xnu-6153.81.5.tar.gz

[apple/xnu.git] / bsd / sys / gmon.h

diff --git a/bsd/sys/gmon.h b/bsd/sys/gmon.h
index a6576006d60f1b16c748abee04e242ed93e926ad..ef7b40d85b10a62fd83f715dd3ab77b21bdc8ab5 100644 (file)
--- a/bsd/sys/gmon.h
+++ b/bsd/sys/gmon.h
@@ -1,8 +1,8 @@
 /*
 /*

- * Copyright (c) 2000, 2007 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  *
  * @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
  * 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


@@ -11,10 +11,10 @@
  * 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.
  * 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.
  * 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,
  * 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,


@@ -22,7 +22,7 @@
  * 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.
  * 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@
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */


@@ -69,41 +69,41 @@
  * Structure prepended to gmon.out profiling data file.
  */
 struct gmonhdr {
  * Structure prepended to gmon.out profiling data file.
  */
 struct gmonhdr {

-       uint32_t lpc;           /* base pc address of sample buffer */
-       uint32_t hpc;           /* max pc address of sampled buffer */
-       uint32_t ncnt;          /* size of sample buffer (plus this header) */
-       int32_t version;        /* version number */
-       int32_t profrate;       /* profiling clock rate */
-       int32_t spare[3];       /* reserved */
+       uint32_t lpc;           /* base pc address of sample buffer */
+       uint32_t hpc;           /* max pc address of sampled buffer */
+       uint32_t ncnt;          /* size of sample buffer (plus this header) */
+       int32_t version;        /* version number */
+       int32_t profrate;       /* profiling clock rate */
+       int32_t spare[3];       /* reserved */

 };
 };

-#define GMONVERSION    0x00051879
+#define GMONVERSION     0x00051879

 
 struct gmonhdr_64 {
 
 struct gmonhdr_64 {

-       uint64_t lpc;           /* base pc address of sample buffer */
-       uint64_t hpc;           /* max pc address of sampled buffer */
-       uint32_t ncnt;          /* size of sample buffer (plus this header) */
-       int32_t version;        /* version number */
-       int32_t profrate;       /* profiling clock rate */
-       int32_t spare[3];       /* reserved */
+       uint64_t lpc;           /* base pc address of sample buffer */
+       uint64_t hpc;           /* max pc address of sampled buffer */
+       uint32_t ncnt;          /* size of sample buffer (plus this header) */
+       int32_t version;        /* version number */
+       int32_t profrate;       /* profiling clock rate */
+       int32_t spare[3];       /* reserved */

 };
 
 typedef struct
 #ifndef __LP64__
 };
 
 typedef struct
 #ifndef __LP64__

-        gmonhdr
+    gmonhdr

 #else
 #else

-        gmonhdr_64
+    gmonhdr_64

 #endif
 #endif

-gmonhdr_t;
+    gmonhdr_t;

 
 /*
  * histogram counters are unsigned shorts (according to the kernel).
  */
 
 /*
  * histogram counters are unsigned shorts (according to the kernel).
  */

-#define        HISTCOUNTER     unsigned short
+#define HISTCOUNTER     unsigned short

 
 /*
  * fraction of text space to allocate for histogram counters here, 1/2
  */
 
 /*
  * fraction of text space to allocate for histogram counters here, 1/2
  */

-#define        HISTFRACTION    2
+#define HISTFRACTION    2

 
 /*
  * Fraction of text space to allocate for from hash buckets.
 
 /*
  * Fraction of text space to allocate for from hash buckets.


@@ -119,7 +119,7 @@ gmonhdr_t;
  *     calls   $0,(r0)
  *     calls   $0,(r0)
  *
  *     calls   $0,(r0)
  *     calls   $0,(r0)
  *

- * which is separated by only three bytes, thus HASHFRACTION is 
+ * which is separated by only three bytes, thus HASHFRACTION is

  * calculated as:
  *
  *     HASHFRACTION = 3 / (2 * 2 - 1) = 1
  * calculated as:
  *
  *     HASHFRACTION = 3 / (2 * 2 - 1) = 1


@@ -127,124 +127,99 @@ gmonhdr_t;
  * Note that the division above rounds down, thus if MIN_SUBR_FRACTION
  * is less than three, this algorithm will not work!
  *
  * Note that the division above rounds down, thus if MIN_SUBR_FRACTION
  * is less than three, this algorithm will not work!
  *

- * In practice, however, call instructions are rarely at a minimal 
+ * In practice, however, call instructions are rarely at a minimal

  * distance.  Hence, we will define HASHFRACTION to be 2 across all
  * distance.  Hence, we will define HASHFRACTION to be 2 across all

- * architectures.  This saves a reasonable amount of space for 
+ * architectures.  This saves a reasonable amount of space for

  * profiling data structures without (in practice) sacrificing
  * any granularity.
  */
  * profiling data structures without (in practice) sacrificing
  * any granularity.
  */

-#define        HASHFRACTION    2
+#define HASHFRACTION    2

 
 /*
  * percent of text space to allocate for tostructs with a minimum.
  */
 
 /*
  * percent of text space to allocate for tostructs with a minimum.
  */

-#define ARCDENSITY     2
-#define MINARCS                50
-#define MAXARCS                ((1 << (8 * sizeof(HISTCOUNTER))) - 2)
+#define ARCDENSITY      2
+#define MINARCS         50
+#define MAXARCS         ((1 << (8 * sizeof(HISTCOUNTER))) - 2)

 
 struct tostruct {
 
 struct tostruct {

-       uint32_t        selfpc;
-       int32_t         count;
-       uint16_t        link;
-       uint16_t        order;
+       uint32_t        selfpc;
+       int32_t         count;
+       uint16_t        link;
+       uint16_t        order;

 };
 
 struct tostruct_64 {
 };
 
 struct tostruct_64 {

-       uint64_t        selfpc;
-       int32_t         count;
-       uint16_t        link;
-       uint16_t        order;
+       uint64_t        selfpc;
+       int32_t         count;
+       uint16_t        link;
+       uint16_t        order;

 };
 
 typedef struct
 #ifndef __LP64__
 };
 
 typedef struct
 #ifndef __LP64__

-        tostruct
+    tostruct

 #else
 #else

-        tostruct_64
+    tostruct_64

 #endif
 #endif

-tostruct_t;
+    tostruct_t;

 
 /*
 
 /*

- * a raw arc, with pointers to the calling site and 
+ * a raw arc, with pointers to the calling site and

  * the called site and a count.
  */
 struct rawarc {
  * the called site and a count.
  */
 struct rawarc {

-       uint32_t        raw_frompc;
-       uint32_t        raw_selfpc;
-       int32_t         raw_count;
+       uint32_t        raw_frompc;
+       uint32_t        raw_selfpc;
+       int32_t         raw_count;

 };
 
 struct rawarc_64 {
 };
 
 struct rawarc_64 {

-       uint64_t        raw_frompc;
-       uint64_t        raw_selfpc;
-       int32_t         raw_count;
+       uint64_t        raw_frompc;
+       uint64_t        raw_selfpc;
+       int32_t         raw_count;

 };
 
 typedef struct
 #ifndef __LP64__
 };
 
 typedef struct
 #ifndef __LP64__

-        rawarc
+    rawarc

 #else
 #else

-        rawarc_64
+    rawarc_64

 #endif
 #endif

-rawarc_t;
+    rawarc_t;

 
 /*
  * general rounding functions.
  */
 
 /*
  * general rounding functions.
  */

-#define ROUNDDOWN(x,y) (((x)/(y))*(y))
-#define ROUNDUP(x,y)   ((((x)+(y)-1)/(y))*(y))
+#define ROUNDDOWN(x, y)  (((x)/(y))*(y))
+#define ROUNDUP(x, y)    ((((x)+(y)-1)/(y))*(y))

 
 /*
  * The profiling data structures are housed in this structure.
  */
 struct gmonparam {
 
 /*
  * The profiling data structures are housed in this structure.
  */
 struct gmonparam {

-       int             state;
-       u_short         *kcount;
-       u_long          kcountsize;
-       u_short         *froms;
-       u_long          fromssize;
-       tostruct_t      *tos;
-       u_long          tossize;
-       long            tolimit;
-       u_long          lowpc;
-       u_long          highpc;
-       u_long          textsize;
-       u_long          hashfraction;
+       int             state;
+       u_short         *kcount;
+       u_long          kcountsize;
+       u_short         *froms;
+       u_long          fromssize;
+       tostruct_t      *tos;
+       u_long          tossize;
+       long            tolimit;
+       u_long          lowpc;
+       u_long          highpc;
+       u_long          textsize;
+       u_long          hashfraction;

 };
 extern struct gmonparam _gmonparam;
 
 /*
  * Possible states of profiling.
  */
 };
 extern struct gmonparam _gmonparam;
 
 /*
  * Possible states of profiling.
  */

-#define        GMON_PROF_ON    0
-#define        GMON_PROF_BUSY  1
-#define        GMON_PROF_ERROR 2
-#define        GMON_PROF_OFF   3
-
-/*
- * Sysctl definitions for extracting profiling information from the kernel.
- */
-#define        GPROF_STATE     0       /* int: profiling enabling variable */
-#define        GPROF_COUNT     1       /* struct: profile tick count buffer */
-#define        GPROF_FROMS     2       /* struct: from location hash bucket */
-#define        GPROF_TOS       3       /* struct: destination/count structure */
-#define        GPROF_GMONPARAM 4       /* struct: profiling parameters (see above) */
-
-
-/*
- * Declarations for various profiling related functions from
- * bsd/kern/subr_prof.c
- */
-#ifdef GPROF
-#ifdef XNU_KERNEL_PRIVATE
-
-void kmstartup(void);
-void cfreemem(caddr_t, int);  /* Currently only a stub function. */
-void mcount(uintptr_t, uintptr_t);
-
-#endif /* XNU_KERNEL_PRIVATE */
-#endif /* GPROF */
-
+#define GMON_PROF_ON    0
+#define GMON_PROF_BUSY  1
+#define GMON_PROF_ERROR 2
+#define GMON_PROF_OFF   3

 
 /*
  * In order to support more information than in the original mon.out and
 
 /*
  * In order to support more information than in the original mon.out and


@@ -255,53 +230,52 @@ void mcount(uintptr_t, uintptr_t);
 #define GMON_MAGIC 0xbeefbabe
 #define GMON_MAGIC_64 0xbeefbabf
 typedef struct gmon_data {
 #define GMON_MAGIC 0xbeefbabe
 #define GMON_MAGIC_64 0xbeefbabf
 typedef struct gmon_data {

-    uint32_t type; /* constant for type of data following this struct */
-    uint32_t size; /* size in bytes of the data following this struct */
+       uint32_t type; /* constant for type of data following this struct */
+       uint32_t size; /* size in bytes of the data following this struct */

 } gmon_data_t;
 
 /*
  * The GMONTYPE_SAMPLES gmon_data.type is for the histogram counters described
  * above and has a gmonhdr_t followed by the counters.
  */
 } gmon_data_t;
 
 /*
  * The GMONTYPE_SAMPLES gmon_data.type is for the histogram counters described
  * above and has a gmonhdr_t followed by the counters.
  */

-#define GMONTYPE_SAMPLES       1
+#define GMONTYPE_SAMPLES        1

 /*
  * The GMONTYPE_RAWARCS gmon_data.type is for the raw arcs described above.
  */
 /*
  * The GMONTYPE_RAWARCS gmon_data.type is for the raw arcs described above.
  */

-#define GMONTYPE_RAWARCS       2
+#define GMONTYPE_RAWARCS        2

 /*
  * The GMONTYPE_ARCS_ORDERS gmon_data.type is for the raw arcs with a call
  * order field.  The order is the order is a sequence number for the order each
  * call site was executed.  Raw_order values start at 1 not zero.  Other than
  * the raw_order field this is the same information as in the rawarc_t.
  */
 /*
  * The GMONTYPE_ARCS_ORDERS gmon_data.type is for the raw arcs with a call
  * order field.  The order is the order is a sequence number for the order each
  * call site was executed.  Raw_order values start at 1 not zero.  Other than
  * the raw_order field this is the same information as in the rawarc_t.
  */

-#define GMONTYPE_ARCS_ORDERS   3
+#define GMONTYPE_ARCS_ORDERS    3

 struct rawarc_order {
 struct rawarc_order {

-    uint32_t   raw_frompc;
-    uint32_t   raw_selfpc;
-    uint32_t   raw_count;
-    uint32_t   raw_order;
-
+       uint32_t    raw_frompc;
+       uint32_t    raw_selfpc;
+       uint32_t    raw_count;
+       uint32_t    raw_order;

 }; struct rawarc_order_64 {
 }; struct rawarc_order_64 {

-    uint64_t   raw_frompc;
-    uint64_t   raw_selfpc;
-    uint32_t   raw_count;
-    uint32_t   raw_order;
+       uint64_t    raw_frompc;
+       uint64_t    raw_selfpc;
+       uint32_t    raw_count;
+       uint32_t    raw_order;

 };
 
 typedef struct
 #ifndef __LP64__
 };
 
 typedef struct
 #ifndef __LP64__

-        rawarc_order
+    rawarc_order

 #else
 #else

-        rawarc_order_64
+    rawarc_order_64

 #endif
 #endif

-rawarc_order_t;
+    rawarc_order_t;

 
 /*
  * The GMONTYPE_DYLD_STATE gmon_data.type is for the dynamic link editor state
  * of the program.
  * The informations starts with an uint32_t with the count of states:
  *      image_count
 
 /*
  * The GMONTYPE_DYLD_STATE gmon_data.type is for the dynamic link editor state
  * of the program.
  * The informations starts with an uint32_t with the count of states:
  *      image_count

- * Then each state follows in the file.  The state is made up of 
+ * Then each state follows in the file.  The state is made up of

  *      vmaddr_slide (the amount dyld slid this image from it's vmaddress)
  *      name (the file name dyld loaded this image from)
  * The vmaddr_slide is a 32-bit value for 32-bit programs and 64-bit value for
  *      vmaddr_slide (the amount dyld slid this image from it's vmaddress)
  *      name (the file name dyld loaded this image from)
  * The vmaddr_slide is a 32-bit value for 32-bit programs and 64-bit value for


@@ -314,7 +288,7 @@ rawarc_order_t;
  * of the program.
  * The informations starts with an uint32_t with the count of states:
  *      image_count
  * of the program.
  * The informations starts with an uint32_t with the count of states:
  *      image_count

- * Then each state follows in the file.  The state is made up of 
+ * Then each state follows in the file.  The state is made up of

  *      image_header (the address where dyld loaded this image)
  *      name (the file name dyld loaded this image from)
  * The image_header is a 32-bit value for 32-bit programs and 64-bit value for
  *      image_header (the address where dyld loaded this image)
  *      name (the file name dyld loaded this image from)
  * The image_header is a 32-bit value for 32-bit programs and 64-bit value for