/* Darwin support for GDB, the GNU debugger.
- Copyright (C) 2008-2012 Free Software Foundation, Inc.
+ Copyright (C) 2008-2013 Free Software Foundation, Inc.
Contributed by AdaCore.
kret = mach_port_move_member (gdb_task,
inf->private->notify_port, MACH_PORT_NULL);
- gdb_assert (kret == KERN_SUCCESS);
+ MACH_CHECK_ERROR (kret);
kret = mach_port_request_notification (gdb_task, inf->private->task,
MACH_NOTIFY_DEAD_NAME, 0,
/* Create a port to get exceptions. */
kret = mach_port_allocate (gdb_task, MACH_PORT_RIGHT_RECEIVE,
&darwin_ex_port);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to create exception port, mach_port_allocate "
+ "returned: %d"),
+ kret);
kret = mach_port_insert_right (gdb_task, darwin_ex_port, darwin_ex_port,
MACH_MSG_TYPE_MAKE_SEND);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to create exception port, mach_port_insert_right "
+ "returned: %d"),
+ kret);
/* Create a port set and put ex_port in it. */
kret = mach_port_allocate (gdb_task, MACH_PORT_RIGHT_PORT_SET,
&darwin_port_set);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to create port set, mach_port_allocate "
+ "returned: %d"),
+ kret);
kret = mach_port_move_member (gdb_task, darwin_ex_port, darwin_port_set);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to move exception port into new port set, "
+ "mach_port_move_member\n"
+ "returned: %d"),
+ kret);
}
/* Create a port to be notified when the child task terminates. */
kret = mach_port_allocate (gdb_task, MACH_PORT_RIGHT_RECEIVE,
&inf->private->notify_port);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to create notification port, mach_port_allocate "
+ "returned: %d"),
+ kret);
kret = mach_port_move_member (gdb_task,
inf->private->notify_port, darwin_port_set);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to move notification port into new port set, "
+ "mach_port_move_member\n"
+ "returned: %d"),
+ kret);
kret = mach_port_request_notification (gdb_task, inf->private->task,
MACH_NOTIFY_DEAD_NAME, 0,
inf->private->notify_port,
MACH_MSG_TYPE_MAKE_SEND_ONCE,
&prev_not);
- gdb_assert (kret == KERN_SUCCESS);
- gdb_assert (prev_not == MACH_PORT_NULL);
+ if (kret != KERN_SUCCESS)
+ error (_("Termination notification request failed, "
+ "mach_port_request_notification\n"
+ "returned: %d"),
+ kret);
+ if (prev_not != MACH_PORT_NULL)
+ {
+ /* This is unexpected, as there should not be any previously
+ registered notification request. But this is not a fatal
+ issue, so just emit a warning. */
+ warning (_("\
+A task termination request was registered before the debugger registered\n\
+its own. This is unexpected, but should otherwise not have any actual\n\
+impact on the debugging session."));
+ }
kret = darwin_save_exception_ports (inf->private);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to save exception ports, task_get_exception_ports"
+ "returned: %d"),
+ kret);
/* Set exception port. */
if (enable_mach_exceptions)
mask = EXC_MASK_SOFTWARE | EXC_MASK_BREAKPOINT;
kret = task_set_exception_ports (inf->private->task, mask, darwin_ex_port,
EXCEPTION_DEFAULT, THREAD_STATE_NONE);
- gdb_assert (kret == KERN_SUCCESS);
+ if (kret != KERN_SUCCESS)
+ error (_("Unable to set exception ports, task_set_exception_ports"
+ "returned: %d"),
+ kret);
push_target (darwin_ops);
}
/* Wait until gdb is ready. */
res = read (ptrace_fds[0], &c, 1);
- gdb_assert (res == 0);
+ if (res != 0)
+ error (_("unable to read from pipe, read returned: %d"), res);
close (ptrace_fds[0]);
/* Get rid of privileges. */
Return 0 on failure; number of bytes read / writen otherwise. */
static int
darwin_read_write_inferior (task_t task, CORE_ADDR addr,
- char *rdaddr, const char *wraddr, int length)
+ gdb_byte *rdaddr, const gdb_byte *wraddr,
+ int length)
{
kern_return_t kret;
mach_vm_address_t offset = addr & (mach_page_size - 1);
mach_vm_address_t low_address = (mach_vm_address_t) (addr - offset);
mach_vm_size_t aligned_length = (mach_vm_size_t) PAGE_ROUND (offset + length);
pointer_t copied;
- int copy_count;
+ mach_msg_type_number_t copy_count;
mach_vm_size_t remaining_length;
mach_vm_address_t region_address;
mach_vm_size_t region_length;
/* Read LENGTH bytes at offset ADDR of task_dyld_info for TASK, and copy them
to RDADDR.
- Return 0 on failure; number of bytes read / writen otherwise. */
+ Return 0 on failure; number of bytes read / written otherwise. */
+#ifdef TASK_DYLD_INFO_COUNT
+/* This is not available in Darwin 9. */
static int
-darwin_read_dyld_info (task_t task, CORE_ADDR addr, char *rdaddr, int length)
+darwin_read_dyld_info (task_t task, CORE_ADDR addr, gdb_byte *rdaddr,
+ int length)
{
struct task_dyld_info task_dyld_info;
mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
memcpy (rdaddr, (char *)&task_dyld_info + addr, length);
return length;
}
+#endif
\f
/* Return 0 on failure, number of bytes handled otherwise. TARGET
case TARGET_OBJECT_MEMORY:
return darwin_read_write_inferior (inf->private->task, offset,
readbuf, writebuf, len);
+#ifdef TASK_DYLD_INFO_COUNT
case TARGET_OBJECT_DARWIN_DYLD_INFO:
if (writebuf != NULL || readbuf == NULL)
{
return -1;
}
return darwin_read_dyld_info (inf->private->task, offset, readbuf, len);
+#endif
default:
return -1;
}
projects / binutils-gdb.git / blobdiff