#define ARCH_GET_GS 0x1004
#endif
+/* Linux target op definitions for the x86 architecture.
+ This is initialized assuming an amd64 target.
+ 'low_arch_setup' will correct it for i386 or amd64 targets. */
+
+class x86_target : public linux_process_target
+{
+public:
+
+ /* Update all the target description of all processes; a new GDB
+ connected, and it may or not support xml target descriptions. */
+ void update_xmltarget ();
+
+ const regs_info *get_regs_info () override;
+
+ const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
+
+protected:
+
+ void low_arch_setup () override;
+
+ bool low_cannot_fetch_register (int regno) override;
+
+ bool low_cannot_store_register (int regno) override;
+
+ bool low_supports_breakpoints () override;
+
+ CORE_ADDR low_get_pc (regcache *regcache) override;
+
+ void low_set_pc (regcache *regcache, CORE_ADDR newpc) override;
+};
+
+/* The singleton target ops object. */
+
+static x86_target the_x86_target;
+
/* Per-process arch-specific data we want to keep. */
struct arch_process_info
\f
-static int
-x86_cannot_store_register (int regno)
+bool
+x86_target::low_cannot_store_register (int regno)
{
#ifdef __x86_64__
if (is_64bit_tdesc ())
- return 0;
+ return false;
#endif
return regno >= I386_NUM_REGS;
}
-static int
-x86_cannot_fetch_register (int regno)
+bool
+x86_target::low_cannot_fetch_register (int regno)
{
#ifdef __x86_64__
if (is_64bit_tdesc ())
- return 0;
+ return false;
#endif
return regno >= I386_NUM_REGS;
NULL_REGSET
};
-static CORE_ADDR
-x86_get_pc (struct regcache *regcache)
+bool
+x86_target::low_supports_breakpoints ()
+{
+ return true;
+}
+
+CORE_ADDR
+x86_target::low_get_pc (regcache *regcache)
{
int use_64bit = register_size (regcache->tdesc, 0) == 8;
}
}
-static void
-x86_set_pc (struct regcache *regcache, CORE_ADDR pc)
+void
+x86_target::low_set_pc (regcache *regcache, CORE_ADDR pc)
{
int use_64bit = register_size (regcache->tdesc, 0) == 8;
/* Update all the target description of all processes; a new GDB
connected, and it may or not support xml target descriptions. */
-static void
-x86_linux_update_xmltarget (void)
+void
+x86_target::update_xmltarget ()
{
struct thread_info *saved_thread = current_thread;
release the current regcache objects. */
regcache_release ();
- for_each_process ([] (process_info *proc) {
+ for_each_process ([this] (process_info *proc) {
int pid = proc->pid;
/* Look up any thread of this process. */
current_thread = find_any_thread_of_pid (pid);
- the_low_target.arch_setup ();
+ low_arch_setup ();
});
current_thread = saved_thread;
free (copy);
}
}
- x86_linux_update_xmltarget ();
+ the_x86_target.update_xmltarget ();
}
/* Common for x86/x86-64. */
&x86_regsets_info
};
-static const struct regs_info *
-x86_linux_regs_info (void)
+const regs_info *
+x86_target::get_regs_info ()
{
#ifdef __x86_64__
if (is_64bit_tdesc ())
/* Initialize the target description for the architecture of the
inferior. */
-static void
-x86_arch_setup (void)
+void
+x86_target::low_arch_setup ()
{
current_process ()->tdesc = x86_linux_read_description ();
}
return &i386_emit_ops;
}
-/* Implementation of linux_target_ops method "sw_breakpoint_from_kind". */
+/* Implementation of target ops method "sw_breakpoint_from_kind". */
-static const gdb_byte *
-x86_sw_breakpoint_from_kind (int kind, int *size)
+const gdb_byte *
+x86_target::sw_breakpoint_from_kind (int kind, int *size)
{
*size = x86_breakpoint_len;
return x86_breakpoint;
struct linux_target_ops the_low_target =
{
- x86_arch_setup,
- x86_linux_regs_info,
- x86_cannot_fetch_register,
- x86_cannot_store_register,
- NULL, /* fetch_register */
- x86_get_pc,
- x86_set_pc,
- NULL, /* breakpoint_kind_from_pc */
- x86_sw_breakpoint_from_kind,
NULL,
1,
x86_breakpoint_at,
x86_emit_ops,
x86_get_min_fast_tracepoint_insn_len,
x86_supports_range_stepping,
- NULL, /* breakpoint_kind_from_current_state */
x86_supports_hardware_single_step,
x86_get_syscall_trapinfo,
x86_get_ipa_tdesc_idx,
};
+/* The linux target ops object. */
+
+linux_process_target *the_linux_target = &the_x86_target;
+
void
initialize_low_arch (void)
{