Initial revision

diff --git a/sysdeps/mach/hurd/alpha/longjmp-ctx.c b/sysdeps/mach/hurd/alpha/longjmp-ctx.c
new file mode 100644 (file)
index 0000000..51fd5c5
--- /dev/null
+++ b/sysdeps/mach/hurd/alpha/longjmp-ctx.c
@@ -0,0 +1,38 @@
+/* Perform a `longjmp' on a `struct sigcontext'.  i386 version.
+Copyright (C) 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <setjmp.h>
+#include <hurd/signal.h>
+#include <string.h>
+
+void
+_hurd_longjmp_sigcontext (struct sigcontext *scp, jmp_buf env, int retval)
+{
+  memset (scp, 0, sizeof (*scp));
+  scp->sc_regs[9] = env[0].__9;
+  scp->sc_regs[11] = env[0].__11;
+  scp->sc_regs[12] = env[0].__12;
+  scp->sc_regs[13] = env[0].__13;
+  scp->sc_regs[14] = env[0].__14;
+  scp->sc_regs[15] = (long int) env[0].__fp;
+  scp->sc_regs[30] = (long int) env[0].__sp;
+  scp->sc_pc = (long int) env[0].__pc;
+
+  memcpy (&scp->sc_fpregs[2], &env[0].__f2, sizeof (double));
+}

diff --git a/sysdeps/mach/hurd/alpha/sigcontext.h b/sysdeps/mach/hurd/alpha/sigcontext.h
new file mode 100644 (file)
index 0000000..5767e8b
--- /dev/null
+++ b/sysdeps/mach/hurd/alpha/sigcontext.h
@@ -0,0 +1,56 @@
+/* Machine-dependent signal context structure for GNU Hurd.  Alpha version.
+Copyright (C) 1994 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* 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:
+       {
+         struct alpha_thread_state basic;
+         struct alpha_float_state fpu;
+       }
+       trampoline.c knows this, so it must be changed if this changes.  */
+
+#define sc_alpha_thread_state sc_gs /* Beginning of correspondence.  */
+    long int sc_regs[31];      /* General registers $0..$30.  */
+    long int sc_pc;            /* Program counter.  */
+    long int sc_ps;            /* Processor status.  */
+
+    /* struct alpha_float_state */
+#define sc_alpha_float_state sc_fpregs
+    long int sc_fpregs[32];    /* Floating point registers $f0..$f31.  */
+  };