/* Common definitions for remote server for GDB.
- Copyright (C) 1993, 1995, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1993-2013 Free Software Foundation, Inc.
This file is part of GDB.
#define SERVER_H
#include "config.h"
+#include "build-gnulib-gdbserver/config.h"
#ifdef __MINGW32CE__
#include "wincecompat.h"
#endif
+#include "libiberty.h"
+#include "ansidecl.h"
+#include "version.h"
+
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#endif
+#ifdef HAVE_ALLOCA_H
+#include <alloca.h>
+#endif
+/* On some systems such as MinGW, alloca is declared in malloc.h
+ (there is no alloca.h). */
+#if HAVE_MALLOC_H
+#include <malloc.h>
+#endif
+
#if !HAVE_DECL_STRERROR
#ifndef strerror
extern char *strerror (int); /* X3.159-1989 4.11.6.2 */
#endif
#endif
-#ifndef ATTR_NORETURN
-#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 7))
-#define ATTR_NORETURN __attribute__ ((noreturn))
-#else
-#define ATTR_NORETURN /* nothing */
+#if !HAVE_DECL_VASPRINTF
+extern int vasprintf(char **strp, const char *fmt, va_list ap);
#endif
+#if !HAVE_DECL_VSNPRINTF
+int vsnprintf(char *str, size_t size, const char *format, va_list ap);
#endif
-#ifndef ATTR_FORMAT
-#if defined(__GNUC__) && (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 4))
-#define ATTR_FORMAT(type, x, y) __attribute__ ((format(type, x, y)))
-#else
-#define ATTR_FORMAT(type, x, y) /* nothing */
+/* Define underscore macro, if not available, to be able to use it inside
+ code shared with gdb in common directory. */
+#ifndef _
+#define _(String) (String)
#endif
+
+#ifdef IN_PROCESS_AGENT
+# define PROG "ipa"
+#else
+# define PROG "gdbserver"
#endif
/* A type used for binary buffers. */
typedef unsigned char gdb_byte;
+#include "ptid.h"
+#include "buffer.h"
+#include "xml-utils.h"
+#include "gdb_locale.h"
+
/* FIXME: This should probably be autoconf'd for. It's an integer type at
least the size of a (void *). */
typedef long long CORE_ADDR;
+typedef long long LONGEST;
+typedef unsigned long long ULONGEST;
+
/* Generic information for tracking a list of ``inferiors'' - threads,
processes, etc. */
struct inferior_list
};
struct inferior_list_entry
{
- unsigned long id;
+ ptid_t id;
struct inferior_list_entry *next;
};
-/* Opaque type for user-visible threads. */
struct thread_info;
+struct process_info;
+struct regcache;
+struct target_desc;
+
+#include "regcache.h"
+#include "gdb/signals.h"
+#include "gdb_signals.h"
+#include "target.h"
+#include "mem-break.h"
+#include "gdbthread.h"
struct dll_info
{
CORE_ADDR base_addr;
};
-#include "regcache.h"
-#include "gdb/signals.h"
+struct sym_cache;
+struct breakpoint;
+struct raw_breakpoint;
+struct fast_tracepoint_jump;
+struct process_info_private;
-#include "target.h"
-#include "mem-break.h"
+struct process_info
+{
+ struct inferior_list_entry head;
+
+ /* Nonzero if this child process was attached rather than
+ spawned. */
+ int attached;
+
+ /* True if GDB asked us to detach from this process, but we remained
+ attached anyway. */
+ int gdb_detached;
+
+ /* The symbol cache. */
+ struct sym_cache *symbol_cache;
+
+ /* The list of memory breakpoints. */
+ struct breakpoint *breakpoints;
+
+ /* The list of raw memory breakpoints. */
+ struct raw_breakpoint *raw_breakpoints;
+
+ /* The list of installed fast tracepoints. */
+ struct fast_tracepoint_jump *fast_tracepoint_jumps;
+
+ const struct target_desc *tdesc;
+
+ /* 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);
+struct process_info *get_thread_process (struct thread_info *);
/* Target-specific functions */
/* From inferiors.c. */
-extern struct inferior_list all_threads;
+extern struct inferior_list all_processes;
extern struct inferior_list all_dlls;
extern int dlls_changed;
+extern void clear_dlls (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);
-struct thread_info *gdb_id_to_thread (unsigned int);
+
+struct process_info *add_process (int pid, int attached);
+void remove_process (struct process_info *process);
+struct process_info *find_process_pid (int pid);
+int have_started_inferiors_p (void);
+int have_attached_inferiors_p (void);
+
+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);
+
void clear_inferiors (void);
struct inferior_list_entry *find_inferior
(struct inferior_list *,
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 *);
void set_inferior_regcache_data (struct thread_info *, void *);
-void add_pid_to_list (struct inferior_list *list, unsigned long pid);
-int pull_pid_from_list (struct inferior_list *list, unsigned long pid);
void loaded_dll (const char *name, CORE_ADDR base_addr);
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 int server_waiting;
extern int debug_threads;
+extern int debug_hw_points;
extern int pass_signals[];
+extern int program_signals[];
+extern int program_signals_p;
extern jmp_buf toplevel;
extern int disable_packet_qC;
extern int disable_packet_qfThreadInfo;
+extern int run_once;
+extern int multi_process;
+extern int non_stop;
+
+extern int disable_randomization;
+
+#if USE_WIN32API
+#include <winsock2.h>
+typedef SOCKET gdb_fildes_t;
+#else
+typedef int gdb_fildes_t;
+#endif
+
+/* Functions from event-loop.c. */
+typedef void *gdb_client_data;
+typedef int (handler_func) (int, gdb_client_data);
+typedef int (callback_handler_func) (gdb_client_data);
+
+extern void delete_file_handler (gdb_fildes_t fd);
+extern void add_file_handler (gdb_fildes_t fd, handler_func *proc,
+ gdb_client_data client_data);
+extern int append_callback_event (callback_handler_func *proc,
+ gdb_client_data client_data);
+extern void delete_callback_event (int id);
+
+extern void start_event_loop (void);
+extern void initialize_event_loop (void);
+
+/* Functions from server.c. */
+extern int handle_serial_event (int err, gdb_client_data client_data);
+extern int handle_target_event (int err, gdb_client_data client_data);
+
/* Functions from hostio.c. */
extern int handle_vFile (char *, int, int *);
/* From remote-utils.c */
extern int remote_debug;
-extern int all_symbols_looked_up;
+extern int noack_mode;
+extern int transport_is_reliable;
+
+int gdb_connected (void);
+
+#define STDIO_CONNECTION_NAME "stdio"
+int remote_connection_is_stdio (void);
+
+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_prepare (char *name);
void remote_open (char *name);
void remote_close (void);
void write_ok (char *buf);
void enable_async_io (void);
void disable_async_io (void);
void check_remote_input_interrupt_request (void);
-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 convert_ascii_to_int (const char *from, unsigned char *to, int n);
+void convert_int_to_ascii (const 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);
void decode_m_packet (char *from, CORE_ADDR * mem_addr_ptr,
unsigned int *len_ptr);
void decode_M_packet (char *from, CORE_ADDR * mem_addr_ptr,
- unsigned int *len_ptr, unsigned char *to);
+ unsigned int *len_ptr, unsigned char **to_p);
int decode_X_packet (char *from, int packet_len, CORE_ADDR * mem_addr_ptr,
- unsigned int *len_ptr, unsigned char *to);
-int decode_xfer_write (char *buf, int packet_len, char **annex,
+ unsigned int *len_ptr, unsigned char **to_p);
+int decode_xfer_write (char *buf, int packet_len,
CORE_ADDR *offset, unsigned int *len,
unsigned char *data);
int decode_search_memory_packet (const char *buf, int packet_len,
CORE_ADDR *start_addrp,
CORE_ADDR *search_space_lenp,
- gdb_byte *pattern, unsigned int *pattern_lenp);
+ gdb_byte *pattern,
+ unsigned int *pattern_lenp);
int unhexify (char *bin, const char *hex, int count);
int hexify (char *hex, const char *bin, int count);
int remote_escape_output (const gdb_byte *buffer, int len,
gdb_byte *out_buf, int *out_len,
int out_maxlen);
+char *unpack_varlen_hex (char *buff, ULONGEST *result);
-int look_up_one_symbol (const char *name, CORE_ADDR *addrp);
-
-void monitor_output (const char *msg);
+void clear_symbol_cache (struct sym_cache **symcache_p);
+int look_up_one_symbol (const char *name, CORE_ADDR *addrp, int may_ask_gdb);
-char *xml_escape_text (const char *text);
+int relocate_instruction (CORE_ADDR *to, CORE_ADDR oldloc);
-/* Functions from ``signals.c''. */
-enum target_signal target_signal_from_host (int hostsig);
-int target_signal_to_host_p (enum target_signal oursig);
-int target_signal_to_host (enum target_signal oursig);
-char *target_signal_to_name (enum target_signal);
+void monitor_output (const char *msg);
/* Functions from utils.c */
+#include "common-utils.h"
+
+void perror_with_name (const char *string);
+void error (const char *string,...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
+void fatal (const char *string,...) ATTRIBUTE_NORETURN ATTRIBUTE_PRINTF (1, 2);
+void warning (const char *string,...) ATTRIBUTE_PRINTF (1, 2);
+char *paddress (CORE_ADDR addr);
+char *pulongest (ULONGEST u);
+char *plongest (LONGEST l);
+char *phex_nz (ULONGEST l, int sizeof_l);
+char *pfildes (gdb_fildes_t fd);
-void perror_with_name (char *string);
-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);
+#include "gdb_assert.h"
/* 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). */
as large as the largest register set supported by gdbserver. */
#define PBUFSIZ 16384
-/* Version information, from version.c. */
-extern const char version[];
-extern const char host_name[];
+/* Functions from tracepoint.c */
+
+/* Size for a small buffer to report problems from the in-process
+ agent back to GDBserver. */
+#define IPA_BUFSIZ 100
+
+void initialize_tracepoint (void);
+
+extern int tracing;
+extern int disconnected_tracing;
+
+void tracepoint_look_up_symbols (void);
+
+void stop_tracing (void);
+
+int handle_tracepoint_general_set (char *own_buf);
+int handle_tracepoint_query (char *own_buf);
+
+int tracepoint_finished_step (struct thread_info *tinfo, CORE_ADDR stop_pc);
+int tracepoint_was_hit (struct thread_info *tinfo, CORE_ADDR stop_pc);
+
+void release_while_stepping_state_list (struct thread_info *tinfo);
+
+extern int current_traceframe;
+
+int in_readonly_region (CORE_ADDR addr, ULONGEST length);
+int traceframe_read_mem (int tfnum, CORE_ADDR addr,
+ unsigned char *buf, ULONGEST length,
+ ULONGEST *nbytes);
+int fetch_traceframe_registers (int tfnum,
+ struct regcache *regcache,
+ int regnum);
+
+int traceframe_read_sdata (int tfnum, ULONGEST offset,
+ unsigned char *buf, ULONGEST length,
+ ULONGEST *nbytes);
+
+int traceframe_read_info (int tfnum, struct buffer *buffer);
+
+/* If a thread is determined to be collecting a fast tracepoint, this
+ structure holds the collect status. */
+
+struct fast_tpoint_collect_status
+{
+ /* The tracepoint that is presently being collected. */
+ int tpoint_num;
+ CORE_ADDR tpoint_addr;
+
+ /* The address range in the jump pad of where the original
+ instruction the tracepoint jump was inserted was relocated
+ to. */
+ CORE_ADDR adjusted_insn_addr;
+ CORE_ADDR adjusted_insn_addr_end;
+};
+
+int fast_tracepoint_collecting (CORE_ADDR thread_area,
+ CORE_ADDR stop_pc,
+ struct fast_tpoint_collect_status *status);
+void force_unlock_trace_buffer (void);
+
+int handle_tracepoint_bkpts (struct thread_info *tinfo, CORE_ADDR stop_pc);
+
+#ifdef IN_PROCESS_AGENT
+void initialize_low_tracepoint (void);
+void supply_fast_tracepoint_registers (struct regcache *regcache,
+ const unsigned char *regs);
+void supply_static_tracepoint_registers (struct regcache *regcache,
+ const unsigned char *regs,
+ CORE_ADDR pc);
+void set_trampoline_buffer_space (CORE_ADDR begin, CORE_ADDR end,
+ char *errmsg);
+
+extern const struct target_desc *ipa_tdesc;
+
+#else
+void stop_tracing (void);
+
+int claim_trampoline_space (ULONGEST used, CORE_ADDR *trampoline);
+int have_fast_tracepoint_trampoline_buffer (char *msgbuf);
+void gdb_agent_about_to_close (int pid);
+#endif
+
+struct traceframe;
+struct eval_agent_expr_context;
+
+/* Do memory copies for bytecodes. */
+/* Do the recording of memory blocks for actions and bytecodes. */
+
+int agent_mem_read (struct eval_agent_expr_context *ctx,
+ unsigned char *to, CORE_ADDR from,
+ ULONGEST len);
+
+LONGEST agent_get_trace_state_variable_value (int num);
+void agent_set_trace_state_variable_value (int num, LONGEST val);
+
+/* Record the value of a trace state variable. */
+
+int agent_tsv_read (struct eval_agent_expr_context *ctx, int n);
+int agent_mem_read_string (struct eval_agent_expr_context *ctx,
+ unsigned char *to,
+ CORE_ADDR from,
+ ULONGEST len);
+
+/* Bytecode compilation function vector. */
+
+struct emit_ops
+{
+ void (*emit_prologue) (void);
+ void (*emit_epilogue) (void);
+ void (*emit_add) (void);
+ void (*emit_sub) (void);
+ void (*emit_mul) (void);
+ void (*emit_lsh) (void);
+ void (*emit_rsh_signed) (void);
+ void (*emit_rsh_unsigned) (void);
+ void (*emit_ext) (int arg);
+ void (*emit_log_not) (void);
+ void (*emit_bit_and) (void);
+ void (*emit_bit_or) (void);
+ void (*emit_bit_xor) (void);
+ void (*emit_bit_not) (void);
+ void (*emit_equal) (void);
+ void (*emit_less_signed) (void);
+ void (*emit_less_unsigned) (void);
+ void (*emit_ref) (int size);
+ void (*emit_if_goto) (int *offset_p, int *size_p);
+ void (*emit_goto) (int *offset_p, int *size_p);
+ void (*write_goto_address) (CORE_ADDR from, CORE_ADDR to, int size);
+ void (*emit_const) (LONGEST num);
+ void (*emit_call) (CORE_ADDR fn);
+ void (*emit_reg) (int reg);
+ void (*emit_pop) (void);
+ void (*emit_stack_flush) (void);
+ void (*emit_zero_ext) (int arg);
+ void (*emit_swap) (void);
+ void (*emit_stack_adjust) (int n);
+
+ /* Emit code for a generic function that takes one fixed integer
+ argument and returns a 64-bit int (for instance, tsv getter). */
+ void (*emit_int_call_1) (CORE_ADDR fn, int arg1);
+
+ /* Emit code for a generic function that takes one fixed integer
+ argument and a 64-bit int from the top of the stack, and returns
+ nothing (for instance, tsv setter). */
+ void (*emit_void_call_2) (CORE_ADDR fn, int arg1);
+
+ /* Emit code specialized for common combinations of compare followed
+ by a goto. */
+ void (*emit_eq_goto) (int *offset_p, int *size_p);
+ void (*emit_ne_goto) (int *offset_p, int *size_p);
+ void (*emit_lt_goto) (int *offset_p, int *size_p);
+ void (*emit_le_goto) (int *offset_p, int *size_p);
+ void (*emit_gt_goto) (int *offset_p, int *size_p);
+ void (*emit_ge_goto) (int *offset_p, int *size_p);
+};
+
+/* Returns the address of the get_raw_reg function in the IPA. */
+CORE_ADDR get_raw_reg_func_addr (void);
+/* Returns the address of the get_trace_state_variable_value
+ function in the IPA. */
+CORE_ADDR get_get_tsv_func_addr (void);
+/* Returns the address of the set_trace_state_variable_value
+ function in the IPA. */
+CORE_ADDR get_set_tsv_func_addr (void);
+
+extern CORE_ADDR current_insn_ptr;
+extern int emit_error;
#endif /* SERVER_H */
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