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-rw-r--r--c/src/librdbg/src/servtgt.c708
1 files changed, 366 insertions, 342 deletions
diff --git a/c/src/librdbg/src/servtgt.c b/c/src/librdbg/src/servtgt.c
index de41abc1a6..4e96f14916 100644
--- a/c/src/librdbg/src/servtgt.c
+++ b/c/src/librdbg/src/servtgt.c
@@ -9,12 +9,11 @@
**************************************************************************
*/
-
#include <string.h>
#include <sys/errno.h>
-#include <rdbg/rdbg.h>
-#include <rdbg/servrpc.h>
-#include <sys/socket.h>
+#include <rdbg/rdbg.h>
+#include <rdbg/servrpc.h>
+#include <sys/socket.h>
#include <assert.h>
#ifdef DDEBUG
@@ -23,229 +22,234 @@
#define Ptrace TgtRealPtrace
#endif
-/* ----------------------------------------------------------------
- TgtBreakRestoreOrig - Restore original instruction at "addr"
- just before single-stepping it.
- ---------------------------------------------------------------- */
+/*
+ * TgtBreakRestoreOrig - Restore original instruction at "addr"
+ * just before single-stepping it.
+ */
-int TgtBreakRestoreOrig (int pid, void *addr, void *addr2)
- /* Process identifier */
- /* Breakpoint address */
- /* Original instruction or bkpt number */
+ int
+TgtBreakRestoreOrig (int pid, void *addr, void *addr2)
+ /*
+ * Process identifier
+ */
+ /*
+ * Breakpoint address
+ */
+ /*
+ * Original instruction or bkpt number
+ */
{
int ret;
int l;
-
- l = (long)Ptrace(RPT_PEEKTEXT, pid, addr, 0, NULL); /* assume ok */
- ret = ORG_BREAK (l, (UINT32) addr2); /* reconstruct old instr */
- ret = Ptrace(RPT_POKETEXT, pid, addr, ret, NULL); /* poke back old */
+
+ l = (long) Ptrace (RPT_PEEKTEXT, pid, addr, 0, NULL); /* assume ok */
+ ret = ORG_BREAK (l, (UINT32) addr2); /* reconstruct old instr */
+ ret = Ptrace (RPT_POKETEXT, pid, addr, ret, NULL); /* poke back old */
return ret;
}
-/* -----------------------------------------------------------------------
- TgtBreakCancelStep - Restore the breakpoint at "addr" if the single-step
- has failed at the ptrace level.
- ----------------------------------------------------------------------- */
+/*
+ *
+ * TgtBreakCancelStep - Restore the breakpoint at "addr" if the single-step
+ * has failed at the ptrace level.
+ */
#define BKPT0(plst) ((BASE_BREAK*)(plst)->break_list)
-void TgtBreakCancelStep (PID_LIST* plst)
+ void
+TgtBreakCancelStep (PID_LIST * plst)
{
assert (plst->break_list);
assert (BKPT0 (plst)->clr_step);
- if (plst->break_list && BKPT0 (plst)->clr_step) {
+ if (plst->break_list && BKPT0 (plst)->clr_step) {
int idx = BKPT0 (plst)->last_break;
int data;
data = Ptrace (RPT_PEEKTEXT, plst->pid,
- (char *)plst->break_list [idx].ee_loc, 0, NULL);
- assert (! IS_BREAK (data));
+ (char *) plst->break_list[idx].ee_loc, 0, NULL);
+ assert (!IS_BREAK (data));
Ptrace (RPT_POKETEXT, plst->pid,
- (char *)plst->break_list[idx].ee_loc,
- (int) SET_BREAK (data), NULL);
+ (char *) plst->break_list[idx].ee_loc,
+ (int) SET_BREAK (data), NULL);
}
}
-/* -----------------------------------------------------------------------
- TgtCreateNew - add a new process into the process management lists.
- ----------------------------------------------------------------------- */
+/*
+ * TgtCreateNew - add a new process into the process management lists.
+ */
- void
-TgtCreateNew(PID pid, int conn, INT32 child, char *name, Boolean spawn)
+ void
+TgtCreateNew (PID pid, int conn, INT32 child, char *name, Boolean spawn)
{
- int idx;
+ int idx;
for (idx = 0; idx < pid_list_cnt; idx++)
if (!pid_list[idx].pid)
- break; /* find empty */
+ break; /* find empty */
- if (idx >= pid_list_cnt)
- { /* no empties, add more */
- PID_LIST *tmp_pid_list = pid_list;
+ if (idx >= pid_list_cnt) { /* no empties, add more */
+ PID_LIST *tmp_pid_list = pid_list;
pid_list_cnt += PID_LIST_INC;
- pid_list = (PID_LIST*) Realloc(pid_list, /* get new or extend */
- pid_list_cnt * sizeof(PID_LIST));
- if (!pid_list)
- { /* out of memory */
+ pid_list = (PID_LIST *) Realloc (pid_list, /* get new or extend */
+ pid_list_cnt * sizeof (PID_LIST));
+ if (!pid_list) { /* out of memory */
pid_list_cnt -= PID_LIST_INC;
- if (pid_list_cnt)
- { /* realloc failed - malloc again */
- pid_list = tmp_pid_list;
- /* above relies on old pointer being valid after failed realloc */
+ if (pid_list_cnt) { /* realloc failed - malloc again */
+ pid_list = tmp_pid_list;
+ /*
+ * above relies on old pointer being valid after failed realloc
+ */
}
- return; /* failed */
+ return; /* failed */
}
- /* now clear newly added space */
- memset(pid_list+pid_list_cnt-PID_LIST_INC, 0,
- PID_LIST_INC * sizeof(PID_LIST));
+ /*
+ * now clear newly added space
+ */
+ memset (pid_list + pid_list_cnt - PID_LIST_INC, 0,
+ PID_LIST_INC * sizeof (PID_LIST));
idx = pid_list_cnt - PID_LIST_INC;
- }
- else /* clear entry we found */
- memset(&pid_list[idx], 0, sizeof(PID_LIST));
+ } else /* clear entry we found */
+ memset (&pid_list[idx], 0, sizeof (PID_LIST));
- /* now fill in empty entry */
+ /*
+ * now fill in empty entry
+ */
pid_list[idx].pid = pid;
- pid_list[idx].running = 1; /* we have not called wait yet */
- pid_list[idx].primary_conn = (UCHAR)conn; /* primary owner */
- if (conn != -1)
- { /* found caller */
+ pid_list[idx].running = 1; /* we have not called wait yet */
+ pid_list[idx].primary_conn = (UCHAR) conn; /* primary owner */
+ if (conn != -1) { /* found caller */
pid_list[idx].owners = 1;
- PIDMAP_SET (conn, idx); /* mask in */
+ PIDMAP_SET (conn, idx); /* mask in */
}
- pid_list[idx].thread = (UINT32)-1; /* no thread for now */
- pid_list[idx].last_start = LAST_START; /* handle MiX bug */
+ pid_list[idx].thread = (UINT32) - 1; /* no thread for now */
+ pid_list[idx].last_start = LAST_START; /* handle MiX bug */
- pid_list[idx].name = name ? (char *)StrDup(name) : (char *)NULL;
+ pid_list[idx].name = name ? (char *) StrDup (name) : (char *) NULL;
}
-/* -----------------------------------------------------------------------
- TgtNotifyWaitChange - send event to clients indicating child changed state.
- ----------------------------------------------------------------------- */
+/*
+ * TgtNotifyWaitChange - send event to clients indicating child changed state.
+ */
- void
-TgtNotifyWaitChange( PID pid, int status, Boolean exclude)
+ void
+TgtNotifyWaitChange (PID pid, int status, Boolean exclude)
{
- int conn, idx;
-
- idx = FindPidEntry (pid); /* locate the pid that changed */
- if (idx < 0)
- {
- DPRINTF(("TgtNotifyWaitChange: pid %d not in our list\n",
- (int) pid));
- return; /* not in our list */
+ int conn, idx;
+
+ idx = FindPidEntry (pid); /* locate the pid that changed */
+ if (idx < 0) {
+ DPRINTF (("TgtNotifyWaitChange: pid %d not in our list\n", (int) pid));
+ return; /* not in our list */
}
- pid_list[idx].running = 0; /* not running */
- pid_list[idx].state = status; /* save status of stop/term */
- if (!pid_list[idx].owners && !STS_SIGNALLED(status))
- TgtDelete(&pid_list[idx], -1, 0); /* terminated and no owners */
- else
- { /* normal cases */
- for (conn = 0; conn < conn_list_cnt; conn++)
- { /* now find all interested clients */
- if (!conn_list[conn].in_use /* free entry */
- || ! PIDMAP_TEST (conn, idx))
- continue; /* not using this pid */
+ pid_list[idx].running = 0; /* not running */
+ pid_list[idx].state = status; /* save status of stop/term */
+ if (!pid_list[idx].owners && !STS_SIGNALLED (status))
+ TgtDelete (&pid_list[idx], -1, 0); /* terminated and no owners */
+ else { /* normal cases */
+ for (conn = 0; conn < conn_list_cnt; conn++) { /* now find all interested clients */
+ if (!conn_list[conn].in_use /* free entry */
+ || !PIDMAP_TEST (conn, idx))
+ continue; /* not using this pid */
if (conn == exclude)
- continue; /* do not do this one */
- TspSendWaitChange(conn, BMSG_WAIT, 1, pid, 0, False);/* notify of change */
+ continue; /* do not do this one */
+ TspSendWaitChange (conn, BMSG_WAIT, 1, pid, 0, False); /* notify of change */
}
}
}
-/* -----------------------------------------------------------------------
- TgtNotifyAll - send a message to all clients interested in process.
- ----------------------------------------------------------------------- */
+/*
+ * TgtNotifyAll - send a message to all clients interested in process.
+ */
- void
- TgtNotifyAll( int pid_idx, BACK_MSG msg, UINT16 spec,
- UINT32 context, int exclude, Boolean force)
+ void
+TgtNotifyAll (int pid_idx, BACK_MSG msg, UINT16 spec,
+ UINT32 context, int exclude, Boolean force)
{
- int conn;
+ int conn;
- DPRINTF(("TgtNotifyAll: msg %d (%s) for pid_idx=%d (%d,%d)\n",
- msg, BmsgNames [msg], pid_idx, exclude, force));
+ DPRINTF (("TgtNotifyAll: msg %d (%s) for pid_idx=%d (%d,%d)\n",
+ msg, BmsgNames[msg], pid_idx, exclude, force));
for (conn = 0; conn < conn_list_cnt; conn++)
- if (conn_list[conn].in_use /* not free */
- && PIDMAP_TEST (conn, pid_idx))
- {
+ if (conn_list[conn].in_use /* not free */
+ && PIDMAP_TEST (conn, pid_idx)) {
if (conn != exclude)
- TspSendWaitChange(conn, msg, spec, pid_list[pid_idx].pid, context,
- force);
+ TspSendWaitChange (conn, msg, spec, pid_list[pid_idx].pid, context,
+ force);
}
}
-/* -----------------------------------------------------------------------
- TgtDelete - mark process as now uncontrolled.
-
- Notes:
- - this function removes a process from the process list.
- - the notify argument indicates a message to send if needed.
- ----------------------------------------------------------------------- */
+/*
+ * TgtDelete - mark process as now uncontrolled.
+ *
+ * Notes:
+ * - this function removes a process from the process list.
+ * - the notify argument indicates a message to send if needed.
+ */
-void TgtDelete(PID_LIST *plst, int conn_idx, BACK_MSG notify)
+ void
+TgtDelete (PID_LIST * plst, int conn_idx, BACK_MSG notify)
{
- int idx = plst - pid_list, cnt, conn;
+ int idx = plst - pid_list, cnt, conn;
- /* found */
+ /*
+ * found
+ */
cnt = pid_list[idx].owners;
- if (cnt)
- { /* some connections to break */
+ if (cnt) { /* some connections to break */
for (conn = 0; cnt && conn < conn_list_cnt; conn++)
- if (conn_list[conn].in_use /* not free */
- && PIDMAP_TEST (conn, idx))
- { /* found one that uses it */
- PIDMAP_CLEAR (conn, idx);
- if (notify && conn != conn_idx)
- TspSendWaitChange(conn, notify, 0, plst->pid, 0, True);
- if (!--cnt)
- break;
+ if (conn_list[conn].in_use /* not free */
+ && PIDMAP_TEST (conn, idx)) { /* found one that uses it */
+ PIDMAP_CLEAR (conn, idx);
+ if (notify && conn != conn_idx)
+ TspSendWaitChange (conn, notify, 0, plst->pid, 0, True);
+ if (!--cnt)
+ break;
}
}
if (pid_list[idx].name)
- Free(pid_list[idx].name); /* free string name back */
- /* Free breakpoint list */
- if (pid_list [idx].break_list != NULL) {
- Free (pid_list [idx].break_list);
+ Free (pid_list[idx].name); /* free string name back */
+ /*
+ * Free breakpoint list
+ */
+ if (pid_list[idx].break_list != NULL) {
+ Free (pid_list[idx].break_list);
}
- pid_list[idx].pid = 0; /* gone */
+ pid_list[idx].pid = 0; /* gone */
}
+/*
+ * TgtKillAndDelete - kill or detach process and remove entry.
+ */
-/* -----------------------------------------------------------------------
- TgtKillAndDelete - kill or detach process and remove entry.
- ----------------------------------------------------------------------- */
-
- int
-TgtKillAndDelete( PID_LIST *plst, struct svc_req *rqstp, Boolean term)
+ int
+TgtKillAndDelete (PID_LIST * plst, struct svc_req *rqstp, Boolean term)
{
- ptrace_in pin; /* used for ptrace call */
- ptrace_out *pout;
+ ptrace_in pin; /* used for ptrace call */
+ ptrace_out *pout;
- /* Remove breakpoints */
+ /*
+ * Remove breakpoints
+ */
if (plst->break_alloc > 0) {
pin.pid = plst->pid;
pin.addr.req = RPT_CLRBREAK;
- pin.data = 0; /* clear all */
+ pin.data = 0; /* clear all */
pin.flags = PTRFLG_NON_OWNER;
- pout = RPCGENSRVNAME(ptrace_2_svc) (&pin, rqstp);
+ pout = RPCGENSRVNAME (ptrace_2_svc) (&pin, rqstp);
if (pout->result < 0) {
- DPRINTF (("TgtKillAndDelete: RPT_CLRBREAK failed %d\n",
- getErrno()));
+ DPRINTF (("TgtKillAndDelete: RPT_CLRBREAK failed %d\n", getErrno ()));
return -1;
}
}
- if (term)
- { /* kill */
+ if (term) { /* kill */
pin.addr.ptrace_addr_data_in_u.address = 0;
- pin.data = -1; /* Don't want notification from slave */
+ pin.data = -1; /* Don't want notification from slave */
pin.addr.req = RPT_KILL;
- }
- else
- { /* detach */
+ } else { /* detach */
pin.addr.ptrace_addr_data_in_u.address = 1;
pin.data = 0;
pin.addr.req = RPT_DETACH;
@@ -254,26 +258,24 @@ TgtKillAndDelete( PID_LIST *plst, struct svc_req *rqstp, Boolean term)
pin.flags = PTRFLG_FREE | PTRFLG_NON_OWNER;
DPRINTF (("TgtKillAndDelete: ptrace_2_svc (%s (%d), %d)\n",
- PtraceName (pin.addr.req), pin.addr.req, pin.pid));
+ PtraceName (pin.addr.req), pin.addr.req, pin.pid));
- pout = RPCGENSRVNAME(ptrace_2_svc) (&pin, rqstp);/* start it */
+ pout = RPCGENSRVNAME (ptrace_2_svc) (&pin, rqstp); /* start it */
if (pout->errNo == ESRCH && plst->pid)
- TgtDelete(plst, -1, BMSG_KILLED); /* only entry remains */
+ TgtDelete (plst, -1, BMSG_KILLED); /* only entry remains */
return 0;
}
-/* -----------------------------------------------------------------------
- TgtDetachCon - detach a connection's ownership of a process.
- ----------------------------------------------------------------------- */
+/*
+ * TgtDetachCon - detach a connection's ownership of a process.
+ */
- void
-TgtDetachCon( int conn_idx, int pid_idx, Boolean delete)
+ void
+TgtDetachCon (int conn_idx, int pid_idx, Boolean delete)
{
- if ((unsigned) pid_idx >= pid_list_cnt
- || !pid_list[pid_idx].pid)
- return; /* not valid */
- if (PIDMAP_TEST (conn_idx, pid_idx))
- { /* if an owner, release control */
+ if ((unsigned) pid_idx >= pid_list_cnt || !pid_list[pid_idx].pid)
+ return; /* not valid */
+ if (PIDMAP_TEST (conn_idx, pid_idx)) { /* if an owner, release control */
PIDMAP_CLEAR (conn_idx, pid_idx);
if (pid_list[pid_idx].owners)
@@ -281,9 +283,8 @@ TgtDetachCon( int conn_idx, int pid_idx, Boolean delete)
if (pid_list[pid_idx].primary_conn == conn_idx)
pid_list[pid_idx].primary_conn = NO_PRIMARY;
if (delete
- && !pid_list[pid_idx].owners
- && PROC_TERMINATED (pid_list + pid_idx))
- TgtDelete(&pid_list[pid_idx], -1, 0); /* remove entry */
+ && !pid_list[pid_idx].owners && PROC_TERMINATED (pid_list + pid_idx))
+ TgtDelete (&pid_list[pid_idx], -1, 0); /* remove entry */
}
}
@@ -293,231 +294,254 @@ TgtDetachCon( int conn_idx, int pid_idx, Boolean delete)
----------------------------------------------------------------------- */
#ifdef DDEBUG
-static char* LastStartNames[] = {
+static char *LastStartNames[] = {
"NONE", "STEP", "CONT", "RANGE",
"STEPOFF", "KILLED", "DETACHED"
};
-char* GetLastStartName (int last_start)
+ char *
+GetLastStartName (int last_start)
{
- static char buf [32];
+ static char buf[32];
- strcpy (buf, LastStartNames [last_start & ~LAST_START]);
- if (last_start & LAST_START) {
- strcat (buf, "+START");
- }
- return buf;
+ strcpy (buf, LastStartNames[last_start & ~LAST_START]);
+ if (last_start & LAST_START) {
+ strcat (buf, "+START");
+ }
+ return buf;
}
#endif
-Boolean TgtHandleChildChange(PID pid, int* status, int *unexp,
- CPU_Exception_frame* ctx)
-{ /* return False if continue, else stop */
- int idx, sig;
- int bidx = 0;
- PID_LIST *plst;
- unsigned long PC;
- BASE_BREAK *base = NULL; /* break_list[0] is really BASE_BREAK */
- int hadStepEmul;
- int origHadStepEmul;
- int stopWanted;
+ Boolean
+TgtHandleChildChange (PID pid, int *status, int *unexp,
+ CPU_Exception_frame * ctx)
+{ /* return False if continue, else stop */
+ int idx, sig;
+ int bidx = 0;
+ PID_LIST *plst;
+ unsigned long PC;
+ BASE_BREAK *base = NULL; /* break_list[0] is really BASE_BREAK */
+ int hadStepEmul;
+ int origHadStepEmul;
+ int stopWanted;
DPRINTF (("TgtHandleChildChange: pid %d status %x cap\n",
- (int) pid, *status));
+ (int) pid, *status));
if (unexp)
- *unexp = 0; /* initialize to ok */
+ *unexp = 0; /* initialize to ok */
- /* first, find pid in question */
+ /*
+ * first, find pid in question
+ */
idx = FindPidEntry (pid);
- if (idx < 0)
- { /* cannot locate this process */
+ if (idx < 0) { /* cannot locate this process */
DPRINTF (("TgtHandleChildChange: unknown process (%s pid)\n",
- FindPidEntry (pid) >= 0 ? "stale" : "unknown"));
+ FindPidEntry (pid) >= 0 ? "stale" : "unknown"));
if (unexp)
- *unexp = 1; /* Unexpected change */
- return(False); /* unknown: ignore (used to stop and notify) */
+ *unexp = 1; /* Unexpected change */
+ return (False); /* unknown: ignore (used to stop and notify) */
}
- /* found */
- plst = &pid_list[idx]; /* pointer to entry */
- /* first we see if just stopped */
+ /*
+ * found
+ */
+ plst = &pid_list[idx]; /* pointer to entry */
+ /*
+ * first we see if just stopped
+ */
- /* copy ctxt */
- CtxToRegs(ctx, &(plst->regs));
+ /*
+ * copy ctxt
+ */
+ CtxToRegs (ctx, &(plst->regs));
stopWanted = plst->stop_wanted;
- plst->stop_wanted = 0; /* For the next time */
+ plst->stop_wanted = 0; /* For the next time */
hadStepEmul = BreakClear (plst, -1, -1) > 0;
- origHadStepEmul = hadStepEmul; /* hadStepEmul is cleared if real bkpt met */
+ origHadStepEmul = hadStepEmul; /* hadStepEmul is cleared if real bkpt met */
- if (STS_SIGNALLED (*status))
- { /* stopped, not terminated */
- sig = STS_GETSIG (*status); /* signal that stopped us */
+ if (STS_SIGNALLED (*status)) { /* stopped, not terminated */
+ sig = STS_GETSIG (*status); /* signal that stopped us */
- /* now, we read the registers and see what to do next */
- if (TgtPtrace(RPT_GETREGS, pid, (void *)&plst->regs, 0, NULL) < 0) {
- memset (&plst->regs, 0, sizeof plst->regs);
+ /*
+ * now, we read the registers and see what to do next
+ */
+ if (TgtPtrace (RPT_GETREGS, pid, (void *) &plst->regs, 0, NULL) < 0) {
+ memset (&plst->regs, 0, sizeof (plst->regs));
}
- /* Get current thread */
- plst->thread = TgtPtrace(RPT_GETTARGETTHREAD, pid, NULL, 0, NULL);
+ /*
+ * Get current thread
+ */
+ plst->thread = TgtPtrace (RPT_GETTARGETTHREAD, pid, NULL, 0, NULL);
- if (sig == SIGTRAP)
- { /* stopped from break/step */
+ if (sig == SIGTRAP) { /* stopped from break/step */
PC = plst->regs.REG_PC;
- /* Must check PC to see whether in situations where we had
- step emulation we are on a breakpoint or just
- have returned from an emulated single-step */
- if (BreakIdentify (plst, 0 /*no adjust*/, -1 /*no thread*/) > 0) {
- hadStepEmul = 0;
+ /*
+ * Must check PC to see whether in situations where we had
+ * step emulation we are on a breakpoint or just
+ * have returned from an emulated single-step
+ */
+ if (BreakIdentify (plst, 0 /*no adjust */ , -1 /*no thread */ ) > 0) {
+ hadStepEmul = 0;
}
- plst->is_step = hadStepEmul || IS_STEP(plst->regs)
- || plst->last_start == LAST_START;
+ plst->is_step = hadStepEmul || IS_STEP (plst->regs)
+ || plst->last_start == LAST_START;
DPRINTF (("TgtHandleChildChange: %s last_start %s\n", plst->is_step
- ? "step": "break", GetLastStartName (plst->last_start)));
+ ? "step" : "break", GetLastStartName (plst->last_start)));
if ((plst->is_step || origHadStepEmul || stopWanted)
- && (plst->last_start == LAST_STEP
- || plst->last_start == LAST_STEPOFF
- || plst->last_start == LAST_RANGE))
- {
- DPRINTF (("TgtHandleChildChange: restoring stepped-off bkpt\n"));
- BreakSteppedOff (plst);
+ && (plst->last_start == LAST_STEP
+ || plst->last_start == LAST_STEPOFF
+ || plst->last_start == LAST_RANGE)) {
+ DPRINTF (("TgtHandleChildChange: restoring stepped-off bkpt\n"));
+ BreakSteppedOff (plst);
}
- if (plst->last_start == LAST_STEPOFF && (plst->is_step||origHadStepEmul))
- { /* stepped off break and now need cont */
- DPRINTF (("TgtHandleChildChange: auto-resuming after step-off\n"));
- plst->last_start = LAST_CONT; /* convert to normal cont */
- if (!stopWanted) {
- if (TgtPtrace(RPT_CONT, pid, (char *)1, 0, NULL))
- return True; /* tell people */
- return(False); /* wait for change */
- }
- DPRINTF (("TgtHandleChildChange: stop_wanted %d in step-off\n",
- stopWanted));
- *status = STS_MAKESIG (stopWanted);
- return True; /* Stop and notify */
+ if (plst->last_start == LAST_STEPOFF && (plst->is_step || origHadStepEmul)) { /* stepped off break and now need cont */
+ DPRINTF (("TgtHandleChildChange: auto-resuming after step-off\n"));
+ plst->last_start = LAST_CONT; /* convert to normal cont */
+ if (!stopWanted) {
+ if (TgtPtrace (RPT_CONT, pid, (char *) 1, 0, NULL))
+ return True; /* tell people */
+ return (False); /* wait for change */
+ }
+ DPRINTF (("TgtHandleChildChange: stop_wanted %d in step-off\n",
+ stopWanted));
+ *status = STS_MAKESIG (stopWanted);
+ return True; /* Stop and notify */
}
- base = plst->break_list ? ((BASE_BREAK*)plst->break_list) :
- ((BASE_BREAK*)NULL);
- /* now see if step in range */
-
- if (plst->last_start == LAST_RANGE /* step in range */
- && (plst->is_step || origHadStepEmul) /* not a breakpoint */
- && PC >= base->range_start
- && PC <= base->range_end)
- { /* still in range, keep going */
- if (stopWanted) {
- DPRINTF (("TgtHandleChildChange: stop_wanted %d in step-range\n",
- stopWanted));
- } else {
- DPRINTF (("TgtHandleChildChange: Reservation at %x\n",
- plst->regs.REG_PC));
- }
+ base = plst->break_list ? ((BASE_BREAK *) plst->break_list) :
+ ((BASE_BREAK *) NULL);
+ /*
+ * now see if step in range
+ */
+
+ if (plst->last_start == LAST_RANGE /* step in range */
+ && (plst->is_step || origHadStepEmul) /* not a breakpoint */
+ &&PC >= base->range_start && PC <= base->range_end) { /* still in range, keep going */
+ if (stopWanted) {
+ DPRINTF (("TgtHandleChildChange: stop_wanted %d in step-range\n",
+ stopWanted));
+ } else {
+ DPRINTF (("TgtHandleChildChange: Reservation at %x\n",
+ plst->regs.REG_PC));
+ }
}
- if (!plst->is_step) /* was break */
- {
- bidx = BreakIdentify (plst, 1 /*adjust*/, plst->thread);
- if (bidx == 0) {
- DPRINTF (("TgtHandleChildChange: forwarding bkpt to kernel\n"));
- if (unexp) {
- *unexp = 1;
- }
- return False;
- }
- if (bidx < 0) { /* Unwanted breakpoint, must step it off */
- ptrace_in pin;
- ptrace_out* out;
- if (origHadStepEmul)
- {
- DPRINTF (("TgtHandleChildChange: bkpt %x becomes step\n",
- plst->regs.REG_PC));
- bidx = -bidx;
- plst->is_step = 1;
- base->clr_step = plst->break_list [bidx].type == BRKT_INSTR;
- base->last_break = bidx;
- return True;
- }
- if (stopWanted) {
- DPRINTF (("TgtHandleChildChange: stop_wanted %d at bkpt %x\n",
- stopWanted, plst->regs.REG_PC));
- /* The PC has already been adjusted by BreakIdentify */
- *status = STS_MAKESIG (stopWanted);
- return True;
- }
- /* All the handling is done in ptrace_2_svc() so call it */
- bidx = -bidx;
- DPRINTF (("TgtHandleChildChange: last %d (%s) restarting bkpt %d\n",
- plst->last_start, GetLastStartName (plst->last_start), bidx));
- base->clr_step = 1;
- base->last_break = bidx; /* remember which one */
- plst->running = 0; /* So that ptrace is accepted */
- pin.pid = plst->pid;
-
- if (plst->last_start == LAST_STEP) {
- pin.addr.req = RPT_SINGLESTEP;
- } else {
- pin.addr.req = RPT_CONT;
- }
- pin.addr.ptrace_addr_data_in_u.address = 1;
- pin.data = 0;
- pin.flags = PTRFLG_NON_OWNER;
- out = RPCGENSRVNAME(ptrace_2_svc) (&pin, NULL);
- if (out->result == 0) return False; /* Continue waiting */
- DPRINTF(("TgtHandleChildChange: failed to restart bkpt!\n"));
- /* If something went wrong, just stop on breakpoint */
- }
+ if (!plst->is_step) { /* was break */
+ bidx = BreakIdentify (plst, 1 /*adjust */ , plst->thread);
+ if (bidx == 0) {
+ DPRINTF (("TgtHandleChildChange: forwarding bkpt to kernel\n"));
+ if (unexp) {
+ *unexp = 1;
+ }
+ return False;
+ }
+ if (bidx < 0) { /* Unwanted breakpoint, must step it off */
+ ptrace_in pin;
+ ptrace_out *out;
+ if (origHadStepEmul) {
+ DPRINTF (("TgtHandleChildChange: bkpt %x becomes step\n",
+ plst->regs.REG_PC));
+ bidx = -bidx;
+ plst->is_step = 1;
+ base->clr_step = plst->break_list[bidx].type == BRKT_INSTR;
+ base->last_break = bidx;
+ return True;
+ }
+ if (stopWanted) {
+ DPRINTF (("TgtHandleChildChange: stop_wanted %d at bkpt %x\n",
+ stopWanted, plst->regs.REG_PC));
+ /*
+ * The PC has already been adjusted by BreakIdentify
+ */
+ *status = STS_MAKESIG (stopWanted);
+ return True;
+ }
+ /*
+ * All the handling is done in ptrace_2_svc() so call it
+ */
+ bidx = -bidx;
+ DPRINTF (("TgtHandleChildChange: last %d (%s) restarting bkpt %d\n",
+ plst->last_start, GetLastStartName (plst->last_start),
+ bidx));
+ base->clr_step = 1;
+ base->last_break = bidx; /* remember which one */
+ plst->running = 0; /* So that ptrace is accepted */
+ pin.pid = plst->pid;
+
+ if (plst->last_start == LAST_STEP) {
+ pin.addr.req = RPT_SINGLESTEP;
+ } else {
+ pin.addr.req = RPT_CONT;
+ }
+ pin.addr.ptrace_addr_data_in_u.address = 1;
+ pin.data = 0;
+ pin.flags = PTRFLG_NON_OWNER;
+ out = RPCGENSRVNAME (ptrace_2_svc) (&pin, NULL);
+ if (out->result == 0)
+ return False; /* Continue waiting */
+ DPRINTF (("TgtHandleChildChange: failed to restart bkpt!\n"));
+ /*
+ * If something went wrong, just stop on breakpoint
+ */
+ }
}
- } /* else sig != SIGTRAP */
-
- /* finally, fill in stop info in break point array base */
- if (bidx > 0)
- { /* store break info */
- /* will need to get off the break for SW breakpoints only */
- base->clr_step = plst->break_list [bidx].type == BRKT_INSTR;
- base->last_break = bidx; /* remember which one */
}
- else if (base)
- { /* clear break info */
- base->clr_step = False; /* not stopped on break */
+
+ /*
+ * else sig != SIGTRAP
+ */
+ /*
+ * finally, fill in stop info in break point array base
+ */
+ if (bidx > 0) { /* store break info */
+ /*
+ * will need to get off the break for SW breakpoints only
+ */
+ base->clr_step = plst->break_list[bidx].type == BRKT_INSTR;
+ base->last_break = bidx; /* remember which one */
+ } else if (base) { /* clear break info */
+ base->clr_step = False; /* not stopped on break */
base->last_break = 0;
}
- /* decision to notify owner based on last_start */
- } /* stopped */
- else /* terminated */
- {
- if (plst->last_start == LAST_START)
- { /* spawn failed */
- TgtNotifyAll(idx, BMSG_EXEC_FAIL, 0, 0, -1, True);
- plst->running = False; /* not running - dead */
- plst->state = *status; /* contains errno in high word */
- return(False);
+ /*
+ * decision to notify owner based on last_start
+ */
+ } /* stopped */
+ else { /* terminated */
+
+ if (plst->last_start == LAST_START) { /* spawn failed */
+ TgtNotifyAll (idx, BMSG_EXEC_FAIL, 0, 0, -1, True);
+ plst->running = False; /* not running - dead */
+ plst->state = *status; /* contains errno in high word */
+ return (False);
}
-
- else if ((UCHAR)(plst->last_start & ~LAST_START) < (UCHAR)LAST_KILLED)
+
+ else if ((UCHAR) (plst->last_start & ~LAST_START) < (UCHAR) LAST_KILLED)
plst->last_start = LAST_NONE; /* doesn't matter anymore */
else
- return(False); /* killed and detach already notified */
+ return (False); /* killed and detach already notified */
}
- return(True); /* stop and notify */
+ return (True); /* stop and notify */
}
#ifdef DDEBUG
-/* -----------------------------------------------------------------------
- TgtDbgPtrace - debug version of ptrace.
- ----------------------------------------------------------------------- */
+/*
+ * TgtDbgPtrace - debug version of ptrace.
+ */
-int TgtDbgPtrace(int request, PID pid, char *addr, int data, void *addr2)
+ int
+TgtDbgPtrace (int request, PID pid, char *addr, int data, void *addr2)
{
- int diag;
+ int diag;
DPRINTF (("TgtDbgPtrace: entered (%s (%d), %d, %x, %d, %x)\n",
- PtraceName (request), request, pid, (int) addr, data,
- (int) addr2));
+ PtraceName (request), request, pid, (int) addr, data,
+ (int) addr2));
if (request == RPT_WRITETEXT || request == RPT_WRITEDATA) {
int i;
@@ -525,7 +549,7 @@ int TgtDbgPtrace(int request, PID pid, char *addr, int data, void *addr2)
DPRINTF (("TgtDbgPtrace:"));
if (rdb_debug) {
for (i = 0; i < data && i < 16; ++i) {
- printf (" %02x", ((char*) addr2) [i] & 0xFF);
+ printf (" %02x", ((char *) addr2)[i] & 0xFF);
}
printf ("\n");
}
@@ -534,19 +558,19 @@ int TgtDbgPtrace(int request, PID pid, char *addr, int data, void *addr2)
diag = TgtRealPtrace (request, pid, addr, data, addr2);
DPRINTF (("TgtDbgPtrace: returned %d (%x) errno %d\n",
- diag, diag, getErrno()));
+ diag, diag, getErrno ()));
if (request == RPT_GETREGS || request == RPT_GETTHREADREGS
- || request == RPT_SETREGS || request == RPT_SETTHREADREGS)
- {
- /* Use DPRINTF() so as to have the id prefix */
+ || request == RPT_SETREGS || request == RPT_SETTHREADREGS) {
+ /*
+ * Use DPRINTF() so as to have the id prefix
+ */
DPRINTF (("TgtDbgPtrace: (%s) PC = %x, SP = %x, FP = %x\n",
- PtraceName (request),
- ((xdr_regs*)addr)->REG_PC,
- ((xdr_regs*)addr)->REG_SP,
- ((xdr_regs*)addr)->REG_FP));
+ PtraceName (request),
+ ((xdr_regs *) addr)->REG_PC,
+ ((xdr_regs *) addr)->REG_SP, ((xdr_regs *) addr)->REG_FP));
}
- return(diag);
+ return (diag);
}
-#endif /* DDEBUG */
+#endif /* DDEBUG */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 11:42:19 +0000