[PULL,4/8] linux-user: Move tswap_siginfo out of target code

Message ID	20240312112532.1558319-5-alex.bennee@linaro.org
State	New
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of qemu-devel-bounces+patch=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; From: =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org> To: qemu-devel@nongnu.org Cc: Gustavo Romero <gustavo.romero@linaro.org>, Richard Henderson <richard.henderson@linaro.org>, =?utf-8?q?Alex_Benn=C3=A9?= =?utf-8?q?e?= <alex.bennee@linaro.org>, Laurent Vivier <laurent@vivier.eu>, Brian Cain <bcain@quicinc.com> Subject: [PULL 4/8] linux-user: Move tswap_siginfo out of target code Date: Tue, 12 Mar 2024 11:25:28 +0000 Message-Id: <20240312112532.1558319-5-alex.bennee@linaro.org> In-Reply-To: <20240312112532.1558319-1-alex.bennee@linaro.org> References: <20240312112532.1558319-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::332; envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x332.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 Precedence: list Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org
Series	[PULL,1/8] gitlab: aggressively avoid extra GIT data \| expand [PULL,1/8] gitlab: aggressively avoid extra GIT data [PULL,2/8] tests/vm: ensure we build everything by default [PULL,3/8] gdbstub: Rename back gdb_handlesig [PULL,4/8] linux-user: Move tswap_siginfo out of target code [PULL,5/8] gdbstub: Save target's siginfo [PULL,6/8] gdbstub: Add Xfer:siginfo:read stub [PULL,7/8] tests/tcg: Add multiarch test for Xfer:siginfo:read stub [PULL,8/8] gdbstub: Fix double close() of the follow-fork-mode socket

diff --git a/linux-user/signal-common.h b/linux-user/signal-common.h index a7df12fc44..f4cbe6185e 100644 --- a/linux-user/signal-common.h +++ b/linux-user/signal-common.h @@ -43,8 +43,6 @@ void host_to_target_sigset_internal(target_sigset_t *d, const sigset_t *s); void target_to_host_sigset_internal(sigset_t *d, const target_sigset_t *s); -void tswap_siginfo(target_siginfo_t *tinfo, - const target_siginfo_t *info); void set_sigmask(const sigset_t *set); void force_sig(int sig); void force_sigsegv(int oldsig); diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c index a1e22d526d..bc7a13800d 100644 --- a/linux-user/aarch64/signal.c +++ b/linux-user/aarch64/signal.c @@ -670,7 +670,7 @@ static void target_setup_frame(int usig, struct target_sigaction *ka, aarch64_set_svcr(env, 0, R_SVCR_SM_MASK | R_SVCR_ZA_MASK); if (info) { - tswap_siginfo(&frame->info, info); + frame->info = *info; env->xregs[1] = frame_addr + offsetof(struct target_rt_sigframe, info); env->xregs[2] = frame_addr + offsetof(struct target_rt_sigframe, uc); } diff --git a/linux-user/alpha/signal.c b/linux-user/alpha/signal.c index 4ec42994d4..896c2c148a 100644 --- a/linux-user/alpha/signal.c +++ b/linux-user/alpha/signal.c @@ -173,7 +173,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, goto give_sigsegv; } - tswap_siginfo(&frame->info, info); + frame->info = *info; __put_user(0, &frame->uc.tuc_flags); __put_user(0, &frame->uc.tuc_link); diff --git a/linux-user/arm/signal.c b/linux-user/arm/signal.c index 59806335f5..8db1c4b233 100644 --- a/linux-user/arm/signal.c +++ b/linux-user/arm/signal.c @@ -357,7 +357,7 @@ void setup_rt_frame(int usig, struct target_sigaction *ka, info_addr = frame_addr + offsetof(struct rt_sigframe, info); uc_addr = frame_addr + offsetof(struct rt_sigframe, sig.uc); - tswap_siginfo(&frame->info, info); + frame->info = *info; setup_sigframe(&frame->sig.uc, set, env); diff --git a/linux-user/hexagon/signal.c b/linux-user/hexagon/signal.c index 60fa7e1bce..492b51f155 100644 --- a/linux-user/hexagon/signal.c +++ b/linux-user/hexagon/signal.c @@ -162,7 +162,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, } setup_ucontext(&frame->uc, env, set); - tswap_siginfo(&frame->info, info); + frame->info = *info; /* * The on-stack signal trampoline is no longer executed; * however, the libgcc signal frame unwinding code checks diff --git a/linux-user/hppa/signal.c b/linux-user/hppa/signal.c index c84557e906..682ba25922 100644 --- a/linux-user/hppa/signal.c +++ b/linux-user/hppa/signal.c @@ -127,7 +127,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, goto give_sigsegv; } - tswap_siginfo(&frame->info, info); + frame->info = *info; frame->uc.tuc_flags = 0; frame->uc.tuc_link = 0; diff --git a/linux-user/i386/signal.c b/linux-user/i386/signal.c index bc5d45302e..cfe70fc5cf 100644 --- a/linux-user/i386/signal.c +++ b/linux-user/i386/signal.c @@ -430,7 +430,7 @@ void setup_frame(int sig, struct target_sigaction *ka, setup_sigcontext(&frame->sc, &frame->fpstate, env, set->sig[0], frame_addr + offsetof(struct sigframe, fpstate)); - for(i = 1; i < TARGET_NSIG_WORDS; i++) { + for (i = 1; i < TARGET_NSIG_WORDS; i++) { __put_user(set->sig[i], &frame->extramask[i - 1]); } @@ -490,7 +490,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, __put_user(addr, &frame->puc); #endif if (ka->sa_flags & TARGET_SA_SIGINFO) { - tswap_siginfo(&frame->info, info); + frame->info = *info; } /* Create the ucontext. */ @@ -504,7 +504,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, setup_sigcontext(&frame->uc.tuc_mcontext, &frame->fpstate, env, set->sig[0], frame_addr + offsetof(struct rt_sigframe, fpstate)); - for(i = 0; i < TARGET_NSIG_WORDS; i++) { + for (i = 0; i < TARGET_NSIG_WORDS; i++) { __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]); } diff --git a/linux-user/loongarch64/signal.c b/linux-user/loongarch64/signal.c index 39ea82c814..1a322f9697 100644 --- a/linux-user/loongarch64/signal.c +++ b/linux-user/loongarch64/signal.c @@ -376,7 +376,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, extctx.end.haddr = (void *)frame + (extctx.end.gaddr - frame_addr); } - tswap_siginfo(&frame->rs_info, info); + frame->rs_info = *info; __put_user(0, &frame->rs_uc.tuc_flags); __put_user(0, &frame->rs_uc.tuc_link); diff --git a/linux-user/m68k/signal.c b/linux-user/m68k/signal.c index 5f35354487..77555781aa 100644 --- a/linux-user/m68k/signal.c +++ b/linux-user/m68k/signal.c @@ -295,7 +295,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, uc_addr = frame_addr + offsetof(struct target_rt_sigframe, uc); __put_user(uc_addr, &frame->puc); - tswap_siginfo(&frame->info, info); + frame->info = *info; /* Create the ucontext */ @@ -307,7 +307,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, if (err) goto give_sigsegv; - for(i = 0; i < TARGET_NSIG_WORDS; i++) { + for (i = 0; i < TARGET_NSIG_WORDS; i++) { __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]); } diff --git a/linux-user/microblaze/signal.c b/linux-user/microblaze/signal.c index 5188d74025..f6d47d76ff 100644 --- a/linux-user/microblaze/signal.c +++ b/linux-user/microblaze/signal.c @@ -147,7 +147,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, return; } - tswap_siginfo(&frame->info, info); + frame->info = *info; __put_user(0, &frame->uc.tuc_flags); __put_user(0, &frame->uc.tuc_link); diff --git a/linux-user/mips/signal.c b/linux-user/mips/signal.c index 58a9d7a8a3..d69a5d73dd 100644 --- a/linux-user/mips/signal.c +++ b/linux-user/mips/signal.c @@ -303,7 +303,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, goto give_sigsegv; } - tswap_siginfo(&frame->rs_info, info); + frame->rs_info = *info; __put_user(0, &frame->rs_uc.tuc_flags); __put_user(0, &frame->rs_uc.tuc_link); @@ -311,7 +311,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, setup_sigcontext(env, &frame->rs_uc.tuc_mcontext); - for(i = 0; i < TARGET_NSIG_WORDS; i++) { + for (i = 0; i < TARGET_NSIG_WORDS; i++) { __put_user(set->sig[i], &frame->rs_uc.tuc_sigmask.sig[i]); } diff --git a/linux-user/nios2/signal.c b/linux-user/nios2/signal.c index 32b3dc99c6..64c345f409 100644 --- a/linux-user/nios2/signal.c +++ b/linux-user/nios2/signal.c @@ -157,7 +157,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, return; } - tswap_siginfo(&frame->info, info); + frame->info = *info; /* Create the ucontext. */ __put_user(0, &frame->uc.tuc_flags); diff --git a/linux-user/openrisc/signal.c b/linux-user/openrisc/signal.c index be8b68784a..cb74a9fe5e 100644 --- a/linux-user/openrisc/signal.c +++ b/linux-user/openrisc/signal.c @@ -103,7 +103,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, } if (ka->sa_flags & SA_SIGINFO) { - tswap_siginfo(&frame->info, info); + frame->info = *info; } __put_user(0, &frame->uc.tuc_flags); diff --git a/linux-user/ppc/signal.c b/linux-user/ppc/signal.c index c232424c1e..652038a53c 100644 --- a/linux-user/ppc/signal.c +++ b/linux-user/ppc/signal.c @@ -493,7 +493,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, if (!lock_user_struct(VERIFY_WRITE, rt_sf, rt_sf_addr, 1)) goto sigsegv; - tswap_siginfo(&rt_sf->info, info); + rt_sf->info = *info; __put_user(0, &rt_sf->uc.tuc_flags); __put_user(0, &rt_sf->uc.tuc_link); @@ -502,7 +502,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, __put_user(h2g (&rt_sf->uc.tuc_mcontext), &rt_sf->uc.tuc_regs); #endif - for(i = 0; i < TARGET_NSIG_WORDS; i++) { + for (i = 0; i < TARGET_NSIG_WORDS; i++) { __put_user(set->sig[i], &rt_sf->uc.tuc_sigmask.sig[i]); } diff --git a/linux-user/riscv/signal.c b/linux-user/riscv/signal.c index 941eadce87..358fa1d82d 100644 --- a/linux-user/riscv/signal.c +++ b/linux-user/riscv/signal.c @@ -125,7 +125,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, } setup_ucontext(&frame->uc, env, set); - tswap_siginfo(&frame->info, info); + frame->info = *info; env->pc = ka->_sa_handler; env->gpr[xSP] = frame_addr; diff --git a/linux-user/s390x/signal.c b/linux-user/s390x/signal.c index b40f738a70..df49c24708 100644 --- a/linux-user/s390x/signal.c +++ b/linux-user/s390x/signal.c @@ -267,7 +267,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, } /* Create siginfo on the signal stack. */ - tswap_siginfo(&frame->info, info); + frame->info = *info; /* Create ucontext on the signal stack. */ uc_flags = 0; diff --git a/linux-user/sh4/signal.c b/linux-user/sh4/signal.c index c16c2c2d57..9ecc026fae 100644 --- a/linux-user/sh4/signal.c +++ b/linux-user/sh4/signal.c @@ -233,7 +233,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, goto give_sigsegv; } - tswap_siginfo(&frame->info, info); + frame->info = *info; /* Create the ucontext. */ __put_user(0, &frame->uc.tuc_flags); diff --git a/linux-user/signal.c b/linux-user/signal.c index bca44c295d..c769675e68 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -409,8 +409,8 @@ static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo, tinfo->si_code = deposit32(si_code, 16, 16, si_type); } -void tswap_siginfo(target_siginfo_t *tinfo, - const target_siginfo_t *info) +static void tswap_siginfo(target_siginfo_t *tinfo, + const target_siginfo_t *info) { int si_type = extract32(info->si_code, 16, 16); int si_code = sextract32(info->si_code, 0, 16); @@ -1180,6 +1180,12 @@ static void handle_pending_signal(CPUArchState *cpu_env, int sig, /* dequeue signal */ k->pending = 0; + /* + * Writes out siginfo values byteswapped, accordingly to the target. It also + * cleans the si_type from si_code making it correct for the target. + */ + tswap_siginfo(&k->info, &k->info); + sig = gdb_handlesig(cpu, sig, NULL); if (!sig) { sa = NULL; diff --git a/linux-user/sparc/signal.c b/linux-user/sparc/signal.c index c2dc1000e2..f164b74032 100644 --- a/linux-user/sparc/signal.c +++ b/linux-user/sparc/signal.c @@ -333,7 +333,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, __put_user(0, &sf->rwin_save); /* TODO: save_rwin_state */ - tswap_siginfo(&sf->info, info); + sf->info = *info; tswap_sigset(&sf->mask, set); target_save_altstack(&sf->stack, env); diff --git a/linux-user/xtensa/signal.c b/linux-user/xtensa/signal.c index 003208a916..6514b8dd57 100644 --- a/linux-user/xtensa/signal.c +++ b/linux-user/xtensa/signal.c @@ -184,7 +184,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, } if (ka->sa_flags & SA_SIGINFO) { - tswap_siginfo(&frame->info, info); + frame->info = *info; } __put_user(0, &frame->uc.tuc_flags);

[PULL,4/8] linux-user: Move tswap_siginfo out of target code

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