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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
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4
linux-user/ppc/signal.c
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@ -486,7 +486,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
int i, err = 0;
#if defined(TARGET_PPC64)
struct target_sigcontext *sc = 0;
struct image_info *image = ((TaskState *)thread_cpu->opaque)->info;
struct image_info *image = get_task_state(thread_cpu)->info;
#endif
rt_sf_addr = get_sigframe(ka, env, sizeof(*rt_sf));
@ -673,7 +673,7 @@ abi_long do_swapcontext(CPUArchState *env, abi_ulong uold_ctx,
}
if (uold_ctx) {
TaskState *ts = (TaskState *)thread_cpu->opaque;
TaskState *ts = get_task_state(thread_cpu);
if (!lock_user_struct(VERIFY_WRITE, uctx, uold_ctx, 1)) {
return -TARGET_EFAULT;