libpthread/nptl_db: debugging support for nptl

Signed-off-by: Austin Foxley <austinf@cetoncorp.com>

1 files changed, 87 insertions, 0 deletions

diff --git a/libpthread/nptl_db/proc_service.h b/libpthread/nptl_db/proc_service.h
new file mode 100644
index 000000000..d49e87ab3
--- /dev/null
+++ b/libpthread/nptl_db/proc_service.h
@@ -0,0 +1,87 @@
+/* Callback interface for libthread_db, functions users must define.
+   Copyright (C) 1999,2002,2003 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.  */
+
+/* The definitions in this file must correspond to those in the debugger.  */
+#include <sys/procfs.h>
+
+/* Functions in this interface return one of these status codes.  */
+typedef enum
+{
+  PS_OK,		/* Generic "call succeeded".  */
+  PS_ERR,		/* Generic error. */
+  PS_BADPID,		/* Bad process handle.  */
+  PS_BADLID,		/* Bad LWP identifier.  */
+  PS_BADADDR,		/* Bad address.  */
+  PS_NOSYM,		/* Could not find given symbol.  */
+  PS_NOFREGS		/* FPU register set not available for given LWP.  */
+} ps_err_e;
+
+
+/* This type is opaque in this interface.
+   It's defined by the user of libthread_db.  */
+struct ps_prochandle;
+
+
+/* Read or write process memory at the given address.  */
+extern ps_err_e ps_pdread (struct ps_prochandle *,
+			   psaddr_t, void *, size_t);
+extern ps_err_e ps_pdwrite (struct ps_prochandle *,
+			    psaddr_t, const void *, size_t);
+extern ps_err_e ps_ptread (struct ps_prochandle *,
+			   psaddr_t, void *, size_t);
+extern ps_err_e ps_ptwrite (struct ps_prochandle *,
+			    psaddr_t, const void *, size_t);
+
+
+/* Get and set the given LWP's general or FPU register set.  */
+extern ps_err_e ps_lgetregs (struct ps_prochandle *,
+			     lwpid_t, prgregset_t);
+extern ps_err_e ps_lsetregs (struct ps_prochandle *,
+			     lwpid_t, const prgregset_t);
+extern ps_err_e ps_lgetfpregs (struct ps_prochandle *,
+			       lwpid_t, prfpregset_t *);
+extern ps_err_e ps_lsetfpregs (struct ps_prochandle *,
+			       lwpid_t, const prfpregset_t *);
+
+/* Return the PID of the process.  */
+extern pid_t ps_getpid (struct ps_prochandle *);
+
+/* Fetch the special per-thread address associated with the given LWP.
+   This call is only used on a few platforms (most use a normal register).
+   The meaning of the `int' parameter is machine-dependent.  */
+extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
+				    lwpid_t, int, psaddr_t *);
+
+
+/* Look up the named symbol in the named DSO in the symbol tables
+   associated with the process being debugged, filling in *SYM_ADDR
+   with the corresponding run-time address.  */
+extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *,
+				   const char *object_name,
+				   const char *sym_name,
+				   psaddr_t *sym_addr);
+
+
+/* Stop or continue the entire process.  */
+extern ps_err_e ps_pstop (const struct ps_prochandle *);
+extern ps_err_e ps_pcontinue (const struct ps_prochandle *);
+
+/* Stop or continue the given LWP alone.  */
+extern ps_err_e ps_lstop (const struct ps_prochandle *, lwpid_t);
+extern ps_err_e ps_lcontinue (const struct ps_prochandle *, lwpid_t);