gdb.trace: Fix off-by-one in tfile_fetch_registers.

[deliverable/binutils-gdb.git] / gdb / arch-utils.h

diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h
index 45b1b330a4a8c931e07f3a2de054bf2725ace5d5..3fad2c36340d0ab15232aa92d66464eb53a7f620 100644 (file)
--- a/gdb/arch-utils.h
+++ b/gdb/arch-utils.h
@@ -1,13 +1,12 @@
 /* Dynamic architecture support for GDB, the GNU debugger.
 
 /* Dynamic architecture support for GDB, the GNU debugger.
 

-   Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007
-   Free Software Foundation, Inc.
+   Copyright (C) 1998-2016 Free Software Foundation, Inc.

 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
 
    This file is part of GDB.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or

    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,


@@ -16,9 +15,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License

-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 #ifndef GDBARCH_UTILS_H
 #define GDBARCH_UTILS_H
 
 #ifndef GDBARCH_UTILS_H
 #define GDBARCH_UTILS_H


@@ -29,47 +26,68 @@ struct minimal_symbol;
 struct type;
 struct gdbarch_info;
 
 struct type;
 struct gdbarch_info;
 

-/* gdbarch trace variable */
-extern int gdbarch_debug;
-
-/* An implementation of return_value that props up architectures still
-   using USE_STRUCT_RETURN, gdbarch_extract_return_value and
-   store_return_value.  See also the hacks in "stack.c".  */
-enum return_value_convention legacy_return_value (struct gdbarch *gdbarch,
-                                                 struct type *valtype,
-                                                 struct regcache *regcache,
-                                                 gdb_byte *readbuf,
-                                                 const gdb_byte *writebuf);
-
-/* To return any structure or union type by value, store it at the
-   address passed as an invisible first argument to the function.  */
-extern gdbarch_deprecated_use_struct_convention_ftype always_use_struct_convention;
-
-/* The only possible cases for inner_than. */
+/* An implementation of gdbarch_displaced_step_copy_insn for
+   processors that don't need to modify the instruction before
+   single-stepping the displaced copy.
+
+   Simply copy gdbarch_max_insn_length (ARCH) bytes from FROM to TO.
+   The closure is an array of that many bytes containing the
+   instruction's bytes, allocated with xmalloc.  */
+extern struct displaced_step_closure *
+  simple_displaced_step_copy_insn (struct gdbarch *gdbarch,
+                                   CORE_ADDR from, CORE_ADDR to,
+                                   struct regcache *regs);
+
+/* Simple implementation of gdbarch_displaced_step_free_closure: Call
+   xfree.
+   This is appropriate for use with simple_displaced_step_copy_insn.  */
+extern void
+  simple_displaced_step_free_closure (struct gdbarch *gdbarch,
+                                      struct displaced_step_closure *closure);
+
+/* Default implementation of gdbarch_displaced_hw_singlestep.  */
+extern int
+  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.  */

 extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
 extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
 
 /* Identity functions on a CORE_ADDR.  Just return the "addr".  */
 
 extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
 extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
 
 /* Identity functions on a CORE_ADDR.  Just return the "addr".  */
 

-extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
+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;
 
 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 (int reg);
+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
 
 /* Version of cannot_fetch_register() / cannot_store_register() that

-   always fails. */
+   always fails.  */

 
 

-int cannot_register_not (int regnum);
+int cannot_register_not (struct gdbarch *gdbarch, int regnum);

 
 /* Legacy version of target_virtual_frame_pointer().  Assumes that
    there is an gdbarch_deprecated_fp_regnum and that it is the same, cooked or
 
 /* Legacy version of target_virtual_frame_pointer().  Assumes that
    there is an gdbarch_deprecated_fp_regnum and that it is the same, cooked or


@@ -83,12 +101,15 @@ extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame,
 extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch,
                                              CORE_ADDR pc);
 
 extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch,
                                              CORE_ADDR pc);
 

-extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
+extern int generic_in_solib_return_trampoline (struct gdbarch *gdbarch,
+                                              CORE_ADDR pc, const char *name);

 
 

-extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
+extern int generic_stack_frame_destroyed_p (struct gdbarch *gdbarch,
+                                           CORE_ADDR pc);

 
 /* By default, registers are not convertible.  */
 
 /* By default, registers are not convertible.  */

-extern int generic_convert_register_p (int regnum, struct type *type);
+extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum,
+                                      struct type *type);

 
 extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
                                            struct type *type);
 
 extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
                                            struct type *type);


@@ -103,7 +124,7 @@ int default_remote_register_number (struct gdbarch *gdbarch,
    (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
    name.  */
 
    (LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
    name.  */
 

-extern int legacy_register_sim_regno (int regnum);
+extern int legacy_register_sim_regno (struct gdbarch *gdbarch, int regnum);

 
 /* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte
    order was explicitly selected.  */
 
 /* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte
    order was explicitly selected.  */


@@ -129,4 +150,58 @@ extern void gdbarch_info_fill (struct gdbarch_info *info);
 
 extern struct gdbarch *gdbarch_from_bfd (bfd *abfd);
 
 
 extern struct gdbarch *gdbarch_from_bfd (bfd *abfd);
 

+/* Return "current" architecture.  If the target is running, this is the
+   architecture of the selected frame.  Otherwise, the "current" architecture
+   defaults to the target architecture.
+
+   This function should normally be called solely by the command interpreter
+   routines to determine the architecture to execute a command in.  */
+extern struct gdbarch *get_current_arch (void);
+
+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 void default_remote_breakpoint_from_pc (struct gdbarch *,
+                                              CORE_ADDR *pcptr, int *kindptr);
+
+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);
+

 #endif
 #endif