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gdbserver: turn target op 'supports_range_stepping' into a method

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gdbserver/ChangeLog:
2020-02-20  Tankut Baris Aktemur  <tankut.baris.aktemur@intel.com>

	Turn process_stratum_target's supports_range_stepping op into a
	method of process_target.

	* target.h (struct process_stratum_target): Remove the target op.
	(class process_target): Add the target op.
	(target_supports_range_stepping): Update the macro.
	* target.cc (process_target::supports_range_stepping): Define.

	Update the derived classes and callers below.

	* linux-low.cc (linux_target_ops): Update.
	(linux_supports_range_stepping): Turn into ...
	(linux_process_target::supports_range_stepping): ... this.
	* linux-low.h (class linux_process_target): Update.
	* lynx-low.cc (lynx_target_ops): Update.
	* nto-low.cc (nto_target_ops): Update.
	* win32-low.cc (win32_target_ops): Update.
This commit is contained in:
Tankut Baris Aktemur 2020-02-17 16:12:01 +01:00
parent 79597bdd56
commit 2526e0cd95
8 changed files with 36 additions and 13 deletions
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20
gdbserver/ChangeLog
View File

@ -1,3 +1,23 @@
2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Turn process_stratum_target's supports_range_stepping op into a
method of process_target.
* target.h (struct process_stratum_target): Remove the target op.
(class process_target): Add the target op.
(target_supports_range_stepping): Update the macro.
* target.cc (process_target::supports_range_stepping): Define.
Update the derived classes and callers below.
* linux-low.cc (linux_target_ops): Update.
(linux_supports_range_stepping): Turn into ...
(linux_process_target::supports_range_stepping): ... this.
* linux-low.h (class linux_process_target): Update.
* lynx-low.cc (lynx_target_ops): Update.
* nto-low.cc (nto_target_ops): Update.
* win32-low.cc (win32_target_ops): Update.
2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Turn process_stratum_target's btrace-related ops (enable_btrace,

9
gdbserver/linux-low.cc
View File

@ -6430,13 +6430,13 @@ linux_process_target::supports_agent ()
return true;
}
static int
linux_supports_range_stepping (void)
bool
linux_process_target::supports_range_stepping ()
{
if (can_software_single_step ())
return 1;
return true;
if (*the_low_target.supports_range_stepping == NULL)
return 0;
return false;
return (*the_low_target.supports_range_stepping) ();
}
@ -7471,7 +7471,6 @@ linux_get_hwcap2 (int wordsize)
static linux_process_target the_linux_target;
static process_stratum_target linux_target_ops = {
linux_supports_range_stepping,
linux_proc_pid_to_exec_file,
linux_mntns_open_cloexec,
linux_mntns_unlink,

2
gdbserver/linux-low.h
View File

@ -446,6 +446,8 @@ class linux_process_target : public process_target
int read_btrace_conf (const btrace_target_info *tinfo,
buffer *buf) override;
#endif
bool supports_range_stepping () override;
};
#define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr)))

1
gdbserver/lynx-low.cc
View File

@ -735,7 +735,6 @@ static lynx_process_target the_lynx_target;
/* The LynxOS target_ops vector. */
static process_stratum_target lynx_target_ops = {
NULL, /* supports_range_stepping */
NULL, /* pid_to_exec_file */
NULL, /* multifs_open */
NULL, /* multifs_unlink */

1
gdbserver/nto-low.cc
View File

@ -947,7 +947,6 @@ nto_sw_breakpoint_from_kind (int kind, int *size)
static nto_process_target the_nto_target;
static process_stratum_target nto_target_ops = {
NULL, /* supports_range_stepping */
NULL, /* pid_to_exec_file */
NULL, /* multifs_open */
NULL, /* multifs_unlink */

6
gdbserver/target.cc
View File

@ -753,3 +753,9 @@ process_target::read_btrace_conf (const btrace_target_info *tinfo,
{
error (_("Target does not support branch tracing."));
}
bool
process_target::supports_range_stepping ()
{
return false;
}

9
gdbserver/target.h
View File

@ -70,9 +70,6 @@ class process_target;
shared code. */
struct process_stratum_target
{
/* Return true if target supports range stepping. */
int (*supports_range_stepping) (void);
/* Return the full absolute name of the executable file that was
run to create the process PID. If the executable file cannot
be determined, NULL is returned. Otherwise, a pointer to a
@ -498,6 +495,9 @@ class process_target
otherwise. */
virtual int read_btrace_conf (const btrace_target_info *tinfo,
buffer *buf);
/* Return true if target supports range stepping. */
virtual bool supports_range_stepping ();
};
extern process_stratum_target *the_target;
@ -638,8 +638,7 @@ target_read_btrace_conf (struct btrace_target_info *tinfo,
}
#define target_supports_range_stepping() \
(the_target->supports_range_stepping ? \
(*the_target->supports_range_stepping) () : 0)
the_target->pt->supports_range_stepping ()
#define target_supports_stopped_by_sw_breakpoint() \
the_target->pt->supports_stopped_by_sw_breakpoint ()

1
gdbserver/win32-low.cc
View File

@ -1858,7 +1858,6 @@ win32_sw_breakpoint_from_kind (int kind, int *size)
static win32_process_target the_win32_target;
static process_stratum_target win32_target_ops = {
NULL, /* supports_range_stepping */
NULL, /* pid_to_exec_file */
NULL, /* multifs_open */
NULL, /* multifs_unlink */