/* Process record and replay target for GDB, the GNU debugger.
- Copyright (C) 2013 Free Software Foundation, Inc.
+ Copyright (C) 2013-2015 Free Software Foundation, Inc.
This file is part of GDB.
#include "regcache.h"
#include "gdbthread.h"
#include "event-top.h"
-#include "exceptions.h"
#include "completer.h"
#include "arch-utils.h"
#include "gdbcore.h"
#include "inf-loop.h"
#include "gdb_bfd.h"
#include "observer.h"
+#include "infrun.h"
#include <signal.h>
instruction's side effects by duplicating the changes that it would
have made on memory and registers. */
-#define DEFAULT_RECORD_INSN_MAX_NUM 200000
+#define DEFAULT_RECORD_FULL_INSN_MAX_NUM 200000
-#define RECORD_IS_REPLAY \
- (record_list->next || execution_direction == EXEC_REVERSE)
+#define RECORD_FULL_IS_REPLAY \
+ (record_full_list->next || execution_direction == EXEC_REVERSE)
-#define RECORD_FILE_MAGIC netorder32(0x20091016)
+#define RECORD_FULL_FILE_MAGIC netorder32(0x20091016)
/* These are the core structs of the process record functionality.
- A record_entry is a record of the value change of a register
- ("record_reg") or a part of memory ("record_mem"). And each
- instruction must have a struct record_entry ("record_end") that
- indicates that this is the last struct record_entry of this
+ A record_full_entry is a record of the value change of a register
+ ("record_full_reg") or a part of memory ("record_full_mem"). And each
+ instruction must have a struct record_full_entry ("record_full_end")
+ that indicates that this is the last struct record_full_entry of this
instruction.
- Each struct record_entry is linked to "record_list" by "prev" and
- "next" pointers. */
+ Each struct record_full_entry is linked to "record_full_list" by "prev"
+ and "next" pointers. */
-struct record_mem_entry
+struct record_full_mem_entry
{
CORE_ADDR addr;
int len;
} u;
};
-struct record_reg_entry
+struct record_full_reg_entry
{
unsigned short num;
unsigned short len;
} u;
};
-struct record_end_entry
+struct record_full_end_entry
{
enum gdb_signal sigval;
ULONGEST insn_num;
};
-enum record_type
+enum record_full_type
{
- record_end = 0,
- record_reg,
- record_mem
+ record_full_end = 0,
+ record_full_reg,
+ record_full_mem
};
/* This is the data structure that makes up the execution log.
The execution log consists of a single linked list of entries
- of type "struct record_entry". It is doubly linked so that it
+ of type "struct record_full_entry". It is doubly linked so that it
can be traversed in either direction.
The start of the list is anchored by a struct called
- "record_first". The pointer "record_list" either points to the
- last entry that was added to the list (in record mode), or to the
- next entry in the list that will be executed (in replay mode).
+ "record_full_first". The pointer "record_full_list" either points
+ to the last entry that was added to the list (in record mode), or to
+ the next entry in the list that will be executed (in replay mode).
- Each list element (struct record_entry), in addition to next and
- prev pointers, consists of a union of three entry types: mem, reg,
- and end. A field called "type" determines which entry type is
+ Each list element (struct record_full_entry), in addition to next
+ and prev pointers, consists of a union of three entry types: mem,
+ reg, and end. A field called "type" determines which entry type is
represented by a given list element.
Each instruction that is added to the execution log is represented
each instruction will have an "end" entry that separates it from
the changes associated with the next instruction. */
-struct record_entry
+struct record_full_entry
{
- struct record_entry *prev;
- struct record_entry *next;
- enum record_type type;
+ struct record_full_entry *prev;
+ struct record_full_entry *next;
+ enum record_full_type type;
union
{
/* reg */
- struct record_reg_entry reg;
+ struct record_full_reg_entry reg;
/* mem */
- struct record_mem_entry mem;
+ struct record_full_mem_entry mem;
/* end */
- struct record_end_entry end;
+ struct record_full_end_entry end;
} u;
};
/* If true, query if PREC cannot record memory
change of next instruction. */
-int record_memory_query = 0;
+int record_full_memory_query = 0;
-struct record_core_buf_entry
+struct record_full_core_buf_entry
{
- struct record_core_buf_entry *prev;
+ struct record_full_core_buf_entry *prev;
struct target_section *p;
bfd_byte *buf;
};
/* Record buf with core target. */
-static gdb_byte *record_core_regbuf = NULL;
-static struct target_section *record_core_start;
-static struct target_section *record_core_end;
-static struct record_core_buf_entry *record_core_buf_list = NULL;
+static gdb_byte *record_full_core_regbuf = NULL;
+static struct target_section *record_full_core_start;
+static struct target_section *record_full_core_end;
+static struct record_full_core_buf_entry *record_full_core_buf_list = NULL;
/* The following variables are used for managing the linked list that
represents the execution log.
- record_first is the anchor that holds down the beginning of the list.
+ record_full_first is the anchor that holds down the beginning of
+ the list.
- record_list serves two functions:
+ record_full_list serves two functions:
1) In record mode, it anchors the end of the list.
2) In replay mode, it traverses the list and points to
the next instruction that must be emulated.
- record_arch_list_head and record_arch_list_tail are used to manage
- a separate list, which is used to build up the change elements of
- the currently executing instruction during record mode. When this
- instruction has been completely annotated in the "arch list", it
- will be appended to the main execution log. */
+ record_full_arch_list_head and record_full_arch_list_tail are used
+ to manage a separate list, which is used to build up the change
+ elements of the currently executing instruction during record mode.
+ When this instruction has been completely annotated in the "arch
+ list", it will be appended to the main execution log. */
-static struct record_entry record_first;
-static struct record_entry *record_list = &record_first;
-static struct record_entry *record_arch_list_head = NULL;
-static struct record_entry *record_arch_list_tail = NULL;
+static struct record_full_entry record_full_first;
+static struct record_full_entry *record_full_list = &record_full_first;
+static struct record_full_entry *record_full_arch_list_head = NULL;
+static struct record_full_entry *record_full_arch_list_tail = NULL;
-/* 1 ask user. 0 auto delete the last struct record_entry. */
-static int record_stop_at_limit = 1;
+/* 1 ask user. 0 auto delete the last struct record_full_entry. */
+static int record_full_stop_at_limit = 1;
/* Maximum allowed number of insns in execution log. */
-static unsigned int record_insn_max_num = DEFAULT_RECORD_INSN_MAX_NUM;
+static unsigned int record_full_insn_max_num
+ = DEFAULT_RECORD_FULL_INSN_MAX_NUM;
/* Actual count of insns presently in execution log. */
-static int record_insn_num = 0;
+static unsigned int record_full_insn_num = 0;
/* Count of insns logged so far (may be larger
than count of insns presently in execution log). */
-static ULONGEST record_insn_count;
+static ULONGEST record_full_insn_count;
/* The target_ops of process record. */
-static struct target_ops record_ops;
-static struct target_ops record_core_ops;
+static struct target_ops record_full_ops;
+static struct target_ops record_full_core_ops;
+
+/* See record-full.h. */
+
+int
+record_full_is_used (void)
+{
+ struct target_ops *t;
+
+ t = find_record_target ();
+ return (t == &record_full_ops
+ || t == &record_full_core_ops);
+}
+
/* Command lists for "set/show record full". */
static struct cmd_list_element *set_record_full_cmdlist;
/* Command list for "record full". */
static struct cmd_list_element *record_full_cmdlist;
-/* The beneath function pointers. */
-static struct target_ops *record_beneath_to_resume_ops;
-static void (*record_beneath_to_resume) (struct target_ops *, ptid_t, int,
- enum gdb_signal);
-static struct target_ops *record_beneath_to_wait_ops;
-static ptid_t (*record_beneath_to_wait) (struct target_ops *, ptid_t,
- struct target_waitstatus *,
- int);
-static struct target_ops *record_beneath_to_store_registers_ops;
-static void (*record_beneath_to_store_registers) (struct target_ops *,
- struct regcache *,
- int regno);
-static struct target_ops *record_beneath_to_xfer_partial_ops;
-static LONGEST (*record_beneath_to_xfer_partial) (struct target_ops *ops,
- enum target_object object,
- const char *annex,
- gdb_byte *readbuf,
- const gdb_byte *writebuf,
- ULONGEST offset,
- LONGEST len);
-static int (*record_beneath_to_insert_breakpoint) (struct gdbarch *,
- struct bp_target_info *);
-static int (*record_beneath_to_remove_breakpoint) (struct gdbarch *,
- struct bp_target_info *);
-static int (*record_beneath_to_stopped_by_watchpoint) (void);
-static int (*record_beneath_to_stopped_data_address) (struct target_ops *,
- CORE_ADDR *);
-static void (*record_beneath_to_async) (void (*) (enum inferior_event_type, void *), void *);
-
-static void record_goto_insn (struct record_entry *entry,
- enum exec_direction_kind dir);
-static void record_save (char *recfilename);
-
-/* Alloc and free functions for record_reg, record_mem, and record_end
- entries. */
-
-/* Alloc a record_reg record entry. */
-
-static inline struct record_entry *
-record_reg_alloc (struct regcache *regcache, int regnum)
-{
- struct record_entry *rec;
+static void record_full_goto_insn (struct record_full_entry *entry,
+ enum exec_direction_kind dir);
+static void record_full_save (struct target_ops *self,
+ const char *recfilename);
+
+/* Alloc and free functions for record_full_reg, record_full_mem, and
+ record_full_end entries. */
+
+/* Alloc a record_full_reg record entry. */
+
+static inline struct record_full_entry *
+record_full_reg_alloc (struct regcache *regcache, int regnum)
+{
+ struct record_full_entry *rec;
struct gdbarch *gdbarch = get_regcache_arch (regcache);
- rec = (struct record_entry *) xcalloc (1, sizeof (struct record_entry));
- rec->type = record_reg;
+ rec = XCNEW (struct record_full_entry);
+ rec->type = record_full_reg;
rec->u.reg.num = regnum;
rec->u.reg.len = register_size (gdbarch, regnum);
if (rec->u.reg.len > sizeof (rec->u.reg.u.buf))
return rec;
}
-/* Free a record_reg record entry. */
+/* Free a record_full_reg record entry. */
static inline void
-record_reg_release (struct record_entry *rec)
+record_full_reg_release (struct record_full_entry *rec)
{
- gdb_assert (rec->type == record_reg);
+ gdb_assert (rec->type == record_full_reg);
if (rec->u.reg.len > sizeof (rec->u.reg.u.buf))
xfree (rec->u.reg.u.ptr);
xfree (rec);
}
-/* Alloc a record_mem record entry. */
+/* Alloc a record_full_mem record entry. */
-static inline struct record_entry *
-record_mem_alloc (CORE_ADDR addr, int len)
+static inline struct record_full_entry *
+record_full_mem_alloc (CORE_ADDR addr, int len)
{
- struct record_entry *rec;
+ struct record_full_entry *rec;
- rec = (struct record_entry *) xcalloc (1, sizeof (struct record_entry));
- rec->type = record_mem;
+ rec = XCNEW (struct record_full_entry);
+ rec->type = record_full_mem;
rec->u.mem.addr = addr;
rec->u.mem.len = len;
if (rec->u.mem.len > sizeof (rec->u.mem.u.buf))
return rec;
}
-/* Free a record_mem record entry. */
+/* Free a record_full_mem record entry. */
static inline void
-record_mem_release (struct record_entry *rec)
+record_full_mem_release (struct record_full_entry *rec)
{
- gdb_assert (rec->type == record_mem);
+ gdb_assert (rec->type == record_full_mem);
if (rec->u.mem.len > sizeof (rec->u.mem.u.buf))
xfree (rec->u.mem.u.ptr);
xfree (rec);
}
-/* Alloc a record_end record entry. */
+/* Alloc a record_full_end record entry. */
-static inline struct record_entry *
-record_end_alloc (void)
+static inline struct record_full_entry *
+record_full_end_alloc (void)
{
- struct record_entry *rec;
+ struct record_full_entry *rec;
- rec = (struct record_entry *) xcalloc (1, sizeof (struct record_entry));
- rec->type = record_end;
+ rec = XCNEW (struct record_full_entry);
+ rec->type = record_full_end;
return rec;
}
-/* Free a record_end record entry. */
+/* Free a record_full_end record entry. */
static inline void
-record_end_release (struct record_entry *rec)
+record_full_end_release (struct record_full_entry *rec)
{
xfree (rec);
}
/* Free one record entry, any type.
Return entry->type, in case caller wants to know. */
-static inline enum record_type
-record_entry_release (struct record_entry *rec)
+static inline enum record_full_type
+record_full_entry_release (struct record_full_entry *rec)
{
- enum record_type type = rec->type;
+ enum record_full_type type = rec->type;
switch (type) {
- case record_reg:
- record_reg_release (rec);
+ case record_full_reg:
+ record_full_reg_release (rec);
break;
- case record_mem:
- record_mem_release (rec);
+ case record_full_mem:
+ record_full_mem_release (rec);
break;
- case record_end:
- record_end_release (rec);
+ case record_full_end:
+ record_full_end_release (rec);
break;
}
return type;
/* Free all record entries in list pointed to by REC. */
static void
-record_list_release (struct record_entry *rec)
+record_full_list_release (struct record_full_entry *rec)
{
if (!rec)
return;
while (rec->prev)
{
rec = rec->prev;
- record_entry_release (rec->next);
+ record_full_entry_release (rec->next);
}
- if (rec == &record_first)
+ if (rec == &record_full_first)
{
- record_insn_num = 0;
- record_first.next = NULL;
+ record_full_insn_num = 0;
+ record_full_first.next = NULL;
}
else
- record_entry_release (rec);
+ record_full_entry_release (rec);
}
/* Free all record entries forward of the given list position. */
static void
-record_list_release_following (struct record_entry *rec)
+record_full_list_release_following (struct record_full_entry *rec)
{
- struct record_entry *tmp = rec->next;
+ struct record_full_entry *tmp = rec->next;
rec->next = NULL;
while (tmp)
{
rec = tmp->next;
- if (record_entry_release (tmp) == record_end)
+ if (record_full_entry_release (tmp) == record_full_end)
{
- record_insn_num--;
- record_insn_count--;
+ record_full_insn_num--;
+ record_full_insn_count--;
}
tmp = rec;
}
/* Delete the first instruction from the beginning of the log, to make
room for adding a new instruction at the end of the log.
- Note -- this function does not modify record_insn_num. */
+ Note -- this function does not modify record_full_insn_num. */
static void
-record_list_release_first (void)
+record_full_list_release_first (void)
{
- struct record_entry *tmp;
+ struct record_full_entry *tmp;
- if (!record_first.next)
+ if (!record_full_first.next)
return;
- /* Loop until a record_end. */
+ /* Loop until a record_full_end. */
while (1)
{
- /* Cut record_first.next out of the linked list. */
- tmp = record_first.next;
- record_first.next = tmp->next;
- tmp->next->prev = &record_first;
+ /* Cut record_full_first.next out of the linked list. */
+ tmp = record_full_first.next;
+ record_full_first.next = tmp->next;
+ tmp->next->prev = &record_full_first;
/* tmp is now isolated, and can be deleted. */
- if (record_entry_release (tmp) == record_end)
- break; /* End loop at first record_end. */
+ if (record_full_entry_release (tmp) == record_full_end)
+ break; /* End loop at first record_full_end. */
- if (!record_first.next)
+ if (!record_full_first.next)
{
- gdb_assert (record_insn_num == 1);
+ gdb_assert (record_full_insn_num == 1);
break; /* End loop when list is empty. */
}
}
}
-/* Add a struct record_entry to record_arch_list. */
+/* Add a struct record_full_entry to record_full_arch_list. */
static void
-record_arch_list_add (struct record_entry *rec)
+record_full_arch_list_add (struct record_full_entry *rec)
{
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
- "Process record: record_arch_list_add %s.\n",
+ "Process record: record_full_arch_list_add %s.\n",
host_address_to_string (rec));
- if (record_arch_list_tail)
+ if (record_full_arch_list_tail)
{
- record_arch_list_tail->next = rec;
- rec->prev = record_arch_list_tail;
- record_arch_list_tail = rec;
+ record_full_arch_list_tail->next = rec;
+ rec->prev = record_full_arch_list_tail;
+ record_full_arch_list_tail = rec;
}
else
{
- record_arch_list_head = rec;
- record_arch_list_tail = rec;
+ record_full_arch_list_head = rec;
+ record_full_arch_list_tail = rec;
}
}
/* Return the value storage location of a record entry. */
static inline gdb_byte *
-record_get_loc (struct record_entry *rec)
+record_full_get_loc (struct record_full_entry *rec)
{
switch (rec->type) {
- case record_mem:
+ case record_full_mem:
if (rec->u.mem.len > sizeof (rec->u.mem.u.buf))
return rec->u.mem.u.ptr;
else
return rec->u.mem.u.buf;
- case record_reg:
+ case record_full_reg:
if (rec->u.reg.len > sizeof (rec->u.reg.u.buf))
return rec->u.reg.u.ptr;
else
return rec->u.reg.u.buf;
- case record_end:
+ case record_full_end:
default:
- gdb_assert_not_reached ("unexpected record_entry type");
+ gdb_assert_not_reached ("unexpected record_full_entry type");
return NULL;
}
}
-/* Record the value of a register NUM to record_arch_list. */
+/* Record the value of a register NUM to record_full_arch_list. */
int
-record_arch_list_add_reg (struct regcache *regcache, int regnum)
+record_full_arch_list_add_reg (struct regcache *regcache, int regnum)
{
- struct record_entry *rec;
+ struct record_full_entry *rec;
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
"record list.\n",
regnum);
- rec = record_reg_alloc (regcache, regnum);
+ rec = record_full_reg_alloc (regcache, regnum);
- regcache_raw_read (regcache, regnum, record_get_loc (rec));
+ regcache_raw_read (regcache, regnum, record_full_get_loc (rec));
- record_arch_list_add (rec);
+ record_full_arch_list_add (rec);
return 0;
}
/* Record the value of a region of memory whose address is ADDR and
- length is LEN to record_arch_list. */
+ length is LEN to record_full_arch_list. */
int
-record_arch_list_add_mem (CORE_ADDR addr, int len)
+record_full_arch_list_add_mem (CORE_ADDR addr, int len)
{
- struct record_entry *rec;
+ struct record_full_entry *rec;
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
if (!addr) /* FIXME: Why? Some arch must permit it... */
return 0;
- rec = record_mem_alloc (addr, len);
+ rec = record_full_mem_alloc (addr, len);
- if (record_read_memory (target_gdbarch (), addr, record_get_loc (rec), len))
+ if (record_read_memory (target_gdbarch (), addr,
+ record_full_get_loc (rec), len))
{
- record_mem_release (rec);
+ record_full_mem_release (rec);
return -1;
}
- record_arch_list_add (rec);
+ record_full_arch_list_add (rec);
return 0;
}
-/* Add a record_end type struct record_entry to record_arch_list. */
+/* Add a record_full_end type struct record_full_entry to
+ record_full_arch_list. */
int
-record_arch_list_add_end (void)
+record_full_arch_list_add_end (void)
{
- struct record_entry *rec;
+ struct record_full_entry *rec;
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
"Process record: add end to arch list.\n");
- rec = record_end_alloc ();
+ rec = record_full_end_alloc ();
rec->u.end.sigval = GDB_SIGNAL_0;
- rec->u.end.insn_num = ++record_insn_count;
+ rec->u.end.insn_num = ++record_full_insn_count;
- record_arch_list_add (rec);
+ record_full_arch_list_add (rec);
return 0;
}
static void
-record_check_insn_num (int set_terminal)
+record_full_check_insn_num (int set_terminal)
{
- if (record_insn_max_num)
+ if (record_full_insn_num == record_full_insn_max_num)
{
- gdb_assert (record_insn_num <= record_insn_max_num);
- if (record_insn_num == record_insn_max_num)
+ /* Ask user what to do. */
+ if (record_full_stop_at_limit)
{
- /* Ask user what to do. */
- if (record_stop_at_limit)
- {
- int q;
-
- if (set_terminal)
- target_terminal_ours ();
- q = yquery (_("Do you want to auto delete previous execution "
- "log entries when record/replay buffer becomes "
- "full (record full stop-at-limit)?"));
- if (set_terminal)
- target_terminal_inferior ();
- if (q)
- record_stop_at_limit = 0;
- else
- error (_("Process record: stopped by user."));
- }
+ int q;
+
+ if (set_terminal)
+ target_terminal_ours ();
+ q = yquery (_("Do you want to auto delete previous execution "
+ "log entries when record/replay buffer becomes "
+ "full (record full stop-at-limit)?"));
+ if (set_terminal)
+ target_terminal_inferior ();
+ if (q)
+ record_full_stop_at_limit = 0;
+ else
+ error (_("Process record: stopped by user."));
}
}
}
static void
-record_arch_list_cleanups (void *ignore)
+record_full_arch_list_cleanups (void *ignore)
{
- record_list_release (record_arch_list_tail);
+ record_full_list_release (record_full_arch_list_tail);
}
/* Before inferior step (when GDB record the running message, inferior
only can step), GDB will call this function to record the values to
- record_list. This function will call gdbarch_process_record to
+ record_full_list. This function will call gdbarch_process_record to
record the running message of inferior and set them to
- record_arch_list, and add it to record_list. */
+ record_full_arch_list, and add it to record_full_list. */
static int
-record_message (struct regcache *regcache, enum gdb_signal signal)
+record_full_message (struct regcache *regcache, enum gdb_signal signal)
{
int ret;
struct gdbarch *gdbarch = get_regcache_arch (regcache);
- struct cleanup *old_cleanups = make_cleanup (record_arch_list_cleanups, 0);
+ struct cleanup *old_cleanups
+ = make_cleanup (record_full_arch_list_cleanups, 0);
- record_arch_list_head = NULL;
- record_arch_list_tail = NULL;
+ record_full_arch_list_head = NULL;
+ record_full_arch_list_tail = NULL;
- /* Check record_insn_num. */
- record_check_insn_num (1);
+ /* Check record_full_insn_num. */
+ record_full_check_insn_num (1);
/* If gdb sends a signal value to target_resume,
save it in the 'end' field of the previous instruction.
But we should still deliver the signal to gdb during the replay,
if we delivered it during the recording. Therefore we should
- record the signal during record_wait, not record_resume. */
- if (record_list != &record_first) /* FIXME better way to check */
+ record the signal during record_full_wait, not
+ record_full_resume. */
+ if (record_full_list != &record_full_first) /* FIXME better way to check */
{
- gdb_assert (record_list->type == record_end);
- record_list->u.end.sigval = signal;
+ gdb_assert (record_full_list->type == record_full_end);
+ record_full_list->u.end.sigval = signal;
}
if (signal == GDB_SIGNAL_0
discard_cleanups (old_cleanups);
- record_list->next = record_arch_list_head;
- record_arch_list_head->prev = record_list;
- record_list = record_arch_list_tail;
+ record_full_list->next = record_full_arch_list_head;
+ record_full_arch_list_head->prev = record_full_list;
+ record_full_list = record_full_arch_list_tail;
- if (record_insn_num == record_insn_max_num && record_insn_max_num)
- record_list_release_first ();
+ if (record_full_insn_num == record_full_insn_max_num)
+ record_full_list_release_first ();
else
- record_insn_num++;
+ record_full_insn_num++;
return 1;
}
-struct record_message_args {
+struct record_full_message_args {
struct regcache *regcache;
enum gdb_signal signal;
};
static int
-record_message_wrapper (void *args)
+record_full_message_wrapper (void *args)
{
- struct record_message_args *record_args = args;
+ struct record_full_message_args *record_full_args = args;
- return record_message (record_args->regcache, record_args->signal);
+ return record_full_message (record_full_args->regcache,
+ record_full_args->signal);
}
static int
-record_message_wrapper_safe (struct regcache *regcache,
- enum gdb_signal signal)
+record_full_message_wrapper_safe (struct regcache *regcache,
+ enum gdb_signal signal)
{
- struct record_message_args args;
+ struct record_full_message_args args;
args.regcache = regcache;
args.signal = signal;
- return catch_errors (record_message_wrapper, &args, NULL, RETURN_MASK_ALL);
+ return catch_errors (record_full_message_wrapper, &args, NULL,
+ RETURN_MASK_ALL);
}
-/* Set to 1 if record_store_registers and record_xfer_partial
+/* Set to 1 if record_full_store_registers and record_full_xfer_partial
doesn't need record. */
-static int record_gdb_operation_disable = 0;
+static int record_full_gdb_operation_disable = 0;
struct cleanup *
-record_gdb_operation_disable_set (void)
+record_full_gdb_operation_disable_set (void)
{
struct cleanup *old_cleanups = NULL;
old_cleanups =
- make_cleanup_restore_integer (&record_gdb_operation_disable);
- record_gdb_operation_disable = 1;
+ make_cleanup_restore_integer (&record_full_gdb_operation_disable);
+ record_full_gdb_operation_disable = 1;
return old_cleanups;
}
/* Flag set to TRUE for target_stopped_by_watchpoint. */
-static int record_hw_watchpoint = 0;
+static enum target_stop_reason record_full_stop_reason
+ = TARGET_STOPPED_BY_NO_REASON;
/* Execute one instruction from the record log. Each instruction in
the log will be represented by an arbitrary sequence of register
entries and memory entries, followed by an 'end' entry. */
static inline void
-record_exec_insn (struct regcache *regcache, struct gdbarch *gdbarch,
- struct record_entry *entry)
+record_full_exec_insn (struct regcache *regcache,
+ struct gdbarch *gdbarch,
+ struct record_full_entry *entry)
{
switch (entry->type)
{
- case record_reg: /* reg */
+ case record_full_reg: /* reg */
{
gdb_byte reg[MAX_REGISTER_SIZE];
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
- "Process record: record_reg %s to "
+ "Process record: record_full_reg %s to "
"inferior num = %d.\n",
host_address_to_string (entry),
entry->u.reg.num);
regcache_cooked_read (regcache, entry->u.reg.num, reg);
regcache_cooked_write (regcache, entry->u.reg.num,
- record_get_loc (entry));
- memcpy (record_get_loc (entry), reg, entry->u.reg.len);
+ record_full_get_loc (entry));
+ memcpy (record_full_get_loc (entry), reg, entry->u.reg.len);
}
break;
- case record_mem: /* mem */
+ case record_full_mem: /* mem */
{
/* Nothing to do if the entry is flagged not_accessible. */
if (!entry->u.mem.mem_entry_not_accessible)
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
- "Process record: record_mem %s to "
+ "Process record: record_full_mem %s to "
"inferior addr = %s len = %d.\n",
host_address_to_string (entry),
paddress (gdbarch, entry->u.mem.addr),
else
{
if (target_write_memory (entry->u.mem.addr,
- record_get_loc (entry),
+ record_full_get_loc (entry),
entry->u.mem.len))
{
entry->u.mem.mem_entry_not_accessible = 1;
}
else
{
- memcpy (record_get_loc (entry), mem, entry->u.mem.len);
+ memcpy (record_full_get_loc (entry), mem,
+ entry->u.mem.len);
/* We've changed memory --- check if a hardware
watchpoint should trap. Note that this
if (hardware_watchpoint_inserted_in_range
(get_regcache_aspace (regcache),
entry->u.mem.addr, entry->u.mem.len))
- record_hw_watchpoint = 1;
+ record_full_stop_reason = TARGET_STOPPED_BY_WATCHPOINT;
}
}
}
}
}
-static struct target_ops *tmp_to_resume_ops;
-static void (*tmp_to_resume) (struct target_ops *, ptid_t, int,
- enum gdb_signal);
-static struct target_ops *tmp_to_wait_ops;
-static ptid_t (*tmp_to_wait) (struct target_ops *, ptid_t,
- struct target_waitstatus *,
- int);
-static struct target_ops *tmp_to_store_registers_ops;
-static void (*tmp_to_store_registers) (struct target_ops *,
- struct regcache *,
- int regno);
-static struct target_ops *tmp_to_xfer_partial_ops;
-static LONGEST (*tmp_to_xfer_partial) (struct target_ops *ops,
- enum target_object object,
- const char *annex,
- gdb_byte *readbuf,
- const gdb_byte *writebuf,
- ULONGEST offset,
- LONGEST len);
-static int (*tmp_to_insert_breakpoint) (struct gdbarch *,
- struct bp_target_info *);
-static int (*tmp_to_remove_breakpoint) (struct gdbarch *,
- struct bp_target_info *);
-static int (*tmp_to_stopped_by_watchpoint) (void);
-static int (*tmp_to_stopped_data_address) (struct target_ops *, CORE_ADDR *);
-static int (*tmp_to_stopped_data_address) (struct target_ops *, CORE_ADDR *);
-static void (*tmp_to_async) (void (*) (enum inferior_event_type, void *), void *);
-
-static void record_restore (void);
+static void record_full_restore (void);
/* Asynchronous signal handle registered as event loop source for when
we have pending events ready to be passed to the core. */
-static struct async_event_handler *record_async_inferior_event_token;
+static struct async_event_handler *record_full_async_inferior_event_token;
static void
-record_async_inferior_event_handler (gdb_client_data data)
+record_full_async_inferior_event_handler (gdb_client_data data)
{
inferior_event_handler (INF_REG_EVENT, NULL);
}
/* Open the process record target. */
static void
-record_core_open_1 (char *name, int from_tty)
+record_full_core_open_1 (const char *name, int from_tty)
{
struct regcache *regcache = get_current_regcache ();
int regnum = gdbarch_num_regs (get_regcache_arch (regcache));
int i;
- /* Get record_core_regbuf. */
+ /* Get record_full_core_regbuf. */
target_fetch_registers (regcache, -1);
- record_core_regbuf = xmalloc (MAX_REGISTER_SIZE * regnum);
+ record_full_core_regbuf = xmalloc (MAX_REGISTER_SIZE * regnum);
for (i = 0; i < regnum; i ++)
regcache_raw_collect (regcache, i,
- record_core_regbuf + MAX_REGISTER_SIZE * i);
+ record_full_core_regbuf + MAX_REGISTER_SIZE * i);
- /* Get record_core_start and record_core_end. */
- if (build_section_table (core_bfd, &record_core_start, &record_core_end))
+ /* Get record_full_core_start and record_full_core_end. */
+ if (build_section_table (core_bfd, &record_full_core_start,
+ &record_full_core_end))
{
- xfree (record_core_regbuf);
- record_core_regbuf = NULL;
+ xfree (record_full_core_regbuf);
+ record_full_core_regbuf = NULL;
error (_("\"%s\": Can't find sections: %s"),
bfd_get_filename (core_bfd), bfd_errmsg (bfd_get_error ()));
}
- push_target (&record_core_ops);
- record_restore ();
+ push_target (&record_full_core_ops);
+ record_full_restore ();
}
/* "to_open" target method for 'live' processes. */
static void
-record_open_1 (char *name, int from_tty)
+record_full_open_1 (const char *name, int from_tty)
{
if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: record_open\n");
+ fprintf_unfiltered (gdb_stdlog, "Process record: record_full_open\n");
/* check exec */
if (!target_has_execution)
error (_("Process record: the current architecture doesn't support "
"record function."));
- if (!tmp_to_resume)
- error (_("Could not find 'to_resume' method on the target stack."));
- if (!tmp_to_wait)
- error (_("Could not find 'to_wait' method on the target stack."));
- if (!tmp_to_store_registers)
- error (_("Could not find 'to_store_registers' "
- "method on the target stack."));
- if (!tmp_to_insert_breakpoint)
- error (_("Could not find 'to_insert_breakpoint' "
- "method on the target stack."));
- if (!tmp_to_remove_breakpoint)
- error (_("Could not find 'to_remove_breakpoint' "
- "method on the target stack."));
- if (!tmp_to_stopped_by_watchpoint)
- error (_("Could not find 'to_stopped_by_watchpoint' "
- "method on the target stack."));
- if (!tmp_to_stopped_data_address)
- error (_("Could not find 'to_stopped_data_address' "
- "method on the target stack."));
-
- push_target (&record_ops);
-}
-
-static void record_init_record_breakpoints (void);
+ push_target (&record_full_ops);
+}
+
+static void record_full_init_record_breakpoints (void);
/* "to_open" target method. Open the process record target. */
static void
-record_open (char *name, int from_tty)
+record_full_open (const char *name, int from_tty)
{
struct target_ops *t;
if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: record_open\n");
-
- /* Check if record target is already running. */
- if (current_target.to_stratum == record_stratum)
- error (_("Process record target already running. Use \"record stop\" to "
- "stop record target first."));
-
- /* Reset the tmp beneath pointers. */
- tmp_to_resume_ops = NULL;
- tmp_to_resume = NULL;
- tmp_to_wait_ops = NULL;
- tmp_to_wait = NULL;
- tmp_to_store_registers_ops = NULL;
- tmp_to_store_registers = NULL;
- tmp_to_xfer_partial_ops = NULL;
- tmp_to_xfer_partial = NULL;
- tmp_to_insert_breakpoint = NULL;
- tmp_to_remove_breakpoint = NULL;
- tmp_to_stopped_by_watchpoint = NULL;
- tmp_to_stopped_data_address = NULL;
- tmp_to_async = NULL;
-
- /* Set the beneath function pointers. */
- for (t = current_target.beneath; t != NULL; t = t->beneath)
- {
- if (!tmp_to_resume)
- {
- tmp_to_resume = t->to_resume;
- tmp_to_resume_ops = t;
- }
- if (!tmp_to_wait)
- {
- tmp_to_wait = t->to_wait;
- tmp_to_wait_ops = t;
- }
- if (!tmp_to_store_registers)
- {
- tmp_to_store_registers = t->to_store_registers;
- tmp_to_store_registers_ops = t;
- }
- if (!tmp_to_xfer_partial)
- {
- tmp_to_xfer_partial = t->to_xfer_partial;
- tmp_to_xfer_partial_ops = t;
- }
- if (!tmp_to_insert_breakpoint)
- tmp_to_insert_breakpoint = t->to_insert_breakpoint;
- if (!tmp_to_remove_breakpoint)
- tmp_to_remove_breakpoint = t->to_remove_breakpoint;
- if (!tmp_to_stopped_by_watchpoint)
- tmp_to_stopped_by_watchpoint = t->to_stopped_by_watchpoint;
- if (!tmp_to_stopped_data_address)
- tmp_to_stopped_data_address = t->to_stopped_data_address;
- if (!tmp_to_async)
- tmp_to_async = t->to_async;
- }
- if (!tmp_to_xfer_partial)
- error (_("Could not find 'to_xfer_partial' method on the target stack."));
+ fprintf_unfiltered (gdb_stdlog, "Process record: record_full_open\n");
+
+ record_preopen ();
/* Reset */
- record_insn_num = 0;
- record_insn_count = 0;
- record_list = &record_first;
- record_list->next = NULL;
-
- /* Set the tmp beneath pointers to beneath pointers. */
- record_beneath_to_resume_ops = tmp_to_resume_ops;
- record_beneath_to_resume = tmp_to_resume;
- record_beneath_to_wait_ops = tmp_to_wait_ops;
- record_beneath_to_wait = tmp_to_wait;
- record_beneath_to_store_registers_ops = tmp_to_store_registers_ops;
- record_beneath_to_store_registers = tmp_to_store_registers;
- record_beneath_to_xfer_partial_ops = tmp_to_xfer_partial_ops;
- record_beneath_to_xfer_partial = tmp_to_xfer_partial;
- record_beneath_to_insert_breakpoint = tmp_to_insert_breakpoint;
- record_beneath_to_remove_breakpoint = tmp_to_remove_breakpoint;
- record_beneath_to_stopped_by_watchpoint = tmp_to_stopped_by_watchpoint;
- record_beneath_to_stopped_data_address = tmp_to_stopped_data_address;
- record_beneath_to_async = tmp_to_async;
+ record_full_insn_num = 0;
+ record_full_insn_count = 0;
+ record_full_list = &record_full_first;
+ record_full_list->next = NULL;
if (core_bfd)
- record_core_open_1 (name, from_tty);
+ record_full_core_open_1 (name, from_tty);
else
- record_open_1 (name, from_tty);
+ record_full_open_1 (name, from_tty);
/* Register extra event sources in the event loop. */
- record_async_inferior_event_token
- = create_async_event_handler (record_async_inferior_event_handler,
+ record_full_async_inferior_event_token
+ = create_async_event_handler (record_full_async_inferior_event_handler,
NULL);
- record_init_record_breakpoints ();
+ record_full_init_record_breakpoints ();
observer_notify_record_changed (current_inferior (), 1);
}
/* "to_close" target method. Close the process record target. */
static void
-record_close (int quitting)
+record_full_close (struct target_ops *self)
{
- struct record_core_buf_entry *entry;
+ struct record_full_core_buf_entry *entry;
if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: record_close\n");
+ fprintf_unfiltered (gdb_stdlog, "Process record: record_full_close\n");
- record_list_release (record_list);
+ record_full_list_release (record_full_list);
- /* Release record_core_regbuf. */
- if (record_core_regbuf)
+ /* Release record_full_core_regbuf. */
+ if (record_full_core_regbuf)
{
- xfree (record_core_regbuf);
- record_core_regbuf = NULL;
+ xfree (record_full_core_regbuf);
+ record_full_core_regbuf = NULL;
}
- /* Release record_core_buf_list. */
- if (record_core_buf_list)
+ /* Release record_full_core_buf_list. */
+ if (record_full_core_buf_list)
{
- for (entry = record_core_buf_list->prev; entry; entry = entry->prev)
+ for (entry = record_full_core_buf_list->prev; entry;
+ entry = entry->prev)
{
- xfree (record_core_buf_list);
- record_core_buf_list = entry;
+ xfree (record_full_core_buf_list);
+ record_full_core_buf_list = entry;
}
- record_core_buf_list = NULL;
+ record_full_core_buf_list = NULL;
}
- if (record_async_inferior_event_token)
- delete_async_event_handler (&record_async_inferior_event_token);
+ if (record_full_async_inferior_event_token)
+ delete_async_event_handler (&record_full_async_inferior_event_token);
}
-static int record_resume_step = 0;
+/* "to_async" target method. */
-/* True if we've been resumed, and so each record_wait call should
- advance execution. If this is false, record_wait will return a
+static void
+record_full_async (struct target_ops *ops, int enable)
+{
+ if (enable)
+ mark_async_event_handler (record_full_async_inferior_event_token);
+ else
+ clear_async_event_handler (record_full_async_inferior_event_token);
+
+ ops->beneath->to_async (ops->beneath, enable);
+}
+
+static int record_full_resume_step = 0;
+
+/* True if we've been resumed, and so each record_full_wait call should
+ advance execution. If this is false, record_full_wait will return a
TARGET_WAITKIND_IGNORE. */
-static int record_resumed = 0;
+static int record_full_resumed = 0;
/* The execution direction of the last resume we got. This is
necessary for async mode. Vis (order is not strictly accurate):
1. user has the global execution direction set to forward
2. user does a reverse-step command
- 3. record_resume is called with global execution direction
+ 3. record_full_resume is called with global execution direction
temporarily switched to reverse
4. GDB's execution direction is reverted back to forward
5. target record notifies event loop there's an event to handle
7. infrun polls an event out of the record target, and handles it
8. GDB goes back to the event loop, and goto #4.
*/
-static enum exec_direction_kind record_execution_dir = EXEC_FORWARD;
+static enum exec_direction_kind record_full_execution_dir = EXEC_FORWARD;
/* "to_resume" target method. Resume the process record target. */
static void
-record_resume (struct target_ops *ops, ptid_t ptid, int step,
- enum gdb_signal signal)
+record_full_resume (struct target_ops *ops, ptid_t ptid, int step,
+ enum gdb_signal signal)
{
- record_resume_step = step;
- record_resumed = 1;
- record_execution_dir = execution_direction;
+ record_full_resume_step = step;
+ record_full_resumed = 1;
+ record_full_execution_dir = execution_direction;
- if (!RECORD_IS_REPLAY)
+ if (!RECORD_FULL_IS_REPLAY)
{
struct gdbarch *gdbarch = target_thread_architecture (ptid);
- record_message (get_current_regcache (), signal);
+ record_full_message (get_current_regcache (), signal);
if (!step)
{
else
{
/* This arch support soft sigle step. */
- if (single_step_breakpoints_inserted ())
+ if (thread_has_single_step_breakpoints_set (inferior_thread ()))
{
/* This is a soft single step. */
- record_resume_step = 1;
+ record_full_resume_step = 1;
}
else
{
/* Make sure the target beneath reports all signals. */
target_pass_signals (0, NULL);
- record_beneath_to_resume (record_beneath_to_resume_ops,
- ptid, step, signal);
+ ops->beneath->to_resume (ops->beneath, ptid, step, signal);
}
/* We are about to start executing the inferior (or simulate it),
let's register it with the event loop. */
if (target_can_async_p ())
- {
- target_async (inferior_event_handler, 0);
- /* Notify the event loop there's an event to wait for. We do
- most of the work in record_wait. */
- mark_async_event_handler (record_async_inferior_event_token);
- }
+ target_async (1);
}
-static int record_get_sig = 0;
+static int record_full_get_sig = 0;
/* SIGINT signal handler, registered by "to_wait" method. */
static void
-record_sig_handler (int signo)
+record_full_sig_handler (int signo)
{
if (record_debug)
fprintf_unfiltered (gdb_stdlog, "Process record: get a signal\n");
/* It will break the running inferior in replay mode. */
- record_resume_step = 1;
+ record_full_resume_step = 1;
- /* It will let record_wait set inferior status to get the signal
+ /* It will let record_full_wait set inferior status to get the signal
SIGINT. */
- record_get_sig = 1;
+ record_full_get_sig = 1;
}
static void
-record_wait_cleanups (void *ignore)
+record_full_wait_cleanups (void *ignore)
{
if (execution_direction == EXEC_REVERSE)
{
- if (record_list->next)
- record_list = record_list->next;
+ if (record_full_list->next)
+ record_full_list = record_full_list->next;
}
else
- record_list = record_list->prev;
+ record_full_list = record_full_list->prev;
}
/* "to_wait" target method for process record target.
where to stop. */
static ptid_t
-record_wait_1 (struct target_ops *ops,
- ptid_t ptid, struct target_waitstatus *status,
- int options)
+record_full_wait_1 (struct target_ops *ops,
+ ptid_t ptid, struct target_waitstatus *status,
+ int options)
{
- struct cleanup *set_cleanups = record_gdb_operation_disable_set ();
+ struct cleanup *set_cleanups = record_full_gdb_operation_disable_set ();
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
- "Process record: record_wait "
- "record_resume_step = %d, record_resumed = %d, direction=%s\n",
- record_resume_step, record_resumed,
- record_execution_dir == EXEC_FORWARD ? "forward" : "reverse");
-
- if (!record_resumed)
+ "Process record: record_full_wait "
+ "record_full_resume_step = %d, "
+ "record_full_resumed = %d, direction=%s\n",
+ record_full_resume_step, record_full_resumed,
+ record_full_execution_dir == EXEC_FORWARD
+ ? "forward" : "reverse");
+
+ if (!record_full_resumed)
{
gdb_assert ((options & TARGET_WNOHANG) != 0);
return minus_one_ptid;
}
- record_get_sig = 0;
- signal (SIGINT, record_sig_handler);
+ record_full_get_sig = 0;
+ signal (SIGINT, record_full_sig_handler);
+
+ record_full_stop_reason = TARGET_STOPPED_BY_NO_REASON;
- if (!RECORD_IS_REPLAY && ops != &record_core_ops)
+ if (!RECORD_FULL_IS_REPLAY && ops != &record_full_core_ops)
{
- if (record_resume_step)
+ if (record_full_resume_step)
{
/* This is a single step. */
- return record_beneath_to_wait (record_beneath_to_wait_ops,
- ptid, status, options);
+ return ops->beneath->to_wait (ops->beneath, ptid, status, options);
}
else
{
while (1)
{
- ret = record_beneath_to_wait (record_beneath_to_wait_ops,
- ptid, status, options);
+ struct thread_info *tp;
+
+ ret = ops->beneath->to_wait (ops->beneath, ptid, status, options);
if (status->kind == TARGET_WAITKIND_IGNORE)
{
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
- "Process record: record_wait "
+ "Process record: record_full_wait "
"target beneath not done yet\n");
return ret;
}
- if (single_step_breakpoints_inserted ())
- remove_single_step_breakpoints ();
+ ALL_NON_EXITED_THREADS (tp)
+ delete_single_step_breakpoints (tp);
- if (record_resume_step)
+ if (record_full_resume_step)
return ret;
/* Is this a SIGTRAP? */
{
struct regcache *regcache;
struct address_space *aspace;
+ enum target_stop_reason *stop_reason_p
+ = &record_full_stop_reason;
/* Yes -- this is likely our single-step finishing,
but check if there's any reason the core would be
{
/* Always interested in watchpoints. */
}
- else if (breakpoint_inserted_here_p (aspace, tmp_pc))
+ else if (record_check_stopped_by_breakpoint (aspace, tmp_pc,
+ stop_reason_p))
{
/* There is a breakpoint here. Let the core
handle it. */
- if (software_breakpoint_inserted_here_p (aspace, tmp_pc))
- {
- struct gdbarch *gdbarch
- = get_regcache_arch (regcache);
- CORE_ADDR decr_pc_after_break
- = gdbarch_decr_pc_after_break (gdbarch);
- if (decr_pc_after_break)
- regcache_write_pc (regcache,
- tmp_pc + decr_pc_after_break);
- }
}
else
{
But GDB cannot handle it. */
int step = 1;
- if (!record_message_wrapper_safe (regcache,
- GDB_SIGNAL_0))
+ if (!record_full_message_wrapper_safe (regcache,
+ GDB_SIGNAL_0))
{
status->kind = TARGET_WAITKIND_STOPPED;
status->value.sig = GDB_SIGNAL_0;
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
- "Process record: record_wait "
- "issuing one more step in the target beneath\n");
- record_beneath_to_resume (record_beneath_to_resume_ops,
- ptid, step,
- GDB_SIGNAL_0);
+ "Process record: record_full_wait "
+ "issuing one more step in the "
+ "target beneath\n");
+ ops->beneath->to_resume (ops->beneath, ptid, step,
+ GDB_SIGNAL_0);
continue;
}
}
struct gdbarch *gdbarch = get_regcache_arch (regcache);
struct address_space *aspace = get_regcache_aspace (regcache);
int continue_flag = 1;
- int first_record_end = 1;
- struct cleanup *old_cleanups = make_cleanup (record_wait_cleanups, 0);
+ int first_record_full_end = 1;
+ struct cleanup *old_cleanups
+ = make_cleanup (record_full_wait_cleanups, 0);
CORE_ADDR tmp_pc;
- record_hw_watchpoint = 0;
+ record_full_stop_reason = TARGET_STOPPED_BY_NO_REASON;
status->kind = TARGET_WAITKIND_STOPPED;
/* Check breakpoint when forward execute. */
if (execution_direction == EXEC_FORWARD)
{
tmp_pc = regcache_read_pc (regcache);
- if (breakpoint_inserted_here_p (aspace, tmp_pc))
+ if (record_check_stopped_by_breakpoint (aspace, tmp_pc,
+ &record_full_stop_reason))
{
- int decr_pc_after_break = gdbarch_decr_pc_after_break (gdbarch);
-
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
"Process record: break at %s.\n",
paddress (gdbarch, tmp_pc));
-
- if (decr_pc_after_break
- && !record_resume_step
- && software_breakpoint_inserted_here_p (aspace, tmp_pc))
- regcache_write_pc (regcache,
- tmp_pc + decr_pc_after_break);
goto replay_out;
}
}
Then set it to terminal_ours to make GDB get the signal. */
target_terminal_ours ();
- /* In EXEC_FORWARD mode, record_list points to the tail of prev
+ /* In EXEC_FORWARD mode, record_full_list points to the tail of prev
instruction. */
- if (execution_direction == EXEC_FORWARD && record_list->next)
- record_list = record_list->next;
+ if (execution_direction == EXEC_FORWARD && record_full_list->next)
+ record_full_list = record_full_list->next;
- /* Loop over the record_list, looking for the next place to
+ /* Loop over the record_full_list, looking for the next place to
stop. */
do
{
/* Check for beginning and end of log. */
if (execution_direction == EXEC_REVERSE
- && record_list == &record_first)
+ && record_full_list == &record_full_first)
{
/* Hit beginning of record log in reverse. */
status->kind = TARGET_WAITKIND_NO_HISTORY;
break;
}
- if (execution_direction != EXEC_REVERSE && !record_list->next)
+ if (execution_direction != EXEC_REVERSE && !record_full_list->next)
{
/* Hit end of record log going forward. */
status->kind = TARGET_WAITKIND_NO_HISTORY;
break;
}
- record_exec_insn (regcache, gdbarch, record_list);
+ record_full_exec_insn (regcache, gdbarch, record_full_list);
- if (record_list->type == record_end)
+ if (record_full_list->type == record_full_end)
{
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
- "Process record: record_end %s to "
+ "Process record: record_full_end %s to "
"inferior.\n",
- host_address_to_string (record_list));
+ host_address_to_string (record_full_list));
- if (first_record_end && execution_direction == EXEC_REVERSE)
+ if (first_record_full_end && execution_direction == EXEC_REVERSE)
{
- /* When reverse excute, the first record_end is the part of
- current instruction. */
- first_record_end = 0;
+ /* When reverse excute, the first record_full_end is the
+ part of current instruction. */
+ first_record_full_end = 0;
}
else
{
- /* In EXEC_REVERSE mode, this is the record_end of prev
+ /* In EXEC_REVERSE mode, this is the record_full_end of prev
instruction.
- In EXEC_FORWARD mode, this is the record_end of current
- instruction. */
+ In EXEC_FORWARD mode, this is the record_full_end of
+ current instruction. */
/* step */
- if (record_resume_step)
+ if (record_full_resume_step)
{
if (record_debug > 1)
fprintf_unfiltered (gdb_stdlog,
/* check breakpoint */
tmp_pc = regcache_read_pc (regcache);
- if (breakpoint_inserted_here_p (aspace, tmp_pc))
+ if (record_check_stopped_by_breakpoint (aspace, tmp_pc,
+ &record_full_stop_reason))
{
- int decr_pc_after_break
- = gdbarch_decr_pc_after_break (gdbarch);
-
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
"Process record: break "
"at %s.\n",
paddress (gdbarch, tmp_pc));
- if (decr_pc_after_break
- && execution_direction == EXEC_FORWARD
- && !record_resume_step
- && software_breakpoint_inserted_here_p (aspace,
- tmp_pc))
- regcache_write_pc (regcache,
- tmp_pc + decr_pc_after_break);
+
continue_flag = 0;
}
- if (record_hw_watchpoint)
+ if (record_full_stop_reason == TARGET_STOPPED_BY_WATCHPOINT)
{
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
continue_flag = 0;
}
/* Check target signal */
- if (record_list->u.end.sigval != GDB_SIGNAL_0)
+ if (record_full_list->u.end.sigval != GDB_SIGNAL_0)
/* FIXME: better way to check */
continue_flag = 0;
}
{
if (execution_direction == EXEC_REVERSE)
{
- if (record_list->prev)
- record_list = record_list->prev;
+ if (record_full_list->prev)
+ record_full_list = record_full_list->prev;
}
else
{
- if (record_list->next)
- record_list = record_list->next;
+ if (record_full_list->next)
+ record_full_list = record_full_list->next;
}
}
}
while (continue_flag);
replay_out:
- if (record_get_sig)
+ if (record_full_get_sig)
status->value.sig = GDB_SIGNAL_INT;
- else if (record_list->u.end.sigval != GDB_SIGNAL_0)
+ else if (record_full_list->u.end.sigval != GDB_SIGNAL_0)
/* FIXME: better way to check */
- status->value.sig = record_list->u.end.sigval;
+ status->value.sig = record_full_list->u.end.sigval;
else
status->value.sig = GDB_SIGNAL_TRAP;
}
static ptid_t
-record_wait (struct target_ops *ops,
- ptid_t ptid, struct target_waitstatus *status,
- int options)
+record_full_wait (struct target_ops *ops,
+ ptid_t ptid, struct target_waitstatus *status,
+ int options)
{
ptid_t return_ptid;
- return_ptid = record_wait_1 (ops, ptid, status, options);
+ return_ptid = record_full_wait_1 (ops, ptid, status, options);
if (status->kind != TARGET_WAITKIND_IGNORE)
{
/* We're reporting a stop. Make sure any spurious
target_wait(WNOHANG) doesn't advance the target until the
core wants us resumed again. */
- record_resumed = 0;
+ record_full_resumed = 0;
}
return return_ptid;
}
static int
-record_stopped_by_watchpoint (void)
+record_full_stopped_by_watchpoint (struct target_ops *ops)
{
- if (RECORD_IS_REPLAY)
- return record_hw_watchpoint;
+ if (RECORD_FULL_IS_REPLAY)
+ return record_full_stop_reason == TARGET_STOPPED_BY_WATCHPOINT;
else
- return record_beneath_to_stopped_by_watchpoint ();
+ return ops->beneath->to_stopped_by_watchpoint (ops->beneath);
}
-/* "to_disconnect" method for process record target. */
-
-static void
-record_disconnect (struct target_ops *target, char *args, int from_tty)
+static int
+record_full_stopped_data_address (struct target_ops *ops, CORE_ADDR *addr_p)
{
- if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: record_disconnect\n");
-
- unpush_target (&record_ops);
- target_disconnect (args, from_tty);
+ if (RECORD_FULL_IS_REPLAY)
+ return 0;
+ else
+ return ops->beneath->to_stopped_data_address (ops->beneath, addr_p);
}
-/* "to_detach" method for process record target. */
+/* The to_stopped_by_sw_breakpoint method of target record-full. */
-static void
-record_detach (struct target_ops *ops, char *args, int from_tty)
+static int
+record_full_stopped_by_sw_breakpoint (struct target_ops *ops)
{
- if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: record_detach\n");
-
- unpush_target (&record_ops);
- target_detach (args, from_tty);
+ return record_full_stop_reason == TARGET_STOPPED_BY_SW_BREAKPOINT;
}
-/* "to_mourn_inferior" method for process record target. */
+/* The to_supports_stopped_by_sw_breakpoint method of target
+ record-full. */
-static void
-record_mourn_inferior (struct target_ops *ops)
+static int
+record_full_supports_stopped_by_sw_breakpoint (struct target_ops *ops)
{
- if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: "
- "record_mourn_inferior\n");
-
- unpush_target (&record_ops);
- target_mourn_inferior ();
+ return 1;
}
-/* Close process record target before killing the inferior process. */
+/* The to_stopped_by_hw_breakpoint method of target record-full. */
-static void
-record_kill (struct target_ops *ops)
+static int
+record_full_stopped_by_hw_breakpoint (struct target_ops *ops)
{
- if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: record_kill\n");
-
- unpush_target (&record_ops);
- target_kill ();
+ return record_full_stop_reason == TARGET_STOPPED_BY_HW_BREAKPOINT;
}
+/* The to_supports_stopped_by_sw_breakpoint method of target
+ record-full. */
+
static int
-record_stopped_data_address (struct target_ops *ops, CORE_ADDR *addr_p)
+record_full_supports_stopped_by_hw_breakpoint (struct target_ops *ops)
{
- if (RECORD_IS_REPLAY)
- return 0;
- else
- return record_beneath_to_stopped_data_address (ops, addr_p);
+ return 1;
}
/* Record registers change (by user or by GDB) to list as an instruction. */
static void
-record_registers_change (struct regcache *regcache, int regnum)
+record_full_registers_change (struct regcache *regcache, int regnum)
{
- /* Check record_insn_num. */
- record_check_insn_num (0);
+ /* Check record_full_insn_num. */
+ record_full_check_insn_num (0);
- record_arch_list_head = NULL;
- record_arch_list_tail = NULL;
+ record_full_arch_list_head = NULL;
+ record_full_arch_list_tail = NULL;
if (regnum < 0)
{
for (i = 0; i < gdbarch_num_regs (get_regcache_arch (regcache)); i++)
{
- if (record_arch_list_add_reg (regcache, i))
+ if (record_full_arch_list_add_reg (regcache, i))
{
- record_list_release (record_arch_list_tail);
+ record_full_list_release (record_full_arch_list_tail);
error (_("Process record: failed to record execution log."));
}
}
}
else
{
- if (record_arch_list_add_reg (regcache, regnum))
+ if (record_full_arch_list_add_reg (regcache, regnum))
{
- record_list_release (record_arch_list_tail);
+ record_full_list_release (record_full_arch_list_tail);
error (_("Process record: failed to record execution log."));
}
}
- if (record_arch_list_add_end ())
+ if (record_full_arch_list_add_end ())
{
- record_list_release (record_arch_list_tail);
+ record_full_list_release (record_full_arch_list_tail);
error (_("Process record: failed to record execution log."));
}
- record_list->next = record_arch_list_head;
- record_arch_list_head->prev = record_list;
- record_list = record_arch_list_tail;
+ record_full_list->next = record_full_arch_list_head;
+ record_full_arch_list_head->prev = record_full_list;
+ record_full_list = record_full_arch_list_tail;
- if (record_insn_num == record_insn_max_num && record_insn_max_num)
- record_list_release_first ();
+ if (record_full_insn_num == record_full_insn_max_num)
+ record_full_list_release_first ();
else
- record_insn_num++;
+ record_full_insn_num++;
}
/* "to_store_registers" method for process record target. */
static void
-record_store_registers (struct target_ops *ops, struct regcache *regcache,
- int regno)
+record_full_store_registers (struct target_ops *ops,
+ struct regcache *regcache,
+ int regno)
{
- if (!record_gdb_operation_disable)
+ if (!record_full_gdb_operation_disable)
{
- if (RECORD_IS_REPLAY)
+ if (RECORD_FULL_IS_REPLAY)
{
int n;
}
/* Destroy the record from here forward. */
- record_list_release_following (record_list);
+ record_full_list_release_following (record_full_list);
}
- record_registers_change (regcache, regno);
+ record_full_registers_change (regcache, regno);
}
- record_beneath_to_store_registers (record_beneath_to_store_registers_ops,
- regcache, regno);
+ ops->beneath->to_store_registers (ops->beneath, regcache, regno);
}
-/* "to_xfer_partial" method. Behavior is conditional on RECORD_IS_REPLAY.
+/* "to_xfer_partial" method. Behavior is conditional on
+ RECORD_FULL_IS_REPLAY.
In replay mode, we cannot write memory unles we are willing to
invalidate the record/replay log from this point forward. */
-static LONGEST
-record_xfer_partial (struct target_ops *ops, enum target_object object,
- const char *annex, gdb_byte *readbuf,
- const gdb_byte *writebuf, ULONGEST offset, LONGEST len)
+static enum target_xfer_status
+record_full_xfer_partial (struct target_ops *ops, enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset,
+ ULONGEST len, ULONGEST *xfered_len)
{
- if (!record_gdb_operation_disable
+ if (!record_full_gdb_operation_disable
&& (object == TARGET_OBJECT_MEMORY
|| object == TARGET_OBJECT_RAW_MEMORY) && writebuf)
{
- if (RECORD_IS_REPLAY)
+ if (RECORD_FULL_IS_REPLAY)
{
/* Let user choose if he wants to write memory or not. */
if (!query (_("Because GDB is in replay mode, writing to memory "
error (_("Process record canceled the operation."));
/* Destroy the record from here forward. */
- record_list_release_following (record_list);
+ record_full_list_release_following (record_full_list);
}
- /* Check record_insn_num */
- record_check_insn_num (0);
+ /* Check record_full_insn_num */
+ record_full_check_insn_num (0);
/* Record registers change to list as an instruction. */
- record_arch_list_head = NULL;
- record_arch_list_tail = NULL;
- if (record_arch_list_add_mem (offset, len))
+ record_full_arch_list_head = NULL;
+ record_full_arch_list_tail = NULL;
+ if (record_full_arch_list_add_mem (offset, len))
{
- record_list_release (record_arch_list_tail);
+ record_full_list_release (record_full_arch_list_tail);
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
"Process record: failed to record "
"execution log.");
- return -1;
+ return TARGET_XFER_E_IO;
}
- if (record_arch_list_add_end ())
+ if (record_full_arch_list_add_end ())
{
- record_list_release (record_arch_list_tail);
+ record_full_list_release (record_full_arch_list_tail);
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
"Process record: failed to record "
"execution log.");
- return -1;
+ return TARGET_XFER_E_IO;
}
- record_list->next = record_arch_list_head;
- record_arch_list_head->prev = record_list;
- record_list = record_arch_list_tail;
+ record_full_list->next = record_full_arch_list_head;
+ record_full_arch_list_head->prev = record_full_list;
+ record_full_list = record_full_arch_list_tail;
- if (record_insn_num == record_insn_max_num && record_insn_max_num)
- record_list_release_first ();
+ if (record_full_insn_num == record_full_insn_max_num)
+ record_full_list_release_first ();
else
- record_insn_num++;
+ record_full_insn_num++;
}
- return record_beneath_to_xfer_partial (record_beneath_to_xfer_partial_ops,
- object, annex, readbuf, writebuf,
- offset, len);
+ return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
+ readbuf, writebuf, offset,
+ len, xfered_len);
}
/* This structure represents a breakpoint inserted while the record
recording. In that case, the breakpoint had not been inserted on
the target beneath, so we should not try to remove it there. */
-struct record_breakpoint
+struct record_full_breakpoint
{
/* The address and address space the breakpoint was set at. */
struct address_space *address_space;
int in_target_beneath;
};
-typedef struct record_breakpoint *record_breakpoint_p;
-DEF_VEC_P(record_breakpoint_p);
+typedef struct record_full_breakpoint *record_full_breakpoint_p;
+DEF_VEC_P(record_full_breakpoint_p);
/* The list of breakpoints inserted while the record target is
active. */
-VEC(record_breakpoint_p) *record_breakpoints = NULL;
+VEC(record_full_breakpoint_p) *record_full_breakpoints = NULL;
static void
-record_sync_record_breakpoints (struct bp_location *loc, void *data)
+record_full_sync_record_breakpoints (struct bp_location *loc, void *data)
{
if (loc->loc_type != bp_loc_software_breakpoint)
return;
if (loc->inserted)
{
- struct record_breakpoint *bp = XNEW (struct record_breakpoint);
+ struct record_full_breakpoint *bp = XNEW (struct record_full_breakpoint);
bp->addr = loc->target_info.placed_address;
bp->address_space = loc->target_info.placed_address_space;
bp->in_target_beneath = 1;
- VEC_safe_push (record_breakpoint_p, record_breakpoints, bp);
+ VEC_safe_push (record_full_breakpoint_p, record_full_breakpoints, bp);
}
}
-/* Sync existing breakpoints to record_breakpoints. */
+/* Sync existing breakpoints to record_full_breakpoints. */
static void
-record_init_record_breakpoints (void)
+record_full_init_record_breakpoints (void)
{
- VEC_free (record_breakpoint_p, record_breakpoints);
+ VEC_free (record_full_breakpoint_p, record_full_breakpoints);
- iterate_over_bp_locations (record_sync_record_breakpoints);
+ iterate_over_bp_locations (record_full_sync_record_breakpoints);
}
-/* Behavior is conditional on RECORD_IS_REPLAY. We will not actually
+/* Behavior is conditional on RECORD_FULL_IS_REPLAY. We will not actually
insert or remove breakpoints in the real target when replaying, nor
when recording. */
static int
-record_insert_breakpoint (struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt)
+record_full_insert_breakpoint (struct target_ops *ops,
+ struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt)
{
- struct record_breakpoint *bp;
+ struct record_full_breakpoint *bp;
int in_target_beneath = 0;
- if (!RECORD_IS_REPLAY)
+ if (!RECORD_FULL_IS_REPLAY)
{
/* When recording, we currently always single-step, so we don't
really need to install regular breakpoints in the inferior.
struct cleanup *old_cleanups;
int ret;
- old_cleanups = record_gdb_operation_disable_set ();
- ret = record_beneath_to_insert_breakpoint (gdbarch, bp_tgt);
+ old_cleanups = record_full_gdb_operation_disable_set ();
+ ret = ops->beneath->to_insert_breakpoint (ops->beneath, gdbarch, bp_tgt);
do_cleanups (old_cleanups);
if (ret != 0)
in_target_beneath = 1;
}
- bp = XNEW (struct record_breakpoint);
+ bp = XNEW (struct record_full_breakpoint);
bp->addr = bp_tgt->placed_address;
bp->address_space = bp_tgt->placed_address_space;
bp->in_target_beneath = in_target_beneath;
- VEC_safe_push (record_breakpoint_p, record_breakpoints, bp);
+ VEC_safe_push (record_full_breakpoint_p, record_full_breakpoints, bp);
return 0;
}
/* "to_remove_breakpoint" method for process record target. */
static int
-record_remove_breakpoint (struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt)
+record_full_remove_breakpoint (struct target_ops *ops,
+ struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt)
{
- struct record_breakpoint *bp;
+ struct record_full_breakpoint *bp;
int ix;
for (ix = 0;
- VEC_iterate (record_breakpoint_p, record_breakpoints, ix, bp);
+ VEC_iterate (record_full_breakpoint_p,
+ record_full_breakpoints, ix, bp);
++ix)
{
if (bp->addr == bp_tgt->placed_address
struct cleanup *old_cleanups;
int ret;
- old_cleanups = record_gdb_operation_disable_set ();
- ret = record_beneath_to_remove_breakpoint (gdbarch, bp_tgt);
+ old_cleanups = record_full_gdb_operation_disable_set ();
+ ret = ops->beneath->to_remove_breakpoint (ops->beneath, gdbarch,
+ bp_tgt);
do_cleanups (old_cleanups);
if (ret != 0)
return ret;
}
- VEC_unordered_remove (record_breakpoint_p, record_breakpoints, ix);
+ VEC_unordered_remove (record_full_breakpoint_p,
+ record_full_breakpoints, ix);
return 0;
}
}
/* "to_can_execute_reverse" method for process record target. */
static int
-record_can_execute_reverse (void)
+record_full_can_execute_reverse (struct target_ops *self)
{
return 1;
}
/* "to_get_bookmark" method for process record and prec over core. */
static gdb_byte *
-record_get_bookmark (char *args, int from_tty)
+record_full_get_bookmark (struct target_ops *self, const char *args,
+ int from_tty)
{
- gdb_byte *ret = NULL;
+ char *ret = NULL;
/* Return stringified form of instruction count. */
- if (record_list && record_list->type == record_end)
- ret = xstrdup (pulongest (record_list->u.end.insn_num));
+ if (record_full_list && record_full_list->type == record_full_end)
+ ret = xstrdup (pulongest (record_full_list->u.end.insn_num));
if (record_debug)
{
if (ret)
fprintf_unfiltered (gdb_stdlog,
- "record_get_bookmark returns %s\n", ret);
+ "record_full_get_bookmark returns %s\n", ret);
else
fprintf_unfiltered (gdb_stdlog,
- "record_get_bookmark returns NULL\n");
+ "record_full_get_bookmark returns NULL\n");
}
- return ret;
+ return (gdb_byte *) ret;
}
/* "to_goto_bookmark" method for process record and prec over core. */
static void
-record_goto_bookmark (gdb_byte *bookmark, int from_tty)
+record_full_goto_bookmark (struct target_ops *self,
+ const gdb_byte *raw_bookmark, int from_tty)
{
+ const char *bookmark = (const char *) raw_bookmark;
+ struct cleanup *cleanup = make_cleanup (null_cleanup, NULL);
+
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
- "record_goto_bookmark receives %s\n", bookmark);
+ "record_full_goto_bookmark receives %s\n", bookmark);
if (bookmark[0] == '\'' || bookmark[0] == '\"')
{
+ char *copy;
+
if (bookmark[strlen (bookmark) - 1] != bookmark[0])
error (_("Unbalanced quotes: %s"), bookmark);
- /* Strip trailing quote. */
- bookmark[strlen (bookmark) - 1] = '\0';
- /* Strip leading quote. */
- bookmark++;
- /* Pass along to cmd_record_goto. */
- }
-
- cmd_record_goto ((char *) bookmark, from_tty);
- return;
-}
-static void
-record_async (void (*callback) (enum inferior_event_type event_type,
- void *context), void *context)
-{
- /* If we're on top of a line target (e.g., linux-nat, remote), then
- set it to async mode as well. Will be NULL if we're sitting on
- top of the core target, for "record restore". */
- if (record_beneath_to_async != NULL)
- record_beneath_to_async (callback, context);
-}
+ copy = savestring (bookmark + 1, strlen (bookmark) - 2);
+ make_cleanup (xfree, copy);
+ bookmark = copy;
+ }
-static int
-record_can_async_p (void)
-{
- /* We only enable async when the user specifically asks for it. */
- return target_async_permitted;
-}
+ record_goto (bookmark);
-static int
-record_is_async_p (void)
-{
- /* We only enable async when the user specifically asks for it. */
- return target_async_permitted;
+ do_cleanups (cleanup);
}
static enum exec_direction_kind
-record_execution_direction (void)
+record_full_execution_direction (struct target_ops *self)
{
- return record_execution_dir;
+ return record_full_execution_dir;
}
static void
-record_info (void)
+record_full_info (struct target_ops *self)
{
- struct record_entry *p;
+ struct record_full_entry *p;
- if (RECORD_IS_REPLAY)
+ if (RECORD_FULL_IS_REPLAY)
printf_filtered (_("Replay mode:\n"));
else
printf_filtered (_("Record mode:\n"));
/* Find entry for first actual instruction in the log. */
- for (p = record_first.next;
- p != NULL && p->type != record_end;
+ for (p = record_full_first.next;
+ p != NULL && p->type != record_full_end;
p = p->next)
;
/* Do we have a log at all? */
- if (p != NULL && p->type == record_end)
+ if (p != NULL && p->type == record_full_end)
{
/* Display instruction number for first instruction in the log. */
printf_filtered (_("Lowest recorded instruction number is %s.\n"),
pulongest (p->u.end.insn_num));
/* If in replay mode, display where we are in the log. */
- if (RECORD_IS_REPLAY)
+ if (RECORD_FULL_IS_REPLAY)
printf_filtered (_("Current instruction number is %s.\n"),
- pulongest (record_list->u.end.insn_num));
+ pulongest (record_full_list->u.end.insn_num));
/* Display instruction number for last instruction in the log. */
printf_filtered (_("Highest recorded instruction number is %s.\n"),
- pulongest (record_insn_count));
+ pulongest (record_full_insn_count));
/* Display log count. */
- printf_filtered (_("Log contains %d instructions.\n"),
- record_insn_num);
+ printf_filtered (_("Log contains %u instructions.\n"),
+ record_full_insn_num);
}
else
printf_filtered (_("No instructions have been logged.\n"));
/* Display max log size. */
- printf_filtered (_("Max logged instructions is %d.\n"),
- record_insn_max_num);
+ printf_filtered (_("Max logged instructions is %u.\n"),
+ record_full_insn_max_num);
}
/* The "to_record_delete" target method. */
static void
-record_delete (void)
+record_full_delete (struct target_ops *self)
{
- record_list_release_following (record_list);
+ record_full_list_release_following (record_full_list);
}
/* The "to_record_is_replaying" target method. */
static int
-record_is_replaying (void)
+record_full_is_replaying (struct target_ops *self, ptid_t ptid)
{
- return RECORD_IS_REPLAY;
+ return RECORD_FULL_IS_REPLAY;
}
/* Go to a specific entry. */
static void
-record_goto_entry (struct record_entry *p)
+record_full_goto_entry (struct record_full_entry *p)
{
if (p == NULL)
error (_("Target insn not found."));
- else if (p == record_list)
+ else if (p == record_full_list)
error (_("Already at target insn."));
- else if (p->u.end.insn_num > record_list->u.end.insn_num)
+ else if (p->u.end.insn_num > record_full_list->u.end.insn_num)
{
printf_filtered (_("Go forward to insn number %s\n"),
pulongest (p->u.end.insn_num));
- record_goto_insn (p, EXEC_FORWARD);
+ record_full_goto_insn (p, EXEC_FORWARD);
}
else
{
printf_filtered (_("Go backward to insn number %s\n"),
pulongest (p->u.end.insn_num));
- record_goto_insn (p, EXEC_REVERSE);
+ record_full_goto_insn (p, EXEC_REVERSE);
}
registers_changed ();
reinit_frame_cache ();
- print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
+ stop_pc = regcache_read_pc (get_current_regcache ());
+ print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
}
/* The "to_goto_record_begin" target method. */
static void
-record_goto_begin (void)
+record_full_goto_begin (struct target_ops *self)
{
- struct record_entry *p = NULL;
+ struct record_full_entry *p = NULL;
- for (p = &record_first; p != NULL; p = p->next)
- if (p->type == record_end)
+ for (p = &record_full_first; p != NULL; p = p->next)
+ if (p->type == record_full_end)
break;
- record_goto_entry (p);
+ record_full_goto_entry (p);
}
/* The "to_goto_record_end" target method. */
static void
-record_goto_end (void)
+record_full_goto_end (struct target_ops *self)
{
- struct record_entry *p = NULL;
+ struct record_full_entry *p = NULL;
- for (p = record_list; p->next != NULL; p = p->next)
+ for (p = record_full_list; p->next != NULL; p = p->next)
;
for (; p!= NULL; p = p->prev)
- if (p->type == record_end)
+ if (p->type == record_full_end)
break;
- record_goto_entry (p);
+ record_full_goto_entry (p);
}
/* The "to_goto_record" target method. */
static void
-record_goto (ULONGEST target_insn)
+record_full_goto (struct target_ops *self, ULONGEST target_insn)
{
- struct record_entry *p = NULL;
+ struct record_full_entry *p = NULL;
- for (p = &record_first; p != NULL; p = p->next)
- if (p->type == record_end && p->u.end.insn_num == target_insn)
+ for (p = &record_full_first; p != NULL; p = p->next)
+ if (p->type == record_full_end && p->u.end.insn_num == target_insn)
break;
- record_goto_entry (p);
+ record_full_goto_entry (p);
}
static void
-init_record_ops (void)
+init_record_full_ops (void)
{
- record_ops.to_shortname = "record-full";
- record_ops.to_longname = "Process record and replay target";
- record_ops.to_doc =
+ record_full_ops.to_shortname = "record-full";
+ record_full_ops.to_longname = "Process record and replay target";
+ record_full_ops.to_doc =
"Log program while executing and replay execution from log.";
- record_ops.to_open = record_open;
- record_ops.to_close = record_close;
- record_ops.to_resume = record_resume;
- record_ops.to_wait = record_wait;
- record_ops.to_disconnect = record_disconnect;
- record_ops.to_detach = record_detach;
- record_ops.to_mourn_inferior = record_mourn_inferior;
- record_ops.to_kill = record_kill;
- record_ops.to_create_inferior = find_default_create_inferior;
- record_ops.to_store_registers = record_store_registers;
- record_ops.to_xfer_partial = record_xfer_partial;
- record_ops.to_insert_breakpoint = record_insert_breakpoint;
- record_ops.to_remove_breakpoint = record_remove_breakpoint;
- record_ops.to_stopped_by_watchpoint = record_stopped_by_watchpoint;
- record_ops.to_stopped_data_address = record_stopped_data_address;
- record_ops.to_can_execute_reverse = record_can_execute_reverse;
- record_ops.to_stratum = record_stratum;
+ record_full_ops.to_open = record_full_open;
+ record_full_ops.to_close = record_full_close;
+ record_full_ops.to_async = record_full_async;
+ record_full_ops.to_resume = record_full_resume;
+ record_full_ops.to_wait = record_full_wait;
+ record_full_ops.to_disconnect = record_disconnect;
+ record_full_ops.to_detach = record_detach;
+ record_full_ops.to_mourn_inferior = record_mourn_inferior;
+ record_full_ops.to_kill = record_kill;
+ record_full_ops.to_store_registers = record_full_store_registers;
+ record_full_ops.to_xfer_partial = record_full_xfer_partial;
+ record_full_ops.to_insert_breakpoint = record_full_insert_breakpoint;
+ record_full_ops.to_remove_breakpoint = record_full_remove_breakpoint;
+ record_full_ops.to_stopped_by_watchpoint = record_full_stopped_by_watchpoint;
+ record_full_ops.to_stopped_data_address = record_full_stopped_data_address;
+ record_full_ops.to_stopped_by_sw_breakpoint
+ = record_full_stopped_by_sw_breakpoint;
+ record_full_ops.to_supports_stopped_by_sw_breakpoint
+ = record_full_supports_stopped_by_sw_breakpoint;
+ record_full_ops.to_stopped_by_hw_breakpoint
+ = record_full_stopped_by_hw_breakpoint;
+ record_full_ops.to_supports_stopped_by_hw_breakpoint
+ = record_full_supports_stopped_by_hw_breakpoint;
+ record_full_ops.to_can_execute_reverse = record_full_can_execute_reverse;
+ record_full_ops.to_stratum = record_stratum;
/* Add bookmark target methods. */
- record_ops.to_get_bookmark = record_get_bookmark;
- record_ops.to_goto_bookmark = record_goto_bookmark;
- record_ops.to_async = record_async;
- record_ops.to_can_async_p = record_can_async_p;
- record_ops.to_is_async_p = record_is_async_p;
- record_ops.to_execution_direction = record_execution_direction;
- record_ops.to_info_record = record_info;
- record_ops.to_save_record = record_save;
- record_ops.to_delete_record = record_delete;
- record_ops.to_record_is_replaying = record_is_replaying;
- record_ops.to_goto_record_begin = record_goto_begin;
- record_ops.to_goto_record_end = record_goto_end;
- record_ops.to_goto_record = record_goto;
- record_ops.to_magic = OPS_MAGIC;
+ record_full_ops.to_get_bookmark = record_full_get_bookmark;
+ record_full_ops.to_goto_bookmark = record_full_goto_bookmark;
+ record_full_ops.to_execution_direction = record_full_execution_direction;
+ record_full_ops.to_info_record = record_full_info;
+ record_full_ops.to_save_record = record_full_save;
+ record_full_ops.to_delete_record = record_full_delete;
+ record_full_ops.to_record_is_replaying = record_full_is_replaying;
+ record_full_ops.to_goto_record_begin = record_full_goto_begin;
+ record_full_ops.to_goto_record_end = record_full_goto_end;
+ record_full_ops.to_goto_record = record_full_goto;
+ record_full_ops.to_magic = OPS_MAGIC;
}
/* "to_resume" method for prec over corefile. */
static void
-record_core_resume (struct target_ops *ops, ptid_t ptid, int step,
- enum gdb_signal signal)
+record_full_core_resume (struct target_ops *ops, ptid_t ptid, int step,
+ enum gdb_signal signal)
{
- record_resume_step = step;
- record_resumed = 1;
- record_execution_dir = execution_direction;
+ record_full_resume_step = step;
+ record_full_resumed = 1;
+ record_full_execution_dir = execution_direction;
/* We are about to start executing the inferior (or simulate it),
let's register it with the event loop. */
if (target_can_async_p ())
- {
- target_async (inferior_event_handler, 0);
-
- /* Notify the event loop there's an event to wait for. */
- mark_async_event_handler (record_async_inferior_event_token);
- }
+ target_async (1);
}
/* "to_kill" method for prec over corefile. */
static void
-record_core_kill (struct target_ops *ops)
+record_full_core_kill (struct target_ops *ops)
{
if (record_debug)
- fprintf_unfiltered (gdb_stdlog, "Process record: record_core_kill\n");
+ fprintf_unfiltered (gdb_stdlog, "Process record: record_full_core_kill\n");
- unpush_target (&record_core_ops);
+ unpush_target (&record_full_core_ops);
}
/* "to_fetch_registers" method for prec over corefile. */
static void
-record_core_fetch_registers (struct target_ops *ops,
- struct regcache *regcache,
- int regno)
+record_full_core_fetch_registers (struct target_ops *ops,
+ struct regcache *regcache,
+ int regno)
{
if (regno < 0)
{
for (i = 0; i < num; i ++)
regcache_raw_supply (regcache, i,
- record_core_regbuf + MAX_REGISTER_SIZE * i);
+ record_full_core_regbuf + MAX_REGISTER_SIZE * i);
}
else
regcache_raw_supply (regcache, regno,
- record_core_regbuf + MAX_REGISTER_SIZE * regno);
+ record_full_core_regbuf + MAX_REGISTER_SIZE * regno);
}
/* "to_prepare_to_store" method for prec over corefile. */
static void
-record_core_prepare_to_store (struct regcache *regcache)
+record_full_core_prepare_to_store (struct target_ops *self,
+ struct regcache *regcache)
{
}
/* "to_store_registers" method for prec over corefile. */
static void
-record_core_store_registers (struct target_ops *ops,
+record_full_core_store_registers (struct target_ops *ops,
struct regcache *regcache,
int regno)
{
- if (record_gdb_operation_disable)
+ if (record_full_gdb_operation_disable)
regcache_raw_collect (regcache, regno,
- record_core_regbuf + MAX_REGISTER_SIZE * regno);
+ record_full_core_regbuf + MAX_REGISTER_SIZE * regno);
else
error (_("You can't do that without a process to debug."));
}
/* "to_xfer_partial" method for prec over corefile. */
-static LONGEST
-record_core_xfer_partial (struct target_ops *ops, enum target_object object,
- const char *annex, gdb_byte *readbuf,
- const gdb_byte *writebuf, ULONGEST offset,
- LONGEST len)
+static enum target_xfer_status
+record_full_core_xfer_partial (struct target_ops *ops,
+ enum target_object object,
+ const char *annex, gdb_byte *readbuf,
+ const gdb_byte *writebuf, ULONGEST offset,
+ ULONGEST len, ULONGEST *xfered_len)
{
if (object == TARGET_OBJECT_MEMORY)
{
- if (record_gdb_operation_disable || !writebuf)
+ if (record_full_gdb_operation_disable || !writebuf)
{
struct target_section *p;
- for (p = record_core_start; p < record_core_end; p++)
+ for (p = record_full_core_start; p < record_full_core_end; p++)
{
if (offset >= p->addr)
{
- struct record_core_buf_entry *entry;
+ struct record_full_core_buf_entry *entry;
ULONGEST sec_offset;
if (offset >= p->endaddr)
{
if (readbuf)
memset (readbuf, 0, len);
- return len;
+
+ *xfered_len = len;
+ return TARGET_XFER_OK;
}
- /* Get record_core_buf_entry. */
- for (entry = record_core_buf_list; entry;
+ /* Get record_full_core_buf_entry. */
+ for (entry = record_full_core_buf_list; entry;
entry = entry->prev)
if (entry->p == p)
break;
if (!entry)
{
/* Add a new entry. */
- entry = (struct record_core_buf_entry *)
- xmalloc (sizeof (struct record_core_buf_entry));
+ entry = XNEW (struct record_full_core_buf_entry);
entry->p = p;
- if (!bfd_malloc_and_get_section (p->bfd,
- p->the_bfd_section,
- &entry->buf))
+ if (!bfd_malloc_and_get_section
+ (p->the_bfd_section->owner,
+ p->the_bfd_section,
+ &entry->buf))
{
xfree (entry);
- return 0;
+ return TARGET_XFER_EOF;
}
- entry->prev = record_core_buf_list;
- record_core_buf_list = entry;
+ entry->prev = record_full_core_buf_list;
+ record_full_core_buf_list = entry;
}
memcpy (entry->buf + sec_offset, writebuf,
else
{
if (!entry)
- return record_beneath_to_xfer_partial
- (record_beneath_to_xfer_partial_ops,
- object, annex, readbuf, writebuf,
- offset, len);
+ return ops->beneath->to_xfer_partial (ops->beneath,
+ object, annex,
+ readbuf, writebuf,
+ offset, len,
+ xfered_len);
memcpy (readbuf, entry->buf + sec_offset,
(size_t) len);
}
- return len;
+ *xfered_len = len;
+ return TARGET_XFER_OK;
}
}
- return -1;
+ return TARGET_XFER_E_IO;
}
else
error (_("You can't do that without a process to debug."));
}
- return record_beneath_to_xfer_partial (record_beneath_to_xfer_partial_ops,
- object, annex, readbuf, writebuf,
- offset, len);
+ return ops->beneath->to_xfer_partial (ops->beneath, object, annex,
+ readbuf, writebuf, offset, len,
+ xfered_len);
}
/* "to_insert_breakpoint" method for prec over corefile. */
static int
-record_core_insert_breakpoint (struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt)
+record_full_core_insert_breakpoint (struct target_ops *ops,
+ struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt)
{
return 0;
}
/* "to_remove_breakpoint" method for prec over corefile. */
static int
-record_core_remove_breakpoint (struct gdbarch *gdbarch,
- struct bp_target_info *bp_tgt)
+record_full_core_remove_breakpoint (struct target_ops *ops,
+ struct gdbarch *gdbarch,
+ struct bp_target_info *bp_tgt)
{
return 0;
}
/* "to_has_execution" method for prec over corefile. */
static int
-record_core_has_execution (struct target_ops *ops, ptid_t the_ptid)
+record_full_core_has_execution (struct target_ops *ops, ptid_t the_ptid)
{
return 1;
}
static void
-init_record_core_ops (void)
+init_record_full_core_ops (void)
{
- record_core_ops.to_shortname = "record-core";
- record_core_ops.to_longname = "Process record and replay target";
- record_core_ops.to_doc =
+ record_full_core_ops.to_shortname = "record-core";
+ record_full_core_ops.to_longname = "Process record and replay target";
+ record_full_core_ops.to_doc =
"Log program while executing and replay execution from log.";
- record_core_ops.to_open = record_open;
- record_core_ops.to_close = record_close;
- record_core_ops.to_resume = record_core_resume;
- record_core_ops.to_wait = record_wait;
- record_core_ops.to_kill = record_core_kill;
- record_core_ops.to_fetch_registers = record_core_fetch_registers;
- record_core_ops.to_prepare_to_store = record_core_prepare_to_store;
- record_core_ops.to_store_registers = record_core_store_registers;
- record_core_ops.to_xfer_partial = record_core_xfer_partial;
- record_core_ops.to_insert_breakpoint = record_core_insert_breakpoint;
- record_core_ops.to_remove_breakpoint = record_core_remove_breakpoint;
- record_core_ops.to_stopped_by_watchpoint = record_stopped_by_watchpoint;
- record_core_ops.to_stopped_data_address = record_stopped_data_address;
- record_core_ops.to_can_execute_reverse = record_can_execute_reverse;
- record_core_ops.to_has_execution = record_core_has_execution;
- record_core_ops.to_stratum = record_stratum;
+ record_full_core_ops.to_open = record_full_open;
+ record_full_core_ops.to_close = record_full_close;
+ record_full_core_ops.to_async = record_full_async;
+ record_full_core_ops.to_resume = record_full_core_resume;
+ record_full_core_ops.to_wait = record_full_wait;
+ record_full_core_ops.to_kill = record_full_core_kill;
+ record_full_core_ops.to_fetch_registers = record_full_core_fetch_registers;
+ record_full_core_ops.to_prepare_to_store = record_full_core_prepare_to_store;
+ record_full_core_ops.to_store_registers = record_full_core_store_registers;
+ record_full_core_ops.to_xfer_partial = record_full_core_xfer_partial;
+ record_full_core_ops.to_insert_breakpoint
+ = record_full_core_insert_breakpoint;
+ record_full_core_ops.to_remove_breakpoint
+ = record_full_core_remove_breakpoint;
+ record_full_core_ops.to_stopped_by_watchpoint
+ = record_full_stopped_by_watchpoint;
+ record_full_core_ops.to_stopped_data_address
+ = record_full_stopped_data_address;
+ record_full_core_ops.to_stopped_by_sw_breakpoint
+ = record_full_stopped_by_sw_breakpoint;
+ record_full_core_ops.to_supports_stopped_by_sw_breakpoint
+ = record_full_supports_stopped_by_sw_breakpoint;
+ record_full_core_ops.to_stopped_by_hw_breakpoint
+ = record_full_stopped_by_hw_breakpoint;
+ record_full_core_ops.to_supports_stopped_by_hw_breakpoint
+ = record_full_supports_stopped_by_hw_breakpoint;
+ record_full_core_ops.to_can_execute_reverse
+ = record_full_can_execute_reverse;
+ record_full_core_ops.to_has_execution = record_full_core_has_execution;
+ record_full_core_ops.to_stratum = record_stratum;
/* Add bookmark target methods. */
- record_core_ops.to_get_bookmark = record_get_bookmark;
- record_core_ops.to_goto_bookmark = record_goto_bookmark;
- record_core_ops.to_async = record_async;
- record_core_ops.to_can_async_p = record_can_async_p;
- record_core_ops.to_is_async_p = record_is_async_p;
- record_core_ops.to_execution_direction = record_execution_direction;
- record_core_ops.to_info_record = record_info;
- record_core_ops.to_delete_record = record_delete;
- record_core_ops.to_record_is_replaying = record_is_replaying;
- record_core_ops.to_goto_record_begin = record_goto_begin;
- record_core_ops.to_goto_record_end = record_goto_end;
- record_core_ops.to_goto_record = record_goto;
- record_core_ops.to_magic = OPS_MAGIC;
+ record_full_core_ops.to_get_bookmark = record_full_get_bookmark;
+ record_full_core_ops.to_goto_bookmark = record_full_goto_bookmark;
+ record_full_core_ops.to_execution_direction
+ = record_full_execution_direction;
+ record_full_core_ops.to_info_record = record_full_info;
+ record_full_core_ops.to_delete_record = record_full_delete;
+ record_full_core_ops.to_record_is_replaying = record_full_is_replaying;
+ record_full_core_ops.to_goto_record_begin = record_full_goto_begin;
+ record_full_core_ops.to_goto_record_end = record_full_goto_end;
+ record_full_core_ops.to_goto_record = record_full_goto;
+ record_full_core_ops.to_magic = OPS_MAGIC;
}
/* Record log save-file format
NOTE: be sure to change whenever this file format changes!
Records:
- record_end:
- 1 byte: record type (record_end, see enum record_type).
- record_reg:
- 1 byte: record type (record_reg, see enum record_type).
+ record_full_end:
+ 1 byte: record type (record_full_end, see enum record_full_type).
+ record_full_reg:
+ 1 byte: record type (record_full_reg, see enum record_full_type).
8 bytes: register id (network byte order).
MAX_REGISTER_SIZE bytes: register value.
- record_mem:
- 1 byte: record type (record_mem, see enum record_type).
+ record_full_mem:
+ 1 byte: record type (record_full_mem, see enum record_full_type).
8 bytes: memory length (network byte order).
8 bytes: memory address (network byte order).
n bytes: memory value (n == memory length).
NOTE: be sure to change whenever this file format changes!
Records:
- record_end:
- 1 byte: record type (record_end, see enum record_type).
+ record_full_end:
+ 1 byte: record type (record_full_end, see enum record_full_type).
4 bytes: signal
4 bytes: instruction count
- record_reg:
- 1 byte: record type (record_reg, see enum record_type).
+ record_full_reg:
+ 1 byte: record type (record_full_reg, see enum record_full_type).
4 bytes: register id (network byte order).
n bytes: register value (n == actual register size).
(eg. 4 bytes for x86 general registers).
- record_mem:
- 1 byte: record type (record_mem, see enum record_type).
+ record_full_mem:
+ 1 byte: record type (record_full_mem, see enum record_full_type).
4 bytes: memory length (network byte order).
8 bytes: memory address (network byte order).
n bytes: memory value (n == memory length).
/* Restore the execution log from a core_bfd file. */
static void
-record_restore (void)
+record_full_restore (void)
{
uint32_t magic;
struct cleanup *old_cleanups;
- struct record_entry *rec;
+ struct record_full_entry *rec;
asection *osec;
uint32_t osec_size;
int bfd_offset = 0;
if (core_bfd == NULL)
return;
- /* "record_restore" can only be called when record list is empty. */
- gdb_assert (record_first.next == NULL);
+ /* "record_full_restore" can only be called when record list is empty. */
+ gdb_assert (record_full_first.next == NULL);
if (record_debug)
fprintf_unfiltered (gdb_stdlog, "Restoring recording from core file.\n");
/* Check the magic code. */
bfdcore_read (core_bfd, osec, &magic, sizeof (magic), &bfd_offset);
- if (magic != RECORD_FILE_MAGIC)
+ if (magic != RECORD_FULL_FILE_MAGIC)
error (_("Version mis-match or file format error in core file %s."),
bfd_get_filename (core_bfd));
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
" Reading 4-byte magic cookie "
- "RECORD_FILE_MAGIC (0x%s)\n",
+ "RECORD_FULL_FILE_MAGIC (0x%s)\n",
phex_nz (netorder32 (magic), 4));
- /* Restore the entries in recfd into record_arch_list_head and
- record_arch_list_tail. */
- record_arch_list_head = NULL;
- record_arch_list_tail = NULL;
- record_insn_num = 0;
- old_cleanups = make_cleanup (record_arch_list_cleanups, 0);
+ /* Restore the entries in recfd into record_full_arch_list_head and
+ record_full_arch_list_tail. */
+ record_full_arch_list_head = NULL;
+ record_full_arch_list_tail = NULL;
+ record_full_insn_num = 0;
+ old_cleanups = make_cleanup (record_full_arch_list_cleanups, 0);
regcache = get_current_regcache ();
while (1)
switch (rectype)
{
- case record_reg: /* reg */
+ case record_full_reg: /* reg */
/* Get register number to regnum. */
bfdcore_read (core_bfd, osec, ®num,
sizeof (regnum), &bfd_offset);
regnum = netorder32 (regnum);
- rec = record_reg_alloc (regcache, regnum);
+ rec = record_full_reg_alloc (regcache, regnum);
/* Get val. */
- bfdcore_read (core_bfd, osec, record_get_loc (rec),
+ bfdcore_read (core_bfd, osec, record_full_get_loc (rec),
rec->u.reg.len, &bfd_offset);
if (record_debug)
rec->u.reg.len);
break;
- case record_mem: /* mem */
+ case record_full_mem: /* mem */
/* Get len. */
bfdcore_read (core_bfd, osec, &len,
sizeof (len), &bfd_offset);
sizeof (addr), &bfd_offset);
addr = netorder64 (addr);
- rec = record_mem_alloc (addr, len);
+ rec = record_full_mem_alloc (addr, len);
/* Get val. */
- bfdcore_read (core_bfd, osec, record_get_loc (rec),
+ bfdcore_read (core_bfd, osec, record_full_get_loc (rec),
rec->u.mem.len, &bfd_offset);
if (record_debug)
rec->u.mem.len);
break;
- case record_end: /* end */
- rec = record_end_alloc ();
- record_insn_num ++;
+ case record_full_end: /* end */
+ rec = record_full_end_alloc ();
+ record_full_insn_num ++;
/* Get signal value. */
bfdcore_read (core_bfd, osec, &signal,
sizeof (signal), &bfd_offset);
signal = netorder32 (signal);
- rec->u.end.sigval = signal;
+ rec->u.end.sigval = (enum gdb_signal) signal;
/* Get insn count. */
bfdcore_read (core_bfd, osec, &count,
sizeof (count), &bfd_offset);
count = netorder32 (count);
rec->u.end.insn_num = count;
- record_insn_count = count + 1;
+ record_full_insn_count = count + 1;
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
- " Reading record_end (1 + "
+ " Reading record_full_end (1 + "
"%lu + %lu bytes), offset == %s\n",
(unsigned long) sizeof (signal),
(unsigned long) sizeof (count),
}
/* Add rec to record arch list. */
- record_arch_list_add (rec);
+ record_full_arch_list_add (rec);
}
discard_cleanups (old_cleanups);
- /* Add record_arch_list_head to the end of record list. */
- record_first.next = record_arch_list_head;
- record_arch_list_head->prev = &record_first;
- record_arch_list_tail->next = NULL;
- record_list = &record_first;
+ /* Add record_full_arch_list_head to the end of record list. */
+ record_full_first.next = record_full_arch_list_head;
+ record_full_arch_list_head->prev = &record_full_first;
+ record_full_arch_list_tail->next = NULL;
+ record_full_list = &record_full_first;
- /* Update record_insn_max_num. */
- if (record_insn_num > record_insn_max_num)
+ /* Update record_full_insn_max_num. */
+ if (record_full_insn_num > record_full_insn_max_num)
{
- record_insn_max_num = record_insn_num;
- warning (_("Auto increase record/replay buffer limit to %d."),
- record_insn_max_num);
+ record_full_insn_max_num = record_full_insn_num;
+ warning (_("Auto increase record/replay buffer limit to %u."),
+ record_full_insn_max_num);
}
/* Succeeded. */
printf_filtered (_("Restored records from core file %s.\n"),
bfd_get_filename (core_bfd));
- print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC);
+ print_stack_frame (get_selected_frame (NULL), 1, SRC_AND_LOC, 1);
}
/* bfdcore_write -- write bytes into a core file section. */
corefile format, with an extra section for our data. */
static void
-cmd_record_restore (char *args, int from_tty)
+cmd_record_full_restore (char *args, int from_tty)
{
core_file_command (args, from_tty);
- record_open (args, from_tty);
+ record_full_open (args, from_tty);
}
static void
-record_save_cleanups (void *data)
+record_full_save_cleanups (void *data)
{
bfd *obfd = data;
char *pathname = xstrdup (bfd_get_filename (obfd));
format, with an extra section for our data. */
static void
-record_save (char *recfilename)
+record_full_save (struct target_ops *self, const char *recfilename)
{
- struct record_entry *cur_record_list;
+ struct record_full_entry *cur_record_full_list;
uint32_t magic;
struct regcache *regcache;
struct gdbarch *gdbarch;
/* Open the output file. */
obfd = create_gcore_bfd (recfilename);
- old_cleanups = make_cleanup (record_save_cleanups, obfd);
+ old_cleanups = make_cleanup (record_full_save_cleanups, obfd);
- /* Save the current record entry to "cur_record_list". */
- cur_record_list = record_list;
+ /* Save the current record entry to "cur_record_full_list". */
+ cur_record_full_list = record_full_list;
/* Get the values of regcache and gdbarch. */
regcache = get_current_regcache ();
gdbarch = get_regcache_arch (regcache);
/* Disable the GDB operation record. */
- set_cleanups = record_gdb_operation_disable_set ();
+ set_cleanups = record_full_gdb_operation_disable_set ();
/* Reverse execute to the begin of record list. */
while (1)
{
/* Check for beginning and end of log. */
- if (record_list == &record_first)
+ if (record_full_list == &record_full_first)
break;
- record_exec_insn (regcache, gdbarch, record_list);
+ record_full_exec_insn (regcache, gdbarch, record_full_list);
- if (record_list->prev)
- record_list = record_list->prev;
+ if (record_full_list->prev)
+ record_full_list = record_full_list->prev;
}
/* Compute the size needed for the extra bfd section. */
save_size = 4; /* magic cookie */
- for (record_list = record_first.next; record_list;
- record_list = record_list->next)
- switch (record_list->type)
+ for (record_full_list = record_full_first.next; record_full_list;
+ record_full_list = record_full_list->next)
+ switch (record_full_list->type)
{
- case record_end:
+ case record_full_end:
save_size += 1 + 4 + 4;
break;
- case record_reg:
- save_size += 1 + 4 + record_list->u.reg.len;
+ case record_full_reg:
+ save_size += 1 + 4 + record_full_list->u.reg.len;
break;
- case record_mem:
- save_size += 1 + 4 + 8 + record_list->u.mem.len;
+ case record_full_mem:
+ save_size += 1 + 4 + 8 + record_full_list->u.mem.len;
break;
}
/* Write out the record log. */
/* Write the magic code. */
- magic = RECORD_FILE_MAGIC;
+ magic = RECORD_FULL_FILE_MAGIC;
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
" Writing 4-byte magic cookie "
- "RECORD_FILE_MAGIC (0x%s)\n",
+ "RECORD_FULL_FILE_MAGIC (0x%s)\n",
phex_nz (magic, 4));
bfdcore_write (obfd, osec, &magic, sizeof (magic), &bfd_offset);
/* Save the entries to recfd and forward execute to the end of
record list. */
- record_list = &record_first;
+ record_full_list = &record_full_first;
while (1)
{
/* Save entry. */
- if (record_list != &record_first)
+ if (record_full_list != &record_full_first)
{
uint8_t type;
uint32_t regnum, len, signal, count;
uint64_t addr;
- type = record_list->type;
+ type = record_full_list->type;
bfdcore_write (obfd, osec, &type, sizeof (type), &bfd_offset);
- switch (record_list->type)
+ switch (record_full_list->type)
{
- case record_reg: /* reg */
+ case record_full_reg: /* reg */
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
" Writing register %d (1 "
"plus %lu plus %d bytes)\n",
- record_list->u.reg.num,
+ record_full_list->u.reg.num,
(unsigned long) sizeof (regnum),
- record_list->u.reg.len);
+ record_full_list->u.reg.len);
/* Write regnum. */
- regnum = netorder32 (record_list->u.reg.num);
+ regnum = netorder32 (record_full_list->u.reg.num);
bfdcore_write (obfd, osec, ®num,
sizeof (regnum), &bfd_offset);
/* Write regval. */
- bfdcore_write (obfd, osec, record_get_loc (record_list),
- record_list->u.reg.len, &bfd_offset);
+ bfdcore_write (obfd, osec,
+ record_full_get_loc (record_full_list),
+ record_full_list->u.reg.len, &bfd_offset);
break;
- case record_mem: /* mem */
+ case record_full_mem: /* mem */
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
" Writing memory %s (1 plus "
"%lu plus %lu plus %d bytes)\n",
paddress (gdbarch,
- record_list->u.mem.addr),
+ record_full_list->u.mem.addr),
(unsigned long) sizeof (addr),
(unsigned long) sizeof (len),
- record_list->u.mem.len);
+ record_full_list->u.mem.len);
/* Write memlen. */
- len = netorder32 (record_list->u.mem.len);
+ len = netorder32 (record_full_list->u.mem.len);
bfdcore_write (obfd, osec, &len, sizeof (len), &bfd_offset);
/* Write memaddr. */
- addr = netorder64 (record_list->u.mem.addr);
+ addr = netorder64 (record_full_list->u.mem.addr);
bfdcore_write (obfd, osec, &addr,
sizeof (addr), &bfd_offset);
/* Write memval. */
- bfdcore_write (obfd, osec, record_get_loc (record_list),
- record_list->u.mem.len, &bfd_offset);
+ bfdcore_write (obfd, osec,
+ record_full_get_loc (record_full_list),
+ record_full_list->u.mem.len, &bfd_offset);
break;
- case record_end:
+ case record_full_end:
if (record_debug)
fprintf_unfiltered (gdb_stdlog,
- " Writing record_end (1 + "
+ " Writing record_full_end (1 + "
"%lu + %lu bytes)\n",
(unsigned long) sizeof (signal),
(unsigned long) sizeof (count));
/* Write signal value. */
- signal = netorder32 (record_list->u.end.sigval);
+ signal = netorder32 (record_full_list->u.end.sigval);
bfdcore_write (obfd, osec, &signal,
sizeof (signal), &bfd_offset);
/* Write insn count. */
- count = netorder32 (record_list->u.end.insn_num);
+ count = netorder32 (record_full_list->u.end.insn_num);
bfdcore_write (obfd, osec, &count,
sizeof (count), &bfd_offset);
break;
}
/* Execute entry. */
- record_exec_insn (regcache, gdbarch, record_list);
+ record_full_exec_insn (regcache, gdbarch, record_full_list);
- if (record_list->next)
- record_list = record_list->next;
+ if (record_full_list->next)
+ record_full_list = record_full_list->next;
else
break;
}
- /* Reverse execute to cur_record_list. */
+ /* Reverse execute to cur_record_full_list. */
while (1)
{
/* Check for beginning and end of log. */
- if (record_list == cur_record_list)
+ if (record_full_list == cur_record_full_list)
break;
- record_exec_insn (regcache, gdbarch, record_list);
+ record_full_exec_insn (regcache, gdbarch, record_full_list);
- if (record_list->prev)
- record_list = record_list->prev;
+ if (record_full_list->prev)
+ record_full_list = record_full_list->prev;
}
do_cleanups (set_cleanups);
recfilename);
}
-/* record_goto_insn -- rewind the record log (forward or backward,
+/* record_full_goto_insn -- rewind the record log (forward or backward,
depending on DIR) to the given entry, changing the program state
correspondingly. */
static void
-record_goto_insn (struct record_entry *entry,
- enum exec_direction_kind dir)
+record_full_goto_insn (struct record_full_entry *entry,
+ enum exec_direction_kind dir)
{
- struct cleanup *set_cleanups = record_gdb_operation_disable_set ();
+ struct cleanup *set_cleanups = record_full_gdb_operation_disable_set ();
struct regcache *regcache = get_current_regcache ();
struct gdbarch *gdbarch = get_regcache_arch (regcache);
and we will not hit the end of the recording. */
if (dir == EXEC_FORWARD)
- record_list = record_list->next;
+ record_full_list = record_full_list->next;
do
{
- record_exec_insn (regcache, gdbarch, record_list);
+ record_full_exec_insn (regcache, gdbarch, record_full_list);
if (dir == EXEC_REVERSE)
- record_list = record_list->prev;
+ record_full_list = record_full_list->prev;
else
- record_list = record_list->next;
- } while (record_list != entry);
+ record_full_list = record_full_list->next;
+ } while (record_full_list != entry);
do_cleanups (set_cleanups);
}
/* Alias for "target record-full". */
static void
-cmd_record_start (char *args, int from_tty)
+cmd_record_full_start (char *args, int from_tty)
{
execute_command ("target record-full", from_tty);
}
static void
-set_record_insn_max_num (char *args, int from_tty, struct cmd_list_element *c)
+set_record_full_insn_max_num (char *args, int from_tty,
+ struct cmd_list_element *c)
{
- if (record_insn_num > record_insn_max_num && record_insn_max_num)
+ if (record_full_insn_num > record_full_insn_max_num)
{
- /* Count down record_insn_num while releasing records from list. */
- while (record_insn_num > record_insn_max_num)
+ /* Count down record_full_insn_num while releasing records from list. */
+ while (record_full_insn_num > record_full_insn_max_num)
{
- record_list_release_first ();
- record_insn_num--;
+ record_full_list_release_first ();
+ record_full_insn_num--;
}
}
}
{
struct cmd_list_element *c;
- /* Init record_first. */
- record_first.prev = NULL;
- record_first.next = NULL;
- record_first.type = record_end;
+ /* Init record_full_first. */
+ record_full_first.prev = NULL;
+ record_full_first.next = NULL;
+ record_full_first.type = record_full_end;
- init_record_ops ();
- add_target (&record_ops);
- add_deprecated_target_alias (&record_ops, "record");
- init_record_core_ops ();
- add_target (&record_core_ops);
+ init_record_full_ops ();
+ add_target (&record_full_ops);
+ add_deprecated_target_alias (&record_full_ops, "record");
+ init_record_full_core_ops ();
+ add_target (&record_full_core_ops);
- add_prefix_cmd ("full", class_obscure, cmd_record_start,
+ add_prefix_cmd ("full", class_obscure, cmd_record_full_start,
_("Start full execution recording."), &record_full_cmdlist,
"record full ", 0, &record_cmdlist);
- c = add_cmd ("restore", class_obscure, cmd_record_restore,
+ c = add_cmd ("restore", class_obscure, cmd_record_full_restore,
_("Restore the execution log from a file.\n\
Argument is filename. File must be created with 'record save'."),
&record_full_cmdlist);
/* Record instructions number limit command. */
add_setshow_boolean_cmd ("stop-at-limit", no_class,
- &record_stop_at_limit, _("\
+ &record_full_stop_at_limit, _("\
Set whether record/replay stops when record/replay buffer becomes full."), _("\
Show whether record/replay stops when record/replay buffer becomes full."),
_("Default is ON.\n\
&show_record_cmdlist);
deprecate_cmd (c, "show record full stop-at-limit");
- add_setshow_uinteger_cmd ("insn-number-max", no_class, &record_insn_max_num,
+ add_setshow_uinteger_cmd ("insn-number-max", no_class,
+ &record_full_insn_max_num,
_("Set record/replay buffer limit."),
_("Show record/replay buffer limit."), _("\
Set the maximum number of instructions to be stored in the\n\
-record/replay buffer. Zero means unlimited. Default is 200000."),
- set_record_insn_max_num,
+record/replay buffer. A value of either \"unlimited\" or zero means no\n\
+limit. Default is 200000."),
+ set_record_full_insn_max_num,
NULL, &set_record_full_cmdlist,
&show_record_full_cmdlist);
&show_record_cmdlist);
deprecate_cmd (c, "show record full insn-number-max");
- add_setshow_boolean_cmd ("memory-query", no_class, &record_memory_query, _("\
+ add_setshow_boolean_cmd ("memory-query", no_class,
+ &record_full_memory_query, _("\
Set whether query if PREC cannot record memory change of next instruction."),
_("\
Show whether query if PREC cannot record memory change of next instruction."),
Default is OFF.\n\
When ON, query if PREC cannot record memory change of next instruction."),
NULL, NULL,
- &set_record_full_cmdlist, &show_record_full_cmdlist);
+ &set_record_full_cmdlist,
+ &show_record_full_cmdlist);
c = add_alias_cmd ("memory-query", "full memory-query", no_class, 1,
&set_record_cmdlist);