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-rw-r--r--linux-user/signal.c259
1 files changed, 0 insertions, 259 deletions
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 16b1caad8b..7c2a963e7c 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -3032,265 +3032,6 @@ sigsegv:
return -TARGET_QEMU_ESIGRETURN;
}
-#elif defined(TARGET_ALPHA)
-
-struct target_sigcontext {
- abi_long sc_onstack;
- abi_long sc_mask;
- abi_long sc_pc;
- abi_long sc_ps;
- abi_long sc_regs[32];
- abi_long sc_ownedfp;
- abi_long sc_fpregs[32];
- abi_ulong sc_fpcr;
- abi_ulong sc_fp_control;
- abi_ulong sc_reserved1;
- abi_ulong sc_reserved2;
- abi_ulong sc_ssize;
- abi_ulong sc_sbase;
- abi_ulong sc_traparg_a0;
- abi_ulong sc_traparg_a1;
- abi_ulong sc_traparg_a2;
- abi_ulong sc_fp_trap_pc;
- abi_ulong sc_fp_trigger_sum;
- abi_ulong sc_fp_trigger_inst;
-};
-
-struct target_ucontext {
- abi_ulong tuc_flags;
- abi_ulong tuc_link;
- abi_ulong tuc_osf_sigmask;
- target_stack_t tuc_stack;
- struct target_sigcontext tuc_mcontext;
- target_sigset_t tuc_sigmask;
-};
-
-struct target_sigframe {
- struct target_sigcontext sc;
- unsigned int retcode[3];
-};
-
-struct target_rt_sigframe {
- target_siginfo_t info;
- struct target_ucontext uc;
- unsigned int retcode[3];
-};
-
-#define INSN_MOV_R30_R16 0x47fe0410
-#define INSN_LDI_R0 0x201f0000
-#define INSN_CALLSYS 0x00000083
-
-static void setup_sigcontext(struct target_sigcontext *sc, CPUAlphaState *env,
- abi_ulong frame_addr, target_sigset_t *set)
-{
- int i;
-
- __put_user(on_sig_stack(frame_addr), &sc->sc_onstack);
- __put_user(set->sig[0], &sc->sc_mask);
- __put_user(env->pc, &sc->sc_pc);
- __put_user(8, &sc->sc_ps);
-
- for (i = 0; i < 31; ++i) {
- __put_user(env->ir[i], &sc->sc_regs[i]);
- }
- __put_user(0, &sc->sc_regs[31]);
-
- for (i = 0; i < 31; ++i) {
- __put_user(env->fir[i], &sc->sc_fpregs[i]);
- }
- __put_user(0, &sc->sc_fpregs[31]);
- __put_user(cpu_alpha_load_fpcr(env), &sc->sc_fpcr);
-
- __put_user(0, &sc->sc_traparg_a0); /* FIXME */
- __put_user(0, &sc->sc_traparg_a1); /* FIXME */
- __put_user(0, &sc->sc_traparg_a2); /* FIXME */
-}
-
-static void restore_sigcontext(CPUAlphaState *env,
- struct target_sigcontext *sc)
-{
- uint64_t fpcr;
- int i;
-
- __get_user(env->pc, &sc->sc_pc);
-
- for (i = 0; i < 31; ++i) {
- __get_user(env->ir[i], &sc->sc_regs[i]);
- }
- for (i = 0; i < 31; ++i) {
- __get_user(env->fir[i], &sc->sc_fpregs[i]);
- }
-
- __get_user(fpcr, &sc->sc_fpcr);
- cpu_alpha_store_fpcr(env, fpcr);
-}
-
-static inline abi_ulong get_sigframe(struct target_sigaction *sa,
- CPUAlphaState *env,
- unsigned long framesize)
-{
- abi_ulong sp = env->ir[IR_SP];
-
- /* This is the X/Open sanctioned signal stack switching. */
- if ((sa->sa_flags & TARGET_SA_ONSTACK) != 0 && !sas_ss_flags(sp)) {
- sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
- }
- return (sp - framesize) & -32;
-}
-
-static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUAlphaState *env)
-{
- abi_ulong frame_addr, r26;
- struct target_sigframe *frame;
- int err = 0;
-
- frame_addr = get_sigframe(ka, env, sizeof(*frame));
- trace_user_setup_frame(env, frame_addr);
- if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {
- goto give_sigsegv;
- }
-
- setup_sigcontext(&frame->sc, env, frame_addr, set);
-
- if (ka->sa_restorer) {
- r26 = ka->sa_restorer;
- } else {
- __put_user(INSN_MOV_R30_R16, &frame->retcode[0]);
- __put_user(INSN_LDI_R0 + TARGET_NR_sigreturn,
- &frame->retcode[1]);
- __put_user(INSN_CALLSYS, &frame->retcode[2]);
- /* imb() */
- r26 = frame_addr + offsetof(struct target_sigframe, retcode);
- }
-
- unlock_user_struct(frame, frame_addr, 1);
-
- if (err) {
-give_sigsegv:
- force_sigsegv(sig);
- return;
- }
-
- env->ir[IR_RA] = r26;
- env->ir[IR_PV] = env->pc = ka->_sa_handler;
- env->ir[IR_A0] = sig;
- env->ir[IR_A1] = 0;
- env->ir[IR_A2] = frame_addr + offsetof(struct target_sigframe, sc);
- env->ir[IR_SP] = frame_addr;
-}
-
-static void setup_rt_frame(int sig, struct target_sigaction *ka,
- target_siginfo_t *info,
- target_sigset_t *set, CPUAlphaState *env)
-{
- abi_ulong frame_addr, r26;
- struct target_rt_sigframe *frame;
- int i, err = 0;
-
- frame_addr = get_sigframe(ka, env, sizeof(*frame));
- 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);
-
- __put_user(0, &frame->uc.tuc_flags);
- __put_user(0, &frame->uc.tuc_link);
- __put_user(set->sig[0], &frame->uc.tuc_osf_sigmask);
- __put_user(target_sigaltstack_used.ss_sp,
- &frame->uc.tuc_stack.ss_sp);
- __put_user(sas_ss_flags(env->ir[IR_SP]),
- &frame->uc.tuc_stack.ss_flags);
- __put_user(target_sigaltstack_used.ss_size,
- &frame->uc.tuc_stack.ss_size);
- setup_sigcontext(&frame->uc.tuc_mcontext, env, frame_addr, set);
- for (i = 0; i < TARGET_NSIG_WORDS; ++i) {
- __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
- }
-
- if (ka->sa_restorer) {
- r26 = ka->sa_restorer;
- } else {
- __put_user(INSN_MOV_R30_R16, &frame->retcode[0]);
- __put_user(INSN_LDI_R0 + TARGET_NR_rt_sigreturn,
- &frame->retcode[1]);
- __put_user(INSN_CALLSYS, &frame->retcode[2]);
- /* imb(); */
- r26 = frame_addr + offsetof(struct target_sigframe, retcode);
- }
-
- if (err) {
-give_sigsegv:
- force_sigsegv(sig);
- return;
- }
-
- env->ir[IR_RA] = r26;
- env->ir[IR_PV] = env->pc = ka->_sa_handler;
- env->ir[IR_A0] = sig;
- env->ir[IR_A1] = frame_addr + offsetof(struct target_rt_sigframe, info);
- env->ir[IR_A2] = frame_addr + offsetof(struct target_rt_sigframe, uc);
- env->ir[IR_SP] = frame_addr;
-}
-
-long do_sigreturn(CPUAlphaState *env)
-{
- struct target_sigcontext *sc;
- abi_ulong sc_addr = env->ir[IR_A0];
- target_sigset_t target_set;
- sigset_t set;
-
- if (!lock_user_struct(VERIFY_READ, sc, sc_addr, 1)) {
- goto badframe;
- }
-
- target_sigemptyset(&target_set);
- __get_user(target_set.sig[0], &sc->sc_mask);
-
- target_to_host_sigset_internal(&set, &target_set);
- set_sigmask(&set);
-
- restore_sigcontext(env, sc);
- unlock_user_struct(sc, sc_addr, 0);
- return -TARGET_QEMU_ESIGRETURN;
-
-badframe:
- force_sig(TARGET_SIGSEGV);
- return -TARGET_QEMU_ESIGRETURN;
-}
-
-long do_rt_sigreturn(CPUAlphaState *env)
-{
- abi_ulong frame_addr = env->ir[IR_A0];
- 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);
- if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe,
- uc.tuc_stack),
- 0, env->ir[IR_SP]) == -EFAULT) {
- goto badframe;
- }
-
- unlock_user_struct(frame, frame_addr, 0);
- return -TARGET_QEMU_ESIGRETURN;
-
-
-badframe:
- unlock_user_struct(frame, frame_addr, 0);
- force_sig(TARGET_SIGSEGV);
- return -TARGET_QEMU_ESIGRETURN;
-}
-
#elif defined(TARGET_TILEGX)
struct target_sigcontext {
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-25 21:19:34 +0000