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@@ -1,4 +1,5 @@
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-/* Copyright (C) 1997, 1998, 2000, 2003, 2004 Free Software Foundation, Inc.
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+/* Copyright (C) 1997,1998,2000,2003,2004,2005,2006
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+ Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@@ -31,30 +32,6 @@
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#include <bits/wordsize.h>
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-#if defined __USE_MISC || defined _ASM
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-# define JB_GPR1 0 /* Also known as the stack pointer */
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-# define JB_GPR2 1
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-# define JB_LR 2 /* The address we will return to */
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-# if __WORDSIZE == 64
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-# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18*2 words total. */
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-# define JB_CR 21 /* Condition code registers with the VRSAVE at */
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- /* offset 172 (low half of the double word. */
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-# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
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-# define JB_SIZE (64 * 8) /* As per PPC64-VMX ABI. */
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-# define JB_VRSAVE 21 /* VRSAVE shares a double word with the CR at offset */
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- /* 168 (high half of the double word). */
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-# define JB_VRS 40 /* VRs 20 through 31 are saved, 12*4 words total. */
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-# else
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-# define JB_GPRS 3 /* GPRs 14 through 31 are saved, 18 in total. */
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-# define JB_CR 21 /* Condition code registers. */
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-# define JB_FPRS 22 /* FPRs 14 through 31 are saved, 18*2 words total. */
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-# define JB_SIZE ((64 + (12 * 4)) * 4)
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-# define JB_VRSAVE 62
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-# define JB_VRS 64
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-# endif
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-#endif
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-
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-
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/* The current powerpc 32-bit Altivec ABI specifies for SVR4 ABI and EABI
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the vrsave must be at byte 248 & v20 at byte 256. So we must pad this
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correctly on 32 bit. It also insists that vecregs are only gauranteed
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@@ -62,19 +39,12 @@
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We have to version the code because members like int __mask_was_saved
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in the jmp_buf will move as jmp_buf is now larger than 248 bytes. We
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cannot keep the altivec jmp_buf backward compatible with the jmp_buf. */
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-#ifndef _ASM
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-# if __WORDSIZE == 64
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+#if __WORDSIZE == 64
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typedef long int __jmp_buf[64] __attribute__ ((__aligned__ (16)));
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-# else
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+#else
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/* The alignment is not essential, i.e.the buffer can be copied to a 4 byte
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aligned buffer as per the ABI it is just added for performance reasons. */
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typedef long int __jmp_buf[64 + (12 * 4)] __attribute__ ((__aligned__ (16)));
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-# endif
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#endif
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-/* Test if longjmp to JMPBUF would unwind the frame
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- containing a local variable at ADDRESS. */
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-#define _JMPBUF_UNWINDS(jmpbuf, address) \
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- ((void *) (address) < (void *) (jmpbuf)[JB_GPR1])
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-
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-#endif /* bits/setjmp.h */
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+#endif /* bits/setjmp.h */
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