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Commit a0e3315d authored by David S. Miller's avatar David S. Miller
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Merge nuts.ninka.net:/home/davem/src/BK/sparcwork-2.5 

into nuts.ninka.net:/home/davem/src/BK/sparc-2.5
parents 898df34c 35ecc0e9
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Showing with 553 additions and 563 deletions
arch/sparc/kernel/signal.c
View file @ a0e3315d
......@@ -56,7 +56,7 @@ struct signal_sframe {
struct reg_window sig_window;
int sig_num;
int sig_code;
struct sigcontext *sig_scptr;
struct sigcontext __user *sig_scptr;
int sig_address;
struct sigcontext sig_context;
unsigned int extramask[_NSIG_WORDS - 1];
......@@ -71,8 +71,8 @@ struct signal_sframe {
struct new_signal_frame {
struct sparc_stackf ss;
__siginfo_t info;
__siginfo_fpu_t *fpu_save;
unsigned long insns [2] __attribute__ ((aligned (8)));
__siginfo_fpu_t __user *fpu_save;
unsigned long insns[2] __attribute__ ((aligned (8)));
unsigned int extramask[_NSIG_WORDS - 1];
unsigned int extra_size; /* Should be 0 */
__siginfo_fpu_t fpu_state;
......@@ -83,8 +83,8 @@ struct rt_signal_frame {
siginfo_t info;
struct pt_regs regs;
sigset_t mask;
__siginfo_fpu_t *fpu_save;
unsigned int insns [2];
__siginfo_fpu_t __user *fpu_save;
unsigned int insns[2];
stack_t stack;
unsigned int extra_size; /* Should be 0 */
__siginfo_fpu_t fpu_state;
......@@ -142,7 +142,7 @@ asmlinkage void do_sigsuspend (struct pt_regs *regs)
_sigpause_common(regs->u_regs[UREG_I0], regs);
}
asmlinkage void do_rt_sigsuspend(sigset_t *uset, size_t sigsetsize,
asmlinkage void do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize,
struct pt_regs *regs)
{
sigset_t oldset, set;
......@@ -190,7 +190,7 @@ asmlinkage void do_rt_sigsuspend(sigset_t *uset, size_t sigsetsize,
}
static inline int
restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
int err;
#ifdef CONFIG_SMP
......@@ -205,7 +205,7 @@ restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
current->used_math = 1;
clear_tsk_thread_flag(current, TIF_USEDFPU);
if (verify_area (VERIFY_READ, fpu, sizeof(*fpu)))
if (verify_area(VERIFY_READ, fpu, sizeof(*fpu)))
return -EFAULT;
err = __copy_from_user(&current->thread.float_regs[0], &fpu->si_float_regs[0],
......@@ -222,16 +222,16 @@ restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
static inline void do_new_sigreturn (struct pt_regs *regs)
{
struct new_signal_frame *sf;
struct new_signal_frame __user *sf;
unsigned long up_psr, pc, npc;
sigset_t set;
__siginfo_fpu_t *fpu_save;
__siginfo_fpu_t __user *fpu_save;
int err;
sf = (struct new_signal_frame *) regs->u_regs [UREG_FP];
sf = (struct new_signal_frame __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
if (verify_area (VERIFY_READ, sf, sizeof (*sf)))
if (verify_area(VERIFY_READ, sf, sizeof(*sf)))
goto segv_and_exit;
if (((uint) sf) & 3)
......@@ -245,7 +245,7 @@ static inline void do_new_sigreturn (struct pt_regs *regs)
/* 2. Restore the state */
up_psr = regs->psr;
err |= __copy_from_user(regs, &sf->info.si_regs, sizeof (struct pt_regs));
err |= __copy_from_user(regs, &sf->info.si_regs, sizeof(struct pt_regs));
/* User can only change condition codes and FPU enabling in %psr. */
regs->psr = (up_psr & ~(PSR_ICC | PSR_EF))
......@@ -279,7 +279,7 @@ static inline void do_new_sigreturn (struct pt_regs *regs)
asmlinkage void do_sigreturn(struct pt_regs *regs)
{
struct sigcontext *scptr;
struct sigcontext __user *scptr;
unsigned long pc, npc, psr;
sigset_t set;
int err;
......@@ -287,19 +287,19 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
synchronize_user_stack();
if (current->thread.new_signal)
return do_new_sigreturn (regs);
return do_new_sigreturn(regs);
scptr = (struct sigcontext *) regs->u_regs[UREG_I0];
scptr = (struct sigcontext __user *) regs->u_regs[UREG_I0];
/* Check sanity of the user arg. */
if(verify_area(VERIFY_READ, scptr, sizeof(struct sigcontext)) ||
(((unsigned long) scptr) & 3))
if (verify_area(VERIFY_READ, scptr, sizeof(struct sigcontext)) ||
(((unsigned long) scptr) & 3))
goto segv_and_exit;
err = __get_user(pc, &scptr->sigc_pc);
err |= __get_user(npc, &scptr->sigc_npc);
if((pc | npc) & 3)
if ((pc | npc) & 3)
goto segv_and_exit;
/* This is pretty much atomic, no amount locking would prevent
......@@ -341,17 +341,17 @@ asmlinkage void do_sigreturn(struct pt_regs *regs)
asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
{
struct rt_signal_frame *sf;
struct rt_signal_frame __user *sf;
unsigned int psr, pc, npc;
__siginfo_fpu_t *fpu_save;
__siginfo_fpu_t __user *fpu_save;
sigset_t set;
stack_t st;
int err;
synchronize_user_stack();
sf = (struct rt_signal_frame *) regs->u_regs[UREG_FP];
if(verify_area(VERIFY_READ, sf, sizeof(*sf)) ||
(((unsigned long) sf) & 0x03))
sf = (struct rt_signal_frame __user *) regs->u_regs[UREG_FP];
if (verify_area(VERIFY_READ, sf, sizeof(*sf)) ||
(((unsigned long) sf) & 0x03))
goto segv;
err = __get_user(pc, &sf->regs.pc);
......@@ -361,13 +361,14 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
err |= __get_user(regs->y, &sf->regs.y);
err |= __get_user(psr, &sf->regs.psr);
err |= __copy_from_user(&regs->u_regs[UREG_G1], &sf->regs.u_regs[UREG_G1], 15*sizeof(u32));
err |= __copy_from_user(&regs->u_regs[UREG_G1],
&sf->regs.u_regs[UREG_G1], 15 * sizeof(u32));
regs->psr = (regs->psr & ~PSR_ICC) | (psr & PSR_ICC);
err |= __get_user(fpu_save, &sf->fpu_save);
if(fpu_save)
if (fpu_save)
err |= restore_fpu_state(regs, fpu_save);
err |= __copy_from_user(&set, &sf->mask, sizeof(sigset_t));
......@@ -380,7 +381,8 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
regs->npc = npc;
/* It is more difficult to avoid calling this function than to
call it and ignore errors. */
* call it and ignore errors.
*/
do_sigaltstack(&st, NULL, (unsigned long)sf);
sigdelsetmask(&set, ~_BLOCKABLE);
......@@ -394,7 +396,7 @@ asmlinkage void do_rt_sigreturn(struct pt_regs *regs)
}
/* Checks if the fp is valid */
static inline int invalid_frame_pointer (void *fp, int fplen)
static inline int invalid_frame_pointer(void __user *fp, int fplen)
{
if ((((unsigned long) fp) & 7) ||
!__access_ok((unsigned long)fp, fplen) ||
......@@ -405,7 +407,7 @@ static inline int invalid_frame_pointer (void *fp, int fplen)
return 0;
}
static inline void *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned long framesize)
static inline void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned long framesize)
{
unsigned long sp;
......@@ -416,14 +418,14 @@ static inline void *get_sigframe(struct sigaction *sa, struct pt_regs *regs, uns
if (!on_sig_stack(sp) && !((current->sas_ss_sp + current->sas_ss_size) & 7))
sp = current->sas_ss_sp + current->sas_ss_size;
}
return (void *)(sp - framesize);
return (void __user *)(sp - framesize);
}
static inline void
setup_frame(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *oldset, siginfo_t *info)
{
struct signal_sframe *sframep;
struct sigcontext *sc;
struct signal_sframe __user *sframep;
struct sigcontext __user *sc;
int window = 0, err;
unsigned long pc = regs->pc;
unsigned long npc = regs->npc;
......@@ -431,8 +433,9 @@ setup_frame(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *old
int sig_code;
synchronize_user_stack();
sframep = (struct signal_sframe *)get_sigframe(sa, regs, SF_ALIGNEDSZ);
if (invalid_frame_pointer (sframep, sizeof(*sframep))){
sframep = (struct signal_sframe __user *)
get_sigframe(sa, regs, SF_ALIGNEDSZ);
if (invalid_frame_pointer(sframep, sizeof(*sframep))){
/* Don't change signal code and address, so that
* post mortem debuggers can have a look.
*/
......@@ -454,16 +457,16 @@ setup_frame(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *old
err |= __put_user(regs->u_regs[UREG_G1], &sc->sigc_g1);
err |= __put_user(regs->u_regs[UREG_I0], &sc->sigc_o0);
err |= __put_user(current->thread.w_saved, &sc->sigc_oswins);
if(current->thread.w_saved)
for(window = 0; window < current->thread.w_saved; window++) {
sc->sigc_spbuf[window] =
(char *)current->thread.rwbuf_stkptrs[window];
if (current->thread.w_saved)
for (window = 0; window < current->thread.w_saved; window++) {
put_user((char *)current->thread.rwbuf_stkptrs[window],
&sc->sigc_spbuf[window]);
err |= __copy_to_user(&sc->sigc_wbuf[window],
&current->thread.reg_window[window],
sizeof(struct reg_window));
}
else
err |= __copy_to_user(sframep, (char *)regs->u_regs[UREG_FP],
err |= __copy_to_user(sframep, (char *) regs->u_regs[UREG_FP],
sizeof(struct reg_window));
current->thread.w_saved = 0; /* So process is allowed to execute. */
......@@ -484,7 +487,7 @@ setup_frame(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *old
switch (info->si_code) {
case ILL_ILLOPC: sig_code = SUBSIG_ILLINST; break;
case ILL_PRVOPC: sig_code = SUBSIG_PRIVINST; break;
case ILL_ILLTRP: sig_code = SUBSIG_BADTRAP (info->si_trapno); break;
case ILL_ILLTRP: sig_code = SUBSIG_BADTRAP(info->si_trapno); break;
default: sig_code = SUBSIG_STACK; break;
}
break;
......@@ -541,7 +544,7 @@ setup_frame(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *old
static inline int
save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
int err = 0;
#ifdef CONFIG_SMP
......@@ -561,12 +564,14 @@ save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
regs->psr &= ~(PSR_EF);
}
#endif
err |= __copy_to_user(&fpu->si_float_regs[0], &current->thread.float_regs[0],
err |= __copy_to_user(&fpu->si_float_regs[0],
&current->thread.float_regs[0],
(sizeof(unsigned long) * 32));
err |= __put_user(current->thread.fsr, &fpu->si_fsr);
err |= __put_user(current->thread.fpqdepth, &fpu->si_fpqdepth);
if (current->thread.fpqdepth != 0)
err |= __copy_to_user(&fpu->si_fpqueue[0], &current->thread.fpqueue[0],
err |= __copy_to_user(&fpu->si_fpqueue[0],
&current->thread.fpqueue[0],
((sizeof(unsigned long) +
(sizeof(unsigned long *)))*16));
current->used_math = 0;
......@@ -577,7 +582,7 @@ static inline void
new_setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
int signo, sigset_t *oldset)
{
struct new_signal_frame *sf;
struct new_signal_frame __user *sf;
int sigframe_size, err;
/* 1. Make sure everything is clean */
......@@ -587,16 +592,17 @@ new_setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
if (!current->used_math)
sigframe_size -= sizeof(__siginfo_fpu_t);
sf = (struct new_signal_frame *)get_sigframe(&ka->sa, regs, sigframe_size);
sf = (struct new_signal_frame __user *)
get_sigframe(&ka->sa, regs, sigframe_size);
if (invalid_frame_pointer (sf, sigframe_size))
if (invalid_frame_pointer(sf, sigframe_size))
goto sigill_and_return;
if (current->thread.w_saved != 0)
goto sigill_and_return;
/* 2. Save the current process state */
err = __copy_to_user(&sf->info.si_regs, regs, sizeof (struct pt_regs));
err = __copy_to_user(&sf->info.si_regs, regs, sizeof(struct pt_regs));
err |= __put_user(0, &sf->extra_size);
......@@ -610,8 +616,8 @@ new_setup_frame(struct k_sigaction *ka, struct pt_regs *regs,
err |= __put_user(oldset->sig[0], &sf->info.si_mask);
err |= __copy_to_user(sf->extramask, &oldset->sig[1],
(_NSIG_WORDS - 1) * sizeof(unsigned int));
err |= __copy_to_user(sf, (char *) regs->u_regs [UREG_FP],
sizeof (struct reg_window));
err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
sizeof(struct reg_window));
if (err)
goto sigsegv;
......@@ -653,32 +659,33 @@ static inline void
new_setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
int signo, sigset_t *oldset, siginfo_t *info)
{
struct rt_signal_frame *sf;
struct rt_signal_frame __user *sf;
int sigframe_size;
unsigned int psr;
int err;
synchronize_user_stack();
sigframe_size = RT_ALIGNEDSZ;
if(!current->used_math)
if (!current->used_math)
sigframe_size -= sizeof(__siginfo_fpu_t);
sf = (struct rt_signal_frame *)get_sigframe(&ka->sa, regs, sigframe_size);
if(invalid_frame_pointer(sf, sigframe_size))
sf = (struct rt_signal_frame __user *)
get_sigframe(&ka->sa, regs, sigframe_size);
if (invalid_frame_pointer(sf, sigframe_size))
goto sigill;
if(current->thread.w_saved != 0)
if (current->thread.w_saved != 0)
goto sigill;
err = __put_user(regs->pc, &sf->regs.pc);
err |= __put_user(regs->npc, &sf->regs.npc);
err |= __put_user(regs->y, &sf->regs.y);
psr = regs->psr;
if(current->used_math)
if (current->used_math)
psr |= PSR_EF;
err |= __put_user(psr, &sf->regs.psr);
err |= __copy_to_user(&sf->regs.u_regs, regs->u_regs, sizeof(regs->u_regs));
err |= __put_user(0, &sf->extra_size);
if(psr & PSR_EF) {
if (psr & PSR_EF) {
err |= save_fpu_state(regs, &sf->fpu_state);
err |= __put_user(&sf->fpu_state, &sf->fpu_save);
} else {
......@@ -691,8 +698,8 @@ new_setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
err |= __put_user(sas_ss_flags(regs->u_regs[UREG_FP]), &sf->stack.ss_flags);
err |= __put_user(current->sas_ss_size, &sf->stack.ss_size);
err |= __copy_to_user(sf, (char *) regs->u_regs [UREG_FP],
sizeof (struct reg_window));
err |= __copy_to_user(sf, (char *) regs->u_regs[UREG_FP],
sizeof(struct reg_window));
err |= copy_siginfo_to_user(&sf->info, info);
......@@ -706,7 +713,7 @@ new_setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
regs->pc = (unsigned long) ka->sa.sa_handler;
regs->npc = (regs->pc + 4);
if(ka->ka_restorer)
if (ka->ka_restorer)
regs->u_regs[UREG_I7] = (unsigned long)ka->ka_restorer;
else {
regs->u_regs[UREG_I7] = (unsigned long)(&(sf->insns[0]) - 2);
......@@ -735,23 +742,24 @@ static inline void
setup_svr4_frame(struct sigaction *sa, unsigned long pc, unsigned long npc,
struct pt_regs *regs, int signr, sigset_t *oldset)
{
svr4_signal_frame_t *sfp;
svr4_gregset_t *gr;
svr4_siginfo_t *si;
svr4_mcontext_t *mc;
svr4_gwindows_t *gw;
svr4_ucontext_t *uc;
svr4_signal_frame_t __user *sfp;
svr4_gregset_t __user *gr;
svr4_siginfo_t __user *si;
svr4_mcontext_t __user *mc;
svr4_gwindows_t __user *gw;
svr4_ucontext_t __user *uc;
svr4_sigset_t setv;
int window = 0, err;
synchronize_user_stack();
sfp = (svr4_signal_frame_t *) get_sigframe(sa, regs, SVR4_SF_ALIGNED + REGWIN_SZ);
sfp = (svr4_signal_frame_t __user *)
get_sigframe(sa, regs, SVR4_SF_ALIGNED + REGWIN_SZ);
if (invalid_frame_pointer (sfp, sizeof (*sfp)))
if (invalid_frame_pointer(sfp, sizeof(*sfp)))
goto sigill_and_return;
/* Start with a clean frame pointer and fill it */
err = __clear_user(sfp, sizeof (*sfp));
err = __clear_user(sfp, sizeof(*sfp));
/* Setup convenience variables */
si = &sfp->si;
......@@ -771,17 +779,20 @@ setup_svr4_frame(struct sigaction *sa, unsigned long pc, unsigned long npc,
setv.sigbits[3] = oldset->sig[3];
err |= __copy_to_user(&uc->sigmask, &setv, sizeof(svr4_sigset_t));
} else
err |= __copy_to_user(&uc->sigmask, &setv, 2 * sizeof(unsigned int));
err |= __copy_to_user(&uc->sigmask, &setv,
2 * sizeof(unsigned int));
/* Store registers */
err |= __put_user(regs->pc, &((*gr) [SVR4_PC]));
err |= __put_user(regs->npc, &((*gr) [SVR4_NPC]));
err |= __put_user(regs->psr, &((*gr) [SVR4_PSR]));
err |= __put_user(regs->y, &((*gr) [SVR4_Y]));
err |= __put_user(regs->pc, &((*gr)[SVR4_PC]));
err |= __put_user(regs->npc, &((*gr)[SVR4_NPC]));
err |= __put_user(regs->psr, &((*gr)[SVR4_PSR]));
err |= __put_user(regs->y, &((*gr)[SVR4_Y]));
/* Copy g [1..7] and o [0..7] registers */
err |= __copy_to_user(&(*gr)[SVR4_G1], &regs->u_regs [UREG_G1], sizeof (long) * 7);
err |= __copy_to_user(&(*gr)[SVR4_O0], &regs->u_regs [UREG_I0], sizeof (long) * 8);
/* Copy g[1..7] and o[0..7] registers */
err |= __copy_to_user(&(*gr)[SVR4_G1], &regs->u_regs[UREG_G1],
sizeof(long) * 7);
err |= __copy_to_user(&(*gr)[SVR4_O0], &regs->u_regs[UREG_I0],
sizeof(long) * 8);
/* Setup sigaltstack */
err |= __put_user(current->sas_ss_sp, &uc->stack.sp);
......@@ -793,7 +804,7 @@ setup_svr4_frame(struct sigaction *sa, unsigned long pc, unsigned long npc,
/* 1. Link sfp->uc->gwins to our windows */
err |= __put_user(gw, &mc->gwin);
/* 2. Number of windows to restore at setcontext (): */
/* 2. Number of windows to restore at setcontext(): */
err |= __put_user(current->thread.w_saved, &gw->count);
/* 3. Save each valid window
......@@ -807,12 +818,12 @@ setup_svr4_frame(struct sigaction *sa, unsigned long pc, unsigned long npc,
* These windows are just used in case synchronize_user_stack failed
* to flush the user windows.
*/
for(window = 0; window < current->thread.w_saved; window++) {
err |= __put_user((int *) &(gw->win [window]), &gw->winptr [window]);
err |= __copy_to_user(&gw->win [window],
&current->thread.reg_window [window],
sizeof (svr4_rwindow_t));
err |= __put_user(0, gw->winptr [window]);
for (window = 0; window < current->thread.w_saved; window++) {
err |= __put_user((int *) &(gw->win[window]), &gw->winptr[window]);
err |= __copy_to_user(&gw->win[window],
&current->thread.reg_window[window],
sizeof(svr4_rwindow_t));
err |= __put_user(0, gw->winptr[window]);
}
/* 4. We just pay attention to the gw->count field on setcontext */
......@@ -832,13 +843,14 @@ setup_svr4_frame(struct sigaction *sa, unsigned long pc, unsigned long npc,
regs->npc = (regs->pc + 4);
/* Arguments passed to signal handler */
if (regs->u_regs [14]){
struct reg_window *rw = (struct reg_window *) regs->u_regs [14];
err |= __put_user(signr, &rw->ins [0]);
err |= __put_user(si, &rw->ins [1]);
err |= __put_user(uc, &rw->ins [2]);
err |= __put_user(sfp, &rw->ins [6]); /* frame pointer */
if (regs->u_regs[14]){
struct reg_window *rw = (struct reg_window __user *)
regs->u_regs[14];
err |= __put_user(signr, &rw->ins[0]);
err |= __put_user(si, &rw->ins[1]);
err |= __put_user(uc, &rw->ins[2]);
err |= __put_user(sfp, &rw->ins[6]); /* frame pointer */
if (err)
goto sigsegv;
......@@ -854,10 +866,10 @@ setup_svr4_frame(struct sigaction *sa, unsigned long pc, unsigned long npc,
do_exit(SIGSEGV);
}
asmlinkage int svr4_getcontext (svr4_ucontext_t *uc, struct pt_regs *regs)
asmlinkage int svr4_getcontext(svr4_ucontext_t __user *uc, struct pt_regs *regs)
{
svr4_gregset_t *gr;
svr4_mcontext_t *mc;
svr4_gregset_t __user *gr;
svr4_mcontext_t __user *mc;
svr4_sigset_t setv;
int err = 0;
......@@ -866,7 +878,7 @@ asmlinkage int svr4_getcontext (svr4_ucontext_t *uc, struct pt_regs *regs)
if (current->thread.w_saved)
goto sigsegv_and_return;
err = clear_user(uc, sizeof (*uc));
err = clear_user(uc, sizeof(*uc));
if (err)
return -EFAULT;
......@@ -881,17 +893,20 @@ asmlinkage int svr4_getcontext (svr4_ucontext_t *uc, struct pt_regs *regs)
setv.sigbits[3] = current->blocked.sig[3];
err |= __copy_to_user(&uc->sigmask, &setv, sizeof(svr4_sigset_t));
} else
err |= __copy_to_user(&uc->sigmask, &setv, 2 * sizeof(unsigned int));
err |= __copy_to_user(&uc->sigmask, &setv,
2 * sizeof(unsigned int));
/* Store registers */
err |= __put_user(regs->pc, &uc->mcontext.greg [SVR4_PC]);
err |= __put_user(regs->npc, &uc->mcontext.greg [SVR4_NPC]);
err |= __put_user(regs->psr, &uc->mcontext.greg [SVR4_PSR]);
err |= __put_user(regs->y, &uc->mcontext.greg [SVR4_Y]);
err |= __put_user(regs->pc, &uc->mcontext.greg[SVR4_PC]);
err |= __put_user(regs->npc, &uc->mcontext.greg[SVR4_NPC]);
err |= __put_user(regs->psr, &uc->mcontext.greg[SVR4_PSR]);
err |= __put_user(regs->y, &uc->mcontext.greg[SVR4_Y]);
/* Copy g [1..7] and o [0..7] registers */
err |= __copy_to_user(&(*gr)[SVR4_G1], &regs->u_regs [UREG_G1], sizeof (uint) * 7);
err |= __copy_to_user(&(*gr)[SVR4_O0], &regs->u_regs [UREG_I0], sizeof (uint) * 8);
/* Copy g[1..7] and o[0..7] registers */
err |= __copy_to_user(&(*gr)[SVR4_G1], &regs->u_regs[UREG_G1],
sizeof(uint) * 7);
err |= __copy_to_user(&(*gr)[SVR4_O0], &regs->u_regs[UREG_I0],
sizeof(uint) * 8);
/* Setup sigaltstack */
err |= __put_user(current->sas_ss_sp, &uc->stack.sp);
......@@ -908,10 +923,10 @@ asmlinkage int svr4_getcontext (svr4_ucontext_t *uc, struct pt_regs *regs)
}
/* Set the context for a svr4 application, this is Solaris way to sigreturn */
asmlinkage int svr4_setcontext (svr4_ucontext_t *c, struct pt_regs *regs)
asmlinkage int svr4_setcontext(svr4_ucontext_t __user *c, struct pt_regs *regs)
{
struct thread_struct *tp = &current->thread;
svr4_gregset_t *gr;
svr4_gregset_t __user *gr;
unsigned long pc, npc, psr;
sigset_t set;
svr4_sigset_t setv;
......@@ -929,7 +944,7 @@ asmlinkage int svr4_setcontext (svr4_ucontext_t *c, struct pt_regs *regs)
if (((uint) c) & 3)
goto sigsegv_and_return;
if(!__access_ok((unsigned long)c, sizeof(*c)))
if (!__access_ok((unsigned long)c, sizeof(*c)))
goto sigsegv_and_return;
/* Check for valid PC and nPC */
......@@ -937,7 +952,7 @@ asmlinkage int svr4_setcontext (svr4_ucontext_t *c, struct pt_regs *regs)
err = __get_user(pc, &((*gr)[SVR4_PC]));
err |= __get_user(npc, &((*gr)[SVR4_NPC]));
if((pc | npc) & 3)
if ((pc | npc) & 3)
goto sigsegv_and_return;
/* Retrieve information from passed ucontext */
......@@ -973,16 +988,16 @@ asmlinkage int svr4_setcontext (svr4_ucontext_t *c, struct pt_regs *regs)
spin_unlock_irq(&current->sighand->siglock);
regs->pc = pc;
regs->npc = npc | 1;
err |= __get_user(regs->y, &((*gr) [SVR4_Y]));
err |= __get_user(psr, &((*gr) [SVR4_PSR]));
err |= __get_user(regs->y, &((*gr)[SVR4_Y]));
err |= __get_user(psr, &((*gr)[SVR4_PSR]));
regs->psr &= ~(PSR_ICC);
regs->psr |= (psr & PSR_ICC);
/* Restore g[1..7] and o[0..7] registers */
err |= __copy_from_user(&regs->u_regs [UREG_G1], &(*gr)[SVR4_G1],
sizeof (long) * 7);
err |= __copy_from_user(&regs->u_regs [UREG_I0], &(*gr)[SVR4_O0],
sizeof (long) * 8);
err |= __copy_from_user(&regs->u_regs[UREG_G1], &(*gr)[SVR4_G1],
sizeof(long) * 7);
err |= __copy_from_user(&regs->u_regs[UREG_I0], &(*gr)[SVR4_O0],
sizeof(long) * 8);
return (err ? -EFAULT : 0);
sigsegv_and_return:
......@@ -1000,13 +1015,13 @@ handle_signal(unsigned long signr, struct k_sigaction *ka,
if (ka->sa.sa_flags & SA_SIGINFO)
new_setup_rt_frame(ka, regs, signr, oldset, info);
else if (current->thread.new_signal)
new_setup_frame (ka, regs, signr, oldset);
new_setup_frame(ka, regs, signr, oldset);
else
setup_frame(&ka->sa, regs, signr, oldset, info);
}
if(ka->sa.sa_flags & SA_ONESHOT)
if (ka->sa.sa_flags & SA_ONESHOT)
ka->sa.sa_handler = SIG_DFL;
if(!(ka->sa.sa_flags & SA_NOMASK)) {
if (!(ka->sa.sa_flags & SA_NOMASK)) {
spin_lock_irq(&current->sighand->siglock);
sigorsets(&current->blocked,&current->blocked,&ka->sa.sa_mask);
sigaddset(&current->blocked, signr);
......@@ -1028,7 +1043,7 @@ static inline void syscall_restart(unsigned long orig_i0, struct pt_regs *regs,
regs->psr |= PSR_C;
break;
case ERESTARTSYS:
if(!(sa->sa_flags & SA_RESTART))
if (!(sa->sa_flags & SA_RESTART))
goto no_system_call_restart;
/* fallthrough */
case ERESTARTNOINTR:
......@@ -1095,13 +1110,15 @@ asmlinkage int do_signal(sigset_t *oldset, struct pt_regs * regs,
}
asmlinkage int
do_sys_sigstack(struct sigstack *ssptr, struct sigstack *ossptr, unsigned long sp)
do_sys_sigstack(struct sigstack __user *ssptr, struct sigstack __user *ossptr,
unsigned long sp)
{
int ret = -EFAULT;
/* First see if old state is wanted. */
if (ossptr) {
if (put_user(current->sas_ss_sp + current->sas_ss_size, &ossptr->the_stack) ||
if (put_user(current->sas_ss_sp + current->sas_ss_size,
&ossptr->the_stack) ||
__put_user(on_sig_stack(sp), &ossptr->cur_status))
goto out;
}
......
arch/sparc/kernel/sys_sparc.c
View file @ a0e3315d
......@@ -113,7 +113,7 @@ asmlinkage int sparc_pipe(struct pt_regs *regs)
* This is really horribly ugly.
*/
asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr, long fifth)
asmlinkage int sys_ipc (uint call, int first, int second, int third, void __user *ptr, long fifth)
{
int version, err;
......@@ -123,7 +123,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
if (call <= SEMCTL)
switch (call) {
case SEMOP:
err = sys_semop (first, (struct sembuf *)ptr, second);
err = sys_semop (first, (struct sembuf __user *)ptr, second);
goto out;
case SEMGET:
err = sys_semget (first, second, third);
......@@ -134,7 +134,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
if (!ptr)
goto out;
err = -EFAULT;
if(get_user(fourth.__pad, (void **)ptr))
if(get_user(fourth.__pad, (void __user **)ptr))
goto out;
err = sys_semctl (first, second, third, fourth);
goto out;
......@@ -146,7 +146,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
if (call <= MSGCTL)
switch (call) {
case MSGSND:
err = sys_msgsnd (first, (struct msgbuf *) ptr,
err = sys_msgsnd (first, (struct msgbuf __user *) ptr,
second, third);
goto out;
case MSGRCV:
......@@ -157,7 +157,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
if (!ptr)
goto out;
err = -EFAULT;
if(copy_from_user(&tmp,(struct ipc_kludge *) ptr, sizeof (tmp)))
if (copy_from_user(&tmp, (struct ipc_kludge __user *) ptr, sizeof (tmp)))
goto out;
err = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp, third);
goto out;
......@@ -170,7 +170,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
err = sys_msgget ((key_t) first, second);
goto out;
case MSGCTL:
err = sys_msgctl (first, second, (struct msqid_ds *) ptr);
err = sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
goto out;
default:
err = -ENOSYS;
......@@ -182,27 +182,27 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
switch (version) {
case 0: default: {
ulong raddr;
err = sys_shmat (first, (char *) ptr, second, &raddr);
err = sys_shmat (first, (char __user *) ptr, second, &raddr);
if (err)
goto out;
err = -EFAULT;
if(put_user (raddr, (ulong *) third))
if (put_user (raddr, (ulong __user *) third))
goto out;
err = 0;
goto out;
}
case 1: /* iBCS2 emulator entry point */
err = sys_shmat (first, (char *) ptr, second, (ulong *) third);
err = sys_shmat (first, (char __user *) ptr, second, (ulong __user *) third);
goto out;
}
case SHMDT:
err = sys_shmdt ((char *)ptr);
err = sys_shmdt ((char __user *)ptr);
goto out;
case SHMGET:
err = sys_shmget (first, second, third);
goto out;
case SHMCTL:
err = sys_shmctl (first, second, (struct shmid_ds *) ptr);
err = sys_shmctl (first, second, (struct shmid_ds __user *) ptr);
goto out;
default:
err = -ENOSYS;
......@@ -344,9 +344,11 @@ asmlinkage unsigned long
c_sys_nis_syscall (struct pt_regs *regs)
{
static int count = 0;
if (count++ > 5) return -ENOSYS;
printk ("%s[%d]: Unimplemented SPARC system call %d\n", current->comm, current->pid, (int)regs->u_regs[1]);
if (count++ > 5)
return -ENOSYS;
printk ("%s[%d]: Unimplemented SPARC system call %d\n",
current->comm, current->pid, (int)regs->u_regs[1]);
#ifdef DEBUG_UNIMP_SYSCALL
show_regs (regs);
#endif
......@@ -378,8 +380,8 @@ sparc_breakpoint (struct pt_regs *regs)
}
asmlinkage int
sparc_sigaction (int sig, const struct old_sigaction *act,
struct old_sigaction *oact)
sparc_sigaction (int sig, const struct old_sigaction __user *act,
struct old_sigaction __user *oact)
{
struct k_sigaction new_ka, old_ka;
int ret;
......@@ -422,8 +424,11 @@ sparc_sigaction (int sig, const struct old_sigaction *act,
}
asmlinkage int
sys_rt_sigaction(int sig, const struct sigaction *act, struct sigaction *oact,
void *restorer, size_t sigsetsize)
sys_rt_sigaction(int sig,
const struct sigaction __user *act,
struct sigaction __user *oact,
void __user *restorer,
size_t sigsetsize)
{
struct k_sigaction new_ka, old_ka;
int ret;
......@@ -453,7 +458,7 @@ sys_rt_sigaction(int sig, const struct sigaction *act, struct sigaction *oact,
return ret;
}
asmlinkage int sys_getdomainname(char *name, int len)
asmlinkage int sys_getdomainname(char __user *name, int len)
{
int nlen;
int err = -EFAULT;
......@@ -464,9 +469,9 @@ asmlinkage int sys_getdomainname(char *name, int len)
if (nlen < len)
len = nlen;
if(len > __NEW_UTS_LEN)
if (len > __NEW_UTS_LEN)
goto done;
if(copy_to_user(name, system_utsname.domainname, len))
if (copy_to_user(name, system_utsname.domainname, len))
goto done;
err = 0;
done:
......
arch/sparc64/kernel/ioctl32.c
View file @ a0e3315d
......@@ -107,15 +107,9 @@
#include <linux/filter.h>
/* Use this to get at 32-bit user passed pointers.
See sys_sparc32.c for description about these. */
#define A(__x) ((unsigned long)(__x))
#define AA(__x) \
({ unsigned long __ret; \
__asm__ ("srl %0, 0, %0" \
: "=r" (__ret) \
: "0" (__x)); \
__ret; \
})
* See sys_sparc32.c for description about it.
*/
#define A(__x) ((void __user *)(unsigned long)(__x))
/* Aiee. Someone does not find a difference between int and long */
#define EXT2_IOC32_GETFLAGS _IOR('f', 1, int)
......@@ -261,7 +255,7 @@ static void free_kvideo_clips(struct video_window *kp)
static int get_video_window32(struct video_window *kp, struct video_window32 *up)
{
struct video_clip32 *ucp;
struct video_clip32 __user *ucp;
struct video_clip *kcp;
int nclips, err, i;
u32 tmp;
......@@ -275,7 +269,7 @@ static int get_video_window32(struct video_window *kp, struct video_window32 *up
__get_user(kp->flags, &up->flags);
__get_user(kp->clipcount, &up->clipcount);
__get_user(tmp, &up->clips);
ucp = (struct video_clip32 *)A(tmp);
ucp = A(tmp);
kp->clips = NULL;
nclips = kp->clipcount;
......@@ -487,7 +481,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct ifconf32 ifc32;
struct ifconf ifc;
struct ifreq32 *ifr32;
struct ifreq32 __user *ifr32;
struct ifreq *ifr;
mm_segment_t old_fs;
unsigned int i, j;
......@@ -508,7 +502,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
return -ENOMEM;
}
ifr = ifc.ifc_req;
ifr32 = (struct ifreq32 *)A(ifc32.ifcbuf);
ifr32 = A(ifc32.ifcbuf);
for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
if (copy_from_user(ifr++, ifr32++, sizeof (struct ifreq32))) {
kfree (ifc.ifc_buf);
......@@ -520,7 +514,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
set_fs (old_fs);
if (!err) {
ifr = ifc.ifc_req;
ifr32 = (struct ifreq32 *)A(ifc32.ifcbuf);
ifr32 = A(ifc32.ifcbuf);
for (i = 0, j = 0; i < ifc32.ifc_len && j < ifc.ifc_len;
i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
if (copy_to_user(ifr32++, ifr++, sizeof (struct ifreq32))) {
......@@ -566,7 +560,7 @@ static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
__get_user(data, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_data));
if (get_user(ethcmd, (u32 *)A(data))) {
if (get_user(ethcmd, (u32 __user *) A(data))) {
err = -EFAULT;
goto out;
}
......@@ -577,7 +571,7 @@ static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
case ETHTOOL_GLINK:
case ETHTOOL_NWAY_RST: len = sizeof(struct ethtool_value); break;
case ETHTOOL_GREGS: {
struct ethtool_regs *regaddr = (struct ethtool_regs *)A(data);
struct ethtool_regs __user *regaddr = A(data);
/* darned variable size arguments */
if (get_user(len, (u32 *)&regaddr->len)) {
err = -EFAULT;
......@@ -593,7 +587,7 @@ static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
goto out;
}
if (copy_from_user(ifr.ifr_data, (char *)A(data), len)) {
if (copy_from_user(ifr.ifr_data, A(data), len)) {
err = -EFAULT;
goto out;
}
......@@ -606,7 +600,7 @@ static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
u32 data;
__get_user(data, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_data));
len = copy_to_user((char *)A(data), ifr.ifr_data, len);
len = copy_to_user(A(data), ifr.ifr_data, len);
if (len)
err = -EFAULT;
}
......@@ -648,7 +642,7 @@ static int bond_ioctl(unsigned long fd, unsigned int cmd, unsigned long arg)
};
__get_user(data, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_data));
if (copy_from_user(ifr.ifr_data, (char *)A(data), len)) {
if (copy_from_user(ifr.ifr_data, A(data), len)) {
err = -EFAULT;
goto out;
}
......@@ -658,7 +652,7 @@ static int bond_ioctl(unsigned long fd, unsigned int cmd, unsigned long arg)
err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
set_fs (old_fs);
if (!err) {
len = copy_to_user((char *)A(data), ifr.ifr_data, len);
len = copy_to_user(A(data), ifr.ifr_data, len);
if (len)
err = -EFAULT;
}
......@@ -684,7 +678,7 @@ static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long
struct ifreq *u_ifreq64;
struct ifreq32 *u_ifreq32 = (struct ifreq32 *) arg;
char tmp_buf[IFNAMSIZ];
void *data64;
void __user *data64;
u32 data32;
if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
......@@ -692,7 +686,7 @@ static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long
return -EFAULT;
if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
return -EFAULT;
data64 = (void *) A(data32);
data64 = A(data32);
u_ifreq64 = alloc_user_space(sizeof(*u_ifreq64));
......@@ -829,7 +823,7 @@ static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
ret |= __get_user (r4.rt_irtt, &(((struct rtentry32 *)arg)->rt_irtt));
ret |= __get_user (rtdev, &(((struct rtentry32 *)arg)->rt_dev));
if (rtdev) {
ret |= copy_from_user (devname, (char *)A(rtdev), 15);
ret |= copy_from_user (devname, A(rtdev), 15);
r4.rt_dev = devname; devname[15] = 0;
} else
r4.rt_dev = 0;
......@@ -932,9 +926,9 @@ static int fbiogetputcmap(unsigned int fd, unsigned int cmd, unsigned long arg)
if (f.index + f.count > 256)
f.count = 256 - f.index;
if (cmd == FBIOPUTCMAP32) {
ret = copy_from_user (red, (char *)A(r), f.count);
ret |= copy_from_user (green, (char *)A(g), f.count);
ret |= copy_from_user (blue, (char *)A(b), f.count);
ret = copy_from_user (red, A(r), f.count);
ret |= copy_from_user (green, A(g), f.count);
ret |= copy_from_user (blue, A(b), f.count);
if (ret)
return -EFAULT;
}
......@@ -943,9 +937,9 @@ static int fbiogetputcmap(unsigned int fd, unsigned int cmd, unsigned long arg)
ret = sys_ioctl (fd, (cmd == FBIOPUTCMAP32) ? FBIOPUTCMAP_SPARC : FBIOGETCMAP_SPARC, (long)&f);
set_fs (old_fs);
if (!ret && cmd == FBIOGETCMAP32) {
ret = copy_to_user ((char *)A(r), red, f.count);
ret |= copy_to_user ((char *)A(g), green, f.count);
ret |= copy_to_user ((char *)A(b), blue, f.count);
ret = copy_to_user (A(r), red, f.count);
ret |= copy_to_user (A(g), green, f.count);
ret |= copy_to_user (A(b), blue, f.count);
}
return ret ? -EFAULT : 0;
}
......@@ -989,16 +983,16 @@ static int fbiogscursor(unsigned int fd, unsigned int cmd, unsigned long arg)
if (f.set & FB_CUR_SETCMAP) {
if ((uint) f.size.y > 32)
return -EINVAL;
ret = copy_from_user (mask, (char *)A(m), f.size.y * 4);
ret |= copy_from_user (image, (char *)A(i), f.size.y * 4);
ret = copy_from_user (mask, A(m), f.size.y * 4);
ret |= copy_from_user (image, A(i), f.size.y * 4);
if (ret)
return -EFAULT;
f.image = image; f.mask = mask;
}
if (f.set & FB_CUR_SETCMAP) {
ret = copy_from_user (red, (char *)A(r), 2);
ret |= copy_from_user (green, (char *)A(g), 2);
ret |= copy_from_user (blue, (char *)A(b), 2);
ret = copy_from_user (red, A(r), 2);
ret |= copy_from_user (green, A(g), 2);
ret |= copy_from_user (blue, A(b), 2);
if (ret)
return -EFAULT;
f.cmap.red = red; f.cmap.green = green; f.cmap.blue = blue;
......@@ -1081,10 +1075,10 @@ static int fb_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
if (cmd == FBIOGETCMAP)
break;
err = __copy_from_user(cmap.red, (char *)A(red), cmap.len * sizeof(__u16));
err |= __copy_from_user(cmap.green, (char *)A(green), cmap.len * sizeof(__u16));
err |= __copy_from_user(cmap.blue, (char *)A(blue), cmap.len * sizeof(__u16));
if (cmap.transp) err |= __copy_from_user(cmap.transp, (char *)A(transp), cmap.len * sizeof(__u16));
err = __copy_from_user(cmap.red, A(red), cmap.len * sizeof(__u16));
err |= __copy_from_user(cmap.green, A(green), cmap.len * sizeof(__u16));
err |= __copy_from_user(cmap.blue, A(blue), cmap.len * sizeof(__u16));
if (cmap.transp) err |= __copy_from_user(cmap.transp, A(transp), cmap.len * sizeof(__u16));
if (err) {
err = -EFAULT;
goto out;
......@@ -1123,11 +1117,11 @@ static int fb_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
err |= __copy_to_user((char *)((struct fb_fix_screeninfo32 *)arg)->reserved, (char *)fix.reserved, sizeof(fix.reserved));
break;
case FBIOGETCMAP:
err = __copy_to_user((char *)A(red), cmap.red, cmap.len * sizeof(__u16));
err |= __copy_to_user((char *)A(green), cmap.blue, cmap.len * sizeof(__u16));
err |= __copy_to_user((char *)A(blue), cmap.blue, cmap.len * sizeof(__u16));
err = __copy_to_user(A(red), cmap.red, cmap.len * sizeof(__u16));
err |= __copy_to_user(A(green), cmap.blue, cmap.len * sizeof(__u16));
err |= __copy_to_user(A(blue), cmap.blue, cmap.len * sizeof(__u16));
if (cmap.transp)
err |= __copy_to_user((char *)A(transp), cmap.transp, cmap.len * sizeof(__u16));
err |= __copy_to_user(A(transp), cmap.transp, cmap.len * sizeof(__u16));
break;
case FBIOPUTCMAP:
break;
......@@ -1504,7 +1498,7 @@ typedef struct sg_iovec32 {
static int alloc_sg_iovec(sg_io_hdr_t *sgp, u32 uptr32)
{
sg_iovec32_t *uiov = (sg_iovec32_t *) A(uptr32);
sg_iovec32_t __user *uiov = A(uptr32);
sg_iovec_t *kiov;
int i;
......@@ -1526,7 +1520,7 @@ static int alloc_sg_iovec(sg_io_hdr_t *sgp, u32 uptr32)
if (!kiov->iov_base)
return -ENOMEM;
if (copy_from_user(kiov->iov_base,
(void *) A(iov_base32),
A(iov_base32),
kiov->iov_len))
return -EFAULT;
......@@ -1539,7 +1533,7 @@ static int alloc_sg_iovec(sg_io_hdr_t *sgp, u32 uptr32)
static int copy_back_sg_iovec(sg_io_hdr_t *sgp, u32 uptr32)
{
sg_iovec32_t *uiov = (sg_iovec32_t *) A(uptr32);
sg_iovec32_t __user *uiov = A(uptr32);
sg_iovec_t *kiov = (sg_iovec_t *) sgp->dxferp;
int i;
......@@ -1549,7 +1543,7 @@ static int copy_back_sg_iovec(sg_io_hdr_t *sgp, u32 uptr32)
if (__get_user(iov_base32, &uiov->iov_base))
return -EFAULT;
if (copy_to_user((void *) A(iov_base32),
if (copy_to_user(A(iov_base32),
kiov->iov_base,
kiov->iov_len))
return -EFAULT;
......@@ -1607,7 +1601,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
goto out;
}
if (copy_from_user(sg_io64.cmdp,
(void *) A(cmdp32),
A(cmdp32),
sg_io64.cmd_len)) {
err = -EFAULT;
goto out;
......@@ -1620,7 +1614,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
goto out;
}
if (copy_from_user(sg_io64.sbp,
(void *) A(sbp32),
A(sbp32),
sg_io64.mx_sb_len)) {
err = -EFAULT;
goto out;
......@@ -1641,7 +1635,7 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
goto out;
}
if (copy_from_user(sg_io64.dxferp,
(void *) A(dxferp32),
A(dxferp32),
sg_io64.dxfer_len)) {
err = -EFAULT;
goto out;
......@@ -1672,12 +1666,12 @@ static int sg_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
err |= __put_user(sg_io64.resid, &sg_io32->resid);
err |= __put_user(sg_io64.duration, &sg_io32->duration);
err |= __put_user(sg_io64.info, &sg_io32->info);
err |= copy_to_user((void *)A(sbp32), sg_io64.sbp, sg_io64.mx_sb_len);
err |= copy_to_user(A(sbp32), sg_io64.sbp, sg_io64.mx_sb_len);
if (sg_io64.dxferp) {
if (sg_io64.iovec_count)
err |= copy_back_sg_iovec(&sg_io64, dxferp32);
else
err |= copy_to_user((void *)A(dxferp32),
err |= copy_to_user(A(dxferp32),
sg_io64.dxferp,
sg_io64.dxfer_len);
}
......@@ -1711,7 +1705,7 @@ static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigne
{
struct sock_fprog32 *u_fprog32 = (struct sock_fprog32 *) arg;
struct sock_fprog *u_fprog64 = alloc_user_space(sizeof(struct sock_fprog));
void *fptr64;
void __user *fptr64;
u32 fptr32;
u16 flen;
......@@ -1719,7 +1713,7 @@ static int ppp_sock_fprog_ioctl_trans(unsigned int fd, unsigned int cmd, unsigne
get_user(fptr32, &u_fprog32->filter))
return -EFAULT;
fptr64 = (void *) A(fptr32);
fptr64 = A(fptr32);
if (put_user(flen, &u_fprog64->len) ||
put_user(fptr64, &u_fprog64->filter))
......@@ -1768,7 +1762,7 @@ static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
data.ptr = kmalloc (data32.length, GFP_KERNEL);
if (!data.ptr)
return -ENOMEM;
if (copy_from_user(data.ptr, (__u8 *)A(data32.ptr), data32.length)) {
if (copy_from_user(data.ptr, A(data32.ptr), data32.length)) {
kfree(data.ptr);
return -EFAULT;
}
......@@ -2025,13 +2019,13 @@ static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long ar
case CDROMREADMODE1:
case CDROMREADRAW:
case CDROMREADCOOKED:
err = copy_to_user((char *)A(addr), data, cdread.cdread_buflen);
err = copy_to_user(A(addr), data, cdread.cdread_buflen);
break;
case CDROMREADAUDIO:
err = copy_to_user((char *)A(addr), data, cdreadaudio.nframes * 2352);
err = copy_to_user(A(addr), data, cdreadaudio.nframes * 2352);
break;
case CDROM_SEND_PACKET:
err = copy_to_user((char *)A(addr), data, cgc.buflen);
err = copy_to_user(A(addr), data, cgc.buflen);
break;
default:
break;
......@@ -2148,7 +2142,7 @@ static int do_fontx_ioctl(unsigned int fd, int cmd, struct consolefontdesc32 *us
if (copy_from_user(&cfdarg, user_cfd, sizeof(struct consolefontdesc32)))
return -EFAULT;
cfdarg.chardata = (unsigned char *)A(((struct consolefontdesc32 *)&cfdarg)->chardata);
cfdarg.chardata = A(((struct consolefontdesc32 *)&cfdarg)->chardata);
switch (cmd) {
case PIO_FONTX:
......@@ -2203,7 +2197,7 @@ static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, struct console_f
return -EFAULT;
if (!perm && op.op != KD_FONT_OP_GET)
return -EPERM;
op.data = (unsigned char *)A(((struct console_font_op32 *)&op)->data);
op.data = A(((struct console_font_op32 *)&op)->data);
op.flags |= KD_FONT_FLAG_OLD;
vt = (struct vt_struct *)((struct tty_struct *)file->private_data)->driver_data;
i = con_font_op(vt->vc_num, &op);
......@@ -2230,9 +2224,9 @@ static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, struct unimapdesc3
switch (cmd) {
case PIO_UNIMAP:
if (!perm) return -EPERM;
return con_set_unimap(fg_console, tmp.entry_ct, (struct unipair *)A(tmp.entries));
return con_set_unimap(fg_console, tmp.entry_ct, A(tmp.entries));
case GIO_UNIMAP:
return con_get_unimap(fg_console, tmp.entry_ct, &(user_ud->entry_ct), (struct unipair *)A(tmp.entries));
return con_get_unimap(fg_console, tmp.entry_ct, &(user_ud->entry_ct), A(tmp.entries));
}
return 0;
}
......@@ -2907,9 +2901,9 @@ static lv_t *get_lv_t(u32 p, int *errp)
int err, i;
u32 ptr1, ptr2;
size_t size;
lv_block_exception32_t *lbe32;
lv_block_exception32_t __user *lbe32;
lv_block_exception_t *lbe;
lv32_t *ul = (lv32_t *)A(p);
lv32_t __user *ul = A(p);
lv_t *l = (lv_t *) kmalloc(sizeof(lv_t), GFP_KERNEL);
if (!l) {
......@@ -2933,13 +2927,13 @@ static lv_t *get_lv_t(u32 p, int *errp)
size = l->lv_allocated_le * sizeof(pe_t);
l->lv_current_pe = vmalloc(size);
if (l->lv_current_pe)
err = copy_from_user(l->lv_current_pe, (void *)A(ptr1), size);
err = copy_from_user(l->lv_current_pe, A(ptr1), size);
}
if (!err && ptr2) {
size = l->lv_remap_end * sizeof(lv_block_exception_t);
l->lv_block_exception = lbe = vmalloc(size);
if (l->lv_block_exception) {
lbe32 = (lv_block_exception32_t *)A(ptr2);
lbe32 = A(ptr2);
memset(lbe, 0, size);
for (i = 0; i < l->lv_remap_end; i++, lbe++, lbe32++) {
err |= get_user(lbe->rsector_org, &lbe32->rsector_org);
......@@ -2963,7 +2957,7 @@ static lv_t *get_lv_t(u32 p, int *errp)
static int copy_lv_t(u32 ptr, lv_t *l)
{
int err;
lv32_t *ul = (lv32_t *)A(ptr);
lv32_t __user *ul = A(ptr);
u32 ptr1;
size_t size;
......@@ -2977,7 +2971,7 @@ static int copy_lv_t(u32 ptr, lv_t *l)
((long)&ul->dummy[0]) - ((long)&ul->lv_remap_ptr));
size = l->lv_allocated_le * sizeof(pe_t);
if (ptr1)
err |= __copy_to_user((void *)A(ptr1), l->lv_current_pe, size);
err |= __copy_to_user(A(ptr1), l->lv_current_pe, size);
return err ? -EFAULT : 0;
}
......@@ -3036,14 +3030,14 @@ static int do_lvm_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
err = -ENOMEM;
break;
}
err = copy_from_user(v->pv[i], (void *)A(ptr),
err = copy_from_user(v->pv[i], A(ptr),
sizeof(pv32_t) - 8 - UUID_LEN+1);
if (err) {
err = -EFAULT;
break;
}
err = copy_from_user(v->pv[i]->pv_uuid,
((pv32_t *)A(ptr))->pv_uuid,
err = copy_from_user(&v->pv[i]->pv_uuid[0],
&((pv32_t __user *)A(ptr))->pv_uuid[0],
UUID_LEN+1);
if (err) {
err = -EFAULT;
......@@ -3125,7 +3119,7 @@ static int do_lvm_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
return err;
u.pv_status.pv = &p;
if (cmd == PV_CHANGE) {
err = copy_from_user(&p, (void *)A(ptr),
err = copy_from_user(&p, A(ptr),
sizeof(pv32_t) - 8 - UUID_LEN+1);
if (err)
return -EFAULT;
......@@ -3195,10 +3189,10 @@ static int do_lvm_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
case PV_STATUS:
if (!err) {
err = copy_to_user((void *)A(ptr), &p, sizeof(pv32_t) - 8 - UUID_LEN+1);
err = copy_to_user(A(ptr), &p, sizeof(pv32_t) - 8 - UUID_LEN+1);
if (err)
return -EFAULT;
err = copy_to_user(((pv_t *)A(ptr))->pv_uuid, p.pv_uuid, UUID_LEN + 1);
err = copy_to_user(&((pv_t __user *)A(ptr))->pv_uuid[0], &p.pv_uuid[0], UUID_LEN + 1);
if (err)
return -EFAULT;
}
......@@ -3229,7 +3223,7 @@ typedef struct drm32_version {
static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_version_t *uversion = (drm32_version_t *)arg;
char *name_ptr, *date_ptr, *desc_ptr;
char __user *name_ptr, *date_ptr, *desc_ptr;
u32 tmp1, tmp2, tmp3;
drm_version_t kversion;
mm_segment_t old_fs;
......@@ -3244,9 +3238,9 @@ static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(tmp3, &uversion->desc))
return -EFAULT;
name_ptr = (char *) A(tmp1);
date_ptr = (char *) A(tmp2);
desc_ptr = (char *) A(tmp3);
name_ptr = A(tmp1);
date_ptr = A(tmp2);
desc_ptr = A(tmp3);
ret = -ENOMEM;
if (kversion.name_len && name_ptr) {
......@@ -3309,7 +3303,7 @@ static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long a
drm32_unique_t *uarg = (drm32_unique_t *)arg;
drm_unique_t karg;
mm_segment_t old_fs;
char *uptr;
char __user *uptr;
u32 tmp;
int ret;
......@@ -3320,7 +3314,7 @@ static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long a
if (get_user(tmp, &uarg->unique))
return -EFAULT;
uptr = (char *) A(tmp);
uptr = A(tmp);
if (uptr) {
karg.unique = kmalloc(karg.unique_len, GFP_KERNEL);
......@@ -3385,7 +3379,7 @@ static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg)
if (ret)
return -EFAULT;
karg.handle = (void *) A(tmp);
karg.handle = A(tmp);
old_fs = get_fs();
set_fs(KERNEL_DS);
......@@ -3416,7 +3410,7 @@ typedef struct drm32_buf_info {
static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_buf_info_t *uarg = (drm32_buf_info_t *)arg;
drm_buf_desc_t *ulist;
drm_buf_desc_t __user *ulist;
drm_buf_info_t karg;
mm_segment_t old_fs;
int orig_count, ret;
......@@ -3426,7 +3420,7 @@ static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(tmp, &uarg->list))
return -EFAULT;
ulist = (drm_buf_desc_t *) A(tmp);
ulist = A(tmp);
orig_count = karg.count;
......@@ -3464,7 +3458,7 @@ static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
drm32_buf_free_t *uarg = (drm32_buf_free_t *)arg;
drm_buf_free_t karg;
mm_segment_t old_fs;
int *ulist;
int __user *ulist;
int ret;
u32 tmp;
......@@ -3472,7 +3466,7 @@ static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(tmp, &uarg->list))
return -EFAULT;
ulist = (int *) A(tmp);
ulist = A(tmp);
karg.list = kmalloc(karg.count * sizeof(int), GFP_KERNEL);
if (!karg.list)
......@@ -3510,7 +3504,7 @@ typedef struct drm32_buf_map {
static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_buf_map_t *uarg = (drm32_buf_map_t *)arg;
drm32_buf_pub_t *ulist;
drm32_buf_pub_t __user *ulist;
drm_buf_map_t karg;
mm_segment_t old_fs;
int orig_count, ret, i;
......@@ -3521,8 +3515,8 @@ static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(tmp2, &uarg->list))
return -EFAULT;
karg.virtual = (void *) A(tmp1);
ulist = (drm32_buf_pub_t *) A(tmp2);
karg.virtual = A(tmp1);
ulist = A(tmp2);
orig_count = karg.count;
......@@ -3538,7 +3532,7 @@ static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(tmp1, &ulist[i].address))
goto out;
karg.list[i].address = (void *) A(tmp1);
karg.list[i].address = A(tmp1);
}
old_fs = get_fs();
......@@ -3589,7 +3583,7 @@ typedef struct drm32_dma {
static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_dma_t *uarg = (drm32_dma_t *) arg;
int *u_si, *u_ss, *u_ri, *u_rs;
int __user *u_si, *u_ss, *u_ri, *u_rs;
drm_dma_t karg;
mm_segment_t old_fs;
int ret;
......@@ -3610,10 +3604,10 @@ static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(karg.granted_count, &uarg->granted_count))
return -EFAULT;
u_si = (int *) A(tmp1);
u_ss = (int *) A(tmp2);
u_ri = (int *) A(tmp3);
u_rs = (int *) A(tmp4);
u_si = A(tmp1);
u_ss = A(tmp2);
u_ri = A(tmp3);
u_rs = A(tmp4);
if (karg.send_count) {
karg.send_indices = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
......@@ -3699,7 +3693,7 @@ typedef struct drm32_ctx_res {
static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_ctx_res_t *uarg = (drm32_ctx_res_t *) arg;
drm_ctx_t *ulist;
drm_ctx_t __user *ulist;
drm_ctx_res_t karg;
mm_segment_t old_fs;
int orig_count, ret;
......@@ -3710,7 +3704,7 @@ static int drm32_res_ctx(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(tmp, &uarg->contexts))
return -EFAULT;
ulist = (drm_ctx_t *) A(tmp);
ulist = A(tmp);
orig_count = karg.count;
if (karg.count && ulist) {
......@@ -3817,7 +3811,8 @@ static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long
struct usbdevfs_ctrltransfer32 *uctrl;
mm_segment_t old_fs;
__u32 udata;
void *uptr, *kptr;
void __user *uptr;
void *kptr;
int err;
uctrl = (struct usbdevfs_ctrltransfer32 *) arg;
......@@ -3829,7 +3824,7 @@ static int do_usbdevfs_control(unsigned int fd, unsigned int cmd, unsigned long
if (get_user(udata, &uctrl->data))
return -EFAULT;
uptr = (void *) A(udata);
uptr = A(udata);
/* In usbdevice_fs, it limits the control buffer to a page,
* for simplicity so do we.
......@@ -3878,7 +3873,8 @@ static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg
struct usbdevfs_bulktransfer32 *ubulk;
mm_segment_t old_fs;
__u32 udata;
void *uptr, *kptr;
void __user *uptr;
void *kptr;
int err;
ubulk = (struct usbdevfs_bulktransfer32 *) arg;
......@@ -3889,7 +3885,7 @@ static int do_usbdevfs_bulk(unsigned int fd, unsigned int cmd, unsigned long arg
get_user(udata, &ubulk->data))
return -EFAULT;
uptr = (void *) A(udata);
uptr = A(udata);
/* In usbdevice_fs, it limits the control buffer to a page,
* for simplicity so do we.
......@@ -4072,7 +4068,8 @@ static int do_usbdevfs_urb(unsigned int fd, unsigned int cmd, unsigned long arg)
struct usbdevfs_urb32 *uurb;
mm_segment_t old_fs;
__u32 udata;
void *uptr, *kptr;
void __user *uptr;
void *kptr;
unsigned int buflen;
int err;
......@@ -4096,7 +4093,7 @@ static int do_usbdevfs_urb(unsigned int fd, unsigned int cmd, unsigned long arg)
err = -EFAULT;
if (__get_user(udata, &uurb->buffer))
goto out;
uptr = (void *) A(udata);
uptr = A(udata);
err = -ENOMEM;
buflen = kurb->buffer_length;
......@@ -4153,7 +4150,7 @@ static int do_usbdevfs_reapurb(unsigned int fd, unsigned int cmd, unsigned long
set_fs(old_fs);
if (err >= 0 &&
put_user(((u32)(long)kptr), (u32 *) A(arg)))
put_user(((u32)(long)kptr), (u32 __user *) A(arg)))
err = -EFAULT;
return err;
......@@ -4205,7 +4202,7 @@ static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
struct mtd_oob_buf32 *uarg = (struct mtd_oob_buf32 *)arg;
struct mtd_oob_buf karg;
u32 tmp;
char *ptr;
char __user *ptr;
int ret;
if (get_user(karg.start, &uarg->start) ||
......@@ -4213,7 +4210,7 @@ static int mtd_rw_oob(unsigned int fd, unsigned int cmd, unsigned long arg)
get_user(tmp, &uarg->ptr))
return -EFAULT;
ptr = (char *)A(tmp);
ptr = A(tmp);
if (0 >= karg.length)
return -EINVAL;
......
arch/sparc64/kernel/process.c
View file @ a0e3315d
......@@ -473,7 +473,7 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp)
distance = fp - psp;
rval = (csp - distance);
if (copy_in_user(rval, psp, distance))
if (copy_in_user((void __user *) rval, (void __user *) psp, distance))
rval = 0;
else if (test_thread_flag(TIF_32BIT)) {
if (put_user(((u32)csp), &(((struct reg_window32 *)rval)->ins[6])))
......
arch/sparc64/kernel/signal.c
View file @ a0e3315d
......@@ -42,8 +42,8 @@ static int do_signal(sigset_t *oldset, struct pt_regs * regs,
/* {set, get}context() needed for 64-bit SparcLinux userland. */
asmlinkage void sparc64_set_context(struct pt_regs *regs)
{
struct ucontext *ucp = (struct ucontext *) regs->u_regs[UREG_I0];
mc_gregset_t *grp;
struct ucontext *ucp = (struct ucontext __user *) regs->u_regs[UREG_I0];
mc_gregset_t __user *grp;
unsigned long pc, npc, tstate;
unsigned long fp, i7;
unsigned char fenab;
......@@ -104,9 +104,9 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
err |= __get_user(fp, &(ucp->uc_mcontext.mc_fp));
err |= __get_user(i7, &(ucp->uc_mcontext.mc_i7));
err |= __put_user(fp,
(&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
(&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
err |= __put_user(i7,
(&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
(&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
err |= __get_user(fenab, &(ucp->uc_mcontext.mc_fpregs.mcfpu_enab));
if (fenab) {
......@@ -121,7 +121,7 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
(sizeof(unsigned int) * 32));
if (fprs & FPRS_DU)
err |= copy_from_user(fpregs+16,
((unsigned long *)&(ucp->uc_mcontext.mc_fpregs.mcfpu_fregs))+16,
((unsigned long __user *)&(ucp->uc_mcontext.mc_fpregs.mcfpu_fregs))+16,
(sizeof(unsigned int) * 32));
err |= __get_user(current_thread_info()->xfsr[0],
&(ucp->uc_mcontext.mc_fpregs.mcfpu_fsr));
......@@ -139,9 +139,9 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
asmlinkage void sparc64_get_context(struct pt_regs *regs)
{
struct ucontext *ucp = (struct ucontext *) regs->u_regs[UREG_I0];
mc_gregset_t *grp;
mcontext_t *mcp;
struct ucontext *ucp = (struct ucontext __user *) regs->u_regs[UREG_I0];
mc_gregset_t __user *grp;
mcontext_t __user *mcp;
unsigned long fp, i7;
unsigned char fenab;
int err;
......@@ -170,7 +170,7 @@ asmlinkage void sparc64_get_context(struct pt_regs *regs)
err = 0;
if (_NSIG_WORDS == 1)
err |= __put_user(current->blocked.sig[0],
(unsigned long *)&ucp->uc_sigmask);
(unsigned long __user *)&ucp->uc_sigmask);
else
err |= __copy_to_user(&ucp->uc_sigmask, &current->blocked,
sizeof(sigset_t));
......@@ -196,9 +196,9 @@ asmlinkage void sparc64_get_context(struct pt_regs *regs)
err |= __put_user(regs->u_regs[UREG_I7], &((*grp)[MC_O7]));
err |= __get_user(fp,
(&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
(&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
err |= __get_user(i7,
(&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
(&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
err |= __put_user(fp, &(mcp->mc_fp));
err |= __put_user(i7, &(mcp->mc_i7));
......@@ -213,7 +213,7 @@ asmlinkage void sparc64_get_context(struct pt_regs *regs)
(sizeof(unsigned int) * 32));
if (fprs & FPRS_DU)
err |= copy_to_user(
((unsigned long *)&(mcp->mc_fpregs.mcfpu_fregs))+16, fpregs+16,
((unsigned long __user *)&(mcp->mc_fpregs.mcfpu_fregs))+16, fpregs+16,
(sizeof(unsigned int) * 32));
err |= __put_user(current_thread_info()->xfsr[0], &(mcp->mc_fpregs.mcfpu_fsr));
err |= __put_user(current_thread_info()->gsr[0], &(mcp->mc_fpregs.mcfpu_gsr));
......@@ -231,7 +231,7 @@ struct rt_signal_frame {
struct sparc_stackf ss;
siginfo_t info;
struct pt_regs regs;
__siginfo_fpu_t * fpu_save;
__siginfo_fpu_t __user *fpu_save;
stack_t stack;
sigset_t mask;
__siginfo_fpu_t fpu_state;
......@@ -300,7 +300,7 @@ asmlinkage void do_sigsuspend(struct pt_regs *regs)
_sigpause_common(regs->u_regs[UREG_I0], regs);
}
asmlinkage void do_rt_sigsuspend(sigset_t *uset, size_t sigsetsize, struct pt_regs *regs)
asmlinkage void do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize, struct pt_regs *regs)
{
sigset_t oldset, set;
......@@ -351,7 +351,7 @@ asmlinkage void do_rt_sigsuspend(sigset_t *uset, size_t sigsetsize, struct pt_re
}
static inline int
restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
unsigned long *fpregs = current_thread_info()->fpregs;
unsigned long fprs;
......@@ -374,16 +374,16 @@ restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
void do_rt_sigreturn(struct pt_regs *regs)
{
struct rt_signal_frame *sf;
struct rt_signal_frame __user *sf;
unsigned long tpc, tnpc, tstate;
__siginfo_fpu_t *fpu_save;
__siginfo_fpu_t __user *fpu_save;
mm_segment_t old_fs;
sigset_t set;
stack_t st;
int err;
synchronize_user_stack ();
sf = (struct rt_signal_frame *)
sf = (struct rt_signal_frame __user *)
(regs->u_regs [UREG_FP] + STACK_BIAS);
/* 1. Make sure we are not getting garbage from the user */
......@@ -438,7 +438,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
}
/* Checks if the fp is valid */
static int invalid_frame_pointer(void *fp, int fplen)
static int invalid_frame_pointer(void __user *fp, int fplen)
{
if (((unsigned long) fp) & 7)
return 1;
......@@ -446,7 +446,7 @@ static int invalid_frame_pointer(void *fp, int fplen)
}
static inline int
save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
unsigned long *fpregs = (unsigned long *)(regs+1);
unsigned long fprs;
......@@ -466,7 +466,7 @@ save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
return err;
}
static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize)
static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize)
{
unsigned long sp;
......@@ -478,14 +478,14 @@ static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, u
!((current->sas_ss_sp + current->sas_ss_size) & 7))
sp = current->sas_ss_sp + current->sas_ss_size;
}
return (void *)(sp - framesize);
return (void __user *)(sp - framesize);
}
static inline void
setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
int signo, sigset_t *oldset, siginfo_t *info)
{
struct rt_signal_frame *sf;
struct rt_signal_frame __user *sf;
int sigframe_size, err;
/* 1. Make sure everything is clean */
......@@ -496,7 +496,8 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
sigframe_size -= sizeof(__siginfo_fpu_t);
sf = (struct rt_signal_frame *)get_sigframe(ka, regs, sigframe_size);
sf = (struct rt_signal_frame __user *)
get_sigframe(ka, regs, sigframe_size);
if (invalid_frame_pointer (sf, sigframe_size))
goto sigill;
......@@ -521,8 +522,8 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
err |= copy_to_user(&sf->mask, oldset, sizeof(sigset_t));
err |= copy_in_user((u64 *)sf,
(u64 *)(regs->u_regs[UREG_FP]+STACK_BIAS),
err |= copy_in_user((u64 __user *)sf,
(u64 __user *)(regs->u_regs[UREG_FP]+STACK_BIAS),
sizeof(struct reg_window));
if (info)
......@@ -560,7 +561,8 @@ static inline void handle_signal(unsigned long signr, struct k_sigaction *ka,
siginfo_t *info,
sigset_t *oldset, struct pt_regs *regs)
{
setup_rt_frame(ka, regs, signr, oldset, (ka->sa.sa_flags & SA_SIGINFO) ? info : NULL);
setup_rt_frame(ka, regs, signr, oldset,
(ka->sa.sa_flags & SA_SIGINFO) ? info : NULL);
if (ka->sa.sa_flags & SA_ONESHOT)
ka->sa.sa_handler = SIG_DFL;
if (!(ka->sa.sa_flags & SA_NOMASK)) {
......
arch/sparc64/kernel/signal32.c
View file @ a0e3315d
......@@ -56,7 +56,7 @@ struct signal_sframe32 {
/* struct sigcontext32 * */ u32 sig_scptr;
int sig_address;
struct sigcontext32 sig_context;
unsigned extramask[_COMPAT_NSIG_WORDS - 1];
unsigned int extramask[_COMPAT_NSIG_WORDS - 1];
};
/*
......@@ -68,9 +68,9 @@ struct new_signal_frame32 {
struct sparc_stackf32 ss;
__siginfo32_t info;
/* __siginfo_fpu32_t * */ u32 fpu_save;
unsigned int insns [2];
unsigned extramask[_COMPAT_NSIG_WORDS - 1];
unsigned extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
unsigned int insns[2];
unsigned int extramask[_COMPAT_NSIG_WORDS - 1];
unsigned int extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
/* Only valid if (info.si_regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */
siginfo_extra_v8plus_t v8plus;
__siginfo_fpu_t fpu_state;
......@@ -82,9 +82,9 @@ struct rt_signal_frame32 {
struct pt_regs32 regs;
compat_sigset_t mask;
/* __siginfo_fpu32_t * */ u32 fpu_save;
unsigned int insns [2];
unsigned int insns[2];
stack_t32 stack;
unsigned extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
unsigned int extra_size; /* Should be sizeof(siginfo_extra_v8plus_t) */
/* Only valid if (regs.psr & (PSR_VERS|PSR_IMPL)) == PSR_V8PLUS */
siginfo_extra_v8plus_t v8plus;
__siginfo_fpu_t fpu_state;
......@@ -95,11 +95,11 @@ struct rt_signal_frame32 {
#define NF_ALIGNEDSZ (((sizeof(struct new_signal_frame32) + 7) & (~7)))
#define RT_ALIGNEDSZ (((sizeof(struct rt_signal_frame32) + 7) & (~7)))
int copy_siginfo_to_user32(siginfo_t32 *to, siginfo_t *from)
int copy_siginfo_to_user32(siginfo_t32 __user *to, siginfo_t *from)
{
int err;
if (!access_ok (VERIFY_WRITE, to, sizeof(siginfo_t32)))
if (!access_ok(VERIFY_WRITE, to, sizeof(siginfo_t32)))
return -EFAULT;
/* If you change siginfo_t structure, please be sure
......@@ -187,7 +187,7 @@ asmlinkage void do_rt_sigsuspend32(u32 uset, size_t sigsetsize, struct pt_regs *
regs->u_regs[UREG_I0] = EINVAL;
return;
}
if (copy_from_user(&set32, (void *)(long)uset, sizeof(set32))) {
if (copy_from_user(&set32, (void __user *)(long)uset, sizeof(set32))) {
regs->tstate |= TSTATE_ICARRY;
regs->u_regs[UREG_I0] = EFAULT;
return;
......@@ -231,7 +231,7 @@ asmlinkage void do_rt_sigsuspend32(u32 uset, size_t sigsetsize, struct pt_regs *
}
}
static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t *fpu)
static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
unsigned long *fpregs = current_thread_info()->fpregs;
unsigned long fprs;
......@@ -252,7 +252,7 @@ static int restore_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t *fpu)
void do_new_sigreturn32(struct pt_regs *regs)
{
struct new_signal_frame32 *sf;
struct new_signal_frame32 __user *sf;
unsigned int psr;
unsigned pc, npc, fpu_save;
sigset_t set;
......@@ -260,10 +260,10 @@ void do_new_sigreturn32(struct pt_regs *regs)
int err, i;
regs->u_regs[UREG_FP] &= 0x00000000ffffffffUL;
sf = (struct new_signal_frame32 *) regs->u_regs [UREG_FP];
sf = (struct new_signal_frame32 __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
if (verify_area (VERIFY_READ, sf, sizeof (*sf)) ||
if (verify_area(VERIFY_READ, sf, sizeof(*sf)) ||
(((unsigned long) sf) & 3))
goto segv;
......@@ -302,7 +302,8 @@ void do_new_sigreturn32(struct pt_regs *regs)
if (fpu_save)
err |= restore_fpu_state32(regs, &sf->fpu_state);
err |= __get_user(seta[0], &sf->info.si_mask);
err |= copy_from_user(seta+1, &sf->extramask, (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned));
err |= copy_from_user(seta+1, &sf->extramask,
(_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
if (err)
goto segv;
switch (_NSIG_WORDS) {
......@@ -324,17 +325,17 @@ void do_new_sigreturn32(struct pt_regs *regs)
asmlinkage void do_sigreturn32(struct pt_regs *regs)
{
struct sigcontext32 *scptr;
unsigned pc, npc, psr;
struct sigcontext32 __user *scptr;
unsigned int pc, npc, psr;
sigset_t set;
unsigned seta[_COMPAT_NSIG_WORDS];
unsigned int seta[_COMPAT_NSIG_WORDS];
int err;
synchronize_user_stack();
if (test_thread_flag(TIF_NEWSIGNALS))
return do_new_sigreturn32(regs);
scptr = (struct sigcontext32 *)
scptr = (struct sigcontext32 __user *)
(regs->u_regs[UREG_I0] & 0x00000000ffffffffUL);
/* Check sanity of the user arg. */
if (verify_area(VERIFY_READ, scptr, sizeof(struct sigcontext32)) ||
......@@ -349,7 +350,8 @@ asmlinkage void do_sigreturn32(struct pt_regs *regs)
err |= __get_user(seta[0], &scptr->sigc_mask);
/* Note that scptr + 1 points to extramask */
err |= copy_from_user(seta+1, scptr + 1, (_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned));
err |= copy_from_user(seta+1, scptr + 1,
(_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
if (err)
goto segv;
switch (_NSIG_WORDS) {
......@@ -388,9 +390,8 @@ asmlinkage void do_sigreturn32(struct pt_regs *regs)
asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
{
struct rt_signal_frame32 *sf;
unsigned int psr;
unsigned pc, npc, fpu_save;
struct rt_signal_frame32 __user *sf;
unsigned int psr, pc, npc, fpu_save;
mm_segment_t old_fs;
sigset_t set;
compat_sigset_t seta;
......@@ -399,10 +400,10 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
synchronize_user_stack();
regs->u_regs[UREG_FP] &= 0x00000000ffffffffUL;
sf = (struct rt_signal_frame32 *) regs->u_regs [UREG_FP];
sf = (struct rt_signal_frame32 __user *) regs->u_regs[UREG_FP];
/* 1. Make sure we are not getting garbage from the user */
if (verify_area (VERIFY_READ, sf, sizeof (*sf)) ||
if (verify_area(VERIFY_READ, sf, sizeof(*sf)) ||
(((unsigned long) sf) & 3))
goto segv;
......@@ -471,14 +472,14 @@ asmlinkage void do_rt_sigreturn32(struct pt_regs *regs)
}
/* Checks if the fp is valid */
static int invalid_frame_pointer(void *fp, int fplen)
static int invalid_frame_pointer(void __user *fp, int fplen)
{
if ((((unsigned long) fp) & 7) || ((unsigned long)fp) > 0x100000000ULL - fplen)
return 1;
return 0;
}
static void *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned long framesize)
static void __user *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned long framesize)
{
unsigned long sp;
......@@ -490,25 +491,21 @@ static void *get_sigframe(struct sigaction *sa, struct pt_regs *regs, unsigned l
if (!on_sig_stack(sp) && !((current->sas_ss_sp + current->sas_ss_size) & 7))
sp = current->sas_ss_sp + current->sas_ss_size;
}
return (void *)(sp - framesize);
return (void __user *)(sp - framesize);
}
static void
setup_frame32(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *oldset, siginfo_t *info)
{
struct signal_sframe32 *sframep;
struct sigcontext32 *sc;
unsigned seta[_COMPAT_NSIG_WORDS];
struct signal_sframe32 __user *sframep;
struct sigcontext32 __user *sc;
unsigned int seta[_COMPAT_NSIG_WORDS];
int err = 0;
void *sig_address;
int sig_code;
unsigned long pc = regs->tpc;
unsigned long npc = regs->tnpc;
#if 0
int window = 0;
#endif
unsigned psr;
unsigned int psr;
if (test_thread_flag(TIF_32BIT)) {
pc &= 0xffffffff;
......@@ -518,8 +515,9 @@ setup_frame32(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *o
synchronize_user_stack();
save_and_clear_fpu();
sframep = (struct signal_sframe32 *)get_sigframe(sa, regs, SF_ALIGNEDSZ);
if (invalid_frame_pointer (sframep, sizeof(*sframep))){
sframep = (struct signal_sframe32 __user *)
get_sigframe(sa, regs, SF_ALIGNEDSZ);
if (invalid_frame_pointer(sframep, sizeof(*sframep))){
/* Don't change signal code and address, so that
* post mortem debuggers can have a look.
*/
......@@ -544,32 +542,21 @@ setup_frame32(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *o
}
err |= __put_user(seta[0], &sc->sigc_mask);
err |= __copy_to_user(sframep->extramask, seta + 1,
(_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned));
(_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
err |= __put_user(regs->u_regs[UREG_FP], &sc->sigc_sp);
err |= __put_user(pc, &sc->sigc_pc);
err |= __put_user(npc, &sc->sigc_npc);
psr = tstate_to_psr (regs->tstate);
psr = tstate_to_psr(regs->tstate);
if (current_thread_info()->fpsaved[0] & FPRS_FEF)
psr |= PSR_EF;
err |= __put_user(psr, &sc->sigc_psr);
err |= __put_user(regs->u_regs[UREG_G1], &sc->sigc_g1);
err |= __put_user(regs->u_regs[UREG_I0], &sc->sigc_o0);
err |= __put_user(get_thread_wsaved(), &sc->sigc_oswins);
#if 0
/* w_saved is not currently used... */
if (get_thread_wsaved())
for (window = 0; window < get_thread_wsaved(); window++) {
sc->sigc_spbuf[window] =
(char *) current_thread_info()->rwbuf_stkptrs[window];
err |= copy_to_user(&sc->sigc_wbuf[window],
&current_thread_info()->reg_window[window],
sizeof(struct reg_window));
}
else
#endif
err |= copy_in_user((u32 *)sframep,
(u32 *)(regs->u_regs[UREG_FP]),
sizeof(struct reg_window32));
err |= copy_in_user((u32 __user *)sframep,
(u32 __user *)(regs->u_regs[UREG_FP]),
sizeof(struct reg_window32));
set_thread_wsaved(0); /* So process is allowed to execute. */
err |= __put_user(signr, &sframep->sig_num);
......@@ -588,7 +575,7 @@ setup_frame32(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *o
switch (info->si_code) {
case ILL_ILLOPC: sig_code = SUBSIG_ILLINST; break;
case ILL_PRVOPC: sig_code = SUBSIG_PRIVINST; break;
case ILL_ILLTRP: sig_code = SUBSIG_BADTRAP (info->si_trapno); break;
case ILL_ILLTRP: sig_code = SUBSIG_BADTRAP(info->si_trapno); break;
default: sig_code = SUBSIG_STACK; break;
}
break;
......@@ -646,7 +633,7 @@ setup_frame32(struct sigaction *sa, struct pt_regs *regs, int signr, sigset_t *o
}
static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t *fpu)
static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
{
unsigned long *fpregs = current_thread_info()->fpregs;
unsigned long fprs;
......@@ -669,11 +656,11 @@ static int save_fpu_state32(struct pt_regs *regs, __siginfo_fpu_t *fpu)
static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
int signo, sigset_t *oldset)
{
struct new_signal_frame32 *sf;
struct new_signal_frame32 __user *sf;
int sigframe_size;
u32 psr;
int i, err;
unsigned seta[_COMPAT_NSIG_WORDS];
unsigned int seta[_COMPAT_NSIG_WORDS];
/* 1. Make sure everything is clean */
synchronize_user_stack();
......@@ -683,9 +670,10 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
sigframe_size -= sizeof(__siginfo_fpu_t);
sf = (struct new_signal_frame32 *)get_sigframe(&ka->sa, regs, sigframe_size);
sf = (struct new_signal_frame32 __user *)
get_sigframe(&ka->sa, regs, sigframe_size);
if (invalid_frame_pointer (sf, sigframe_size))
if (invalid_frame_pointer(sf, sigframe_size))
goto sigill;
if (get_thread_wsaved() != 0)
......@@ -699,7 +687,7 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
err = put_user(regs->tpc, &sf->info.si_regs.pc);
err |= __put_user(regs->tnpc, &sf->info.si_regs.npc);
err |= __put_user(regs->y, &sf->info.si_regs.y);
psr = tstate_to_psr (regs->tstate);
psr = tstate_to_psr(regs->tstate);
if (current_thread_info()->fpsaved[0] & FPRS_FEF)
psr |= PSR_EF;
err |= __put_user(psr, &sf->info.si_regs.psr);
......@@ -729,10 +717,10 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
}
err |= __put_user(seta[0], &sf->info.si_mask);
err |= __copy_to_user(sf->extramask, seta + 1,
(_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned));
(_COMPAT_NSIG_WORDS - 1) * sizeof(unsigned int));
err |= copy_in_user((u32 *)sf,
(u32 *)(regs->u_regs[UREG_FP]),
err |= copy_in_user((u32 __user *)sf,
(u32 __user *)(regs->u_regs[UREG_FP]),
sizeof(struct reg_window32));
if (err)
......@@ -771,7 +759,8 @@ static void new_setup_frame32(struct k_sigaction *ka, struct pt_regs *regs,
preempt_disable();
ptep = pte_offset_map(pmdp, address);
if (pte_present(*ptep)) {
unsigned long page = (unsigned long) page_address(pte_page(*ptep));
unsigned long page = (unsigned long)
page_address(pte_page(*ptep));
__asm__ __volatile__(
" membar #StoreStore\n"
......@@ -795,30 +784,29 @@ static void
setup_svr4_frame32(struct sigaction *sa, unsigned long pc, unsigned long npc,
struct pt_regs *regs, int signr, sigset_t *oldset)
{
svr4_signal_frame_t *sfp;
svr4_gregset_t *gr;
svr4_siginfo_t *si;
svr4_mcontext_t *mc;
svr4_gwindows_t *gw;
svr4_ucontext_t *uc;
svr4_signal_frame_t __user *sfp;
svr4_gregset_t __user *gr;
svr4_siginfo_t __user *si;
svr4_mcontext_t __user *mc;
svr4_gwindows_t __user *gw;
svr4_ucontext_t __user *uc;
svr4_sigset_t setv;
#if 0
int window = 0;
#endif
unsigned psr;
unsigned int psr;
int i, err;
synchronize_user_stack();
save_and_clear_fpu();
regs->u_regs[UREG_FP] &= 0x00000000ffffffffUL;
sfp = (svr4_signal_frame_t *) get_sigframe(sa, regs, sizeof(struct reg_window32) + SVR4_SF_ALIGNED);
sfp = (svr4_signal_frame_t __user *)
get_sigframe(sa, regs,
sizeof(struct reg_window32) + SVR4_SF_ALIGNED);
if (invalid_frame_pointer (sfp, sizeof (*sfp)))
if (invalid_frame_pointer(sfp, sizeof(*sfp)))
do_exit(SIGILL);
/* Start with a clean frame pointer and fill it */
err = clear_user(sfp, sizeof (*sfp));
err = clear_user(sfp, sizeof(*sfp));
/* Setup convenience variables */
si = &sfp->si;
......@@ -838,22 +826,23 @@ setup_svr4_frame32(struct sigaction *sa, unsigned long pc, unsigned long npc,
setv.sigbits[3] = (oldset->sig[1] >> 32);
err |= __copy_to_user(&uc->sigmask, &setv, sizeof(svr4_sigset_t));
} else
err |= __copy_to_user(&uc->sigmask, &setv, 2 * sizeof(unsigned));
err |= __copy_to_user(&uc->sigmask, &setv,
2 * sizeof(unsigned int));
/* Store registers */
if (test_thread_flag(TIF_32BIT)) {
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
err |= __put_user(regs->tpc, &((*gr) [SVR4_PC]));
err |= __put_user(regs->tnpc, &((*gr) [SVR4_NPC]));
psr = tstate_to_psr (regs->tstate);
err |= __put_user(regs->tpc, &((*gr)[SVR4_PC]));
err |= __put_user(regs->tnpc, &((*gr)[SVR4_NPC]));
psr = tstate_to_psr(regs->tstate);
if (current_thread_info()->fpsaved[0] & FPRS_FEF)
psr |= PSR_EF;
err |= __put_user(psr, &((*gr) [SVR4_PSR]));
err |= __put_user(regs->y, &((*gr) [SVR4_Y]));
err |= __put_user(psr, &((*gr)[SVR4_PSR]));
err |= __put_user(regs->y, &((*gr)[SVR4_Y]));
/* Copy g [1..7] and o [0..7] registers */
/* Copy g[1..7] and o[0..7] registers */
for (i = 0; i < 7; i++)
err |= __put_user(regs->u_regs[UREG_G1+i], (&(*gr)[SVR4_G1])+i);
for (i = 0; i < 8; i++)
......@@ -872,29 +861,7 @@ setup_svr4_frame32(struct sigaction *sa, unsigned long pc, unsigned long npc,
/* 2. Number of windows to restore at setcontext (): */
err |= __put_user(get_thread_wsaved(), &gw->count);
/* 3. Save each valid window
* Currently, it makes a copy of the windows from the kernel copy.
* David's code for SunOS, makes the copy but keeps the pointer to
* the kernel. My version makes the pointer point to a userland
* copy of those. Mhm, I wonder if I shouldn't just ignore those
* on setcontext and use those that are on the kernel, the signal
* handler should not be modyfing those, mhm.
*
* These windows are just used in case synchronize_user_stack failed
* to flush the user windows.
*/
#if 0
for (window = 0; window < get_thread_wsaved(); window++) {
err |= __put_user((int *) &(gw->win[window]),
(int **) gw->winptr + window);
err |= copy_to_user(&gw->win[window],
&current_thread_info()->reg_window[window],
sizeof (svr4_rwindow_t));
err |= __put_user(0, (int *) gw->winptr + window);
}
#endif
/* 4. We just pay attention to the gw->count field on setcontext */
/* 3. We just pay attention to the gw->count field on setcontext */
set_thread_wsaved(0); /* So process is allowed to execute. */
/* Setup the signal information. Solaris expects a bunch of
......@@ -915,14 +882,14 @@ setup_svr4_frame32(struct sigaction *sa, unsigned long pc, unsigned long npc,
}
/* Arguments passed to signal handler */
if (regs->u_regs [14]){
struct reg_window32 *rw = (struct reg_window32 *)
(regs->u_regs [14] & 0x00000000ffffffffUL);
err |= __put_user(signr, &rw->ins [0]);
err |= __put_user((u64)si, &rw->ins [1]);
err |= __put_user((u64)uc, &rw->ins [2]);
err |= __put_user((u64)sfp, &rw->ins [6]); /* frame pointer */
if (regs->u_regs[14]){
struct reg_window32 __user *rw = (struct reg_window32 __user *)
(regs->u_regs[14] & 0x00000000ffffffffUL);
err |= __put_user(signr, &rw->ins[0]);
err |= __put_user((u64)si, &rw->ins[1]);
err |= __put_user((u64)uc, &rw->ins[2]);
err |= __put_user((u64)sfp, &rw->ins[6]); /* frame pointer */
if (err)
goto sigsegv;
......@@ -937,20 +904,21 @@ setup_svr4_frame32(struct sigaction *sa, unsigned long pc, unsigned long npc,
}
asmlinkage int
svr4_getcontext(svr4_ucontext_t *uc, struct pt_regs *regs)
svr4_getcontext(svr4_ucontext_t __user *uc, struct pt_regs *regs)
{
svr4_gregset_t *gr;
svr4_mcontext_t *mc;
svr4_gregset_t __user *gr;
svr4_mcontext_t __user *mc;
svr4_sigset_t setv;
int i, err;
u32 psr;
synchronize_user_stack();
save_and_clear_fpu();
if (get_thread_wsaved())
do_exit (SIGSEGV);
do_exit(SIGSEGV);
err = clear_user(uc, sizeof (*uc));
err = clear_user(uc, sizeof(*uc));
/* Setup convenience variables */
mc = &uc->mcontext;
......@@ -970,19 +938,17 @@ svr4_getcontext(svr4_ucontext_t *uc, struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
err |= __put_user(regs->tpc, &uc->mcontext.greg [SVR4_PC]);
err |= __put_user(regs->tnpc, &uc->mcontext.greg [SVR4_NPC]);
#if 1
err |= __put_user(0, &uc->mcontext.greg [SVR4_PSR]);
#else
i = tstate_to_psr(regs->tstate) & ~PSR_EF;
err |= __put_user(regs->tpc, &uc->mcontext.greg[SVR4_PC]);
err |= __put_user(regs->tnpc, &uc->mcontext.greg[SVR4_NPC]);
psr = tstate_to_psr(regs->tstate) & ~PSR_EF;
if (current_thread_info()->fpsaved[0] & FPRS_FEF)
i |= PSR_EF;
err |= __put_user(i, &uc->mcontext.greg [SVR4_PSR]);
#endif
err |= __put_user(regs->y, &uc->mcontext.greg [SVR4_Y]);
psr |= PSR_EF;
err |= __put_user(psr, &uc->mcontext.greg[SVR4_PSR]);
err |= __put_user(regs->y, &uc->mcontext.greg[SVR4_Y]);
/* Copy g [1..7] and o [0..7] registers */
/* Copy g[1..7] and o[0..7] registers */
for (i = 0; i < 7; i++)
err |= __put_user(regs->u_regs[UREG_G1+i], (&(*gr)[SVR4_G1])+i);
for (i = 0; i < 8; i++)
......@@ -1001,9 +967,9 @@ svr4_getcontext(svr4_ucontext_t *uc, struct pt_regs *regs)
/* Set the context for a svr4 application, this is Solaris way to sigreturn */
asmlinkage int svr4_setcontext(svr4_ucontext_t *c, struct pt_regs *regs)
asmlinkage int svr4_setcontext(svr4_ucontext_t __user *c, struct pt_regs *regs)
{
svr4_gregset_t *gr;
svr4_gregset_t __user *gr;
mm_segment_t old_fs;
u32 pc, npc, psr;
sigset_t set;
......@@ -1020,7 +986,7 @@ asmlinkage int svr4_setcontext(svr4_ucontext_t *c, struct pt_regs *regs)
goto sigsegv;
if (((unsigned long) c) & 3){
printk ("Unaligned structure passed\n");
printk("Unaligned structure passed\n");
goto sigsegv;
}
......@@ -1040,7 +1006,7 @@ asmlinkage int svr4_setcontext(svr4_ucontext_t *c, struct pt_regs *regs)
/* note that nPC is ored a 1, this is used to inform entry.S */
/* that we don't want it to mess with our PC and nPC */
err |= copy_from_user (&setv, &c->sigmask, sizeof(svr4_sigset_t));
err |= copy_from_user(&setv, &c->sigmask, sizeof(svr4_sigset_t));
set.sig[0] = setv.sigbits[0] | (((long)setv.sigbits[1]) << 32);
if (_NSIG_WORDS >= 2)
set.sig[1] = setv.sigbits[2] | (((long)setv.sigbits[3]) << 32);
......@@ -1069,14 +1035,11 @@ asmlinkage int svr4_setcontext(svr4_ucontext_t *c, struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
err |= __get_user(regs->y, &((*gr) [SVR4_Y]));
err |= __get_user(psr, &((*gr) [SVR4_PSR]));
err |= __get_user(regs->y, &((*gr)[SVR4_Y]));
err |= __get_user(psr, &((*gr)[SVR4_PSR]));
regs->tstate &= ~(TSTATE_ICC|TSTATE_XCC);
regs->tstate |= psr_to_tstate_icc(psr);
#if 0
if (psr & PSR_EF)
regs->tstate |= TSTATE_PEF;
#endif
/* Restore g[1..7] and o[0..7] registers */
for (i = 0; i < 7; i++)
err |= __get_user(regs->u_regs[UREG_G1+i], (&(*gr)[SVR4_G1])+i);
......@@ -1094,7 +1057,7 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
unsigned long signr, sigset_t *oldset,
siginfo_t *info)
{
struct rt_signal_frame32 *sf;
struct rt_signal_frame32 __user *sf;
int sigframe_size;
u32 psr;
int i, err;
......@@ -1108,9 +1071,10 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
sigframe_size -= sizeof(__siginfo_fpu_t);
sf = (struct rt_signal_frame32 *)get_sigframe(&ka->sa, regs, sigframe_size);
sf = (struct rt_signal_frame32 __user *)
get_sigframe(&ka->sa, regs, sigframe_size);
if (invalid_frame_pointer (sf, sigframe_size))
if (invalid_frame_pointer(sf, sigframe_size))
goto sigill;
if (get_thread_wsaved() != 0)
......@@ -1124,7 +1088,7 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
err = put_user(regs->tpc, &sf->regs.pc);
err |= __put_user(regs->tnpc, &sf->regs.npc);
err |= __put_user(regs->y, &sf->regs.y);
psr = tstate_to_psr (regs->tstate);
psr = tstate_to_psr(regs->tstate);
if (current_thread_info()->fpsaved[0] & FPRS_FEF)
psr |= PSR_EF;
err |= __put_user(psr, &sf->regs.psr);
......@@ -1133,7 +1097,8 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
err |= __put_user(sizeof(siginfo_extra_v8plus_t), &sf->extra_size);
err |= __put_user(SIGINFO_EXTRA_V8PLUS_MAGIC, &sf->v8plus.g_upper[0]);
for (i = 1; i < 16; i++)
err |= __put_user(((u32 *)regs->u_regs)[2*i], &sf->v8plus.g_upper[i]);
err |= __put_user(((u32 *)regs->u_regs)[2*i],
&sf->v8plus.g_upper[i]);
if (psr & PSR_EF) {
err |= save_fpu_state32(regs, &sf->fpu_state);
......@@ -1162,8 +1127,8 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
}
err |= __copy_to_user(&sf->mask, &seta, sizeof(compat_sigset_t));
err |= copy_in_user((u32 *)sf,
(u32 *)(regs->u_regs[UREG_FP]),
err |= copy_in_user((u32 __user *)sf,
(u32 __user *)(regs->u_regs[UREG_FP]),
sizeof(struct reg_window32));
if (err)
goto sigsegv;
......@@ -1204,7 +1169,8 @@ static void setup_rt_frame32(struct k_sigaction *ka, struct pt_regs *regs,
preempt_disable();
ptep = pte_offset_map(pmdp, address);
if (pte_present(*ptep)) {
unsigned long page = (unsigned long) page_address(pte_page(*ptep));
unsigned long page = (unsigned long)
page_address(pte_page(*ptep));
__asm__ __volatile__(
" membar #StoreStore\n"
......@@ -1229,7 +1195,8 @@ static inline void handle_signal32(unsigned long signr, struct k_sigaction *ka,
int svr4_signal)
{
if (svr4_signal)
setup_svr4_frame32(&ka->sa, regs->tpc, regs->tnpc, regs, signr, oldset);
setup_svr4_frame32(&ka->sa, regs->tpc, regs->tnpc,
regs, signr, oldset);
else {
if (ka->sa.sa_flags & SA_SIGINFO)
setup_rt_frame32(ka, regs, signr, oldset, info);
......@@ -1322,13 +1289,16 @@ struct sigstack32 {
asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp)
{
struct sigstack32 *ssptr = (struct sigstack32 *)((unsigned long)(u_ssptr));
struct sigstack32 *ossptr = (struct sigstack32 *)((unsigned long)(u_ossptr));
struct sigstack32 __user *ssptr =
(struct sigstack32 __user *)((unsigned long)(u_ssptr));
struct sigstack32 __user *ossptr =
(struct sigstack32 __user *)((unsigned long)(u_ossptr));
int ret = -EFAULT;
/* First see if old state is wanted. */
if (ossptr) {
if (put_user(current->sas_ss_sp + current->sas_ss_size, &ossptr->the_stack) ||
if (put_user(current->sas_ss_sp + current->sas_ss_size,
&ossptr->the_stack) ||
__put_user(on_sig_stack(sp), &ossptr->cur_status))
goto out;
}
......@@ -1339,15 +1309,18 @@ asmlinkage int do_sys32_sigstack(u32 u_ssptr, u32 u_ossptr, unsigned long sp)
if (get_user((long)ss_sp, &ssptr->the_stack))
goto out;
/* If the current stack was set with sigaltstack, don't
swap stacks while we are on it. */
* swap stacks while we are on it.
*/
ret = -EPERM;
if (current->sas_ss_sp && on_sig_stack(sp))
goto out;
/* Since we don't know the extent of the stack, and we don't
track onstack-ness, but rather calculate it, we must
presume a size. Ho hum this interface is lossy. */
* track onstack-ness, but rather calculate it, we must
* presume a size. Ho hum this interface is lossy.
*/
current->sas_ss_sp = (unsigned long)ss_sp - SIGSTKSZ;
current->sas_ss_size = SIGSTKSZ;
}
......@@ -1363,17 +1336,17 @@ asmlinkage int do_sys32_sigaltstack(u32 ussa, u32 uossa, unsigned long sp)
int ret;
mm_segment_t old_fs;
if (ussa && (get_user((long)uss.ss_sp, &((stack_t32 *)(long)ussa)->ss_sp) ||
__get_user(uss.ss_flags, &((stack_t32 *)(long)ussa)->ss_flags) ||
__get_user(uss.ss_size, &((stack_t32 *)(long)ussa)->ss_size)))
if (ussa && (get_user((long)uss.ss_sp, &((stack_t32 __user *)(long)ussa)->ss_sp) ||
__get_user(uss.ss_flags, &((stack_t32 __user *)(long)ussa)->ss_flags) ||
__get_user(uss.ss_size, &((stack_t32 __user *)(long)ussa)->ss_size)))
return -EFAULT;
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = do_sigaltstack(ussa ? &uss : NULL, uossa ? &uoss : NULL, sp);
set_fs(old_fs);
if (!ret && uossa && (put_user((long)uoss.ss_sp, &((stack_t32 *)(long)uossa)->ss_sp) ||
__put_user(uoss.ss_flags, &((stack_t32 *)(long)uossa)->ss_flags) ||
__put_user(uoss.ss_size, &((stack_t32 *)(long)uossa)->ss_size)))
if (!ret && uossa && (put_user((long)uoss.ss_sp, &((stack_t32 __user *)(long)uossa)->ss_sp) ||
__put_user(uoss.ss_flags, &((stack_t32 __user *)(long)uossa)->ss_flags) ||
__put_user(uoss.ss_size, &((stack_t32 __user *)(long)uossa)->ss_size)))
return -EFAULT;
return ret;
}
arch/sparc64/kernel/sys_sparc.c
View file @ a0e3315d
......@@ -245,9 +245,9 @@ asmlinkage int sys_ipc (unsigned call, int first, int second, unsigned long thir
return err;
}
extern asmlinkage int sys_newuname(struct new_utsname * name);
extern asmlinkage int sys_newuname(struct new_utsname __user *name);
asmlinkage int sparc64_newuname(struct new_utsname * name)
asmlinkage int sparc64_newuname(struct new_utsname __user *name)
{
int ret = sys_newuname(name);
......@@ -421,7 +421,7 @@ sparc_breakpoint (struct pt_regs *regs)
extern void check_pending(int signum);
asmlinkage int sys_getdomainname(char *name, int len)
asmlinkage int sys_getdomainname(char __user *name, int len)
{
int nlen;
int err = -EFAULT;
......@@ -432,9 +432,9 @@ asmlinkage int sys_getdomainname(char *name, int len)
if (nlen < len)
len = nlen;
if(len > __NEW_UTS_LEN)
if (len > __NEW_UTS_LEN)
goto done;
if(copy_to_user(name, system_utsname.domainname, len))
if (copy_to_user(name, system_utsname.domainname, len))
goto done;
err = 0;
done:
......@@ -458,7 +458,7 @@ asmlinkage int solaris_syscall(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
if(++count <= 5) {
if (++count <= 5) {
printk ("For Solaris binary emulation you need solaris module loaded\n");
show_regs (regs);
}
......@@ -478,7 +478,7 @@ asmlinkage int sunos_syscall(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
if(++count <= 20)
if (++count <= 20)
printk ("SunOS binary emulation not compiled in\n");
force_sig(SIGSEGV, current);
......@@ -486,9 +486,11 @@ asmlinkage int sunos_syscall(struct pt_regs *regs)
}
#endif
asmlinkage int sys_utrap_install(utrap_entry_t type, utrap_handler_t new_p,
asmlinkage int sys_utrap_install(utrap_entry_t type,
utrap_handler_t new_p,
utrap_handler_t new_d,
utrap_handler_t *old_p, utrap_handler_t *old_d)
utrap_handler_t __user *old_p,
utrap_handler_t __user *old_d)
{
if (type < UT_INSTRUCTION_EXCEPTION || type > UT_TRAP_INSTRUCTION_31)
return -EINVAL;
......@@ -511,9 +513,11 @@ asmlinkage int sys_utrap_install(utrap_entry_t type, utrap_handler_t new_p,
if (!current_thread_info()->utraps) {
current_thread_info()->utraps =
kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long), GFP_KERNEL);
if (!current_thread_info()->utraps) return -ENOMEM;
if (!current_thread_info()->utraps)
return -ENOMEM;
current_thread_info()->utraps[0] = 1;
memset(current_thread_info()->utraps+1, 0, UT_TRAP_INSTRUCTION_31*sizeof(long));
memset(current_thread_info()->utraps+1, 0,
UT_TRAP_INSTRUCTION_31*sizeof(long));
} else {
if ((utrap_handler_t)current_thread_info()->utraps[type] != new_p &&
current_thread_info()->utraps[0] > 1) {
......
include/asm-sparc/signal.h
View file @ a0e3315d
......@@ -118,10 +118,10 @@ struct sigstack {
};
/* Sigvec flags */
#define SV_SSTACK 1 /* This signal handler should use sig-stack */
#define SV_INTR 2 /* Sig return should not restart system call */
#define SV_RESET 4 /* Set handler to SIG_DFL upon taken signal */
#define SV_IGNCHILD 8 /* Do not send SIGCHLD */
#define SV_SSTACK 1u /* This signal handler should use sig-stack */
#define SV_INTR 2u /* Sig return should not restart system call */
#define SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
#define SV_IGNCHILD 8u /* Do not send SIGCHLD */
/*
* sa_flags values: SA_STACK is not currently supported, but will allow the
......@@ -137,11 +137,11 @@ struct sigstack {
#define SA_ONSTACK SV_SSTACK
#define SA_RESTART SV_INTR
#define SA_ONESHOT SV_RESET
#define SA_INTERRUPT 0x10
#define SA_NOMASK 0x20
#define SA_SHIRQ 0x40
#define SA_NOCLDWAIT 0x100
#define SA_SIGINFO 0x200
#define SA_INTERRUPT 0x10u
#define SA_NOMASK 0x20u
#define SA_SHIRQ 0x40u
#define SA_NOCLDWAIT 0x100u
#define SA_SIGINFO 0x200u
#define SIG_BLOCK 0x01 /* for blocking signals */
#define SIG_UNBLOCK 0x02 /* for unblocking signals */
......
include/asm-sparc/uaccess.h
View file @ a0e3315d
......@@ -8,6 +8,7 @@
#define _ASM_UACCESS_H
#ifdef __KERNEL__
#include <linux/compiler.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/errno.h>
......@@ -45,7 +46,7 @@
#define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size)))
#define access_ok(type,addr,size) __access_ok((unsigned long)(addr),(size))
extern inline int verify_area(int type, const void * addr, unsigned long size)
static inline int verify_area(int type, const void __user * addr, unsigned long size)
{
return access_ok(type,addr,size)?0:-EFAULT;
}
......@@ -291,87 +292,87 @@ __asm__ __volatile__( \
extern int __get_user_bad(void);
extern __kernel_size_t __copy_user(void *to, void *from, __kernel_size_t size);
#define copy_to_user(to,from,n) ({ \
void *__copy_to = (void *) (to); \
__kernel_size_t __copy_size = (__kernel_size_t) (n); \
__kernel_size_t __copy_res; \
if(__copy_size && __access_ok((unsigned long)__copy_to, __copy_size)) { \
__copy_res = __copy_user(__copy_to, (void *) (from), __copy_size); \
} else __copy_res = __copy_size; \
__copy_res; })
#define __copy_to_user(to,from,n) \
__copy_user((void *)(to), \
(void *)(from), n)
#define copy_from_user(to,from,n) ({ \
void *__copy_to = (void *) (to); \
void *__copy_from = (void *) (from); \
__kernel_size_t __copy_size = (__kernel_size_t) (n); \
__kernel_size_t __copy_res; \
if(__copy_size && __access_ok((unsigned long)__copy_from, __copy_size)) { \
__copy_res = __copy_user(__copy_to, __copy_from, __copy_size); \
} else __copy_res = __copy_size; \
__copy_res; })
#define __copy_from_user(to,from,n) \
__copy_user((void *)(to), \
(void *)(from), n)
extern __inline__ __kernel_size_t __clear_user(void *addr, __kernel_size_t size)
extern unsigned long __copy_user(void *to, void *from, unsigned long size);
static inline unsigned long copy_to_user(void __user *to, void *from, unsigned long n)
{
__kernel_size_t ret;
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
".word 1f,3\n\t"
".previous\n\t"
"mov %2, %%o1\n"
"1:\n\t"
"call __bzero\n\t"
" mov %1, %%o0\n\t"
"mov %%o0, %0\n"
: "=r" (ret) : "r" (addr), "r" (size) :
"o0", "o1", "o2", "o3", "o4", "o5", "o7",
"g1", "g2", "g3", "g4", "g5", "g7", "cc");
return ret;
if (n && __access_ok((unsigned long) to, n))
return __copy_user((void *) to, from, n);
else
return n;
}
#define clear_user(addr,n) ({ \
void *__clear_addr = (void *) (addr); \
__kernel_size_t __clear_size = (__kernel_size_t) (n); \
__kernel_size_t __clear_res; \
if(__clear_size && __access_ok((unsigned long)__clear_addr, __clear_size)) { \
__clear_res = __clear_user(__clear_addr, __clear_size); \
} else __clear_res = __clear_size; \
__clear_res; })
extern int __strncpy_from_user(unsigned long dest, unsigned long src, int count);
#define strncpy_from_user(dest,src,count) ({ \
unsigned long __sfu_src = (unsigned long) (src); \
int __sfu_count = (int) (count); \
long __sfu_res = -EFAULT; \
if(__access_ok(__sfu_src, __sfu_count)) { \
__sfu_res = __strncpy_from_user((unsigned long) (dest), __sfu_src, __sfu_count); \
} __sfu_res; })
extern int __strlen_user(const char *);
extern int __strnlen_user(const char *, long len);
extern __inline__ int strlen_user(const char *str)
static inline unsigned long __copy_to_user(void __user *to, void *from, unsigned long n)
{
return __copy_user((void *)to, from, n);
}
static inline unsigned long copy_from_user(void *to, void __user *from, unsigned long n)
{
if (n && __access_ok((unsigned long) from, n))
return __copy_user(to, (void *) from, n);
else
return n;
}
static inline unsigned long __copy_from_user(void *to, void __user *from, unsigned long n)
{
return __copy_user(to, (void *)from, n);
}
static inline unsigned long __clear_user(void __user *addr, unsigned long size)
{
unsigned long ret;
__asm__ __volatile__ (
".section __ex_table,#alloc\n\t"
".align 4\n\t"
".word 1f,3\n\t"
".previous\n\t"
"mov %2, %%o1\n"
"1:\n\t"
"call __bzero\n\t"
" mov %1, %%o0\n\t"
"mov %%o0, %0\n"
: "=r" (ret) : "r" (addr), "r" (size) :
"o0", "o1", "o2", "o3", "o4", "o5", "o7",
"g1", "g2", "g3", "g4", "g5", "g7", "cc");
return ret;
}
static inline unsigned long clear_user(void __user *addr, unsigned long n)
{
if (n && __access_ok((unsigned long) addr, n)) {
return __clear_user(addr, n);
else
return n;
}
extern long __strncpy_from_user(char *dest, const char __user *src, long count);
static inline long strncpy_from_user(char *dest, const char __user *src, long count)
{
if (__access_ok((unsigned long) src, count))
return __strncpy_from_user(dest, src, count);
else
return -EFAULT;
}
extern long __strlen_user(const char __user *);
extern long __strnlen_user(const char __user *, long len);
static inline long strlen_user(const char __user *str)
{
if(!access_ok(VERIFY_READ, str, 0))
if (!access_ok(VERIFY_READ, str, 0))
return 0;
else
return __strlen_user(str);
}
extern __inline__ int strnlen_user(const char *str, long len)
static inline long strnlen_user(const char __user *str, long len)
{
if(!access_ok(VERIFY_READ, str, 0))
if (!access_ok(VERIFY_READ, str, 0))
return 0;
else
return __strnlen_user(str, len);
......
include/asm-sparc64/signal.h
View file @ a0e3315d
......@@ -123,10 +123,10 @@ struct sigstack {
};
/* Sigvec flags */
#define SV_SSTACK 1 /* This signal handler should use sig-stack */
#define SV_INTR 2 /* Sig return should not restart system call */
#define SV_RESET 4 /* Set handler to SIG_DFL upon taken signal */
#define SV_IGNCHILD 8 /* Do not send SIGCHLD */
#define SV_SSTACK 1u /* This signal handler should use sig-stack */
#define SV_INTR 2u /* Sig return should not restart system call */
#define SV_RESET 4u /* Set handler to SIG_DFL upon taken signal */
#define SV_IGNCHILD 8u /* Do not send SIGCHLD */
/*
* sa_flags values: SA_STACK is not currently supported, but will allow the
......@@ -142,11 +142,11 @@ struct sigstack {
#define SA_ONSTACK SV_SSTACK
#define SA_RESTART SV_INTR
#define SA_ONESHOT SV_RESET
#define SA_INTERRUPT 0x10
#define SA_NOMASK 0x20
#define SA_SHIRQ 0x40
#define SA_NOCLDWAIT 0x100
#define SA_SIGINFO 0x200
#define SA_INTERRUPT 0x10u
#define SA_NOMASK 0x20u
#define SA_SHIRQ 0x40u
#define SA_NOCLDWAIT 0x100u
#define SA_SIGINFO 0x200u
#define SIG_BLOCK 0x01 /* for blocking signals */
......
include/asm-sparc64/uaccess.h
View file @ a0e3315d
......@@ -7,6 +7,7 @@
*/
#ifdef __KERNEL__
#include <linux/compiler.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <asm/a.out.h>
......@@ -52,7 +53,7 @@ do { \
#define __access_ok(addr,size) 1
#define access_ok(type,addr,size) 1
static inline int verify_area(int type, const void * addr, unsigned long size)
static inline int verify_area(int type, const void __user * addr, unsigned long size)
{
return 0;
}
......@@ -249,44 +250,34 @@ __asm__ __volatile__( \
extern int __get_user_bad(void);
extern __kernel_size_t __copy_from_user(void *to, const void *from,
__kernel_size_t size);
extern unsigned long __copy_from_user(void *to, const void __user *from,
unsigned long size);
extern __kernel_size_t __copy_to_user(void *to, const void *from,
__kernel_size_t size);
extern unsigned long __copy_to_user(void __user *to, const void *from,
unsigned long size);
extern __kernel_size_t __copy_in_user(void *to, const void *from,
__kernel_size_t size);
extern unsigned long __copy_in_user(void __user *to, const void __user *from,
unsigned long size);
#define copy_from_user(to,from,n) \
__copy_from_user((void *)(to), \
(void *)(from), (__kernel_size_t)(n))
#define copy_from_user __copy_from_user
#define copy_to_user __copy_to_user
#define copy_in_user __copy_in_user
#define copy_to_user(to,from,n) \
__copy_to_user((void *)(to), \
(void *) (from), (__kernel_size_t)(n))
#define copy_in_user(to,from,n) \
__copy_in_user((void *)(to), \
(void *) (from), (__kernel_size_t)(n))
static __inline__ __kernel_size_t __clear_user(void *addr, __kernel_size_t size)
static inline unsigned long __clear_user(void __user *addr, unsigned long size)
{
extern __kernel_size_t __bzero_noasi(void *addr, __kernel_size_t size);
extern unsigned long __bzero_noasi(void *addr, unsigned long size);
return __bzero_noasi(addr, size);
return __bzero_noasi((void *) addr, size);
}
#define clear_user(addr,n) \
__clear_user((void *)(addr), (__kernel_size_t)(n))
#define clear_user __clear_user
extern int __strncpy_from_user(unsigned long dest, unsigned long src, int count);
extern long __strncpy_from_user(char *dest, const char __user *src, long count);
#define strncpy_from_user(dest,src,count) \
__strncpy_from_user((unsigned long)(dest), (unsigned long)(src), (int)(count))
#define strncpy_from_user __strncpy_from_user
extern int __strlen_user(const char *);
extern int __strnlen_user(const char *, long len);
extern long __strlen_user(const char __user *);
extern long __strnlen_user(const char __user *, long len);
#define strlen_user __strlen_user
#define strnlen_user __strnlen_user
......
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