[15/31] gdbserver/linux-low: turn 'supports_z_point_type' into a method

diff --git a/gdbserver/linux-aarch64-low.cc b/gdbserver/linux-aarch64-low.cc
index a4b8ed37d53..d54dec4b86d 100644
--- a/gdbserver/linux-aarch64-low.cc
+++ b/gdbserver/linux-aarch64-low.cc
@@ -64,6 +64,8 @@  public:
 
   const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
 
+  bool supports_z_point_type (char z_type) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -289,10 +291,10 @@  aarch64_get_debug_reg_state (pid_t pid)
   return &proc->priv->arch_private->debug_reg_state;
 }
 
-/* Implementation of linux_target_ops method "supports_z_point_type".  */
+/* Implementation of target ops method "supports_z_point_type".  */
 
-static int
-aarch64_supports_z_point_type (char z_type)
+bool
+aarch64_target::supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
@@ -301,9 +303,9 @@  aarch64_supports_z_point_type (char z_type)
     case Z_PACKET_WRITE_WP:
     case Z_PACKET_READ_WP:
     case Z_PACKET_ACCESS_WP:
-      return 1;
+      return true;
     default:
-      return 0;
+      return false;
     }
 }
 
@@ -3105,7 +3107,6 @@  aarch64_supports_hardware_single_step (void)
 
 struct linux_target_ops the_low_target =
 {
-  aarch64_supports_z_point_type,
   aarch64_insert_point,
   aarch64_remove_point,
   aarch64_stopped_by_watchpoint,
diff --git a/gdbserver/linux-arm-low.cc b/gdbserver/linux-arm-low.cc
index 8ad56d4899c..454ed5bc9be 100644
--- a/gdbserver/linux-arm-low.cc
+++ b/gdbserver/linux-arm-low.cc
@@ -72,6 +72,8 @@  public:
 
   bool supports_software_single_step () override;
 
+  bool supports_z_point_type (char z_type) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -558,8 +560,8 @@  update_registers_callback (thread_info *thread, int watch, int i)
     linux_stop_lwp (lwp);
 }
 
-static int
-arm_supports_z_point_type (char z_type)
+bool
+arm_target::supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
@@ -568,10 +570,10 @@  arm_supports_z_point_type (char z_type)
     case Z_PACKET_WRITE_WP:
     case Z_PACKET_READ_WP:
     case Z_PACKET_ACCESS_WP:
-      return 1;
+      return true;
     default:
       /* Leave the handling of sw breakpoints with the gdb client.  */
-      return 0;
+      return false;
     }
 }
 
@@ -1095,7 +1097,6 @@  arm_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  arm_supports_z_point_type,
   arm_insert_point,
   arm_remove_point,
   arm_stopped_by_watchpoint,
diff --git a/gdbserver/linux-bfin-low.cc b/gdbserver/linux-bfin-low.cc
index 8d380b29d53..8887b2f2096 100644
--- a/gdbserver/linux-bfin-low.cc
+++ b/gdbserver/linux-bfin-low.cc
@@ -165,7 +165,6 @@  bfin_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  NULL, /* supports_z_point_type */
   NULL, /* insert_point */
   NULL, /* remove_point */
   NULL, /* stopped_by_watchpoint */
diff --git a/gdbserver/linux-crisv32-low.cc b/gdbserver/linux-crisv32-low.cc
index a7dc77942e3..0de90b94f82 100644
--- a/gdbserver/linux-crisv32-low.cc
+++ b/gdbserver/linux-crisv32-low.cc
@@ -32,6 +32,8 @@  public:
 
   const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
 
+  bool supports_z_point_type (char z_type) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -179,17 +181,17 @@  cris_write_data_breakpoint (struct regcache *regcache,
     }
 }
 
-static int
-cris_supports_z_point_type (char z_type)
+bool
+crisv32_target::supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
     case Z_PACKET_WRITE_WP:
     case Z_PACKET_READ_WP:
     case Z_PACKET_ACCESS_WP:
-      return 1;
+      return true;
     default:
-      return 0;
+      return false;
     }
 }
 
@@ -458,7 +460,6 @@  crisv32_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  cris_supports_z_point_type,
   cris_insert_point,
   cris_remove_point,
   cris_stopped_by_watchpoint,
diff --git a/gdbserver/linux-low.cc b/gdbserver/linux-low.cc
index 3172ed5c502..e4c38e75a33 100644
--- a/gdbserver/linux-low.cc
+++ b/gdbserver/linux-low.cc
@@ -5829,17 +5829,6 @@  linux_process_target::read_auxv (CORE_ADDR offset, unsigned char *myaddr,
   return n;
 }
 
-/* These breakpoint and watchpoint related wrapper functions simply
-   pass on the function call if the target has registered a
-   corresponding function.  */
-
-bool
-linux_process_target::supports_z_point_type (char z_type)
-{
-  return (the_low_target.supports_z_point_type != NULL
-	  && the_low_target.supports_z_point_type (z_type));
-}
-
 int
 linux_process_target::insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
 				    int size, raw_breakpoint *bp)
diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h
index 77cea4a235d..dd6dbbc6ba6 100644
--- a/gdbserver/linux-low.h
+++ b/gdbserver/linux-low.h
@@ -133,7 +133,6 @@  struct linux_target_ops
 {
   /* Breakpoint and watchpoint related functions.  See target.h for
      comments.  */
-  int (*supports_z_point_type) (char z_type);
   int (*insert_point) (enum raw_bkpt_type type, CORE_ADDR addr,
 		       int size, struct raw_breakpoint *bp);
   int (*remove_point) (enum raw_bkpt_type type, CORE_ADDR addr,
@@ -281,8 +280,6 @@  class linux_process_target : public process_stratum_target
   int read_auxv (CORE_ADDR offset, unsigned char *myaddr,
 		 unsigned int len) override;
 
-  bool supports_z_point_type (char z_type) override;
-
   int insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
 		    int size, raw_breakpoint *bp) override;
 
diff --git a/gdbserver/linux-m32r-low.cc b/gdbserver/linux-m32r-low.cc
index 0666dd2d093..280c4c49e8f 100644
--- a/gdbserver/linux-m32r-low.cc
+++ b/gdbserver/linux-m32r-low.cc
@@ -163,7 +163,6 @@  m32r_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  NULL, /* supports_z_point_type */
   NULL, /* insert_point */
   NULL, /* remove_point */
   NULL, /* stopped_by_watchpoint */
diff --git a/gdbserver/linux-m68k-low.cc b/gdbserver/linux-m68k-low.cc
index ca3024bdac8..0297b2f4067 100644
--- a/gdbserver/linux-m68k-low.cc
+++ b/gdbserver/linux-m68k-low.cc
@@ -259,7 +259,6 @@  m68k_supports_hardware_single_step (void)
 }
 
 struct linux_target_ops the_low_target = {
-  NULL, /* supports_z_point_type */
   NULL, /* insert_point */
   NULL, /* remove_point */
   NULL, /* stopped_by_watchpoint */
diff --git a/gdbserver/linux-mips-low.cc b/gdbserver/linux-mips-low.cc
index 82c0b2a1c07..0a5779276af 100644
--- a/gdbserver/linux-mips-low.cc
+++ b/gdbserver/linux-mips-low.cc
@@ -37,6 +37,8 @@  public:
 
   const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
 
+  bool supports_z_point_type (char z_type) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -494,17 +496,17 @@  mips_linux_prepare_to_resume (struct lwp_info *lwp)
     }
 }
 
-static int
-mips_supports_z_point_type (char z_type)
+bool
+mips_target::supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
     case Z_PACKET_WRITE_WP:
     case Z_PACKET_READ_WP:
     case Z_PACKET_ACCESS_WP:
-      return 1;
+      return true;
     default:
-      return 0;
+      return false;
     }
 }
 
@@ -970,7 +972,6 @@  mips_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  mips_supports_z_point_type,
   mips_insert_point,
   mips_remove_point,
   mips_stopped_by_watchpoint,
diff --git a/gdbserver/linux-ppc-low.cc b/gdbserver/linux-ppc-low.cc
index 39b2e3fcd37..1b3378fc16d 100644
--- a/gdbserver/linux-ppc-low.cc
+++ b/gdbserver/linux-ppc-low.cc
@@ -56,6 +56,8 @@  public:
 
   const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
 
+  bool supports_z_point_type (char z_type) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -331,18 +333,18 @@  ppc_target::low_breakpoint_at (CORE_ADDR where)
    Handling software breakpoint at server side, so tracepoints
    and breakpoints can be inserted at the same location.  */
 
-static int
-ppc_supports_z_point_type (char z_type)
+bool
+ppc_target::supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
     case Z_PACKET_SW_BP:
-      return 1;
+      return true;
     case Z_PACKET_HW_BP:
     case Z_PACKET_WRITE_WP:
     case Z_PACKET_ACCESS_WP:
     default:
-      return 0;
+      return false;
     }
 }
 
@@ -3410,7 +3412,6 @@  ppc_get_ipa_tdesc_idx (void)
 }
 
 struct linux_target_ops the_low_target = {
-  ppc_supports_z_point_type,
   ppc_insert_point,
   ppc_remove_point,
   NULL,
diff --git a/gdbserver/linux-s390-low.cc b/gdbserver/linux-s390-low.cc
index e296e3cf08d..94f9182f159 100644
--- a/gdbserver/linux-s390-low.cc
+++ b/gdbserver/linux-s390-low.cc
@@ -66,6 +66,8 @@  public:
 
   const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
 
+  bool supports_z_point_type (char z_type) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -676,17 +678,17 @@  s390_target::low_breakpoint_at (CORE_ADDR pc)
 
 /* Breakpoint/Watchpoint support.  */
 
-/* The "supports_z_point_type" linux_target_ops method.  */
+/* The "supports_z_point_type" target ops method.  */
 
-static int
-s390_supports_z_point_type (char z_type)
+bool
+s390_target::supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
     case Z_PACKET_SW_BP:
-      return 1;
+      return true;
     default:
-      return 0;
+      return false;
     }
 }
 
@@ -2830,7 +2832,6 @@  s390_emit_ops (void)
 }
 
 struct linux_target_ops the_low_target = {
-  s390_supports_z_point_type,
   NULL,
   NULL,
   NULL,
diff --git a/gdbserver/linux-sh-low.cc b/gdbserver/linux-sh-low.cc
index 174bd9cfe4f..0c88655bd76 100644
--- a/gdbserver/linux-sh-low.cc
+++ b/gdbserver/linux-sh-low.cc
@@ -194,7 +194,6 @@  sh_target::low_arch_setup ()
 }
 
 struct linux_target_ops the_low_target = {
-  NULL, /* supports_z_point_type */
   NULL, /* insert_point */
   NULL, /* remove_point */
   NULL, /* stopped_by_watchpoint */
diff --git a/gdbserver/linux-sparc-low.cc b/gdbserver/linux-sparc-low.cc
index 06c81702319..00e6fe028d5 100644
--- a/gdbserver/linux-sparc-low.cc
+++ b/gdbserver/linux-sparc-low.cc
@@ -343,7 +343,6 @@  sparc_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  NULL,  /* supports_z_point_type */
   NULL, NULL, NULL, NULL,
   NULL, NULL
 };
diff --git a/gdbserver/linux-tic6x-low.cc b/gdbserver/linux-tic6x-low.cc
index a9d05c971fd..fcef1174a7c 100644
--- a/gdbserver/linux-tic6x-low.cc
+++ b/gdbserver/linux-tic6x-low.cc
@@ -425,7 +425,6 @@  tic6x_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  NULL, /* supports_z_point_type */
   NULL, /* insert_point */
   NULL, /* remove_point */
   NULL, /* stopped_by_watchpoint */
diff --git a/gdbserver/linux-tile-low.cc b/gdbserver/linux-tile-low.cc
index 68e76a356a3..f67a15d1e51 100644
--- a/gdbserver/linux-tile-low.cc
+++ b/gdbserver/linux-tile-low.cc
@@ -226,7 +226,6 @@  tile_supports_hardware_single_step (void)
 
 struct linux_target_ops the_low_target =
 {
-  NULL, /* supports_z_point_type */
   NULL, /* insert_point */
   NULL, /* remove_point */
   NULL, /* stopped_by_watchpoint */
diff --git a/gdbserver/linux-x86-low.cc b/gdbserver/linux-x86-low.cc
index f24e3912f37..a95bd7c2227 100644
--- a/gdbserver/linux-x86-low.cc
+++ b/gdbserver/linux-x86-low.cc
@@ -110,6 +110,8 @@  public:
 
   const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
 
+  bool supports_z_point_type (char z_type) override;
+
 protected:
 
   void low_arch_setup () override;
@@ -580,8 +582,8 @@  struct x86_dr_low_type x86_dr_low =
 
 /* Breakpoint/Watchpoint support.  */
 
-static int
-x86_supports_z_point_type (char z_type)
+bool
+x86_target::supports_z_point_type (char z_type)
 {
   switch (z_type)
     {
@@ -589,9 +591,9 @@  x86_supports_z_point_type (char z_type)
     case Z_PACKET_HW_BP:
     case Z_PACKET_WRITE_WP:
     case Z_PACKET_ACCESS_WP:
-      return 1;
+      return true;
     default:
-      return 0;
+      return false;
     }
 }
 
@@ -2903,7 +2905,6 @@  x86_get_ipa_tdesc_idx (void)
 
 struct linux_target_ops the_low_target =
 {
-  x86_supports_z_point_type,
   x86_insert_point,
   x86_remove_point,
   x86_stopped_by_watchpoint,
diff --git a/gdbserver/linux-xtensa-low.cc b/gdbserver/linux-xtensa-low.cc
index ef0ac89a469..d580215b476 100644
--- a/gdbserver/linux-xtensa-low.cc
+++ b/gdbserver/linux-xtensa-low.cc
@@ -331,7 +331,6 @@  xtensa_target::get_regs_info ()
 }
 
 struct linux_target_ops the_low_target = {
-  NULL, /* supports_z_point_type */
   NULL, /* insert_point */
   NULL, /* remove_point */
   NULL, /* stopped_by_watchpoint */