(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.

3 files changed, 30 insertions, 177 deletions

diff --git a/sysdeps/powerpc/bits/link.h b/sysdeps/powerpc/bits/link.h
deleted file mode 100644
index 6c6f6042a1..0000000000
--- a/sysdeps/powerpc/bits/link.h
+++ /dev/null
@@ -1,111 +0,0 @@
-/* Machine-specific declarations for dynamic linker interface.  PowerPC version
-   Copyright (C) 2004, 2005 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef	_LINK_H
-# error "Never include <bits/link.h> directly; use <link.h> instead."
-#endif
-
-
-#if __ELF_NATIVE_CLASS == 32
-
-/* Registers for entry into PLT on PPC32.  */
-typedef struct La_ppc32_regs
-{
-  uint32_t lr_reg[8];
-  double lr_fp[8];
-  uint32_t lr_vreg[12][4];
-  uint32_t lr_r1;
-  uint32_t lr_lr;
-} La_ppc32_regs;
-
-/* Return values for calls from PLT on PPC32.  */
-typedef struct La_ppc32_retval
-{
-  uint32_t lrv_r3;
-  uint32_t lrv_r4;
-  double lrv_fp[8];
-  uint32_t lrv_v2[4];
-} La_ppc32_retval;
-
-
-__BEGIN_DECLS
-
-extern Elf32_Addr la_ppc32_gnu_pltenter (Elf32_Sym *__sym,
-					 unsigned int __ndx,
-					 uintptr_t *__refcook,
-					 uintptr_t *__defcook,
-					 La_ppc32_regs *__regs,
-					 unsigned int *__flags,
-					 const char *__symname,
-					 long int *__framesizep);
-extern unsigned int la_ppc32_gnu_pltexit (Elf32_Sym *__sym,
-					  unsigned int __ndx,
-					  uintptr_t *__refcook,
-					  uintptr_t *__defcook,
-					  const La_ppc32_regs *__inregs,
-					  La_ppc32_retval *__outregs,
-					  const char *symname);
-
-__END_DECLS
-
-#else
-
-/* Registers for entry into PLT on PPC64.  */
-typedef struct La_ppc64_regs
-{
-  uint64_t lr_reg[8];
-  double lr_fp[13];
-  uint32_t __padding;
-  uint32_t lr_vrsave;
-  uint32_t lr_vreg[12][4];
-  uint64_t lr_r1;
-  uint64_t lr_lr;
-} La_ppc64_regs;
-
-/* Return values for calls from PLT on PPC64.  */
-typedef struct La_ppc64_retval
-{
-  uint64_t lrv_r3;
-  uint64_t lrv_r4;
-  double lrv_fp[4];	/* f1-f4, float - complex long double.  */
-  uint32_t lrv_v2[4];	/* v2.  */ 
-} La_ppc64_retval;
-
-
-__BEGIN_DECLS
-
-extern Elf64_Addr la_ppc64_gnu_pltenter (Elf64_Sym *__sym,
-					 unsigned int __ndx,
-					 uintptr_t *__refcook,
-					 uintptr_t *__defcook,
-					 La_ppc64_regs *__regs,
-					 unsigned int *__flags,
-					 const char *__symname,
-					 long int *__framesizep);
-extern unsigned int la_ppc64_gnu_pltexit (Elf64_Sym *__sym,
-					  unsigned int __ndx,
-					  uintptr_t *__refcook,
-					  uintptr_t *__defcook,
-					  const La_ppc64_regs *__inregs,
-					  La_ppc64_retval *__outregs,
-					  const char *symname);
-
-__END_DECLS
-
-#endif
diff --git a/sysdeps/powerpc/bits/mathdef.h b/sysdeps/powerpc/bits/mathdef.h
deleted file mode 100644
index b79cc6ff96..0000000000
--- a/sysdeps/powerpc/bits/mathdef.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/* Copyright (C) 1997,1998,1999,2000,2003,2004,2006
-	Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#if !defined _MATH_H && !defined _COMPLEX_H
-# error "Never use <bits/mathdef.h> directly; include <math.h> instead"
-#endif
-
-
-/* FIXME! This file describes properties of the compiler, not the machine;
-   it should not be part of libc!
-
-   FIXME! This file does not deal with the -fshort-double option of
-   gcc! */
-
-#if defined __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
-# define _MATH_H_MATHDEF	1
-
-# ifdef __GNUC__
-#  if __STDC__ == 1
-
-/* In GNU or ANSI mode, gcc leaves `float' expressions as-is.  */
-typedef float float_t;		/* `float' expressions are evaluated as
-				   `float'.  */
-typedef double double_t;	/* `double' expressions are evaluated as
-				   `double'.  */
-
-#  else
-
-/* For `gcc -traditional', `float' expressions are evaluated as `double'. */
-typedef double float_t;		/* `float' expressions are evaluated as
-				   `double'.  */
-typedef double double_t;	/* `double' expressions are evaluated as
-				   `double'.  */
-
-#  endif
-# else
-
-/* Wild guess at types for float_t and double_t. */
-typedef double float_t;
-typedef double double_t;
-
-# endif
-
-/* The values returned by `ilogb' for 0 and NaN respectively.  */
-# define FP_ILOGB0	(-2147483647)
-# define FP_ILOGBNAN	(2147483647)
-
-#endif	/* ISO C99 */
diff --git a/sysdeps/powerpc/bits/setjmp.h b/sysdeps/powerpc/bits/setjmp.h
index 9c3e22abac..3134916a51 100644
--- a/sysdeps/powerpc/bits/setjmp.h
+++ b/sysdeps/powerpc/bits/setjmp.h
@@ -1,5 +1,4 @@
-/* Copyright (C) 1997,1998,2000,2003,2004,2005,2006
-	Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2000, 2003, 2004 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -32,6 +31,30 @@
 
 #include <bits/wordsize.h>
 
+#if defined __USE_MISC || defined _ASM
+# define JB_GPR1   0  /* Also known as the stack pointer */
+# define JB_GPR2   1
+# define JB_LR     2  /* The address we will return to */
+# if __WORDSIZE == 64
+#  define JB_GPRS   3  /* GPRs 14 through 31 are saved, 18*2 words total.  */
+#  define JB_CR     21 /* Condition code registers with the VRSAVE at */
+                       /* offset 172 (low half of the double word.  */
+#  define JB_FPRS   22 /* FPRs 14 through 31 are saved, 18*2 words total.  */
+#  define JB_SIZE   (64 * 8) /* As per PPC64-VMX ABI.  */
+#  define JB_VRSAVE 21 /* VRSAVE shares a double word with the CR at offset */
+                       /* 168 (high half of the double word).  */
+#  define JB_VRS    40 /* VRs 20 through 31 are saved, 12*4 words total.  */
+# else
+#  define JB_GPRS   3  /* GPRs 14 through 31 are saved, 18 in total.  */
+#  define JB_CR     21 /* Condition code registers.  */
+#  define JB_FPRS   22 /* FPRs 14 through 31 are saved, 18*2 words total.  */
+#  define JB_SIZE   ((64 + (12 * 4)) * 4)
+#  define JB_VRSAVE 62
+#  define JB_VRS    64
+# endif
+#endif
+
+
 /* The current powerpc 32-bit Altivec ABI specifies for SVR4 ABI and EABI
    the vrsave must be at byte 248 & v20 at byte 256.  So we must pad this
    correctly on 32 bit.  It also insists that vecregs are only gauranteed
@@ -49,4 +72,9 @@ typedef long int __jmp_buf[64 + (12 * 4)] __attribute__ ((__aligned__ (16)));
 # endif
 #endif
 
+/* Test if longjmp to JMPBUF would unwind the frame
+   containing a local variable at ADDRESS.  */
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) < (void *) (jmpbuf)[JB_GPR1])
+
 #endif  /* bits/setjmp.h */