-/* Target dependent code for ARC arhitecture, for GDB.
+/* Target dependent code for ARC architecture, for GDB.
- Copyright 2005-2019 Free Software Foundation, Inc.
+ Copyright 2005-2020 Free Software Foundation, Inc.
Contributed by Synopsys Inc.
This file is part of GDB.
#include "defs.h"
#include "arch-utils.h"
#include "disasm.h"
-#include "dwarf2-frame.h"
+#include "dwarf2/frame.h"
#include "frame-base.h"
#include "frame-unwind.h"
#include "gdbcore.h"
#include "gdbcmd.h"
#include "objfiles.h"
+#include "osabi.h"
#include "prologue-value.h"
+#include "target-descriptions.h"
#include "trad-frame.h"
/* ARC header files. */
#include "opcode/arc.h"
-#include "../opcodes/arc-dis.h"
+#include "opcodes/arc-dis.h"
#include "arc-tdep.h"
+#include "arch/arc.h"
/* Standard headers. */
#include <algorithm>
-/* Default target descriptions. */
-#include "features/arc-v2.c"
-#include "features/arc-arcompact.c"
-
/* The frame unwind cache for ARC. */
struct arc_frame_cache
static char *arc_disassembler_options = NULL;
+/* Possible arc target descriptors. */
+static struct target_desc *tdesc_arc_list[ARC_SYS_TYPE_NUM];
+
/* Functions are sorted in the order as they are used in the
_initialize_arc_tdep (), which uses the same order as gdbarch.h. Static
functions are defined before the first invocation. */
/* Get register with base address of memory operation. */
-int
+static int
arc_insn_get_memory_base_reg (const struct arc_instruction &insn)
{
/* POP_S and PUSH_S have SP as an implicit argument in a disassembler. */
/* Get offset of a memory operation INSN. */
-CORE_ADDR
+static CORE_ADDR
arc_insn_get_memory_offset (const struct arc_instruction &insn)
{
/* POP_S and PUSH_S have offset as an implicit argument in a
/* Dump INSN into gdb_stdlog. */
-void
+static void
arc_insn_dump (const struct arc_instruction &insn)
{
struct gdbarch *gdbarch = target_gdbarch ();
function passes a hidden first parameter to the callee (in R0). That
parameter is the address at which the value being returned should be
stored. Otherwise, the result is returned in registers. */
- int is_struct_return = (TYPE_CODE (valtype) == TYPE_CODE_STRUCT
- || TYPE_CODE (valtype) == TYPE_CODE_UNION
+ int is_struct_return = (valtype->code () == TYPE_CODE_STRUCT
+ || valtype->code () == TYPE_CODE_UNION
|| TYPE_LENGTH (valtype) > 2 * ARC_REGISTER_SIZE);
if (arc_debug)
/* Store of some register. May or may not update base address register. */
if (insn.insn_class == STORE || insn.insn_class == PUSH)
{
- /* There is definetely at least one operand - register/value being
+ /* There is definitely at least one operand - register/value being
stored. */
gdb_assert (insn.operands_count > 0);
If CACHE is not NULL, then it will be filled with information about saved
registers.
- There are several variations of prologue which GDB may encouter. "Full"
+ There are several variations of prologue which GDB may encounter. "Full"
prologue looks like this:
sub sp,sp,<imm> ; Space for variadic arguments.
store, that doesn't update SP. Like this:
- sub sp,sp,8 ; Create space for calee-saved registers.
+ sub sp,sp,8 ; Create space for callee-saved registers.
st r13,[sp,4] ; Store callee saved registers (up to R26/GP).
st r14,[sp,0]
int
arc_delayed_print_insn (bfd_vma addr, struct disassemble_info *info)
{
- /* Standard BFD "machine number" field allows libocodes disassembler to
+ /* Standard BFD "machine number" field allows libopcodes disassembler to
distinguish ARC 600, 700 and v2 cores, however v2 encompasses both ARC EM
and HS, which have some difference between. There are two ways to specify
what is the target core:
const char *const *core_regs;
const char *core_feature_name;
- /* If target doesn't provide a description - use default one. */
+ /* If target doesn't provide a description, use the default ones. */
if (!tdesc_has_registers (tdesc_loc))
{
if (is_arcv2)
- {
- tdesc_loc = tdesc_arc_v2;
- if (arc_debug)
- debug_printf ("arc: Using default register set for ARC v2.\n");
- }
+ tdesc_loc = arc_read_description (ARC_SYS_TYPE_ARCV2);
else
- {
- tdesc_loc = tdesc_arc_arcompact;
- if (arc_debug)
- debug_printf ("arc: Using default register set for ARCompact.\n");
- }
+ tdesc_loc = arc_read_description (ARC_SYS_TYPE_ARCOMPACT);
}
else
{
}
}
- /* Mandatory AUX registeres are intentionally few and are common between
+ /* Mandatory AUX registers are intentionally few and are common between
ARCompact and ARC v2, so same code can be used for both. */
feature = tdesc_find_feature (tdesc_loc, aux_minimal_feature_name);
if (feature == NULL)
static ULONGEST
arc_type_align (struct gdbarch *gdbarch, struct type *type)
{
- switch (TYPE_CODE (type))
+ switch (type->code ())
{
case TYPE_CODE_PTR:
case TYPE_CODE_FUNC:
fprintf_unfiltered (file, "arc_dump_tdep: jb_pc = %i\n", tdep->jb_pc);
}
-/* Wrapper for "maintenance print arc" list of commands. */
-
-static void
-maintenance_print_arc_command (const char *args, int from_tty)
-{
- cmd_show_list (maintenance_print_arc_list, from_tty, "");
-}
-
/* This command accepts single argument - address of instruction to
disassemble. */
arc_insn_dump (insn);
}
+/* See arc-tdep.h. */
+
+const target_desc *
+arc_read_description (arc_sys_type sys_type)
+{
+ if (arc_debug)
+ debug_printf ("arc: Reading target description for \"%s\".\n",
+ arc_sys_type_to_str (sys_type));
+
+ gdb_assert ((sys_type >= 0) && (sys_type < ARC_SYS_TYPE_NUM));
+ struct target_desc *tdesc = tdesc_arc_list[sys_type];
+
+ if (tdesc == nullptr)
+ {
+ tdesc = arc_create_target_description (sys_type);
+ tdesc_arc_list[sys_type] = tdesc;
+
+ if (arc_debug)
+ {
+ const char *arch = tdesc_architecture_name (tdesc);
+ const char *abi = tdesc_osabi_name (tdesc);
+ arch = arch != NULL ? arch : "";
+ abi = abi != NULL ? abi : "";
+ debug_printf ("arc: Created target description for "
+ "\"%s\": arch=\"%s\", ABI=\"%s\"\n",
+ arc_sys_type_to_str (sys_type), arch, abi);
+ }
+ }
+
+ return tdesc;
+}
+
+void _initialize_arc_tdep ();
void
-_initialize_arc_tdep (void)
+_initialize_arc_tdep ()
{
gdbarch_register (bfd_arch_arc, arc_gdbarch_init, arc_dump_tdep);
- initialize_tdesc_arc_v2 ();
- initialize_tdesc_arc_arcompact ();
-
/* Register ARC-specific commands with gdb. */
/* Add root prefix command for "maintenance print arc" commands. */
- add_prefix_cmd ("arc", class_maintenance, maintenance_print_arc_command,
- _("ARC-specific maintenance commands for printing GDB "
- "internal state."),
- &maintenance_print_arc_list, "maintenance print arc ", 0,
- &maintenanceprintlist);
+ add_show_prefix_cmd ("arc", class_maintenance,
+ _("ARC-specific maintenance commands for printing GDB "
+ "internal state."),
+ &maintenance_print_arc_list, "maintenance print arc ",
+ 0, &maintenanceprintlist);
add_cmd ("arc-instruction", class_maintenance,
dump_arc_instruction_command,
projects / deliverable / binutils-gdb.git / blobdiff