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-rw-r--r--gdb/inf-child.c295
1 files changed, 140 insertions, 155 deletions
diff --git a/gdb/inf-child.c b/gdb/inf-child.c
index c7c45530b6b..7b2f2a25a27 100644
--- a/gdb/inf-child.c
+++ b/gdb/inf-child.c
@@ -39,11 +39,6 @@
#include <fcntl.h>
#include <unistd.h>
-/* A pointer to what is returned by inf_child_target. Used by
- inf_child_open to push the most-derived target in reaction to
- "target native". */
-static struct target_ops *inf_child_ops = NULL;
-
/* Helper function for child_wait and the derivatives of child_wait.
HOSTSTATUS is the waitstatus from wait() or the equivalent; store our
translation of that in OURSTATUS. */
@@ -67,35 +62,11 @@ store_waitstatus (struct target_waitstatus *ourstatus, int hoststatus)
}
}
-/* Fetch register REGNUM from the inferior. If REGNUM is -1, do this
- for all registers. */
-
-static void
-inf_child_fetch_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regnum)
-{
- if (regnum == -1)
- {
- for (regnum = 0;
- regnum < gdbarch_num_regs (regcache->arch ());
- regnum++)
- regcache_raw_supply (regcache, regnum, NULL);
- }
- else
- regcache_raw_supply (regcache, regnum, NULL);
-}
-
-/* Store register REGNUM back into the inferior. If REGNUM is -1, do
- this for all registers (including the floating point registers). */
-
-static void
-inf_child_store_inferior_registers (struct target_ops *ops,
- struct regcache *regcache, int regnum)
-{
-}
+inf_child_target::~inf_child_target ()
+{}
-static void
-inf_child_post_attach (struct target_ops *self, int pid)
+void
+inf_child_target::post_attach (int pid)
{
/* This target doesn't require a meaningful "post attach" operation
by a debugger. */
@@ -107,12 +78,59 @@ inf_child_post_attach (struct target_ops *self, int pid)
makes sure that registers contains all the registers from the
program being debugged. */
-static void
-inf_child_prepare_to_store (struct target_ops *self,
- struct regcache *regcache)
+void
+inf_child_target::prepare_to_store (struct regcache *regcache)
{
}
+bool
+inf_child_target::supports_terminal_ours ()
+{
+ return true;
+}
+
+void
+inf_child_target::terminal_init ()
+{
+ child_terminal_init (this);
+}
+
+void
+inf_child_target::terminal_inferior ()
+{
+ child_terminal_inferior (this);
+}
+
+void
+inf_child_target::terminal_ours_for_output ()
+{
+ child_terminal_ours_for_output (this);
+}
+
+void
+inf_child_target::terminal_ours ()
+{
+ child_terminal_ours (this);
+}
+
+void
+inf_child_target::interrupt ()
+{
+ child_interrupt (this);
+}
+
+void
+inf_child_target::pass_ctrlc ()
+{
+ child_pass_ctrlc (this);
+}
+
+void
+inf_child_target::terminal_info (const char *args, int from_tty)
+{
+ child_terminal_info (this, args, from_tty);
+}
+
/* True if the user did "target native". In that case, we won't
unpush the child target automatically when the last inferior is
gone. */
@@ -131,16 +149,16 @@ inf_child_open_target (struct target_ops *target, const char *arg,
printf_filtered ("Done. Use the \"run\" command to start a process.\n");
}
-static void
-inf_child_open (const char *arg, int from_tty)
+void
+inf_child_target::open (const char *arg, int from_tty)
{
- inf_child_open_target (inf_child_ops, arg, from_tty);
+ inf_child_open_target (this, arg, from_tty);
}
/* Implement the to_disconnect target_ops method. */
-static void
-inf_child_disconnect (struct target_ops *target, const char *args, int from_tty)
+void
+inf_child_target::disconnect (const char *args, int from_tty)
{
if (args != NULL)
error (_("Argument given to \"disconnect\"."));
@@ -152,65 +170,98 @@ inf_child_disconnect (struct target_ops *target, const char *args, int from_tty)
/* Implement the to_close target_ops method. */
-static void
-inf_child_close (struct target_ops *target)
+void
+inf_child_target::close ()
{
/* In case we were forcibly closed. */
inf_child_explicitly_opened = 0;
}
void
-inf_child_mourn_inferior (struct target_ops *ops)
+inf_child_target::mourn_inferior ()
{
generic_mourn_inferior ();
- inf_child_maybe_unpush_target (ops);
+ maybe_unpush_target ();
}
/* See inf-child.h. */
void
-inf_child_maybe_unpush_target (struct target_ops *ops)
+inf_child_target::maybe_unpush_target ()
{
if (!inf_child_explicitly_opened && !have_inferiors ())
- unpush_target (ops);
+ unpush_target (this);
}
-static void
-inf_child_post_startup_inferior (struct target_ops *self, ptid_t ptid)
+void
+inf_child_target::post_startup_inferior (ptid_t ptid)
{
/* This target doesn't require a meaningful "post startup inferior"
operation by a debugger. */
}
-static int
-inf_child_follow_fork (struct target_ops *ops, int follow_child,
- int detach_fork)
+int
+inf_child_target::can_run ()
{
- /* This target doesn't support following fork or vfork events. */
- return 0;
+ return 1;
}
-static int
-inf_child_can_run (struct target_ops *self)
+bool
+inf_child_target::can_create_inferior ()
{
- return 1;
+ return true;
+}
+
+bool
+inf_child_target::can_attach ()
+{
+ return true;
}
-static char *
-inf_child_pid_to_exec_file (struct target_ops *self, int pid)
+char *
+inf_child_target::pid_to_exec_file (int pid)
{
/* This target doesn't support translation of a process ID to the
filename of the executable file. */
return NULL;
}
+int
+inf_child_target::has_all_memory ()
+{
+ return default_child_has_all_memory ();
+}
+
+int
+inf_child_target::has_memory ()
+{
+ return default_child_has_memory ();
+}
+
+int
+inf_child_target::has_stack ()
+{
+ return default_child_has_stack ();
+}
+
+int
+inf_child_target::has_registers ()
+{
+ return default_child_has_registers ();
+}
+
+int
+inf_child_target::has_execution (ptid_t ptid)
+{
+ return default_child_has_execution (ptid);
+}
+
/* Implementation of to_fileio_open. */
-static int
-inf_child_fileio_open (struct target_ops *self,
- struct inferior *inf, const char *filename,
- int flags, int mode, int warn_if_slow,
- int *target_errno)
+int
+inf_child_target::fileio_open (struct inferior *inf, const char *filename,
+ int flags, int mode, int warn_if_slow,
+ int *target_errno)
{
int nat_flags;
mode_t nat_mode;
@@ -232,10 +283,9 @@ inf_child_fileio_open (struct target_ops *self,
/* Implementation of to_fileio_pwrite. */
-static int
-inf_child_fileio_pwrite (struct target_ops *self,
- int fd, const gdb_byte *write_buf, int len,
- ULONGEST offset, int *target_errno)
+int
+inf_child_target::fileio_pwrite (int fd, const gdb_byte *write_buf, int len,
+ ULONGEST offset, int *target_errno)
{
int ret;
@@ -260,10 +310,9 @@ inf_child_fileio_pwrite (struct target_ops *self,
/* Implementation of to_fileio_pread. */
-static int
-inf_child_fileio_pread (struct target_ops *self,
- int fd, gdb_byte *read_buf, int len,
- ULONGEST offset, int *target_errno)
+int
+inf_child_target::fileio_pread (int fd, gdb_byte *read_buf, int len,
+ ULONGEST offset, int *target_errno)
{
int ret;
@@ -288,9 +337,8 @@ inf_child_fileio_pread (struct target_ops *self,
/* Implementation of to_fileio_fstat. */
-static int
-inf_child_fileio_fstat (struct target_ops *self, int fd,
- struct stat *sb, int *target_errno)
+int
+inf_child_target::fileio_fstat (int fd, struct stat *sb, int *target_errno)
{
int ret;
@@ -303,12 +351,12 @@ inf_child_fileio_fstat (struct target_ops *self, int fd,
/* Implementation of to_fileio_close. */
-static int
-inf_child_fileio_close (struct target_ops *self, int fd, int *target_errno)
+int
+inf_child_target::fileio_close (int fd, int *target_errno)
{
int ret;
- ret = close (fd);
+ ret = ::close (fd);
if (ret == -1)
*target_errno = host_to_fileio_error (errno);
@@ -317,10 +365,9 @@ inf_child_fileio_close (struct target_ops *self, int fd, int *target_errno)
/* Implementation of to_fileio_unlink. */
-static int
-inf_child_fileio_unlink (struct target_ops *self,
- struct inferior *inf, const char *filename,
- int *target_errno)
+int
+inf_child_target::fileio_unlink (struct inferior *inf, const char *filename,
+ int *target_errno)
{
int ret;
@@ -333,10 +380,9 @@ inf_child_fileio_unlink (struct target_ops *self,
/* Implementation of to_fileio_readlink. */
-static gdb::optional<std::string>
-inf_child_fileio_readlink (struct target_ops *self,
- struct inferior *inf, const char *filename,
- int *target_errno)
+gdb::optional<std::string>
+inf_child_target::fileio_readlink (struct inferior *inf, const char *filename,
+ int *target_errno)
{
/* We support readlink only on systems that also provide a compile-time
maximum path length (PATH_MAX), at least for now. */
@@ -358,86 +404,25 @@ inf_child_fileio_readlink (struct target_ops *self,
#endif
}
-static int
-inf_child_use_agent (struct target_ops *self, int use)
+int
+inf_child_target::use_agent (int use)
{
if (agent_loaded_p ())
{
- use_agent = use;
+ ::use_agent = use;
return 1;
}
else
return 0;
}
-static int
-inf_child_can_use_agent (struct target_ops *self)
+int
+inf_child_target::can_use_agent ()
{
return agent_loaded_p ();
}
-/* Default implementation of the to_can_async_p and
- to_supports_non_stop methods. */
-
-static int
-return_zero (struct target_ops *ignore)
-{
- return 0;
-}
-
-struct target_ops *
-inf_child_target (void)
-{
- struct target_ops *t = XCNEW (struct target_ops);
-
- t->to_shortname = "native";
- t->to_longname = "Native process";
- t->to_doc = "Native process (started by the \"run\" command).";
- t->to_open = inf_child_open;
- t->to_close = inf_child_close;
- t->to_disconnect = inf_child_disconnect;
- t->to_post_attach = inf_child_post_attach;
- t->to_fetch_registers = inf_child_fetch_inferior_registers;
- t->to_store_registers = inf_child_store_inferior_registers;
- t->to_prepare_to_store = inf_child_prepare_to_store;
- t->to_insert_breakpoint = memory_insert_breakpoint;
- t->to_remove_breakpoint = memory_remove_breakpoint;
- t->to_terminal_init = child_terminal_init;
- t->to_terminal_inferior = child_terminal_inferior;
- t->to_terminal_save_inferior = child_terminal_save_inferior;
- t->to_terminal_ours_for_output = child_terminal_ours_for_output;
- t->to_terminal_ours = child_terminal_ours;
- t->to_terminal_info = child_terminal_info;
- t->to_pass_ctrlc = child_pass_ctrlc;
- t->to_interrupt = child_interrupt;
- t->to_post_startup_inferior = inf_child_post_startup_inferior;
- t->to_follow_fork = inf_child_follow_fork;
- t->to_can_run = inf_child_can_run;
- /* We must default these because they must be implemented by any
- target that can run. */
- t->to_can_async_p = return_zero;
- t->to_supports_non_stop = return_zero;
- t->to_pid_to_exec_file = inf_child_pid_to_exec_file;
- t->to_stratum = process_stratum;
- t->to_has_all_memory = default_child_has_all_memory;
- t->to_has_memory = default_child_has_memory;
- t->to_has_stack = default_child_has_stack;
- t->to_has_registers = default_child_has_registers;
- t->to_has_execution = default_child_has_execution;
- t->to_fileio_open = inf_child_fileio_open;
- t->to_fileio_pwrite = inf_child_fileio_pwrite;
- t->to_fileio_pread = inf_child_fileio_pread;
- t->to_fileio_fstat = inf_child_fileio_fstat;
- t->to_fileio_close = inf_child_fileio_close;
- t->to_fileio_unlink = inf_child_fileio_unlink;
- t->to_fileio_readlink = inf_child_fileio_readlink;
- t->to_magic = OPS_MAGIC;
- t->to_use_agent = inf_child_use_agent;
- t->to_can_use_agent = inf_child_can_use_agent;
-
- /* Store a pointer so we can push the most-derived target from
- inf_child_open. */
- inf_child_ops = t;
-
- return t;
+inf_child_target::inf_child_target ()
+{
+ this->to_stratum = process_stratum;
}