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STATUS: 60% 

0000 T _signal		compatible
    0052 T _psignal		compatible
    00b6 T _issig		not compatible
    0186 T _stop		compatible
    0216 T _psig		compatible
    02d4 T _fsig		compatible
    031e T _core		not compatible
    0512 T _grow		not compatible
    0640 T _ptrace		not compatible
    075c T _procxmt		compatible
This commit is contained in:
Oliver Lehmann 2008-05-31 00:28:34 +00:00
parent 19229ad211
commit 0096953190
1 changed files with 44 additions and 29 deletions
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69
WEGA/src/uts/sys/sig.c
View File

@ -49,7 +49,7 @@ struct
{
int ip_lock;
int ip_req;
int *ip_addr;
saddr_t ip_addr;
int ip_data;
} ipc;
@ -120,7 +120,7 @@ issig()
freeproc(q, 0) ;
}
} else
if (u.u_signal[SIGCLD-1])
if (u.u_signal[SIGCLD-1]) /* this is not compatible - r3 gets checked, not rr2 which is what u.u_signal is in */
return(n) ;
} else
if((u.u_signal[n-1]&1) == 0 || (p->p_flag&STRC))
@ -341,7 +341,7 @@ ptrace()
register struct a {
int req;
int pid;
int *addr;
saddr_t addr;
int data;
} *uap;
@ -363,7 +363,7 @@ ptrace()
sleep((caddr_t)&ipc, IPCPRI);
ipc.ip_lock = p->p_pid;
ipc.ip_data = uap->data;
ipc.ip_addr = uap->addr;
ipc.ip_addr.l = uap->addr.left&0x7f00;
ipc.ip_req = uap->req;
p->p_flag &= ~SWTED;
setrun(p);
@ -376,9 +376,6 @@ ptrace()
wakeup((caddr_t)&ipc);
}
/*
int ipcreg[] = {R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, AP, FP, SP, PC};
*/
/*
* Code that the child process
* executes to implement the command
@ -389,30 +386,36 @@ procxmt()
register int i;
register *p;
register struct text *xp;
int foo1, foo2;
if (ipc.ip_lock != u.u_procp->p_pid)
return(0);
i = ipc.ip_req;
ipc.ip_req = 0;
wakeup((caddr_t)&ipc);
if(!u.u_segmented)
ipc.ip_addr.left = nsseg(ipc.ip_addr.right);
switch (i) {
/* read user I */
case 1:
ipc.ip_data = fuiword((caddr_t)ipc.ip_addr);
if(!u.u_segmented) {
if(fuiword(ipc.ip_addr.right,&ipc.ip_data))
goto error;
break;
}
/* read user D */
case 2:
ipc.ip_data = fuword((caddr_t)ipc.ip_addr);
if(fuword(ipc.ip_addr.l,&ipc.ip_data))
goto error;
break;
/* read u */
case 3:
i = (int)ipc.ip_addr;
i = (int)ipc.ip_addr.right;
if (i<0 || i >= ctob(USIZE))
goto error;
ipc.ip_data = ((physadr)&u)->r[i>>2];
ipc.ip_data = (long)((physadr)&u)->r[i>>1];
break;
/* write user I */
@ -426,33 +429,42 @@ procxmt()
goto error;
xp->x_iptr->i_flag &= ~ITEXT;
}
chgprot(RW, 0, 0);
i = suiword((caddr_t)ipc.ip_addr, 0);
suiword((caddr_t)ipc.ip_addr, ipc.ip_data);
chgprot(RO, 0, 0);
if (i<0)
if(u.u_segmented) {
if (u.u_sep)
ldsdr(hibyte(ipc.ip_addr.l),-1,-1,0);
if(suword(ipc.ip_addr.l,ipc.ip_data))
goto error;
if (u.u_sep)
ldsdr(hibyte(ipc.ip_addr.l),-1,-1,1);
} else {
estabur(u.u_tsize,u.u_dsize,u.u_ssize,0);
if(suiword(ipc.ip_addr.right,ipc.ip_data))
goto error;
estabur(u.u_tsize,u.u_dsize,u.u_ssize,1);
}
if (xp)
xp->x_flag |= XWRIT;
break;
/* write user D */
case 5:
if (suword((caddr_t)ipc.ip_addr, 0) < 0)
if (suword((caddr_t)ipc.ip_addr.l, ipc.ip_data))
goto error;
suword((caddr_t)ipc.ip_addr, ipc.ip_data);
break;
/* write u */
case 6:
i = (int)ipc.ip_addr;
p = (int *)&((physadr)&u)->r[i>>2];
for (i=0; i<16; i++)
i = (int)ipc.ip_addr.right;
p = (int *)&((physadr)&u)->r[i>>1];
for (i=0; i<15; i++)
if (p == &u.u_state->s_reg[i])
goto ok;
if (p == &u.u_state->s_sp)
goto ok;
if (p == &u.u_state->s_pc)
goto ok;
if (p == &u.u_state->s_ps) {
ipc.ip_data |= 0x3c00000; /* modes == user */
ipc.ip_data &= ~0x3c20ff00; /* IS, FPD, ... */
ipc.ip_data = (ipc.ip_data&0x00ff)|(u.u_state->s_ps&0xff00);
goto ok;
}
goto error;
@ -464,10 +476,13 @@ procxmt()
/* set signal and continue */
/* one version causes a trace-trap */
case 9:
u.u_state->s_ps |= 0x10/*PS_T*/;
u.u_state->s_ps |= TBIT/*PS_T*/;
case 7:
if ((int)ipc.ip_addr != 1)
u.u_state->s_pc = (int)ipc.ip_addr;
if ((int)ipc.ip_addr.right != 1) {
if(u.u_segmented)
u.u_state->s_pcseg = (int)ipc.ip_addr.left;
u.u_state->s_pc = (int)ipc.ip_addr.right;
}
u.u_procp->p_sig = 0L;
if (ipc.ip_data)
psignal(u.u_procp, ipc.ip_data);