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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-06-03 17:24:03 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-06-03 17:24:03 +0200
commitc0f118c8869b9095612dfcc4a279e957b67a8efa (patch)
tree67ae192b40c6e52c6b32de596f89c127b69fa22d /libc/sysdeps/linux/powerpc/sys/ucontext.h
parent493d0cc28b0d0fa1dc571ffc876b554376ccdd47 (diff)
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.
Diffstat (limited to 'libc/sysdeps/linux/powerpc/sys/ucontext.h')
-rw-r--r--libc/sysdeps/linux/powerpc/sys/ucontext.h78
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 */