diff options
Diffstat (limited to 'newlib/libc/include/machine')
| -rw-r--r-- | newlib/libc/include/machine/ieeefp.h | 8 | ||||
| -rw-r--r-- | newlib/libc/include/machine/setjmp.h | 18 |
2 files changed, 26 insertions, 0 deletions
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h index f8795c072..bf6060c53 100644 --- a/newlib/libc/include/machine/ieeefp.h +++ b/newlib/libc/include/machine/ieeefp.h @@ -388,6 +388,14 @@ #define __SMALL_BITFIELDS /* 16 Bit INT */ #endif +#ifdef __NIOS2__ +# ifdef __nios2_big_endian__ +# define __IEEE_BIG_ENDIAN +# else +# define __IEEE_LITTLE_ENDIAN +# endif +#endif + #ifndef __IEEE_BIG_ENDIAN #ifndef __IEEE_LITTLE_ENDIAN #error Endianess not declared!! diff --git a/newlib/libc/include/machine/setjmp.h b/newlib/libc/include/machine/setjmp.h index 97749c0cb..1c68ce45c 100644 --- a/newlib/libc/include/machine/setjmp.h +++ b/newlib/libc/include/machine/setjmp.h @@ -287,6 +287,24 @@ _BEGIN_STD_C #define _JBTYPE unsigned char #endif +/* + * There are two versions of setjmp()/longjmp(): + * 1) Compiler (gcc) built-in versions. + * 2) Function-call versions. + * + * The built-in versions are used most of the time. When used, gcc replaces + * calls to setjmp()/longjmp() with inline assembly code. The built-in + * versions save/restore a variable number of registers. + + * _JBLEN is set to 40 to be ultra-safe with the built-in versions. + * It only needs to be 12 for the function-call versions + * but this data structure is used by both versions. + */ +#ifdef __NIOS2__ +#define _JBLEN 40 +#define _JBTYPE unsigned long +#endif + #ifdef __RX__ #define _JBLEN 0x44 #endif |