diff options
Diffstat (limited to 'gdb/gdbserver/server.h')
| -rw-r--r-- | gdb/gdbserver/server.h | 132 |
1 files changed, 121 insertions, 11 deletions
diff --git a/gdb/gdbserver/server.h b/gdb/gdbserver/server.h index 12fef0f..1af5313 100644 --- a/gdb/gdbserver/server.h +++ b/gdb/gdbserver/server.h @@ -85,6 +85,70 @@ typedef unsigned char gdb_byte; least the size of a (void *). */ typedef long long CORE_ADDR; +typedef unsigned long long ULONGEST; + +/* The ptid struct is a collection of the various "ids" necessary + for identifying the inferior. This consists of the process id + (pid), thread id (tid), and other fields necessary for uniquely + identifying the inferior process/thread being debugged. When + manipulating ptids, the constructors, accessors, and predicate + declared in server.h should be used. These are as follows: + + ptid_build - Make a new ptid from a pid, lwp, and tid. + pid_to_ptid - Make a new ptid from just a pid. + ptid_get_pid - Fetch the pid component of a ptid. + ptid_get_lwp - Fetch the lwp component of a ptid. + ptid_get_tid - Fetch the tid component of a ptid. + ptid_equal - Test to see if two ptids are equal. + + Please do NOT access the struct ptid members directly (except, of + course, in the implementation of the above ptid manipulation + functions). */ + +struct ptid + { + /* Process id */ + int pid; + + /* Lightweight process id */ + long lwp; + + /* Thread id */ + long tid; + }; + +typedef struct ptid ptid_t; + +/* The -1 ptid, often used to indicate either an error condition or a + "don't care" condition, i.e, "run all threads". */ +extern ptid_t minus_one_ptid; + +/* The null or zero ptid, often used to indicate no process. */ +extern ptid_t null_ptid; + +/* Attempt to find and return an existing ptid with the given PID, + LWP, and TID components. If none exists, create a new one and + return that. */ +ptid_t ptid_build (int pid, long lwp, long tid); + +/* Create a ptid from just a pid. */ +ptid_t pid_to_ptid (int pid); + +/* Fetch the pid (process id) component from a ptid. */ +int ptid_get_pid (ptid_t ptid); + +/* Fetch the lwp (lightweight process) component from a ptid. */ +long ptid_get_lwp (ptid_t ptid); + +/* Fetch the tid (thread id) component from a ptid. */ +long ptid_get_tid (ptid_t ptid); + +/* Compare two ptids to see if they are equal. */ +extern int ptid_equal (ptid_t p1, ptid_t p2); + +/* Return true if this ptid represents a process id. */ +extern int ptid_is_pid (ptid_t ptid); + /* Generic information for tracking a list of ``inferiors'' - threads, processes, etc. */ struct inferior_list @@ -94,7 +158,7 @@ struct inferior_list }; struct inferior_list_entry { - unsigned long id; + ptid_t id; struct inferior_list_entry *next; }; @@ -108,6 +172,36 @@ struct dll_info CORE_ADDR base_addr; }; +struct sym_cache; +struct breakpoint; +struct process_info_private; + +struct process_info +{ + struct inferior_list_entry head; + + int attached; + + /* The symbol cache. */ + struct sym_cache *symbol_cache; + + /* If this flag has been set, assume symbol cache misses are + failures. */ + int all_symbols_looked_up; + + /* The list of memory breakpoints. */ + struct breakpoint *breakpoints; + + /* Private target data. */ + struct process_info_private *private; +}; + +/* Return a pointer to the process that corresponds to the current + thread (current_inferior). It is an error to call this if there is + no current thread selected. */ + +struct process_info *current_process (void); + #include "regcache.h" #include "gdb/signals.h" #include "gdb_signals.h" @@ -120,22 +214,33 @@ void initialize_low (); /* From inferiors.c. */ +extern struct inferior_list all_processes; extern struct inferior_list all_threads; extern struct inferior_list all_dlls; extern int dlls_changed; +void initialize_inferiors (void); + 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 *)); + extern struct thread_info *current_inferior; void remove_inferior (struct inferior_list *list, struct inferior_list_entry *entry); void remove_thread (struct thread_info *thread); -void add_thread (unsigned long thread_id, void *target_data, unsigned int); -unsigned int thread_id_to_gdb_id (unsigned long); -unsigned int thread_to_gdb_id (struct thread_info *); -unsigned long gdb_id_to_thread_id (unsigned int); +void add_thread (ptid_t ptid, void *target_data); + +struct process_info *add_process (int pid, int attached); +void remove_process (struct process_info *process); +struct process_info *find_process_pid (int pid); + +struct thread_info *find_thread_pid (ptid_t ptid); + +ptid_t thread_id_to_gdb_id (ptid_t); +ptid_t thread_to_gdb_id (struct thread_info *); +ptid_t gdb_id_to_thread_id (ptid_t); struct thread_info *gdb_id_to_thread (unsigned int); void clear_inferiors (void); struct inferior_list_entry *find_inferior @@ -144,7 +249,7 @@ struct inferior_list_entry *find_inferior void *), void *arg); struct inferior_list_entry *find_inferior_id (struct inferior_list *list, - unsigned long id); + 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 *); @@ -157,9 +262,9 @@ void unloaded_dll (const char *name, CORE_ADDR base_addr); /* Public variables in server.c */ -extern unsigned long cont_thread; -extern unsigned long general_thread; -extern unsigned long step_thread; +extern ptid_t cont_thread; +extern ptid_t general_thread; +extern ptid_t step_thread; extern int server_waiting; extern int debug_threads; @@ -172,6 +277,7 @@ extern int disable_packet_Tthread; extern int disable_packet_qC; extern int disable_packet_qfThreadInfo; +extern int multi_process; extern int non_stop; /* Functions from event-loop.c. */ @@ -188,7 +294,7 @@ extern void start_event_loop (void); extern void handle_serial_event (int err, gdb_client_data client_data); extern void handle_target_event (int err, gdb_client_data client_data); -extern void push_event (unsigned long ptid, struct target_waitstatus *status); +extern void push_event (ptid_t ptid, struct target_waitstatus *status); /* Functions from hostio.c. */ extern int handle_vFile (char *, int, int *); @@ -203,6 +309,9 @@ extern int all_symbols_looked_up; extern int noack_mode; extern int transport_is_reliable; +ptid_t read_ptid (char *buf, char **obuf); +char *write_ptid (char *buf, ptid_t ptid); + int putpkt (char *buf); int putpkt_binary (char *buf, int len); int putpkt_notif (char *buf); @@ -219,7 +328,7 @@ void convert_ascii_to_int (char *from, unsigned char *to, int n); void convert_int_to_ascii (unsigned char *from, char *to, int n); void new_thread_notify (int id); void dead_thread_notify (int id); -void prepare_resume_reply (char *buf, unsigned long thread_id, +void prepare_resume_reply (char *buf, ptid_t ptid, struct target_waitstatus *status); const char *decode_address_to_semicolon (CORE_ADDR *addrp, const char *start); @@ -244,6 +353,7 @@ int remote_escape_output (const gdb_byte *buffer, int len, gdb_byte *out_buf, int *out_len, int out_maxlen); +void clear_symbol_cache (struct sym_cache **symcache_p); int look_up_one_symbol (const char *name, CORE_ADDR *addrp); void monitor_output (const char *msg); |