rockbox/lib/libsetjmp/setjmp.h
Thomas Martitz 46454ac2a8 Move setjmp to lib and add setjmp for sh (imported from newlib) and compile it as separate library.
It's used by both, plugins and codecs, and sh/hwcodec doesn't compile codecs
so it doesn't fit into sources.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27869 a1c6a512-1295-4272-9138-f99709370657
2010-08-24 12:38:42 +00:00

64 lines
1.1 KiB
C

#ifndef _SETJMP_H_
#define _SETJMP_H_
/* Combined parts of include/setjmp.h and include/machine/setjmp.h in
* newlib 1.17.0, with minor changes for Rockbox.
*/
#include "config.h"
#ifdef CPU_ARM
/*
* All callee preserved registers:
* v1 - v7, fp, ip, sp, lr, f4, f5, f6, f7
*/
#define _JBLEN 23
#endif
/* necv70 was 9 as well. */
#ifdef CPU_COLDFIRE
/*
* onsstack,sigmask,sp,pc,psl,d2-d7,a2-a6,
* fp2-fp7 for 68881.
* All else recovered by under/over(flow) handling.
*/
#define _JBLEN 34
#endif
#ifdef CPU_MIPS
#if CPU_MIPS == 64
#define _JBTYPE long long
#endif
#ifdef __mips_soft_float
#define _JBLEN 11
#else
#define _JBLEN 23
#endif
#endif
#ifdef CPU_SH
#define __SH5__ 0
#if __SH5__
#define _JBLEN 50
#define _JBTYPE long long
#else
/* r8 through r15 (callee saved), pr, fp regs if available */
#define _JBLEN 20
#endif /* __SH5__ */
#endif
#ifdef _JBLEN
#ifdef _JBTYPE
typedef _JBTYPE jmp_buf[_JBLEN];
#else
typedef int jmp_buf[_JBLEN];
#endif
#else
typedef int jmp_buf;
#endif
extern void longjmp(jmp_buf __jmpb, int __retval);
extern int setjmp(jmp_buf __jmpb);
#endif // _SETJMP_H_