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25 lines
935 B
C
25 lines
935 B
C
#ifndef COSMOPOLITAN_LIBC_LOG_BACKTRACE_H_
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#define COSMOPOLITAN_LIBC_LOG_BACKTRACE_H_
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#include "libc/nexgen32e/stackframe.h"
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#include "libc/runtime/memtrack.internal.h"
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#include "libc/runtime/symbols.internal.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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forceinline pureconst bool IsValidStackFramePointer(struct StackFrame *x) {
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/* assumes __mmi_lock() is held */
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return IsLegalPointer(x) && !((uintptr_t)x & 15) &&
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(IsStaticStackFrame((uintptr_t)x >> 16) ||
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IsOldStackFrame((uintptr_t)x >> 16) ||
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/* lua coroutines need this */
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IsMemtracked((uintptr_t)x >> 16, (uintptr_t)x >> 16));
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}
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void ShowBacktrace(int, const struct StackFrame *);
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int PrintBacktraceUsingSymbols(int, const struct StackFrame *,
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struct SymbolTable *);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_LOG_BACKTRACE_H_ */
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