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authorMichael Snyder <msnyder@vmware.com>2003-06-19 22:52:04 +0000
committerMichael Snyder <msnyder@vmware.com>2003-06-19 22:52:04 +0000
commit0274a8cedbd446865a1e5fdec8057f4a327e19aa (patch)
tree65a8a30cdbc33868844ea760ca2628bf9e87535a /gdb/linux-nat.h
parentadf5f719da64a54fa206ad15a5eebde9abbe2666 (diff)
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2003-06-19 Michael Snyder <msnyder@redhat.com>
* linux-nat.h: New file. * linux-nat.c: Include linux-nat.h. * lin-lwp.c: Include linux-nat.h. Move struct lwp_info def to linux-nat.h. * linux-proc.c: Include linux-nat.h. (linux_make_note_section): Iterate over lwps instead of threads. (linux_do_thread_registers): Use lwp instead of merged pid. * config/nm-linux.h: Move miscelaneous def'ns to linux-nat.h. * Makefile.in (lin-lwp.o, linux-proc.o, linux-nat.o): Add dependency on linux_nat_h.
Diffstat (limited to 'gdb/linux-nat.h')
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1 files changed, 70 insertions, 0 deletions
diff --git a/gdb/linux-nat.h b/gdb/linux-nat.h
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+/* Native debugging support for GNU/Linux (LWP layer).
+ Copyright 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program 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 for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Structure describing an LWP. */
+
+struct lwp_info
+{
+ /* The process id of the LWP. This is a combination of the LWP id
+ and overall process id. */
+ ptid_t ptid;
+
+ /* Non-zero if this LWP is cloned. In this context "cloned" means
+ that the LWP is reporting to its parent using a signal other than
+ SIGCHLD. */
+ int cloned;
+
+ /* Non-zero if we sent this LWP a SIGSTOP (but the LWP didn't report
+ it back yet). */
+ int signalled;
+
+ /* Non-zero if this LWP is stopped. */
+ int stopped;
+
+ /* Non-zero if this LWP will be/has been resumed. Note that an LWP
+ can be marked both as stopped and resumed at the same time. This
+ happens if we try to resume an LWP that has a wait status
+ pending. We shouldn't let the LWP run until that wait status has
+ been processed, but we should not report that wait status if GDB
+ didn't try to let the LWP run. */
+ int resumed;
+
+ /* If non-zero, a pending wait status. */
+ int status;
+
+ /* Non-zero if we were stepping this LWP. */
+ int step;
+
+ /* Next LWP in list. */
+ struct lwp_info *next;
+};
+
+/* Read/write to target memory via Linux's "proc file system". */
+struct mem_attrib;
+extern int linux_proc_xfer_memory (CORE_ADDR addr, char *myaddr, int len,
+ int write, struct mem_attrib *attrib,
+ struct target_ops *target);
+
+extern void linux_record_stopped_pid (int pid);
+
+/* Iterator function for lin-lwp's lwp list. */
+struct lwp_info *iterate_over_lwps (int (*callback) (struct lwp_info *,
+ void *),
+ void *data);