From f84e313e0278222eb88b9ca29311f0df71abd001 Mon Sep 17 00:00:00 2001 From: Gustavo Romero Date: Sat, 9 Mar 2024 03:08:59 +0000 Subject: gdbstub: Save target's siginfo MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Save target's siginfo into gdbserver_state so it can be used later, for example, in any stub that requires the target's si_signo and si_code. This change affects only linux-user mode. Signed-off-by: Gustavo Romero Suggested-by: Richard Henderson Message-Id: <20240309030901.1726211-4-gustavo.romero@linaro.org> Signed-off-by: Alex Bennée Reviewed-by: Richard Henderson --- linux-user/signal.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'linux-user/signal.c') diff --git a/linux-user/signal.c b/linux-user/signal.c index 2db4d12ef6..a93148a4cb 100644 --- a/linux-user/signal.c +++ b/linux-user/signal.c @@ -34,6 +34,9 @@ #include "user/safe-syscall.h" #include "tcg/tcg.h" +/* target_siginfo_t must fit in gdbstub's siginfo save area. */ +QEMU_BUILD_BUG_ON(sizeof(target_siginfo_t) > MAX_SIGINFO_LENGTH); + static struct target_sigaction sigact_table[TARGET_NSIG]; static void host_signal_handler(int host_signum, siginfo_t *info, @@ -1184,7 +1187,7 @@ static void handle_pending_signal(CPUArchState *cpu_env, int sig, */ tswap_siginfo(&k->info, &k->info); - sig = gdb_handlesig(cpu, sig, NULL); + sig = gdb_handlesig(cpu, sig, NULL, &k->info, sizeof(k->info)); if (!sig) { sa = NULL; handler = TARGET_SIG_IGN; -- cgit 1.4.1