#include <stdarg.h>
#include <unistd.h>
#include <errno.h>
-#include <assert.h>
#include <sys/ucontext.h>
#include <sys/resource.h>
#include "qemu.h"
#include "qemu-common.h"
#include "target_signal.h"
-
-//#define DEBUG_SIGNAL
+#include "trace.h"
static struct target_sigaltstack target_sigaltstack_used = {
.ss_sp = 0,
TaskState *ts = (TaskState *)cpu->opaque;
int host_sig, core_dumped = 0;
struct sigaction act;
+
host_sig = target_to_host_signal(target_sig);
+ trace_user_force_sig(env, target_sig, host_sig);
gdb_signalled(env, target_sig);
/* dump core if supported by target binary format */
abi_ulong handler;
int queue;
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "queue_signal: sig=%d\n",
- sig);
-#endif
+ trace_user_queue_signal(env, sig);
k = &ts->sigtab[sig - 1];
queue = gdb_queuesig ();
handler = sigact_table[sig - 1]._sa_handler;
sig = host_to_target_signal(host_signum);
if (sig < 1 || sig > TARGET_NSIG)
return;
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "qemu: got signal %d\n", sig);
-#endif
+ trace_user_host_signal(env, host_signum, sig);
host_to_target_siginfo_noswap(&tinfo, info);
if (queue_signal(env, sig, &tinfo) == 1) {
/* interrupt the virtual CPU as soon as possible */
{
struct target_sigaltstack *uss;
struct target_sigaltstack ss;
+ size_t minstacksize = TARGET_MINSIGSTKSZ;
+
+#if defined(TARGET_PPC64)
+ /* ELF V2 for PPC64 has a 4K minimum stack size for signal handlers */
+ struct image_info *image = ((TaskState *)thread_cpu->opaque)->info;
+ if (get_ppc64_abi(image) > 1) {
+ minstacksize = 4096;
+ }
+#endif
ret = -TARGET_EFAULT;
- if (!lock_user_struct(VERIFY_READ, uss, uss_addr, 1)
- || __get_user(ss.ss_sp, &uss->ss_sp)
- || __get_user(ss.ss_size, &uss->ss_size)
- || __get_user(ss.ss_flags, &uss->ss_flags))
+ if (!lock_user_struct(VERIFY_READ, uss, uss_addr, 1)) {
goto out;
+ }
+ __get_user(ss.ss_sp, &uss->ss_sp);
+ __get_user(ss.ss_size, &uss->ss_size);
+ __get_user(ss.ss_flags, &uss->ss_flags);
unlock_user_struct(uss, uss_addr, 0);
ret = -TARGET_EPERM;
ss.ss_sp = 0;
} else {
ret = -TARGET_ENOMEM;
- if (ss.ss_size < MINSIGSTKSZ)
+ if (ss.ss_size < minstacksize) {
goto out;
+ }
}
target_sigaltstack_used.ss_sp = ss.ss_sp;
if (sig < 1 || sig > TARGET_NSIG || sig == TARGET_SIGKILL || sig == TARGET_SIGSTOP)
return -EINVAL;
k = &sigact_table[sig - 1];
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "sigaction sig=%d act=0x%p, oact=0x%p\n",
- sig, act, oact);
-#endif
if (oact) {
__put_user(k->_sa_handler, &oact->_sa_handler);
__put_user(k->sa_flags, &oact->sa_flags);
return ret;
}
-static inline int copy_siginfo_to_user(target_siginfo_t *tinfo,
- const target_siginfo_t *info)
-{
- tswap_siginfo(tinfo, info);
- return 0;
-}
-
-static inline int current_exec_domain_sig(int sig)
-{
- return /* current->exec_domain && current->exec_domain->signal_invmap
- && sig < 32 ? current->exec_domain->signal_invmap[sig] : */ sig;
-}
-
#if defined(TARGET_I386) && TARGET_ABI_BITS == 32
/* from the Linux kernel */
*/
/* XXX: save x87 state */
-static int
-setup_sigcontext(struct target_sigcontext *sc, struct target_fpstate *fpstate,
- CPUX86State *env, abi_ulong mask, abi_ulong fpstate_addr)
+static void setup_sigcontext(struct target_sigcontext *sc,
+ struct target_fpstate *fpstate, CPUX86State *env, abi_ulong mask,
+ abi_ulong fpstate_addr)
{
CPUState *cs = CPU(x86_env_get_cpu(env));
- int err = 0;
uint16_t magic;
/* already locked in setup_frame() */
- err |= __put_user(env->segs[R_GS].selector, (unsigned int *)&sc->gs);
- err |= __put_user(env->segs[R_FS].selector, (unsigned int *)&sc->fs);
- err |= __put_user(env->segs[R_ES].selector, (unsigned int *)&sc->es);
- err |= __put_user(env->segs[R_DS].selector, (unsigned int *)&sc->ds);
- err |= __put_user(env->regs[R_EDI], &sc->edi);
- err |= __put_user(env->regs[R_ESI], &sc->esi);
- err |= __put_user(env->regs[R_EBP], &sc->ebp);
- err |= __put_user(env->regs[R_ESP], &sc->esp);
- err |= __put_user(env->regs[R_EBX], &sc->ebx);
- err |= __put_user(env->regs[R_EDX], &sc->edx);
- err |= __put_user(env->regs[R_ECX], &sc->ecx);
- err |= __put_user(env->regs[R_EAX], &sc->eax);
- err |= __put_user(cs->exception_index, &sc->trapno);
- err |= __put_user(env->error_code, &sc->err);
- err |= __put_user(env->eip, &sc->eip);
- err |= __put_user(env->segs[R_CS].selector, (unsigned int *)&sc->cs);
- err |= __put_user(env->eflags, &sc->eflags);
- err |= __put_user(env->regs[R_ESP], &sc->esp_at_signal);
- err |= __put_user(env->segs[R_SS].selector, (unsigned int *)&sc->ss);
+ __put_user(env->segs[R_GS].selector, (unsigned int *)&sc->gs);
+ __put_user(env->segs[R_FS].selector, (unsigned int *)&sc->fs);
+ __put_user(env->segs[R_ES].selector, (unsigned int *)&sc->es);
+ __put_user(env->segs[R_DS].selector, (unsigned int *)&sc->ds);
+ __put_user(env->regs[R_EDI], &sc->edi);
+ __put_user(env->regs[R_ESI], &sc->esi);
+ __put_user(env->regs[R_EBP], &sc->ebp);
+ __put_user(env->regs[R_ESP], &sc->esp);
+ __put_user(env->regs[R_EBX], &sc->ebx);
+ __put_user(env->regs[R_EDX], &sc->edx);
+ __put_user(env->regs[R_ECX], &sc->ecx);
+ __put_user(env->regs[R_EAX], &sc->eax);
+ __put_user(cs->exception_index, &sc->trapno);
+ __put_user(env->error_code, &sc->err);
+ __put_user(env->eip, &sc->eip);
+ __put_user(env->segs[R_CS].selector, (unsigned int *)&sc->cs);
+ __put_user(env->eflags, &sc->eflags);
+ __put_user(env->regs[R_ESP], &sc->esp_at_signal);
+ __put_user(env->segs[R_SS].selector, (unsigned int *)&sc->ss);
cpu_x86_fsave(env, fpstate_addr, 1);
fpstate->status = fpstate->sw;
magic = 0xffff;
- err |= __put_user(magic, &fpstate->magic);
- err |= __put_user(fpstate_addr, &sc->fpstate);
+ __put_user(magic, &fpstate->magic);
+ __put_user(fpstate_addr, &sc->fpstate);
/* non-iBCS2 extensions.. */
- err |= __put_user(mask, &sc->oldmask);
- err |= __put_user(env->cr[2], &sc->cr2);
- return err;
+ __put_user(mask, &sc->oldmask);
+ __put_user(env->cr[2], &sc->cr2);
}
/*
{
abi_ulong frame_addr;
struct sigframe *frame;
- int i, err = 0;
+ int i;
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;
- err |= __put_user(current_exec_domain_sig(sig),
- &frame->sig);
- if (err)
- goto give_sigsegv;
+ __put_user(sig, &frame->sig);
setup_sigcontext(&frame->sc, &frame->fpstate, env, set->sig[0],
frame_addr + offsetof(struct sigframe, fpstate));
- if (err)
- goto give_sigsegv;
- for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->extramask[i - 1]))
- goto give_sigsegv;
- }
+ for(i = 1; i < TARGET_NSIG_WORDS; i++) {
+ __put_user(set->sig[i], &frame->extramask[i - 1]);
+ }
/* Set up to return from userspace. If provided, use a stub
already in userspace. */
if (ka->sa_flags & TARGET_SA_RESTORER) {
- err |= __put_user(ka->sa_restorer, &frame->pretcode);
+ __put_user(ka->sa_restorer, &frame->pretcode);
} else {
uint16_t val16;
abi_ulong retcode_addr;
retcode_addr = frame_addr + offsetof(struct sigframe, retcode);
- err |= __put_user(retcode_addr, &frame->pretcode);
+ __put_user(retcode_addr, &frame->pretcode);
/* This is popl %eax ; movl $,%eax ; int $0x80 */
val16 = 0xb858;
- err |= __put_user(val16, (uint16_t *)(frame->retcode+0));
- err |= __put_user(TARGET_NR_sigreturn, (int *)(frame->retcode+2));
+ __put_user(val16, (uint16_t *)(frame->retcode+0));
+ __put_user(TARGET_NR_sigreturn, (int *)(frame->retcode+2));
val16 = 0x80cd;
- err |= __put_user(val16, (uint16_t *)(frame->retcode+6));
+ __put_user(val16, (uint16_t *)(frame->retcode+6));
}
- if (err)
- goto give_sigsegv;
/* Set up registers for signal handler */
env->regs[R_ESP] = frame_addr;
return;
give_sigsegv:
- unlock_user_struct(frame, frame_addr, 1);
if (sig == TARGET_SIGSEGV)
ka->_sa_handler = TARGET_SIG_DFL;
force_sig(TARGET_SIGSEGV /* , current */);
{
abi_ulong frame_addr, addr;
struct rt_sigframe *frame;
- int i, err = 0;
+ int i;
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;
- err |= __put_user(current_exec_domain_sig(sig),
- &frame->sig);
+ __put_user(sig, &frame->sig);
addr = frame_addr + offsetof(struct rt_sigframe, info);
- err |= __put_user(addr, &frame->pinfo);
+ __put_user(addr, &frame->pinfo);
addr = frame_addr + offsetof(struct rt_sigframe, uc);
- err |= __put_user(addr, &frame->puc);
- err |= copy_siginfo_to_user(&frame->info, info);
- if (err)
- goto give_sigsegv;
+ __put_user(addr, &frame->puc);
+ tswap_siginfo(&frame->info, info);
/* Create the ucontext. */
- 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(get_sp_from_cpustate(env)),
- &frame->uc.tuc_stack.ss_flags);
- err |= __put_user(target_sigaltstack_used.ss_size,
- &frame->uc.tuc_stack.ss_size);
- err |= setup_sigcontext(&frame->uc.tuc_mcontext, &frame->fpstate,
- env, set->sig[0],
- frame_addr + offsetof(struct rt_sigframe, fpstate));
- for(i = 0; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]))
- goto give_sigsegv;
- }
+ __put_user(0, &frame->uc.tuc_flags);
+ __put_user(0, &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);
+ setup_sigcontext(&frame->uc.tuc_mcontext, &frame->fpstate, env,
+ set->sig[0], frame_addr + offsetof(struct rt_sigframe, fpstate));
+
+ for(i = 0; i < TARGET_NSIG_WORDS; i++) {
+ __put_user(set->sig[i], &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) {
- err |= __put_user(ka->sa_restorer, &frame->pretcode);
+ __put_user(ka->sa_restorer, &frame->pretcode);
} else {
uint16_t val16;
addr = frame_addr + offsetof(struct rt_sigframe, retcode);
- err |= __put_user(addr, &frame->pretcode);
+ __put_user(addr, &frame->pretcode);
/* This is movl $,%eax ; int $0x80 */
- err |= __put_user(0xb8, (char *)(frame->retcode+0));
- err |= __put_user(TARGET_NR_rt_sigreturn, (int *)(frame->retcode+1));
+ __put_user(0xb8, (char *)(frame->retcode+0));
+ __put_user(TARGET_NR_rt_sigreturn, (int *)(frame->retcode+1));
val16 = 0x80cd;
- err |= __put_user(val16, (uint16_t *)(frame->retcode+5));
+ __put_user(val16, (uint16_t *)(frame->retcode+5));
}
- if (err)
- goto give_sigsegv;
-
/* Set up registers for signal handler */
env->regs[R_ESP] = frame_addr;
env->eip = ka->_sa_handler;
return;
give_sigsegv:
- unlock_user_struct(frame, frame_addr, 1);
if (sig == TARGET_SIGSEGV)
ka->_sa_handler = TARGET_SIG_DFL;
force_sig(TARGET_SIGSEGV /* , current */);
sigset_t set;
int eax, i;
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "do_sigreturn\n");
-#endif
+ trace_user_do_sigreturn(env, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
/* set blocked signals */
- if (__get_user(target_set.sig[0], &frame->sc.oldmask))
- goto badframe;
+ __get_user(target_set.sig[0], &frame->sc.oldmask);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__get_user(target_set.sig[i], &frame->extramask[i - 1]))
- goto badframe;
+ __get_user(target_set.sig[i], &frame->extramask[i - 1]);
}
target_to_host_sigset_internal(&set, &target_set);
int eax;
frame_addr = env->regs[R_ESP] - 4;
+ 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);
/*
* This is the X/Open sanctioned signal stack switching.
*/
- if ((ka->sa_flags & SA_ONSTACK) && !sas_ss_flags(sp)) {
+ if ((ka->sa_flags & TARGET_SA_ONSTACK) && !sas_ss_flags(sp)) {
sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
}
abi_ulong frame_addr, return_addr;
frame_addr = get_sigframe(ka, env);
+ trace_user_setup_frame(env, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0)) {
goto give_sigsegv;
}
env->pc = ka->_sa_handler;
env->xregs[30] = return_addr;
if (info) {
- if (copy_siginfo_to_user(&frame->info, info)) {
- goto give_sigsegv;
- }
+ tswap_siginfo(&frame->info, info);
env->xregs[1] = frame_addr + offsetof(struct target_rt_sigframe, info);
env->xregs[2] = frame_addr + offsetof(struct target_rt_sigframe, uc);
}
struct target_rt_sigframe *frame = NULL;
abi_ulong frame_addr = env->xregs[31];
+ trace_user_do_rt_sigreturn(env, frame_addr);
if (frame_addr & 15) {
goto badframe;
}
};
-#define __get_user_error(x,p,e) __get_user(x, p)
-
static inline int valid_user_regs(CPUARMState *regs)
{
return 1;
return (sp - framesize) & ~7;
}
-static int
+static void
setup_return(CPUARMState *env, struct target_sigaction *ka,
abi_ulong *rc, abi_ulong frame_addr, int usig, abi_ulong rc_addr)
{
if (ka->sa_flags & TARGET_SA_SIGINFO)
idx += 2;
- if (__put_user(retcodes[idx], rc))
- return 1;
+ __put_user(retcodes[idx], rc);
retcode = rc_addr + thumb;
}
env->regs[14] = retcode;
env->regs[15] = handler & (thumb ? ~1 : ~3);
cpsr_write(env, cpsr, 0xffffffff);
-
- return 0;
}
static abi_ulong *setup_sigframe_v2_vfp(abi_ulong *regspace, CPUARMState *env)
abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame));
int i;
+ trace_user_setup_frame(regs, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
return;
setup_sigcontext(&frame->sc, regs, set->sig[0]);
- for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->extramask[i - 1]))
- goto end;
- }
+ for(i = 1; i < TARGET_NSIG_WORDS; i++) {
+ __put_user(set->sig[i], &frame->extramask[i - 1]);
+ }
setup_return(regs, ka, &frame->retcode, frame_addr, usig,
frame_addr + offsetof(struct sigframe_v1, retcode));
-end:
unlock_user_struct(frame, frame_addr, 1);
}
struct sigframe_v2 *frame;
abi_ulong frame_addr = get_sigframe(ka, regs, sizeof(*frame));
+ trace_user_setup_frame(regs, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
return;
int i;
abi_ulong info_addr, uc_addr;
+ trace_user_setup_rt_frame(env, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
return /* 1 */;
__put_user(info_addr, &frame->pinfo);
uc_addr = frame_addr + offsetof(struct rt_sigframe_v1, uc);
__put_user(uc_addr, &frame->puc);
- copy_siginfo_to_user(&frame->info, info);
+ tswap_siginfo(&frame->info, info);
/* Clear all the bits of the ucontext we don't use. */
memset(&frame->uc, 0, offsetof(struct target_ucontext_v1, tuc_mcontext));
setup_sigcontext(&frame->uc.tuc_mcontext, env, set->sig[0]);
for(i = 0; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]))
- goto end;
+ __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
}
setup_return(env, ka, &frame->retcode, frame_addr, usig,
env->regs[1] = info_addr;
env->regs[2] = uc_addr;
-end:
unlock_user_struct(frame, frame_addr, 1);
}
abi_ulong frame_addr = get_sigframe(ka, env, sizeof(*frame));
abi_ulong info_addr, uc_addr;
+ trace_user_setup_rt_frame(env, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
return /* 1 */;
info_addr = frame_addr + offsetof(struct rt_sigframe_v2, info);
uc_addr = frame_addr + offsetof(struct rt_sigframe_v2, uc);
- copy_siginfo_to_user(&frame->info, info);
+ tswap_siginfo(&frame->info, info);
setup_sigframe_v2(&frame->uc, set, env);
int err = 0;
uint32_t cpsr;
- __get_user_error(env->regs[0], &sc->arm_r0, err);
- __get_user_error(env->regs[1], &sc->arm_r1, err);
- __get_user_error(env->regs[2], &sc->arm_r2, err);
- __get_user_error(env->regs[3], &sc->arm_r3, err);
- __get_user_error(env->regs[4], &sc->arm_r4, err);
- __get_user_error(env->regs[5], &sc->arm_r5, err);
- __get_user_error(env->regs[6], &sc->arm_r6, err);
- __get_user_error(env->regs[7], &sc->arm_r7, err);
- __get_user_error(env->regs[8], &sc->arm_r8, err);
- __get_user_error(env->regs[9], &sc->arm_r9, err);
- __get_user_error(env->regs[10], &sc->arm_r10, err);
- __get_user_error(env->regs[11], &sc->arm_fp, err);
- __get_user_error(env->regs[12], &sc->arm_ip, err);
- __get_user_error(env->regs[13], &sc->arm_sp, err);
- __get_user_error(env->regs[14], &sc->arm_lr, err);
- __get_user_error(env->regs[15], &sc->arm_pc, err);
+ __get_user(env->regs[0], &sc->arm_r0);
+ __get_user(env->regs[1], &sc->arm_r1);
+ __get_user(env->regs[2], &sc->arm_r2);
+ __get_user(env->regs[3], &sc->arm_r3);
+ __get_user(env->regs[4], &sc->arm_r4);
+ __get_user(env->regs[5], &sc->arm_r5);
+ __get_user(env->regs[6], &sc->arm_r6);
+ __get_user(env->regs[7], &sc->arm_r7);
+ __get_user(env->regs[8], &sc->arm_r8);
+ __get_user(env->regs[9], &sc->arm_r9);
+ __get_user(env->regs[10], &sc->arm_r10);
+ __get_user(env->regs[11], &sc->arm_fp);
+ __get_user(env->regs[12], &sc->arm_ip);
+ __get_user(env->regs[13], &sc->arm_sp);
+ __get_user(env->regs[14], &sc->arm_lr);
+ __get_user(env->regs[15], &sc->arm_pc);
#ifdef TARGET_CONFIG_CPU_32
- __get_user_error(cpsr, &sc->arm_cpsr, err);
+ __get_user(cpsr, &sc->arm_cpsr);
cpsr_write(env, cpsr, CPSR_USER | CPSR_EXEC);
#endif
* not, then the user is trying to mess with us.
*/
frame_addr = env->regs[13];
+ trace_user_do_sigreturn(env, frame_addr);
if (frame_addr & 7) {
goto badframe;
}
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
- if (__get_user(set.sig[0], &frame->sc.oldmask))
- goto badframe;
- for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__get_user(set.sig[i], &frame->extramask[i - 1]))
- goto badframe;
- }
+ __get_user(set.sig[0], &frame->sc.oldmask);
+ for(i = 1; i < TARGET_NSIG_WORDS; i++) {
+ __get_user(set.sig[i], &frame->extramask[i - 1]);
+ }
target_to_host_sigset_internal(&host_set, &set);
do_sigprocmask(SIG_SETMASK, &host_set, NULL);
return env->regs[0];
badframe:
- unlock_user_struct(frame, frame_addr, 0);
force_sig(TARGET_SIGSEGV /* , current */);
return 0;
}
* not, then the user is trying to mess with us.
*/
frame_addr = env->regs[13];
+ trace_user_do_sigreturn(env, frame_addr);
if (frame_addr & 7) {
goto badframe;
}
* not, then the user is trying to mess with us.
*/
frame_addr = env->regs[13];
+ trace_user_do_rt_sigreturn(env, frame_addr);
if (frame_addr & 7) {
goto badframe;
}
* not, then the user is trying to mess with us.
*/
frame_addr = env->regs[13];
+ trace_user_do_rt_sigreturn(env, frame_addr);
if (frame_addr & 7) {
goto badframe;
}
{
int err = 0, i;
- err |= __put_user(env->psr, &si->si_regs.psr);
- err |= __put_user(env->pc, &si->si_regs.pc);
- err |= __put_user(env->npc, &si->si_regs.npc);
- err |= __put_user(env->y, &si->si_regs.y);
+ __put_user(env->psr, &si->si_regs.psr);
+ __put_user(env->pc, &si->si_regs.pc);
+ __put_user(env->npc, &si->si_regs.npc);
+ __put_user(env->y, &si->si_regs.y);
for (i=0; i < 8; i++) {
- err |= __put_user(env->gregs[i], &si->si_regs.u_regs[i]);
+ __put_user(env->gregs[i], &si->si_regs.u_regs[i]);
}
for (i=0; i < 8; i++) {
- err |= __put_user(env->regwptr[UREG_I0 + i], &si->si_regs.u_regs[i+8]);
+ __put_user(env->regwptr[UREG_I0 + i], &si->si_regs.u_regs[i+8]);
}
- err |= __put_user(mask, &si->si_mask);
+ __put_user(mask, &si->si_mask);
return err;
}
{
int err = 0;
- err |= __put_user(mask, &sc->sigc_mask);
- err |= __put_user(env->regwptr[UREG_SP], &sc->sigc_sp);
- err |= __put_user(env->pc, &sc->sigc_pc);
- err |= __put_user(env->npc, &sc->sigc_npc);
- err |= __put_user(env->psr, &sc->sigc_psr);
- err |= __put_user(env->gregs[1], &sc->sigc_g1);
- err |= __put_user(env->regwptr[UREG_O0], &sc->sigc_o0);
+ __put_user(mask, &sc->sigc_mask);
+ __put_user(env->regwptr[UREG_SP], &sc->sigc_sp);
+ __put_user(env->pc, &sc->sigc_pc);
+ __put_user(env->npc, &sc->sigc_npc);
+ __put_user(env->psr, &sc->sigc_psr);
+ __put_user(env->gregs[1], &sc->sigc_g1);
+ __put_user(env->regwptr[UREG_O0], &sc->sigc_o0);
return err;
}
sigframe_size = NF_ALIGNEDSZ;
sf_addr = get_sigframe(ka, env, sigframe_size);
+ trace_user_setup_frame(env, sf_addr);
sf = lock_user(VERIFY_WRITE, sf_addr,
sizeof(struct target_signal_frame), 0);
if (!sf)
goto sigsegv;
- //fprintf(stderr, "sf: %x pc %x fp %x sp %x\n", sf, env->pc, env->regwptr[UREG_FP], env->regwptr[UREG_SP]);
#if 0
if (invalid_frame_pointer(sf, sigframe_size))
goto sigill_and_return;
#endif
/* 2. Save the current process state */
err = setup___siginfo(&sf->info, env, set->sig[0]);
- err |= __put_user(0, &sf->extra_size);
+ __put_user(0, &sf->extra_size);
- //err |= save_fpu_state(regs, &sf->fpu_state);
- //err |= __put_user(&sf->fpu_state, &sf->fpu_save);
+ //save_fpu_state(regs, &sf->fpu_state);
+ //__put_user(&sf->fpu_state, &sf->fpu_save);
- err |= __put_user(set->sig[0], &sf->info.si_mask);
+ __put_user(set->sig[0], &sf->info.si_mask);
for (i = 0; i < TARGET_NSIG_WORDS - 1; i++) {
- err |= __put_user(set->sig[i + 1], &sf->extramask[i]);
+ __put_user(set->sig[i + 1], &sf->extramask[i]);
}
for (i = 0; i < 8; i++) {
- err |= __put_user(env->regwptr[i + UREG_L0], &sf->ss.locals[i]);
+ __put_user(env->regwptr[i + UREG_L0], &sf->ss.locals[i]);
}
for (i = 0; i < 8; i++) {
- err |= __put_user(env->regwptr[i + UREG_I0], &sf->ss.ins[i]);
+ __put_user(env->regwptr[i + UREG_I0], &sf->ss.ins[i]);
}
if (err)
goto sigsegv;
/* mov __NR_sigreturn, %g1 */
val32 = 0x821020d8;
- err |= __put_user(val32, &sf->insns[0]);
+ __put_user(val32, &sf->insns[0]);
/* t 0x10 */
val32 = 0x91d02010;
- err |= __put_user(val32, &sf->insns[1]);
+ __put_user(val32, &sf->insns[1]);
if (err)
goto sigsegv;
/* Flush instruction space. */
//flush_sig_insns(current->mm, (unsigned long) &(sf->insns[0]));
- // tb_flush(env);
+ // tb_flush(CPU(sparc_env_get_cpu(env)));
}
unlock_user(sf, sf_addr, sizeof(struct target_signal_frame));
return;
force_sig(TARGET_SIGILL);
#endif
sigsegv:
- //fprintf(stderr, "force_sig\n");
unlock_user(sf, sf_addr, sizeof(struct target_signal_frame));
force_sig(TARGET_SIGSEGV);
}
-static inline int
-restore_fpu_state(CPUSPARCState *env, qemu_siginfo_fpu_t *fpu)
-{
- int err;
-#if 0
-#ifdef CONFIG_SMP
- if (current->flags & PF_USEDFPU)
- regs->psr &= ~PSR_EF;
-#else
- if (current == last_task_used_math) {
- last_task_used_math = 0;
- regs->psr &= ~PSR_EF;
- }
-#endif
- current->used_math = 1;
- current->flags &= ~PF_USEDFPU;
-#endif
-#if 0
- if (verify_area (VERIFY_READ, fpu, sizeof(*fpu)))
- return -EFAULT;
-#endif
-
- /* XXX: incorrect */
- 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);
- if (current->thread.fpqdepth != 0)
- err |= __copy_from_user(¤t->thread.fpqueue[0],
- &fpu->si_fpqueue[0],
- ((sizeof(unsigned long) +
- (sizeof(unsigned long *)))*16));
-#endif
- return err;
-}
-
static void setup_rt_frame(int sig, struct target_sigaction *ka,
target_siginfo_t *info,
uint32_t up_psr, pc, npc;
target_sigset_t set;
sigset_t host_set;
- int err, i;
+ int err=0, i;
sf_addr = env->regwptr[UREG_FP];
+ trace_user_do_sigreturn(env, sf_addr);
if (!lock_user_struct(VERIFY_READ, sf, sf_addr, 1))
goto segv_and_exit;
-#if 0
- fprintf(stderr, "sigreturn\n");
- fprintf(stderr, "sf: %x pc %x fp %x sp %x\n", sf, env->pc, env->regwptr[UREG_FP], env->regwptr[UREG_SP]);
-#endif
- //cpu_dump_state(env, stderr, fprintf, 0);
/* 1. Make sure we are not getting garbage from the user */
if (sf_addr & 3)
goto segv_and_exit;
- err = __get_user(pc, &sf->info.si_regs.pc);
- err |= __get_user(npc, &sf->info.si_regs.npc);
+ __get_user(pc, &sf->info.si_regs.pc);
+ __get_user(npc, &sf->info.si_regs.npc);
if ((pc | npc) & 3)
goto segv_and_exit;
/* 2. Restore the state */
- err |= __get_user(up_psr, &sf->info.si_regs.psr);
+ __get_user(up_psr, &sf->info.si_regs.psr);
/* User can only change condition codes and FPU enabling in %psr. */
env->psr = (up_psr & (PSR_ICC /* | PSR_EF */))
env->pc = pc;
env->npc = npc;
- err |= __get_user(env->y, &sf->info.si_regs.y);
+ __get_user(env->y, &sf->info.si_regs.y);
for (i=0; i < 8; i++) {
- err |= __get_user(env->gregs[i], &sf->info.si_regs.u_regs[i]);
+ __get_user(env->gregs[i], &sf->info.si_regs.u_regs[i]);
}
for (i=0; i < 8; i++) {
- err |= __get_user(env->regwptr[i + UREG_I0], &sf->info.si_regs.u_regs[i+8]);
+ __get_user(env->regwptr[i + UREG_I0], &sf->info.si_regs.u_regs[i+8]);
}
/* FIXME: implement FPU save/restore:
/* This is pretty much atomic, no amount locking would prevent
* the races which exist anyways.
*/
- err |= __get_user(set.sig[0], &sf->info.si_mask);
+ __get_user(set.sig[0], &sf->info.si_mask);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- err |= (__get_user(set.sig[i], &sf->extramask[i - 1]));
+ __get_user(set.sig[i], &sf->extramask[i - 1]);
}
target_to_host_sigset_internal(&host_set, &set);
long do_rt_sigreturn(CPUSPARCState *env)
{
+ trace_user_do_rt_sigreturn(env, 0);
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;
- int err;
unsigned int i;
ucp_addr = env->regwptr[UREG_I0];
if (!lock_user_struct(VERIFY_READ, ucp, ucp_addr, 1))
goto do_sigsegv;
grp = &ucp->tuc_mcontext.mc_gregs;
- err = __get_user(pc, &((*grp)[MC_PC]));
- err |= __get_user(npc, &((*grp)[MC_NPC]));
- if (err || ((pc | npc) & 3))
+ __get_user(pc, &((*grp)[MC_PC]));
+ __get_user(npc, &((*grp)[MC_NPC]));
+ if ((pc | npc) & 3)
goto do_sigsegv;
if (env->regwptr[UREG_I1]) {
target_sigset_t target_set;
sigset_t set;
if (TARGET_NSIG_WORDS == 1) {
- if (__get_user(target_set.sig[0], &ucp->tuc_sigmask.sig[0]))
- goto do_sigsegv;
+ __get_user(target_set.sig[0], &ucp->tuc_sigmask.sig[0]);
} else {
abi_ulong *src, *dst;
src = ucp->tuc_sigmask.sig;
dst = target_set.sig;
for (i = 0; i < TARGET_NSIG_WORDS; i++, dst++, src++) {
- err |= __get_user(*dst, src);
+ __get_user(*dst, src);
}
- if (err)
- goto do_sigsegv;
}
target_to_host_sigset_internal(&set, &target_set);
do_sigprocmask(SIG_SETMASK, &set, NULL);
}
env->pc = pc;
env->npc = npc;
- err |= __get_user(env->y, &((*grp)[MC_Y]));
- err |= __get_user(tstate, &((*grp)[MC_TSTATE]));
+ __get_user(env->y, &((*grp)[MC_Y]));
+ __get_user(tstate, &((*grp)[MC_TSTATE]));
env->asi = (tstate >> 24) & 0xff;
cpu_put_ccr(env, tstate >> 32);
cpu_put_cwp64(env, tstate & 0x1f);
- err |= __get_user(env->gregs[1], (&(*grp)[MC_G1]));
- err |= __get_user(env->gregs[2], (&(*grp)[MC_G2]));
- err |= __get_user(env->gregs[3], (&(*grp)[MC_G3]));
- err |= __get_user(env->gregs[4], (&(*grp)[MC_G4]));
- err |= __get_user(env->gregs[5], (&(*grp)[MC_G5]));
- err |= __get_user(env->gregs[6], (&(*grp)[MC_G6]));
- err |= __get_user(env->gregs[7], (&(*grp)[MC_G7]));
- err |= __get_user(env->regwptr[UREG_I0], (&(*grp)[MC_O0]));
- err |= __get_user(env->regwptr[UREG_I1], (&(*grp)[MC_O1]));
- err |= __get_user(env->regwptr[UREG_I2], (&(*grp)[MC_O2]));
- err |= __get_user(env->regwptr[UREG_I3], (&(*grp)[MC_O3]));
- err |= __get_user(env->regwptr[UREG_I4], (&(*grp)[MC_O4]));
- err |= __get_user(env->regwptr[UREG_I5], (&(*grp)[MC_O5]));
- err |= __get_user(env->regwptr[UREG_I6], (&(*grp)[MC_O6]));
- err |= __get_user(env->regwptr[UREG_I7], (&(*grp)[MC_O7]));
-
- err |= __get_user(fp, &(ucp->tuc_mcontext.mc_fp));
- err |= __get_user(i7, &(ucp->tuc_mcontext.mc_i7));
+ __get_user(env->gregs[1], (&(*grp)[MC_G1]));
+ __get_user(env->gregs[2], (&(*grp)[MC_G2]));
+ __get_user(env->gregs[3], (&(*grp)[MC_G3]));
+ __get_user(env->gregs[4], (&(*grp)[MC_G4]));
+ __get_user(env->gregs[5], (&(*grp)[MC_G5]));
+ __get_user(env->gregs[6], (&(*grp)[MC_G6]));
+ __get_user(env->gregs[7], (&(*grp)[MC_G7]));
+ __get_user(env->regwptr[UREG_I0], (&(*grp)[MC_O0]));
+ __get_user(env->regwptr[UREG_I1], (&(*grp)[MC_O1]));
+ __get_user(env->regwptr[UREG_I2], (&(*grp)[MC_O2]));
+ __get_user(env->regwptr[UREG_I3], (&(*grp)[MC_O3]));
+ __get_user(env->regwptr[UREG_I4], (&(*grp)[MC_O4]));
+ __get_user(env->regwptr[UREG_I5], (&(*grp)[MC_O5]));
+ __get_user(env->regwptr[UREG_I6], (&(*grp)[MC_O6]));
+ __get_user(env->regwptr[UREG_I7], (&(*grp)[MC_O7]));
+
+ __get_user(fp, &(ucp->tuc_mcontext.mc_fp));
+ __get_user(i7, &(ucp->tuc_mcontext.mc_i7));
w_addr = TARGET_STACK_BIAS+env->regwptr[UREG_I6];
if (put_user(fp, w_addr + offsetof(struct target_reg_window, ins[6]),
* 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));
+ __get_user(env->fprs, &(ucp->tuc_mcontext.mc_fpregs.mcfpu_fprs));
{
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);
+ __get_user(env->fpr[i/2].l.lower, src);
} else {
- err |= __get_user(env->fpr[i/2].l.upper, src);
+ __get_user(env->fpr[i/2].l.upper, src);
}
}
}
- err |= __get_user(env->fsr,
- &(ucp->tuc_mcontext.mc_fpregs.mcfpu_fsr));
- err |= __get_user(env->gsr,
- &(ucp->tuc_mcontext.mc_fpregs.mcfpu_gsr));
- if (err)
- goto do_sigsegv;
+ __get_user(env->fsr,
+ &(ucp->tuc_mcontext.mc_fpregs.mcfpu_fsr));
+ __get_user(env->gsr,
+ &(ucp->tuc_mcontext.mc_fpregs.mcfpu_gsr));
unlock_user_struct(ucp, ucp_addr, 0);
return;
do_sigsegv:
do_sigprocmask(0, NULL, &set);
host_to_target_sigset_internal(&target_set, &set);
if (TARGET_NSIG_WORDS == 1) {
- err |= __put_user(target_set.sig[0],
- (abi_ulong *)&ucp->tuc_sigmask);
+ __put_user(target_set.sig[0],
+ (abi_ulong *)&ucp->tuc_sigmask);
} else {
abi_ulong *src, *dst;
src = target_set.sig;
dst = ucp->tuc_sigmask.sig;
for (i = 0; i < TARGET_NSIG_WORDS; i++, dst++, src++) {
- err |= __put_user(*src, dst);
+ __put_user(*src, dst);
}
if (err)
goto do_sigsegv;
}
/* XXX: tstate must be saved properly */
- // err |= __put_user(env->tstate, &((*grp)[MC_TSTATE]));
- err |= __put_user(env->pc, &((*grp)[MC_PC]));
- err |= __put_user(env->npc, &((*grp)[MC_NPC]));
- err |= __put_user(env->y, &((*grp)[MC_Y]));
- err |= __put_user(env->gregs[1], &((*grp)[MC_G1]));
- err |= __put_user(env->gregs[2], &((*grp)[MC_G2]));
- err |= __put_user(env->gregs[3], &((*grp)[MC_G3]));
- err |= __put_user(env->gregs[4], &((*grp)[MC_G4]));
- err |= __put_user(env->gregs[5], &((*grp)[MC_G5]));
- err |= __put_user(env->gregs[6], &((*grp)[MC_G6]));
- err |= __put_user(env->gregs[7], &((*grp)[MC_G7]));
- err |= __put_user(env->regwptr[UREG_I0], &((*grp)[MC_O0]));
- err |= __put_user(env->regwptr[UREG_I1], &((*grp)[MC_O1]));
- err |= __put_user(env->regwptr[UREG_I2], &((*grp)[MC_O2]));
- err |= __put_user(env->regwptr[UREG_I3], &((*grp)[MC_O3]));
- err |= __put_user(env->regwptr[UREG_I4], &((*grp)[MC_O4]));
- err |= __put_user(env->regwptr[UREG_I5], &((*grp)[MC_O5]));
- err |= __put_user(env->regwptr[UREG_I6], &((*grp)[MC_O6]));
- err |= __put_user(env->regwptr[UREG_I7], &((*grp)[MC_O7]));
+ // __put_user(env->tstate, &((*grp)[MC_TSTATE]));
+ __put_user(env->pc, &((*grp)[MC_PC]));
+ __put_user(env->npc, &((*grp)[MC_NPC]));
+ __put_user(env->y, &((*grp)[MC_Y]));
+ __put_user(env->gregs[1], &((*grp)[MC_G1]));
+ __put_user(env->gregs[2], &((*grp)[MC_G2]));
+ __put_user(env->gregs[3], &((*grp)[MC_G3]));
+ __put_user(env->gregs[4], &((*grp)[MC_G4]));
+ __put_user(env->gregs[5], &((*grp)[MC_G5]));
+ __put_user(env->gregs[6], &((*grp)[MC_G6]));
+ __put_user(env->gregs[7], &((*grp)[MC_G7]));
+ __put_user(env->regwptr[UREG_I0], &((*grp)[MC_O0]));
+ __put_user(env->regwptr[UREG_I1], &((*grp)[MC_O1]));
+ __put_user(env->regwptr[UREG_I2], &((*grp)[MC_O2]));
+ __put_user(env->regwptr[UREG_I3], &((*grp)[MC_O3]));
+ __put_user(env->regwptr[UREG_I4], &((*grp)[MC_O4]));
+ __put_user(env->regwptr[UREG_I5], &((*grp)[MC_O5]));
+ __put_user(env->regwptr[UREG_I6], &((*grp)[MC_O6]));
+ __put_user(env->regwptr[UREG_I7], &((*grp)[MC_O7]));
w_addr = TARGET_STACK_BIAS+env->regwptr[UREG_I6];
fp = i7 = 0;
if (get_user(i7, w_addr + offsetof(struct target_reg_window, ins[7]),
abi_ulong) != 0)
goto do_sigsegv;
- err |= __put_user(fp, &(mcp->mc_fp));
- err |= __put_user(i7, &(mcp->mc_i7));
+ __put_user(fp, &(mcp->mc_fp));
+ __put_user(i7, &(mcp->mc_i7));
{
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);
+ __put_user(env->fpr[i/2].l.lower, dst);
} else {
- err |= __put_user(env->fpr[i/2].l.upper, dst);
+ __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));
- err |= __put_user(env->fprs, &(mcp->mc_fpregs.mcfpu_fprs));
+ __put_user(env->fsr, &(mcp->mc_fpregs.mcfpu_fsr));
+ __put_user(env->gsr, &(mcp->mc_fpregs.mcfpu_gsr));
+ __put_user(env->fprs, &(mcp->mc_fpregs.mcfpu_fprs));
if (err)
goto do_sigsegv;
* syscall
*/
- err |= __put_user(0x24020000 + syscall, tramp + 0);
- err |= __put_user(0x0000000c , tramp + 1);
+ __put_user(0x24020000 + syscall, tramp + 0);
+ __put_user(0x0000000c , tramp + 1);
return err;
}
-static inline int
-setup_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc)
+static inline void setup_sigcontext(CPUMIPSState *regs,
+ struct target_sigcontext *sc)
{
- int err = 0;
int i;
- err |= __put_user(exception_resume_pc(regs), &sc->sc_pc);
+ __put_user(exception_resume_pc(regs), &sc->sc_pc);
regs->hflags &= ~MIPS_HFLAG_BMASK;
__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]);
+ __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);
+ __put_user(regs->active_tc.HI[0], &sc->sc_mdhi);
+ __put_user(regs->active_tc.LO[0], &sc->sc_mdlo);
/* 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);
+ __put_user(regs->active_tc.HI[1], &sc->sc_hi1);
+ __put_user(regs->active_tc.HI[2], &sc->sc_hi2);
+ __put_user(regs->active_tc.HI[3], &sc->sc_hi3);
+ __put_user(regs->active_tc.LO[1], &sc->sc_lo1);
+ __put_user(regs->active_tc.LO[2], &sc->sc_lo2);
+ __put_user(regs->active_tc.LO[3], &sc->sc_lo3);
{
uint32_t dsp = cpu_rddsp(0x3ff, regs);
- err |= __put_user(dsp, &sc->sc_dsp);
+ __put_user(dsp, &sc->sc_dsp);
}
- err |= __put_user(1, &sc->sc_used_math);
+ __put_user(1, &sc->sc_used_math);
for (i = 0; i < 32; ++i) {
- err |= __put_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]);
+ __put_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]);
}
-
- return err;
}
-static inline int
+static inline void
restore_sigcontext(CPUMIPSState *regs, struct target_sigcontext *sc)
{
- int err = 0;
int i;
- err |= __get_user(regs->CP0_EPC, &sc->sc_pc);
+ __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);
+ __get_user(regs->active_tc.HI[0], &sc->sc_mdhi);
+ __get_user(regs->active_tc.LO[0], &sc->sc_mdlo);
for (i = 1; i < 32; ++i) {
- err |= __get_user(regs->active_tc.gpr[i], &sc->sc_regs[i]);
+ __get_user(regs->active_tc.gpr[i], &sc->sc_regs[i]);
}
- 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);
+ __get_user(regs->active_tc.HI[1], &sc->sc_hi1);
+ __get_user(regs->active_tc.HI[2], &sc->sc_hi2);
+ __get_user(regs->active_tc.HI[3], &sc->sc_hi3);
+ __get_user(regs->active_tc.LO[1], &sc->sc_lo1);
+ __get_user(regs->active_tc.LO[2], &sc->sc_lo2);
+ __get_user(regs->active_tc.LO[3], &sc->sc_lo3);
{
uint32_t dsp;
- err |= __get_user(dsp, &sc->sc_dsp);
+ __get_user(dsp, &sc->sc_dsp);
cpu_wrdsp(dsp, 0x3ff, regs);
}
for (i = 0; i < 32; ++i) {
- err |= __get_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]);
+ __get_user(regs->active_fpu.fpr[i].d, &sc->sc_fpregs[i]);
}
-
- return err;
}
/*
int i;
frame_addr = get_sigframe(ka, regs, sizeof(*frame));
+ trace_user_setup_frame(regs, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
goto give_sigsegv;
install_sigtramp(frame->sf_code, TARGET_NR_sigreturn);
- if(setup_sigcontext(regs, &frame->sf_sc))
- goto give_sigsegv;
+ setup_sigcontext(regs, &frame->sf_sc);
for(i = 0; i < TARGET_NSIG_WORDS; i++) {
- if(__put_user(set->sig[i], &frame->sf_mask.sig[i]))
- goto give_sigsegv;
+ __put_user(set->sig[i], &frame->sf_mask.sig[i]);
}
/*
return;
give_sigsegv:
- unlock_user_struct(frame, frame_addr, 1);
force_sig(TARGET_SIGSEGV/*, current*/);
}
target_sigset_t target_set;
int i;
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "do_sigreturn\n");
-#endif
frame_addr = regs->active_tc.gpr[29];
+ trace_user_do_sigreturn(regs, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
for(i = 0; i < TARGET_NSIG_WORDS; i++) {
- if(__get_user(target_set.sig[i], &frame->sf_mask.sig[i]))
- goto badframe;
+ __get_user(target_set.sig[i], &frame->sf_mask.sig[i]);
}
target_to_host_sigset_internal(&blocked, &target_set);
do_sigprocmask(SIG_SETMASK, &blocked, NULL);
- if (restore_sigcontext(regs, &frame->sf_sc))
- goto badframe;
+ restore_sigcontext(regs, &frame->sf_sc);
#if 0
/*
int i;
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;
install_sigtramp(frame->rs_code, TARGET_NR_rt_sigreturn);
- copy_siginfo_to_user(&frame->rs_info, info);
+ tswap_siginfo(&frame->rs_info, info);
__put_user(0, &frame->rs_uc.tuc_flags);
__put_user(0, &frame->rs_uc.tuc_link);
abi_ulong frame_addr;
sigset_t blocked;
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "do_rt_sigreturn\n");
-#endif
frame_addr = env->active_tc.gpr[29];
+ trace_user_do_rt_sigreturn(env, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
target_to_host_sigset(&blocked, &frame->rs_uc.tuc_sigmask);
do_sigprocmask(SIG_SETMASK, &blocked, NULL);
- if (restore_sigcontext(env, &frame->rs_uc.tuc_mcontext))
- goto badframe;
+ restore_sigcontext(env, &frame->rs_uc.tuc_mcontext);
if (do_sigaltstack(frame_addr +
offsetof(struct target_rt_sigframe, rs_uc.tuc_stack),
return (sp - frame_size) & -8ul;
}
-static int setup_sigcontext(struct target_sigcontext *sc,
+static void setup_sigcontext(struct target_sigcontext *sc,
CPUSH4State *regs, unsigned long mask)
{
- int err = 0;
int i;
-#define COPY(x) err |= __put_user(regs->x, &sc->sc_##x)
+#define COPY(x) __put_user(regs->x, &sc->sc_##x)
COPY(gregs[0]); COPY(gregs[1]);
COPY(gregs[2]); COPY(gregs[3]);
COPY(gregs[4]); COPY(gregs[5]);
#undef COPY
for (i=0; i<16; i++) {
- err |= __put_user(regs->fregs[i], &sc->sc_fpregs[i]);
+ __put_user(regs->fregs[i], &sc->sc_fpregs[i]);
}
- err |= __put_user(regs->fpscr, &sc->sc_fpscr);
- err |= __put_user(regs->fpul, &sc->sc_fpul);
+ __put_user(regs->fpscr, &sc->sc_fpscr);
+ __put_user(regs->fpul, &sc->sc_fpul);
/* non-iBCS2 extensions.. */
- err |= __put_user(mask, &sc->oldmask);
-
- return err;
+ __put_user(mask, &sc->oldmask);
}
-static int restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc,
+static void restore_sigcontext(CPUSH4State *regs, struct target_sigcontext *sc,
target_ulong *r0_p)
{
- unsigned int err = 0;
int i;
-#define COPY(x) err |= __get_user(regs->x, &sc->sc_##x)
+#define COPY(x) __get_user(regs->x, &sc->sc_##x)
COPY(gregs[1]);
COPY(gregs[2]); COPY(gregs[3]);
COPY(gregs[4]); COPY(gregs[5]);
#undef COPY
for (i=0; i<16; i++) {
- err |= __get_user(regs->fregs[i], &sc->sc_fpregs[i]);
+ __get_user(regs->fregs[i], &sc->sc_fpregs[i]);
}
- err |= __get_user(regs->fpscr, &sc->sc_fpscr);
- err |= __get_user(regs->fpul, &sc->sc_fpul);
+ __get_user(regs->fpscr, &sc->sc_fpscr);
+ __get_user(regs->fpul, &sc->sc_fpul);
regs->tra = -1; /* disable syscall checks */
- err |= __get_user(*r0_p, &sc->sc_gregs[0]);
- return err;
+ __get_user(*r0_p, &sc->sc_gregs[0]);
}
static void setup_frame(int sig, struct target_sigaction *ka,
struct target_sigframe *frame;
abi_ulong frame_addr;
int i;
- int err = 0;
- int signal;
frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame));
+ trace_user_setup_frame(regs, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
goto give_sigsegv;
- signal = current_exec_domain_sig(sig);
-
- err |= setup_sigcontext(&frame->sc, regs, set->sig[0]);
+ setup_sigcontext(&frame->sc, regs, set->sig[0]);
for (i = 0; i < TARGET_NSIG_WORDS - 1; i++) {
- err |= __put_user(set->sig[i + 1], &frame->extramask[i]);
+ __put_user(set->sig[i + 1], &frame->extramask[i]);
}
/* Set up to return from userspace. If provided, use a stub
regs->pr = (unsigned long) ka->sa_restorer;
} else {
/* Generate return code (system call to sigreturn) */
- err |= __put_user(MOVW(2), &frame->retcode[0]);
- err |= __put_user(TRAP_NOARG, &frame->retcode[1]);
- err |= __put_user((TARGET_NR_sigreturn), &frame->retcode[2]);
- regs->pr = (unsigned long) frame->retcode;
+ abi_ulong retcode_addr = frame_addr +
+ offsetof(struct target_sigframe, retcode);
+ __put_user(MOVW(2), &frame->retcode[0]);
+ __put_user(TRAP_NOARG, &frame->retcode[1]);
+ __put_user((TARGET_NR_sigreturn), &frame->retcode[2]);
+ regs->pr = (unsigned long) retcode_addr;
}
- if (err)
- goto give_sigsegv;
-
/* Set up registers for signal handler */
regs->gregs[15] = frame_addr;
- regs->gregs[4] = signal; /* Arg for signal handler */
+ regs->gregs[4] = sig; /* Arg for signal handler */
regs->gregs[5] = 0;
regs->gregs[6] = frame_addr += offsetof(typeof(*frame), sc);
regs->pc = (unsigned long) ka->_sa_handler;
struct target_rt_sigframe *frame;
abi_ulong frame_addr;
int i;
- int err = 0;
- int signal;
frame_addr = get_sigframe(ka, regs->gregs[15], sizeof(*frame));
+ trace_user_setup_rt_frame(regs, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
goto give_sigsegv;
- signal = current_exec_domain_sig(sig);
-
- err |= copy_siginfo_to_user(&frame->info, info);
+ tswap_siginfo(&frame->info, info);
/* Create the ucontext. */
- err |= __put_user(0, &frame->uc.tuc_flags);
- err |= __put_user(0, (unsigned long *)&frame->uc.tuc_link);
- err |= __put_user((unsigned long)target_sigaltstack_used.ss_sp,
- &frame->uc.tuc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(regs->gregs[15]),
- &frame->uc.tuc_stack.ss_flags);
- err |= __put_user(target_sigaltstack_used.ss_size,
- &frame->uc.tuc_stack.ss_size);
- err |= setup_sigcontext(&frame->uc.tuc_mcontext,
+ __put_user(0, &frame->uc.tuc_flags);
+ __put_user(0, (unsigned long *)&frame->uc.tuc_link);
+ __put_user((unsigned long)target_sigaltstack_used.ss_sp,
+ &frame->uc.tuc_stack.ss_sp);
+ __put_user(sas_ss_flags(regs->gregs[15]),
+ &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,
regs, set->sig[0]);
for(i = 0; i < TARGET_NSIG_WORDS; i++) {
- err |= __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
+ __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
}
/* Set up to return from userspace. If provided, use a stub
regs->pr = (unsigned long) ka->sa_restorer;
} else {
/* Generate return code (system call to sigreturn) */
- err |= __put_user(MOVW(2), &frame->retcode[0]);
- err |= __put_user(TRAP_NOARG, &frame->retcode[1]);
- err |= __put_user((TARGET_NR_rt_sigreturn), &frame->retcode[2]);
- regs->pr = (unsigned long) frame->retcode;
+ abi_ulong retcode_addr = frame_addr +
+ offsetof(struct target_rt_sigframe, retcode);
+ __put_user(MOVW(2), &frame->retcode[0]);
+ __put_user(TRAP_NOARG, &frame->retcode[1]);
+ __put_user((TARGET_NR_rt_sigreturn), &frame->retcode[2]);
+ regs->pr = (unsigned long) retcode_addr;
}
- if (err)
- goto give_sigsegv;
-
/* Set up registers for signal handler */
regs->gregs[15] = frame_addr;
- regs->gregs[4] = signal; /* Arg for signal handler */
+ regs->gregs[4] = sig; /* Arg for signal handler */
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;
int i;
int err = 0;
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "do_sigreturn\n");
-#endif
frame_addr = regs->gregs[15];
+ trace_user_do_sigreturn(regs, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
- err |= __get_user(target_set.sig[0], &frame->sc.oldmask);
+ __get_user(target_set.sig[0], &frame->sc.oldmask);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- err |= (__get_user(target_set.sig[i], &frame->extramask[i - 1]));
+ __get_user(target_set.sig[i], &frame->extramask[i - 1]);
}
if (err)
target_to_host_sigset_internal(&blocked, &target_set);
do_sigprocmask(SIG_SETMASK, &blocked, NULL);
- if (restore_sigcontext(regs, &frame->sc, &r0))
- goto badframe;
+ restore_sigcontext(regs, &frame->sc, &r0);
unlock_user_struct(frame, frame_addr, 0);
return r0;
sigset_t blocked;
target_ulong r0;
-#if defined(DEBUG_SIGNAL)
- fprintf(stderr, "do_rt_sigreturn\n");
-#endif
frame_addr = regs->gregs[15];
+ trace_user_do_rt_sigreturn(regs, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
target_to_host_sigset(&blocked, &frame->uc.tuc_sigmask);
do_sigprocmask(SIG_SETMASK, &blocked, NULL);
- if (restore_sigcontext(regs, &frame->uc.tuc_mcontext, &r0))
- goto badframe;
+ restore_sigcontext(regs, &frame->uc.tuc_mcontext, &r0);
if (do_sigaltstack(frame_addr +
offsetof(struct target_rt_sigframe, uc.tuc_stack),
{
abi_ulong sp = env->regs[1];
- if ((ka->sa_flags & SA_ONSTACK) != 0 && !on_sig_stack(sp))
+ if ((ka->sa_flags & TARGET_SA_ONSTACK) != 0 && !on_sig_stack(sp)) {
sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
+ }
return ((sp - frame_size) & -8UL);
}
{
struct target_signal_frame *frame;
abi_ulong frame_addr;
- int err = 0;
int i;
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 badframe;
/* Save the mask. */
- err |= __put_user(set->sig[0], &frame->uc.tuc_mcontext.oldmask);
- if (err)
- goto badframe;
+ __put_user(set->sig[0], &frame->uc.tuc_mcontext.oldmask);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->extramask[i - 1]))
- goto badframe;
+ __put_user(set->sig[i], &frame->extramask[i - 1]);
}
setup_sigcontext(&frame->uc.tuc_mcontext, env);
/* Note, these encodings are _big endian_! */
/* addi r12, r0, __NR_sigreturn */
t = 0x31800000UL | TARGET_NR_sigreturn;
- err |= __put_user(t, frame->tramp + 0);
+ __put_user(t, frame->tramp + 0);
/* brki r14, 0x8 */
t = 0xb9cc0008UL;
- err |= __put_user(t, frame->tramp + 1);
+ __put_user(t, frame->tramp + 1);
/* Return from sighandler will jump to the tramp.
Negative 8 offset because return is rtsd r15, 8 */
env->regs[15] = ((unsigned long)frame->tramp) - 8;
}
- if (err)
- goto badframe;
-
/* Set up registers for signal handler */
env->regs[1] = frame_addr;
/* Signal handler args: */
unlock_user_struct(frame, frame_addr, 1);
return;
badframe:
- unlock_user_struct(frame, frame_addr, 1);
force_sig(TARGET_SIGSEGV);
}
int i;
frame_addr = env->regs[R_SP];
+ trace_user_do_sigreturn(env, frame_addr);
/* Make sure the guest isn't playing games. */
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 1))
goto badframe;
/* Restore blocked signals */
- if (__get_user(target_set.sig[0], &frame->uc.tuc_mcontext.oldmask))
- goto badframe;
+ __get_user(target_set.sig[0], &frame->uc.tuc_mcontext.oldmask);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__get_user(target_set.sig[i], &frame->extramask[i - 1]))
- goto badframe;
+ __get_user(target_set.sig[i], &frame->extramask[i - 1]);
}
target_to_host_sigset_internal(&set, &target_set);
do_sigprocmask(SIG_SETMASK, &set, NULL);
unlock_user_struct(frame, frame_addr, 0);
return env->regs[10];
badframe:
- unlock_user_struct(frame, frame_addr, 0);
force_sig(TARGET_SIGSEGV);
}
long do_rt_sigreturn(CPUMBState *env)
{
+ trace_user_do_rt_sigreturn(env, 0);
fprintf(stderr, "Microblaze do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
{
struct target_signal_frame *frame;
abi_ulong frame_addr;
- int err = 0;
int i;
frame_addr = get_sigframe(env, sizeof *frame);
+ trace_user_setup_frame(env, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 0))
goto badframe;
*
* This is movu.w __NR_sigreturn, r9; break 13;
*/
- err |= __put_user(0x9c5f, frame->retcode+0);
- err |= __put_user(TARGET_NR_sigreturn,
- frame->retcode + 1);
- err |= __put_user(0xe93d, frame->retcode + 2);
+ __put_user(0x9c5f, frame->retcode+0);
+ __put_user(TARGET_NR_sigreturn,
+ frame->retcode + 1);
+ __put_user(0xe93d, frame->retcode + 2);
/* Save the mask. */
- err |= __put_user(set->sig[0], &frame->sc.oldmask);
- if (err)
- goto badframe;
+ __put_user(set->sig[0], &frame->sc.oldmask);
- for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->extramask[i - 1]))
- goto badframe;
- }
+ for(i = 1; i < TARGET_NSIG_WORDS; i++) {
+ __put_user(set->sig[i], &frame->extramask[i - 1]);
+ }
setup_sigcontext(&frame->sc, env);
unlock_user_struct(frame, frame_addr, 1);
return;
badframe:
- unlock_user_struct(frame, frame_addr, 1);
force_sig(TARGET_SIGSEGV);
}
int i;
frame_addr = env->regs[R_SP];
+ trace_user_do_sigreturn(env, frame_addr);
/* Make sure the guest isn't playing games. */
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 1))
goto badframe;
/* Restore blocked signals */
- if (__get_user(target_set.sig[0], &frame->sc.oldmask))
- goto badframe;
+ __get_user(target_set.sig[0], &frame->sc.oldmask);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__get_user(target_set.sig[i], &frame->extramask[i - 1]))
- goto badframe;
+ __get_user(target_set.sig[i], &frame->extramask[i - 1]);
}
target_to_host_sigset_internal(&set, &target_set);
do_sigprocmask(SIG_SETMASK, &set, NULL);
unlock_user_struct(frame, frame_addr, 0);
return env->regs[10];
badframe:
- unlock_user_struct(frame, frame_addr, 0);
force_sig(TARGET_SIGSEGV);
}
long do_rt_sigreturn(CPUCRISState *env)
{
+ trace_user_do_rt_sigreturn(env, 0);
fprintf(stderr, "CRIS do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
* stuff after pushing it)
*/
- err |= __get_user(old_usp, &sc->usp);
+ __get_user(old_usp, &sc->usp);
phx_signal("old_usp 0x%lx", old_usp);
__PHX__ REALLY /* ??? */
/* Set up a signal frame. */
-static int setup_sigcontext(struct target_sigcontext *sc,
+static void 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));*/
+ /*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
/*regs->frametype = CRIS_FRAME_NORMAL;*/
/* then some other stuff */
- err |= __put_user(mask, &sc->oldmask);
- err |= __put_user(usp, &sc->usp); return err;
+ __put_user(mask, &sc->oldmask);
+ __put_user(usp, &sc->usp);
}
static inline unsigned long align_sigframe(unsigned long sp)
/* redzone */
/* This is the X/Open sanctioned signal stack switching. */
- if ((ka->sa_flags & SA_ONSTACK) != 0 && !onsigstack) {
+ if ((ka->sa_flags & TARGET_SA_ONSTACK) != 0 && !onsigstack) {
sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
}
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)
abi_ulong info_addr, uc_addr;
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;
}
info_addr = frame_addr + offsetof(struct target_rt_sigframe, info);
- err |= __put_user(info_addr, &frame->pinfo);
+ __put_user(info_addr, &frame->pinfo);
uc_addr = frame_addr + offsetof(struct target_rt_sigframe, uc);
- err |= __put_user(uc_addr, &frame->puc);
+ __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;
+ tswap_siginfo(&frame->info, info);
}
/*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]);
+ __put_user(0, &frame->uc.tuc_flags);
+ __put_user(0, &frame->uc.tuc_link);
+ __put_user(target_sigaltstack_used.ss_sp,
+ &frame->uc.tuc_stack.ss_sp);
+ __put_user(sas_ss_flags(env->gpr[1]), &frame->uc.tuc_stack.ss_flags);
+ __put_user(target_sigaltstack_used.ss_size,
+ &frame->uc.tuc_stack.ss_size);
+ 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));
+ __put_user(0xa960, (short *)(frame->retcode + 0));
+ __put_user(TARGET_NR_rt_sigreturn, (short *)(frame->retcode + 2));
+ __put_user(0x20000001, (unsigned long *)(frame->retcode + 4));
+ __put_user(0x15000000, (unsigned long *)(frame->retcode + 8));
if (err) {
goto give_sigsegv;
long do_sigreturn(CPUOpenRISCState *env)
{
-
- qemu_log("do_sigreturn: not implemented\n");
+ trace_user_do_sigreturn(env, 0);
+ fprintf(stderr, "do_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
long do_rt_sigreturn(CPUOpenRISCState *env)
{
- qemu_log("do_rt_sigreturn: not implemented\n");
+ trace_user_do_rt_sigreturn(env, 0);
+ fprintf(stderr, "do_rt_sigreturn: not implemented\n");
return -TARGET_ENOSYS;
}
/* TARGET_OPENRISC */
*/
//save_fp_regs(¤t->thread.fp_regs); FIXME
for (i = 0; i < 16; i++) {
- __put_user(env->fregs[i].ll, &sregs->fpregs.fprs[i]);
+ __put_user(get_freg(env, i)->ll, &sregs->fpregs.fprs[i]);
}
}
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);
+ trace_user_setup_frame(env, 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;
- }
+ __put_user(set->sig[0], &frame->sc.oldmask[0]);
save_sigregs(env, &frame->sregs);
} 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;
+ __put_user(S390_SYSCALL_OPCODE | TARGET_NR_sigreturn,
+ (uint16_t *)(frame->retcode));
}
/* Set up backchain. */
- if (__put_user(env->regs[15], (abi_ulong *) frame)) {
- goto give_sigsegv;
- }
+ __put_user(env->regs[15], (abi_ulong *) frame);
/* Set up registers for signal handler */
env->regs[15] = frame_addr;
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;
- }
+ __put_user(env->regs[2], (int *) &frame->signo);
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);
}
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);
+ trace_user_setup_rt_frame(env, 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;
- }
+ tswap_siginfo(&frame->info, info);
/* Create the ucontext. */
__put_user(0, &frame->uc.tuc_flags);
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;
- }
+ __put_user(S390_SYSCALL_OPCODE | TARGET_NR_rt_sigreturn,
+ (uint16_t *)(frame->retcode));
}
/* Set up backchain. */
- if (__put_user(env->regs[15], (abi_ulong *) frame)) {
- goto give_sigsegv;
- }
+ __put_user(env->regs[15], (abi_ulong *) frame);
/* Set up registers for signal handler */
env->regs[15] = frame_addr;
return;
give_sigsegv:
- qemu_log("%s: give_sigsegv\n", __FUNCTION__);
- unlock_user_struct(frame, frame_addr, 1);
force_sig(TARGET_SIGSEGV);
}
int i;
for (i = 0; i < 16; i++) {
- err |= __get_user(env->regs[i], &sc->regs.gprs[i]);
+ __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);
+ __get_user(env->psw.mask, &sc->regs.psw.mask);
+ trace_user_s390x_restore_sigregs(env, (unsigned long long)sc->regs.psw.addr,
+ (unsigned long long)env->psw.addr);
+ __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]);
+ __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]);
+ __get_user(get_freg(env, i)->ll, &sc->fpregs.fprs[i]);
}
return err;
{
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;
+ trace_user_do_sigreturn(env, frame_addr);
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;
- }
+ __get_user(target_set.sig[0], &frame->sc.oldmask[0]);
target_to_host_sigset_internal(&set, &target_set);
do_sigprocmask(SIG_SETMASK, &set, NULL); /* ~_BLOCKABLE? */
return env->regs[2];
badframe:
- unlock_user_struct(frame, frame_addr, 0);
force_sig(TARGET_SIGSEGV);
return 0;
}
{
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;
+ trace_user_do_rt_sigreturn(env, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1)) {
goto badframe;
}
return 0;
}
-#elif defined(TARGET_PPC) && !defined(TARGET_PPC64)
-
-/* FIXME: Many of the structures are defined for both PPC and PPC64, but
- the signal handling is different enough that we haven't implemented
- support for PPC64 yet. Hence the restriction above.
-
- There are various #if'd blocks for code for TARGET_PPC64. These
- blocks should go away so that we can successfully run 32-bit and
- 64-bit binaries on a QEMU configured for PPC64. */
+#elif defined(TARGET_PPC)
/* Size of dummy stack frame allocated when calling signal handler.
See arch/powerpc/include/asm/ptrace.h. */
#define SIGNAL_FRAMESIZE 64
#endif
+/* See arch/powerpc/include/asm/ucontext.h. Only used for 32-bit PPC;
+ on 64-bit PPC, sigcontext and mcontext are one and the same. */
+struct target_mcontext {
+ target_ulong mc_gregs[48];
+ /* Includes fpscr. */
+ uint64_t mc_fregs[33];
+ target_ulong mc_pad[2];
+ /* We need to handle Altivec and SPE at the same time, which no
+ kernel needs to do. Fortunately, the kernel defines this bit to
+ be Altivec-register-large all the time, rather than trying to
+ twiddle it based on the specific platform. */
+ union {
+ /* SPE vector registers. One extra for SPEFSCR. */
+ uint32_t spe[33];
+ /* Altivec vector registers. The packing of VSCR and VRSAVE
+ varies depending on whether we're PPC64 or not: PPC64 splits
+ them apart; PPC32 stuffs them together. */
+#if defined(TARGET_PPC64)
+#define QEMU_NVRREG 34
+#else
+#define QEMU_NVRREG 33
+#endif
+ ppc_avr_t altivec[QEMU_NVRREG];
+#undef QEMU_NVRREG
+ } mc_vregs __attribute__((__aligned__(16)));
+};
+
/* See arch/powerpc/include/asm/sigcontext.h. */
struct target_sigcontext {
target_ulong _unused[4];
target_ulong handler;
target_ulong oldmask;
target_ulong regs; /* struct pt_regs __user * */
- /* TODO: PPC64 includes extra bits here. */
+#if defined(TARGET_PPC64)
+ struct target_mcontext mcontext;
+#endif
};
/* Indices for target_mcontext.mc_gregs, below.
TARGET_PT_REGS_COUNT = 44
};
-/* See arch/powerpc/include/asm/ucontext.h. Only used for 32-bit PPC;
- on 64-bit PPC, sigcontext and mcontext are one and the same. */
-struct target_mcontext {
- target_ulong mc_gregs[48];
- /* Includes fpscr. */
- uint64_t mc_fregs[33];
- target_ulong mc_pad[2];
- /* We need to handle Altivec and SPE at the same time, which no
- kernel needs to do. Fortunately, the kernel defines this bit to
- be Altivec-register-large all the time, rather than trying to
- twiddle it based on the specific platform. */
- union {
- /* SPE vector registers. One extra for SPEFSCR. */
- uint32_t spe[33];
- /* Altivec vector registers. The packing of VSCR and VRSAVE
- varies depending on whether we're PPC64 or not: PPC64 splits
- them apart; PPC32 stuffs them together. */
-#if defined(TARGET_PPC64)
-#define QEMU_NVRREG 34
-#else
-#define QEMU_NVRREG 33
-#endif
- ppc_avr_t altivec[QEMU_NVRREG];
-#undef QEMU_NVRREG
- } mc_vregs __attribute__((__aligned__(16)));
-};
struct target_ucontext {
target_ulong tuc_flags;
target_sigset_t tuc_sigmask;
#if defined(TARGET_PPC64)
target_sigset_t unused[15]; /* Allow for uc_sigmask growth */
- struct target_sigcontext tuc_mcontext;
+ struct target_sigcontext tuc_sigcontext;
#else
int32_t tuc_maskext[30];
int32_t tuc_pad2[3];
int32_t abigap[56];
};
+#if defined(TARGET_PPC64)
+
+#define TARGET_TRAMP_SIZE 6
+
+struct target_rt_sigframe {
+ /* sys_rt_sigreturn requires the ucontext be the first field */
+ struct target_ucontext uc;
+ target_ulong _unused[2];
+ uint32_t trampoline[TARGET_TRAMP_SIZE];
+ target_ulong pinfo; /* struct siginfo __user * */
+ target_ulong puc; /* void __user * */
+ struct target_siginfo info;
+ /* 64 bit ABI allows for 288 bytes below sp before decrementing it. */
+ char abigap[288];
+} __attribute__((aligned(16)));
+
+#else
+
struct target_rt_sigframe {
struct target_siginfo info;
struct target_ucontext uc;
int32_t abigap[56];
};
+#endif
+
+#if defined(TARGET_PPC64)
+
+struct target_func_ptr {
+ target_ulong entry;
+ target_ulong toc;
+};
+
+#endif
+
/* We use the mc_pad field for the signal return trampoline. */
#define tramp mc_pad
return newsp;
}
-static int save_user_regs(CPUPPCState *env, struct target_mcontext *frame,
- int sigret)
+static void save_user_regs(CPUPPCState *env, struct target_mcontext *frame)
{
target_ulong msr = env->msr;
int i;
/* Save general registers. */
for (i = 0; i < ARRAY_SIZE(env->gpr); i++) {
- if (__put_user(env->gpr[i], &frame->mc_gregs[i])) {
- return 1;
- }
+ __put_user(env->gpr[i], &frame->mc_gregs[i]);
}
- if (__put_user(env->nip, &frame->mc_gregs[TARGET_PT_NIP])
- || __put_user(env->ctr, &frame->mc_gregs[TARGET_PT_CTR])
- || __put_user(env->lr, &frame->mc_gregs[TARGET_PT_LNK])
- || __put_user(env->xer, &frame->mc_gregs[TARGET_PT_XER]))
- return 1;
+ __put_user(env->nip, &frame->mc_gregs[TARGET_PT_NIP]);
+ __put_user(env->ctr, &frame->mc_gregs[TARGET_PT_CTR]);
+ __put_user(env->lr, &frame->mc_gregs[TARGET_PT_LNK]);
+ __put_user(env->xer, &frame->mc_gregs[TARGET_PT_XER]);
for (i = 0; i < ARRAY_SIZE(env->crf); i++) {
ccr |= env->crf[i] << (32 - ((i + 1) * 4));
}
- if (__put_user(ccr, &frame->mc_gregs[TARGET_PT_CCR]))
- return 1;
+ __put_user(ccr, &frame->mc_gregs[TARGET_PT_CCR]);
/* Save Altivec registers if necessary. */
if (env->insns_flags & PPC_ALTIVEC) {
ppc_avr_t *avr = &env->avr[i];
ppc_avr_t *vreg = &frame->mc_vregs.altivec[i];
- if (__put_user(avr->u64[0], &vreg->u64[0]) ||
- __put_user(avr->u64[1], &vreg->u64[1])) {
- return 1;
- }
+ __put_user(avr->u64[0], &vreg->u64[0]);
+ __put_user(avr->u64[1], &vreg->u64[1]);
}
/* Set MSR_VR in the saved MSR value to indicate that
frame->mc_vregs contains valid data. */
msr |= MSR_VR;
- if (__put_user((uint32_t)env->spr[SPR_VRSAVE],
- &frame->mc_vregs.altivec[32].u32[3]))
- return 1;
+ __put_user((uint32_t)env->spr[SPR_VRSAVE],
+ &frame->mc_vregs.altivec[32].u32[3]);
}
/* Save floating point registers. */
if (env->insns_flags & PPC_FLOAT) {
for (i = 0; i < ARRAY_SIZE(env->fpr); i++) {
- if (__put_user(env->fpr[i], &frame->mc_fregs[i])) {
- return 1;
- }
+ __put_user(env->fpr[i], &frame->mc_fregs[i]);
}
- if (__put_user((uint64_t) env->fpscr, &frame->mc_fregs[32]))
- return 1;
+ __put_user((uint64_t) env->fpscr, &frame->mc_fregs[32]);
}
/* Save SPE registers. The kernel only saves the high half. */
if (env->insns_flags & PPC_SPE) {
#if defined(TARGET_PPC64)
for (i = 0; i < ARRAY_SIZE(env->gpr); i++) {
- if (__put_user(env->gpr[i] >> 32, &frame->mc_vregs.spe[i])) {
- return 1;
- }
+ __put_user(env->gpr[i] >> 32, &frame->mc_vregs.spe[i]);
}
#else
for (i = 0; i < ARRAY_SIZE(env->gprh); i++) {
- if (__put_user(env->gprh[i], &frame->mc_vregs.spe[i])) {
- return 1;
- }
+ __put_user(env->gprh[i], &frame->mc_vregs.spe[i]);
}
#endif
/* Set MSR_SPE in the saved MSR value to indicate that
frame->mc_vregs contains valid data. */
msr |= MSR_SPE;
- if (__put_user(env->spe_fscr, &frame->mc_vregs.spe[32]))
- return 1;
+ __put_user(env->spe_fscr, &frame->mc_vregs.spe[32]);
}
/* Store MSR. */
- if (__put_user(msr, &frame->mc_gregs[TARGET_PT_MSR]))
- return 1;
+ __put_user(msr, &frame->mc_gregs[TARGET_PT_MSR]);
+}
+static void encode_trampoline(int sigret, uint32_t *tramp)
+{
/* Set up the sigreturn trampoline: li r0,sigret; sc. */
if (sigret) {
- if (__put_user(0x38000000UL | sigret, &frame->tramp[0]) ||
- __put_user(0x44000002UL, &frame->tramp[1])) {
- return 1;
- }
+ __put_user(0x38000000 | sigret, &tramp[0]);
+ __put_user(0x44000002, &tramp[1]);
}
-
- return 0;
}
-static int restore_user_regs(CPUPPCState *env,
- struct target_mcontext *frame, int sig)
+static void restore_user_regs(CPUPPCState *env,
+ struct target_mcontext *frame, int sig)
{
target_ulong save_r2 = 0;
target_ulong msr;
/* Restore general registers. */
for (i = 0; i < ARRAY_SIZE(env->gpr); i++) {
- if (__get_user(env->gpr[i], &frame->mc_gregs[i])) {
- return 1;
- }
+ __get_user(env->gpr[i], &frame->mc_gregs[i]);
}
- if (__get_user(env->nip, &frame->mc_gregs[TARGET_PT_NIP])
- || __get_user(env->ctr, &frame->mc_gregs[TARGET_PT_CTR])
- || __get_user(env->lr, &frame->mc_gregs[TARGET_PT_LNK])
- || __get_user(env->xer, &frame->mc_gregs[TARGET_PT_XER]))
- return 1;
- if (__get_user(ccr, &frame->mc_gregs[TARGET_PT_CCR]))
- return 1;
+ __get_user(env->nip, &frame->mc_gregs[TARGET_PT_NIP]);
+ __get_user(env->ctr, &frame->mc_gregs[TARGET_PT_CTR]);
+ __get_user(env->lr, &frame->mc_gregs[TARGET_PT_LNK]);
+ __get_user(env->xer, &frame->mc_gregs[TARGET_PT_XER]);
+ __get_user(ccr, &frame->mc_gregs[TARGET_PT_CCR]);
for (i = 0; i < ARRAY_SIZE(env->crf); i++) {
env->crf[i] = (ccr >> (32 - ((i + 1) * 4))) & 0xf;
env->gpr[2] = save_r2;
}
/* Restore MSR. */
- if (__get_user(msr, &frame->mc_gregs[TARGET_PT_MSR]))
- return 1;
+ __get_user(msr, &frame->mc_gregs[TARGET_PT_MSR]);
/* If doing signal return, restore the previous little-endian mode. */
if (sig)
ppc_avr_t *avr = &env->avr[i];
ppc_avr_t *vreg = &frame->mc_vregs.altivec[i];
- if (__get_user(avr->u64[0], &vreg->u64[0]) ||
- __get_user(avr->u64[1], &vreg->u64[1])) {
- return 1;
- }
+ __get_user(avr->u64[0], &vreg->u64[0]);
+ __get_user(avr->u64[1], &vreg->u64[1]);
}
/* Set MSR_VEC in the saved MSR value to indicate that
frame->mc_vregs contains valid data. */
- if (__get_user(env->spr[SPR_VRSAVE],
- (target_ulong *)(&frame->mc_vregs.altivec[32].u32[3])))
- return 1;
+ __get_user(env->spr[SPR_VRSAVE],
+ (target_ulong *)(&frame->mc_vregs.altivec[32].u32[3]));
}
/* Restore floating point registers. */
if (env->insns_flags & PPC_FLOAT) {
uint64_t fpscr;
for (i = 0; i < ARRAY_SIZE(env->fpr); i++) {
- if (__get_user(env->fpr[i], &frame->mc_fregs[i])) {
- return 1;
- }
+ __get_user(env->fpr[i], &frame->mc_fregs[i]);
}
- if (__get_user(fpscr, &frame->mc_fregs[32]))
- return 1;
+ __get_user(fpscr, &frame->mc_fregs[32]);
env->fpscr = (uint32_t) fpscr;
}
for (i = 0; i < ARRAY_SIZE(env->gpr); i++) {
uint32_t hi;
- if (__get_user(hi, &frame->mc_vregs.spe[i])) {
- return 1;
- }
+ __get_user(hi, &frame->mc_vregs.spe[i]);
env->gpr[i] = ((uint64_t)hi << 32) | ((uint32_t) env->gpr[i]);
}
#else
for (i = 0; i < ARRAY_SIZE(env->gprh); i++) {
- if (__get_user(env->gprh[i], &frame->mc_vregs.spe[i])) {
- return 1;
- }
+ __get_user(env->gprh[i], &frame->mc_vregs.spe[i]);
}
#endif
- if (__get_user(env->spe_fscr, &frame->mc_vregs.spe[32]))
- return 1;
+ __get_user(env->spe_fscr, &frame->mc_vregs.spe[32]);
}
-
- return 0;
}
static void setup_frame(int sig, struct target_sigaction *ka,
struct target_sigcontext *sc;
target_ulong frame_addr, newsp;
int err = 0;
- int signal;
+#if defined(TARGET_PPC64)
+ struct image_info *image = ((TaskState *)thread_cpu->opaque)->info;
+#endif
frame_addr = get_sigframe(ka, env, sizeof(*frame));
+ trace_user_setup_frame(env, frame_addr);
if (!lock_user_struct(VERIFY_WRITE, frame, frame_addr, 1))
goto sigsegv;
sc = &frame->sctx;
- signal = current_exec_domain_sig(sig);
-
- 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]);
+ __put_user(ka->_sa_handler, &sc->handler);
+ __put_user(set->sig[0], &sc->oldmask);
+#if TARGET_ABI_BITS == 64
+ __put_user(set->sig[0] >> 32, &sc->_unused[3]);
#else
- err |= __put_user(set->sig[1], &sc->_unused[3]);
+ __put_user(set->sig[1], &sc->_unused[3]);
#endif
- err |= __put_user(h2g(&frame->mctx), &sc->regs);
- err |= __put_user(sig, &sc->signal);
+ __put_user(h2g(&frame->mctx), &sc->regs);
+ __put_user(sig, &sc->signal);
/* Save user regs. */
- err |= save_user_regs(env, &frame->mctx, TARGET_NR_sigreturn);
+ save_user_regs(env, &frame->mctx);
+
+ /* Construct the trampoline code on the stack. */
+ encode_trampoline(TARGET_NR_sigreturn, (uint32_t *)&frame->mctx.tramp);
/* The kernel checks for the presence of a VDSO here. We don't
emulate a vdso, so use a sigreturn system call. */
/* Set up registers for signal handler. */
env->gpr[1] = newsp;
- env->gpr[3] = signal;
+ env->gpr[3] = sig;
env->gpr[4] = frame_addr + offsetof(struct target_sigframe, sctx);
+
+#if defined(TARGET_PPC64)
+ if (get_ppc64_abi(image) < 2) {
+ /* ELFv1 PPC64 function pointers are pointers to OPD entries. */
+ struct target_func_ptr *handler =
+ (struct target_func_ptr *)g2h(ka->_sa_handler);
+ env->nip = tswapl(handler->entry);
+ env->gpr[2] = tswapl(handler->toc);
+ } else {
+ /* ELFv2 PPC64 function pointers are entry points, but R12
+ * must also be set */
+ env->nip = tswapl((target_ulong) ka->_sa_handler);
+ env->gpr[12] = env->nip;
+ }
+#else
env->nip = (target_ulong) ka->_sa_handler;
+#endif
+
/* Signal handlers are entered in big-endian mode. */
env->msr &= ~MSR_LE;
sigsegv:
unlock_user_struct(frame, frame_addr, 1);
- qemu_log("segfaulting from setup_frame\n");
force_sig(TARGET_SIGSEGV);
}
target_sigset_t *set, CPUPPCState *env)
{
struct target_rt_sigframe *rt_sf;
- struct target_mcontext *frame;
+ uint32_t *trampptr = 0;
+ struct target_mcontext *mctx = 0;
target_ulong rt_sf_addr, newsp = 0;
int i, err = 0;
- int signal;
+#if defined(TARGET_PPC64)
+ struct image_info *image = ((TaskState *)thread_cpu->opaque)->info;
+#endif
rt_sf_addr = get_sigframe(ka, env, sizeof(*rt_sf));
if (!lock_user_struct(VERIFY_WRITE, rt_sf, rt_sf_addr, 1))
goto sigsegv;
- signal = current_exec_domain_sig(sig);
+ tswap_siginfo(&rt_sf->info, info);
- err |= copy_siginfo_to_user(&rt_sf->info, info);
-
- err |= __put_user(0, &rt_sf->uc.tuc_flags);
- err |= __put_user(0, &rt_sf->uc.tuc_link);
- err |= __put_user((target_ulong)target_sigaltstack_used.ss_sp,
- &rt_sf->uc.tuc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(env->gpr[1]),
- &rt_sf->uc.tuc_stack.ss_flags);
- err |= __put_user(target_sigaltstack_used.ss_size,
- &rt_sf->uc.tuc_stack.ss_size);
- err |= __put_user(h2g (&rt_sf->uc.tuc_mcontext),
- &rt_sf->uc.tuc_regs);
+ __put_user(0, &rt_sf->uc.tuc_flags);
+ __put_user(0, &rt_sf->uc.tuc_link);
+ __put_user((target_ulong)target_sigaltstack_used.ss_sp,
+ &rt_sf->uc.tuc_stack.ss_sp);
+ __put_user(sas_ss_flags(env->gpr[1]),
+ &rt_sf->uc.tuc_stack.ss_flags);
+ __put_user(target_sigaltstack_used.ss_size,
+ &rt_sf->uc.tuc_stack.ss_size);
+#if !defined(TARGET_PPC64)
+ __put_user(h2g (&rt_sf->uc.tuc_mcontext),
+ &rt_sf->uc.tuc_regs);
+#endif
for(i = 0; i < TARGET_NSIG_WORDS; i++) {
- err |= __put_user(set->sig[i], &rt_sf->uc.tuc_sigmask.sig[i]);
+ __put_user(set->sig[i], &rt_sf->uc.tuc_sigmask.sig[i]);
}
- frame = &rt_sf->uc.tuc_mcontext;
- err |= save_user_regs(env, frame, TARGET_NR_rt_sigreturn);
+#if defined(TARGET_PPC64)
+ mctx = &rt_sf->uc.tuc_sigcontext.mcontext;
+ trampptr = &rt_sf->trampoline[0];
+#else
+ mctx = &rt_sf->uc.tuc_mcontext;
+ trampptr = (uint32_t *)&rt_sf->uc.tuc_mcontext.tramp;
+#endif
+
+ save_user_regs(env, mctx);
+ encode_trampoline(TARGET_NR_rt_sigreturn, trampptr);
/* The kernel checks for the presence of a VDSO here. We don't
emulate a vdso, so use a sigreturn system call. */
- env->lr = (target_ulong) h2g(frame->tramp);
+ env->lr = (target_ulong) h2g(trampptr);
/* Turn off all fp exceptions. */
env->fpscr = 0;
/* Create a stack frame for the caller of the handler. */
newsp = rt_sf_addr - (SIGNAL_FRAMESIZE + 16);
- 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] = (target_ulong) signal;
+ env->gpr[3] = (target_ulong) sig;
env->gpr[4] = (target_ulong) h2g(&rt_sf->info);
env->gpr[5] = (target_ulong) h2g(&rt_sf->uc);
env->gpr[6] = (target_ulong) h2g(rt_sf);
+
+#if defined(TARGET_PPC64)
+ if (get_ppc64_abi(image) < 2) {
+ /* ELFv1 PPC64 function pointers are pointers to OPD entries. */
+ struct target_func_ptr *handler =
+ (struct target_func_ptr *)g2h(ka->_sa_handler);
+ env->nip = tswapl(handler->entry);
+ env->gpr[2] = tswapl(handler->toc);
+ } else {
+ /* ELFv2 PPC64 function pointers are entry points, but R12
+ * must also be set */
+ env->nip = tswapl((target_ulong) ka->_sa_handler);
+ env->gpr[12] = env->nip;
+ }
+#else
env->nip = (target_ulong) ka->_sa_handler;
+#endif
+
/* Signal handlers are entered in big-endian mode. */
env->msr &= ~MSR_LE;
sigsegv:
unlock_user_struct(rt_sf, rt_sf_addr, 1);
- qemu_log("segfaulting from setup_rt_frame\n");
force_sig(TARGET_SIGSEGV);
}
goto sigsegv;
#if defined(TARGET_PPC64)
- set.sig[0] = sc->oldmask + ((long)(sc->_unused[3]) << 32);
+ set.sig[0] = sc->oldmask + ((uint64_t)(sc->_unused[3]) << 32);
#else
- if(__get_user(set.sig[0], &sc->oldmask) ||
- __get_user(set.sig[1], &sc->_unused[3]))
- goto sigsegv;
+ __get_user(set.sig[0], &sc->oldmask);
+ __get_user(set.sig[1], &sc->_unused[3]);
#endif
target_to_host_sigset_internal(&blocked, &set);
do_sigprocmask(SIG_SETMASK, &blocked, NULL);
- if (__get_user(sr_addr, &sc->regs))
- goto sigsegv;
+ __get_user(sr_addr, &sc->regs);
if (!lock_user_struct(VERIFY_READ, sr, sr_addr, 1))
goto sigsegv;
- if (restore_user_regs(env, sr, 1))
- goto sigsegv;
+ restore_user_regs(env, sr, 1);
unlock_user_struct(sr, sr_addr, 1);
unlock_user_struct(sc, sc_addr, 1);
sigsegv:
unlock_user_struct(sr, sr_addr, 1);
unlock_user_struct(sc, sc_addr, 1);
- qemu_log("segfaulting from do_sigreturn\n");
force_sig(TARGET_SIGSEGV);
return 0;
}
return 1;
#if defined(TARGET_PPC64)
- fprintf (stderr, "do_setcontext: not implemented\n");
- return 0;
+ mcp_addr = h2g(ucp) +
+ offsetof(struct target_ucontext, tuc_sigcontext.mcontext);
#else
- if (__get_user(mcp_addr, &ucp->tuc_regs))
- return 1;
+ __get_user(mcp_addr, &ucp->tuc_regs);
+#endif
if (!lock_user_struct(VERIFY_READ, mcp, mcp_addr, 1))
return 1;
target_to_host_sigset_internal(&blocked, &set);
do_sigprocmask(SIG_SETMASK, &blocked, NULL);
- if (restore_user_regs(env, mcp, sig))
- goto sigsegv;
+ restore_user_regs(env, mcp, sig);
unlock_user_struct(mcp, mcp_addr, 1);
return 0;
-
-sigsegv:
- unlock_user_struct(mcp, mcp_addr, 1);
- return 1;
-#endif
}
long do_rt_sigreturn(CPUPPCState *env)
sigsegv:
unlock_user_struct(rt_sf, rt_sf_addr, 1);
- qemu_log("segfaulting from do_rt_sigreturn\n");
force_sig(TARGET_SIGSEGV);
return 0;
}
struct target_ucontext uc;
};
-static int
-setup_sigcontext(struct target_sigcontext *sc, CPUM68KState *env,
- abi_ulong mask)
+static void setup_sigcontext(struct target_sigcontext *sc, CPUM68KState *env,
+ abi_ulong mask)
{
- int err = 0;
-
- err |= __put_user(mask, &sc->sc_mask);
- err |= __put_user(env->aregs[7], &sc->sc_usp);
- err |= __put_user(env->dregs[0], &sc->sc_d0);
- err |= __put_user(env->dregs[1], &sc->sc_d1);
- err |= __put_user(env->aregs[0], &sc->sc_a0);
- err |= __put_user(env->aregs[1], &sc->sc_a1);
- err |= __put_user(env->sr, &sc->sc_sr);
- err |= __put_user(env->pc, &sc->sc_pc);
-
- return err;
+ __put_user(mask, &sc->sc_mask);
+ __put_user(env->aregs[7], &sc->sc_usp);
+ __put_user(env->dregs[0], &sc->sc_d0);
+ __put_user(env->dregs[1], &sc->sc_d1);
+ __put_user(env->aregs[0], &sc->sc_a0);
+ __put_user(env->aregs[1], &sc->sc_a1);
+ __put_user(env->sr, &sc->sc_sr);
+ __put_user(env->pc, &sc->sc_pc);
}
-static int
+static void
restore_sigcontext(CPUM68KState *env, struct target_sigcontext *sc, int *pd0)
{
- int err = 0;
int temp;
- err |= __get_user(env->aregs[7], &sc->sc_usp);
- err |= __get_user(env->dregs[1], &sc->sc_d1);
- err |= __get_user(env->aregs[0], &sc->sc_a0);
- err |= __get_user(env->aregs[1], &sc->sc_a1);
- err |= __get_user(env->pc, &sc->sc_pc);
- err |= __get_user(temp, &sc->sc_sr);
+ __get_user(env->aregs[7], &sc->sc_usp);
+ __get_user(env->dregs[1], &sc->sc_d1);
+ __get_user(env->aregs[0], &sc->sc_a0);
+ __get_user(env->aregs[1], &sc->sc_a1);
+ __get_user(env->pc, &sc->sc_pc);
+ __get_user(temp, &sc->sc_sr);
env->sr = (env->sr & 0xff00) | (temp & 0xff);
*pd0 = tswapl(sc->sc_d0);
-
- return err;
}
/*
abi_ulong frame_addr;
abi_ulong retcode_addr;
abi_ulong sc_addr;
- int err = 0;
int i;
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;
- err |= __put_user(sig, &frame->sig);
+ __put_user(sig, &frame->sig);
sc_addr = frame_addr + offsetof(struct target_sigframe, sc);
- err |= __put_user(sc_addr, &frame->psc);
+ __put_user(sc_addr, &frame->psc);
- err |= setup_sigcontext(&frame->sc, env, set->sig[0]);
- if (err)
- goto give_sigsegv;
+ setup_sigcontext(&frame->sc, env, set->sig[0]);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->extramask[i - 1]))
- goto give_sigsegv;
+ __put_user(set->sig[i], &frame->extramask[i - 1]);
}
/* Set up to return from userspace. */
retcode_addr = frame_addr + offsetof(struct target_sigframe, retcode);
- err |= __put_user(retcode_addr, &frame->pretcode);
+ __put_user(retcode_addr, &frame->pretcode);
/* moveq #,d0; trap #0 */
- err |= __put_user(0x70004e40 + (TARGET_NR_sigreturn << 16),
- (long *)(frame->retcode));
-
- if (err)
- goto give_sigsegv;
+ __put_user(0x70004e40 + (TARGET_NR_sigreturn << 16),
+ (uint32_t *)(frame->retcode));
/* Set up to return from userspace */
return;
give_sigsegv:
- unlock_user_struct(frame, frame_addr, 1);
force_sig(TARGET_SIGSEGV);
}
CPUM68KState *env)
{
target_greg_t *gregs = uc->tuc_mcontext.gregs;
- int err;
- err = __put_user(TARGET_MCONTEXT_VERSION, &uc->tuc_mcontext.version);
- err |= __put_user(env->dregs[0], &gregs[0]);
- err |= __put_user(env->dregs[1], &gregs[1]);
- err |= __put_user(env->dregs[2], &gregs[2]);
- err |= __put_user(env->dregs[3], &gregs[3]);
- err |= __put_user(env->dregs[4], &gregs[4]);
- err |= __put_user(env->dregs[5], &gregs[5]);
- err |= __put_user(env->dregs[6], &gregs[6]);
- err |= __put_user(env->dregs[7], &gregs[7]);
- err |= __put_user(env->aregs[0], &gregs[8]);
- err |= __put_user(env->aregs[1], &gregs[9]);
- err |= __put_user(env->aregs[2], &gregs[10]);
- err |= __put_user(env->aregs[3], &gregs[11]);
- err |= __put_user(env->aregs[4], &gregs[12]);
- err |= __put_user(env->aregs[5], &gregs[13]);
- err |= __put_user(env->aregs[6], &gregs[14]);
- err |= __put_user(env->aregs[7], &gregs[15]);
- err |= __put_user(env->pc, &gregs[16]);
- err |= __put_user(env->sr, &gregs[17]);
+ __put_user(TARGET_MCONTEXT_VERSION, &uc->tuc_mcontext.version);
+ __put_user(env->dregs[0], &gregs[0]);
+ __put_user(env->dregs[1], &gregs[1]);
+ __put_user(env->dregs[2], &gregs[2]);
+ __put_user(env->dregs[3], &gregs[3]);
+ __put_user(env->dregs[4], &gregs[4]);
+ __put_user(env->dregs[5], &gregs[5]);
+ __put_user(env->dregs[6], &gregs[6]);
+ __put_user(env->dregs[7], &gregs[7]);
+ __put_user(env->aregs[0], &gregs[8]);
+ __put_user(env->aregs[1], &gregs[9]);
+ __put_user(env->aregs[2], &gregs[10]);
+ __put_user(env->aregs[3], &gregs[11]);
+ __put_user(env->aregs[4], &gregs[12]);
+ __put_user(env->aregs[5], &gregs[13]);
+ __put_user(env->aregs[6], &gregs[14]);
+ __put_user(env->aregs[7], &gregs[15]);
+ __put_user(env->pc, &gregs[16]);
+ __put_user(env->sr, &gregs[17]);
- return err;
+ return 0;
}
static inline int target_rt_restore_ucontext(CPUM68KState *env,
int *pd0)
{
int temp;
- int err;
target_greg_t *gregs = uc->tuc_mcontext.gregs;
- err = __get_user(temp, &uc->tuc_mcontext.version);
+ __get_user(temp, &uc->tuc_mcontext.version);
if (temp != TARGET_MCONTEXT_VERSION)
goto badframe;
/* restore passed registers */
- err |= __get_user(env->dregs[0], &gregs[0]);
- err |= __get_user(env->dregs[1], &gregs[1]);
- err |= __get_user(env->dregs[2], &gregs[2]);
- err |= __get_user(env->dregs[3], &gregs[3]);
- err |= __get_user(env->dregs[4], &gregs[4]);
- err |= __get_user(env->dregs[5], &gregs[5]);
- err |= __get_user(env->dregs[6], &gregs[6]);
- err |= __get_user(env->dregs[7], &gregs[7]);
- err |= __get_user(env->aregs[0], &gregs[8]);
- err |= __get_user(env->aregs[1], &gregs[9]);
- err |= __get_user(env->aregs[2], &gregs[10]);
- err |= __get_user(env->aregs[3], &gregs[11]);
- err |= __get_user(env->aregs[4], &gregs[12]);
- err |= __get_user(env->aregs[5], &gregs[13]);
- err |= __get_user(env->aregs[6], &gregs[14]);
- err |= __get_user(env->aregs[7], &gregs[15]);
- err |= __get_user(env->pc, &gregs[16]);
- err |= __get_user(temp, &gregs[17]);
+ __get_user(env->dregs[0], &gregs[0]);
+ __get_user(env->dregs[1], &gregs[1]);
+ __get_user(env->dregs[2], &gregs[2]);
+ __get_user(env->dregs[3], &gregs[3]);
+ __get_user(env->dregs[4], &gregs[4]);
+ __get_user(env->dregs[5], &gregs[5]);
+ __get_user(env->dregs[6], &gregs[6]);
+ __get_user(env->dregs[7], &gregs[7]);
+ __get_user(env->aregs[0], &gregs[8]);
+ __get_user(env->aregs[1], &gregs[9]);
+ __get_user(env->aregs[2], &gregs[10]);
+ __get_user(env->aregs[3], &gregs[11]);
+ __get_user(env->aregs[4], &gregs[12]);
+ __get_user(env->aregs[5], &gregs[13]);
+ __get_user(env->aregs[6], &gregs[14]);
+ __get_user(env->aregs[7], &gregs[15]);
+ __get_user(env->pc, &gregs[16]);
+ __get_user(temp, &gregs[17]);
env->sr = (env->sr & 0xff00) | (temp & 0xff);
*pd0 = env->dregs[0];
- return err;
+ return 0;
badframe:
return 1;
int i;
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;
- err |= __put_user(sig, &frame->sig);
+ __put_user(sig, &frame->sig);
info_addr = frame_addr + offsetof(struct target_rt_sigframe, info);
- err |= __put_user(info_addr, &frame->pinfo);
+ __put_user(info_addr, &frame->pinfo);
uc_addr = frame_addr + offsetof(struct target_rt_sigframe, uc);
- err |= __put_user(uc_addr, &frame->puc);
+ __put_user(uc_addr, &frame->puc);
- err |= copy_siginfo_to_user(&frame->info, info);
+ tswap_siginfo(&frame->info, info);
/* Create the ucontext */
- 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->aregs[7]),
- &frame->uc.tuc_stack.ss_flags);
- err |= __put_user(target_sigaltstack_used.ss_size,
- &frame->uc.tuc_stack.ss_size);
+ __put_user(0, &frame->uc.tuc_flags);
+ __put_user(0, &frame->uc.tuc_link);
+ __put_user(target_sigaltstack_used.ss_sp,
+ &frame->uc.tuc_stack.ss_sp);
+ __put_user(sas_ss_flags(env->aregs[7]),
+ &frame->uc.tuc_stack.ss_flags);
+ __put_user(target_sigaltstack_used.ss_size,
+ &frame->uc.tuc_stack.ss_size);
err |= target_rt_setup_ucontext(&frame->uc, env);
if (err)
goto give_sigsegv;
for(i = 0; i < TARGET_NSIG_WORDS; i++) {
- if (__put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]))
- goto give_sigsegv;
+ __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
}
/* Set up to return from userspace. */
retcode_addr = frame_addr + offsetof(struct target_sigframe, retcode);
- err |= __put_user(retcode_addr, &frame->pretcode);
+ __put_user(retcode_addr, &frame->pretcode);
/* moveq #,d0; notb d0; trap #0 */
- err |= __put_user(0x70004600 + ((TARGET_NR_rt_sigreturn ^ 0xff) << 16),
- (long *)(frame->retcode + 0));
- err |= __put_user(0x4e40, (short *)(frame->retcode + 4));
+ __put_user(0x70004600 + ((TARGET_NR_rt_sigreturn ^ 0xff) << 16),
+ (uint32_t *)(frame->retcode + 0));
+ __put_user(0x4e40, (uint16_t *)(frame->retcode + 4));
if (err)
goto give_sigsegv;
sigset_t set;
int d0, i;
+ trace_user_do_sigreturn(env, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
/* set blocked signals */
- if (__get_user(target_set.sig[0], &frame->sc.sc_mask))
- goto badframe;
+ __get_user(target_set.sig[0], &frame->sc.sc_mask);
for(i = 1; i < TARGET_NSIG_WORDS; i++) {
- if (__get_user(target_set.sig[i], &frame->extramask[i - 1]))
- goto badframe;
+ __get_user(target_set.sig[i], &frame->extramask[i - 1]);
}
target_to_host_sigset_internal(&set, &target_set);
/* restore registers */
- if (restore_sigcontext(env, &frame->sc, &d0))
- goto badframe;
+ restore_sigcontext(env, &frame->sc, &d0);
unlock_user_struct(frame, frame_addr, 0);
return d0;
badframe:
- unlock_user_struct(frame, frame_addr, 0);
force_sig(TARGET_SIGSEGV);
return 0;
}
sigset_t set;
int d0;
+ trace_user_do_rt_sigreturn(env, frame_addr);
if (!lock_user_struct(VERIFY_READ, frame, frame_addr, 1))
goto badframe;
#define INSN_LDI_R0 0x201f0000
#define INSN_CALLSYS 0x00000083
-static int setup_sigcontext(struct target_sigcontext *sc, CPUAlphaState *env,
+static void setup_sigcontext(struct target_sigcontext *sc, CPUAlphaState *env,
abi_ulong frame_addr, target_sigset_t *set)
{
- int i, err = 0;
+ int i;
- err |= __put_user(on_sig_stack(frame_addr), &sc->sc_onstack);
- err |= __put_user(set->sig[0], &sc->sc_mask);
- err |= __put_user(env->pc, &sc->sc_pc);
- err |= __put_user(8, &sc->sc_ps);
+ __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) {
- err |= __put_user(env->ir[i], &sc->sc_regs[i]);
+ __put_user(env->ir[i], &sc->sc_regs[i]);
}
- err |= __put_user(0, &sc->sc_regs[31]);
+ __put_user(0, &sc->sc_regs[31]);
for (i = 0; i < 31; ++i) {
- err |= __put_user(env->fir[i], &sc->sc_fpregs[i]);
+ __put_user(env->fir[i], &sc->sc_fpregs[i]);
}
- err |= __put_user(0, &sc->sc_fpregs[31]);
- err |= __put_user(cpu_alpha_load_fpcr(env), &sc->sc_fpcr);
-
- err |= __put_user(0, &sc->sc_traparg_a0); /* FIXME */
- err |= __put_user(0, &sc->sc_traparg_a1); /* FIXME */
- err |= __put_user(0, &sc->sc_traparg_a2); /* FIXME */
+ __put_user(0, &sc->sc_fpregs[31]);
+ __put_user(cpu_alpha_load_fpcr(env), &sc->sc_fpcr);
- return err;
+ __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 int restore_sigcontext(CPUAlphaState *env,
+static void restore_sigcontext(CPUAlphaState *env,
struct target_sigcontext *sc)
{
uint64_t fpcr;
- int i, err = 0;
+ int i;
- err |= __get_user(env->pc, &sc->sc_pc);
+ __get_user(env->pc, &sc->sc_pc);
for (i = 0; i < 31; ++i) {
- err |= __get_user(env->ir[i], &sc->sc_regs[i]);
+ __get_user(env->ir[i], &sc->sc_regs[i]);
}
for (i = 0; i < 31; ++i) {
- err |= __get_user(env->fir[i], &sc->sc_fpregs[i]);
+ __get_user(env->fir[i], &sc->sc_fpregs[i]);
}
- err |= __get_user(fpcr, &sc->sc_fpcr);
+ __get_user(fpcr, &sc->sc_fpcr);
cpu_alpha_store_fpcr(env, fpcr);
-
- return err;
}
static inline abi_ulong get_sigframe(struct target_sigaction *sa,
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;
}
- err |= setup_sigcontext(&frame->sc, env, frame_addr, set);
+ setup_sigcontext(&frame->sc, env, frame_addr, set);
if (ka->sa_restorer) {
r26 = ka->sa_restorer;
} else {
- err |= __put_user(INSN_MOV_R30_R16, &frame->retcode[0]);
- err |= __put_user(INSN_LDI_R0 + TARGET_NR_sigreturn,
- &frame->retcode[1]);
- err |= __put_user(INSN_CALLSYS, &frame->retcode[2]);
+ __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;
}
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;
}
- err |= copy_siginfo_to_user(&frame->info, info);
+ tswap_siginfo(&frame->info, info);
- err |= __put_user(0, &frame->uc.tuc_flags);
- err |= __put_user(0, &frame->uc.tuc_link);
- err |= __put_user(set->sig[0], &frame->uc.tuc_osf_sigmask);
- err |= __put_user(target_sigaltstack_used.ss_sp,
- &frame->uc.tuc_stack.ss_sp);
- err |= __put_user(sas_ss_flags(env->ir[IR_SP]),
- &frame->uc.tuc_stack.ss_flags);
- err |= __put_user(target_sigaltstack_used.ss_size,
- &frame->uc.tuc_stack.ss_size);
- err |= setup_sigcontext(&frame->uc.tuc_mcontext, env, frame_addr, set);
+ __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) {
- err |= __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
+ __put_user(set->sig[i], &frame->uc.tuc_sigmask.sig[i]);
}
if (ka->sa_restorer) {
r26 = ka->sa_restorer;
} else {
- err |= __put_user(INSN_MOV_R30_R16, &frame->retcode[0]);
- err |= __put_user(INSN_LDI_R0 + TARGET_NR_rt_sigreturn,
- &frame->retcode[1]);
- err |= __put_user(INSN_CALLSYS, &frame->retcode[2]);
+ __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;
}
}
target_sigemptyset(&target_set);
- if (__get_user(target_set.sig[0], &sc->sc_mask)) {
- goto badframe;
- }
+ __get_user(target_set.sig[0], &sc->sc_mask);
target_to_host_sigset_internal(&set, &target_set);
do_sigprocmask(SIG_SETMASK, &set, NULL);
- if (restore_sigcontext(env, sc)) {
- goto badframe;
- }
+ restore_sigcontext(env, sc);
unlock_user_struct(sc, sc_addr, 0);
return env->ir[IR_V0];
badframe:
- unlock_user_struct(sc, sc_addr, 0);
force_sig(TARGET_SIGSEGV);
}
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);
do_sigprocmask(SIG_SETMASK, &set, NULL);
- if (restore_sigcontext(env, &frame->uc.tuc_mcontext)) {
- goto badframe;
- }
+ 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) {
force_sig(TARGET_SIGSEGV);
}
+#elif defined(TARGET_TILEGX)
+
+struct target_sigcontext {
+ union {
+ /* General-purpose registers. */
+ abi_ulong gregs[56];
+ struct {
+ abi_ulong __gregs[53];
+ abi_ulong tp; /* Aliases gregs[TREG_TP]. */
+ abi_ulong sp; /* Aliases gregs[TREG_SP]. */
+ abi_ulong lr; /* Aliases gregs[TREG_LR]. */
+ };
+ };
+ abi_ulong pc; /* Program counter. */
+ abi_ulong ics; /* In Interrupt Critical Section? */
+ abi_ulong faultnum; /* Fault number. */
+ abi_ulong pad[5];
+};
+
+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 {
+ unsigned char save_area[16]; /* caller save area */
+ struct target_siginfo info;
+ struct target_ucontext uc;
+};
+
+static void setup_sigcontext(struct target_sigcontext *sc,
+ CPUArchState *env, int signo)
+{
+ int i;
+
+ for (i = 0; i < TILEGX_R_COUNT; ++i) {
+ __put_user(env->regs[i], &sc->gregs[i]);
+ }
+
+ __put_user(env->pc, &sc->pc);
+ __put_user(0, &sc->ics);
+ __put_user(signo, &sc->faultnum);
+}
+
+static void restore_sigcontext(CPUTLGState *env, struct target_sigcontext *sc)
+{
+ int i;
+
+ for (i = 0; i < TILEGX_R_COUNT; ++i) {
+ __get_user(env->regs[i], &sc->gregs[i]);
+ }
+
+ __get_user(env->pc, &sc->pc);
+}
+
+static abi_ulong get_sigframe(struct target_sigaction *ka, CPUArchState *env,
+ size_t frame_size)
+{
+ unsigned long sp = env->regs[TILEGX_R_SP];
+
+ if (on_sig_stack(sp) && !likely(on_sig_stack(sp - frame_size))) {
+ return -1UL;
+ }
+
+ if ((ka->sa_flags & SA_ONSTACK) && !sas_ss_flags(sp)) {
+ sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
+ }
+
+ sp -= frame_size;
+ sp &= -16UL;
+ return sp;
+}
+
+static void setup_rt_frame(int sig, struct target_sigaction *ka,
+ target_siginfo_t *info,
+ target_sigset_t *set, CPUArchState *env)
+{
+ abi_ulong frame_addr;
+ struct target_rt_sigframe *frame;
+ unsigned long restorer;
+
+ 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;
+ }
+
+ /* Always write at least the signal number for the stack backtracer. */
+ if (ka->sa_flags & TARGET_SA_SIGINFO) {
+ /* At sigreturn time, restore the callee-save registers too. */
+ tswap_siginfo(&frame->info, info);
+ /* regs->flags |= PT_FLAGS_RESTORE_REGS; FIXME: we can skip it? */
+ } else {
+ __put_user(info->si_signo, &frame->info.si_signo);
+ }
+
+ /* Create the ucontext. */
+ __put_user(0, &frame->uc.tuc_flags);
+ __put_user(0, &frame->uc.tuc_link);
+ __put_user(target_sigaltstack_used.ss_sp, &frame->uc.tuc_stack.ss_sp);
+ __put_user(sas_ss_flags(env->regs[TILEGX_R_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, info->si_signo);
+
+ restorer = (unsigned long) do_rt_sigreturn;
+ if (ka->sa_flags & TARGET_SA_RESTORER) {
+ restorer = (unsigned long) ka->sa_restorer;
+ }
+ env->pc = (unsigned long) ka->_sa_handler;
+ env->regs[TILEGX_R_SP] = (unsigned long) frame;
+ env->regs[TILEGX_R_LR] = restorer;
+ env->regs[0] = (unsigned long) sig;
+ env->regs[1] = (unsigned long) &frame->info;
+ env->regs[2] = (unsigned long) &frame->uc;
+ /* regs->flags |= PT_FLAGS_CALLER_SAVES; FIXME: we can skip it? */
+
+ unlock_user_struct(frame, frame_addr, 1);
+ return;
+
+give_sigsegv:
+ if (sig == TARGET_SIGSEGV) {
+ ka->_sa_handler = TARGET_SIG_DFL;
+ }
+ force_sig(TARGET_SIGSEGV /* , current */);
+}
+
+long do_rt_sigreturn(CPUTLGState *env)
+{
+ abi_ulong frame_addr = env->regs[TILEGX_R_SP];
+ 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);
+ do_sigprocmask(SIG_SETMASK, &set, NULL);
+
+ restore_sigcontext(env, &frame->uc.tuc_mcontext);
+ if (do_sigaltstack(frame_addr + offsetof(struct target_rt_sigframe,
+ uc.tuc_stack),
+ 0, env->regs[TILEGX_R_SP]) == -EFAULT) {
+ goto badframe;
+ }
+
+ unlock_user_struct(frame, frame_addr, 0);
+ return env->regs[TILEGX_R_RE];
+
+
+ badframe:
+ unlock_user_struct(frame, frame_addr, 0);
+ force_sig(TARGET_SIGSEGV);
+}
+
#else
static void setup_frame(int sig, struct target_sigaction *ka,
return;
handle_signal:
-#ifdef DEBUG_SIGNAL
- fprintf(stderr, "qemu: process signal %d\n", sig);
-#endif
+ trace_user_handle_signal(cpu_env, sig);
/* dequeue signal */
q = k->first;
k->first = q->next;
}
#endif
/* prepare the stack frame of the virtual CPU */
-#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64)
+#if defined(TARGET_ABI_MIPSN32) || defined(TARGET_ABI_MIPSN64) \
+ || defined(TARGET_OPENRISC) || defined(TARGET_TILEGX)
/* These targets do not have traditional signals. */
setup_rt_frame(sig, sa, &q->info, &target_old_set, cpu_env);
#else
projects / qemu.git / blobdiff