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Kernel sources reformated with 4 space indent, no tabs.

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Unused file include/trace.h deleted.
This commit is contained in:
Serge Vakulenko
2015-06-23 19:00:24 -07:00
parent d9b3b93176
commit d1f1e614f0
150 changed files with 20217 additions and 20382 deletions
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190
sys/kernel/sys_process.c
View File

@@ -17,40 +17,40 @@
void
ptrace()
{
register struct proc *p;
register struct a {
int req;
int pid;
int *addr;
int data;
} *uap;
register struct proc *p;
register struct a {
int req;
int pid;
int *addr;
int data;
} *uap;
uap = (struct a *)u.u_arg;
if (uap->req <= 0) {
u.u_procp->p_flag |= P_TRACED;
return;
}
p = pfind(uap->pid);
if (p == 0 || p->p_stat != SSTOP || p->p_ppid != u.u_procp->p_pid ||
!(p->p_flag & P_TRACED)) {
u.u_error = ESRCH;
return;
}
while (ipc.ip_lock)
sleep((caddr_t)&ipc, PZERO);
ipc.ip_lock = p->p_pid;
ipc.ip_data = uap->data;
ipc.ip_addr = uap->addr;
ipc.ip_req = uap->req;
p->p_flag &= ~P_WAITED;
setrun(p);
while (ipc.ip_req > 0)
sleep((caddr_t)&ipc, PZERO);
u.u_rval = ipc.ip_data;
if (ipc.ip_req < 0)
u.u_error = EIO;
ipc.ip_lock = 0;
wakeup((caddr_t)&ipc);
uap = (struct a *)u.u_arg;
if (uap->req <= 0) {
u.u_procp->p_flag |= P_TRACED;
return;
}
p = pfind(uap->pid);
if (p == 0 || p->p_stat != SSTOP || p->p_ppid != u.u_procp->p_pid ||
!(p->p_flag & P_TRACED)) {
u.u_error = ESRCH;
return;
}
while (ipc.ip_lock)
sleep((caddr_t)&ipc, PZERO);
ipc.ip_lock = p->p_pid;
ipc.ip_data = uap->data;
ipc.ip_addr = uap->addr;
ipc.ip_req = uap->req;
p->p_flag &= ~P_WAITED;
setrun(p);
while (ipc.ip_req > 0)
sleep((caddr_t)&ipc, PZERO);
u.u_rval = ipc.ip_data;
if (ipc.ip_req < 0)
u.u_error = EIO;
ipc.ip_lock = 0;
wakeup((caddr_t)&ipc);
}
/*
@@ -61,77 +61,77 @@ ptrace()
int
procxmt()
{
register int i, *p;
register int i, *p;
if (ipc.ip_lock != u.u_procp->p_pid)
return(0);
u.u_procp->p_slptime = 0;
i = ipc.ip_req;
ipc.ip_req = 0;
wakeup ((caddr_t)&ipc);
switch (i) {
if (ipc.ip_lock != u.u_procp->p_pid)
return(0);
u.u_procp->p_slptime = 0;
i = ipc.ip_req;
ipc.ip_req = 0;
wakeup ((caddr_t)&ipc);
switch (i) {
/* read user I */
case PT_READ_I:
/* read user I */
case PT_READ_I:
/* read user D */
case PT_READ_D:
if (baduaddr ((caddr_t) ipc.ip_addr))
goto error;
ipc.ip_data = *(int*) ipc.ip_addr;
break;
/* read user D */
case PT_READ_D:
if (baduaddr ((caddr_t) ipc.ip_addr))
goto error;
ipc.ip_data = *(int*) ipc.ip_addr;
break;
/* read u */
case PT_READ_U:
i = (int) ipc.ip_addr;
if (i < 0 || i >= USIZE)
goto error;
ipc.ip_data = ((unsigned*)&u) [i/sizeof(int)];
break;
/* read u */
case PT_READ_U:
i = (int) ipc.ip_addr;
if (i < 0 || i >= USIZE)
goto error;
ipc.ip_data = ((unsigned*)&u) [i/sizeof(int)];
break;
/* write user I */
case PT_WRITE_I:
/* write user D */
case PT_WRITE_D:
if (baduaddr ((caddr_t) ipc.ip_addr))
goto error;
*(int*) ipc.ip_addr = ipc.ip_data;
break;
/* write user I */
case PT_WRITE_I:
/* write user D */
case PT_WRITE_D:
if (baduaddr ((caddr_t) ipc.ip_addr))
goto error;
*(int*) ipc.ip_addr = ipc.ip_data;
break;
/* write u */
case PT_WRITE_U:
i = (int)ipc.ip_addr;
p = (int*)&u + i/sizeof(int);
for (i=0; i<FRAME_WORDS; i++)
if (p == &u.u_frame[i])
goto ok;
goto error;
/* write u */
case PT_WRITE_U:
i = (int)ipc.ip_addr;
p = (int*)&u + i/sizeof(int);
for (i=0; i<FRAME_WORDS; i++)
if (p == &u.u_frame[i])
goto ok;
goto error;
ok:
*p = ipc.ip_data;
break;
*p = ipc.ip_data;
break;
/* set signal and continue */
/* one version causes a trace-trap */
case PT_STEP:
/* Use Status.RP bit to indicate a single-step request. */
u.u_frame [FRAME_STATUS] |= ST_RP;
/* FALL THROUGH TO ... */
case PT_CONTINUE:
if ((int)ipc.ip_addr != 1)
u.u_frame [FRAME_PC] = (int)ipc.ip_addr;
if (ipc.ip_data > NSIG)
goto error;
u.u_procp->p_ptracesig = ipc.ip_data;
return(1);
/* set signal and continue */
/* one version causes a trace-trap */
case PT_STEP:
/* Use Status.RP bit to indicate a single-step request. */
u.u_frame [FRAME_STATUS] |= ST_RP;
/* FALL THROUGH TO ... */
case PT_CONTINUE:
if ((int)ipc.ip_addr != 1)
u.u_frame [FRAME_PC] = (int)ipc.ip_addr;
if (ipc.ip_data > NSIG)
goto error;
u.u_procp->p_ptracesig = ipc.ip_data;
return(1);
/* force exit */
case PT_KILL:
exit(u.u_procp->p_ptracesig);
/*NOTREACHED*/
/* force exit */
case PT_KILL:
exit(u.u_procp->p_ptracesig);
/*NOTREACHED*/
default:
default:
error:
ipc.ip_req = -1;
}
return(0);
ipc.ip_req = -1;
}
return(0);
}