-/* Copyright (C) 2012-2017 Free Software Foundation, Inc.
+/* Copyright (C) 2012-2020 Free Software Foundation, Inc.
This file is part of GDB.
#include "tdesc.h"
#include "regdef.h"
-void
-init_target_desc (struct target_desc *tdesc)
+#ifndef IN_PROCESS_AGENT
+
+target_desc::~target_desc ()
{
- int offset, i;
- struct reg *reg;
+ xfree ((char *) arch);
+ xfree ((char *) osabi);
+}
- offset = 0;
- for (i = 0; VEC_iterate (tdesc_reg_p, tdesc->reg_defs, i, reg); i++)
+bool target_desc::operator== (const target_desc &other) const
+{
+ if (reg_defs != other.reg_defs)
+ return false;
+
+ /* Compare expedite_regs. */
+ int i = 0;
+ for (; expedite_regs[i] != NULL; i++)
{
- reg->offset = offset;
- offset += reg->size;
+ if (strcmp (expedite_regs[i], other.expedite_regs[i]) != 0)
+ return false;
}
+ if (other.expedite_regs[i] != NULL)
+ return false;
+
+ return true;
+}
+
+#endif
+
+void target_desc::accept (tdesc_element_visitor &v) const
+{
+#ifndef IN_PROCESS_AGENT
+ v.visit_pre (this);
+
+ for (const tdesc_feature_up &feature : features)
+ feature->accept (v);
+
+ v.visit_post (this);
+#endif
+}
+
+void
+init_target_desc (struct target_desc *tdesc,
+ const char **expedite_regs)
+{
+ int offset = 0;
+
+ /* Go through all the features and populate reg_defs. */
+ for (const tdesc_feature_up &feature : tdesc->features)
+ for (const tdesc_reg_up &treg : feature->registers)
+ {
+ int regnum = treg->target_regnum;
+
+ /* Register number will increase (possibly with gaps) or be zero. */
+ gdb_assert (regnum == 0 || regnum >= tdesc->reg_defs.size ());
+
+ if (regnum != 0)
+ tdesc->reg_defs.resize (regnum, reg (offset));
+
+ tdesc->reg_defs.emplace_back (treg->name.c_str (), offset,
+ treg->bitsize);
+ offset += treg->bitsize;
+ }
tdesc->registers_size = offset / 8;
/* Make sure PBUFSIZ is large enough to hold a full register
packet. */
gdb_assert (2 * tdesc->registers_size + 32 <= PBUFSIZ);
+
+#ifndef IN_PROCESS_AGENT
+ tdesc->expedite_regs = expedite_regs;
+#endif
+}
+
+struct target_desc *
+allocate_target_description (void)
+{
+ return new target_desc ();
}
#ifndef IN_PROCESS_AGENT
return current_process ()->tdesc;
}
-#endif
-
-struct tdesc_type
-{};
-
-/* See arch/tdesc.h. */
-
-struct tdesc_feature *
-tdesc_create_feature (struct target_desc *tdesc, const char *name)
-{
- return tdesc;
-}
-/* See arch/tdesc.h. */
+/* See gdbsupport/tdesc.h. */
-struct tdesc_type *
-tdesc_create_flags (struct tdesc_feature *feature, const char *name,
- int size)
+const char *
+tdesc_architecture_name (const struct target_desc *target_desc)
{
- return NULL;
+ return target_desc->arch;
}
-/* See arch/tdesc.h. */
+/* See gdbsupport/tdesc.h. */
void
-tdesc_add_flag (struct tdesc_type *type, int start,
- const char *flag_name)
-{}
-
-/* See arch/tdesc.h. */
-
-struct tdesc_type *
-tdesc_named_type (const struct tdesc_feature *feature, const char *id)
+set_tdesc_architecture (struct target_desc *target_desc,
+ const char *name)
{
- return NULL;
+ target_desc->arch = xstrdup (name);
}
-/* See arch/tdesc.h. */
+/* See gdbsupport/tdesc.h. */
-struct tdesc_type *
-tdesc_create_union (struct tdesc_feature *feature, const char *id)
+const char *
+tdesc_osabi_name (const struct target_desc *target_desc)
{
- return NULL;
+ return target_desc->osabi;
}
-/* See arch/tdesc.h. */
+/* See gdbsupport/tdesc.h. */
-struct tdesc_type *
-tdesc_create_struct (struct tdesc_feature *feature, const char *id)
+void
+set_tdesc_osabi (struct target_desc *target_desc, const char *name)
{
- return NULL;
+ target_desc->osabi = xstrdup (name);
}
-/* See arch/tdesc.h. */
+/* See gdbsupport/tdesc.h. */
-void
-tdesc_create_reg (struct tdesc_feature *feature, const char *name,
- int regnum, int save_restore, const char *group,
- int bitsize, const char *type)
+const char *
+tdesc_get_features_xml (const target_desc *tdesc)
{
- struct target_desc *tdesc = (struct target_desc *) feature;
+ /* Either .xmltarget or .features is not NULL. */
+ gdb_assert (tdesc->xmltarget != NULL
+ || (!tdesc->features.empty ()
+ && tdesc->arch != NULL));
- while (VEC_length (tdesc_reg_p, tdesc->reg_defs) < regnum)
+ if (tdesc->xmltarget == NULL)
{
- struct reg *reg = XCNEW (struct reg);
-
- reg->name = "";
- reg->size = 0;
- VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg);
+ std::string buffer ("@");
+ print_xml_feature v (&buffer);
+ tdesc->accept (v);
+ tdesc->xmltarget = xstrdup (buffer.c_str ());
}
- gdb_assert (regnum == 0
- || regnum == VEC_length (tdesc_reg_p, tdesc->reg_defs));
-
- struct reg *reg = XCNEW (struct reg);
-
- reg->name = name;
- reg->size = bitsize;
- VEC_safe_push (tdesc_reg_p, tdesc->reg_defs, reg);
+ return tdesc->xmltarget;
}
+#endif
-/* See arch/tdesc.h. */
+/* See gdbsupport/tdesc.h. */
-struct tdesc_type *
-tdesc_create_vector (struct tdesc_feature *feature, const char *name,
- struct tdesc_type *field_type, int count)
+struct tdesc_feature *
+tdesc_create_feature (struct target_desc *tdesc, const char *name)
{
- return NULL;
+ struct tdesc_feature *new_feature = new tdesc_feature (name);
+ tdesc->features.emplace_back (new_feature);
+ return new_feature;
}
-void
-tdesc_add_bitfield (struct tdesc_type *type, const char *field_name,
- int start, int end)
-{}
-
-/* See arch/tdesc.h. */
+/* See gdbsupport/tdesc.h. */
-void
-tdesc_add_field (struct tdesc_type *type, const char *field_name,
- struct tdesc_type *field_type)
-{}
+bool
+tdesc_contains_feature (const target_desc *tdesc, const std::string &feature)
+{
+ gdb_assert (tdesc != nullptr);
-/* See arch/tdesc.h. */
+ for (const tdesc_feature_up &f : tdesc->features)
+ {
+ if (f->name == feature)
+ return true;
+ }
-void
-tdesc_set_struct_size (struct tdesc_type *type, int size)
-{
+ return false;
}
projects / deliverable / binutils-gdb.git / blobdiff