* Copyright (c) 2006-2017 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Log information about external modification of a process,
* using MessageTracer formatting. Assumes that both the caller
* and target are appropriately locked.
- * Currently prints following information -
- * 1. Caller process name (truncated to 16 characters)
+ * Currently prints following information -
+ * 1. Caller process name (truncated to 16 characters)
* 2. Caller process Mach-O UUID
* 3. Target process name (truncated to 16 characters)
* 4. Target process Mach-O UUID
fslog_extmod_msgtracer(proc_t caller, proc_t target)
{
if ((caller != PROC_NULL) && (target != PROC_NULL)) {
-
/*
* Print into buffer large enough for "ThisIsAnApplicat(BC223DD7-B314-42E0-B6B0-C5D2E6638337)",
* including space for escaping, and NUL byte included in sizeof(uuid_string_t).
*/
uuid_string_t uuidstr;
- char c_name[2*MAXCOMLEN + 2 /* () */ + sizeof(uuid_string_t)];
- char t_name[2*MAXCOMLEN + 2 /* () */ + sizeof(uuid_string_t)];
+ char c_name[2 * MAXCOMLEN + 2 /* () */ + sizeof(uuid_string_t)];
+ char t_name[2 * MAXCOMLEN + 2 /* () */ + sizeof(uuid_string_t)];
strlcpy(c_name, caller->p_comm, sizeof(c_name));
uuid_unparse_upper(caller->p_uuid, uuidstr);
}
#if DEBUG
printf("EXTMOD: %s(%d) -> %s(%d)\n",
- c_name,
- proc_pid(caller),
- t_name,
- proc_pid(target));
+ c_name,
+ proc_pid(caller),
+ t_name,
+ proc_pid(target));
#endif
kern_asl_msg(LOG_DEBUG, "messagetracer",
- 5,
- "com.apple.message.domain", "com.apple.kernel.external_modification", /* 0 */
- "com.apple.message.signature", c_name, /* 1 */
- "com.apple.message.signature2", t_name, /* 2 */
- "com.apple.message.result", "noop", /* 3 */
- "com.apple.message.summarize", "YES", /* 4 */
- NULL);
+ 5,
+ "com.apple.message.domain", "com.apple.kernel.external_modification", /* 0 */
+ "com.apple.message.signature", c_name, /* 1 */
+ "com.apple.message.signature2", t_name, /* 2 */
+ "com.apple.message.result", "noop", /* 3 */
+ "com.apple.message.summarize", "YES", /* 4 */
+ NULL);
}
}
match_fpx_event(const struct fpx_event *fe,
const uuid_t uuid, const uint32_t code, const uint32_t xcpt)
{
- return (code == fe->fe_code && xcpt == fe->fe_xcpt &&
- 0 == memcmp(uuid, fe->fe_uuid, sizeof (uuid_t)));
+ return code == fe->fe_code && xcpt == fe->fe_xcpt &&
+ 0 == memcmp(uuid, fe->fe_uuid, sizeof(uuid_t));
}
#if FPX_EVENT_DBG
printf("%s: code 0x%x xcpt 0x%x uuid '%s'\n",
pfx, fe->fe_code, fe->fe_xcpt, uustr);
}
-#define DPRINTF_FPX_EVENT(pfx, fe) print_fpx_event(pfx, fe)
+#define DPRINTF_FPX_EVENT(pfx, fe) print_fpx_event(pfx, fe)
#else
-#define DPRINTF_FPX_EVENT(pfx, fe) /* nothing */
+#define DPRINTF_FPX_EVENT(pfx, fe) /* nothing */
#endif
-#define MAX_DISTINCT_FPX_EVENTS 101 /* (approx one page of heap) */
+#define MAX_DISTINCT_FPX_EVENTS 101 /* (approx one page of heap) */
/*
* Filter to detect "new" <uuid, code, xcpt> tuples.
novel_fpx_event(const uuid_t uuid, uint32_t code, uint32_t xcpt)
{
static TAILQ_HEAD(fpx_event_head, fpx_event) fehead =
- TAILQ_HEAD_INITIALIZER(fehead);
+ TAILQ_HEAD_INITIALIZER(fehead);
struct fpx_event *fe;
lck_mtx_lock(&fpxlock);
/* seen before and element already at head */
lck_mtx_unlock(&fpxlock);
DPRINTF_FPX_EVENT("seen, head", fe);
- return (false);
+ return false;
}
unsigned int count = 0;
TAILQ_INSERT_HEAD(&fehead, fe, fe_link);
lck_mtx_unlock(&fpxlock);
DPRINTF_FPX_EVENT("seen, moved to head", fe);
- return (false);
+ return false;
}
count++;
}
DPRINTF_FPX_EVENT("reusing", fe);
} else {
/* add a new element to the list */
- fe = kalloc(sizeof (*fe));
+ fe = kalloc(sizeof(*fe));
}
- memcpy(fe->fe_uuid, uuid, sizeof (uuid_t));
+ memcpy(fe->fe_uuid, uuid, sizeof(uuid_t));
fe->fe_code = code;
fe->fe_xcpt = xcpt;
TAILQ_INSERT_HEAD(&fehead, fe, fe_link);
DPRINTF_FPX_EVENT("novel", fe);
- return (true);
+ return true;
}
void
fpxlog(
- int code, /* Mach exception code: e.g. 5 or 8 */
- uint32_t stat, /* Full FP status register bits */
- uint32_t ctrl, /* Full FP control register bits */
- uint32_t xcpt) /* Exception bits from FP status */
+ int code, /* Mach exception code: e.g. 5 or 8 */
+ uint32_t stat, /* Full FP status register bits */
+ uint32_t ctrl, /* Full FP control register bits */
+ uint32_t xcpt) /* Exception bits from FP status */
{
proc_t p = current_proc();
- if (PROC_NULL == p)
+ if (PROC_NULL == p) {
return;
+ }
uuid_t uuid;
- proc_getexecutableuuid(p, uuid, sizeof (uuid));
+ proc_getexecutableuuid(p, uuid, sizeof(uuid));
/*
* Check to see if an exception with this <uuid, code, xcpt>
* has been seen before. If "novel" then log a message.
*/
- if (!novel_fpx_event(uuid, code, xcpt))
+ if (!novel_fpx_event(uuid, code, xcpt)) {
return;
+ }
const size_t nmlen = 2 * MAXCOMLEN + 1;
char nm[nmlen] = {};
proc_selfname(nm, nmlen);
- if (escape_str(nm, strlen(nm) + 1, nmlen))
- snprintf(nm, nmlen, "(a.out)");
+ if (escape_str(nm, strlen(nm) + 1, nmlen)) {
+ snprintf(nm, nmlen, "(a.out)");
+ }
const size_t slen = 8 + 1 + 8 + 1;
char xcptstr[slen], csrstr[slen];
snprintf(xcptstr, slen, "%x.%x", code, xcpt);
- if (ctrl == stat)
+ if (ctrl == stat) {
snprintf(csrstr, slen, "%x", ctrl);
- else
+ } else {
snprintf(csrstr, slen, "%x.%x", ctrl, stat);
+ }
#if DEVELOPMENT || DEBUG
printf("%s[%d]: com.apple.kernel.fpx: %s, %s\n",
- nm, proc_pid(p), xcptstr, csrstr);
+ nm, proc_pid(p), xcptstr, csrstr);
#endif
kern_asl_msg(LOG_DEBUG, "messagetracer", 5,
- /* 0 */ "com.apple.message.domain", "com.apple.kernel.fpx",
- /* 1 */ "com.apple.message.signature", nm,
- /* 2 */ "com.apple.message.signature2", xcptstr,
- /* 3 */ "com.apple.message.value", csrstr,
- /* 4 */ "com.apple.message.summarize", "YES",
- NULL);
+ /* 0 */ "com.apple.message.domain", "com.apple.kernel.fpx",
+ /* 1 */ "com.apple.message.signature", nm,
+ /* 2 */ "com.apple.message.signature2", xcptstr,
+ /* 3 */ "com.apple.message.value", csrstr,
+ /* 4 */ "com.apple.message.summarize", "YES",
+ NULL);
}
#else
void
fpxlog_init(void)
-{}
+{
+}
#endif /* __x86_64__ */
projects / apple / xnu.git / blobdiff