2.5-18.1

2 files changed, 0 insertions, 324 deletions

diff --git a/sysdeps/mach/hurd/hppa/bits/sigcontext.h b/sysdeps/mach/hurd/hppa/bits/sigcontext.h
deleted file mode 100644
index 5db43fc22c..0000000000
--- a/sysdeps/mach/hurd/hppa/bits/sigcontext.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/* Machine-dependent signal context structure for GNU Hurd.  HPPA version.
-   Copyright (C) 1995,97,2001 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 _SIGNAL_H && !defined _SYS_UCONTEXT_H
-# error "Never use <bits/sigcontext.h> directly; include <signal.h> instead."
-#endif
-
-#ifndef sc_parisc_thread_state
-
-/* Signal handlers are actually called:
-   void handler (int sig, int code, struct sigcontext *scp);  */
-
-/* State of this thread when the signal was taken.  */
-struct sigcontext
-  {
-    /* These first members are machine-independent.  */
-
-    int sc_onstack;		/* Nonzero if running on sigstack.  */
-    __sigset_t sc_mask;		/* Blocked signals to restore.  */
-
-    /* MiG reply port this thread is using.  */
-    unsigned int sc_reply_port;
-
-    /* Port this thread is doing an interruptible RPC on.  */
-    unsigned int sc_intr_port;
-
-    /* Error code associated with this signal (interpreted as `error_t').  */
-    int sc_error;
-
-    /* All following members are machine-dependent.  The rest of this
-       structure is written to be laid out identically to a `struct
-       parisc_thread_state'.  trampoline.c knows this, so it must be
-       changed if this changes.  */
-
-#define sc_parisc_thread_state sc_flags /* Beginning of correspondence.  */
-    /* "General" registers $1..$31.  */
-    unsigned int sc_regs[31];
-
-    /* Control registers.  */
-    unsigned int sc_cr11;	/* sar */
-    /* These four registers make up the PC.  */
-    unsigned int iioq_head;
-    unsigned int iisq_head;
-    unsigned int iioq_tail;
-    unsigned int iisq_tail;
-    unsigned int sc_cr15;
-    unsigned int sc_cr19;
-    unsigned int sc_cr20;
-    unsigned int sc_cr21;
-    unsigned int sc_cr22;	/* ipsw */
-    unsigned int sc_bsd_goto;	/* unused */
-    unsigned int sc_sr4;
-    unsigned int sc_sr0;
-    unsigned int sc_sr1;
-    unsigned int sc_sr2;
-    unsigned int sc_sr3;
-    unsigned int sc_sr5;
-    unsigned int sc_sr6;
-    unsigned int sc_sr7;
-    unsigned int sc_cr0;
-    unsigned int sc_cr8;
-    unsigned int sc_cr9;
-    unsigned int sc_cr10;	/* unused */
-    unsigned int sc_cr12;
-    unsigned int sc_cr13;
-    unsigned int sc_cr24;	/* unused */
-    unsigned int sc_cr25;	/* unused */
-    unsigned int sc_cr26;	/* unused */
-    unsigned sc_mpsfu_high;	/* unused */
-    unsigned sc_mpsfu_low;	/* unused */
-    unsigned sc_mpsfu_ovflo;	/* unused */
-    int sc_pad;
-
-    /* Floating point registers $f0..$f31.  */
-    double sc_fpregs[32];
-  };
-
-#endif /* sc_parisc_thread_state */
diff --git a/sysdeps/mach/hurd/hppa/trampoline.c b/sysdeps/mach/hurd/hppa/trampoline.c
deleted file mode 100644
index bbb5b960ac..0000000000
--- a/sysdeps/mach/hurd/hppa/trampoline.c
+++ /dev/null
@@ -1,230 +0,0 @@
-/* Set thread_state for sighandler, and sigcontext to recover.  HPPA version.
-   Copyright (C) 1995, 1997, 1998 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.  */
-
-#include <hurd/signal.h>
-#include "thread_state.h"
-#include <assert.h>
-#include <errno.h>
-#include "hurdfault.h"
-
-
-struct mach_msg_trap_regargs
-  {
-    /* These first four arguments are in registers 26..23.  */
-    mach_msg_size_t rcv_size;	/* arg3 */
-    mach_msg_size_t send_size;	/* arg2 */
-    mach_msg_option_t option;	/* arg1 */
-    mach_msg_header_t *msg;	/* arg0 */
-  };
-
-struct sigcontext *
-_hurd_setup_sighandler (struct hurd_sigstate *ss, __sighandler_t handler,
-			int signo, long int sigcode,
-			volatile int rpc_wait,
-			struct machine_thread_all_state *state)
-{
-  __label__ trampoline, rpc_wait_trampoline;
-  void *volatile sigsp;
-  struct sigcontext *scp;
-
-  if (ss->context)
-    {
-      /* We have a previous sigcontext that sigreturn was about
-	 to restore when another signal arrived.  We will just base
-	 our setup on that.  */
-      if (_hurdsig_catch_fault (SIGSEGV))
-	assert (_hurdsig_fault_sigcode >= (long int) ss->context &&
-		_hurdsig_fault_sigcode < (long int) (ss->context + 1));
-      else
-	{
-	  memcpy (&state->basic, &ss->context->sc_parisc_thread_state,
-		  sizeof (state->basic));
-	  state->set = (1 << PARISC_THREAD_STATE);
-	  assert (! rpc_wait);
-	  /* The intr_port slot was cleared before sigreturn sent us the
-	     sig_post that made us notice this pending signal, so
-	     _hurd_internal_post_signal wouldn't do interrupt_operation.
-	     After we return, our caller will set SCP->sc_intr_port (in the
-	     new context) from SS->intr_port and clear SS->intr_port.  Now
-	     that we are restoring this old context recorded by sigreturn,
-	     we want to restore its intr_port too; so store it in
-	     SS->intr_port now, so it will end up in SCP->sc_intr_port
-	     later.  */
-	  ss->intr_port = ss->context->sc_intr_port;
-	}
-      /* If the sigreturn context was bogus, just ignore it.  */
-      ss->context = NULL;
-    }
-  else if (! machine_get_basic_state (ss->thread, state))
-    return NULL;
-
-  if ((ss->actions[signo].sa_flags & SA_ONSTACK) &&
-      !(ss->sigaltstack.ss_flags & (SS_DISABLE|SS_ONSTACK)))
-    {
-      sigsp = ss->sigaltstack.ss_sp + ss->sigaltstack.ss_size;
-      ss->sigaltstack.ss_flags |= SS_ONSTACK;
-      /* XXX need to set up base of new stack for
-	 per-thread variables, cthreads.  */
-    }
-  else
-    sigsp = (char *) state->basic.uesp;
-
-  /* Push the signal context on the stack.  */
-  sigsp -= sizeof (*scp);
-  scp = sigsp;
-
-  if (_hurdsig_catch_fault (SIGSEGV))
-    {
-      assert (_hurdsig_fault_sigcode >= (long int) scp &&
-	      _hurdsig_fault_sigcode <= (long int) (scp + 1));
-      /* We got a fault trying to write the stack frame.
-	 We cannot set up the signal handler.
-	 Returning NULL tells our caller, who will nuke us with a SIGILL.  */
-      return NULL;
-    }
-  else
-    {
-      int ok;
-
-      /* Set up the sigcontext from the current state of the thread.  */
-
-      scp->sc_onstack = ss->sigaltstack.ss_flags & SS_ONSTACK ? 1 : 0;
-
-      /* struct sigcontext is laid out so that starting at sc_regs mimics a
-	 struct parisc_thread_state.  */
-      memcpy (&scp->sc_parisc_thread_state,
-	      &state->basic, sizeof (state->basic));
-
-      _hurdsig_end_catch_fault ();
-
-      if (! ok)
-	return NULL;
-    }
-
-  /* Modify the thread state to call the trampoline code on the new stack.  */
-  if (rpc_wait)
-    {
-      /* The signalee thread was blocked in a mach_msg_trap system call,
-	 still waiting for a reply.  We will have it run the special
-	 trampoline code which retries the message receive before running
-	 the signal handler.
-
-	 To do this we change the OPTION argument on its stack to enable only
-	 message reception, since the request message has already been
-	 sent.  */
-
-      struct mach_msg_trap_regargs *args = (void *) &state->basic.r23;
-
-      if (_hurdsig_catch_fault (SIGSEGV))
-	{
-	  assert (_hurdsig_fault_sigcode >= (long int) args &&
-		  _hurdsig_fault_sigcode < (long int) (args + 1));
-	  /* Faulted accessing ARGS.  Bomb.  */
-	  return NULL;
-	}
-
-      assert (args->option & MACH_RCV_MSG);
-      /* Disable the message-send, since it has already completed.  The
-	 calls we retry need only wait to receive the reply message.  */
-      args->option &= ~MACH_SEND_MSG;
-
-      /* Limit the time to receive the reply message, in case the server
-	 claimed that `interrupt_operation' succeeded but in fact the RPC
-	 is hung.  */
-      args->option |= MACH_RCV_TIMEOUT;
-      args->timeout = _hurd_interrupted_rpc_timeout;
-
-      _hurdsig_end_catch_fault ();
-
-      MACHINE_THREAD_STATE_SET_PC (&state->basic, &&rpc_wait_trampoline);
-      /* The reply-receiving trampoline code runs initially on the original
-	 user stack.  We pass it the signal stack pointer in %r5.  */
-      state->basic.r5 = (int) sigsp;
-      /* After doing the message receive, the trampoline code will need to
-	 update the %r28 value to be restored by sigreturn.  To simplify
-	 the assembly code, we pass the address of its slot in SCP to the
-	 trampoline code in %r4.  */
-      state->basic.r4 = (unsigned int) &scp->sc_regs[27];
-      /* Set up the arguments for the handler function in callee-saved
-	 registers that we will move to the argument registers after
-	 mach_msg_trap returns.  */
-      state->basic.r6 = signo;
-      state->basic.r7 = sigcode;
-      state->basic.r8 = (unsigned int) scp;
-    }
-  else
-    {
-      MACHINE_THREAD_STATE_SET_PC (&state->basic, &&trampoline);
-      state->basic.r20 = (unsigned int) sigsp;
-      /* Set up the arguments for the handler function.  */
-      state->basic.r26 = signo;
-      state->basic.r25 = sigcode;
-      state->basic.r24 = (unsigned int) scp;
-    }
-
-  /* We pass the handler function to the trampoline code in %r9.  */
-  state->basic.r9 = (unsigned int) handler;
-  /* For convenience, we pass the address of __sigreturn in %r10.  */
-  state->basic.r10 = (unsigned int) &__sigreturn;
-  /* The extra copy of SCP for the __sigreturn arg goes in %r8.  */
-  state->basic.r10 = (unsigned int) scp;
-
-  return scp;
-
-  /* The trampoline code follows.  This is not actually executed as part of
-     this function, it is just convenient to write it that way.  */
-
- rpc_wait_trampoline:
-  /* This is the entry point when we have an RPC reply message to receive
-     before running the handler.  The MACH_MSG_SEND bit has already been
-     cleared in the OPTION argument on our stack.  The interrupted user
-     stack pointer has not been changed, so the system call can find its
-     arguments; the signal stack pointer is in %ebx.  For our convenience,
-     %ecx points to the sc_eax member of the sigcontext.  */
-  asm volatile
-    (/* Retry the interrupted mach_msg system call.  */
-     "ldil L%0xC0000000,%r1\nble 4(%sr7,%r1)\n"
-     "ldi -25, %r22\n"		/* mach_msg_trap */
-     /* When the sigcontext was saved, %r28 was MACH_RCV_INTERRUPTED.  But
-	now the message receive has completed and the original caller of
-	the RPC (i.e. the code running when the signal arrived) needs to
-	see the final return value of the message receive in %r28.  So
-	store the new %r28 value into the sc_regs[27] member of the sigcontext
-	(whose address is in %r4 to make this code simpler).  */
-     "stw (%r4), %r28\n"
-     /* Switch to the signal stack.  */
-     "copy %r5, %r30\n"
-     /* Copy the handler arguments to the argument registers.  */
-     "copy %r6, %r26\n"
-     "copy %r7, %r25\n"
-     "copy %r8, %r24\n"
-     );
-
- trampoline:
-  /* Entry point for running the handler normally.  The arguments to the
-     handler function are already in the argument registers.  */
-  asm volatile
-    ("bv (%r9); nop"		/* Call the handler function.  */
-     "bv (%r10)\n"		/* Call __sigreturn (SCP); never returns.  */
-     "copy %r8, %r26"		/* Set up arg in delay slot.  */
-     : : "i" (&__sigreturn));
-
-  /* NOTREACHED */
-  return NULL;
-}