diff options
Diffstat (limited to 'gdb/inf-child.c')
-rw-r--r-- | gdb/inf-child.c | 295 |
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; } |