xref: /OK3568_Linux_fs/u-boot/arch/arm/include/asm/setjmp.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
3*4882a593Smuzhiyun  * (C) Copyright 2016 Alexander Graf <agraf@suse.de>
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
6*4882a593Smuzhiyun  */
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #ifndef _SETJMP_H_
9*4882a593Smuzhiyun #define _SETJMP_H_	1
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun /*
12*4882a593Smuzhiyun  * This really should be opaque, but the EFI implementation wrongly
13*4882a593Smuzhiyun  * assumes that a 'struct jmp_buf_data' is defined.
14*4882a593Smuzhiyun  */
15*4882a593Smuzhiyun struct jmp_buf_data {
16*4882a593Smuzhiyun #if defined(__aarch64__)
17*4882a593Smuzhiyun 	u64  regs[13];
18*4882a593Smuzhiyun #else
19*4882a593Smuzhiyun 	u32  regs[10];  /* r4-r9, sl, fp, sp, lr */
20*4882a593Smuzhiyun #endif
21*4882a593Smuzhiyun };
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun typedef struct jmp_buf_data jmp_buf[1];
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun int setjmp(jmp_buf jmp);
26*4882a593Smuzhiyun void longjmp(jmp_buf jmp, int ret);
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #endif /* _SETJMP_H_ */
29