/* Target-vector operations for controlling Unix child processes, for GDB.
- Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
- 2000, 2002
- Free Software Foundation, Inc.
+
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 1999,
+ 2000, 2002, 2003, 2004 Free Software Foundation, Inc.
+
Contributed by Cygnus Support.
## Contains temporary hacks..
#include <signal.h>
#include <sys/types.h>
#include <fcntl.h>
-
+#include "observer.h"
#include "gdb_wait.h"
+#include "inflow.h"
extern struct symtab_and_line *child_enable_exception_callback (enum
exception_event_kind,
static void ptrace_him (int);
-static void child_create_inferior (char *, char *, char **);
+static void child_create_inferior (char *, char *, char **, int);
static void child_mourn_inferior (void);
static void
child_attach (char *args, int from_tty)
{
+ char *exec_file;
+ int pid;
+ char *dummy;
+
if (!args)
error_no_arg ("process-id to attach");
-#ifndef ATTACH_DETACH
- error ("Can't attach to a process on this machine.");
-#else
- {
- char *exec_file;
- int pid;
- char *dummy;
-
- dummy = args;
- pid = strtol (args, &dummy, 0);
- /* Some targets don't set errno on errors, grrr! */
- if ((pid == 0) && (args == dummy))
+ dummy = args;
+ pid = strtol (args, &dummy, 0);
+ /* Some targets don't set errno on errors, grrr! */
+ if ((pid == 0) && (args == dummy))
error ("Illegal process-id: %s\n", args);
+
+ if (pid == getpid ()) /* Trying to masturbate? */
+ error ("I refuse to debug myself!");
+
+ if (from_tty)
+ {
+ exec_file = (char *) get_exec_file (0);
+
+ if (exec_file)
+ printf_unfiltered ("Attaching to program: %s, %s\n", exec_file,
+ target_pid_to_str (pid_to_ptid (pid)));
+ else
+ printf_unfiltered ("Attaching to %s\n",
+ target_pid_to_str (pid_to_ptid (pid)));
+
+ gdb_flush (gdb_stdout);
+ }
- if (pid == getpid ()) /* Trying to masturbate? */
- error ("I refuse to debug myself!");
-
- if (from_tty)
- {
- exec_file = (char *) get_exec_file (0);
-
- if (exec_file)
- printf_unfiltered ("Attaching to program: %s, %s\n", exec_file,
- target_pid_to_str (pid_to_ptid (pid)));
- else
- printf_unfiltered ("Attaching to %s\n",
- target_pid_to_str (pid_to_ptid (pid)));
-
- gdb_flush (gdb_stdout);
- }
-
- attach (pid);
-
- inferior_ptid = pid_to_ptid (pid);
- push_target (&child_ops);
- }
-#endif /* ATTACH_DETACH */
+ attach (pid);
+
+ inferior_ptid = pid_to_ptid (pid);
+ push_target (&child_ops);
}
#if !defined(CHILD_POST_ATTACH)
static void
child_detach (char *args, int from_tty)
{
-#ifdef ATTACH_DETACH
- {
- int siggnal = 0;
- int pid = PIDGET (inferior_ptid);
-
- if (from_tty)
- {
- char *exec_file = get_exec_file (0);
- if (exec_file == 0)
- exec_file = "";
- printf_unfiltered ("Detaching from program: %s, %s\n", exec_file,
- target_pid_to_str (pid_to_ptid (pid)));
- gdb_flush (gdb_stdout);
- }
- if (args)
- siggnal = atoi (args);
-
- detach (siggnal);
-
- inferior_ptid = null_ptid;
- unpush_target (&child_ops);
- }
-#else
- error ("This version of Unix does not support detaching a process.");
-#endif
+ int siggnal = 0;
+ int pid = PIDGET (inferior_ptid);
+
+ if (from_tty)
+ {
+ char *exec_file = get_exec_file (0);
+ if (exec_file == 0)
+ exec_file = "";
+ printf_unfiltered ("Detaching from program: %s, %s\n", exec_file,
+ target_pid_to_str (pid_to_ptid (pid)));
+ gdb_flush (gdb_stdout);
+ }
+ if (args)
+ siggnal = atoi (args);
+
+ detach (siggnal);
+
+ inferior_ptid = null_ptid;
+ unpush_target (&child_ops);
}
/* Get ready to modify the registers array. On machines which store
attach_flag ? "attached" : "child", target_pid_to_str (inferior_ptid));
}
-/* ARGSUSED */
static void
child_open (char *arg, int from_tty)
{
ENV is the environment vector to pass. Errors reported with error(). */
static void
-child_create_inferior (char *exec_file, char *allargs, char **env)
+child_create_inferior (char *exec_file, char *allargs, char **env,
+ int from_tty)
{
#ifdef HPUXHPPA
fork_inferior (exec_file, allargs, env, ptrace_me, ptrace_him, pre_fork_inferior, NULL);
fork_inferior (exec_file, allargs, env, ptrace_me, ptrace_him, NULL, NULL);
#endif
/* We are at the first instruction we care about. */
+ observer_notify_inferior_created (¤t_target, from_tty);
/* Pedal to the metal... */
proceed ((CORE_ADDR) -1, TARGET_SIGNAL_0, 0);
}
static void
child_stop (void)
{
- extern pid_t inferior_process_group;
-
kill (-inferior_process_group, SIGINT);
}
*/
return NULL;
}
-\f
+
+/* Perform a partial transfer to/from the specified object. For
+ memory transfers, fall back to the old memory xfer functions. */
+
+static LONGEST
+child_xfer_partial (struct target_ops *ops, enum target_object object,
+ const char *annex, void *readbuf,
+ const void *writebuf, ULONGEST offset, LONGEST len)
+{
+ switch (object)
+ {
+ case TARGET_OBJECT_MEMORY:
+ if (readbuf)
+ return child_xfer_memory (offset, readbuf, len, 0/*write*/,
+ NULL, ops);
+ if (writebuf)
+ return child_xfer_memory (offset, readbuf, len, 1/*write*/,
+ NULL, ops);
+ return -1;
+
+ case TARGET_OBJECT_UNWIND_TABLE:
+#ifndef NATIVE_XFER_UNWIND_TABLE
+#define NATIVE_XFER_UNWIND_TABLE(OPS,OBJECT,ANNEX,WRITEBUF,READBUF,OFFSET,LEN) (-1)
+#endif
+ return NATIVE_XFER_UNWIND_TABLE (ops, object, annex, readbuf, writebuf,
+ offset, len);
+
+ case TARGET_OBJECT_AUXV:
+#ifndef NATIVE_XFER_AUXV
+#define NATIVE_XFER_AUXV(OPS,OBJECT,ANNEX,WRITEBUF,READBUF,OFFSET,LEN) (-1)
+#endif
+ return NATIVE_XFER_AUXV (ops, object, annex, readbuf, writebuf,
+ offset, len);
+
+ case TARGET_OBJECT_WCOOKIE:
+#ifndef NATIVE_XFER_WCOOKIE
+#define NATIVE_XFER_WCOOKIE(OPS,OBJECT,ANNEX,WRITEBUF,READBUF,OFFSET,LEN) (-1)
+#endif
+ return NATIVE_XFER_WCOOKIE (ops, object, annex, readbuf, writebuf,
+ offset, len);
+
+ default:
+ return -1;
+ }
+}
#if !defined(CHILD_PID_TO_STR)
char *
child_ops.to_store_registers = store_inferior_registers;
child_ops.to_prepare_to_store = child_prepare_to_store;
child_ops.to_xfer_memory = child_xfer_memory;
+ child_ops.to_xfer_partial = child_xfer_partial;
child_ops.to_files_info = child_files_info;
child_ops.to_insert_breakpoint = memory_insert_breakpoint;
child_ops.to_remove_breakpoint = memory_remove_breakpoint;
}
/* Take over the 'find_mapped_memory' vector from inftarg.c. */
-extern void
-inftarg_set_find_memory_regions (int (*func) (int (*) (CORE_ADDR,
- unsigned long,
- int, int, int,
+extern void
+inftarg_set_find_memory_regions (int (*func) (int (*) (CORE_ADDR,
+ unsigned long,
+ int, int, int,
void *),
void *))
{
}
/* Take over the 'make_corefile_notes' vector from inftarg.c. */
-extern void
+extern void
inftarg_set_make_corefile_notes (char * (*func) (bfd *, int *))
{
child_ops.to_make_corefile_notes = func;
projects / deliverable / binutils-gdb.git / blobdiff