X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Farch-utils.h;h=3fad2c36340d0ab15232aa92d66464eb53a7f620;hb=473b99e5721ad623cc5826e03a73e2cf6cef4eb5;hp=42306597ec80a51a20508fb2f8ca10cc8d51790d;hpb=24568a2cd9b1422f582b6f9c004ebd67ffadcb90;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h index 42306597ec..3fad2c3634 100644 --- a/gdb/arch-utils.h +++ b/gdb/arch-utils.h @@ -1,7 +1,6 @@ /* Dynamic architecture support for GDB, the GNU debugger. - Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008 - Free Software Foundation, Inc. + Copyright (C) 1998-2016 Free Software Foundation, Inc. This file is part of GDB. @@ -27,9 +26,6 @@ struct minimal_symbol; struct type; struct gdbarch_info; -/* gdbarch trace variable */ -extern int gdbarch_debug; - /* An implementation of gdbarch_displaced_step_copy_insn for processors that don't need to modify the instruction before single-stepping the displaced copy. @@ -49,12 +45,17 @@ 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. */ +/* 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); @@ -63,20 +64,28 @@ 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_coff_make_msymbol_special (int val, struct minimal_symbol *msym); -void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); +/* Do nothing default implementation of gdbarch_make_symbol_special. */ -/* Do nothing version of coff_make_msymbol_special. */ +void default_make_symbol_special (struct symbol *sym, struct objfile *objfile); -void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); +/* 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); @@ -92,9 +101,11 @@ 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 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. */ extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum, @@ -139,4 +150,58 @@ extern void gdbarch_info_fill (struct gdbarch_info *info); 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