/* Inferior process information for the remote server for GDB.
- Copyright (C) 1993-2015 Free Software Foundation, Inc.
+ Copyright (C) 1993-2020 Free Software Foundation, Inc.
This file is part of GDB.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
-#ifndef INFERIORS_H
-#define INFERIORS_H
+#ifndef GDBSERVER_INFERIORS_H
+#define GDBSERVER_INFERIORS_H
-/* Generic information for tracking a list of ``inferiors'' - threads,
- processes, etc. */
-struct inferior_list
-{
- struct inferior_list_entry *head;
- struct inferior_list_entry *tail;
-};
-struct inferior_list_entry
-{
- ptid_t id;
- struct inferior_list_entry *next;
-};
+#include "gdbsupport/gdb_vecs.h"
+#include <list>
struct thread_info;
+struct regcache;
struct target_desc;
struct sym_cache;
struct breakpoint;
struct process_info
{
- /* This must appear first.
- The list iterator functions assume it. */
- struct inferior_list_entry entry;
+ process_info (int pid_, int attached_)
+ : pid (pid_), attached (attached_)
+ {}
+
+ /* This process' pid. */
+ int pid;
/* Nonzero if this child process was attached rather than
spawned. */
/* True if GDB asked us to detach from this process, but we remained
attached anyway. */
- int gdb_detached;
+ int gdb_detached = 0;
/* The symbol cache. */
- struct sym_cache *symbol_cache;
+ struct sym_cache *symbol_cache = NULL;
/* The list of memory breakpoints. */
- struct breakpoint *breakpoints;
+ struct breakpoint *breakpoints = NULL;
/* The list of raw memory breakpoints. */
- struct raw_breakpoint *raw_breakpoints;
+ struct raw_breakpoint *raw_breakpoints = NULL;
/* The list of installed fast tracepoints. */
- struct fast_tracepoint_jump *fast_tracepoint_jumps;
+ struct fast_tracepoint_jump *fast_tracepoint_jumps = NULL;
+
+ /* The list of syscalls to report, or just a single element, ANY_SYSCALL,
+ for unfiltered syscall reporting. */
+ std::vector<int> syscalls_to_catch;
- const struct target_desc *tdesc;
+ const struct target_desc *tdesc = NULL;
/* Private target data. */
- struct process_info_private *priv;
+ struct process_info_private *priv = NULL;
};
-#define ptid_of(inf) ((inf)->entry.id)
-#define pid_of(inf) ptid_get_pid ((inf)->entry.id)
-#define lwpid_of(inf) ptid_get_lwp ((inf)->entry.id)
+/* Get the pid of PROC. */
+
+static inline int
+pid_of (const process_info *proc)
+{
+ return proc->pid;
+}
/* Return a pointer to the process that corresponds to the current
thread (current_thread). It is an error to call this if there is
no current thread selected. */
struct process_info *current_process (void);
-struct process_info *get_thread_process (struct thread_info *);
+struct process_info *get_thread_process (const struct thread_info *);
-extern struct inferior_list all_processes;
+extern std::list<process_info *> all_processes;
-void add_inferior_to_list (struct inferior_list *list,
- struct inferior_list_entry *new_inferior);
-void for_each_inferior (struct inferior_list *list,
- void (*action) (struct inferior_list_entry *));
+/* Invoke FUNC for each process. */
-void for_each_inferior_with_data
- (struct inferior_list *list,
- void (*action) (struct inferior_list_entry *, void *),
- void *data);
-
-void clear_inferior_list (struct inferior_list *list);
-
-int one_inferior_p (struct inferior_list *list);
+template <typename Func>
+static void
+for_each_process (Func func)
+{
+ std::list<process_info *>::iterator next, cur = all_processes.begin ();
+
+ while (cur != all_processes.end ())
+ {
+ next = cur;
+ next++;
+ func (*cur);
+ cur = next;
+ }
+}
+
+/* Find the first process for which FUNC returns true. Return NULL if no
+ process satisfying FUNC is found. */
+
+template <typename Func>
+static process_info *
+find_process (Func func)
+{
+ std::list<process_info *>::iterator next, cur = all_processes.begin ();
-/* Helper for ALL_INFERIORS_TYPE. Gets the next element starting at
- CUR, if CUR is not NULL. */
-#define A_I_NEXT(type, list, cur) \
- ((cur) != NULL \
- ? (type *) ((struct inferior_list_entry *) cur)->next \
- : NULL)
+ while (cur != all_processes.end ())
+ {
+ next = cur;
+ next++;
-/* Iterate over all inferiors of type TYPE in LIST, open loop
- style. */
-#define ALL_INFERIORS_TYPE(type, list, cur, tmp) \
- for ((cur) = (type *) (list)->head, (tmp) = A_I_NEXT (type, list, cur); \
- (cur) != NULL; \
- (cur) = (tmp), (tmp) = A_I_NEXT (type, list, cur))
+ if (func (*cur))
+ return *cur;
-/* Iterate over all inferiors in LIST, open loop style. */
-#define ALL_INFERIORS(list, cur, tmp) \
- ALL_INFERIORS_TYPE (struct inferior_list_entry, list, cur, tmp)
+ cur = next;
+ }
-/* Iterate over all processes, open loop style. */
-#define ALL_PROCESSES(cur, tmp) \
- ALL_INFERIORS_TYPE (struct process_info, &all_processes, cur, tmp)
+ return NULL;
+}
extern struct thread_info *current_thread;
-void remove_inferior (struct inferior_list *list,
- struct inferior_list_entry *entry);
-struct inferior_list_entry *get_first_inferior (struct inferior_list *list);
+/* Return the first process in the processes list. */
+struct process_info *get_first_process (void);
struct process_info *add_process (int pid, int attached);
void remove_process (struct process_info *process);
int have_started_inferiors_p (void);
int have_attached_inferiors_p (void);
-ptid_t thread_to_gdb_id (struct thread_info *);
-ptid_t gdb_id_to_thread_id (ptid_t);
-
void clear_inferiors (void);
-struct inferior_list_entry *find_inferior
- (struct inferior_list *,
- int (*func) (struct inferior_list_entry *,
- void *),
- void *arg);
-struct inferior_list_entry *find_inferior_id (struct inferior_list *list,
- ptid_t id);
-
-void *inferior_target_data (struct thread_info *);
-void set_inferior_target_data (struct thread_info *, void *);
-void *inferior_regcache_data (struct thread_info *);
-void set_inferior_regcache_data (struct thread_info *, void *);
-
-#endif /* INFERIORS_H */
+
+void *thread_target_data (struct thread_info *);
+struct regcache *thread_regcache_data (struct thread_info *);
+void set_thread_regcache_data (struct thread_info *, struct regcache *);
+
+#endif /* GDBSERVER_INFERIORS_H */
projects / deliverable / binutils-gdb.git / blobdiff