Kernel Panic Interface

include/console/panic.h View source View on GitHub

Functions

panic_impl_msg

void panic_impl_msg(
    const char *file,
    int line,
    const char *func,
    const char *fmt
)

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panic_impl_code

void panic_impl_code(
    const char *file,
    int line,
    const char *func,
    const struct crash_code *code,
    const char *fmt
)

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panic_impl_code_only

void panic_impl_code_only(
    const char *file,
    int line,
    const char *func,
    const struct crash_code *code
)

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Macros

_panic_pick

#define _panic_pick(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, \ _13, _14, _15, _16, NAME, ...)

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Expansion

#define _panic_pick(_0, _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, _11, _12, \
                    _13, _14, _15, _16, NAME, ...) \
    NAME

_panic_arity

#define _panic_arity(...)

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Expansion

#define _panic_arity(...) \
    _panic_pick(_, ##__VA_ARGS__, _panic_n, _panic_n, _panic_n, _panic_n, \
                _panic_n, _panic_n, _panic_n, _panic_n, _panic_n, _panic_n, \
                _panic_n, _panic_n, _panic_n, _panic_n, _panic_n, _panic_1, \
                _panic_0)

_panic_fn

#define _panic_fn(a, code_fn)

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Expansion

#define _panic_fn(a, code_fn) \
    cc_generic((a), char * : panic_impl_msg, const char * : panic_impl_msg, \
               default : code_fn)

_panic_0

#define _panic_0()

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panic()

Expansion

#define _panic_0() panic_impl_code_only(__FILE__, __LINE__, __func__, NULL)

_panic_1

#define _panic_1(a)

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panic("msg")
panic(INVALID_STATE)
panic((asan, RUNTIME))

more about CRASH_CODE_ARG in console/crash.h

Expansion

#define _panic_1(a) \
    CRASH_CODE_SCOPED(a, _panic_fn(CRASH_CODE_ARG(a), panic_impl_code_only)( \
                             __FILE__, __LINE__, __func__, CRASH_CODE_ARG(a)))

_panic_n

#define _panic_n(a, ...)

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panic("msg %d", 12)
panic(INVALID_STATE, "msg %d", 12)
panic((asan, RUNTIME), "msg %d", 12)

Expansion

#define _panic_n(a, ...) \
    CRASH_CODE_SCOPED( \
        a, _panic_fn(CRASH_CODE_ARG(a), panic_impl_code)( \
               __FILE__, __LINE__, __func__, CRASH_CODE_ARG(a), __VA_ARGS__))

panic

#define panic(...)

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Expansion

#define panic(...) _panic_arity(__VA_ARGS__)(__VA_ARGS__)