struct frame_info;
struct value;
struct objfile;
+struct obj_section;
struct minimal_symbol;
struct regcache;
struct reggroup;
/* The ABI default bit-size and format for "float", "double", and "long
double". These bit/format pairs should eventually be combined into
- a single object. For the moment, just initialize them as a pair. */
+ a single object. For the moment, just initialize them as a pair.
+ Each format describes both the big and little endian layouts (if
+ useful). */
extern int gdbarch_float_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_float_bit (struct gdbarch *gdbarch, int float_bit);
#define TARGET_FLOAT_BIT (gdbarch_float_bit (current_gdbarch))
#endif
-extern const struct floatformat * gdbarch_float_format (struct gdbarch *gdbarch);
-extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat * float_format);
+extern const struct floatformat ** gdbarch_float_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_float_format (struct gdbarch *gdbarch, const struct floatformat ** float_format);
#if !defined (GDB_TM_FILE) && defined (TARGET_FLOAT_FORMAT)
#error "Non multi-arch definition of TARGET_FLOAT_FORMAT"
#endif
#define TARGET_DOUBLE_BIT (gdbarch_double_bit (current_gdbarch))
#endif
-extern const struct floatformat * gdbarch_double_format (struct gdbarch *gdbarch);
-extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat * double_format);
+extern const struct floatformat ** gdbarch_double_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_double_format (struct gdbarch *gdbarch, const struct floatformat ** double_format);
#if !defined (GDB_TM_FILE) && defined (TARGET_DOUBLE_FORMAT)
#error "Non multi-arch definition of TARGET_DOUBLE_FORMAT"
#endif
#define TARGET_LONG_DOUBLE_BIT (gdbarch_long_double_bit (current_gdbarch))
#endif
-extern const struct floatformat * gdbarch_long_double_format (struct gdbarch *gdbarch);
-extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat * long_double_format);
+extern const struct floatformat ** gdbarch_long_double_format (struct gdbarch *gdbarch);
+extern void set_gdbarch_long_double_format (struct gdbarch *gdbarch, const struct floatformat ** long_double_format);
#if !defined (GDB_TM_FILE) && defined (TARGET_LONG_DOUBLE_FORMAT)
#error "Non multi-arch definition of TARGET_LONG_DOUBLE_FORMAT"
#endif
#define TARGET_WRITE_PC(val, ptid) (gdbarch_write_pc (current_gdbarch, val, ptid))
#endif
-/* UNWIND_SP is a direct replacement for TARGET_READ_SP. */
-
-#if defined (TARGET_READ_SP)
-/* Legacy for systems yet to multi-arch TARGET_READ_SP */
-#if !defined (TARGET_READ_SP_P)
-#define TARGET_READ_SP_P() (1)
-#endif
-#endif
-
-extern int gdbarch_read_sp_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (TARGET_READ_SP_P)
-#error "Non multi-arch definition of TARGET_READ_SP"
-#endif
-#if !defined (TARGET_READ_SP_P)
-#define TARGET_READ_SP_P() (gdbarch_read_sp_p (current_gdbarch))
-#endif
-
-typedef CORE_ADDR (gdbarch_read_sp_ftype) (void);
-extern CORE_ADDR gdbarch_read_sp (struct gdbarch *gdbarch);
-extern void set_gdbarch_read_sp (struct gdbarch *gdbarch, gdbarch_read_sp_ftype *read_sp);
-#if !defined (GDB_TM_FILE) && defined (TARGET_READ_SP)
-#error "Non multi-arch definition of TARGET_READ_SP"
-#endif
-#if !defined (TARGET_READ_SP)
-#define TARGET_READ_SP() (gdbarch_read_sp (current_gdbarch))
-#endif
-
/* Function for getting target's idea of a frame pointer. FIXME: GDB's
whole scheme for dealing with "frames" and "frame pointers" needs a
serious shakedown. */
#define REGISTER_NAME(regnr) (gdbarch_register_name (current_gdbarch, regnr))
#endif
-/* REGISTER_TYPE is a direct replacement for DEPRECATED_REGISTER_VIRTUAL_TYPE. */
+/* Return the type of a register specified by the architecture. Only
+ the register cache should call this function directly; others should
+ use "register_type". */
extern int gdbarch_register_type_p (struct gdbarch *gdbarch);
extern struct type * gdbarch_register_type (struct gdbarch *gdbarch, int reg_nr);
extern void set_gdbarch_register_type (struct gdbarch *gdbarch, gdbarch_register_type_ftype *register_type);
-/* If the value returned by DEPRECATED_REGISTER_BYTE agrees with the
- register offsets computed using just REGISTER_TYPE, this can be
- deleted. See: maint print registers. NOTE: cagney/2002-05-02: This
- function with predicate has a valid (callable) initial value. As a
- consequence, even when the predicate is false, the corresponding
- function works. This simplifies the migration process - old code,
- calling DEPRECATED_REGISTER_BYTE, doesn't need to be modified. */
-
-#if defined (DEPRECATED_REGISTER_BYTE)
-/* Legacy for systems yet to multi-arch DEPRECATED_REGISTER_BYTE */
-#if !defined (DEPRECATED_REGISTER_BYTE_P)
-#define DEPRECATED_REGISTER_BYTE_P() (1)
-#endif
-#endif
-
-extern int gdbarch_deprecated_register_byte_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_BYTE_P)
-#error "Non multi-arch definition of DEPRECATED_REGISTER_BYTE"
-#endif
-#if !defined (DEPRECATED_REGISTER_BYTE_P)
-#define DEPRECATED_REGISTER_BYTE_P() (gdbarch_deprecated_register_byte_p (current_gdbarch))
-#endif
-
-typedef int (gdbarch_deprecated_register_byte_ftype) (int reg_nr);
-extern int gdbarch_deprecated_register_byte (struct gdbarch *gdbarch, int reg_nr);
-extern void set_gdbarch_deprecated_register_byte (struct gdbarch *gdbarch, gdbarch_deprecated_register_byte_ftype *deprecated_register_byte);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_REGISTER_BYTE)
-#error "Non multi-arch definition of DEPRECATED_REGISTER_BYTE"
-#endif
-#if !defined (DEPRECATED_REGISTER_BYTE)
-#define DEPRECATED_REGISTER_BYTE(reg_nr) (gdbarch_deprecated_register_byte (current_gdbarch, reg_nr))
-#endif
-
/* See gdbint.texinfo, and PUSH_DUMMY_CALL. */
extern int gdbarch_unwind_dummy_id_p (struct gdbarch *gdbarch);
extern CORE_ADDR gdbarch_integer_to_address (struct gdbarch *gdbarch, struct type *type, const gdb_byte *buf);
extern void set_gdbarch_integer_to_address (struct gdbarch *gdbarch, gdbarch_integer_to_address_ftype *integer_to_address);
-/* NOTE: kettenis/2005-09-01: Replaced by PUSH_DUMMY_CALL. */
-
-#if defined (DEPRECATED_STORE_STRUCT_RETURN)
-/* Legacy for systems yet to multi-arch DEPRECATED_STORE_STRUCT_RETURN */
-#if !defined (DEPRECATED_STORE_STRUCT_RETURN_P)
-#define DEPRECATED_STORE_STRUCT_RETURN_P() (1)
-#endif
-#endif
-
-extern int gdbarch_deprecated_store_struct_return_p (struct gdbarch *gdbarch);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_STORE_STRUCT_RETURN_P)
-#error "Non multi-arch definition of DEPRECATED_STORE_STRUCT_RETURN"
-#endif
-#if !defined (DEPRECATED_STORE_STRUCT_RETURN_P)
-#define DEPRECATED_STORE_STRUCT_RETURN_P() (gdbarch_deprecated_store_struct_return_p (current_gdbarch))
-#endif
-
-typedef void (gdbarch_deprecated_store_struct_return_ftype) (CORE_ADDR addr, CORE_ADDR sp);
-extern void gdbarch_deprecated_store_struct_return (struct gdbarch *gdbarch, CORE_ADDR addr, CORE_ADDR sp);
-extern void set_gdbarch_deprecated_store_struct_return (struct gdbarch *gdbarch, gdbarch_deprecated_store_struct_return_ftype *deprecated_store_struct_return);
-#if !defined (GDB_TM_FILE) && defined (DEPRECATED_STORE_STRUCT_RETURN)
-#error "Non multi-arch definition of DEPRECATED_STORE_STRUCT_RETURN"
-#endif
-#if !defined (DEPRECATED_STORE_STRUCT_RETURN)
-#define DEPRECATED_STORE_STRUCT_RETURN(addr, sp) (gdbarch_deprecated_store_struct_return (current_gdbarch, addr, sp))
-#endif
-
/* It has been suggested that this, well actually its predecessor,
should take the type/value of the function to be called and not the
return type. This is left as an exercise for the reader.
#define DEPRECATED_FUNCTION_START_OFFSET (gdbarch_deprecated_function_start_offset (current_gdbarch))
#endif
-typedef void (gdbarch_remote_translate_xfer_address_ftype) (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
-extern void gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, struct regcache *regcache, CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len);
-extern void set_gdbarch_remote_translate_xfer_address (struct gdbarch *gdbarch, gdbarch_remote_translate_xfer_address_ftype *remote_translate_xfer_address);
+/* Return the remote protocol register number associated with this
+ register. Normally the identity mapping. */
+
+typedef int (gdbarch_remote_register_number_ftype) (struct gdbarch *gdbarch, int regno);
+extern int gdbarch_remote_register_number (struct gdbarch *gdbarch, int regno);
+extern void set_gdbarch_remote_register_number (struct gdbarch *gdbarch, gdbarch_remote_register_number_ftype *remote_register_number);
/* Fetch the target specific address used to represent a load module. */
#define SMASH_TEXT_ADDRESS(addr) (gdbarch_smash_text_address (current_gdbarch, addr))
#endif
-/* FIXME/cagney/2001-01-18: This should be split in two. A target method that indicates if
- the target needs software single step. An ISA method to implement it.
+/* FIXME/cagney/2001-01-18: This should be split in two. A target method that
+ indicates if the target needs software single step. An ISA method to
+ implement it.
+
+ FIXME/cagney/2001-01-18: This should be replaced with something that inserts
+ breakpoints using the breakpoint system instead of blatting memory directly
+ (as with rs6000).
- FIXME/cagney/2001-01-18: This should be replaced with something that inserts breakpoints
- using the breakpoint system instead of blatting memory directly (as with rs6000).
+ FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
+ target can single step. If not, then implement single step using breakpoints.
- FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the target can
- single step. If not, then implement single step using breakpoints. */
+ A return value of 1 means that the software_single_step breakpoints
+ were inserted; 0 means they were not. */
#if defined (SOFTWARE_SINGLE_STEP)
/* Legacy for systems yet to multi-arch SOFTWARE_SINGLE_STEP */
#define SOFTWARE_SINGLE_STEP_P() (gdbarch_software_single_step_p (current_gdbarch))
#endif
-typedef void (gdbarch_software_single_step_ftype) (enum target_signal sig, int insert_breakpoints_p);
-extern void gdbarch_software_single_step (struct gdbarch *gdbarch, enum target_signal sig, int insert_breakpoints_p);
+typedef int (gdbarch_software_single_step_ftype) (struct regcache *regcache);
+extern int gdbarch_software_single_step (struct gdbarch *gdbarch, struct regcache *regcache);
extern void set_gdbarch_software_single_step (struct gdbarch *gdbarch, gdbarch_software_single_step_ftype *software_single_step);
#if !defined (GDB_TM_FILE) && defined (SOFTWARE_SINGLE_STEP)
#error "Non multi-arch definition of SOFTWARE_SINGLE_STEP"
#endif
#if !defined (SOFTWARE_SINGLE_STEP)
-#define SOFTWARE_SINGLE_STEP(sig, insert_breakpoints_p) (gdbarch_software_single_step (current_gdbarch, sig, insert_breakpoints_p))
+#define SOFTWARE_SINGLE_STEP(regcache) (gdbarch_software_single_step (current_gdbarch, regcache))
#endif
/* Return non-zero if the processor is executing a delay slot and a
extern int gdbarch_vbit_in_delta (struct gdbarch *gdbarch);
extern void set_gdbarch_vbit_in_delta (struct gdbarch *gdbarch, int vbit_in_delta);
+/* Advance PC to next instruction in order to skip a permanent breakpoint. */
+
+extern int gdbarch_skip_permanent_breakpoint_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_skip_permanent_breakpoint_ftype) (struct regcache *regcache);
+extern void gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, struct regcache *regcache);
+extern void set_gdbarch_skip_permanent_breakpoint (struct gdbarch *gdbarch, gdbarch_skip_permanent_breakpoint_ftype *skip_permanent_breakpoint);
+
+/* Refresh overlay mapped state for section OSECT. */
+
+extern int gdbarch_overlay_update_p (struct gdbarch *gdbarch);
+
+typedef void (gdbarch_overlay_update_ftype) (struct obj_section *osect);
+extern void gdbarch_overlay_update (struct gdbarch *gdbarch, struct obj_section *osect);
+extern void set_gdbarch_overlay_update (struct gdbarch *gdbarch, gdbarch_overlay_update_ftype *overlay_update);
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
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