linux-user: move hppa signal.c parts to hppa directory

No code change, only move code from signal.c to
hppa/signal.c, except adding includes and
exporting setup_rt_frame().

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20180424192635.6027-15-laurent@vivier.eu>

1 files changed, 0 insertions, 189 deletions

diff --git a/linux-user/signal.c b/linux-user/signal.c
index b42fe4ff93..58bbb7693c 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -3032,195 +3032,6 @@ sigsegv:
     return -TARGET_QEMU_ESIGRETURN;
 }
 
-#elif defined(TARGET_HPPA)
-
-struct target_sigcontext {
-    abi_ulong sc_flags;
-    abi_ulong sc_gr[32];
-    uint64_t sc_fr[32];
-    abi_ulong sc_iasq[2];
-    abi_ulong sc_iaoq[2];
-    abi_ulong sc_sar;
-};
-
-struct target_ucontext {
-    abi_uint tuc_flags;
-    abi_ulong tuc_link;
-    target_stack_t tuc_stack;
-    abi_uint pad[1];
-    struct target_sigcontext tuc_mcontext;
-    target_sigset_t tuc_sigmask;
-};
-
-struct target_rt_sigframe {
-    abi_uint tramp[9];
-    target_siginfo_t info;
-    struct target_ucontext uc;
-    /* hidden location of upper halves of pa2.0 64-bit gregs */
-};
-
-static void setup_sigcontext(struct target_sigcontext *sc, CPUArchState *env)
-{
-    int flags = 0;
-    int i;
-
-    /* ??? if on_sig_stack, flags |= 1 (PARISC_SC_FLAG_ONSTACK).  */
-
-    if (env->iaoq_f < TARGET_PAGE_SIZE) {
-        /* In the gateway page, executing a syscall.  */
-        flags |= 2; /* PARISC_SC_FLAG_IN_SYSCALL */
-        __put_user(env->gr[31], &sc->sc_iaoq[0]);
-        __put_user(env->gr[31] + 4, &sc->sc_iaoq[1]);
-    } else {
-        __put_user(env->iaoq_f, &sc->sc_iaoq[0]);
-        __put_user(env->iaoq_b, &sc->sc_iaoq[1]);
-    }
-    __put_user(0, &sc->sc_iasq[0]);
-    __put_user(0, &sc->sc_iasq[1]);
-    __put_user(flags, &sc->sc_flags);
-
-    __put_user(cpu_hppa_get_psw(env), &sc->sc_gr[0]);
-    for (i = 1; i < 32; ++i) {
-        __put_user(env->gr[i], &sc->sc_gr[i]);
-    }
-
-    __put_user((uint64_t)env->fr0_shadow << 32, &sc->sc_fr[0]);
-    for (i = 1; i < 32; ++i) {
-        __put_user(env->fr[i], &sc->sc_fr[i]);
-    }
-
-    __put_user(env->cr[CR_SAR], &sc->sc_sar);
-}
-
-static void restore_sigcontext(CPUArchState *env, struct target_sigcontext *sc)
-{
-    target_ulong psw;
-    int i;
-
-    __get_user(psw, &sc->sc_gr[0]);
-    cpu_hppa_put_psw(env, psw);
-
-    for (i = 1; i < 32; ++i) {
-        __get_user(env->gr[i], &sc->sc_gr[i]);
-    }
-    for (i = 0; i < 32; ++i) {
-        __get_user(env->fr[i], &sc->sc_fr[i]);
-    }
-    cpu_hppa_loaded_fr0(env);
-
-    __get_user(env->iaoq_f, &sc->sc_iaoq[0]);
-    __get_user(env->iaoq_b, &sc->sc_iaoq[1]);
-    __get_user(env->cr[CR_SAR], &sc->sc_sar);
-}
-
-/* No, this doesn't look right, but it's copied straight from the kernel.  */
-#define PARISC_RT_SIGFRAME_SIZE32 \
-    ((sizeof(struct target_rt_sigframe) + 48 + 64) & -64)
-
-static void setup_rt_frame(int sig, struct target_sigaction *ka,
-                           target_siginfo_t *info,
-                           target_sigset_t *set, CPUArchState *env)
-{
-    abi_ulong frame_addr, sp, haddr;
-    struct target_rt_sigframe *frame;
-    int i;
-
-    sp = env->gr[30];
-    if (ka->sa_flags & TARGET_SA_ONSTACK) {
-        if (sas_ss_flags(sp) == 0) {
-            sp = (target_sigaltstack_used.ss_sp + 0x7f) & ~0x3f;
-        }
-    }
-    frame_addr = QEMU_ALIGN_UP(sp, 64);
-    sp = frame_addr + PARISC_RT_SIGFRAME_SIZE32;
-
-    trace_user_setup_rt_frame(env, frame_addr);
-
-    if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {
-        goto give_sigsegv;
-    }
-
-    tswap_siginfo(&frame->info, info);
-    frame->uc.tuc_flags = 0;
-    frame->uc.tuc_link = 0;
-
-    __put_user(target_sigaltstack_used.ss_sp, &frame->uc.tuc_stack.ss_sp);
-    __put_user(sas_ss_flags(get_sp_from_cpustate(env)),
-               &frame->uc.tuc_stack.ss_flags);
-    __put_user(target_sigaltstack_used.ss_size,
-               &frame->uc.tuc_stack.ss_size);
-
-    for (i = 0; i < TARGET_NSIG_WORDS; i++) {
-        __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
-    }
-
-    setup_sigcontext(&frame->uc.tuc_mcontext, env);
-
-    __put_user(0x34190000, frame->tramp + 0); /* ldi 0,%r25 */
-    __put_user(0x3414015a, frame->tramp + 1); /* ldi __NR_rt_sigreturn,%r20 */
-    __put_user(0xe4008200, frame->tramp + 2); /* be,l 0x100(%sr2,%r0) */
-    __put_user(0x08000240, frame->tramp + 3); /* nop */
-
-    unlock_user_struct(frame, frame_addr, 1);
-
-    env->gr[2] = h2g(frame->tramp);
-    env->gr[30] = sp;
-    env->gr[26] = sig;
-    env->gr[25] = h2g(&frame->info);
-    env->gr[24] = h2g(&frame->uc);
-
-    haddr = ka->_sa_handler;
-    if (haddr & 2) {
-        /* Function descriptor.  */
-        target_ulong *fdesc, dest;
-
-        haddr &= -4;
-        if (!lock_user_struct(VERIFY_READ, fdesc, haddr, 1)) {
-            goto give_sigsegv;
-        }
-        __get_user(dest, fdesc);
-        __get_user(env->gr[19], fdesc + 1);
-        unlock_user_struct(fdesc, haddr, 1);
-        haddr = dest;
-    }
-    env->iaoq_f = haddr;
-    env->iaoq_b = haddr + 4;
-    return;
-
- give_sigsegv:
-    force_sigsegv(sig);
-}
-
-long do_rt_sigreturn(CPUArchState *env)
-{
-    abi_ulong frame_addr = env->gr[30] - PARISC_RT_SIGFRAME_SIZE32;
-    struct target_rt_sigframe *frame;
-    sigset_t set;
-
-    trace_user_do_rt_sigreturn(env, frame_addr);
-    if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {
-        goto badframe;
-    }
-    target_to_host_sigset(&set, &frame->uc.tuc_sigmask);
-    set_sigmask(&set);
-
-    restore_sigcontext(env, &frame->uc.tuc_mcontext);
-    unlock_user_struct(frame, frame_addr, 0);
-
-    if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe,
-                                             uc.tuc_stack),
-                       0, env->gr[30]) == -EFAULT) {
-        goto badframe;
-    }
-
-    unlock_user_struct(frame, frame_addr, 0);
-    return -TARGET_QEMU_ESIGRETURN;
-
- badframe:
-    force_sig(TARGET_SIGSEGV);
-    return -TARGET_QEMU_ESIGRETURN;
-}
-
 #elif defined(TARGET_XTENSA)
 
 struct target_sigcontext {