regwptr[UREG_I1]) { + if (env->regwptr[WREG_O1]) { target_sigset_t target_set; sigset_t set; =20 @@ -474,19 +445,19 @@ void sparc64_set_context(CPUSPARCState *env) __get_user(env->gregs[5], (&(*grp)[SPARC_MC_G5])); __get_user(env->gregs[6], (&(*grp)[SPARC_MC_G6])); __get_user(env->gregs[7], (&(*grp)[SPARC_MC_G7])); - __get_user(env->regwptr[UREG_I0], (&(*grp)[SPARC_MC_O0])); - __get_user(env->regwptr[UREG_I1], (&(*grp)[SPARC_MC_O1])); - __get_user(env->regwptr[UREG_I2], (&(*grp)[SPARC_MC_O2])); - __get_user(env->regwptr[UREG_I3], (&(*grp)[SPARC_MC_O3])); - __get_user(env->regwptr[UREG_I4], (&(*grp)[SPARC_MC_O4])); - __get_user(env->regwptr[UREG_I5], (&(*grp)[SPARC_MC_O5])); - __get_user(env->regwptr[UREG_I6], (&(*grp)[SPARC_MC_O6])); - __get_user(env->regwptr[UREG_I7], (&(*grp)[SPARC_MC_O7])); + __get_user(env->regwptr[WREG_O0], (&(*grp)[SPARC_MC_O0])); + __get_user(env->regwptr[WREG_O1], (&(*grp)[SPARC_MC_O1])); + __get_user(env->regwptr[WREG_O2], (&(*grp)[SPARC_MC_O2])); + __get_user(env->regwptr[WREG_O3], (&(*grp)[SPARC_MC_O3])); + __get_user(env->regwptr[WREG_O4], (&(*grp)[SPARC_MC_O4])); + __get_user(env->regwptr[WREG_O5], (&(*grp)[SPARC_MC_O5])); + __get_user(env->regwptr[WREG_O6], (&(*grp)[SPARC_MC_O6])); + __get_user(env->regwptr[WREG_O7], (&(*grp)[SPARC_MC_O7])); =20 __get_user(fp, &(ucp->tuc_mcontext.mc_fp)); __get_user(i7, &(ucp->tuc_mcontext.mc_i7)); =20 - w_addr =3D TARGET_STACK_BIAS+env->regwptr[UREG_I6]; + w_addr =3D TARGET_STACK_BIAS + env->regwptr[WREG_O6]; if (put_user(fp, w_addr + offsetof(struct target_reg_window, ins[6]), abi_ulong) !=3D 0) { goto do_sigsegv; @@ -534,7 +505,7 @@ void sparc64_get_context(CPUSPARCState *env) target_sigset_t target_set; sigset_t set; =20 - ucp_addr =3D env->regwptr[UREG_I0]; + ucp_addr =3D env->regwptr[WREG_O0]; if (!lock_user_struct(VERIFY_WRITE, ucp, ucp_addr, 0)) { goto do_sigsegv; } @@ -580,16 +551,16 @@ void sparc64_get_context(CPUSPARCState *env) __put_user(env->gregs[5], &((*grp)[SPARC_MC_G5])); __put_user(env->gregs[6], &((*grp)[SPARC_MC_G6])); __put_user(env->gregs[7], &((*grp)[SPARC_MC_G7])); - __put_user(env->regwptr[UREG_I0], &((*grp)[SPARC_MC_O0])); - __put_user(env->regwptr[UREG_I1], &((*grp)[SPARC_MC_O1])); - __put_user(env->regwptr[UREG_I2], &((*grp)[SPARC_MC_O2])); - __put_user(env->regwptr[UREG_I3], &((*grp)[SPARC_MC_O3])); - __put_user(env->regwptr[UREG_I4], &((*grp)[SPARC_MC_O4])); - __put_user(env->regwptr[UREG_I5], &((*grp)[SPARC_MC_O5])); - __put_user(env->regwptr[UREG_I6], &((*grp)[SPARC_MC_O6])); - __put_user(env->regwptr[UREG_I7], &((*grp)[SPARC_MC_O7])); + __put_user(env->regwptr[WREG_O0], &((*grp)[SPARC_MC_O0])); + __put_user(env->regwptr[WREG_O1], &((*grp)[SPARC_MC_O1])); + __put_user(env->regwptr[WREG_O2], &((*grp)[SPARC_MC_O2])); + __put_user(env->regwptr[WREG_O3], &((*grp)[SPARC_MC_O3])); + __put_user(env->regwptr[WREG_O4], &((*grp)[SPARC_MC_O4])); + __put_user(env->regwptr[WREG_O5], &((*grp)[SPARC_MC_O5])); + __put_user(env->regwptr[WREG_O6], &((*grp)[SPARC_MC_O6])); + __put_user(env->regwptr[WREG_O7], &((*grp)[SPARC_MC_O7])); =20 - w_addr =3D TARGET_STACK_BIAS+env->regwptr[UREG_I6]; + w_addr =3D TARGET_STACK_BIAS + env->regwptr[WREG_O6]; fp =3D i7 =3D 0; if (get_user(fp, w_addr + offsetof(struct target_reg_window, ins[6]), abi_ulong) !=3D 0) { --=20 2.17.1