threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_KCOV_H
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#define _LINUX_KCOV_H
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#include <uapi/linux/kcov.h>
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struct task_struct;
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#ifdef CONFIG_KCOV
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enum kcov_mode {
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/* Coverage collection is not enabled yet. */
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KCOV_MODE_DISABLED = 0,
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/* KCOV was initialized, but tracing mode hasn't been chosen yet. */
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KCOV_MODE_INIT = 1,
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/*
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* Tracing coverage collection mode.
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* Covered PCs are collected in a per-task buffer.
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*/
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KCOV_MODE_TRACE_PC = 2,
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/* Collecting comparison operands mode. */
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KCOV_MODE_TRACE_CMP = 3,
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};
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#define KCOV_IN_CTXSW (1 << 30)
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void kcov_task_init(struct task_struct *t);
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void kcov_task_exit(struct task_struct *t);
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#define kcov_prepare_switch(t) \
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do { \
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(t)->kcov_mode |= KCOV_IN_CTXSW; \
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} while (0)
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#define kcov_finish_switch(t) \
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do { \
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(t)->kcov_mode &= ~KCOV_IN_CTXSW; \
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} while (0)
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/* See Documentation/dev-tools/kcov.rst for usage details. */
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void kcov_remote_start(u64 handle);
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void kcov_remote_stop(void);
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u64 kcov_common_handle(void);
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static inline void kcov_remote_start_common(u64 id)
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{
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kcov_remote_start(kcov_remote_handle(KCOV_SUBSYSTEM_COMMON, id));
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}
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static inline void kcov_remote_start_usb(u64 id)
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{
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kcov_remote_start(kcov_remote_handle(KCOV_SUBSYSTEM_USB, id));
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}
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#else
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static inline void kcov_task_init(struct task_struct *t) {}
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static inline void kcov_task_exit(struct task_struct *t) {}
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static inline void kcov_prepare_switch(struct task_struct *t) {}
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static inline void kcov_finish_switch(struct task_struct *t) {}
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static inline void kcov_remote_start(u64 handle) {}
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static inline void kcov_remote_stop(void) {}
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static inline u64 kcov_common_handle(void)
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{
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return 0;
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}
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static inline void kcov_remote_start_common(u64 id) {}
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static inline void kcov_remote_start_usb(u64 id) {}
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#endif /* CONFIG_KCOV */
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#endif /* _LINUX_KCOV_H */
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