* m68k.c (m68k_output_function_prologue,

	m68k_output_function_epilogue): Delete versions for DPX2/MOTOROLA
	and NEWS/MOTOROLA.
	* genattrtab.c: Remove dpx2 comment.
	* libgcc2.c (__enable_execute_stack): Delete versions for
	NeXT/__MACH__, __convex__, __sysV88__, __pyr__ and
	sony_news/SYSTYPE_BSD.
	* longlong.h: Delete code for __a29k__, _AM29K, __clipper__,
	__gmicro__, __i860__, __NeXT__ and __pyr__.
	* rtl.h: Remove convex comment.
	* varasm.c: Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@56272 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 147 deletions

diff --git a/gcc/libgcc2.c b/gcc/libgcc2.c
index f9d7f60bc2f..c88b24f2bcf 100644
--- a/gcc/libgcc2.c
+++ b/gcc/libgcc2.c
@@ -1732,102 +1732,6 @@ mprotect (char *addr, int len, int prot)
 TRANSFER_FROM_TRAMPOLINE
 #endif
 
-#if defined (NeXT) && defined (__MACH__)
-
-/* Make stack executable so we can call trampolines on stack.
-   This is called from INITIALIZE_TRAMPOLINE in next.h.  */
-#ifdef NeXTStep21
- #include <mach.h>
-#else
- #include <mach/mach.h>
-#endif
-
-void
-__enable_execute_stack (char *addr)
-{
-  kern_return_t r;
-  char *eaddr = addr + TRAMPOLINE_SIZE;
-  vm_address_t a = (vm_address_t) addr;
-
-  /* turn on execute access on stack */
-  r = vm_protect (task_self (), a, TRAMPOLINE_SIZE, FALSE, VM_PROT_ALL);
-  if (r != KERN_SUCCESS)
-    {
-      mach_error("vm_protect VM_PROT_ALL", r);
-      exit(1);
-    }
-
-  /* We inline the i-cache invalidation for speed */
-
-#ifdef CLEAR_INSN_CACHE
-  CLEAR_INSN_CACHE (addr, eaddr);
-#else
-  __clear_cache ((int) addr, (int) eaddr);
-#endif
-}
-
-#endif /* defined (NeXT) && defined (__MACH__) */
-
-#ifdef __convex__
-
-/* Make stack executable so we can call trampolines on stack.
-   This is called from INITIALIZE_TRAMPOLINE in convex.h.  */
-
-#include <sys/mman.h>
-#include <sys/vmparam.h>
-#include <machine/machparam.h>
-
-void
-__enable_execute_stack (void)
-{
-  int fp;
-  static unsigned lowest = USRSTACK;
-  unsigned current = (unsigned) &fp & -NBPG;
-
-  if (lowest > current)
-    {
-      unsigned len = lowest - current;
-      mremap (current, &len, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE);
-      lowest = current;
-    }
-
-  /* Clear instruction cache in case an old trampoline is in it.  */
-  asm ("pich");
-}
-#endif /* __convex__ */
-
-#ifdef __sysV88__
-
-/* Modified from the convex -code above.  */
-
-#include <sys/param.h>
-#include <errno.h>
-#include <sys/m88kbcs.h>
-
-void
-__enable_execute_stack (void)
-{
-  int save_errno;
-  static unsigned long lowest = USRSTACK;
-  unsigned long current = (unsigned long) &save_errno & -NBPC;
-
-  /* Ignore errno being set. memctl sets errno to EINVAL whenever the
-     address is seen as 'negative'. That is the case with the stack.  */
-
-  save_errno=errno;
-  if (lowest > current)
-    {
-      unsigned len=lowest-current;
-      memctl(current,len,MCT_TEXT);
-      lowest = current;
-    }
-  else
-    memctl(current,NBPC,MCT_TEXT);
-  errno=save_errno;
-}
-
-#endif /* __sysV88__ */
-
 #ifdef __sysV68__
 
 #include <sys/signal.h>
@@ -1872,57 +1776,6 @@ __clear_insn_cache (void)
 }
 
 #endif /* __sysV68__ */
-
-#ifdef __pyr__
-
-#undef NULL /* Avoid errors if stdio.h and our stddef.h mismatch.  */
-#include <stdio.h>
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/vmmac.h>
-
-/* Modified from the convex -code above.
-   mremap promises to clear the i-cache.  */
-
-void
-__enable_execute_stack (void)
-{
-  int fp;
-  if (mprotect (((unsigned int)&fp/PAGSIZ)*PAGSIZ, PAGSIZ,
-		PROT_READ|PROT_WRITE|PROT_EXEC))
-    {
-      perror ("mprotect in __enable_execute_stack");
-      fflush (stderr);
-      abort ();
-    }
-}
-#endif /* __pyr__ */
-
-#if defined (sony_news) && defined (SYSTYPE_BSD)
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/param.h>
-#include <syscall.h>
-#include <machine/sysnews.h>
-
-/* cacheflush function for NEWS-OS 4.2.
-   This function is called from trampoline-initialize code
-   defined in config/mips/mips.h.  */
-
-void
-cacheflush (char *beg, int size, int flag)
-{
-  if (syscall (SYS_sysnews, NEWS_CACHEFLUSH, beg, size, FLUSH_BCACHE))
-    {
-      perror ("cache_flush");
-      fflush (stderr);
-      abort ();
-    }
-}
-
-#endif /* sony_news */
 #endif /* L_trampoline */
 
 #ifndef __CYGWIN__