X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Farch-utils.h;h=45ddf6483b3dccc7e0eb783ef446b9a58e578524;hb=2e6af8c0457c1d449c64e16741ae88b87a490ce7;hp=dc5fc037e938bb6b4362719666532af09c4a4b62;hpb=9b254dd1ce46c19dde1dde5b8d1e22e862dfacce;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/arch-utils.h b/gdb/arch-utils.h index dc5fc037e9..45ddf6483b 100644 --- a/gdb/arch-utils.h +++ b/gdb/arch-utils.h @@ -1,7 +1,7 @@ /* Dynamic architecture support for GDB, the GNU debugger. - Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007, 2008 - Free Software Foundation, Inc. + Copyright (C) 1998-2000, 2002-2004, 2007-2012 Free Software + Foundation, Inc. This file is part of GDB. @@ -30,29 +30,59 @@ struct gdbarch_info; /* gdbarch trace variable */ extern int gdbarch_debug; -/* 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 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; -/* 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 elf_make_msymbol_special. */ -void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym); +void default_elf_make_msymbol_special (asymbol *sym, + struct minimal_symbol *msym); -/* Do nothing version of coff_make_msymbol_special. */ +/* Do nothing version of coff_make_msymbol_special. */ void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym); /* Version of cannot_fetch_register() / cannot_store_register() that - always fails. */ + always fails. */ int cannot_register_not (struct gdbarch *gdbarch, int regnum); @@ -68,9 +98,11 @@ 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, char *name); -extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc); +extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, + CORE_ADDR pc); /* By default, registers are not convertible. */ extern int generic_convert_register_p (struct gdbarch *gdbarch, int regnum, @@ -115,4 +147,29 @@ 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, + int *isize, 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); + #endif