gdb: introduce symtab_create_debug_printf

[binutils-gdb.git] / gdb / arm-fbsd-nat.c

diff --git a/gdb/arm-fbsd-nat.c b/gdb/arm-fbsd-nat.c
index 3862a09bf0f157ab292bdb6556f4265e1c287b7c..b161b7ed9080895702dd253f246b484f5f7e66d7 100644 (file)
--- a/gdb/arm-fbsd-nat.c
+++ b/gdb/arm-fbsd-nat.c
@@ -1,6 +1,6 @@
 /* Native-dependent code for FreeBSD/arm.
 
-   Copyright (C) 2017-2021 Free Software Foundation, Inc.
+   Copyright (C) 2017-2022 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -18,8 +18,11 @@
    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #include "defs.h"
+#include "inferior.h"
 #include "target.h"
 
+#include "elf/common.h"
+
 #include <sys/types.h>
 #include <sys/ptrace.h>
 #include <machine/reg.h>
@@ -38,55 +41,37 @@ struct arm_fbsd_nat_target : public fbsd_nat_target
 
 static arm_fbsd_nat_target the_arm_fbsd_nat_target;
 
-/* Determine if PT_GETREGS fetches REGNUM.  */
-
-static bool
-getregs_supplies (int regnum)
-{
-  return ((regnum >= ARM_A1_REGNUM && regnum <= ARM_PC_REGNUM)
-         || regnum == ARM_PS_REGNUM);
-}
-
-#ifdef PT_GETVFPREGS
-/* Determine if PT_GETVFPREGS fetches REGNUM.  */
-
-static bool
-getvfpregs_supplies (int regnum)
-{
-  return ((regnum >= ARM_D0_REGNUM && regnum <= ARM_D31_REGNUM)
-         || regnum == ARM_FPSCR_REGNUM);
-}
-#endif
-
 /* Fetch register REGNUM from the inferior.  If REGNUM is -1, do this
    for all registers.  */
 
 void
 arm_fbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
 {
-  pid_t pid = get_ptrace_pid (regcache->ptid ());
-
-  if (regnum == -1 || getregs_supplies (regnum))
-    {
-      struct reg regs;
-
-      if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
-       perror_with_name (_("Couldn't get registers"));
-
-      regcache->supply_regset (&arm_fbsd_gregset, regnum, &regs,
-                              sizeof (regs));
-    }
-
+  fetch_register_set<struct reg> (regcache, regnum, PT_GETREGS,
+                                 &arm_fbsd_gregset);
 #ifdef PT_GETVFPREGS
-  if (regnum == -1 || getvfpregs_supplies (regnum))
-    {
-      struct vfpreg vfpregs;
-
-      if (ptrace (PT_GETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
-       perror_with_name (_("Couldn't get floating point status"));
+  fetch_register_set<struct vfpreg> (regcache, regnum, PT_GETVFPREGS,
+                                    &arm_fbsd_vfpregset);
+#endif
+#ifdef PT_GETREGSET
+  gdbarch *gdbarch = regcache->arch ();
+  arm_gdbarch_tdep *tdep = gdbarch_tdep<arm_gdbarch_tdep> (gdbarch);
 
-      regcache->supply_regset (&arm_fbsd_vfpregset, regnum, &vfpregs,
-                              sizeof (vfpregs));
+  if (tdep->tls_regnum > 0)
+    {
+      const struct regcache_map_entry arm_fbsd_tlsregmap[] =
+       {
+         { 1, tdep->tls_regnum, 4 },
+         { 0 }
+       };
+
+      const struct regset arm_fbsd_tlsregset =
+       {
+         arm_fbsd_tlsregmap,
+         regcache_supply_regset, regcache_collect_regset
+       };
+
+      fetch_regset<uint32_t> (regcache, regnum, NT_ARM_TLS, &arm_fbsd_tlsregset);
     }
 #endif
 }
@@ -97,35 +82,31 @@ arm_fbsd_nat_target::fetch_registers (struct regcache *regcache, int regnum)
 void
 arm_fbsd_nat_target::store_registers (struct regcache *regcache, int regnum)
 {
-  pid_t pid = get_ptrace_pid (regcache->ptid ());
-
-  if (regnum == -1 || getregs_supplies (regnum))
-    {
-      struct reg regs;
-
-      if (ptrace (PT_GETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
-       perror_with_name (_("Couldn't get registers"));
-
-      regcache->collect_regset (&arm_fbsd_gregset, regnum, &regs,
-                              sizeof (regs));
-
-      if (ptrace (PT_SETREGS, pid, (PTRACE_TYPE_ARG3) &regs, 0) == -1)
-       perror_with_name (_("Couldn't write registers"));
-    }
-
+  store_register_set<struct reg> (regcache, regnum, PT_GETREGS, PT_SETREGS,
+                                 &arm_fbsd_gregset);
 #ifdef PT_GETVFPREGS
-  if (regnum == -1 || getvfpregs_supplies (regnum))
-    {
-      struct vfpreg vfpregs;
-
-      if (ptrace (PT_GETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
-       perror_with_name (_("Couldn't get floating point status"));
-
-      regcache->collect_regset (&arm_fbsd_vfpregset, regnum, &vfpregs,
-                               sizeof (vfpregs));
+  store_register_set<struct vfpreg> (regcache, regnum, PT_GETVFPREGS,
+                                    PT_SETVFPREGS, &arm_fbsd_vfpregset);
+#endif
+#ifdef PT_GETREGSET
+  gdbarch *gdbarch = regcache->arch ();
+  arm_gdbarch_tdep *tdep = gdbarch_tdep<arm_gdbarch_tdep> (gdbarch);
 
-      if (ptrace (PT_SETVFPREGS, pid, (PTRACE_TYPE_ARG3) &vfpregs, 0) == -1)
-       perror_with_name (_("Couldn't write floating point status"));
+  if (tdep->tls_regnum > 0)
+    {
+      const struct regcache_map_entry arm_fbsd_tlsregmap[] =
+       {
+         { 1, tdep->tls_regnum, 4 },
+         { 0 }
+       };
+
+      const struct regset arm_fbsd_tlsregset =
+       {
+         arm_fbsd_tlsregmap,
+         regcache_supply_regset, regcache_collect_regset
+       };
+
+      store_regset<uint32_t> (regcache, regnum, NT_ARM_TLS, &arm_fbsd_tlsregset);
     }
 #endif
 }
@@ -136,8 +117,12 @@ const struct target_desc *
 arm_fbsd_nat_target::read_description ()
 {
   const struct target_desc *desc;
+  bool tls = false;
 
-  desc = arm_fbsd_read_description_auxv (this);
+#ifdef PT_GETREGSET
+  tls = have_regset (inferior_ptid, NT_ARM_TLS) != 0;
+#endif
+  desc = arm_fbsd_read_description_auxv (this, tls);
   if (desc == NULL)
     desc = this->beneath ()->read_description ();
   return desc;