gdb: make remote target clear its handler in remote_target::wait

[deliverable/binutils-gdb.git] / bfd / cpu-riscv.c

diff --git a/bfd/cpu-riscv.c b/bfd/cpu-riscv.c
index 22067ab29bec74c1e1f5660370163be9a739273a..eec61b401c0359aa385ee868383189e348c7ce0d 100644 (file)
--- a/bfd/cpu-riscv.c
+++ b/bfd/cpu-riscv.c
@@ -1,5 +1,5 @@
 /* BFD backend for RISC-V
-   Copyright (C) 2011-2020 Free Software Foundation, Inc.
+   Copyright (C) 2011-2021 Free Software Foundation, Inc.
 
    Contributed by Andrew Waterman (andrew@sifive.com).
    Based on MIPS target.
@@ -23,6 +23,86 @@
 #include "sysdep.h"
 #include "bfd.h"
 #include "libbfd.h"
+#include "elfxx-riscv.h"
+
+/* Record the priv spec version string and the corresponding class.  */
+
+struct priv_spec_t
+{
+  const char *name;
+  enum riscv_priv_spec_class class;
+};
+
+/* List for all supported privilege versions.  */
+
+static const struct priv_spec_t priv_specs[] =
+{
+  {"1.9.1", PRIV_SPEC_CLASS_1P9P1},
+  {"1.10",  PRIV_SPEC_CLASS_1P10},
+  {"1.11",  PRIV_SPEC_CLASS_1P11},
+
+/* Terminate the list.  */
+  {NULL, 0}
+};
+
+/* Get the corresponding CSR version class by giving a privilege
+   version string.  */
+
+int
+riscv_get_priv_spec_class (const char *s,
+                          enum riscv_priv_spec_class *class)
+{
+  const struct priv_spec_t *version;
+
+  if (s == NULL)
+    return 0;
+
+  for (version = &priv_specs[0]; version->name != NULL; ++version)
+    if (strcmp (version->name, s) == 0)
+      {
+       *class = version->class;
+       return 1;
+      }
+
+  /* Can not find the supported privilege version.  */
+  return 0;
+}
+
+/* Get the corresponding CSR version class by giving privilege
+   version numbers.  It is usually used to convert the priv
+   attribute numbers into the corresponding class.  */
+
+int
+riscv_get_priv_spec_class_from_numbers (unsigned int major,
+                                       unsigned int minor,
+                                       unsigned int revision,
+                                       enum riscv_priv_spec_class *class)
+{
+  char buf[36];
+
+  if (major == 0 && minor == 0 && revision == 0)
+    {
+      *class = PRIV_SPEC_CLASS_NONE;
+      return 1;
+    }
+
+  if (revision != 0)
+    snprintf (buf, sizeof (buf), "%u.%u.%u", major, minor, revision);
+  else
+    snprintf (buf, sizeof (buf), "%u.%u", major, minor);
+
+  return riscv_get_priv_spec_class (buf, class);
+}
+
+/* Get the corresponding privilege version string by giving a CSR
+   version class.  */
+
+const char *
+riscv_get_priv_spec_name (enum riscv_priv_spec_class class)
+{
+  /* The first enum is PRIV_SPEC_CLASS_NONE.  */
+  return priv_specs[class - 1].name;
+}
 
 /* This routine is provided two arch_infos and returns an arch_info
    that is compatible with both, or NULL if none exists.  */