diff options
Diffstat (limited to 'sysdeps/alpha')
-rw-r--r-- | sysdeps/alpha/bits/endian.h | 4 | ||||
-rw-r--r-- | sysdeps/alpha/bits/setjmp.h | 40 | ||||
-rw-r--r-- | sysdeps/alpha/fpu/bits/fenv.h | 17 |
3 files changed, 34 insertions, 27 deletions
diff --git a/sysdeps/alpha/bits/endian.h b/sysdeps/alpha/bits/endian.h index e873d2123c..8a16e14e24 100644 --- a/sysdeps/alpha/bits/endian.h +++ b/sysdeps/alpha/bits/endian.h @@ -1,3 +1,7 @@ /* Alpha is little-endian. */ +#ifndef _ENDIAN_H +# error "Never use <bits/endian.h> directly; include <endian.h> instead." +#endif + #define __BYTE_ORDER __LITTLE_ENDIAN diff --git a/sysdeps/alpha/bits/setjmp.h b/sysdeps/alpha/bits/setjmp.h index 9aa30463d6..de37019218 100644 --- a/sysdeps/alpha/bits/setjmp.h +++ b/sysdeps/alpha/bits/setjmp.h @@ -17,6 +17,10 @@ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +#ifndef _SETJMP_H +# error "Never include <bits/setjmp.h> directly; use <setjmp.h> instead." +#endif + /* The previous bits/setjmp.h had __jmp_buf defined as a structure. We use an array of 'long int' instead, to make writing the assembler easier. Naturally, user code should not depend on @@ -48,24 +52,24 @@ * registers. */ -#if defined(__USE_MISC) || defined(__ASSEMBLY__) -#define JB_S0 0 -#define JB_S1 1 -#define JB_S2 2 -#define JB_S3 3 -#define JB_S4 4 -#define JB_S5 5 -#define JB_PC 6 -#define JB_FP 7 -#define JB_SP 8 -#define JB_F2 9 -#define JB_F3 10 -#define JB_F4 11 -#define JB_F5 12 -#define JB_F6 13 -#define JB_F7 14 -#define JB_F8 15 -#define JB_F9 16 +#if defined __USE_MISC || defined __ASSEMBLY__ +# define JB_S0 0 +# define JB_S1 1 +# define JB_S2 2 +# define JB_S3 3 +# define JB_S4 4 +# define JB_S5 5 +# define JB_PC 6 +# define JB_FP 7 +# define JB_SP 8 +# define JB_F2 9 +# define JB_F3 10 +# define JB_F4 11 +# define JB_F5 12 +# define JB_F6 13 +# define JB_F7 14 +# define JB_F8 15 +# define JB_F9 16 #endif #ifndef __ASSEMBLY__ diff --git a/sysdeps/alpha/fpu/bits/fenv.h b/sysdeps/alpha/fpu/bits/fenv.h index 7cb0e3e543..4482f0a2dd 100644 --- a/sysdeps/alpha/fpu/bits/fenv.h +++ b/sysdeps/alpha/fpu/bits/fenv.h @@ -1,6 +1,5 @@ /* Copyright (C) 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Richard Henderson <rth@tamu.edu>, 1997 The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as @@ -18,7 +17,7 @@ Boston, MA 02111-1307, USA. */ #ifndef _FENV_H -#error "Never use <bits/fenv.h> directly; include <fenv.h> instead." +# error "Never use <bits/fenv.h> directly; include <fenv.h> instead." #endif @@ -51,20 +50,20 @@ enum FE_INVALID = 1UL << 17, #define FE_INVALID FE_INVALID - + FE_ALL_EXCEPT = (FE_INEXACT | FE_DIVBYZERO | FE_UNDERFLOW | FE_OVERFLOW | FE_INVALID) -#define FE_ALL_EXCEPT FE_ALL_EXCEPT +#define FE_ALL_EXCEPT FE_ALL_EXCEPT }; -/* Alpha chips support all four defined rouding modes. +/* Alpha chips support all four defined rouding modes. Note that code must be compiled to use dynamic rounding (/d) instructions to see these changes. For gcc this is -mfp-rounding-mode=d; for DEC cc - this is -fprm d. The default for both is static rounding to nearest. + this is -fprm d. The default for both is static rounding to nearest. - These are shifted down 58 bits from the hardware fpcr because the + These are shifted down 58 bits from the hardware fpcr because the functions are declared to take integers. */ enum @@ -100,5 +99,5 @@ typedef unsigned long fenv_t; #endif /* The system calls to talk to the kernel's FP code. */ -extern unsigned long __ieee_get_fp_control(void); -extern void __ieee_set_fp_control(unsigned long); +extern unsigned long int __ieee_get_fp_control __P ((void)); +extern void __ieee_set_fp_control __P ((unsigned long int __value)); |