/* Common target dependent code for GDB on ARM systems.
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
This file is part of GDB.
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
+#ifndef ARM_TDEP_H
+#define ARM_TDEP_H
+
/* Forward declarations. */
+struct gdbarch;
struct regset;
-/* Register numbers of various important registers. Note that some of
- these values are "real" register numbers, and correspond to the
- general registers of the machine, and some are "phony" register
- numbers which are too large to be actual register numbers as far as
- the user is concerned but do serve to get the desired values when
- passed to read_register. */
+/* Register numbers of various important registers. */
enum gdb_regnum {
ARM_A1_REGNUM = 0, /* first integer-like argument */
ARM_F7_REGNUM = 23, /* last floating point register */
ARM_FPS_REGNUM = 24, /* floating point status register */
ARM_PS_REGNUM = 25, /* Contains processor status */
+ ARM_WR0_REGNUM, /* WMMX data registers. */
+ ARM_WR15_REGNUM = ARM_WR0_REGNUM + 15,
+ ARM_WC0_REGNUM, /* WMMX control registers. */
+ ARM_WCSSF_REGNUM = ARM_WC0_REGNUM + 2,
+ ARM_WCASF_REGNUM = ARM_WC0_REGNUM + 3,
+ ARM_WC7_REGNUM = ARM_WC0_REGNUM + 7,
+ ARM_WCGR0_REGNUM, /* WMMX general purpose registers. */
+ ARM_WCGR3_REGNUM = ARM_WCGR0_REGNUM + 3,
+ ARM_WCGR7_REGNUM = ARM_WCGR0_REGNUM + 7,
+
+ ARM_NUM_REGS,
+
+ /* Other useful registers. */
ARM_FP_REGNUM = 11, /* Frame register in ARM code, if used. */
THUMB_FP_REGNUM = 7, /* Frame register in Thumb code, if used. */
ARM_NUM_ARG_REGS = 4,
ARM_ABI_LAST
};
+/* Convention for returning structures. */
+
+enum struct_return
+{
+ pcc_struct_return, /* Return "short" structures in memory. */
+ reg_struct_return /* Return "short" structures in registers. */
+};
+
/* Target-dependent structure in gdbarch. */
struct gdbarch_tdep
{
enum arm_float_model fp_model; /* Floating point calling conventions. */
+ int have_fpa_registers; /* Does the target report the FPA registers? */
+
CORE_ADDR lowest_pc; /* Lowest address at which instructions
will appear. */
will be disabled. */
size_t jb_elt_size; /* And the size of each entry in the buf. */
+ /* Convention for returning structures. */
+ enum struct_return struct_return;
+
/* Cached core file helpers. */
struct regset *gregset, *fpregset;
};
+
+
#ifndef LOWEST_PC
#define LOWEST_PC (gdbarch_tdep (current_gdbarch)->lowest_pc)
#endif
-/* Prototypes for internal interfaces needed by more than one MD file. */
-int arm_pc_is_thumb_dummy (CORE_ADDR);
+int arm_software_single_step (struct regcache *);
+
+/* Functions exported from armbsd-tdep.h. */
-int arm_pc_is_thumb (CORE_ADDR);
+/* Return the appropriate register set for the core section identified
+ by SECT_NAME and SECT_SIZE. */
-CORE_ADDR thumb_get_next_pc (CORE_ADDR);
+extern const struct regset *
+ armbsd_regset_from_core_section (struct gdbarch *gdbarch,
+ const char *sect_name, size_t sect_size);
-CORE_ADDR arm_get_next_pc (CORE_ADDR);
+#endif /* arm-tdep.h */