xnu-3248.40.184.tar.gz

[apple/xnu.git] / osfmk / kern / xpr.c

diff --git a/osfmk/kern/xpr.c b/osfmk/kern/xpr.c
index 1b4d1670711ecaf8e0217acc40e9c19986623e1c..8fbaca22df7349bc2009041a6d70490f6157090b 100644 (file)
--- a/osfmk/kern/xpr.c
+++ b/osfmk/kern/xpr.c
@@ -53,14 +53,12 @@
  * any improvements or extensions that they make and grant Carnegie Mellon
  * the rights to redistribute these changes.
  */
-#include <mach_kdb.h>
 /*
  * xpr silent tracing circular buffer.
  */
 
 #include <mach/machine/vm_types.h>
 #include <kern/xpr.h>
-#include <kern/lock.h>
 #include <kern/spl.h>
 #include <kern/cpu_number.h>
 #include <kern/misc_protos.h>
@@ -125,174 +123,3 @@ xpr(
        mp_enable_preemption();
 }
 
-void 
-xprbootstrap(void)
-{
-       vm_offset_t     addr;
-       vm_size_t       size;
-       kern_return_t   kr;
-
-       simple_lock_init(&xprlock, 0);
-       if (nxprbufs == 0)
-               return; /* assume XPR support not desired */
-
-       /* leave room at the end for a saved copy of xprptr */
-       size = nxprbufs * sizeof(struct xprbuf) + sizeof xprptr;
-
-       kr = kmem_alloc_kobject(kernel_map, &addr, size);
-       if (kr != KERN_SUCCESS)
-               panic("xprbootstrap");
-
-       if (xprenable) {
-               /*
-                *      If xprenable is set (the default) then we zero
-                *      the buffer so xpr_dump doesn't encounter bad pointers.
-                *      If xprenable isn't set, then we preserve
-                *      the original contents of the buffer.  This is useful
-                *      if memory survives reboots, so xpr_dump can show
-                *      the previous buffer contents.
-                */
-
-               (void) memset((void *) addr, 0, size);
-       }
-
-       xprbase = (struct xprbuf *) addr;
-       xprlast = &xprbase[nxprbufs];
-       xprptr = xprbase;       /* setting xprptr enables tracing */
-}
-
-int            xprinitial = 0;
-
-void
-xprinit(void)
-{
-       xprflags |= xprinitial;
-}
-
-#if    MACH_KDB
-#include <ddb/db_output.h>
-
-/*
- * Prototypes for functions called from the debugger
- */
-void
-xpr_dump(
-       struct xprbuf   *base,
-       int             nbufs);
-
-void
-xpr_search(
-       int     arg_index,
-       int     value);
-
-extern jmp_buf_t *db_recover;
-
-/*
- *     Print current content of xpr buffers (KDB's sake)
- *     Use stack order to make it understandable.
- *
- *     Called as "!xpr_dump" this dumps the kernel's xpr buffer.
- *     Called with arguments, it can dump xpr buffers in user tasks,
- *     assuming they use the same format as the kernel.
- */
-static spl_t xpr_dump_spl;
-static struct xprbuf *base;
-static int nbufs;
-void
-xpr_dump(
-       struct xprbuf   *_base,
-       int             _nbufs)
-{
-       jmp_buf_t db_jmpbuf;
-       jmp_buf_t *prev;
-       struct xprbuf *last, *ptr;
-       register struct xprbuf *x;
-       int i;
-
-       base = _base;
-       nbufs = _nbufs;
-
-       if (base == 0) {
-               base = xprbase;
-               nbufs = nxprbufs;
-       }
-
-       if (nbufs == 0)
-               return;
-
-       if (base == xprbase) {
-               xpr_dump_spl = splhigh();
-               simple_lock(&xprlock);
-       }
-
-       last = base + nbufs;
-       ptr = * (struct xprbuf **) last;
-
-       prev = db_recover;
-       if (_setjmp(db_recover = &db_jmpbuf) == 0)
-           for (x = ptr, i = 0; i < nbufs; i++) {
-               if (--x < base)
-                       x = last - 1;
-
-               if (x->msg == 0)
-                       break;
-
-               db_printf("<%d:%x:%x> ", x - base, x->cpuinfo, x->timestamp);
-               db_printf(x->msg, x->arg1,x->arg2,x->arg3,x->arg4,x->arg5);
-           }
-       db_recover = prev;
-
-       if (base == xprbase) {
-               simple_unlock(&xprlock);
-               splx(xpr_dump_spl);
-       }
-}
-
-/*
- * dump xpr table with a selection criteria.
- * argument number "arg_index" must equal "value"
- */
-
-void
-xpr_search(
-       int     arg_index,
-       int     value)
-{
-       jmp_buf_t db_jmpbuf;
-       jmp_buf_t *prev;
-       register struct xprbuf *x;
-       spl_t s;
-       int n;
-
-       if (!nxprbufs)
-               return;
-
-       s = splhigh();
-       simple_lock(&xprlock);
-
-       prev = db_recover;
-       if (_setjmp(db_recover = &db_jmpbuf) == 0) {
-           n = nxprbufs;
-
-           for (x = *(struct xprbuf **)xprlast ; n--; ) {
-               if (--x < xprbase)
-                       x = xprlast - 1;
-
-               if (x->msg == 0) {
-                       break;
-               }
-
-               if (*((&x->arg1)+arg_index) != value)
-                       continue;
-
-               db_printf("<%d:%d:%x> ", x - xprbase,
-                         x->cpuinfo, x->timestamp);
-               db_printf(x->msg, x->arg1,x->arg2,x->arg3,x->arg4,x->arg5);
-           }
-       }
-       db_recover = prev;
-
-       simple_unlock(&xprlock);
-       splx(s);
-}
-#endif /* MACH_KDB */