/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008, 2009
- Free Software Foundation, Inc.
+ Copyright (C) 1998-2016 Free Software Foundation, Inc.
This file is part of GDB.
struct type;
struct gdbarch_info;
-/* gdbarch trace variable */
-extern int gdbarch_debug;
+#define GDBARCH_BREAKPOINT_MANIPULATION(ARCH,BREAK_INSN) \
+ static int \
+ ARCH##_breakpoint_kind_from_pc (struct gdbarch *gdbarch, \
+ CORE_ADDR *pcptr) \
+ { \
+ return sizeof (BREAK_INSN); \
+ } \
+ static const gdb_byte * \
+ ARCH##_sw_breakpoint_from_kind (struct gdbarch *gdbarch, \
+ int kind, int *size) \
+ { \
+ *size = kind; \
+ return BREAK_INSN; \
+ }
+
+#define SET_GDBARCH_BREAKPOINT_MANIPULATION(ARCH) \
+ set_gdbarch_breakpoint_kind_from_pc (gdbarch, \
+ ARCH##_breakpoint_kind_from_pc); \
+ set_gdbarch_sw_breakpoint_from_kind (gdbarch, \
+ ARCH##_sw_breakpoint_from_kind)
+
+#define GDBARCH_BREAKPOINT_MANIPULATION_ENDIAN(ARCH, \
+ LITTLE_BREAK_INSN, \
+ BIG_BREAK_INSN) \
+ static int \
+ ARCH##_breakpoint_kind_from_pc (struct gdbarch *gdbarch, \
+ CORE_ADDR *pcptr) \
+ { \
+ gdb_static_assert (ARRAY_SIZE (LITTLE_BREAK_INSN) \
+ == ARRAY_SIZE (BIG_BREAK_INSN)); \
+ return sizeof (BIG_BREAK_INSN); \
+ } \
+ static const gdb_byte * \
+ ARCH##_sw_breakpoint_from_kind (struct gdbarch *gdbarch, \
+ int kind, int *size) \
+ { \
+ *size = kind; \
+ if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) \
+ return BIG_BREAK_INSN; \
+ else \
+ return LITTLE_BREAK_INSN; \
+ }
/* An implementation of gdbarch_displaced_step_copy_insn for
processors that don't need to modify the instruction before
/* Default implementation of gdbarch_displaced_hw_singlestep. */
extern int
- default_displaced_step_hw_singlestep (struct gdbarch *gdbarch,
- struct displaced_step_closure *closure);
+ default_displaced_step_hw_singlestep (struct gdbarch *,
+ struct displaced_step_closure *);
/* Possible value for gdbarch_displaced_step_location:
Place displaced instructions at the program's entry point,
leaving space for inferior function call return breakpoints. */
extern CORE_ADDR displaced_step_at_entry_point (struct gdbarch *gdbarch);
-/* The only possible cases for inner_than. */
+/* The only possible cases for inner_than. */
extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
extern CORE_ADDR core_addr_identity (struct gdbarch *gdbarch, CORE_ADDR addr);
extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity;
-/* No-op conversion of reg to regnum. */
+/* No-op conversion of reg to regnum. */
extern int no_op_reg_to_regnum (struct gdbarch *gdbarch, int reg);
-/* Do nothing version of elf_make_msymbol_special. */
+/* Do nothing version of coff_make_msymbol_special. */
-void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym);
+void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
-/* Do nothing version of coff_make_msymbol_special. */
+/* Do nothing default implementation of gdbarch_make_symbol_special. */
-void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
+void default_make_symbol_special (struct symbol *sym, struct objfile *objfile);
+
+/* Do nothing default implementation of gdbarch_adjust_dwarf2_addr. */
+
+CORE_ADDR default_adjust_dwarf2_addr (CORE_ADDR pc);
+
+/* Do nothing default implementation of gdbarch_adjust_dwarf2_line. */
+
+CORE_ADDR default_adjust_dwarf2_line (CORE_ADDR addr, int rel);
/* Version of cannot_fetch_register() / cannot_store_register() that
- always fails. */
+ always fails. */
int cannot_register_not (struct gdbarch *gdbarch, int regnum);
extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
+/* Default implementation of gdbarch_floatformat_for_type. */
+extern const struct floatformat **
+ default_floatformat_for_type (struct gdbarch *gdbarch,
+ const char *name, int len);
+
extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame,
CORE_ADDR pc);
CORE_ADDR pc);
extern int generic_in_solib_return_trampoline (struct gdbarch *gdbarch,
- CORE_ADDR pc, char *name);
+ CORE_ADDR pc, const char *name);
+
+extern int generic_stack_frame_destroyed_p (struct gdbarch *gdbarch,
+ CORE_ADDR pc);
-extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
+extern int default_code_of_frame_writable (struct gdbarch *gdbarch,
+ struct frame_info *frame);
/* By default, registers are not convertible. */
extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum,
extern int default_has_shared_address_space (struct gdbarch *);
+extern int default_fast_tracepoint_valid_at (struct gdbarch *gdbarch,
+ CORE_ADDR addr, char **msg);
+
+extern const gdb_byte *default_breakpoint_from_pc (struct gdbarch *gdbarch,
+ CORE_ADDR *pcptr,
+ int *lenptr);
+
+extern void default_gen_return_address (struct gdbarch *gdbarch,
+ struct agent_expr *ax,
+ struct axs_value *value,
+ CORE_ADDR scope);
+
+extern const char *default_auto_charset (void);
+extern const char *default_auto_wide_charset (void);
+
+extern int default_return_in_first_hidden_param_p (struct gdbarch *,
+ struct type *);
+
+extern int default_insn_is_call (struct gdbarch *, CORE_ADDR);
+extern int default_insn_is_ret (struct gdbarch *, CORE_ADDR);
+extern int default_insn_is_jump (struct gdbarch *, CORE_ADDR);
+
+/* Do-nothing version of vsyscall_range. Returns false. */
+
+extern int default_vsyscall_range (struct gdbarch *gdbarch, struct mem_range *range);
+
+/* Default way to advance the PC to the next instruction in order to
+ skip a permanent breakpoint. Increments the PC by the size of a
+ software breakpoint instruction, as determined with
+ gdbarch_breakpoint_from_pc. This matches how the breakpoints
+ module determines whether a breakpoint is permanent. */
+extern void default_skip_permanent_breakpoint (struct regcache *regcache);
+
+/* Symbols for gdbarch_infcall_mmap; their Linux PROT_* system
+ definitions would be dependent on compilation host. */
+#define GDB_MMAP_PROT_READ 0x1 /* Page can be read. */
+#define GDB_MMAP_PROT_WRITE 0x2 /* Page can be written. */
+#define GDB_MMAP_PROT_EXEC 0x4 /* Page can be executed. */
+
+extern CORE_ADDR default_infcall_mmap (CORE_ADDR size, unsigned prot);
+extern void default_infcall_munmap (CORE_ADDR addr, CORE_ADDR size);
+extern char *default_gcc_target_options (struct gdbarch *gdbarch);
+extern const char *default_gnu_triplet_regexp (struct gdbarch *gdbarch);
+extern int default_addressable_memory_unit_size (struct gdbarch *gdbarch);
+
+extern void default_guess_tracepoint_registers (struct gdbarch *gdbarch,
+ struct regcache *regcache,
+ CORE_ADDR addr);
+
#endif