/* Memory breakpoint operations for the remote server for GDB.
- Copyright (C) 2002-2014 Free Software Foundation, Inc.
+ Copyright (C) 2002-2016 Free Software Foundation, Inc.
Contributed by MontaVista Software.
#include "server.h"
#include "regcache.h"
#include "ax.h"
-#include <stdint.h>
-
-const unsigned char *breakpoint_data;
-int breakpoint_len;
#define MAX_BREAKPOINT_LEN 8
+/* Helper macro used in loops that append multiple items to a singly-linked
+ list instead of inserting items at the head of the list, as, say, in the
+ breakpoint lists. LISTPP is a pointer to the pointer that is the head of
+ the new list. ITEMP is a pointer to the item to be added to the list.
+ TAILP must be defined to be the same type as ITEMP, and initialized to
+ NULL. */
+
+#define APPEND_TO_LIST(listpp, itemp, tailp) \
+ do \
+ { \
+ if ((tailp) == NULL) \
+ *(listpp) = (itemp); \
+ else \
+ (tailp)->next = (itemp); \
+ (tailp) = (itemp); \
+ } \
+ while (0)
+
/* GDB will never try to install multiple breakpoints at the same
address. However, we can see GDB requesting to insert a breakpoint
at an address is had already inserted one previously in a few
breakpoint for a given PC. */
CORE_ADDR pc;
- /* The breakpoint's size. */
- int size;
+ /* The breakpoint's kind. This is target specific. Most
+ architectures only use one specific instruction for breakpoints, while
+ others may use more than one. E.g., on ARM, we need to use different
+ breakpoint instructions on Thumb, Thumb-2, and ARM code. Likewise for
+ hardware breakpoints -- some architectures (including ARM) need to
+ setup debug registers differently depending on mode. */
+ int kind;
/* The breakpoint's shadow memory. */
unsigned char old_data[MAX_BREAKPOINT_LEN];
int (*handler) (CORE_ADDR);
};
+/* Return the breakpoint size from its kind. */
+
+static int
+bp_size (struct raw_breakpoint *bp)
+{
+ int size = 0;
+
+ the_target->sw_breakpoint_from_kind (bp->kind, &size);
+ return size;
+}
+
+/* Return the breakpoint opcode from its kind. */
+
+static const gdb_byte *
+bp_opcode (struct raw_breakpoint *bp)
+{
+ int size = 0;
+
+ return the_target->sw_breakpoint_from_kind (bp->kind, &size);
+}
+
/* See mem-break.h. */
enum target_hw_bp_type
case raw_bkpt_type_access_wp:
return hw_access;
default:
- fatal ("bad raw breakpoing type %d", (int) raw_type);
+ internal_error (__FILE__, __LINE__,
+ "bad raw breakpoint type %d", (int) raw_type);
}
}
{
gdb_assert ('0' <= z_type && z_type <= '4');
- return gdb_breakpoint_Z0 + (z_type - '0');
+ return (enum bkpt_type) (gdb_breakpoint_Z0 + (z_type - '0'));
}
/* See mem-break.h. */
}
int
-any_persistent_commands ()
+any_persistent_commands (void)
{
struct process_info *proc = current_process ();
struct breakpoint *bp;
NULL if not found. */
static struct raw_breakpoint *
-find_raw_breakpoint_at (CORE_ADDR addr, enum raw_bkpt_type type, int size)
+find_raw_breakpoint_at (CORE_ADDR addr, enum raw_bkpt_type type, int kind)
{
struct process_info *proc = current_process ();
struct raw_breakpoint *bp;
for (bp = proc->raw_breakpoints; bp != NULL; bp = bp->next)
- if (bp->pc == addr && bp->raw_type == type && bp->size == size)
+ if (bp->pc == addr && bp->raw_type == type && bp->kind == kind)
return bp;
return NULL;
unsigned char buf[MAX_BREAKPOINT_LEN];
int err;
- if (breakpoint_data == NULL)
- return 1;
-
- /* If the architecture treats the size field of Z packets as a
- 'kind' field, then we'll need to be able to know which is the
- breakpoint instruction too. */
- if (bp->size != breakpoint_len)
- {
- if (debug_threads)
- debug_printf ("Don't know how to insert breakpoints of size %d.\n",
- bp->size);
- return -1;
- }
-
/* Note that there can be fast tracepoint jumps installed in the
same memory range, so to get at the original memory, we need to
use read_inferior_memory, which masks those out. */
- err = read_inferior_memory (bp->pc, buf, breakpoint_len);
+ err = read_inferior_memory (bp->pc, buf, bp_size (bp));
if (err != 0)
{
if (debug_threads)
}
else
{
- memcpy (bp->old_data, buf, breakpoint_len);
+ memcpy (bp->old_data, buf, bp_size (bp));
- err = (*the_target->write_memory) (bp->pc, breakpoint_data,
- breakpoint_len);
+ err = (*the_target->write_memory) (bp->pc, bp_opcode (bp),
+ bp_size (bp));
if (err != 0)
{
if (debug_threads)
note that we need to pass the current shadow contents, because
write_inferior_memory updates any shadow memory with what we pass
here, and we want that to be a nop. */
- memcpy (buf, bp->old_data, breakpoint_len);
- err = write_inferior_memory (bp->pc, buf, breakpoint_len);
+ memcpy (buf, bp->old_data, bp_size (bp));
+ err = write_inferior_memory (bp->pc, buf, bp_size (bp));
if (err != 0)
{
if (debug_threads)
return err != 0 ? -1 : 0;
}
-/* Set a RAW breakpoint of type TYPE and size SIZE at WHERE. On
+/* Set a RAW breakpoint of type TYPE and kind KIND at WHERE. On
success, a pointer to the new breakpoint is returned. On failure,
returns NULL and writes the error code to *ERR. */
static struct raw_breakpoint *
-set_raw_breakpoint_at (enum raw_bkpt_type type, CORE_ADDR where, int size,
+set_raw_breakpoint_at (enum raw_bkpt_type type, CORE_ADDR where, int kind,
int *err)
{
struct process_info *proc = current_process ();
struct raw_breakpoint *bp;
+ struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
if (type == raw_bkpt_type_sw || type == raw_bkpt_type_hw)
{
bp = find_enabled_raw_code_breakpoint_at (where, type);
- if (bp != NULL && bp->size != size)
+ if (bp != NULL && bp->kind != kind)
{
- /* A different size than previously seen. The previous
+ /* A different kind than previously seen. The previous
breakpoint must be gone then. */
if (debug_threads)
- debug_printf ("Inconsistent breakpoint size? Was %d, now %d.\n",
- bp->size, size);
+ debug_printf ("Inconsistent breakpoint kind? Was %d, now %d.\n",
+ bp->kind, kind);
bp->inserted = -1;
bp = NULL;
}
}
else
- bp = find_raw_breakpoint_at (where, type, size);
+ bp = find_raw_breakpoint_at (where, type, kind);
- if (bp != NULL)
+ if (bp == NULL)
{
- bp->refcount++;
- return bp;
+ bp = XCNEW (struct raw_breakpoint);
+ bp->pc = where;
+ bp->kind = kind;
+ bp->raw_type = type;
+ make_cleanup (xfree, bp);
}
- bp = xcalloc (1, sizeof (*bp));
- bp->pc = where;
- bp->size = size;
- bp->refcount = 1;
- bp->raw_type = type;
-
- *err = the_target->insert_point (bp->raw_type, bp->pc, bp->size, bp);
- if (*err != 0)
+ if (!bp->inserted)
{
- if (debug_threads)
- debug_printf ("Failed to insert breakpoint at 0x%s (%d).\n",
- paddress (where), *err);
- free (bp);
- return NULL;
+ *err = the_target->insert_point (bp->raw_type, bp->pc, bp->kind, bp);
+ if (*err != 0)
+ {
+ if (debug_threads)
+ debug_printf ("Failed to insert breakpoint at 0x%s (%d).\n",
+ paddress (where), *err);
+
+ do_cleanups (old_chain);
+ return NULL;
+ }
+
+ bp->inserted = 1;
}
- bp->inserted = 1;
- /* Link the breakpoint in. */
- bp->next = proc->raw_breakpoints;
- proc->raw_breakpoints = bp;
+ discard_cleanups (old_chain);
+
+ /* Link the breakpoint in, if this is the first reference. */
+ if (++bp->refcount == 1)
+ {
+ bp->next = proc->raw_breakpoints;
+ proc->raw_breakpoints = bp;
+ }
return bp;
}
pass the current shadow contents, because
write_inferior_memory updates any shadow memory with
what we pass here, and we want that to be a nop. */
- buf = alloca (bp->length);
+ buf = (unsigned char *) alloca (bp->length);
memcpy (buf, fast_tracepoint_jump_shadow (bp), bp->length);
ret = write_inferior_memory (bp->pc, buf, bp->length);
if (ret != 0)
/* We don't, so create a new object. Double the length, because the
flexible array member holds both the jump insn, and the
shadow. */
- jp = xcalloc (1, sizeof (*jp) + (length * 2));
+ jp = (struct fast_tracepoint_jump *) xcalloc (1, sizeof (*jp) + (length * 2));
jp->pc = where;
jp->length = length;
memcpy (fast_tracepoint_jump_insn (jp), insn, length);
jp->refcount = 1;
- buf = alloca (length);
+ buf = (unsigned char *) alloca (length);
/* Note that there can be trap breakpoints inserted in the same
address range. To access the original memory contents, we use
pass the current shadow contents, because
write_inferior_memory updates any shadow memory with what we
pass here, and we want that to be a nop. */
- buf = alloca (jp->length);
+ buf = (unsigned char *) alloca (jp->length);
memcpy (buf, fast_tracepoint_jump_shadow (jp), jp->length);
err = write_inferior_memory (jp->pc, buf, jp->length);
if (err != 0)
to pass the current shadow contents, because
write_inferior_memory updates any shadow memory with what we pass
here, and we want that to be a nop. */
- buf = alloca (jp->length);
+ buf = (unsigned char *) alloca (jp->length);
memcpy (buf, fast_tracepoint_jump_shadow (jp), jp->length);
err = write_inferior_memory (where, buf, jp->length);
if (err != 0)
}
/* Set a high-level breakpoint of type TYPE, with low level type
- RAW_TYPE and size SIZE, at WHERE. On success, a pointer to the new
+ RAW_TYPE and kind KIND, at WHERE. On success, a pointer to the new
breakpoint is returned. On failure, returns NULL and writes the
error code to *ERR. HANDLER is called when the breakpoint is hit.
HANDLER should return 1 if the breakpoint should be deleted, 0
static struct breakpoint *
set_breakpoint (enum bkpt_type type, enum raw_bkpt_type raw_type,
- CORE_ADDR where, int size,
+ CORE_ADDR where, int kind,
int (*handler) (CORE_ADDR), int *err)
{
struct process_info *proc = current_process ();
struct breakpoint *bp;
struct raw_breakpoint *raw;
- raw = set_raw_breakpoint_at (raw_type, where, size, err);
+ raw = set_raw_breakpoint_at (raw_type, where, kind, err);
if (raw == NULL)
{
return NULL;
}
- bp = xcalloc (1, sizeof (struct breakpoint));
+ bp = XCNEW (struct breakpoint);
bp->type = type;
bp->raw = raw;
set_breakpoint_at (CORE_ADDR where, int (*handler) (CORE_ADDR))
{
int err_ignored;
+ CORE_ADDR placed_address = where;
+ int breakpoint_kind = target_breakpoint_kind_from_pc (&placed_address);
return set_breakpoint (other_breakpoint, raw_bkpt_type_sw,
- where, breakpoint_len, handler,
+ placed_address, breakpoint_kind, handler,
&err_ignored);
}
*bp_link = bp->next;
- ret = the_target->remove_point (bp->raw_type, bp->pc, bp->size,
+ ret = the_target->remove_point (bp->raw_type, bp->pc, bp->kind,
bp);
if (ret != 0)
{
return delete_breakpoint_1 (proc, todel);
}
-/* Locate a GDB breakpoint of type Z_TYPE and size SIZE placed at
- address ADDR and return a pointer to its structure. If SIZE is -1,
- the breakpoints' sizes are ignored. */
+/* Locate a GDB breakpoint of type Z_TYPE and kind KIND placed at
+ address ADDR and return a pointer to its structure. If KIND is -1,
+ the breakpoint's kind is ignored. */
static struct breakpoint *
-find_gdb_breakpoint (char z_type, CORE_ADDR addr, int size)
+find_gdb_breakpoint (char z_type, CORE_ADDR addr, int kind)
{
struct process_info *proc = current_process ();
struct breakpoint *bp;
for (bp = proc->breakpoints; bp != NULL; bp = bp->next)
if (bp->type == type && bp->raw->pc == addr
- && (size == -1 || bp->raw->size == size))
+ && (kind == -1 || bp->raw->kind == kind))
return bp;
return NULL;
&& the_target->supports_z_point_type (z_type));
}
-/* Create a new GDB breakpoint of type Z_TYPE at ADDR with size SIZE.
+/* Create a new GDB breakpoint of type Z_TYPE at ADDR with kind KIND.
Returns a pointer to the newly created breakpoint on success. On
failure returns NULL and sets *ERR to either -1 for error, or 1 if
Z_TYPE breakpoints are not supported on this target. */
static struct breakpoint *
-set_gdb_breakpoint_1 (char z_type, CORE_ADDR addr, int size, int *err)
+set_gdb_breakpoint_1 (char z_type, CORE_ADDR addr, int kind, int *err)
{
struct breakpoint *bp;
enum bkpt_type type;
if (bp != NULL)
{
- if (bp->raw->size != size)
+ if (bp->raw->kind != kind)
{
- /* A different size than previously seen. The previous
+ /* A different kind than previously seen. The previous
breakpoint must be gone then. */
bp->raw->inserted = -1;
delete_breakpoint (bp);
}
else
{
- /* Data breakpoints for the same address but different size are
+ /* Data breakpoints for the same address but different kind are
expected. GDB doesn't merge these. The backend gets to do
that if it wants/can. */
- bp = find_gdb_breakpoint (z_type, addr, size);
+ bp = find_gdb_breakpoint (z_type, addr, kind);
}
if (bp != NULL)
raw_type = Z_packet_to_raw_bkpt_type (z_type);
type = Z_packet_to_bkpt_type (z_type);
- return set_breakpoint (type, raw_type, addr, size, NULL, err);
+ return set_breakpoint (type, raw_type, addr, kind, NULL, err);
}
static int
*err = 1;
return 0;
}
- else if (current_inferior == NULL)
- {
- *err = -1;
- return 0;
- }
- else
- return 1;
+
+ return 1;
}
/* See mem-break.h. This is a wrapper for set_gdb_breakpoint_1 that
knows to prepare to access memory for Z0 breakpoints. */
struct breakpoint *
-set_gdb_breakpoint (char z_type, CORE_ADDR addr, int size, int *err)
+set_gdb_breakpoint (char z_type, CORE_ADDR addr, int kind, int *err)
{
struct breakpoint *bp;
access memory. */
if (z_type == Z_PACKET_SW_BP)
{
- *err = prepare_to_access_memory ();
- if (*err != 0)
- return NULL;
+ if (prepare_to_access_memory () != 0)
+ {
+ *err = -1;
+ return NULL;
+ }
}
- bp = set_gdb_breakpoint_1 (z_type, addr, size, err);
+ bp = set_gdb_breakpoint_1 (z_type, addr, kind, err);
if (z_type == Z_PACKET_SW_BP)
done_accessing_memory ();
return bp;
}
-/* Delete a GDB breakpoint of type Z_TYPE and size SIZE previously
+/* Delete a GDB breakpoint of type Z_TYPE and kind KIND previously
inserted at ADDR with set_gdb_breakpoint_at. Returns 0 on success,
-1 on error, and 1 if Z_TYPE breakpoints are not supported on this
target. */
static int
-delete_gdb_breakpoint_1 (char z_type, CORE_ADDR addr, int size)
+delete_gdb_breakpoint_1 (char z_type, CORE_ADDR addr, int kind)
{
struct breakpoint *bp;
int err;
- bp = find_gdb_breakpoint (z_type, addr, size);
+ bp = find_gdb_breakpoint (z_type, addr, kind);
if (bp == NULL)
return -1;
knows to prepare to access memory for Z0 breakpoints. */
int
-delete_gdb_breakpoint (char z_type, CORE_ADDR addr, int size)
+delete_gdb_breakpoint (char z_type, CORE_ADDR addr, int kind)
{
int ret;
return -1;
}
- ret = delete_gdb_breakpoint_1 (z_type, addr, size);
+ ret = delete_gdb_breakpoint_1 (z_type, addr, kind);
if (z_type == Z_PACKET_SW_BP)
done_accessing_memory ();
struct point_cond_list *new_cond;
/* Create new condition. */
- new_cond = xcalloc (1, sizeof (*new_cond));
+ new_cond = XCNEW (struct point_cond_list);
new_cond->cond = condition;
/* Add condition to the list. */
if (bp->cond_list == NULL)
return 1;
- ctx.regcache = get_thread_regcache (current_inferior, 1);
+ ctx.regcache = get_thread_regcache (current_thread, 1);
ctx.tframe = NULL;
ctx.tpoint = NULL;
/* Add commands COMMANDS to GDBserver's breakpoint BP. */
-void
+static void
add_commands_to_breakpoint (struct breakpoint *bp,
struct agent_expr *commands, int persist)
{
struct point_command_list *new_cmd;
/* Create new command. */
- new_cmd = xcalloc (1, sizeof (*new_cmd));
+ new_cmd = XCNEW (struct point_command_list);
new_cmd->cmd = commands;
new_cmd->persistence = persist;
if (bp == NULL)
return 1;
- ctx.regcache = get_thread_regcache (current_inferior, 1);
+ ctx.regcache = get_thread_regcache (current_thread, 1);
ctx.tframe = NULL;
ctx.tpoint = NULL;
bp->inserted = 0;
- err = the_target->remove_point (bp->raw_type, bp->pc, bp->size, bp);
+ err = the_target->remove_point (bp->raw_type, bp->pc, bp->kind, bp);
if (err != 0)
{
bp->inserted = 1;
uninsert_raw_breakpoint (bp);
}
+void
+uninsert_reinsert_breakpoints (void)
+{
+ struct process_info *proc = current_process ();
+ struct breakpoint *bp;
+
+ for (bp = proc->breakpoints; bp != NULL; bp = bp->next)
+ {
+ if (bp->type == reinsert_breakpoint)
+ {
+ gdb_assert (bp->raw->inserted > 0);
+
+ /* Only uninsert the raw breakpoint if it only belongs to a
+ reinsert breakpoint. */
+ if (bp->raw->refcount == 1)
+ uninsert_raw_breakpoint (bp->raw);
+ }
+ }
+}
+
static void
reinsert_raw_breakpoint (struct raw_breakpoint *bp)
{
int err;
if (bp->inserted)
- error ("Breakpoint already inserted at reinsert time.");
+ return;
- err = the_target->insert_point (bp->raw_type, bp->pc, bp->size, bp);
+ err = the_target->insert_point (bp->raw_type, bp->pc, bp->kind, bp);
if (err == 0)
bp->inserted = 1;
else if (debug_threads)
}
}
+int
+has_reinsert_breakpoints (struct process_info *proc)
+{
+ struct breakpoint *bp, **bp_link;
+
+ bp = proc->breakpoints;
+ bp_link = &proc->breakpoints;
+
+ while (bp)
+ {
+ if (bp->type == reinsert_breakpoint)
+ return 1;
+ else
+ {
+ bp_link = &bp->next;
+ bp = *bp_link;
+ }
+ }
+
+ return 0;
+}
+
void
reinsert_all_breakpoints (void)
{
reinsert_raw_breakpoint (bp);
}
+void
+reinsert_reinsert_breakpoints (void)
+{
+ struct process_info *proc = current_process ();
+ struct breakpoint *bp;
+
+ for (bp = proc->breakpoints; bp != NULL; bp = bp->next)
+ {
+ if (bp->type == reinsert_breakpoint)
+ {
+ gdb_assert (bp->raw->inserted > 0);
+
+ if (bp->raw->refcount == 1)
+ reinsert_raw_breakpoint (bp->raw);
+ }
+ }
+}
+
void
check_breakpoints (CORE_ADDR stop_pc)
{
}
}
-void
-set_breakpoint_data (const unsigned char *bp_data, int bp_len)
-{
- breakpoint_data = bp_data;
- breakpoint_len = bp_len;
-}
-
int
breakpoint_here (CORE_ADDR addr)
{
return 0;
}
+/* See mem-break.h. */
+
+int
+software_breakpoint_inserted_here (CORE_ADDR addr)
+{
+ struct process_info *proc = current_process ();
+ struct raw_breakpoint *bp;
+
+ for (bp = proc->raw_breakpoints; bp != NULL; bp = bp->next)
+ if (bp->raw_type == raw_bkpt_type_sw
+ && bp->pc == addr
+ && bp->inserted)
+ return 1;
+
+ return 0;
+}
+
+/* See mem-break.h. */
+
+int
+hardware_breakpoint_inserted_here (CORE_ADDR addr)
+{
+ struct process_info *proc = current_process ();
+ struct raw_breakpoint *bp;
+
+ for (bp = proc->raw_breakpoints; bp != NULL; bp = bp->next)
+ if (bp->raw_type == raw_bkpt_type_hw
+ && bp->pc == addr
+ && bp->inserted)
+ return 1;
+
+ return 0;
+}
+
+/* See mem-break.h. */
+
+int
+reinsert_breakpoint_inserted_here (CORE_ADDR addr)
+{
+ struct process_info *proc = current_process ();
+ struct breakpoint *bp;
+
+ for (bp = proc->breakpoints; bp != NULL; bp = bp->next)
+ if (bp->type == reinsert_breakpoint
+ && bp->raw->pc == addr
+ && bp->raw->inserted)
+ return 1;
+
+ return 0;
+}
+
static int
validate_inserted_breakpoint (struct raw_breakpoint *bp)
{
gdb_assert (bp->inserted);
gdb_assert (bp->raw_type == raw_bkpt_type_sw);
- buf = alloca (breakpoint_len);
- err = (*the_target->read_memory) (bp->pc, buf, breakpoint_len);
- if (err || memcmp (buf, breakpoint_data, breakpoint_len) != 0)
+ buf = (unsigned char *) alloca (bp_size (bp));
+ err = (*the_target->read_memory) (bp->pc, buf, bp_size (bp));
+ if (err || memcmp (buf, bp_opcode (bp), bp_size (bp)) != 0)
{
/* Tag it as gone. */
bp->inserted = -1;
{
next = bp->next;
if (bp->raw->inserted < 0)
- delete_breakpoint_1 (proc, bp);
+ {
+ /* If reinsert_breakpoints become disabled, that means the
+ manipulations (insertion and removal) of them are wrong. */
+ gdb_assert (bp->type != reinsert_breakpoint);
+ delete_breakpoint_1 (proc, bp);
+ }
}
}
for (; bp != NULL; bp = bp->next)
{
- CORE_ADDR bp_end = bp->pc + breakpoint_len;
+ CORE_ADDR bp_end = bp->pc + bp_size (bp);
CORE_ADDR start, end;
int copy_offset, copy_len, buf_offset;
for (; bp != NULL; bp = bp->next)
{
- CORE_ADDR bp_end = bp->pc + breakpoint_len;
+ CORE_ADDR bp_end = bp->pc + bp_size (bp);
CORE_ADDR start, end;
int copy_offset, copy_len, buf_offset;
if (bp->inserted > 0)
{
if (validate_inserted_breakpoint (bp))
- memcpy (buf + buf_offset, breakpoint_data + copy_offset, copy_len);
+ memcpy (buf + buf_offset, bp_opcode (bp) + copy_offset, copy_len);
else
disabled_one = 1;
}
while (proc->breakpoints)
delete_breakpoint_1 (proc, proc->breakpoints);
}
+
+/* Clone an agent expression. */
+
+static struct agent_expr *
+clone_agent_expr (const struct agent_expr *src_ax)
+{
+ struct agent_expr *ax;
+
+ ax = XCNEW (struct agent_expr);
+ ax->length = src_ax->length;
+ ax->bytes = (unsigned char *) xcalloc (ax->length, 1);
+ memcpy (ax->bytes, src_ax->bytes, ax->length);
+ return ax;
+}
+
+/* Deep-copy the contents of one breakpoint to another. */
+
+static struct breakpoint *
+clone_one_breakpoint (const struct breakpoint *src)
+{
+ struct breakpoint *dest;
+ struct raw_breakpoint *dest_raw;
+ struct point_cond_list *current_cond;
+ struct point_cond_list *new_cond;
+ struct point_cond_list *cond_tail = NULL;
+ struct point_command_list *current_cmd;
+ struct point_command_list *new_cmd;
+ struct point_command_list *cmd_tail = NULL;
+
+ /* Clone the raw breakpoint. */
+ dest_raw = XCNEW (struct raw_breakpoint);
+ dest_raw->raw_type = src->raw->raw_type;
+ dest_raw->refcount = src->raw->refcount;
+ dest_raw->pc = src->raw->pc;
+ dest_raw->kind = src->raw->kind;
+ memcpy (dest_raw->old_data, src->raw->old_data, MAX_BREAKPOINT_LEN);
+ dest_raw->inserted = src->raw->inserted;
+
+ /* Clone the high-level breakpoint. */
+ dest = XCNEW (struct breakpoint);
+ dest->type = src->type;
+ dest->raw = dest_raw;
+ dest->handler = src->handler;
+
+ /* Clone the condition list. */
+ for (current_cond = src->cond_list; current_cond != NULL;
+ current_cond = current_cond->next)
+ {
+ new_cond = XCNEW (struct point_cond_list);
+ new_cond->cond = clone_agent_expr (current_cond->cond);
+ APPEND_TO_LIST (&dest->cond_list, new_cond, cond_tail);
+ }
+
+ /* Clone the command list. */
+ for (current_cmd = src->command_list; current_cmd != NULL;
+ current_cmd = current_cmd->next)
+ {
+ new_cmd = XCNEW (struct point_command_list);
+ new_cmd->cmd = clone_agent_expr (current_cmd->cmd);
+ new_cmd->persistence = current_cmd->persistence;
+ APPEND_TO_LIST (&dest->command_list, new_cmd, cmd_tail);
+ }
+
+ return dest;
+}
+
+/* Create a new breakpoint list NEW_LIST that is a copy of the
+ list starting at SRC_LIST. Create the corresponding new
+ raw_breakpoint list NEW_RAW_LIST as well. */
+
+void
+clone_all_breakpoints (struct breakpoint **new_list,
+ struct raw_breakpoint **new_raw_list,
+ const struct breakpoint *src_list)
+{
+ const struct breakpoint *bp;
+ struct breakpoint *new_bkpt;
+ struct breakpoint *bkpt_tail = NULL;
+ struct raw_breakpoint *raw_bkpt_tail = NULL;
+
+ for (bp = src_list; bp != NULL; bp = bp->next)
+ {
+ new_bkpt = clone_one_breakpoint (bp);
+ APPEND_TO_LIST (new_list, new_bkpt, bkpt_tail);
+ APPEND_TO_LIST (new_raw_list, new_bkpt->raw, raw_bkpt_tail);
+ }
+}
projects / deliverable / binutils-gdb.git / blobdiff