diff options
Diffstat (limited to 'gdb/gdbserver/server.h')
| -rw-r--r-- | gdb/gdbserver/server.h | 159 |
1 files changed, 147 insertions, 12 deletions
diff --git a/gdb/gdbserver/server.h b/gdb/gdbserver/server.h index 817b5c47ef9..07a5cac9224 100644 --- a/gdb/gdbserver/server.h +++ b/gdb/gdbserver/server.h @@ -77,6 +77,70 @@ 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 @@ -86,7 +150,7 @@ struct inferior_list }; struct inferior_list_entry { - unsigned long id; + ptid_t id; struct inferior_list_entry *next; }; @@ -100,6 +164,32 @@ struct dll_info CORE_ADDR base_addr; }; +struct sym_cache; +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; + + /* 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. */ + +extern struct process_info *current_process (void); + #include "regcache.h" #include "gdb/signals.h" @@ -112,22 +202,36 @@ 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 *)); + +#define FOR_EACH_INFERIOR(TYPE, INF_LIST, INF) \ + for (INF = (TYPE *)(INF_LIST)->head; \ + INF != NULL; \ + INF = (TYPE *)((struct inferior_list_entry *)INF)->next) \ + 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); + +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 @@ -136,7 +240,7 @@ 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 *); @@ -149,11 +253,10 @@ 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 unsigned long thread_from_wait; -extern unsigned long old_thread_from_wait; +extern ptid_t cont_thread; +extern ptid_t general_thread; +extern ptid_t step_thread; + extern int server_waiting; extern int debug_threads; extern int pass_signals[]; @@ -165,6 +268,26 @@ 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. */ +typedef void *gdb_client_data; +typedef void (handler_func) (int, gdb_client_data); + +extern void delete_file_handler (int fd); +extern void add_file_handler (int fd, handler_func *proc, + gdb_client_data client_data); + +extern void start_event_loop (void); + +/* Functions from server.c. */ + +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 (ptid_t ptid, struct target_waitstatus *status); + /* Functions from hostio.c. */ extern int handle_vFile (char *, int, int *); @@ -178,8 +301,12 @@ 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); int getpkt (char *buf); void remote_open (char *name); void remote_close (void); @@ -193,7 +320,8 @@ 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, char status, unsigned char sig); +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); void decode_address (CORE_ADDR *addrp, const char *start, int len); @@ -236,6 +364,13 @@ void error (const char *string,...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2); void fatal (const char *string,...) ATTR_NORETURN ATTR_FORMAT (printf, 1, 2); void warning (const char *string,...) ATTR_FORMAT (printf, 1, 2); +void internal_error_file_line (const char *file, int line, + const char *string, ...) + ATTR_NORETURN ATTR_FORMAT (printf, 3, 4); + +#define internal_error(FMT, ...) \ + internal_error_file_line (__FILE__, __LINE__, FMT, ##__VA_ARGS__) + /* Maximum number of bytes to read/write at once. The value here is chosen to fill up a packet (the headers account for the 32). */ #define MAXBUFBYTES(N) (((N)-32)/2) |