Moved to csu/errno-loc.c.

3 files changed, 140 insertions, 0 deletions

diff --git a/hurd/exc2signal.c b/hurd/exc2signal.c
new file mode 100644
index 0000000000..de044bbcf4
--- /dev/null
+++ b/hurd/exc2signal.c
@@ -0,0 +1,71 @@
+/* Translate Mach exception codes into signal numbers.  Stub version.
+   Copyright (C) 1991, 1992, 1994, 1995, 1997 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.h>
+
+/* This file must be modified with machine-dependent details.  */
+#error "need to write sysdeps/mach/hurd/MACHINE/exc2signal.c"
+
+/* Translate the Mach exception codes, as received in an `exception_raise' RPC,
+   into a signal number and signal subcode.  */
+
+void
+_hurd_exception2signal (int exception, int code, int subcode,
+			int *signo, int *sigcode, int *error)
+{
+  *error = 0;
+
+  switch (exception)
+    {
+    default:
+      *signo = SIGIOT;
+      *sigcode = exception;
+      break;
+
+    case EXC_BAD_ACCESS:
+      if (code == KERN_PROTECTION_FAILURE)
+	*signo = SIGSEGV;
+      else
+	*signo = SIGBUS;
+      *sigcode = subcode;
+      *error = code;
+      break;
+
+    case EXC_BAD_INSTRUCTION:
+      *signo = SIGILL;
+      *sigcode = 0;
+      break;
+
+    case EXC_ARITHMETIC:
+      *signo = SIGFPE;
+      *sigcode = 0;
+      break;
+
+    case EXC_EMULATION:
+    case EXC_SOFTWARE:
+      *signo = SIGEMT;
+      *sigcode = 0;
+      break;
+
+    case EXC_BREAKPOINT:
+      *signo = SIGTRAP;
+      *sigcode = 0;
+      break;
+    }
+}
diff --git a/hurd/longjmp-ts.c b/hurd/longjmp-ts.c
new file mode 100644
index 0000000000..e9c297a20b
--- /dev/null
+++ b/hurd/longjmp-ts.c
@@ -0,0 +1,32 @@
+/* Perform a `longjmp' on a Mach thread_state.  Stub version.
+   Copyright (C) 1991, 1994, 1997 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 <setjmp.h>
+#include <mach/thread_status.h>
+
+/* Set up STATE to do the equivalent of `longjmp (ENV, VAL);'.  */
+
+void
+_hurd_longjmp_thread_state (void *state, jmp_buf env, int val)
+{
+  /* Set all the registers in *STATE to the values described by ENV and
+     RETVAL.  After this, setting that thread's state to STATE should be
+     just like calling `longjmp (ENV, RETVAL)'.  */
+  #error "Need to write sysdeps/mach/hurd/MACHINE/longjmp-ctx.c"
+}
diff --git a/hurd/trampoline.c b/hurd/trampoline.c
new file mode 100644
index 0000000000..7045a0d0ab
--- /dev/null
+++ b/hurd/trampoline.c
@@ -0,0 +1,37 @@
+/* Set thread_state for sighandler, and sigcontext to recover.  Stub version.
+   Copyright (C) 1994, 1997 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.h>
+#include <mach/thread_status.h>
+
+/* Set up STATE to run a signal handler in the thread it describes.
+   This should save the original state in a `struct sigcontext' on the
+   thread's stack (or possibly a signal stack described by SIGALTSTACK,
+   if the SA_ONSTACK bit is set in FLAGS), and return the address of
+   that structure.  */
+
+struct sigcontext *
+_hurd_setup_sighandler (int flags,
+			__sighandler_t handler,
+			struct sigaltstack *sigaltstack,
+			int signo, int sigcode,
+			void *state)
+{
+#error "Need to write sysdeps/mach/hurd/MACHINE/trampoline.c"
+}