[SIGSYS] = TARGET_SIGSYS,
/* next signals stay the same */
/* Nasty hack: Reverse SIGRTMIN and SIGRTMAX to avoid overlap with
- host libpthread signals. This assumes noone actually uses SIGRTMAX :-/
+ host libpthread signals. This assumes no one actually uses SIGRTMAX :-/
To fix this properly we need to do manual signal delivery multiplexed
over a single host signal. */
[__SIGRTMIN] = __SIGRTMAX,
host_to_target_sigset_internal(&d1, s);
for(i = 0;i < TARGET_NSIG_WORDS; i++)
- d->sig[i] = tswapl(d1.sig[i]);
+ d->sig[i] = tswapal(d1.sig[i]);
}
static void target_to_host_sigset_internal(sigset_t *d,
int i;
for(i = 0;i < TARGET_NSIG_WORDS; i++)
- s1.sig[i] = tswapl(s->sig[i]);
+ s1.sig[i] = tswapal(s->sig[i]);
target_to_host_sigset_internal(d, &s1);
}
static inline void host_to_target_siginfo_noswap(target_siginfo_t *tinfo,
const siginfo_t *info)
{
- int sig;
- sig = host_to_target_signal(info->si_signo);
+ int sig = host_to_target_signal(info->si_signo);
tinfo->si_signo = sig;
tinfo->si_errno = 0;
tinfo->si_code = info->si_code;
- if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV ||
- sig == SIGBUS || sig == SIGTRAP) {
- /* should never come here, but who knows. The information for
- the target is irrelevant */
+
+ if (sig == TARGET_SIGILL || sig == TARGET_SIGFPE || sig == TARGET_SIGSEGV
+ || sig == TARGET_SIGBUS || sig == TARGET_SIGTRAP) {
+ /* Should never come here, but who knows. The information for
+ the target is irrelevant. */
tinfo->_sifields._sigfault._addr = 0;
- } else if (sig == SIGIO) {
+ } else if (sig == TARGET_SIGIO) {
+ tinfo->_sifields._sigpoll._band = info->si_band;
tinfo->_sifields._sigpoll._fd = info->si_fd;
+ } else if (sig == TARGET_SIGCHLD) {
+ tinfo->_sifields._sigchld._pid = info->si_pid;
+ tinfo->_sifields._sigchld._uid = info->si_uid;
+ tinfo->_sifields._sigchld._status
+ = host_to_target_waitstatus(info->si_status);
+ tinfo->_sifields._sigchld._utime = info->si_utime;
+ tinfo->_sifields._sigchld._stime = info->si_stime;
} else if (sig >= TARGET_SIGRTMIN) {
tinfo->_sifields._rt._pid = info->si_pid;
tinfo->_sifields._rt._uid = info->si_uid;
/* XXX: potential problem if 64 bit */
- tinfo->_sifields._rt._sigval.sival_ptr =
- (abi_ulong)(unsigned long)info->si_value.sival_ptr;
+ tinfo->_sifields._rt._sigval.sival_ptr
+ = (abi_ulong)(unsigned long)info->si_value.sival_ptr;
}
}
static void tswap_siginfo(target_siginfo_t *tinfo,
const target_siginfo_t *info)
{
- int sig;
- sig = info->si_signo;
+ int sig = info->si_signo;
tinfo->si_signo = tswap32(sig);
tinfo->si_errno = tswap32(info->si_errno);
tinfo->si_code = tswap32(info->si_code);
- if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV ||
- sig == SIGBUS || sig == SIGTRAP) {
- tinfo->_sifields._sigfault._addr =
- tswapl(info->_sifields._sigfault._addr);
- } else if (sig == SIGIO) {
- tinfo->_sifields._sigpoll._fd = tswap32(info->_sifields._sigpoll._fd);
+
+ if (sig == TARGET_SIGILL || sig == TARGET_SIGFPE || sig == TARGET_SIGSEGV
+ || sig == TARGET_SIGBUS || sig == TARGET_SIGTRAP) {
+ tinfo->_sifields._sigfault._addr
+ = tswapal(info->_sifields._sigfault._addr);
+ } else if (sig == TARGET_SIGIO) {
+ tinfo->_sifields._sigpoll._band
+ = tswap32(info->_sifields._sigpoll._band);
+ tinfo->_sifields._sigpoll._fd = tswap32(info->_sifields._sigpoll._fd);
+ } else if (sig == TARGET_SIGCHLD) {
+ tinfo->_sifields._sigchld._pid
+ = tswap32(info->_sifields._sigchld._pid);
+ tinfo->_sifields._sigchld._uid
+ = tswap32(info->_sifields._sigchld._uid);
+ tinfo->_sifields._sigchld._status
+ = tswap32(info->_sifields._sigchld._status);
+ tinfo->_sifields._sigchld._utime
+ = tswapal(info->_sifields._sigchld._utime);
+ tinfo->_sifields._sigchld._stime
+ = tswapal(info->_sifields._sigchld._stime);
} else if (sig >= TARGET_SIGRTMIN) {
tinfo->_sifields._rt._pid = tswap32(info->_sifields._rt._pid);
tinfo->_sifields._rt._uid = tswap32(info->_sifields._rt._uid);
- tinfo->_sifields._rt._sigval.sival_ptr =
- tswapl(info->_sifields._rt._sigval.sival_ptr);
+ tinfo->_sifields._rt._sigval.sival_ptr
+ = tswapal(info->_sifields._rt._sigval.sival_ptr);
}
}
info->si_pid = tswap32(tinfo->_sifields._rt._pid);
info->si_uid = tswap32(tinfo->_sifields._rt._uid);
info->si_value.sival_ptr =
- (void *)(long)tswapl(tinfo->_sifields._rt._sigval.sival_ptr);
+ (void *)(long)tswapal(tinfo->_sifields._rt._sigval.sival_ptr);
}
static int fatal_signal (int sig)
/* signal queue handling */
-static inline struct sigqueue *alloc_sigqueue(CPUState *env)
+static inline struct sigqueue *alloc_sigqueue(CPUArchState *env)
{
TaskState *ts = env->opaque;
struct sigqueue *q = ts->first_free;
return q;
}
-static inline void free_sigqueue(CPUState *env, struct sigqueue *q)
+static inline void free_sigqueue(CPUArchState *env, struct sigqueue *q)
{
TaskState *ts = env->opaque;
q->next = ts->first_free;
/* queue a signal so that it will be send to the virtual CPU as soon
as possible */
-int queue_signal(CPUState *env, int sig, target_siginfo_t *info)
+int queue_signal(CPUArchState *env, int sig, target_siginfo_t *info)
{
TaskState *ts = env->opaque;
struct emulated_sigtable *k;
sig, act, oact);
#endif
if (oact) {
- oact->_sa_handler = tswapl(k->_sa_handler);
- oact->sa_flags = tswapl(k->sa_flags);
+ __put_user(k->_sa_handler, &oact->_sa_handler);
+ __put_user(k->sa_flags, &oact->sa_flags);
#if !defined(TARGET_MIPS)
- oact->sa_restorer = tswapl(k->sa_restorer);
+ __put_user(k->sa_restorer, &oact->sa_restorer);
#endif
+ /* Not swapped. */
oact->sa_mask = k->sa_mask;
}
if (act) {
/* FIXME: This is not threadsafe. */
- k->_sa_handler = tswapl(act->_sa_handler);
- k->sa_flags = tswapl(act->sa_flags);
+ __get_user(k->_sa_handler, &act->_sa_handler);
+ __get_user(k->sa_flags, &act->sa_flags);
#if !defined(TARGET_MIPS)
- k->sa_restorer = tswapl(act->sa_restorer);
+ __get_user(k->sa_restorer, &act->sa_restorer);
#endif
+ /* To be swapped in target_to_host_sigset. */
k->sa_mask = act->sa_mask;
/* we update the host linux signal state */
#define __get_user_error(x,p,e) __get_user(x, p)
-static inline int valid_user_regs(CPUState *regs)
+static inline int valid_user_regs(CPUARMState *regs)
{
return 1;
}
static void
setup_sigcontext(struct target_sigcontext *sc, /*struct _fpstate *fpstate,*/
- CPUState *env, abi_ulong mask)
+ CPUARMState *env, abi_ulong mask)
{
__put_user(env->regs[0], &sc->arm_r0);
__put_user(env->regs[1], &sc->arm_r1);
}
static inline abi_ulong
-get_sigframe(struct target_sigaction *ka, CPUState *regs, int framesize)
+get_sigframe(struct target_sigaction *ka, CPUARMState *regs, int framesize)
{
unsigned long sp = regs->regs[13];
}
static int
-setup_return(CPUState *env, struct target_sigaction *ka,
+setup_return(CPUARMState *env, struct target_sigaction *ka,
abi_ulong *rc, abi_ulong frame_addr, int usig, abi_ulong rc_addr)
{
abi_ulong handler = ka->_sa_handler;
if (__put_user(retcodes[idx], rc))
return 1;
-#if 0
- flush_icache_range((abi_ulong)rc,
- (abi_ulong)(rc + 1));
-#endif
+
retcode = rc_addr + thumb;
}
return 0;
}
-static abi_ulong *setup_sigframe_v2_vfp(abi_ulong *regspace, CPUState *env)
+static abi_ulong *setup_sigframe_v2_vfp(abi_ulong *regspace, CPUARMState *env)
{
int i;
struct target_vfp_sigframe *vfpframe;
return (abi_ulong*)(vfpframe+1);
}
-static abi_ulong *setup_sigframe_v2_iwmmxt(abi_ulong *regspace, CPUState *env)
+static abi_ulong *setup_sigframe_v2_iwmmxt(abi_ulong *regspace,
+ CPUARMState *env)
{
int i;
struct target_iwmmxt_sigframe *iwmmxtframe;
}
static void setup_sigframe_v2(struct target_ucontext_v2 *uc,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUARMState *env)
{
struct target_sigaltstack stack;
int i;
/* compare linux/arch/arm/kernel/signal.c:setup_frame() */
static void setup_frame_v1(int usig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *regs)
+ target_sigset_t *set, CPUARMState *regs)
{
struct sigframe_v1 *frame;
abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame));
}
static void setup_frame_v2(int usig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *regs)
+ target_sigset_t *set, CPUARMState *regs)
{
struct sigframe_v2 *frame;
abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame));
}
static void setup_frame(int usig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *regs)
+ target_sigset_t *set, CPUARMState *regs)
{
if (get_osversion() >= 0x020612) {
setup_frame_v2(usig, ka, set, regs);
/* compare linux/arch/arm/kernel/signal.c:setup_rt_frame() */
static void setup_rt_frame_v1(int usig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUARMState *env)
{
struct rt_sigframe_v1 *frame;
abi_ulong frame_addr = get_sigframe(ka, env, sizeof(*frame));
static void setup_rt_frame_v2(int usig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUARMState *env)
{
struct rt_sigframe_v2 *frame;
abi_ulong frame_addr = get_sigframe(ka, env, sizeof(*frame));
static void setup_rt_frame(int usig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUARMState *env)
{
if (get_osversion() >= 0x020612) {
setup_rt_frame_v2(usig, ka, info, set, env);
}
static int
-restore_sigcontext(CPUState *env, struct target_sigcontext *sc)
+restore_sigcontext(CPUARMState *env, struct target_sigcontext *sc)
{
int err = 0;
uint32_t cpsr;
return err;
}
-static long do_sigreturn_v1(CPUState *env)
+static long do_sigreturn_v1(CPUARMState *env)
{
abi_ulong frame_addr;
struct sigframe_v1 *frame;
return 0;
}
-static abi_ulong *restore_sigframe_v2_vfp(CPUState *env, abi_ulong *regspace)
+static abi_ulong *restore_sigframe_v2_vfp(CPUARMState *env, abi_ulong *regspace)
{
int i;
abi_ulong magic, sz;
return (abi_ulong*)(vfpframe + 1);
}
-static abi_ulong *restore_sigframe_v2_iwmmxt(CPUState *env, abi_ulong *regspace)
+static abi_ulong *restore_sigframe_v2_iwmmxt(CPUARMState *env,
+ abi_ulong *regspace)
{
int i;
abi_ulong magic, sz;
return (abi_ulong*)(iwmmxtframe + 1);
}
-static int do_sigframe_return_v2(CPUState *env, target_ulong frame_addr,
+static int do_sigframe_return_v2(CPUARMState *env, target_ulong frame_addr,
struct target_ucontext_v2 *uc)
{
sigset_t host_set;
return 0;
}
-static long do_sigreturn_v2(CPUState *env)
+static long do_sigreturn_v2(CPUARMState *env)
{
abi_ulong frame_addr;
struct sigframe_v2 *frame;
return 0;
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUARMState *env)
{
if (get_osversion() >= 0x020612) {
return do_sigreturn_v2(env);
}
}
-static long do_rt_sigreturn_v1(CPUState *env)
+static long do_rt_sigreturn_v1(CPUARMState *env)
{
abi_ulong frame_addr;
struct rt_sigframe_v1 *frame;
return 0;
}
-static long do_rt_sigreturn_v2(CPUState *env)
+static long do_rt_sigreturn_v2(CPUARMState *env)
{
abi_ulong frame_addr;
struct rt_sigframe_v2 *frame;
return 0;
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUARMState *env)
{
if (get_osversion() >= 0x020612) {
return do_rt_sigreturn_v2(env);
} __siginfo_t;
typedef struct {
- unsigned long si_float_regs [32];
+ abi_ulong si_float_regs[32];
unsigned long si_fsr;
unsigned long si_fpqdepth;
struct {
#define UREG_SP UREG_O6
static inline abi_ulong get_sigframe(struct target_sigaction *sa,
- CPUState *env, unsigned long framesize)
+ CPUSPARCState *env,
+ unsigned long framesize)
{
abi_ulong sp;
}
static int
-setup___siginfo(__siginfo_t *si, CPUState *env, abi_ulong mask)
+setup___siginfo(__siginfo_t *si, CPUSPARCState *env, abi_ulong mask)
{
int err = 0, i;
#if 0
static int
setup_sigcontext(struct target_sigcontext *sc, /*struct _fpstate *fpstate,*/
- CPUState *env, unsigned long mask)
+ CPUSPARCState *env, unsigned long mask)
{
int err = 0;
#define NF_ALIGNEDSZ (((sizeof(struct target_signal_frame) + 7) & (~7)))
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUSPARCState *env)
{
abi_ulong sf_addr;
struct target_signal_frame *sf;
force_sig(TARGET_SIGSEGV);
}
static inline int
-restore_fpu_state(CPUState *env, qemu_siginfo_fpu_t *fpu)
+restore_fpu_state(CPUSPARCState *env, qemu_siginfo_fpu_t *fpu)
{
int err;
#if 0
return -EFAULT;
#endif
-#if 0
/* XXX: incorrect */
- err = __copy_from_user(&env->fpr[0], &fpu->si_float_regs[0],
- (sizeof(unsigned long) * 32));
-#endif
+ err = copy_from_user(&env->fpr[0], fpu->si_float_regs[0],
+ (sizeof(abi_ulong) * 32));
err |= __get_user(env->fsr, &fpu->si_fsr);
#if 0
err |= __get_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUSPARCState *env)
{
fprintf(stderr, "setup_rt_frame: not implemented\n");
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUSPARCState *env)
{
abi_ulong sf_addr;
struct target_signal_frame *sf;
force_sig(TARGET_SIGSEGV);
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUSPARCState *env)
{
fprintf(stderr, "do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
*/
err |= __get_user(env->fprs, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_fprs));
{
- uint32_t *src, *dst;
- src = ucp->tuc_mcontext.mc_fpregs.mcfpu_fregs.sregs;
- dst = env->fpr;
- /* XXX: check that the CPU storage is the same as user context */
- for (i = 0; i < 64; i++, dst++, src++)
- err |= __get_user(*dst, src);
+ uint32_t *src = ucp->tuc_mcontext.mc_fpregs.mcfpu_fregs.sregs;
+ for (i = 0; i < 64; i++, src++) {
+ if (i & 1) {
+ err |= __get_user(env->fpr[i/2].l.lower, src);
+ } else {
+ err |= __get_user(env->fpr[i/2].l.upper, src);
+ }
+ }
}
err |= __get_user(env->fsr,
&(ucp->tuc_mcontext.mc_fpregs.mcfpu_fsr));
err |= __put_user(i7, &(mcp->mc_i7));
{
- uint32_t *src, *dst;
- src = env->fpr;
- dst = ucp->tuc_mcontext.mc_fpregs.mcfpu_fregs.sregs;
- /* XXX: check that the CPU storage is the same as user context */
- for (i = 0; i < 64; i++, dst++, src++)
- err |= __put_user(*src, dst);
+ uint32_t *dst = ucp->tuc_mcontext.mc_fpregs.mcfpu_fregs.sregs;
+ for (i = 0; i < 64; i++, dst++) {
+ if (i & 1) {
+ err |= __put_user(env->fpr[i/2].l.lower, dst);
+ } else {
+ err |= __put_user(env->fpr[i/2].l.upper, dst);
+ }
+ }
}
err |= __put_user(env->fsr, &(mcp->mc_fpregs.mcfpu_fsr));
err |= __put_user(env->gsr, &(mcp->mc_fpregs.mcfpu_gsr));
force_sig(TARGET_SIGSEGV);
}
#endif
-#elif defined(TARGET_ABI_MIPSN64)
-
-# warning signal handling not implemented
-
-static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
-{
- fprintf(stderr, "setup_frame: not implemented\n");
-}
-
-static void setup_rt_frame(int sig, struct target_sigaction *ka,
- target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
-{
- fprintf(stderr, "setup_rt_frame: not implemented\n");
-}
-
-long do_sigreturn(CPUState *env)
-{
- fprintf(stderr, "do_sigreturn: not implemented\n");
- return -TARGET_ENOSYS;
-}
-
-long do_rt_sigreturn(CPUState *env)
-{
- fprintf(stderr, "do_rt_sigreturn: not implemented\n");
- return -TARGET_ENOSYS;
-}
-
-#elif defined(TARGET_ABI_MIPSN32)
-
-# warning signal handling not implemented
-
-static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
-{
- fprintf(stderr, "setup_frame: not implemented\n");
-}
-
-static void setup_rt_frame(int sig, struct target_sigaction *ka,
- target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
-{
- fprintf(stderr, "setup_rt_frame: not implemented\n");
-}
-
-long do_sigreturn(CPUState *env)
-{
- fprintf(stderr, "do_sigreturn: not implemented\n");
- return -TARGET_ENOSYS;
-}
-
-long do_rt_sigreturn(CPUState *env)
-{
- fprintf(stderr, "do_rt_sigreturn: not implemented\n");
- return -TARGET_ENOSYS;
-}
-
-#elif defined(TARGET_ABI_MIPSO32)
+#elif defined(TARGET_MIPS) || defined(TARGET_MIPS64)
+# if defined(TARGET_ABI_MIPSO32)
struct target_sigcontext {
uint32_t sc_regmask; /* Unused */
uint32_t sc_status;
target_ulong sc_hi3;
target_ulong sc_lo3;
};
+# else /* N32 || N64 */
+struct target_sigcontext {
+ uint64_t sc_regs[32];
+ uint64_t sc_fpregs[32];
+ uint64_t sc_mdhi;
+ uint64_t sc_hi1;
+ uint64_t sc_hi2;
+ uint64_t sc_hi3;
+ uint64_t sc_mdlo;
+ uint64_t sc_lo1;
+ uint64_t sc_lo2;
+ uint64_t sc_lo3;
+ uint64_t sc_pc;
+ uint32_t sc_fpc_csr;
+ uint32_t sc_used_math;
+ uint32_t sc_dsp;
+ uint32_t sc_reserved;
+};
+# endif /* O32 */
struct sigframe {
uint32_t sf_ass[4]; /* argument save space for o32 */
/* Install trampoline to jump back from signal handler */
static inline int install_sigtramp(unsigned int *tramp, unsigned int syscall)
{
- int err;
+ int err = 0;
/*
- * Set up the return code ...
- *
- * li v0, __NR__foo_sigreturn
- * syscall
- */
+ * Set up the return code ...
+ *
+ * li v0, __NR__foo_sigreturn
+ * syscall
+ */
- err = __put_user(0x24020000 + syscall, tramp + 0);
+ err |= __put_user(0x24020000 + syscall, tramp + 0);
err |= __put_user(0x0000000c , tramp + 1);
- /* flush_cache_sigtramp((unsigned long) tramp); */
return err;
}
static inline int
-setup_sigcontext(CPUState *regs, struct target_sigcontext *sc)
+setup_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc)
{
int err = 0;
+ int i;
err |= __put_user(regs->active_tc.PC, &sc->sc_pc);
-#define save_gp_reg(i) do { \
- err |= __put_user(regs->active_tc.gpr[i], &sc->sc_regs[i]); \
- } while(0)
- __put_user(0, &sc->sc_regs[0]); save_gp_reg(1); save_gp_reg(2);
- save_gp_reg(3); save_gp_reg(4); save_gp_reg(5); save_gp_reg(6);
- save_gp_reg(7); save_gp_reg(8); save_gp_reg(9); save_gp_reg(10);
- save_gp_reg(11); save_gp_reg(12); save_gp_reg(13); save_gp_reg(14);
- save_gp_reg(15); save_gp_reg(16); save_gp_reg(17); save_gp_reg(18);
- save_gp_reg(19); save_gp_reg(20); save_gp_reg(21); save_gp_reg(22);
- save_gp_reg(23); save_gp_reg(24); save_gp_reg(25); save_gp_reg(26);
- save_gp_reg(27); save_gp_reg(28); save_gp_reg(29); save_gp_reg(30);
- save_gp_reg(31);
-#undef save_gp_reg
+ __put_user(0, &sc->sc_regs[0]);
+ for (i = 1; i < 32; ++i) {
+ err |= __put_user(regs->active_tc.gpr[i], &sc->sc_regs[i]);
+ }
err |= __put_user(regs->active_tc.HI[0], &sc->sc_mdhi);
err |= __put_user(regs->active_tc.LO[0], &sc->sc_mdlo);
- /* Not used yet, but might be useful if we ever have DSP suppport */
-#if 0
- if (cpu_has_dsp) {
- err |= __put_user(mfhi1(), &sc->sc_hi1);
- err |= __put_user(mflo1(), &sc->sc_lo1);
- err |= __put_user(mfhi2(), &sc->sc_hi2);
- err |= __put_user(mflo2(), &sc->sc_lo2);
- err |= __put_user(mfhi3(), &sc->sc_hi3);
- err |= __put_user(mflo3(), &sc->sc_lo3);
- err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
- }
- /* same with 64 bit */
-#ifdef CONFIG_64BIT
- err |= __put_user(regs->hi, &sc->sc_hi[0]);
- err |= __put_user(regs->lo, &sc->sc_lo[0]);
- if (cpu_has_dsp) {
- err |= __put_user(mfhi1(), &sc->sc_hi[1]);
- err |= __put_user(mflo1(), &sc->sc_lo[1]);
- err |= __put_user(mfhi2(), &sc->sc_hi[2]);
- err |= __put_user(mflo2(), &sc->sc_lo[2]);
- err |= __put_user(mfhi3(), &sc->sc_hi[3]);
- err |= __put_user(mflo3(), &sc->sc_lo[3]);
- err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
+ /* Rather than checking for dsp existence, always copy. The storage
+ would just be garbage otherwise. */
+ err |= __put_user(regs->active_tc.HI[1], &sc->sc_hi1);
+ err |= __put_user(regs->active_tc.HI[2], &sc->sc_hi2);
+ err |= __put_user(regs->active_tc.HI[3], &sc->sc_hi3);
+ err |= __put_user(regs->active_tc.LO[1], &sc->sc_lo1);
+ err |= __put_user(regs->active_tc.LO[2], &sc->sc_lo2);
+ err |= __put_user(regs->active_tc.LO[3], &sc->sc_lo3);
+ {
+ uint32_t dsp = cpu_rddsp(0x3ff, regs);
+ err |= __put_user(dsp, &sc->sc_dsp);
}
-#endif
-#endif
-
-#if 0
- err |= __put_user(!!used_math(), &sc->sc_used_math);
-
- if (!used_math())
- goto out;
- /*
- * Save FPU state to signal context. Signal handler will "inherit"
- * current FPU state.
- */
- preempt_disable();
+ err |= __put_user(1, &sc->sc_used_math);
- if (!is_fpu_owner()) {
- own_fpu();
- restore_fp(current);
+ for (i = 0; i < 32; ++i) {
+ err |= __put_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]);
}
- err |= save_fp_context(sc);
- preempt_enable();
- out:
-#endif
return err;
}
static inline int
-restore_sigcontext(CPUState *regs, struct target_sigcontext *sc)
+restore_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc)
{
int err = 0;
+ int i;
err |= __get_user(regs->CP0_EPC, &sc->sc_pc);
err |= __get_user(regs->active_tc.HI[0], &sc->sc_mdhi);
err |= __get_user(regs->active_tc.LO[0], &sc->sc_mdlo);
-#define restore_gp_reg(i) do { \
- err |= __get_user(regs->active_tc.gpr[i], &sc->sc_regs[i]); \
- } while(0)
- restore_gp_reg( 1); restore_gp_reg( 2); restore_gp_reg( 3);
- restore_gp_reg( 4); restore_gp_reg( 5); restore_gp_reg( 6);
- restore_gp_reg( 7); restore_gp_reg( 8); restore_gp_reg( 9);
- restore_gp_reg(10); restore_gp_reg(11); restore_gp_reg(12);
- restore_gp_reg(13); restore_gp_reg(14); restore_gp_reg(15);
- restore_gp_reg(16); restore_gp_reg(17); restore_gp_reg(18);
- restore_gp_reg(19); restore_gp_reg(20); restore_gp_reg(21);
- restore_gp_reg(22); restore_gp_reg(23); restore_gp_reg(24);
- restore_gp_reg(25); restore_gp_reg(26); restore_gp_reg(27);
- restore_gp_reg(28); restore_gp_reg(29); restore_gp_reg(30);
- restore_gp_reg(31);
-#undef restore_gp_reg
-
-#if 0
- if (cpu_has_dsp) {
- err |= __get_user(treg, &sc->sc_hi1); mthi1(treg);
- err |= __get_user(treg, &sc->sc_lo1); mtlo1(treg);
- err |= __get_user(treg, &sc->sc_hi2); mthi2(treg);
- err |= __get_user(treg, &sc->sc_lo2); mtlo2(treg);
- err |= __get_user(treg, &sc->sc_hi3); mthi3(treg);
- err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg);
- err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
- }
-#ifdef CONFIG_64BIT
- err |= __get_user(regs->hi, &sc->sc_hi[0]);
- err |= __get_user(regs->lo, &sc->sc_lo[0]);
- if (cpu_has_dsp) {
- err |= __get_user(treg, &sc->sc_hi[1]); mthi1(treg);
- err |= __get_user(treg, &sc->sc_lo[1]); mthi1(treg);
- err |= __get_user(treg, &sc->sc_hi[2]); mthi2(treg);
- err |= __get_user(treg, &sc->sc_lo[2]); mthi2(treg);
- err |= __get_user(treg, &sc->sc_hi[3]); mthi3(treg);
- err |= __get_user(treg, &sc->sc_lo[3]); mthi3(treg);
- err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
+ for (i = 1; i < 32; ++i) {
+ err |= __get_user(regs->active_tc.gpr[i], &sc->sc_regs[i]);
}
-#endif
-
- err |= __get_user(used_math, &sc->sc_used_math);
- conditional_used_math(used_math);
- preempt_disable();
+ err |= __get_user(regs->active_tc.HI[1], &sc->sc_hi1);
+ err |= __get_user(regs->active_tc.HI[2], &sc->sc_hi2);
+ err |= __get_user(regs->active_tc.HI[3], &sc->sc_hi3);
+ err |= __get_user(regs->active_tc.LO[1], &sc->sc_lo1);
+ err |= __get_user(regs->active_tc.LO[2], &sc->sc_lo2);
+ err |= __get_user(regs->active_tc.LO[3], &sc->sc_lo3);
+ {
+ uint32_t dsp;
+ err |= __get_user(dsp, &sc->sc_dsp);
+ cpu_wrdsp(dsp, 0x3ff, regs);
+ }
- if (used_math()) {
- /* restore fpu context if we have used it before */
- own_fpu();
- err |= restore_fp_context(sc);
- } else {
- /* signal handler may have used FPU. Give it up. */
- lose_fpu();
+ for (i = 0; i < 32; ++i) {
+ err |= __get_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]);
}
- preempt_enable();
-#endif
return err;
}
+
/*
* Determine which stack to use..
*/
static inline abi_ulong
-get_sigframe(struct target_sigaction *ka, CPUState *regs, size_t frame_size)
+get_sigframe(struct target_sigaction *ka, CPUMIPSState *regs, size_t frame_size)
{
unsigned long sp;
sp = regs->active_tc.gpr[29];
/*
- * FPU emulator may have it's own trampoline active just
+ * FPU emulator may have its own trampoline active just
* above the user stack, 16-bytes before the next lowest
* 16 byte boundary. Try to avoid trashing it.
*/
return (sp - frame_size) & ~7;
}
+# if defined(TARGET_ABI_MIPSO32)
/* compare linux/arch/mips/kernel/signal.c:setup_frame() */
static void setup_frame(int sig, struct target_sigaction * ka,
- target_sigset_t *set, CPUState *regs)
+ target_sigset_t *set, CPUMIPSState *regs)
{
struct sigframe *frame;
abi_ulong frame_addr;
give_sigsegv:
unlock_user_struct(frame, frame_addr, 1);
force_sig(TARGET_SIGSEGV/*, current*/);
- return;
}
-long do_sigreturn(CPUState *regs)
+long do_sigreturn(CPUMIPSState *regs)
{
struct sigframe *frame;
abi_ulong frame_addr;
force_sig(TARGET_SIGSEGV/*, current*/);
return 0;
}
+# endif /* O32 */
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUMIPSState *env)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
* Arguments to signal handler:
*
* a0 = signal number
- * a1 = pointer to struct siginfo
+ * a1 = pointer to siginfo_t
* a2 = pointer to struct ucontext
*
* $25 and PC point to the signal handler, $29 points to the
give_sigsegv:
unlock_user_struct(frame, frame_addr, 1);
force_sig(TARGET_SIGSEGV/*, current*/);
- return;
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUMIPSState *env)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
}
static int setup_sigcontext(struct target_sigcontext *sc,
- CPUState *regs, unsigned long mask)
+ CPUSH4State *regs, unsigned long mask)
{
int err = 0;
int i;
return err;
}
-static int restore_sigcontext(CPUState *regs, struct target_sigcontext *sc,
+static int restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc,
target_ulong *r0_p)
{
unsigned int err = 0;
}
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *regs)
+ target_sigset_t *set, CPUSH4State *regs)
{
struct target_sigframe *frame;
abi_ulong frame_addr;
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *regs)
+ target_sigset_t *set, CPUSH4State *regs)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
force_sig(TARGET_SIGSEGV);
}
-long do_sigreturn(CPUState *regs)
+long do_sigreturn(CPUSH4State *regs)
{
struct target_sigframe *frame;
abi_ulong frame_addr;
return 0;
}
-long do_rt_sigreturn(CPUState *regs)
+long do_rt_sigreturn(CPUSH4State *regs)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
};
struct rt_signal_frame {
- struct siginfo info;
+ siginfo_t info;
struct ucontext uc;
uint32_t tramp[2];
};
-static void setup_sigcontext(struct target_sigcontext *sc, CPUState *env)
+static void setup_sigcontext(struct target_sigcontext *sc, CPUMBState *env)
{
__put_user(env->regs[0], &sc->regs.r0);
__put_user(env->regs[1], &sc->regs.r1);
__put_user(env->sregs[SR_PC], &sc->regs.pc);
}
-static void restore_sigcontext(struct target_sigcontext *sc, CPUState *env)
+static void restore_sigcontext(struct target_sigcontext *sc, CPUMBState *env)
{
__get_user(env->regs[0], &sc->regs.r0);
__get_user(env->regs[1], &sc->regs.r1);
}
static abi_ulong get_sigframe(struct target_sigaction *ka,
- CPUState *env, int frame_size)
+ CPUMBState *env, int frame_size)
{
abi_ulong sp = env->regs[1];
}
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUMBState *env)
{
struct target_signal_frame *frame;
abi_ulong frame_addr;
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUMBState *env)
{
fprintf(stderr, "Microblaze setup_rt_frame: not implemented\n");
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUMBState *env)
{
struct target_signal_frame *frame;
abi_ulong frame_addr;
force_sig(TARGET_SIGSEGV);
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUMBState *env)
{
fprintf(stderr, "Microblaze do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
};
struct rt_signal_frame {
- struct siginfo *pinfo;
+ siginfo_t *pinfo;
void *puc;
- struct siginfo info;
+ siginfo_t info;
struct ucontext uc;
uint8_t retcode[8]; /* Trampoline code. */
};
-static void setup_sigcontext(struct target_sigcontext *sc, CPUState *env)
+static void setup_sigcontext(struct target_sigcontext *sc, CPUCRISState *env)
{
__put_user(env->regs[0], &sc->regs.r0);
__put_user(env->regs[1], &sc->regs.r1);
__put_user(env->pc, &sc->regs.erp);
}
-static void restore_sigcontext(struct target_sigcontext *sc, CPUState *env)
+static void restore_sigcontext(struct target_sigcontext *sc, CPUCRISState *env)
{
__get_user(env->regs[0], &sc->regs.r0);
__get_user(env->regs[1], &sc->regs.r1);
__get_user(env->pc, &sc->regs.erp);
}
-static abi_ulong get_sigframe(CPUState *env, int framesize)
+static abi_ulong get_sigframe(CPUCRISState *env, int framesize)
{
abi_ulong sp;
/* Align the stack downwards to 4. */
}
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUCRISState *env)
{
struct target_signal_frame *frame;
abi_ulong frame_addr;
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUCRISState *env)
{
fprintf(stderr, "CRIS setup_rt_frame: not implemented\n");
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUCRISState *env)
{
struct target_signal_frame *frame;
abi_ulong frame_addr;
force_sig(TARGET_SIGSEGV);
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUCRISState *env)
{
fprintf(stderr, "CRIS do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
+#elif defined(TARGET_OPENRISC)
+
+struct target_sigcontext {
+ struct target_pt_regs regs;
+ abi_ulong oldmask;
+ abi_ulong usp;
+};
+
+struct target_ucontext {
+ abi_ulong tuc_flags;
+ abi_ulong tuc_link;
+ target_stack_t tuc_stack;
+ struct target_sigcontext tuc_mcontext;
+ target_sigset_t tuc_sigmask; /* mask last for extensibility */
+};
+
+struct target_rt_sigframe {
+ abi_ulong pinfo;
+ uint64_t puc;
+ struct target_siginfo info;
+ struct target_sigcontext sc;
+ struct target_ucontext uc;
+ unsigned char retcode[16]; /* trampoline code */
+};
+
+/* This is the asm-generic/ucontext.h version */
+#if 0
+static int restore_sigcontext(CPUOpenRISCState *regs,
+ struct target_sigcontext *sc)
+{
+ unsigned int err = 0;
+ unsigned long old_usp;
+
+ /* Alwys make any pending restarted system call return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
+ /* restore the regs from &sc->regs (same as sc, since regs is first)
+ * (sc is already checked for VERIFY_READ since the sigframe was
+ * checked in sys_sigreturn previously)
+ */
+
+ if (copy_from_user(regs, &sc, sizeof(struct target_pt_regs))) {
+ goto badframe;
+ }
+
+ /* make sure the U-flag is set so user-mode cannot fool us */
+
+ regs->sr &= ~SR_SM;
+
+ /* restore the old USP as it was before we stacked the sc etc.
+ * (we cannot just pop the sigcontext since we aligned the sp and
+ * stuff after pushing it)
+ */
+
+ err |= __get_user(old_usp, &sc->usp);
+ phx_signal("old_usp 0x%lx", old_usp);
+
+ __PHX__ REALLY /* ??? */
+ wrusp(old_usp);
+ regs->gpr[1] = old_usp;
+
+ /* TODO: the other ports use regs->orig_XX to disable syscall checks
+ * after this completes, but we don't use that mechanism. maybe we can
+ * use it now ?
+ */
+
+ return err;
+
+badframe:
+ return 1;
+}
+#endif
+
+/* Set up a signal frame. */
+
+static int setup_sigcontext(struct target_sigcontext *sc,
+ CPUOpenRISCState *regs,
+ unsigned long mask)
+{
+ int err = 0;
+ unsigned long usp = regs->gpr[1];
+
+ /* copy the regs. they are first in sc so we can use sc directly */
+
+ /*err |= copy_to_user(&sc, regs, sizeof(struct target_pt_regs));*/
+
+ /* Set the frametype to CRIS_FRAME_NORMAL for the execution of
+ the signal handler. The frametype will be restored to its previous
+ value in restore_sigcontext. */
+ /*regs->frametype = CRIS_FRAME_NORMAL;*/
+
+ /* then some other stuff */
+ err |= __put_user(mask, &sc->oldmask);
+ err |= __put_user(usp, &sc->usp); return err;
+}
+
+static inline unsigned long align_sigframe(unsigned long sp)
+{
+ unsigned long i;
+ i = sp & ~3UL;
+ return i;
+}
+
+static inline abi_ulong get_sigframe(struct target_sigaction *ka,
+ CPUOpenRISCState *regs,
+ size_t frame_size)
+{
+ unsigned long sp = regs->gpr[1];
+ int onsigstack = on_sig_stack(sp);
+
+ /* redzone */
+ /* This is the X/Open sanctioned signal stack switching. */
+ if ((ka->sa_flags & SA_ONSTACK) != 0 && !onsigstack) {
+ sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
+ }
+
+ sp = align_sigframe(sp - frame_size);
+
+ /*
+ * If we are on the alternate signal stack and would overflow it, don't.
+ * Return an always-bogus address instead so we will die with SIGSEGV.
+ */
+
+ if (onsigstack && !likely(on_sig_stack(sp))) {
+ return -1L;
+ }
+
+ return sp;
+}
+
+static void setup_frame(int sig, struct target_sigaction *ka,
+ target_sigset_t *set, CPUOpenRISCState *env)
+{
+ qemu_log("Not implement.\n");
+}
+
+static void setup_rt_frame(int sig, struct target_sigaction *ka,
+ target_siginfo_t *info,
+ target_sigset_t *set, CPUOpenRISCState *env)
+{
+ int err = 0;
+ abi_ulong frame_addr;
+ unsigned long return_ip;
+ struct target_rt_sigframe *frame;
+ abi_ulong info_addr, uc_addr;
+
+ frame_addr = get_sigframe(ka, env, sizeof *frame);
+
+ frame_addr = get_sigframe(ka, env, sizeof(*frame));
+ if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {
+ goto give_sigsegv;
+ }
+
+ info_addr = frame_addr + offsetof(struct target_rt_sigframe, info);
+ err |= __put_user(info_addr, &frame->pinfo);
+ uc_addr = frame_addr + offsetof(struct target_rt_sigframe, uc);
+ err |= __put_user(uc_addr, &frame->puc);
+
+ if (ka->sa_flags & SA_SIGINFO) {
+ err |= copy_siginfo_to_user(&frame->info, info);
+ }
+ if (err) {
+ goto give_sigsegv;
+ }
+
+ /*err |= __clear_user(&frame->uc, offsetof(struct ucontext, uc_mcontext));*/
+ err |= __put_user(0, &frame->uc.tuc_flags);
+ err |= __put_user(0, &frame->uc.tuc_link);
+ err |= __put_user(target_sigaltstack_used.ss_sp,
+ &frame->uc.tuc_stack.ss_sp);
+ err |= __put_user(sas_ss_flags(env->gpr[1]), &frame->uc.tuc_stack.ss_flags);
+ err |= __put_user(target_sigaltstack_used.ss_size,
+ &frame->uc.tuc_stack.ss_size);
+ err |= setup_sigcontext(&frame->sc, env, set->sig[0]);
+
+ /*err |= copy_to_user(frame->uc.tuc_sigmask, set, sizeof(*set));*/
+
+ if (err) {
+ goto give_sigsegv;
+ }
+
+ /* trampoline - the desired return ip is the retcode itself */
+ return_ip = (unsigned long)&frame->retcode;
+ /* This is l.ori r11,r0,__NR_sigreturn, l.sys 1 */
+ err |= __put_user(0xa960, (short *)(frame->retcode + 0));
+ err |= __put_user(TARGET_NR_rt_sigreturn, (short *)(frame->retcode + 2));
+ err |= __put_user(0x20000001, (unsigned long *)(frame->retcode + 4));
+ err |= __put_user(0x15000000, (unsigned long *)(frame->retcode + 8));
+
+ if (err) {
+ goto give_sigsegv;
+ }
+
+ /* TODO what is the current->exec_domain stuff and invmap ? */
+
+ /* Set up registers for signal handler */
+ env->pc = (unsigned long)ka->_sa_handler; /* what we enter NOW */
+ env->gpr[9] = (unsigned long)return_ip; /* what we enter LATER */
+ env->gpr[3] = (unsigned long)sig; /* arg 1: signo */
+ env->gpr[4] = (unsigned long)&frame->info; /* arg 2: (siginfo_t*) */
+ env->gpr[5] = (unsigned long)&frame->uc; /* arg 3: ucontext */
+
+ /* actually move the usp to reflect the stacked frame */
+ env->gpr[1] = (unsigned long)frame;
+
+ return;
+
+give_sigsegv:
+ unlock_user_struct(frame, frame_addr, 1);
+ if (sig == TARGET_SIGSEGV) {
+ ka->_sa_handler = TARGET_SIG_DFL;
+ }
+ force_sig(TARGET_SIGSEGV);
+}
+
+long do_sigreturn(CPUOpenRISCState *env)
+{
+
+ qemu_log("do_sigreturn: not implemented\n");
+ return -TARGET_ENOSYS;
+}
+
+long do_rt_sigreturn(CPUOpenRISCState *env)
+{
+ qemu_log("do_rt_sigreturn: not implemented\n");
+ return -TARGET_ENOSYS;
+}
+/* TARGET_OPENRISC */
+
#elif defined(TARGET_S390X)
#define __NUM_GPRS 16
} rt_sigframe;
static inline abi_ulong
-get_sigframe(struct target_sigaction *ka, CPUState *env, size_t frame_size)
+get_sigframe(struct target_sigaction *ka, CPUS390XState *env, size_t frame_size)
{
abi_ulong sp;
return (sp - frame_size) & -8ul;
}
-static void save_sigregs(CPUState *env, target_sigregs *sregs)
+static void save_sigregs(CPUS390XState *env, target_sigregs *sregs)
{
int i;
//save_access_regs(current->thread.acrs); FIXME
}
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUS390XState *env)
{
sigframe *frame;
abi_ulong frame_addr;
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUS390XState *env)
{
int i;
rt_sigframe *frame;
}
static int
-restore_sigregs(CPUState *env, target_sigregs *sc)
+restore_sigregs(CPUS390XState *env, target_sigregs *sc)
{
int err = 0;
int i;
return err;
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUS390XState *env)
{
sigframe *frame;
abi_ulong frame_addr = env->regs[15];
return 0;
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUS390XState *env)
{
rt_sigframe *frame;
abi_ulong frame_addr = env->regs[15];
/* See arch/powerpc/kernel/signal.c. */
static target_ulong get_sigframe(struct target_sigaction *ka,
- CPUState *env,
+ CPUPPCState *env,
int frame_size)
{
target_ulong oldsp, newsp;
oldsp = env->gpr[1];
if ((ka->sa_flags & TARGET_SA_ONSTACK) &&
- (sas_ss_flags(oldsp))) {
+ (sas_ss_flags(oldsp) == 0)) {
oldsp = (target_sigaltstack_used.ss_sp
+ target_sigaltstack_used.ss_size);
}
return newsp;
}
-static int save_user_regs(CPUState *env, struct target_mcontext *frame,
+static int save_user_regs(CPUPPCState *env, struct target_mcontext *frame,
int sigret)
{
target_ulong msr = env->msr;
return 0;
}
-static int restore_user_regs(CPUState *env,
+static int restore_user_regs(CPUPPCState *env,
struct target_mcontext *frame, int sig)
{
target_ulong save_r2 = 0;
}
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUPPCState *env)
{
struct target_sigframe *frame;
struct target_sigcontext *sc;
signal = current_exec_domain_sig(sig);
- err |= __put_user(h2g(ka->_sa_handler), &sc->handler);
+ err |= __put_user(ka->_sa_handler, &sc->handler);
err |= __put_user(set->sig[0], &sc->oldmask);
#if defined(TARGET_PPC64)
err |= __put_user(set->sig[0] >> 32, &sc->_unused[3]);
/* Create a stack frame for the caller of the handler. */
newsp = frame_addr - SIGNAL_FRAMESIZE;
- err |= __put_user(env->gpr[1], (target_ulong *)(uintptr_t) newsp);
+ err |= put_user(env->gpr[1], newsp, target_ulong);
if (err)
goto sigsegv;
/* Set up registers for signal handler. */
env->gpr[1] = newsp;
env->gpr[3] = signal;
- env->gpr[4] = (target_ulong) h2g(sc);
+ env->gpr[4] = frame_addr + offsetof(struct target_sigframe, sctx);
env->nip = (target_ulong) ka->_sa_handler;
/* Signal handlers are entered in big-endian mode. */
env->msr &= ~MSR_LE;
sigsegv:
unlock_user_struct(frame, frame_addr, 1);
- if (logfile)
- fprintf (logfile, "segfaulting from setup_frame\n");
+ qemu_log("segfaulting from setup_frame\n");
force_sig(TARGET_SIGSEGV);
}
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUPPCState *env)
{
struct target_rt_sigframe *rt_sf;
struct target_mcontext *frame;
sigsegv:
unlock_user_struct(rt_sf, rt_sf_addr, 1);
- if (logfile)
- fprintf (logfile, "segfaulting from setup_rt_frame\n");
+ qemu_log("segfaulting from setup_rt_frame\n");
force_sig(TARGET_SIGSEGV);
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUPPCState *env)
{
struct target_sigcontext *sc = NULL;
struct target_mcontext *sr = NULL;
sigsegv:
unlock_user_struct(sr, sr_addr, 1);
unlock_user_struct(sc, sc_addr, 1);
- if (logfile)
- fprintf (logfile, "segfaulting from do_sigreturn\n");
+ qemu_log("segfaulting from do_sigreturn\n");
force_sig(TARGET_SIGSEGV);
return 0;
}
/* See arch/powerpc/kernel/signal_32.c. */
-static int do_setcontext(struct target_ucontext *ucp, CPUState *env, int sig)
+static int do_setcontext(struct target_ucontext *ucp, CPUPPCState *env, int sig)
{
struct target_mcontext *mcp;
target_ulong mcp_addr;
#endif
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUPPCState *env)
{
struct target_rt_sigframe *rt_sf = NULL;
target_ulong rt_sf_addr;
sigsegv:
unlock_user_struct(rt_sf, rt_sf_addr, 1);
- if (logfile)
- fprintf (logfile, "segfaulting from do_rt_sigreturn\n");
+ qemu_log("segfaulting from do_rt_sigreturn\n");
force_sig(TARGET_SIGSEGV);
return 0;
}
};
static int
-setup_sigcontext(struct target_sigcontext *sc, CPUState *env, abi_ulong mask)
+setup_sigcontext(struct target_sigcontext *sc, CPUM68KState *env,
+ abi_ulong mask)
{
int err = 0;
}
static int
-restore_sigcontext(CPUState *env, struct target_sigcontext *sc, int *pd0)
+restore_sigcontext(CPUM68KState *env, struct target_sigcontext *sc, int *pd0)
{
int err = 0;
int temp;
* Determine which stack to use..
*/
static inline abi_ulong
-get_sigframe(struct target_sigaction *ka, CPUState *regs, size_t frame_size)
+get_sigframe(struct target_sigaction *ka, CPUM68KState *regs,
+ size_t frame_size)
{
unsigned long sp;
}
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUM68KState *env)
{
struct target_sigframe *frame;
abi_ulong frame_addr;
}
static inline int target_rt_setup_ucontext(struct target_ucontext *uc,
- CPUState *env)
+ CPUM68KState *env)
{
target_greg_t *gregs = uc->tuc_mcontext.gregs;
int err;
return err;
}
-static inline int target_rt_restore_ucontext(CPUState *env,
+static inline int target_rt_restore_ucontext(CPUM68KState *env,
struct target_ucontext *uc,
int *pd0)
{
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUM68KState *env)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
force_sig(TARGET_SIGSEGV);
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUM68KState *env)
{
struct target_sigframe *frame;
abi_ulong frame_addr = env->aregs[7] - 4;
return 0;
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUM68KState *env)
{
struct target_rt_sigframe *frame;
abi_ulong frame_addr = env->aregs[7] - 4;
#define INSN_LDI_R0 0x201f0000
#define INSN_CALLSYS 0x00000083
-static int setup_sigcontext(struct target_sigcontext *sc, CPUState *env,
+static int setup_sigcontext(struct target_sigcontext *sc, CPUAlphaState *env,
abi_ulong frame_addr, target_sigset_t *set)
{
int i, err = 0;
return err;
}
-static int restore_sigcontext(CPUState *env, struct target_sigcontext *sc)
+static int restore_sigcontext(CPUAlphaState *env,
+ struct target_sigcontext *sc)
{
uint64_t fpcr;
int i, err = 0;
}
static inline abi_ulong get_sigframe(struct target_sigaction *sa,
- CPUState *env, unsigned long framesize)
+ CPUAlphaState *env,
+ unsigned long framesize)
{
abi_ulong sp = env->ir[IR_SP];
}
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUAlphaState *env)
{
abi_ulong frame_addr, r26;
struct target_sigframe *frame;
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUAlphaState *env)
{
abi_ulong frame_addr, r26;
struct target_rt_sigframe *frame;
env->ir[IR_SP] = frame_addr;
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUAlphaState *env)
{
struct target_sigcontext *sc;
abi_ulong sc_addr = env->ir[IR_A0];
force_sig(TARGET_SIGSEGV);
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUAlphaState *env)
{
abi_ulong frame_addr = env->ir[IR_A0];
struct target_rt_sigframe *frame;
#else
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUArchState *env)
{
fprintf(stderr, "setup_frame: not implemented\n");
}
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUArchState *env)
{
fprintf(stderr, "setup_rt_frame: not implemented\n");
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUArchState *env)
{
fprintf(stderr, "do_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUArchState *env)
{
fprintf(stderr, "do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
#endif
-void process_pending_signals(CPUState *cpu_env)
+void process_pending_signals(CPUArchState *cpu_env)
{
int sig;
abi_ulong handler;
}
#endif
/* prepare the stack frame of the virtual CPU */
+#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
+ /* These targets do not have traditional signals. */
+ setup_rt_frame(sig, sa, &q->info, &target_old_set, cpu_env);
+#else
if (sa->sa_flags & TARGET_SA_SIGINFO)
setup_rt_frame(sig, sa, &q->info, &target_old_set, cpu_env);
else
setup_frame(sig, sa, &target_old_set, cpu_env);
+#endif
if (sa->sa_flags & TARGET_SA_RESETHAND)
sa->_sa_handler = TARGET_SIG_DFL;
}
projects / qemu.git / blobdiff