/* Darwin support for GDB, the GNU debugger.
- Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
+ Copyright (C) 2008-2012 Free Software Foundation, Inc.
Contributed by AdaCore.
{
posix_spawnattr_t attr;
short ps_flags = 0;
- int retval;
+ int res;
- retval = posix_spawnattr_init (&attr);
- if (retval != 0)
+ res = posix_spawnattr_init (&attr);
+ if (res != 0)
{
fprintf_unfiltered
(gdb_stderr, "Cannot initialize attribute for posix_spawn\n");
#define _POSIX_SPAWN_DISABLE_ASLR 0x0100
#endif
ps_flags |= _POSIX_SPAWN_DISABLE_ASLR;
- retval = posix_spawnattr_setflags (&attr, ps_flags);
- if (retval != 0)
+ res = posix_spawnattr_setflags (&attr, ps_flags);
+ if (res != 0)
{
- fprintf_unfiltered
- (gdb_stderr, "Cannot set posix_spawn flags\n");
+ fprintf_unfiltered (gdb_stderr, "Cannot set posix_spawn flags\n");
return;
}
copy it to RDADDR in gdb's address space.
If WRADDR is not NULL, write gdb's LEN bytes from WRADDR and copy it
to ADDR in inferior task's address space.
- Return 0 on failure; number of bytes read / writen otherwise. */
+ 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)
return 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. */
+
+static int
+darwin_read_dyld_info (task_t task, CORE_ADDR addr, char *rdaddr, int length)
+{
+ struct task_dyld_info task_dyld_info;
+ mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
+ int sz = TASK_DYLD_INFO_COUNT * sizeof (natural_t);
+ kern_return_t kret;
+
+ if (addr >= sz)
+ return 0;
+
+ kret = task_info (task, TASK_DYLD_INFO, (task_info_t) &task_dyld_info, &count);
+ MACH_CHECK_ERROR (kret);
+ if (kret != KERN_SUCCESS)
+ return -1;
+ /* Truncate. */
+ if (addr + length > sz)
+ length = sz - addr;
+ memcpy (rdaddr, (char *)&task_dyld_info + addr, length);
+ return length;
+}
+
\f
/* Return 0 on failure, number of bytes handled otherwise. TARGET
is ignored. */
host_address_to_string (readbuf), host_address_to_string (writebuf),
inf->pid);
- if (object != TARGET_OBJECT_MEMORY)
- return -1;
+ switch (object)
+ {
+ case TARGET_OBJECT_MEMORY:
+ return darwin_read_write_inferior (inf->private->task, offset,
+ readbuf, writebuf, len);
+ case TARGET_OBJECT_DARWIN_DYLD_INFO:
+ if (writebuf != NULL || readbuf == NULL)
+ {
+ /* Support only read. */
+ return -1;
+ }
+ return darwin_read_dyld_info (inf->private->task, offset, readbuf, len);
+ default:
+ return -1;
+ }
- return darwin_read_write_inferior (inf->private->task, offset,
- readbuf, writebuf, len);
}
static void