src/jdk.hotspot.agent/linux/native/libsaproc/proc_service.h
changeset 47216 71c04702a3d5
parent 35217 ce4b5303a813
child 49440 396ea30afbd5
child 56109 5bf57be44328
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.hotspot.agent/linux/native/libsaproc/proc_service.h	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#ifndef _PROC_SERVICE_H_
+#define _PROC_SERVICE_H_
+
+#include <stdio.h>
+#include <thread_db.h>
+
+// Linux does not have the proc service library, though it does provide the
+// thread_db library which can be used to manipulate threads without having
+// to know the details of NPTL
+
+// copied from Solaris "proc_service.h"
+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,       /* p_lookup() could not find given symbol */
+        PS_NOFREGS      /* FPU register set not available for given lwp */
+} ps_err_e;
+
+// ps_getpid() is only defined on Linux to return a thread's process ID
+pid_t ps_getpid(struct ps_prochandle *ph);
+
+// ps_pglobal_lookup() looks up the symbol sym_name in the symbol table
+// of the load object object_name in the target process identified by ph.
+// It returns the symbol's value as an address in the target process in
+// *sym_addr.
+
+ps_err_e ps_pglobal_lookup(struct ps_prochandle *ph, const char *object_name,
+                    const char *sym_name, psaddr_t *sym_addr);
+
+// read "size" bytes of data from debuggee at address "addr"
+ps_err_e ps_pdread(struct ps_prochandle *ph, psaddr_t  addr,
+                   void *buf, size_t size);
+
+// write "size" bytes of data to debuggee at address "addr"
+ps_err_e ps_pdwrite(struct ps_prochandle *ph, psaddr_t addr,
+                    const void *buf, size_t size);
+
+ps_err_e ps_lsetfpregs(struct ps_prochandle *ph, lwpid_t lid, const prfpregset_t *fpregs);
+
+ps_err_e ps_lsetregs(struct ps_prochandle *ph, lwpid_t lid, const prgregset_t gregset);
+
+ps_err_e  ps_lgetfpregs(struct  ps_prochandle  *ph,  lwpid_t lid, prfpregset_t *fpregs);
+
+ps_err_e ps_lgetregs(struct ps_prochandle *ph, lwpid_t lid, prgregset_t gregset);
+
+// new libthread_db of NPTL seem to require this symbol
+ps_err_e ps_get_thread_area();
+
+#endif /* _PROC_SERVICE_H_ */