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{linux,bsd}-user: Introduce get_task_state()

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A CPU's TaskState is stored in the CPUState's void *opaque field,
accessing which is somewhat awkward due to having to use a cast.
Introduce a wrapper and use it everywhere.

Suggested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240219141628.246823-3-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20240305121005.3528075-4-alex.bennee@linaro.org>
This commit is contained in:
Ilya Leoshkevich 2024-03-05 12:09:39 +00:00 • committed by Alex Bennée
parent 1ea96f1ded
commit e4e5cb4a54
25 changed files with 85 additions and 75 deletions
Download patch file Download diff file Expand all files Collapse all files

20
bsd-user/signal.c
View file

@ -319,7 +319,7 @@ void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info)
int block_signals(void)
{
TaskState *ts = (TaskState *)thread_cpu->opaque;
TaskState *ts = get_task_state(thread_cpu);
sigset_t set;
/*
@ -359,7 +359,7 @@ void dump_core_and_abort(int target_sig)
{
CPUState *cpu = thread_cpu;
CPUArchState *env = cpu_env(cpu);
TaskState *ts = cpu->opaque;
TaskState *ts = get_task_state(cpu);
int core_dumped = 0;
int host_sig;
struct sigaction act;
@ -421,7 +421,7 @@ void queue_signal(CPUArchState *env, int sig, int si_type,
target_siginfo_t *info)
{
CPUState *cpu = env_cpu(env);
TaskState *ts = cpu->opaque;
TaskState *ts = get_task_state(cpu);
trace_user_queue_signal(env, sig);
@ -476,7 +476,7 @@ void force_sig_fault(int sig, int code, abi_ulong addr)
static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
{
CPUState *cpu = thread_cpu;
TaskState *ts = cpu->opaque;
TaskState *ts = get_task_state(cpu);
target_siginfo_t tinfo;
ucontext_t *uc = puc;
struct emulated_sigtable *k;
@ -585,7 +585,7 @@ static void host_signal_handler(int host_sig, siginfo_t *info, void *puc)
/* compare to kern/kern_sig.c sys_sigaltstack() and kern_sigaltstack() */
abi_long do_sigaltstack(abi_ulong uss_addr, abi_ulong uoss_addr, abi_ulong sp)
{
TaskState *ts = (TaskState *)thread_cpu->opaque;
TaskState *ts = get_task_state(thread_cpu);
int ret;
target_stack_t oss;
@ -714,7 +714,7 @@ int do_sigaction(int sig, const struct target_sigaction *act,
static inline abi_ulong get_sigframe(struct target_sigaction *ka,
CPUArchState *env, size_t frame_size)
{
TaskState *ts = (TaskState *)thread_cpu->opaque;
TaskState *ts = get_task_state(thread_cpu);
abi_ulong sp;
/* Use default user stack */
@ -789,7 +789,7 @@ static int reset_signal_mask(target_ucontext_t *ucontext)
int i;
sigset_t blocked;
target_sigset_t target_set;
TaskState *ts = (TaskState *)thread_cpu->opaque;
TaskState *ts = get_task_state(thread_cpu);
for (i = 0; i < TARGET_NSIG_WORDS; i++) {
__get_user(target_set.__bits[i], &ucontext->uc_sigmask.__bits[i]);
@ -839,7 +839,7 @@ badframe:
void signal_init(void)
{
TaskState *ts = (TaskState *)thread_cpu->opaque;
TaskState *ts = get_task_state(thread_cpu);
struct sigaction act;
struct sigaction oact;
int i;
@ -878,7 +878,7 @@ static void handle_pending_signal(CPUArchState *env, int sig,
struct emulated_sigtable *k)
{
CPUState *cpu = env_cpu(env);
TaskState *ts = cpu->opaque;
TaskState *ts = get_task_state(cpu);
struct target_sigaction *sa;
int code;
sigset_t set;
@ -967,7 +967,7 @@ void process_pending_signals(CPUArchState *env)
int sig;
sigset_t *blocked_set, set;
struct emulated_sigtable *k;
TaskState *ts = cpu->opaque;
TaskState *ts = get_task_state(cpu);
while (qatomic_read(&ts->signal_pending)) {
sigfillset(&set);