#include <sys/uio.h>
#include "gdbsupport/filestuff.h"
#include "tracepoint.h"
-#include "hostio.h"
#include <inttypes.h>
#include "gdbsupport/common-inferior.h"
#include "nat/fork-inferior.h"
#endif
#endif
+#if (defined(__UCLIBC__) \
+ && defined(HAS_NOMMU) \
+ && defined(PT_TEXT_ADDR) \
+ && defined(PT_DATA_ADDR) \
+ && defined(PT_TEXT_END_ADDR))
+#define SUPPORTS_READ_OFFSETS
+#endif
+
#ifdef HAVE_LINUX_BTRACE
# include "nat/linux-btrace.h"
# include "gdbsupport/btrace-common.h"
return lwp->stopped_data_address;
}
-#if defined(__UCLIBC__) && defined(HAS_NOMMU) \
- && defined(PT_TEXT_ADDR) && defined(PT_DATA_ADDR) \
- && defined(PT_TEXT_END_ADDR)
-
/* This is only used for targets that define PT_TEXT_ADDR,
PT_DATA_ADDR and PT_TEXT_END_ADDR. If those are not defined, supposedly
the target has different ways of acquiring this information, like
loadmaps. */
+bool
+linux_process_target::supports_read_offsets ()
+{
+#ifdef SUPPORTS_READ_OFFSETS
+ return true;
+#else
+ return false;
+#endif
+}
+
/* Under uClinux, programs are loaded at non-zero offsets, which we need
to tell gdb about. */
-static int
-linux_read_offsets (CORE_ADDR *text_p, CORE_ADDR *data_p)
+int
+linux_process_target::read_offsets (CORE_ADDR *text_p, CORE_ADDR *data_p)
{
+#ifdef SUPPORTS_READ_OFFSETS
unsigned long text, text_end, data;
int pid = lwpid_of (current_thread);
return 1;
}
- return 0;
+ return 0;
+#else
+ gdb_assert_not_reached ("target op read_offsets not supported");
+#endif
}
+
+bool
+linux_process_target::supports_get_tls_address ()
+{
+#ifdef USE_THREAD_DB
+ return true;
+#else
+ return false;
#endif
+}
-static int
-linux_qxfer_osdata (const char *annex,
- unsigned char *readbuf, unsigned const char *writebuf,
- CORE_ADDR offset, int len)
+int
+linux_process_target::get_tls_address (thread_info *thread,
+ CORE_ADDR offset,
+ CORE_ADDR load_module,
+ CORE_ADDR *address)
+{
+#ifdef USE_THREAD_DB
+ return thread_db_get_tls_address (thread, offset, load_module, address);
+#else
+ return -1;
+#endif
+}
+
+bool
+linux_process_target::supports_qxfer_osdata ()
+{
+ return true;
+}
+
+int
+linux_process_target::qxfer_osdata (const char *annex,
+ unsigned char *readbuf,
+ unsigned const char *writebuf,
+ CORE_ADDR offset, int len)
{
return linux_common_xfer_osdata (annex, readbuf, offset, len);
}
}
}
-static int
-linux_xfer_siginfo (const char *annex, unsigned char *readbuf,
- unsigned const char *writebuf, CORE_ADDR offset, int len)
+bool
+linux_process_target::supports_qxfer_siginfo ()
+{
+ return true;
+}
+
+int
+linux_process_target::qxfer_siginfo (const char *annex,
+ unsigned char *readbuf,
+ unsigned const char *writebuf,
+ CORE_ADDR offset, int len)
{
int pid;
siginfo_t siginfo;
errno = old_errno;
}
-static int
-linux_supports_non_stop (void)
+bool
+linux_process_target::supports_non_stop ()
{
- return 1;
+ return true;
}
-static int
-linux_async (int enable)
+bool
+linux_process_target::async (bool enable)
{
- int previous = target_is_async_p ();
+ bool previous = target_is_async_p ();
if (debug_threads)
debug_printf ("linux_async (%d), previous=%d\n",
return previous;
}
-static int
-linux_start_non_stop (int nonstop)
+int
+linux_process_target::start_non_stop (bool nonstop)
{
/* Register or unregister from event-loop accordingly. */
- linux_async (nonstop);
+ target_async (nonstop);
- if (target_is_async_p () != (nonstop != 0))
+ if (target_is_async_p () != (nonstop != false))
return -1;
return 0;
}
-static int
-linux_supports_multi_process (void)
+bool
+linux_process_target::supports_multi_process ()
{
- return 1;
+ return true;
}
/* Check if fork events are supported. */
-static int
-linux_supports_fork_events (void)
+bool
+linux_process_target::supports_fork_events ()
{
return linux_supports_tracefork ();
}
/* Check if vfork events are supported. */
-static int
-linux_supports_vfork_events (void)
+bool
+linux_process_target::supports_vfork_events ()
{
return linux_supports_tracefork ();
}
/* Check if exec events are supported. */
-static int
-linux_supports_exec_events (void)
+bool
+linux_process_target::supports_exec_events ()
{
return linux_supports_traceexec ();
}
ptrace flags for all inferiors. This is in case the new GDB connection
doesn't support the same set of events that the previous one did. */
-static void
-linux_handle_new_gdb_connection (void)
+void
+linux_process_target::handle_new_gdb_connection ()
{
/* Request that all the lwps reset their ptrace options. */
for_each_thread ([] (thread_info *thread)
});
}
+int
+linux_process_target::handle_monitor_command (char *mon)
+{
+#ifdef USE_THREAD_DB
+ return thread_db_handle_monitor_command (mon);
+#else
+ return 0;
+#endif
+}
+
+int
+linux_process_target::core_of_thread (ptid_t ptid)
+{
+ return linux_common_core_of_thread (ptid);
+}
+
static int
linux_supports_disable_randomization (void)
{
# define LINUX_LOADMAP_INTERP PTRACE_GETFDPIC_INTERP
# endif
-static int
-linux_read_loadmap (const char *annex, CORE_ADDR offset,
- unsigned char *myaddr, unsigned int len)
+bool
+linux_process_target::supports_read_loadmap ()
+{
+ return true;
+}
+
+int
+linux_process_target::read_loadmap (const char *annex, CORE_ADDR offset,
+ unsigned char *myaddr, unsigned int len)
{
int pid = lwpid_of (current_thread);
int addr = -1;
memcpy (myaddr, (char *) data + offset, copy_length);
return copy_length;
}
-#else
-# define linux_read_loadmap NULL
#endif /* defined PT_GETDSBT || defined PTRACE_GETFDPIC */
-static void
-linux_process_qsupported (char **features, int count)
+void
+linux_process_target::process_qsupported (char **features, int count)
{
if (the_low_target.process_qsupported != NULL)
the_low_target.process_qsupported (features, count);
return (*the_low_target.get_ipa_tdesc_idx) ();
}
-static int
-linux_supports_tracepoints (void)
+bool
+linux_process_target::supports_tracepoints ()
{
if (*the_low_target.supports_tracepoints == NULL)
- return 0;
+ return false;
return (*the_low_target.supports_tracepoints) ();
}
-static CORE_ADDR
-linux_read_pc (struct regcache *regcache)
+CORE_ADDR
+linux_process_target::read_pc (regcache *regcache)
{
if (the_low_target.get_pc == NULL)
return 0;
return (*the_low_target.get_pc) (regcache);
}
-static void
-linux_write_pc (struct regcache *regcache, CORE_ADDR pc)
+void
+linux_process_target::write_pc (regcache *regcache, CORE_ADDR pc)
{
gdb_assert (the_low_target.set_pc != NULL);
(*the_low_target.set_pc) (regcache, pc);
}
-static int
-linux_thread_stopped (struct thread_info *thread)
+bool
+linux_process_target::supports_thread_stopped ()
+{
+ return true;
+}
+
+bool
+linux_process_target::thread_stopped (thread_info *thread)
{
return get_thread_lwp (thread)->stopped;
}
static linux_process_target the_linux_target;
static process_stratum_target linux_target_ops = {
-#if defined(__UCLIBC__) && defined(HAS_NOMMU) \
- && defined(PT_TEXT_ADDR) && defined(PT_DATA_ADDR) \
- && defined(PT_TEXT_END_ADDR)
- linux_read_offsets,
-#else
- NULL,
-#endif
-#ifdef USE_THREAD_DB
- thread_db_get_tls_address,
-#else
- NULL,
-#endif
- hostio_last_error_from_errno,
- linux_qxfer_osdata,
- linux_xfer_siginfo,
- linux_supports_non_stop,
- linux_async,
- linux_start_non_stop,
- linux_supports_multi_process,
- linux_supports_fork_events,
- linux_supports_vfork_events,
- linux_supports_exec_events,
- linux_handle_new_gdb_connection,
-#ifdef USE_THREAD_DB
- thread_db_handle_monitor_command,
-#else
- NULL,
-#endif
- linux_common_core_of_thread,
- linux_read_loadmap,
- linux_process_qsupported,
- linux_supports_tracepoints,
- linux_read_pc,
- linux_write_pc,
- linux_thread_stopped,
- NULL,
linux_pause_all,
linux_unpause_all,
linux_stabilize_threads,