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gdbstub: Save target's siginfo

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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 <gustavo.romero@linaro.org>
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240309030901.1726211-4-gustavo.romero@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Gustavo Romero 2024-03-09 03:08:59 +00:00 • committed by Alex Bennée
parent 4d6d8a05a0
commit f84e313e02
6 changed files with 34 additions and 9 deletions
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5
bsd-user/signal.c
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@ -27,6 +27,9 @@
#include "hw/core/tcg-cpu-ops.h"
#include "host-signal.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_sig, siginfo_t *info, void *puc);
static void target_to_host_sigset_internal(sigset_t *d,
@ -889,7 +892,7 @@ static void handle_pending_signal(CPUArchState *env, int sig,
k->pending = 0;
sig = gdb_handlesig(cpu, sig);
sig = gdb_handlesig(cpu, sig, NULL, &k->info, sizeof(k->info));
if (!sig) {
sa = NULL;
handler = TARGET_SIG_IGN;