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52 lines
1.4 KiB
C
52 lines
1.4 KiB
C
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//===------------------------- Unwind-EHABI.hpp ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//
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//===----------------------------------------------------------------------===//
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#ifndef __UNWIND_EHABI_H__
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#define __UNWIND_EHABI_H__
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#include <__libunwind_config.h>
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#if defined(_LIBUNWIND_ARM_EHABI)
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#include <stdint.h>
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#include <unwind.h>
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// Unable to unwind in the ARM index table (section 5 EHABI).
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#define UNW_EXIDX_CANTUNWIND 0x1
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static inline uint32_t signExtendPrel31(uint32_t data) {
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return data | ((data & 0x40000000u) << 1);
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}
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static inline uint32_t readPrel31(const uint32_t *data) {
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return (((uint32_t)(uintptr_t)data) + signExtendPrel31(*data));
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}
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#if defined(__cplusplus)
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extern "C" {
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#endif
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extern _Unwind_Reason_Code __aeabi_unwind_cpp_pr0(
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_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context);
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extern _Unwind_Reason_Code __aeabi_unwind_cpp_pr1(
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_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context);
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extern _Unwind_Reason_Code __aeabi_unwind_cpp_pr2(
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_Unwind_State state, _Unwind_Control_Block *ucbp, _Unwind_Context *context);
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#if defined(__cplusplus)
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} // extern "C"
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#endif
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#endif // defined(_LIBUNWIND_ARM_EHABI)
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#endif // __UNWIND_EHABI_H__
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