{
public:
+ const regs_info *get_regs_info () override;
+
+ int breakpoint_kind_from_pc (CORE_ADDR *pcptr) override;
+
+ int breakpoint_kind_from_current_state (CORE_ADDR *pcptr) override;
+
+ const gdb_byte *sw_breakpoint_from_kind (int kind, int *size) override;
+
+ bool supports_software_single_step () override;
+
+ bool supports_z_point_type (char z_type) 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;
+
+ std::vector<CORE_ADDR> low_get_next_pcs (regcache *regcache) override;
+
+ bool low_breakpoint_at (CORE_ADDR pc) override;
+
+ int low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp) override;
+
+ int low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
+ int size, raw_breakpoint *bp) override;
+
+ bool low_stopped_by_watchpoint () override;
+
+ CORE_ADDR low_stopped_data_address () override;
};
/* The singleton target ops object. */
static arm_target the_arm_target;
+bool
+arm_target::low_supports_breakpoints ()
+{
+ return true;
+}
+
+CORE_ADDR
+arm_target::low_get_pc (regcache *regcache)
+{
+ return linux_get_pc_32bit (regcache);
+}
+
+void
+arm_target::low_set_pc (regcache *regcache, CORE_ADDR pc)
+{
+ linux_set_pc_32bit (regcache, pc);
+}
+
+int
+arm_target::breakpoint_kind_from_pc (CORE_ADDR *pcptr)
+{
+ return arm_breakpoint_kind_from_pc (pcptr);
+}
+
+int
+arm_target::breakpoint_kind_from_current_state (CORE_ADDR *pcptr)
+{
+ return arm_breakpoint_kind_from_current_state (pcptr);
+}
+
+const gdb_byte *
+arm_target::sw_breakpoint_from_kind (int kind, int *size)
+{
+ return arm_sw_breakpoint_from_kind (kind, size);
+}
+
+bool
+arm_target::low_breakpoint_at (CORE_ADDR pc)
+{
+ return arm_breakpoint_at (pc);
+}
+
/* Information describing the hardware breakpoint capabilities. */
static struct
{
arm_linux_get_next_pcs_fixup,
};
-static int
-arm_cannot_store_register (int regno)
+bool
+arm_target::low_cannot_store_register (int regno)
{
return (regno >= arm_num_regs);
}
-static int
-arm_cannot_fetch_register (int regno)
+bool
+arm_target::low_cannot_fetch_register (int regno)
{
return (regno >= arm_num_regs);
}
linux_stop_lwp (lwp);
}
-static int
-arm_supports_z_point_type (char z_type)
+bool
+arm_target::supports_z_point_type (char z_type)
{
switch (z_type)
{
case Z_PACKET_WRITE_WP:
case Z_PACKET_READ_WP:
case Z_PACKET_ACCESS_WP:
- return 1;
+ return true;
default:
/* Leave the handling of sw breakpoints with the gdb client. */
- return 0;
+ return false;
}
}
/* Insert hardware break-/watchpoint. */
-static int
-arm_insert_point (enum raw_bkpt_type type, CORE_ADDR addr,
- int len, struct raw_breakpoint *bp)
+int
+arm_target::low_insert_point (raw_bkpt_type type, CORE_ADDR addr,
+ int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arm_linux_hw_breakpoint p, *pts;
}
/* Remove hardware break-/watchpoint. */
-static int
-arm_remove_point (enum raw_bkpt_type type, CORE_ADDR addr,
- int len, struct raw_breakpoint *bp)
+int
+arm_target::low_remove_point (raw_bkpt_type type, CORE_ADDR addr,
+ int len, raw_breakpoint *bp)
{
struct process_info *proc = current_process ();
struct arm_linux_hw_breakpoint p, *pts;
}
/* Return whether current thread is stopped due to a watchpoint. */
-static int
-arm_stopped_by_watchpoint (void)
+bool
+arm_target::low_stopped_by_watchpoint ()
{
struct lwp_info *lwp = get_thread_lwp (current_thread);
siginfo_t siginfo;
/* We must be able to set hardware watchpoints. */
if (arm_linux_get_hw_watchpoint_count () == 0)
- return 0;
+ return false;
/* Retrieve siginfo. */
errno = 0;
ptrace (PTRACE_GETSIGINFO, lwpid_of (current_thread), 0, &siginfo);
if (errno != 0)
- return 0;
+ return false;
/* This must be a hardware breakpoint. */
if (siginfo.si_signo != SIGTRAP
|| (siginfo.si_code & 0xffff) != 0x0004 /* TRAP_HWBKPT */)
- return 0;
+ return false;
/* If we are in a positive slot then we're looking at a breakpoint and not
a watchpoint. */
if (siginfo.si_errno >= 0)
- return 0;
+ return false;
/* Cache stopped data address for use by arm_stopped_data_address. */
lwp->arch_private->stopped_data_address
= (CORE_ADDR) (uintptr_t) siginfo.si_addr;
- return 1;
+ return true;
}
/* Return data address that triggered watchpoint. Called only if
- arm_stopped_by_watchpoint returned true. */
-static CORE_ADDR
-arm_stopped_data_address (void)
+ low_stopped_by_watchpoint returned true. */
+CORE_ADDR
+arm_target::low_stopped_data_address ()
{
struct lwp_info *lwp = get_thread_lwp (current_thread);
return lwp->arch_private->stopped_data_address;
have_ptrace_getregset = 0;
}
+bool
+arm_target::supports_software_single_step ()
+{
+ return true;
+}
+
/* Fetch the next possible PCs after the current instruction executes. */
-static std::vector<CORE_ADDR>
-arm_gdbserver_get_next_pcs (struct regcache *regcache)
+std::vector<CORE_ADDR>
+arm_target::low_get_next_pcs (regcache *regcache)
{
struct arm_get_next_pcs next_pcs_ctx;
&arm_regsets_info
};
-static const struct regs_info *
-arm_regs_info (void)
+const regs_info *
+arm_target::get_regs_info ()
{
const struct target_desc *tdesc = current_process ()->tdesc;
}
struct linux_target_ops the_low_target = {
- arm_regs_info,
- arm_cannot_fetch_register,
- arm_cannot_store_register,
- NULL, /* fetch_register */
- linux_get_pc_32bit,
- linux_set_pc_32bit,
- arm_breakpoint_kind_from_pc,
- arm_sw_breakpoint_from_kind,
- arm_gdbserver_get_next_pcs,
- 0,
- arm_breakpoint_at,
- arm_supports_z_point_type,
- arm_insert_point,
- arm_remove_point,
- arm_stopped_by_watchpoint,
- arm_stopped_data_address,
- NULL, /* collect_ptrace_register */
- NULL, /* supply_ptrace_register */
- NULL, /* siginfo_fixup */
arm_new_process,
arm_delete_process,
arm_new_thread,
NULL, /* emit_ops */
NULL, /* get_min_fast_tracepoint_insn_len */
NULL, /* supports_range_stepping */
- arm_breakpoint_kind_from_current_state,
arm_supports_hardware_single_step,
arm_get_syscall_trapinfo,
};