gdb: add target_ops::supports_displaced_step

[deliverable/binutils-gdb.git] / gdb / sparc-sol2-tdep.c

diff --git a/gdb/sparc-sol2-tdep.c b/gdb/sparc-sol2-tdep.c
index 7a7d3eb5da701faed8eb0938ca71a6afceebde0f..2df66d512cef6b9e18513b219a46bdb8f222c4e6 100644 (file)
--- a/gdb/sparc-sol2-tdep.c
+++ b/gdb/sparc-sol2-tdep.c
@@ -1,6 +1,6 @@
 /* Target-dependent code for Solaris SPARC.
 
-   Copyright (C) 2003-2014 Free Software Foundation, Inc.
+   Copyright (C) 2003-2020 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -25,6 +25,7 @@
 #include "objfiles.h"
 #include "osabi.h"
 #include "regcache.h"
+#include "regset.h"
 #include "target.h"
 #include "trad-frame.h"
 
@@ -50,6 +51,52 @@ const struct sparc_fpregmap sparc32_sol2_fpregmap =
   0 * 4,                       /* %f0 */
   33 * 4,                      /* %fsr */
 };
+
+static void
+sparc32_sol2_supply_core_gregset (const struct regset *regset,
+                                 struct regcache *regcache,
+                                 int regnum, const void *gregs, size_t len)
+{
+  sparc32_supply_gregset (&sparc32_sol2_gregmap, regcache, regnum, gregs);
+}
+
+static void
+sparc32_sol2_collect_core_gregset (const struct regset *regset,
+                                  const struct regcache *regcache,
+                                  int regnum, void *gregs, size_t len)
+{
+  sparc32_collect_gregset (&sparc32_sol2_gregmap, regcache, regnum, gregs);
+}
+
+static void
+sparc32_sol2_supply_core_fpregset (const struct regset *regset,
+                                  struct regcache *regcache,
+                                  int regnum, const void *fpregs, size_t len)
+{
+  sparc32_supply_fpregset (&sparc32_sol2_fpregmap, regcache, regnum, fpregs);
+}
+
+static void
+sparc32_sol2_collect_core_fpregset (const struct regset *regset,
+                                   const struct regcache *regcache,
+                                   int regnum, void *fpregs, size_t len)
+{
+  sparc32_collect_fpregset (&sparc32_sol2_fpregmap, regcache, regnum, fpregs);
+}
+
+static const struct regset sparc32_sol2_gregset =
+  {
+    NULL,
+    sparc32_sol2_supply_core_gregset,
+    sparc32_sol2_collect_core_gregset
+  };
+
+static const struct regset sparc32_sol2_fpregset =
+  {
+    NULL,
+    sparc32_sol2_supply_core_fpregset,
+    sparc32_sol2_collect_core_fpregset
+  };
 \f
 
 /* The Solaris signal trampolines reside in libc.  For normal signals,
@@ -85,7 +132,7 @@ sparc32_sol2_sigtramp_frame_cache (struct frame_info *this_frame,
   int regnum;
 
   if (*this_cache)
-    return *this_cache;
+    return (struct sparc_frame_cache *) *this_cache;
 
   cache = sparc_frame_cache (this_frame, this_cache);
   gdb_assert (cache == *this_cache);
@@ -176,7 +223,7 @@ static const struct frame_unwind sparc32_sol2_sigtramp_frame_unwind =
 
 /* Unglobalize NAME.  */
 
-const const char *
+const char *
 sparc_sol2_static_transform_name (const char *name)
 {
   /* The Sun compilers (Sun ONE Studio, Forte Developer, Sun WorkShop,
@@ -187,17 +234,17 @@ sparc_sol2_static_transform_name (const char *name)
      globalization prefix is followed by the function name (nested
      static variables within a function are supposed to generate a
      warning message, and are left alone).  The procedure is
-     documented in the Stabs Interface Manual, which is distrubuted
+     documented in the Stabs Interface Manual, which is distributed
      with the compilers, although version 4.0 of the manual seems to
      be incorrect in some places, at least for SPARC.  The
      globalization prefix is encoded into an N_OPT stab, with the form
      "G=<prefix>".  The globalization prefix always seems to start
-     with a dollar sign '$'; a dot '.' is used as a seperator.  So we
+     with a dollar sign '$'; a dot '.' is used as a separator.  So we
      simply strip everything up until the last dot.  */
 
   if (name[0] == '$')
     {
-      char *p = strrchr (name, '.');
+      const char *p = strrchr (name, '.');
       if (p)
         return p + 1;
     }
@@ -211,6 +258,12 @@ sparc32_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
+  tdep->gregset = &sparc32_sol2_gregset;
+  tdep->sizeof_gregset = 152;
+
+  tdep->fpregset = &sparc32_sol2_fpregset;
+  tdep->sizeof_fpregset = 400;
+
   /* The Sun compilers (Sun ONE Studio, Forte Developer, Sun WorkShop, SunPRO)
      compiler puts out 0 instead of the address in N_SO stabs.  Starting with
      SunPRO 3.0, the compiler does this for N_FUN stabs too.  */
@@ -239,13 +292,10 @@ sparc32_sol2_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   /* How to print LWP PTIDs from core files.  */
   set_gdbarch_core_pid_to_str (gdbarch, sol2_core_pid_to_str);
 }
-\f
-
-/* Provide a prototype to silence -Wmissing-prototypes.  */
-void _initialize_sparc_sol2_tdep (void);
 
+void _initialize_sparc_sol2_tdep ();
 void
-_initialize_sparc_sol2_tdep (void)
+_initialize_sparc_sol2_tdep ()
 {
   gdbarch_register_osabi (bfd_arch_sparc, 0,
                          GDB_OSABI_SOLARIS, sparc32_sol2_init_abi);