Merge from head@274682

2 files changed, 113 insertions, 19 deletions

diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c
index f6e1c79..e0a6079 100644
--- a/usr.bin/kdump/kdump.c
+++ b/usr.bin/kdump/kdump.c
@@ -57,6 +57,7 @@ extern int errno;
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/sysent.h>
+#include <sys/umtx.h>
 #include <sys/un.h>
 #include <sys/queue.h>
 #include <sys/wait.h>
@@ -103,9 +104,9 @@ void ktrgenio(struct ktr_genio *, int);
 void ktrpsig(struct ktr_psig *);
 void ktrcsw(struct ktr_csw *);
 void ktrcsw_old(struct ktr_csw_old *);
-void ktruser_malloc(unsigned char *);
-void ktruser_rtld(int, unsigned char *);
-void ktruser(int, unsigned char *);
+void ktruser_malloc(void *);
+void ktruser_rtld(int, void *);
+void ktruser(int, void *);
 void ktrcaprights(cap_rights_t *);
 void ktrsockaddr(struct sockaddr *);
 void ktrstat(struct stat *);
@@ -122,10 +123,13 @@ void ioctlname(unsigned long, int);
 #define	TIMESTAMP_ELAPSED	0x2
 #define	TIMESTAMP_RELATIVE	0x4
 
-int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
+extern const char *signames[], *syscallnames[];
+extern int nsyscalls;
+
+static int timestamp, decimal, fancy = 1, suppressdata, tail, threads, maxdata,
     resolv = 0, abiflag = 0, syscallno = 0;
-const char *tracefile = DEF_TRACEFILE;
-struct ktr_header ktr_header;
+static const char *tracefile = DEF_TRACEFILE;
+static struct ktr_header ktr_header;
 
 #define TIME_FORMAT	"%b %e %T %Y"
 #define eqs(s1, s2)	(strcmp((s1), (s2)) == 0)
@@ -172,7 +176,7 @@ struct proc_info
 	pid_t			pid;
 };
 
-TAILQ_HEAD(trace_procs, proc_info) trace_procs;
+static TAILQ_HEAD(trace_procs, proc_info) trace_procs;
 
 #ifdef HAVE_LIBCAPSICUM
 static cap_channel_t *cappwd, *capgrp;
@@ -456,7 +460,7 @@ limitfd(int fd)
 	unsigned long cmd;
 
 	cap_rights_init(&rights, CAP_FSTAT);
-	cmd = -1;
+	cmd = 0;
 
 	switch (fd) {
 	case STDIN_FILENO:
@@ -479,7 +483,7 @@ limitfd(int fd)
 
 	if (cap_rights_limit(fd, &rights) < 0 && errno != ENOSYS)
 		err(1, "unable to limit rights for descriptor %d", fd);
-	if (cmd != -1 && cap_ioctls_limit(fd, &cmd, 1) < 0 && errno != ENOSYS)
+	if (cmd != 0 && cap_ioctls_limit(fd, &cmd, 1) < 0 && errno != ENOSYS)
 		err(1, "unable to limit ioctls for descriptor %d", fd);
 }
 
@@ -1089,6 +1093,14 @@ ktrsyscall(struct ktr_syscall *ktr, u_int flags)
 				ip++;
 				narg--;
 				break;
+			case SYS_shm_open:
+				print_number(ip, narg, c);
+				putchar(',');
+				flagsname(ip[0]);
+				printf(",0%o", (unsigned int)ip[1]);
+				ip += 3;
+				narg -= 3;
+				break;
 			case SYS_minherit:
 				print_number(ip, narg, c);
 				print_number(ip, narg, c);
@@ -1257,6 +1269,26 @@ ktrsyscall(struct ktr_syscall *ktr, u_int flags)
 				ip++;
 				narg--;
 				break;
+			case SYS__umtx_op:
+				print_number(ip, narg, c);
+				putchar(',');
+				umtxopname(*ip);
+				switch (*ip) {
+				case UMTX_OP_CV_WAIT:
+					ip++;
+					narg--;
+					putchar(',');
+					umtxcvwaitflags(*ip);
+					break;
+				case UMTX_OP_RW_RDLOCK:
+					ip++;
+					narg--;
+					putchar(',');
+					umtxrwlockflags(*ip);
+					break;
+				}
+				ip++;
+				narg--;
 			}
 		}
 		while (narg > 0) {
@@ -1507,9 +1539,10 @@ struct utrace_rtld {
 };
 
 void
-ktruser_rtld(int len, unsigned char *p)
+ktruser_rtld(int len, void *p)
 {
-	struct utrace_rtld *ut = (struct utrace_rtld *)p;
+	struct utrace_rtld *ut = p;
+	unsigned char *cp;
 	void *parent;
 	int mode;
 
@@ -1574,14 +1607,15 @@ ktruser_rtld(int len, unsigned char *p)
 		    ut->name);
 		break;
 	default:
-		p += 4;
+		cp = p;
+		cp += 4;
 		len -= 4;
 		printf("RTLD: %d ", len);
 		while (len--)
 			if (decimal)
-				printf(" %d", *p++);
+				printf(" %d", *cp++);
 			else
-				printf(" %02x", *p++);
+				printf(" %02x", *cp++);
 		printf("\n");
 	}
 }
@@ -1593,9 +1627,9 @@ struct utrace_malloc {
 };
 
 void
-ktruser_malloc(unsigned char *p)
+ktruser_malloc(void *p)
 {
-	struct utrace_malloc *ut = (struct utrace_malloc *)p;
+	struct utrace_malloc *ut = p;
 
 	if (ut->p == (void *)(intptr_t)(-1))
 		printf("malloc_init()\n");
@@ -1608,8 +1642,9 @@ ktruser_malloc(unsigned char *p)
 }
 
 void
-ktruser(int len, unsigned char *p)
+ktruser(int len, void *p)
 {
+	unsigned char *cp;
 
 	if (len >= 8 && bcmp(p, "RTLD", 4) == 0) {
 		ktruser_rtld(len, p);
@@ -1622,11 +1657,12 @@ ktruser(int len, unsigned char *p)
 	}
 
 	printf("%d ", len);
+	cp = p;
 	while (len--)
 		if (decimal)
-			printf(" %d", *p++);
+			printf(" %d", *cp++);
 		else
-			printf(" %02x", *p++);
+			printf(" %02x", *cp++);
 	printf("\n");
 }
 
diff --git a/usr.bin/kdump/mksubr b/usr.bin/kdump/mksubr
index d8d803f..aa001f8 100644
--- a/usr.bin/kdump/mksubr
+++ b/usr.bin/kdump/mksubr
@@ -185,6 +185,7 @@ cat <<_EOF_
 #include <sys/ipc.h>
 #include <sys/rtprio.h>
 #include <sys/shm.h>
+#include <sys/umtx.h>
 #include <nfsserver/nfs.h>
 #include <ufs/ufs/quota.h>
 #include <sys/capsicum.h>
@@ -489,6 +490,7 @@ auto_if_type     "sockipprotoname"     "IPPROTO_[[:alnum:]]+[[:space:]]+"
 auto_switch_type "sockoptname"         "SO_[A-Z]+[[:space:]]+0x[0-9]+"                "sys/socket.h"
 auto_switch_type "socktypename"        "SOCK_[A-Z]+[[:space:]]+[1-9]+[0-9]*"          "sys/socket.h"
 auto_or_type     "thrcreateflagsname"  "THR_[A-Z]+[[:space:]]+0x[0-9]+"               "sys/thr.h"
+auto_switch_type "umtxopname"          "UMTX_OP_[[:alnum:]_]+[[:space:]]+[0-9]+"            "sys/umtx.h"
 auto_switch_type "vmresultname"        "KERN_[A-Z]+[[:space:]]+[0-9]+"                "vm/vm_param.h"
 auto_or_type     "wait6optname"        "W[A-Z]+[[:space:]]+[0-9]+"                    "sys/wait.h"
 auto_switch_type "whencename"          "SEEK_[A-Z]+[[:space:]]+[0-9]+"                "sys/unistd.h"
@@ -677,6 +679,62 @@ cat <<_EOF_
 	}
 }
 
+/*
+ * AUTO - Special
+ *
+ * Just print 0 as 0.
+ */
+void
+umtxcvwaitflags(intmax_t arg)
+{
+	int or = 0;
+	if (arg == 0) {
+		printf("0");
+		return;
+	}
+	printf("%#jx<", (uintmax_t)arg);
+_EOF_
+	egrep "^#[[:space:]]*define[[:space:]]+CVWAIT_[A-Z_]+[[:space:]]+0x[0-9]+[[:space:]]*" \
+		$include_dir/sys/umtx.h | \
+	awk '{ for (i = 1; i <= NF; i++) \
+		if ($i ~ /define/) \
+			break; \
+		++i; \
+		printf "\tif (!((arg > 0) ^ ((%s) > 0)))\n\t\tif_print_or(arg, %s, or);\n", $i, $i }'
+cat <<_EOF_
+	printf(">");
+	if (or == 0)
+		printf("<invalid>%jd", arg);
+}
+
+
+/*
+ * AUTO - Special
+ *
+ * Just print 0 as 0.
+ */
+void
+umtxrwlockflags(intmax_t arg)
+{
+	int or = 0;
+	if (arg == 0) {
+		printf("0");
+		return;
+	}
+	printf("%#jx<", (uintmax_t)arg);
+_EOF_
+	egrep "^#[[:space:]]*define[[:space:]]+URWLOCK_PREFER_READER[[:space:]]+0x[0-9]+[[:space:]]*" \
+		$include_dir/sys/umtx.h | \
+	awk '{ for (i = 1; i <= NF; i++) \
+		if ($i ~ /define/) \
+			break; \
+		++i; \
+		printf "\tif (!((arg > 0) ^ ((%s) > 0)))\n\t\tif_print_or(arg, %s, or);\n", $i, $i }'
+cat <<_EOF_
+	printf(">");
+	if (or == 0)
+		printf("<invalid>%jd", arg);
+}
 _EOF_
 egrep '#define[[:space:]]+CAP_[A-Z_]+[[:space:]]+CAPRIGHT\([0-9],[[:space:]]+0x[0-9]{16}ULL\)' \
 	$include_dir/sys/capsicum.h | \