Re: Build problems in kdd.c with xen-4.14.0-rc4

[Olaf Hering <olaf@aepfle.de>]

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On Tue, Jun 30, Michael Young wrote:

> I get the following errors when trying to build xen-4.14.0-rc4

This happens to work for me.

Olaf

---
 tools/debugger/kdd/kdd.c | 8 ++++----
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/tools/debugger/kdd/kdd.c
+++ b/tools/debugger/kdd/kdd.c
@@ -742,25 +742,25 @@ static void kdd_tx(kdd_state *s)
     int i;
 
     /* Fix up the checksum before we send */
     for (i = 0; i < s->txp.h.len; i++)
         sum += s->txp.payload[i];
     s->txp.h.sum = sum;
 
     kdd_log_pkt(s, "TX", &s->txp);
 
     len = s->txp.h.len + sizeof (kdd_hdr);
     if (s->txp.h.dir == KDD_DIR_PKT)
         /* Append the mysterious 0xaa byte to each packet */
-        s->txb[len++] = 0xaa;
+        s->txp.payload[len++] = 0xaa;
 
     (void) blocking_write(s->fd, s->txb, len);
 }
 
 
 /* Send an acknowledgement to the client */
 static void kdd_send_ack(kdd_state *s, uint32_t id, uint16_t type)
 {
     s->txp.h.dir = KDD_DIR_ACK;
     s->txp.h.type = type;
     s->txp.h.len = 0;
     s->txp.h.id = id;
@@ -775,25 +775,25 @@ static void kdd_send_cmd(kdd_state *s, uint32_t subtype, size_t extra)
     s->txp.h.type = KDD_PKT_CMD;
     s->txp.h.len = sizeof (kdd_cmd) + extra;
     s->txp.h.id = (s->next_id ^= 1);
     s->txp.h.sum = 0;
     s->txp.cmd.subtype = subtype;
     kdd_tx(s);
 }
 
 /* Cause the client to print a string */
 static void kdd_send_string(kdd_state *s, char *fmt, ...)
 {
     uint32_t len = 0xffff - sizeof (kdd_msg);
-    char *buf = (char *) s->txb + sizeof (kdd_hdr) + sizeof (kdd_msg);
+    char *buf = (char *) &s->txp + sizeof (kdd_hdr) + sizeof (kdd_msg);
     va_list ap;
     
     va_start(ap, fmt);
     len = vsnprintf(buf, len, fmt, ap);
     va_end(ap);
 
     s->txp.h.dir = KDD_DIR_PKT;
     s->txp.h.type = KDD_PKT_MSG;
     s->txp.h.len = sizeof (kdd_msg) + len;
     s->txp.h.id = (s->next_id ^= 1);
     s->txp.h.sum = 0;
     s->txp.msg.subtype = KDD_MSG_PRINT;
@@ -807,25 +807,25 @@ static void kdd_break(kdd_state *s)
 {
     uint16_t ilen;
     KDD_LOG(s, "Break\n");
 
     if (s->running)
         kdd_halt(s->guest);
     s->running = 0;
 
     {
         unsigned int i;
         /* XXX debug pattern */
         for (i = 0; i < 0x100 ; i++) 
-            s->txb[sizeof (kdd_hdr) + i] = i;
+            s->txp.payload[sizeof (kdd_hdr) + i] = i;
     }
 
     /* Send a state-change message to the client so it knows we've stopped */
     s->txp.h.dir = KDD_DIR_PKT;
     s->txp.h.type = KDD_PKT_STC;
     s->txp.h.len = sizeof (kdd_stc);
     s->txp.h.id = (s->next_id ^= 1);
     s->txp.stc.subtype = KDD_STC_STOP;
     s->txp.stc.stop.cpu = s->cpuid;
     s->txp.stc.stop.ncpus = kdd_count_cpus(s->guest); 
     s->txp.stc.stop.kthread = 0; /* Let the debugger figure it out */
     s->txp.stc.stop.status = KDD_STC_STATUS_BREAKPOINT;

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