ppc: cleanup unsupported ppc64 code

Remove ppc64 bits and bytes, as we don't support ppc64 and
it makes the code more readable without the dead code.

1 files changed, 0 insertions, 78 deletions

diff --git a/libc/sysdeps/linux/powerpc/sys/ucontext.h b/libc/sysdeps/linux/powerpc/sys/ucontext.h
index 72fbae4f2..fa3cbb68d 100644
--- a/libc/sysdeps/linux/powerpc/sys/ucontext.h
+++ b/libc/sysdeps/linux/powerpc/sys/ucontext.h
@@ -25,8 +25,6 @@
    included in <signal.h>.  */
 #include <bits/sigcontext.h>
 
-#if __WORDSIZE == 32
-
 /* Number of general registers.  */
 # define NGREG	48
 
@@ -59,84 +57,12 @@ typedef struct
 	vrregset_t vrregs __attribute__((__aligned__(16)));
 } mcontext_t;
 
-#else
-
-/* For 64-bit kernels with Altivec support, a machine context is exactly
- * a sigcontext.  For older kernel (without Altivec) the sigcontext matches
- * the mcontext upto but not including the v_regs field.  For kernels that
- * don't AT_HWCAP or return AT_HWCAP without PPC_FEATURE_HAS_ALTIVEC the
- * v_regs field may not exit and should not be referenced.  The v_regd field
- * can be refernced safely only after verifying that PPC_FEATURE_HAS_ALTIVEC
- * is set in AT_HWCAP.  */
-
-/* Number of general registers.  */
-# define NGREG	48	/* includes r0-r31, nip, msr, lr, etc.   */
-# define NFPREG	33	/* includes fp0-fp31 &fpscr.  */
-# define NVRREG	34	/* includes v0-v31, vscr, & vrsave in split vectors */
-
-typedef unsigned long gregset_t[NGREG];
-typedef double fpregset_t[NFPREG];
-
-/* Container for Altivec/VMX Vector Status and Control Register.  Only 32-bits
-   but can only be copied to/from a 128-bit vector register.  So we allocated
-   a whole quadword speedup save/restore.  */
-typedef struct _libc_vscr
-{
-	unsigned int __pad[3];
-	unsigned int vscr_word;
-} vscr_t;
-
-/* Container for Altivec/VMX registers and status.
-   Must to be aligned on a 16-byte boundary. */
-typedef struct _libc_vrstate
-{
-	unsigned int	vrregs[32][4];
-	vscr_t		vscr;
-	unsigned int	vrsave;
-	unsigned int	__pad[3];
-} vrregset_t  __attribute__((__aligned__(16)));
-
-typedef struct {
-	unsigned long	__unused[4];
-	int		signal;
-	int		__pad0;
-	unsigned long	handler;
-	unsigned long	oldmask;
-	struct pt_regs	*regs;
-	gregset_t	gp_regs;
-	fpregset_t	fp_regs;
-/*
- * To maintain compatibility with current implementations the sigcontext is
- * extended by appending a pointer (v_regs) to a quadword type (elf_vrreg_t)
- * followed by an unstructured (vmx_reserve) field of 69 doublewords.  This
- * allows the array of vector registers to be quadword aligned independent of
- * the alignment of the containing sigcontext or ucontext. It is the
- * responsibility of the code setting the sigcontext to set this pointer to
- * either NULL (if this processor does not support the VMX feature) or the
- * address of the first quadword within the allocated (vmx_reserve) area.
- *
- * The pointer (v_regs) of vector type (elf_vrreg_t) is essentually
- * an array of 34 quadword entries.  The entries with
- * indexes 0-31 contain the corresponding vector registers.  The entry with
- * index 32 contains the vscr as the last word (offset 12) within the
- * quadword.  This allows the vscr to be stored as either a quadword (since
- * it must be copied via a vector register to/from storage) or as a word.
- * The entry with index 33 contains the vrsave as the first word (offset 0)
- * within the quadword.
- */
-	vrregset_t	*v_regs;
-	long		vmx_reserve[NVRREG+NVRREG+1];
-} mcontext_t;
-
-#endif
-
 /* Userlevel context.  */
 typedef struct ucontext
   {
     unsigned long int uc_flags;
     struct ucontext *uc_link;
     stack_t uc_stack;
-#if __WORDSIZE == 32
     /*
      * These fields are set up this way to maximize source and
      * binary compatibility with code written for the old
@@ -167,10 +93,6 @@ typedef struct ucontext
     } uc_mcontext;
     sigset_t    uc_sigmask;
     char uc_reg_space[sizeof(mcontext_t) + 12];  /* last for extensibility */
-#else /* 64-bit */
-    sigset_t    uc_sigmask;
-    mcontext_t  uc_mcontext;  /* last for extensibility */
-#endif
   } ucontext_t;
 
 #endif /* sys/ucontext.h */