#include <string.h>
#include <stdarg.h>
#include <unistd.h>
-#include <signal.h>
#include <errno.h>
#include <assert.h>
#include <sys/ucontext.h>
[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);
}
if (sig == SIGILL || sig == SIGFPE || sig == SIGSEGV ||
sig == SIGBUS || sig == SIGTRAP) {
tinfo->_sifields._sigfault._addr =
- tswapl(info->_sifields._sigfault._addr);
+ tswapal(info->_sifields._sigfault._addr);
} else if (sig == SIGIO) {
tinfo->_sifields._sigpoll._fd = tswap32(info->_sifields._sigpoll._fd);
} 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);
+ 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;
target_sig, strsignal(host_sig), "core dumped" );
}
- /* The proper exit code for dieing from an uncaught signal is
+ /* The proper exit code for dying from an uncaught signal is
* -<signal>. The kernel doesn't allow exit() or _exit() to pass
* a negative value. To get the proper exit code we need to
* actually die from an uncaught signal. Here the default signal
/* 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);
+ oact->_sa_handler = tswapal(k->_sa_handler);
+#if defined(TARGET_MIPS) || defined (TARGET_ALPHA)
+ oact->sa_flags = bswap32(k->sa_flags);
+#else
+ oact->sa_flags = tswapal(k->sa_flags);
+#endif
#if !defined(TARGET_MIPS)
- oact->sa_restorer = tswapl(k->sa_restorer);
+ oact->sa_restorer = tswapal(k->sa_restorer);
#endif
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);
+ k->_sa_handler = tswapal(act->_sa_handler);
+#if defined(TARGET_MIPS) || defined (TARGET_ALPHA)
+ k->sa_flags = bswap32(act->sa_flags);
+#else
+ k->sa_flags = tswapal(act->sa_flags);
+#endif
#if !defined(TARGET_MIPS)
- k->sa_restorer = tswapl(act->sa_restorer);
+ k->sa_restorer = tswapal(act->sa_restorer);
#endif
k->sa_mask = act->sa_mask;
env->regs[R_ECX] = tswapl(sc->ecx);
env->eip = tswapl(sc->eip);
- cpu_x86_load_seg(env, R_CS, lduw(&sc->cs) | 3);
- cpu_x86_load_seg(env, R_SS, lduw(&sc->ss) | 3);
+ cpu_x86_load_seg(env, R_CS, lduw_p(&sc->cs) | 3);
+ cpu_x86_load_seg(env, R_SS, lduw_p(&sc->ss) | 3);
tmpflags = tswapl(sc->eflags);
env->eflags = (env->eflags & ~0x40DD5) | (tmpflags & 0x40DD5);
#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;
__put_user(TARGET_VFP_MAGIC, &vfpframe->magic);
__put_user(sizeof(*vfpframe), &vfpframe->size);
for (i = 0; i < 32; i++) {
- __put_user(env->vfp.regs[i], &vfpframe->ufp.fpregs[i]);
+ __put_user(float64_val(env->vfp.regs[i]), &vfpframe->ufp.fpregs[i]);
}
__put_user(vfp_get_fpscr(env), &vfpframe->ufp.fpscr);
__put_user(env->vfp.xregs[ARM_VFP_FPEXC], &vfpframe->ufp_exc.fpexc);
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 0;
}
for (i = 0; i < 32; i++) {
- __get_user(env->vfp.regs[i], &vfpframe->ufp.fpregs[i]);
+ __get_user(float64_val(env->vfp.regs[i]), &vfpframe->ufp.fpregs[i]);
}
__get_user(fpscr, &vfpframe->ufp.fpscr);
vfp_set_fpscr(env, fpscr);
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;
uint32_t up_psr, pc, npc;
target_sigset_t set;
sigset_t host_set;
- abi_ulong fpu_save_addr;
int err, i;
sf_addr = env->regwptr[UREG_FP];
err |= __get_user(env->regwptr[i + UREG_I0], &sf->info.si_regs.u_regs[i+8]);
}
- err |= __get_user(fpu_save_addr, &sf->fpu_save);
-
- //if (fpu_save)
- // err |= restore_fpu_state(env, fpu_save);
+ /* FIXME: implement FPU save/restore:
+ * __get_user(fpu_save, &sf->fpu_save);
+ * if (fpu_save)
+ * err |= restore_fpu_state(env, fpu_save);
+ */
/* This is pretty much atomic, no amount locking would prevent
* the races which exist anyways.
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;
target_mc_gregset_t *grp;
abi_ulong pc, npc, tstate;
abi_ulong fp, i7, w_addr;
- unsigned char fenab;
int err;
unsigned int i;
if (put_user(i7, w_addr + offsetof(struct target_reg_window, ins[7]),
abi_ulong) != 0)
goto do_sigsegv;
- err |= __get_user(fenab, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_enab));
+ /* FIXME this does not match how the kernel handles the FPU in
+ * its sparc64_set_context implementation. In particular the FPU
+ * is only restored if fenab is non-zero in:
+ * __get_user(fenab, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_enab));
+ */
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));
# warning signal handling not implemented
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUMIPSState *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, CPUMIPSState *env)
{
fprintf(stderr, "setup_rt_frame: not implemented\n");
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUMIPSState *env)
{
fprintf(stderr, "do_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUMIPSState *env)
{
fprintf(stderr, "do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
# warning signal handling not implemented
static void setup_frame(int sig, struct target_sigaction *ka,
- target_sigset_t *set, CPUState *env)
+ target_sigset_t *set, CPUMIPSState *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, CPUMIPSState *env)
{
fprintf(stderr, "setup_rt_frame: not implemented\n");
}
-long do_sigreturn(CPUState *env)
+long do_sigreturn(CPUMIPSState *env)
{
fprintf(stderr, "do_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
-long do_rt_sigreturn(CPUState *env)
+long do_rt_sigreturn(CPUMIPSState *env)
{
fprintf(stderr, "do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
static inline int
-setup_sigcontext(CPUState *regs, struct target_sigcontext *sc)
+setup_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc)
{
int err = 0;
}
static inline int
-restore_sigcontext(CPUState *regs, struct target_sigcontext *sc)
+restore_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc)
{
int err = 0;
* 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.
*/
/* 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;
return;
}
-long do_sigreturn(CPUState *regs)
+long do_sigreturn(CPUMIPSState *regs)
{
struct 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, 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
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;
goto give_sigsegv;
/* Set up registers for signal handler */
- regs->gregs[15] = (unsigned long) frame;
+ regs->gregs[15] = frame_addr;
regs->gregs[4] = signal; /* Arg for signal handler */
regs->gregs[5] = 0;
- regs->gregs[6] = (unsigned long) &frame->sc;
+ regs->gregs[6] = frame_addr += offsetof(typeof(*frame), sc);
regs->pc = (unsigned long) ka->_sa_handler;
unlock_user_struct(frame, frame_addr, 1);
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;
goto give_sigsegv;
/* Set up registers for signal handler */
- regs->gregs[15] = (unsigned long) frame;
+ regs->gregs[15] = frame_addr;
regs->gregs[4] = signal; /* Arg for signal handler */
- regs->gregs[5] = (unsigned long) &frame->info;
- regs->gregs[6] = (unsigned long) &frame->uc;
+ regs->gregs[5] = frame_addr + offsetof(typeof(*frame), info);
+ regs->gregs[6] = frame_addr + offsetof(typeof(*frame), uc);
regs->pc = (unsigned long) ka->_sa_handler;
unlock_user_struct(frame, frame_addr, 1);
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;
goto badframe;
/* Set up registers for signal handler */
- env->regs[1] = (unsigned long) frame;
+ env->regs[1] = frame_addr;
/* Signal handler args: */
env->regs[5] = sig; /* Arg 0: signum */
env->regs[6] = 0;
- env->regs[7] = (unsigned long) &frame->uc; /* arg 1: sigcontext */
+ /* arg 1: sigcontext */
+ env->regs[7] = frame_addr += offsetof(typeof(*frame), uc);
/* Offset of 4 to handle microblaze rtid r14, 0 */
env->sregs[SR_PC] = (unsigned long)ka->_sa_handler;
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;
setup_sigcontext(&frame->sc, env);
/* Move the stack and setup the arguments for the handler. */
- env->regs[R_SP] = (uint32_t) (unsigned long) frame;
+ env->regs[R_SP] = frame_addr;
env->regs[10] = sig;
env->pc = (unsigned long) ka->_sa_handler;
/* Link SRP so the guest returns through the trampoline. */
- env->pregs[PR_SRP] = (uint32_t) (unsigned long) &frame->retcode[0];
+ env->pregs[PR_SRP] = frame_addr + offsetof(typeof(*frame), retcode);
unlock_user_struct(frame, frame_addr, 1);
return;
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
+#define __NUM_FPRS 16
+#define __NUM_ACRS 16
+
+#define S390_SYSCALL_SIZE 2
+#define __SIGNAL_FRAMESIZE 160 /* FIXME: 31-bit mode -> 96 */
+
+#define _SIGCONTEXT_NSIG 64
+#define _SIGCONTEXT_NSIG_BPW 64 /* FIXME: 31-bit mode -> 32 */
+#define _SIGCONTEXT_NSIG_WORDS (_SIGCONTEXT_NSIG / _SIGCONTEXT_NSIG_BPW)
+#define _SIGMASK_COPY_SIZE (sizeof(unsigned long)*_SIGCONTEXT_NSIG_WORDS)
+#define PSW_ADDR_AMODE 0x0000000000000000UL /* 0x80000000UL for 31-bit */
+#define S390_SYSCALL_OPCODE ((uint16_t)0x0a00)
+
+typedef struct {
+ target_psw_t psw;
+ target_ulong gprs[__NUM_GPRS];
+ unsigned int acrs[__NUM_ACRS];
+} target_s390_regs_common;
+
+typedef struct {
+ unsigned int fpc;
+ double fprs[__NUM_FPRS];
+} target_s390_fp_regs;
+
+typedef struct {
+ target_s390_regs_common regs;
+ target_s390_fp_regs fpregs;
+} target_sigregs;
+
+struct target_sigcontext {
+ target_ulong oldmask[_SIGCONTEXT_NSIG_WORDS];
+ target_sigregs *sregs;
+};
+
+typedef struct {
+ uint8_t callee_used_stack[__SIGNAL_FRAMESIZE];
+ struct target_sigcontext sc;
+ target_sigregs sregs;
+ int signo;
+ uint8_t retcode[S390_SYSCALL_SIZE];
+} sigframe;
+
+struct target_ucontext {
+ target_ulong tuc_flags;
+ struct target_ucontext *tuc_link;
+ target_stack_t tuc_stack;
+ target_sigregs tuc_mcontext;
+ target_sigset_t tuc_sigmask; /* mask last for extensibility */
+};
+
+typedef struct {
+ uint8_t callee_used_stack[__SIGNAL_FRAMESIZE];
+ uint8_t retcode[S390_SYSCALL_SIZE];
+ struct target_siginfo info;
+ struct target_ucontext uc;
+} rt_sigframe;
+
+static inline abi_ulong
+get_sigframe(struct target_sigaction *ka, CPUS390XState *env, size_t frame_size)
+{
+ abi_ulong sp;
+
+ /* Default to using normal stack */
+ sp = env->regs[15];
+
+ /* This is the X/Open sanctioned signal stack switching. */
+ if (ka->sa_flags & TARGET_SA_ONSTACK) {
+ if (!sas_ss_flags(sp)) {
+ sp = target_sigaltstack_used.ss_sp +
+ target_sigaltstack_used.ss_size;
+ }
+ }
+
+ /* This is the legacy signal stack switching. */
+ else if (/* FIXME !user_mode(regs) */ 0 &&
+ !(ka->sa_flags & TARGET_SA_RESTORER) &&
+ ka->sa_restorer) {
+ sp = (abi_ulong) ka->sa_restorer;
+ }
+
+ return (sp - frame_size) & -8ul;
+}
+
+static void save_sigregs(CPUS390XState *env, target_sigregs *sregs)
+{
+ int i;
+ //save_access_regs(current->thread.acrs); FIXME
+
+ /* Copy a 'clean' PSW mask to the user to avoid leaking
+ information about whether PER is currently on. */
+ __put_user(env->psw.mask, &sregs->regs.psw.mask);
+ __put_user(env->psw.addr, &sregs->regs.psw.addr);
+ for (i = 0; i < 16; i++) {
+ __put_user(env->regs[i], &sregs->regs.gprs[i]);
+ }
+ for (i = 0; i < 16; i++) {
+ __put_user(env->aregs[i], &sregs->regs.acrs[i]);
+ }
+ /*
+ * We have to store the fp registers to current->thread.fp_regs
+ * to merge them with the emulated registers.
+ */
+ //save_fp_regs(¤t->thread.fp_regs); FIXME
+ for (i = 0; i < 16; i++) {
+ __put_user(env->fregs[i].ll, &sregs->fpregs.fprs[i]);
+ }
+}
+
+static void setup_frame(int sig, struct target_sigaction *ka,
+ target_sigset_t *set, CPUS390XState *env)
+{
+ sigframe *frame;
+ abi_ulong frame_addr;
+
+ frame_addr = get_sigframe(ka, env, sizeof(*frame));
+ qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__,
+ (unsigned long long)frame_addr);
+ if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {
+ goto give_sigsegv;
+ }
+
+ qemu_log("%s: 1\n", __FUNCTION__);
+ if (__put_user(set->sig[0], &frame->sc.oldmask[0])) {
+ goto give_sigsegv;
+ }
+
+ save_sigregs(env, &frame->sregs);
+
+ __put_user((abi_ulong)(unsigned long)&frame->sregs,
+ (abi_ulong *)&frame->sc.sregs);
+
+ /* Set up to return from userspace. If provided, use a stub
+ already in userspace. */
+ if (ka->sa_flags & TARGET_SA_RESTORER) {
+ env->regs[14] = (unsigned long)
+ ka->sa_restorer | PSW_ADDR_AMODE;
+ } else {
+ env->regs[14] = (unsigned long)
+ frame->retcode | PSW_ADDR_AMODE;
+ if (__put_user(S390_SYSCALL_OPCODE | TARGET_NR_sigreturn,
+ (uint16_t *)(frame->retcode)))
+ goto give_sigsegv;
+ }
+
+ /* Set up backchain. */
+ if (__put_user(env->regs[15], (abi_ulong *) frame)) {
+ goto give_sigsegv;
+ }
+
+ /* Set up registers for signal handler */
+ env->regs[15] = frame_addr;
+ env->psw.addr = (target_ulong) ka->_sa_handler | PSW_ADDR_AMODE;
+
+ env->regs[2] = sig; //map_signal(sig);
+ env->regs[3] = frame_addr += offsetof(typeof(*frame), sc);
+
+ /* We forgot to include these in the sigcontext.
+ To avoid breaking binary compatibility, they are passed as args. */
+ env->regs[4] = 0; // FIXME: no clue... current->thread.trap_no;
+ env->regs[5] = 0; // FIXME: no clue... current->thread.prot_addr;
+
+ /* Place signal number on stack to allow backtrace from handler. */
+ if (__put_user(env->regs[2], (int *) &frame->signo)) {
+ goto give_sigsegv;
+ }
+ unlock_user_struct(frame, frame_addr, 1);
+ return;
+
+give_sigsegv:
+ qemu_log("%s: give_sigsegv\n", __FUNCTION__);
+ unlock_user_struct(frame, frame_addr, 1);
+ force_sig(TARGET_SIGSEGV);
+}
+
+static void setup_rt_frame(int sig, struct target_sigaction *ka,
+ target_siginfo_t *info,
+ target_sigset_t *set, CPUS390XState *env)
+{
+ int i;
+ rt_sigframe *frame;
+ abi_ulong frame_addr;
+
+ frame_addr = get_sigframe(ka, env, sizeof *frame);
+ qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__,
+ (unsigned long long)frame_addr);
+ if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {
+ goto give_sigsegv;
+ }
+
+ qemu_log("%s: 1\n", __FUNCTION__);
+ if (copy_siginfo_to_user(&frame->info, info)) {
+ goto give_sigsegv;
+ }
+
+ /* Create the ucontext. */
+ __put_user(0, &frame->uc.tuc_flags);
+ __put_user((abi_ulong)0, (abi_ulong *)&frame->uc.tuc_link);
+ __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);
+ save_sigregs(env, &frame->uc.tuc_mcontext);
+ for (i = 0; i < TARGET_NSIG_WORDS; i++) {
+ __put_user((abi_ulong)set->sig[i],
+ (abi_ulong *)&frame->uc.tuc_sigmask.sig[i]);
+ }
+
+ /* Set up to return from userspace. If provided, use a stub
+ already in userspace. */
+ if (ka->sa_flags & TARGET_SA_RESTORER) {
+ env->regs[14] = (unsigned long) ka->sa_restorer | PSW_ADDR_AMODE;
+ } else {
+ env->regs[14] = (unsigned long) frame->retcode | PSW_ADDR_AMODE;
+ if (__put_user(S390_SYSCALL_OPCODE | TARGET_NR_rt_sigreturn,
+ (uint16_t *)(frame->retcode))) {
+ goto give_sigsegv;
+ }
+ }
+
+ /* Set up backchain. */
+ if (__put_user(env->regs[15], (abi_ulong *) frame)) {
+ goto give_sigsegv;
+ }
+
+ /* Set up registers for signal handler */
+ env->regs[15] = frame_addr;
+ env->psw.addr = (target_ulong) ka->_sa_handler | PSW_ADDR_AMODE;
+
+ env->regs[2] = sig; //map_signal(sig);
+ env->regs[3] = frame_addr + offsetof(typeof(*frame), info);
+ env->regs[4] = frame_addr + offsetof(typeof(*frame), uc);
+ return;
+
+give_sigsegv:
+ qemu_log("%s: give_sigsegv\n", __FUNCTION__);
+ unlock_user_struct(frame, frame_addr, 1);
+ force_sig(TARGET_SIGSEGV);
+}
+
+static int
+restore_sigregs(CPUS390XState *env, target_sigregs *sc)
+{
+ int err = 0;
+ int i;
+
+ for (i = 0; i < 16; i++) {
+ err |= __get_user(env->regs[i], &sc->regs.gprs[i]);
+ }
+
+ err |= __get_user(env->psw.mask, &sc->regs.psw.mask);
+ qemu_log("%s: sc->regs.psw.addr 0x%llx env->psw.addr 0x%llx\n",
+ __FUNCTION__, (unsigned long long)sc->regs.psw.addr,
+ (unsigned long long)env->psw.addr);
+ err |= __get_user(env->psw.addr, &sc->regs.psw.addr);
+ /* FIXME: 31-bit -> | PSW_ADDR_AMODE */
+
+ for (i = 0; i < 16; i++) {
+ err |= __get_user(env->aregs[i], &sc->regs.acrs[i]);
+ }
+ for (i = 0; i < 16; i++) {
+ err |= __get_user(env->fregs[i].ll, &sc->fpregs.fprs[i]);
+ }
+
+ return err;
+}
+
+long do_sigreturn(CPUS390XState *env)
+{
+ sigframe *frame;
+ abi_ulong frame_addr = env->regs[15];
+ qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__,
+ (unsigned long long)frame_addr);
+ target_sigset_t target_set;
+ sigset_t set;
+
+ if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {
+ goto badframe;
+ }
+ if (__get_user(target_set.sig[0], &frame->sc.oldmask[0])) {
+ goto badframe;
+ }
+
+ target_to_host_sigset_internal(&set, &target_set);
+ sigprocmask(SIG_SETMASK, &set, NULL); /* ~_BLOCKABLE? */
+
+ if (restore_sigregs(env, &frame->sregs)) {
+ goto badframe;
+ }
+
+ unlock_user_struct(frame, frame_addr, 0);
+ return env->regs[2];
+
+badframe:
+ unlock_user_struct(frame, frame_addr, 0);
+ force_sig(TARGET_SIGSEGV);
+ return 0;
+}
+
+long do_rt_sigreturn(CPUS390XState *env)
+{
+ rt_sigframe *frame;
+ abi_ulong frame_addr = env->regs[15];
+ qemu_log("%s: frame_addr 0x%llx\n", __FUNCTION__,
+ (unsigned long long)frame_addr);
+ sigset_t set;
+
+ if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {
+ goto badframe;
+ }
+ target_to_host_sigset(&set, &frame->uc.tuc_sigmask);
+
+ sigprocmask(SIG_SETMASK, &set, NULL); /* ~_BLOCKABLE? */
+
+ if (restore_sigregs(env, &frame->uc.tuc_mcontext)) {
+ goto badframe;
+ }
+
+ if (do_sigaltstack(frame_addr + offsetof(rt_sigframe, uc.tuc_stack), 0,
+ get_sp_from_cpustate(env)) == -EFAULT) {
+ goto badframe;
+ }
+ unlock_user_struct(frame, frame_addr, 0);
+ return env->regs[2];
+
+badframe:
+ unlock_user_struct(frame, frame_addr, 0);
+ force_sig(TARGET_SIGSEGV);
+ return 0;
+}
+
#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
/* FIXME: Many of the structures are defined for both PPC and PPC64, but
/* 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;
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;
projects / sdk / emulator / qemu.git / blobdiff