/* Forward declarations. */
struct gdbarch;
struct regset;
+struct address_space;
/* Register numbers of various important registers. */
enum struct_return struct_return;
/* Cached core file helpers. */
- struct regset *gregset, *fpregset;
+ struct regset *gregset, *fpregset, *vfpregset;
/* ISA-specific data types. */
struct type *arm_ext_type;
{
/* If non-NULL, override generic SVC handling (e.g. for a particular
OS). */
- int (*copy_svc_os) (struct gdbarch *gdbarch, uint32_t insn, CORE_ADDR to,
- struct regcache *regs,
+ int (*copy_svc_os) (struct gdbarch *gdbarch, struct regcache *regs,
struct displaced_step_closure *dsc);
} svc;
} u;
+
+ /* The size of original instruction, 2 or 4. */
+ unsigned int insn_size;
+ /* True if the original insn (and thus all replacement insns) are Thumb
+ instead of ARM. */
+ unsigned int is_thumb;
+
+ /* The slots in the array is used in this way below,
+ - ARM instruction occupies one slot,
+ - Thumb 16 bit instruction occupies one slot,
+ - Thumb 32-bit instruction occupies *two* slots, one part for each. */
unsigned long modinsn[DISPLACED_MODIFIED_INSNS];
int numinsns;
CORE_ADDR insn_addr;
arm_displaced_init_closure (struct gdbarch *gdbarch, CORE_ADDR from,
CORE_ADDR to, struct displaced_step_closure *dsc);
extern ULONGEST
- displaced_read_reg (struct regcache *regs, CORE_ADDR from, int regno);
+ displaced_read_reg (struct regcache *regs, struct displaced_step_closure *dsc,
+ int regno);
extern void
displaced_write_reg (struct regcache *regs,
struct displaced_step_closure *dsc, int regno,
CORE_ADDR arm_skip_stub (struct frame_info *, CORE_ADDR);
CORE_ADDR arm_get_next_pc (struct frame_info *, CORE_ADDR);
+void arm_insert_single_step_breakpoint (struct gdbarch *,
+ struct address_space *, CORE_ADDR);
int arm_software_single_step (struct frame_info *);
int arm_frame_is_thumb (struct frame_info *frame);
struct displaced_step_closure *,
CORE_ADDR, CORE_ADDR, struct regcache *);
+/* Return the bit mask in ARM_PS_REGNUM that indicates Thumb mode. */
+extern int arm_psr_thumb_bit (struct gdbarch *);
+
/* Is the instruction at the given memory address a Thumb or ARM
instruction? */
extern int arm_pc_is_thumb (struct gdbarch *, CORE_ADDR);
armbsd_regset_from_core_section (struct gdbarch *gdbarch,
const char *sect_name, size_t sect_size);
+/* Target descriptions. */
+extern struct target_desc *tdesc_arm_with_m;
+extern struct target_desc *tdesc_arm_with_iwmmxt;
+extern struct target_desc *tdesc_arm_with_vfpv2;
+extern struct target_desc *tdesc_arm_with_vfpv3;
+extern struct target_desc *tdesc_arm_with_neon;
+
#endif /* arm-tdep.h */