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* [binutils-gdb] gdbserver: turn target op 'supports_software_single_step' into a method
@ 2020-02-20 16:42 Tankut Baris Aktemur
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From: Tankut Baris Aktemur @ 2020-02-20 16:42 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=5303a34f9021a918a53376f215798dc65bf1a45c
commit 5303a34f9021a918a53376f215798dc65bf1a45c
Author: Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Date: Mon Feb 17 16:12:03 2020 +0100
gdbserver: turn target op 'supports_software_single_step' into a method
gdbserver/ChangeLog:
2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
Turn process_stratum_target's supports_software_single_step 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_software_single_step): Update the macro.
* target.cc (process_target::supports_software_single_step): Define.
Update the derived classes and callers below.
* linux-low.cc (linux_target_ops): Update.
(linux_supports_software_single_step): Turn into ...
(linux_process_target::supports_software_single_step): ... 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.
Diff:
---
gdbserver/ChangeLog | 20 ++++++++++++++++++++
gdbserver/linux-low.cc | 5 ++---
gdbserver/linux-low.h | 2 ++
gdbserver/lynx-low.cc | 1 -
gdbserver/nto-low.cc | 1 -
gdbserver/target.cc | 6 ++++++
gdbserver/target.h | 9 ++++-----
gdbserver/win32-low.cc | 1 -
8 files changed, 34 insertions(+), 11 deletions(-)
diff --git a/gdbserver/ChangeLog b/gdbserver/ChangeLog
index 592697a..5d4cd33 100644
--- a/gdbserver/ChangeLog
+++ b/gdbserver/ChangeLog
@@ -1,5 +1,25 @@
2020-02-20 Tankut Baris Aktemur <tankut.baris.aktemur@intel.com>
+ Turn process_stratum_target's supports_software_single_step 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_software_single_step): Update the macro.
+ * target.cc (process_target::supports_software_single_step): Define.
+
+ Update the derived classes and callers below.
+
+ * linux-low.cc (linux_target_ops): Update.
+ (linux_supports_software_single_step): Turn into ...
+ (linux_process_target::supports_software_single_step): ... 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 thread_name and thread_handle ops
into methods of process_target.
diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index f910866..1624ea4 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -6044,8 +6044,8 @@ linux_process_target::supports_hardware_single_step ()
return can_hardware_single_step ();
}
-static int
-linux_supports_software_single_step (void)
+bool
+linux_process_target::supports_software_single_step ()
{
return can_software_single_step ();
}
@@ -7524,7 +7524,6 @@ linux_get_hwcap2 (int wordsize)
static linux_process_target the_linux_target;
static process_stratum_target linux_target_ops = {
- linux_supports_software_single_step,
linux_supports_catch_syscall,
linux_get_ipa_tdesc_idx,
&the_linux_target,
diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h
index 2acd65f..1595926 100644
--- a/gdbserver/linux-low.h
+++ b/gdbserver/linux-low.h
@@ -475,6 +475,8 @@ public:
bool thread_handle (ptid_t ptid, gdb_byte **handle,
int *handle_len) override;
#endif
+
+ bool supports_software_single_step () override;
};
#define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr)))
diff --git a/gdbserver/lynx-low.cc b/gdbserver/lynx-low.cc
index 0c460be..399ccae 100644
--- a/gdbserver/lynx-low.cc
+++ b/gdbserver/lynx-low.cc
@@ -741,7 +741,6 @@ static lynx_process_target the_lynx_target;
/* The LynxOS target_ops vector. */
static process_stratum_target lynx_target_ops = {
- NULL, /* supports_software_single_step */
NULL, /* supports_catch_syscall */
NULL, /* get_ipa_tdesc_idx */
&the_lynx_target,
diff --git a/gdbserver/nto-low.cc b/gdbserver/nto-low.cc
index 4c3c5a3..a502135 100644
--- a/gdbserver/nto-low.cc
+++ b/gdbserver/nto-low.cc
@@ -947,7 +947,6 @@ nto_process_target::sw_breakpoint_from_kind (int kind, int *size)
static nto_process_target the_nto_target;
static process_stratum_target nto_target_ops = {
- NULL, /* supports_software_single_step */
NULL, /* supports_catch_syscall */
NULL, /* get_ipa_tdesc_idx */
&the_nto_target,
diff --git a/gdbserver/target.cc b/gdbserver/target.cc
index b7ed26b..b1a28e6 100644
--- a/gdbserver/target.cc
+++ b/gdbserver/target.cc
@@ -814,3 +814,9 @@ process_target::thread_handle (ptid_t ptid, gdb_byte **handle,
{
return false;
}
+
+bool
+process_target::supports_software_single_step ()
+{
+ return false;
+}
diff --git a/gdbserver/target.h b/gdbserver/target.h
index 4d9de55..26ce137 100644
--- a/gdbserver/target.h
+++ b/gdbserver/target.h
@@ -70,9 +70,6 @@ class process_target;
shared code. */
struct process_stratum_target
{
- /* Returns true if the target can software single step. */
- int (*supports_software_single_step) (void);
-
/* Return 1 if the target supports catch syscall, 0 (or leave the
callback NULL) otherwise. */
int (*supports_catch_syscall) (void);
@@ -505,6 +502,9 @@ public:
and the handle's length via HANDLE_LEN. */
virtual bool thread_handle (ptid_t ptid, gdb_byte **handle,
int *handle_len);
+
+ /* Returns true if the target can software single step. */
+ virtual bool supports_software_single_step ();
};
extern process_stratum_target *the_target;
@@ -669,8 +669,7 @@ target_read_btrace_conf (struct btrace_target_info *tinfo,
the_target->pt->breakpoint_kind_from_current_state (pcptr)
#define target_supports_software_single_step() \
- (the_target->supports_software_single_step ? \
- (*the_target->supports_software_single_step) () : 0)
+ the_target->pt->supports_software_single_step ()
ptid_t mywait (ptid_t ptid, struct target_waitstatus *ourstatus, int options,
int connected_wait);
diff --git a/gdbserver/win32-low.cc b/gdbserver/win32-low.cc
index 218f007..b218ff5 100644
--- a/gdbserver/win32-low.cc
+++ b/gdbserver/win32-low.cc
@@ -1858,7 +1858,6 @@ win32_process_target::sw_breakpoint_from_kind (int kind, int *size)
static win32_process_target the_win32_target;
static process_stratum_target win32_target_ops = {
- NULL, /* supports_software_single_step */
NULL, /* supports_catch_syscall */
NULL, /* get_ipa_tdesc_idx */
&the_win32_target,
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