[src/trunk]: src/sys/arch/amd64/amd64 Style and cleanup.

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ea40419e8028
branches:  trunk
changeset: 459045:ea40419e8028
user:      maxv <maxv%NetBSD.org@localhost>
date:      Wed Aug 21 17:14:05 2019 +0000

description:
Style and cleanup.

diffstat:

 sys/arch/amd64/amd64/trap.c |  28 +++++++++++-----------------
 1 files changed, 11 insertions(+), 17 deletions(-)

diffs (91 lines):

diff -r d2ab4eda8395 -r ea40419e8028 sys/arch/amd64/amd64/trap.c
--- a/sys/arch/amd64/amd64/trap.c       Wed Aug 21 17:12:19 2019 +0000
+++ b/sys/arch/amd64/amd64/trap.c       Wed Aug 21 17:14:05 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: trap.c,v 1.122 2019/08/21 17:06:36 maxv Exp $  */
+/*     $NetBSD: trap.c,v 1.123 2019/08/21 17:14:05 maxv Exp $  */
 
 /*
  * Copyright (c) 1998, 2000, 2017 The NetBSD Foundation, Inc.
@@ -64,7 +64,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.122 2019/08/21 17:06:36 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: trap.c,v 1.123 2019/08/21 17:14:05 maxv Exp $");
 
 #include "opt_ddb.h"
 #include "opt_kgdb.h"
@@ -110,21 +110,17 @@
 
 #ifdef KDTRACE_HOOKS
 #include <sys/dtrace_bsd.h>
-
 /*
- * This is a hook which is initialized by the dtrace module
- * to handle traps which might occur during DTrace probe
- * execution.
+ * This is a hook which is initialized by the dtrace module to handle traps
+ * which might occur during DTrace probe execution.
  */
-dtrace_trap_func_t     dtrace_trap_func = NULL;
-
-dtrace_doubletrap_func_t       dtrace_doubletrap_func = NULL;
+dtrace_trap_func_t dtrace_trap_func = NULL;
+dtrace_doubletrap_func_t dtrace_doubletrap_func = NULL;
 #endif
 
 void nmitrap(struct trapframe *);
 void doubletrap(struct trapframe *);
 void trap(struct trapframe *);
-void trap_return_fault_return(struct trapframe *) __dead;
 
 const char * const trap_type[] = {
        "privileged instruction fault",         /*  0 T_PRIVINFLT */
@@ -149,7 +145,7 @@
        "SSE FP exception",                     /* 19 T_XMM */
        "reserved trap",                        /* 20 T_RESERVED */
 };
-int    trap_types = __arraycount(trap_type);
+int trap_types = __arraycount(trap_type);
 
 #ifdef TRAP_SIGDEBUG
 static void sigdebug(const struct trapframe *, const ksiginfo_t *, int);
@@ -274,7 +270,7 @@
                p = l->l_proc;
        } else {
                /*
-                * this can happen eg. on break points in early on boot.
+                * This can happen eg on break points in early on boot.
                 */
                pcb = NULL;
                p = NULL;
@@ -454,9 +450,7 @@
                        ksi.ksi_code = FPE_INTDIV;
                        break;
                default:
-#ifdef DIAGNOSTIC
-                       panic("unhandled type %x\n", type);
-#endif
+                       KASSERT(0);
                        break;
                }
                goto trapsignal;
@@ -493,7 +487,7 @@
                        }
                }
 
-               goto faultcommon;
+               goto pagefltcommon;
 
        case T_PAGEFLT|T_USER: {
                register vaddr_t va;
@@ -506,7 +500,7 @@
                if (p->p_emul->e_usertrap != NULL &&
                    (*p->p_emul->e_usertrap)(l, cr2, frame) != 0)
                        return;
-faultcommon:
+pagefltcommon:
                vm = p->p_vmspace;
                if (__predict_false(vm == NULL)) {
                        goto we_re_toast;