lib/libsetjmp/setjmp.h

   1 #ifndef _SETJMP_H_
   2 #define _SETJMP_H_
   3
   4 /* Combined parts of include/setjmp.h and include/machine/setjmp.h in
   5  * newlib 1.17.0, with minor changes for Rockbox.
   6  */
   7
   8 #include "config.h"
   9 #ifdef CPU_ARM
  10 /*
  11  * All callee preserved registers:
  12  * v1 - v7, fp, ip, sp, lr, f4, f5, f6, f7
  13  */
  14 #define _JBLEN 23
  15 #endif
  16
  17 /* necv70 was 9 as well. */
  18
  19 #ifdef CPU_COLDFIRE
  20 /*
  21  * onsstack,sigmask,sp,pc,psl,d2-d7,a2-a6,
  22  * fp2-fp7  for 68881.
  23  * All else recovered by under/over(flow) handling.
  24  */
  25 #define _JBLEN  34
  26 #endif
  27
  28 #ifdef CPU_MIPS
  29 #if CPU_MIPS == 64
  30 #define _JBTYPE long long
  31 #endif
  32 #ifdef __mips_soft_float
  33 #define _JBLEN 11
  34 #else
  35 #define _JBLEN 23
  36 #endif
  37 #endif
  38
  39 #ifdef  CPU_SH
  40 #define __SH5__ 0
  41 #if __SH5__
  42 #define _JBLEN 50
  43 #define _JBTYPE long long
  44 #else
  45 /* r8 through r15 (callee saved), pr, fp regs if available */
  46 #define _JBLEN 20
  47 #endif /* __SH5__ */
  48 #endif
  49
  50 #ifdef _JBLEN
  51 #ifdef _JBTYPE
  52 typedef _JBTYPE jmp_buf[_JBLEN];
  53 #else
  54 typedef int jmp_buf[_JBLEN];
  55 #endif
  56 #else
  57 typedef int jmp_buf;
  58 #endif
  59
  60
  61 extern void longjmp(jmp_buf __jmpb, int __retval);
  62 extern int  setjmp(jmp_buf __jmpb);
  63
  64 #endif // _SETJMP_H_