36 lines
773 B
C
36 lines
773 B
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* (C) 2018 Google, Inc
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* Written by Simon Glass <sjg@chromium.org>
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*/
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#ifndef _SETJMP_H_
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#define _SETJMP_H_
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struct jmp_buf_data {
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/*
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* We're not sure how long this should be:
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*
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* amd64: 200 bytes
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* arm64: 392 bytes
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* armhf: 392 bytes
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*
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* So allow space for all of those, plus some extra.
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* We don't need to worry about 16-byte alignment, since this does not
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* run on Windows.
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*/
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ulong data[128];
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};
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typedef struct jmp_buf_data jmp_buf[1];
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/*
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* We have to directly link with the system versions of
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* setjmp/longjmp, because setjmp must not return as otherwise
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* the stack may become invalid.
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*/
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int setjmp(jmp_buf jmp);
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__noreturn void longjmp(jmp_buf jmp, int ret);
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#endif /* _SETJMP_H_ */
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