Remove "noisy" parameter from clear_complaints

[deliverable/binutils-gdb.git] / gdb / m68k-linux-nat.c

diff --git a/gdb/m68k-linux-nat.c b/gdb/m68k-linux-nat.c
index e5182caf39197f759c85c2321e4d66c428f5911e..e25154cdd7025d3deafd9c0faf870e03e4a048df 100644 (file)
--- a/gdb/m68k-linux-nat.c
+++ b/gdb/m68k-linux-nat.c
@@ -1,6 +1,6 @@
 /* Motorola m68k native support for GNU/Linux.
 
-   Copyright (C) 1996-2017 Free Software Foundation, Inc.
+   Copyright (C) 1996-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -51,10 +51,23 @@
 /* Defines ps_err_e, struct ps_prochandle.  */
 #include "gdb_proc_service.h"
 
+#include "inf-ptrace.h"
+
 #ifndef PTRACE_GET_THREAD_AREA
 #define PTRACE_GET_THREAD_AREA 25
 #endif
 \f
+
+class m68k_linux_nat_target final : public linux_nat_target
+{
+public:
+  /* Add our register access methods.  */
+  void fetch_registers (struct regcache *, int) override;
+  void store_registers (struct regcache *, int) override;
+};
+
+static m68k_linux_nat_target the_m68k_linux_nat_target;
+
 /* This table must line up with gdbarch_register_name in "m68k-tdep.c".  */
 static const int regmap[] =
 {
@@ -102,17 +115,11 @@ static int have_ptrace_getregs =
 static void
 fetch_register (struct regcache *regcache, int regno)
 {
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  struct gdbarch *gdbarch = regcache->arch ();
   long regaddr, val;
   int i;
   gdb_byte buf[M68K_MAX_REGISTER_SIZE];
-  int tid;
-
-  /* Overload thread id onto process id.  */
-  tid = ptid_get_lwp (inferior_ptid);
-  if (tid == 0)
-    tid = ptid_get_pid (inferior_ptid);        /* no thread id, just use
-                                          process id.  */
+  pid_t tid = get_ptrace_pid (regcache_get_ptid (regcache));
 
   regaddr = 4 * regmap[regno];
   for (i = 0; i < register_size (gdbarch, regno); i += sizeof (long))
@@ -143,7 +150,7 @@ old_fetch_inferior_registers (struct regcache *regcache, int regno)
   else
     {
       for (regno = 0;
-          regno < gdbarch_num_regs (get_regcache_arch (regcache));
+          regno < gdbarch_num_regs (regcache->arch ());
           regno++)
        {
          fetch_register (regcache, regno);
@@ -156,17 +163,11 @@ old_fetch_inferior_registers (struct regcache *regcache, int regno)
 static void
 store_register (const struct regcache *regcache, int regno)
 {
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  struct gdbarch *gdbarch = regcache->arch ();
   long regaddr, val;
   int i;
-  int tid;
   gdb_byte buf[M68K_MAX_REGISTER_SIZE];
-
-  /* Overload thread id onto process id.  */
-  tid = ptid_get_lwp (inferior_ptid);
-  if (tid == 0)
-    tid = ptid_get_pid (inferior_ptid);        /* no thread id, just use
-                                          process id.  */
+  pid_t tid = get_ptrace_pid (regcache_get_ptid (regcache));
 
   regaddr = 4 * regmap[regno];
 
@@ -201,7 +202,7 @@ old_store_inferior_registers (const struct regcache *regcache, int regno)
   else
     {
       for (regno = 0;
-          regno < gdbarch_num_regs (get_regcache_arch (regcache));
+          regno < gdbarch_num_regs (regcache->arch ());
           regno++)
        {
          store_register (regcache, regno);
@@ -216,7 +217,7 @@ old_store_inferior_registers (const struct regcache *regcache, int regno)
 void
 supply_gregset (struct regcache *regcache, const elf_gregset_t *gregsetp)
 {
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  struct gdbarch *gdbarch = regcache->arch ();
   const elf_greg_t *regp = (const elf_greg_t *) gregsetp;
   int regi;
 
@@ -312,7 +313,7 @@ static void store_regs (const struct regcache *regcache, int tid, int regno)
 void
 supply_fpregset (struct regcache *regcache, const elf_fpregset_t *fpregsetp)
 {
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  struct gdbarch *gdbarch = regcache->arch ();
   int regi;
 
   for (regi = gdbarch_fp0_regnum (gdbarch);
@@ -333,7 +334,7 @@ void
 fill_fpregset (const struct regcache *regcache,
               elf_fpregset_t *fpregsetp, int regno)
 {
-  struct gdbarch *gdbarch = get_regcache_arch (regcache);
+  struct gdbarch *gdbarch = regcache->arch ();
   int i;
 
   /* Fill in the floating-point registers.  */
@@ -402,11 +403,10 @@ static void store_fpregs (const struct regcache *regcache, int tid, int regno)
    this for all registers (including the floating point and SSE
    registers).  */
 
-static void
-m68k_linux_fetch_inferior_registers (struct target_ops *ops,
-                                    struct regcache *regcache, int regno)
+void
+m68k_linux_nat_target::fetch_registers (struct regcache *regcache, int regno)
 {
-  int tid;
+  pid_t tid;
 
   /* Use the old method of peeking around in `struct user' if the
      GETREGS request isn't available.  */
@@ -416,10 +416,7 @@ m68k_linux_fetch_inferior_registers (struct target_ops *ops,
       return;
     }
 
-  /* GNU/Linux LWP ID's are process ID's.  */
-  tid = ptid_get_lwp (inferior_ptid);
-  if (tid == 0)
-    tid = ptid_get_pid (inferior_ptid);        /* Not a threaded program.  */
+  tid = get_ptrace_pid (regcache_get_ptid (regcache));
 
   /* Use the PTRACE_GETFPXREGS request whenever possible, since it
      transfers more registers in one system call, and we'll cache the
@@ -459,11 +456,10 @@ m68k_linux_fetch_inferior_registers (struct target_ops *ops,
 /* Store register REGNO back into the child process.  If REGNO is -1,
    do this for all registers (including the floating point and SSE
    registers).  */
-static void
-m68k_linux_store_inferior_registers (struct target_ops *ops,
-                                    struct regcache *regcache, int regno)
+void
+m68k_linux_nat_target::store_registers (struct regcache *regcache, int regno)
 {
-  int tid;
+  pid_t tid;
 
   /* Use the old method of poking around in `struct user' if the
      SETREGS request isn't available.  */
@@ -473,10 +469,7 @@ m68k_linux_store_inferior_registers (struct target_ops *ops,
       return;
     }
 
-  /* GNU/Linux LWP ID's are process ID's.  */
-  tid = ptid_get_lwp (inferior_ptid);
-  if (tid == 0)
-    tid = ptid_get_pid (inferior_ptid);        /* Not a threaded program.  */
+  tid = get_ptrace_pid (regcache_get_ptid (regcache));
 
   /* Use the PTRACE_SETFPREGS requests whenever possible, since it
      transfers more registers in one system call.  But remember that
@@ -521,22 +514,11 @@ ps_get_thread_area (struct ps_prochandle *ph,
 
   return PS_OK;
 }
-\f
-
-void _initialize_m68k_linux_nat (void);
 
 void
 _initialize_m68k_linux_nat (void)
 {
-  struct target_ops *t;
-
-  /* Fill in the generic GNU/Linux methods.  */
-  t = linux_target ();
-
-  /* Add our register access methods.  */
-  t->to_fetch_registers = m68k_linux_fetch_inferior_registers;
-  t->to_store_registers = m68k_linux_store_inferior_registers;
-
   /* Register the target.  */
-  linux_nat_add_target (t);
+  linux_target = &the_m68k_linux_nat_target;
+  add_inf_child_target (&the_m68k_linux_nat_target);
 }