mirror of
https://github.com/darlinghq/darling-xnu.git
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82 lines
3.0 KiB
C
82 lines
3.0 KiB
C
/*
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* Copyright (c) 2011-2019 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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#ifndef KPERF_CALLSTACK_H
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#define KPERF_CALLSTACK_H
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#define MAX_KCALLSTACK_FRAMES (128)
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#define MAX_UCALLSTACK_FRAMES (256)
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/* the callstack contains valid data */
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#define CALLSTACK_VALID (1U << 0)
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/* the callstack has been deferred */
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#define CALLSTACK_DEFERRED (1U << 1)
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/* the callstack is 64-bit */
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#define CALLSTACK_64BIT (1U << 2)
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/* the callstack is from the kernel */
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#define CALLSTACK_KERNEL (1U << 3)
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/* the callstack was cut off */
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#define CALLSTACK_TRUNCATED (1U << 4)
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/* the callstack is only holding a continuation "frame" */
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#define CALLSTACK_CONTINUATION (1U << 5)
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/* the frames field is filled with uintptr_t, not uint64_t */
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#define CALLSTACK_KERNEL_WORDS (1U << 6)
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/* the frames come from a translated task */
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#define CALLSTACK_TRANSLATED (1U << 7)
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/* the last frame could be the real PC */
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#define CALLSTACK_FIXUP_PC (1U << 8)
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struct kp_ucallstack {
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uint32_t kpuc_flags;
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uint32_t kpuc_nframes;
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uintptr_t kpuc_frames[MAX_UCALLSTACK_FRAMES];
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};
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struct kp_kcallstack {
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uint32_t kpkc_flags;
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uint32_t kpkc_nframes;
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union {
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uintptr_t kpkc_word_frames[MAX_KCALLSTACK_FRAMES];
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uint64_t kpkc_frames[MAX_KCALLSTACK_FRAMES];
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};
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};
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struct kperf_context;
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void kperf_kcallstack_sample(struct kp_kcallstack *cs, struct kperf_context *);
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void kperf_kcallstack_log(struct kp_kcallstack *cs);
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void kperf_continuation_sample(struct kp_kcallstack *cs, struct kperf_context *);
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void kperf_backtrace_sample(struct kp_kcallstack *cs, struct kperf_context *context);
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void kperf_ucallstack_sample(struct kp_ucallstack *cs, struct kperf_context *);
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int kperf_ucallstack_pend(struct kperf_context *, uint32_t depth,
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unsigned int actionid);
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void kperf_ucallstack_log(struct kp_ucallstack *cs);
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#endif /* !defined(KPERF_CALLSTACK_H) */
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