Import pmdb 4.1.

(see http://www.blahonga.org/~art/openbsd/pmdb.html for more info).

The development repository now moves here out from my local repository.

1 files changed, 119 insertions, 0 deletions

diff --git a/usr.bin/pmdb/pmdb.h b/usr.bin/pmdb/pmdb.h
new file mode 100644
index 00000000000..18d5cf023c7
--- /dev/null
+++ b/usr.bin/pmdb/pmdb.h
@@ -0,0 +1,119 @@
+/*	$PMDB: pmdb.h,v 1.26 2002/03/11 23:39:49 art Exp $	*/
+/*
+ * Copyright (c) 2002 Artur Grabowski <art@openbsd.org>
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+ */
+
+#include <sys/signal.h>		/* for NSIG */
+#include <sys/queue.h>
+#include <sys/ptrace.h>
+#include <err.h>
+
+/* XXX - ugh, yuck, bleah. */
+#ifndef PT_STEP
+#define PT_STEP PT_CONTINUE
+#endif
+
+/*
+ * Process handling.
+ */
+
+struct breakpoint;
+struct callback;
+struct sym_table;
+struct sym_ops;
+
+/* XXX - should be machdep some day. */
+typedef unsigned long reg;
+
+/* The state for a debugged process. */
+struct pstate {
+	pid_t ps_pid;
+	enum { NONE, LOADED, RUNNING, STOPPED, TERMINATED } ps_state;
+	int ps_argc;
+	char **ps_argv;
+	int ps_flags;
+	int ps_signum;
+	int ps_sigstate[NSIG];
+	reg ps_npc;
+	TAILQ_HEAD(,sym_table) ps_syms;	/* all symbols tables in a list */
+	struct sym_table *ps_sym_exe;	/* symbol table for the executable */
+	struct sym_ops *ps_sops;	/* operations on symbol tables */
+	TAILQ_HEAD(,breakpoint) ps_bkpts; /* breakpoints */
+	TAILQ_HEAD(,callback) ps_sstep_cbs; /* single step actions */
+};
+
+/* flags in ps_flags */
+#define PSF_SYMBOLS	0x02		/* basic symbols loaded */
+#define PSF_KILL	0x04		/* kill this process asap */
+#define PSF_STEP	0x08		/* next continue should sstep */
+
+/* ps_sigstate */
+#define SS_STOP		0x00
+#define SS_IGNORE	0x01
+
+/* misc helper functions */
+int process_kill(struct pstate *);
+int read_from_pid(pid_t pid, off_t from, void *to, size_t size);
+int write_to_pid(pid_t pid, off_t to, void *from, size_t size);
+
+/* process.c */
+int process_load(struct pstate *);
+int cmd_process_run(int, char **, void *);
+int cmd_process_cont(int, char **, void *);
+int cmd_process_kill(int, char **, void *);
+
+/* signal.c */
+void init_sigstate(struct pstate *);
+void process_signal(struct pstate *, int, int, int);
+int cmd_signal_ignore(int, char **, void *);
+int cmd_signal_show(int, char **, void *);
+
+/*
+ * Machine dependent stuff.
+ */
+/* register names */
+struct md_def {
+	const char **md_reg_names;	/* array of register names */
+	const int nregs;		/* number of registers */
+	const int pcoff;		/* offset of the pc */
+};
+extern struct md_def md_def;
+void md_def_init(void);
+
+#define MDF_MAX_ARGS	16
+
+struct md_frame {
+	reg pc, fp;
+	int nargs;
+	reg args[MDF_MAX_ARGS];
+};
+
+/*
+ * Return the registers for the process "ps" in the frame "frame".
+ */
+int md_getframe(struct pstate *, int, struct md_frame *);
+int md_getregs(struct pstate *, reg *);
+
+/* misc */
+void *emalloc(size_t);