/* Common definitions for remote server for GDB.
- Copyright (C) 1993, 1995, 1997, 1998, 1999, 2000, 2002, 2003, 2004, 2005,
- 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1995, 1997-2000, 2002-2012 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 <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
-#if !HAVE_DECL_MEMMEM
-extern void *memmem (const void *, size_t , const void *, size_t);
-#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 */
-#endif
+/* 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
-#ifndef ATTR_MALLOC
-#if defined(__GNUC__) && (__GNUC__ >= 3)
-#define ATTR_MALLOC __attribute__ ((__malloc__))
+#ifdef IN_PROCESS_AGENT
+# define PROG "ipa"
#else
-#define ATTR_MALLOC /* nothing */
-#endif
+# 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;
-/* 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
#include "gdb_signals.h"
#include "target.h"
#include "mem-break.h"
-
-struct thread_info
-{
- struct inferior_list_entry entry;
- void *target_data;
- void *regcache_data;
-
- /* The last resume GDB requested on this thread. */
- enum resume_kind last_resume_kind;
-
- /* The last wait status reported for this thread. */
- struct target_waitstatus last_status;
-
- /* Given `while-stepping', a thread may be collecting data for more
- than one tracepoint simultaneously. E.g.:
-
- ff0001 INSN1 <-- TP1, while-stepping 10 collect $regs
- ff0002 INSN2
- ff0003 INSN3 <-- TP2, collect $regs
- ff0004 INSN4 <-- TP3, while-stepping 10 collect $regs
- ff0005 INSN5
-
- Notice that when instruction INSN5 is reached, the while-stepping
- actions of both TP1 and TP3 are still being collected, and that TP2
- had been collected meanwhile. The whole range of ff0001-ff0005
- should be single-stepped, due to at least TP1's while-stepping
- action covering the whole range.
-
- On the other hand, the same tracepoint with a while-stepping action
- may be hit by more than one thread simultaneously, hence we can't
- keep the current step count in the tracepoint itself.
-
- This is the head of the list of the states of `while-stepping'
- tracepoint actions this thread is now collecting; NULL if empty.
- Each item in the list holds the current step of the while-stepping
- action. */
- struct wstep_state *while_stepping;
-};
+#include "gdbthread.h"
struct dll_info
{
struct sym_cache;
struct breakpoint;
struct raw_breakpoint;
+struct fast_tracepoint_jump;
struct process_info_private;
struct process_info
/* 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;
/* The list of raw memory breakpoints. */
struct raw_breakpoint *raw_breakpoints;
+ /* The list of installed fast tracepoints. */
+ struct fast_tracepoint_jump *fast_tracepoint_jumps;
+
/* Private target data. */
struct process_info_private *private;
};
/* 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);
+extern void clear_dlls (void);
void add_inferior_to_list (struct inferior_list *list,
struct inferior_list_entry *new_inferior);
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 (ptid_t ptid, void *target_data);
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);
-struct thread_info *find_thread_ptid (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
(struct inferior_list *,
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);
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 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 (int fd);
-extern void add_file_handler (int fd, handler_func *proc,
+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 int handle_serial_event (int err, gdb_client_data client_data);
extern int 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 *);
/* 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_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, ptid_t ptid,
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);
char *unpack_varlen_hex (char *buff, ULONGEST *result);
void clear_symbol_cache (struct sym_cache **symcache_p);
-int look_up_one_symbol (const char *name, CORE_ADDR *addrp);
+int look_up_one_symbol (const char *name, CORE_ADDR *addrp, int may_ask_gdb);
-void monitor_output (const char *msg);
-
-char *xml_escape_text (const char *text);
-
-/* Simple growing buffer. */
-
-struct buffer
-{
- char *buffer;
- size_t buffer_size; /* allocated size */
- size_t used_size; /* actually used size */
-};
-
-/* Append DATA of size SIZE to the end of BUFFER. Grows the buffer to
- accommodate the new data. */
-void buffer_grow (struct buffer *buffer, const char *data, size_t size);
-
-/* Release any memory held by BUFFER. */
-void buffer_free (struct buffer *buffer);
-
-/* Initialize BUFFER. BUFFER holds no memory afterwards. */
-void buffer_init (struct buffer *buffer);
-
-/* Return a pointer into BUFFER data, effectivelly transfering
- ownership of the buffer memory to the caller. Calling buffer_free
- afterwards has no effect on the returned data. */
-char* buffer_finish (struct buffer *buffer);
-
-/* Simple printf to BUFFER function. Current implemented formatters:
- %s - grow an xml escaped text in OBSTACK. */
-void buffer_xml_printf (struct buffer *buffer, const char *format, ...)
- ATTR_FORMAT (printf, 2, 3);
+int relocate_instruction (CORE_ADDR *to, CORE_ADDR oldloc);
-#define buffer_grow_str(BUFFER,STRING) \
- buffer_grow (BUFFER, STRING, strlen (STRING))
-#define buffer_grow_str0(BUFFER,STRING) \
- buffer_grow (BUFFER, STRING, strlen (STRING) + 1)
+void monitor_output (const char *msg);
/* Functions from utils.c */
+#include "common-utils.h"
-void *xmalloc (size_t) ATTR_MALLOC;
-void *xrealloc (void *, size_t);
-void *xcalloc (size_t, size_t) ATTR_MALLOC;
-char *xstrdup (const char *) ATTR_MALLOC;
-void freeargv (char **argv);
void perror_with_name (const 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 internal_error (const char *file, int line, const char *, ...)
- ATTR_NORETURN ATTR_FORMAT (printf, 3, 4);
-void warning (const char *string,...) ATTR_FORMAT (printf, 1, 2);
+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);
-#define gdb_assert(expr) \
- ((void) ((expr) ? 0 : \
- (gdb_assert_fail (#expr, __FILE__, __LINE__, ASSERT_FUNCTION), 0)))
-
-/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
- which contains the name of the function currently being defined.
- This is broken in G++ before version 2.6.
- C9x has a similar variable called __func__, but prefer the GCC one since
- it demangles C++ function names. */
-#if (GCC_VERSION >= 2004)
-#define ASSERT_FUNCTION __PRETTY_FUNCTION__
-#else
-#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
-#define ASSERT_FUNCTION __func__
-#endif
-#endif
-
-/* This prints an "Assertion failed" message, and exits. */
-#if defined (ASSERT_FUNCTION)
-#define gdb_assert_fail(assertion, file, line, function) \
- internal_error (file, line, "%s: Assertion `%s' failed.", \
- function, assertion)
-#else
-#define gdb_assert_fail(assertion, file, line, function) \
- internal_error (file, line, "Assertion `%s' failed.", \
- assertion)
-#endif
+#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). */
/* 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);
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);
+#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;
+
+/* Do memory copies for bytecodes. */
+/* Do the recording of memory blocks for actions and bytecodes. */
+
+int agent_mem_read (struct traceframe *tframe,
+ 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 traceframe *tframe, int n);
+int agent_mem_read_string (struct traceframe *tframe,
+ 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;
+
/* Version information, from version.c. */
extern const char version[];
extern const char host_name[];
projects / deliverable / binutils-gdb.git / blobdiff