X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdbarch.sh;h=f93bfc1e3fb1c88491270df3b255b6f814a50331;hb=d45b7d7459ca767cf1a3b025190ab95c3b13542d;hp=5e91d6e5f54ad3c88398f1699dbccb1858622270;hpb=ae4b228419367dd170acf7251a82413d890ad61a;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh index 5e91d6e5f5..f93bfc1e3f 100755 --- a/gdb/gdbarch.sh +++ b/gdb/gdbarch.sh @@ -3,7 +3,7 @@ # Architecture commands for GDB, the GNU debugger. # # Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, -# 2008 Free Software Foundation, Inc. +# 2008, 2009 Free Software Foundation, Inc. # # This file is part of GDB. # @@ -318,8 +318,8 @@ do # An optional expression that convers MEMBER to a value # suitable for formatting using %s. - # If PRINT is empty, paddr_nz (for CORE_ADDR) or paddr_d - # (anything else) is used. + # If PRINT is empty, core_addr_to_string_nz (for CORE_ADDR) + # or plongest (anything else) is used. garbage_at_eol ) : ;; @@ -339,10 +339,11 @@ function_list () i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (gdbarch)->printable_name # i:int:byte_order:::BFD_ENDIAN_BIG +i:int:byte_order_for_code:::BFD_ENDIAN_BIG # i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN # -i:const struct target_desc *:target_desc:::::::paddr_d ((long) gdbarch->target_desc) +i:const struct target_desc *:target_desc:::::::host_address_to_string (gdbarch->target_desc) # The bit byte-order has to do just with numbering of bits in debugging symbols # and such. Conceptually, it's quite separate from byte/word byte order. @@ -421,10 +422,9 @@ v:int:fp0_regnum:::0:-1::0 m:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::0 # Provide a default mapping from a ecoff register number to a gdb REGNUM. m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0 -# Provide a default mapping from a DWARF register number to a gdb REGNUM. -m:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr::no_op_reg_to_regnum::0 # Convert from an sdb register number to an internal gdb register number. m:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0 +# Provide a default mapping from a DWARF2 register number to a gdb REGNUM. m:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0 m:const char *:register_name:int regnr:regnr::0 @@ -434,8 +434,8 @@ m:const char *:register_name:int regnr:regnr::0 M:struct type *:register_type:int reg_nr:reg_nr # See gdbint.texinfo, and PUSH_DUMMY_CALL. -M:struct frame_id:unwind_dummy_id:struct frame_info *info:info -# Implement UNWIND_DUMMY_ID and PUSH_DUMMY_CALL, then delete +M:struct frame_id:dummy_id:struct frame_info *this_frame:this_frame +# Implement DUMMY_ID and PUSH_DUMMY_CALL, then delete # deprecated_fp_regnum. v:int:deprecated_fp_regnum:::-1:-1::0 @@ -470,13 +470,20 @@ f:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf: f:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0 M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf -# 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. - -M:enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:valtype, regcache, readbuf, writebuf +# Return the return-value convention that will be used by FUNCTYPE +# to return a value of type VALTYPE. FUNCTYPE may be NULL in which +# case the return convention is computed based only on VALTYPE. +# +# If READBUF is not NULL, extract the return value and save it in this buffer. +# +# If WRITEBUF is not NULL, it contains a return value which will be +# stored into the appropriate register. This can be used when we want +# to force the value returned by a function (see the "return" command +# for instance). +M:enum return_value_convention:return_value:struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:functype, valtype, regcache, readbuf, writebuf m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0 +M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0 m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0: M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr @@ -522,10 +529,10 @@ m:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:a # being a few stray bits in the PC which would mislead us, not as some # sort of generic thing to handle alignment or segmentation (it's # possible it should be in TARGET_READ_PC instead). -f:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 +m:CORE_ADDR:addr_bits_remove:CORE_ADDR addr:addr::core_addr_identity::0 # It is not at all clear why gdbarch_smash_text_address is not folded into # gdbarch_addr_bits_remove. -f:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr::core_addr_identity::0 +m:CORE_ADDR:smash_text_address:CORE_ADDR addr:addr::core_addr_identity::0 # 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 @@ -551,7 +558,7 @@ f:int:print_insn:bfd_vma vma, struct disassemble_info *info:vma, info::0: f:CORE_ADDR:skip_trampoline_code:struct frame_info *frame, CORE_ADDR pc:frame, pc::generic_skip_trampoline_code::0 -# If IN_SOLIB_DYNSYM_RESOLVE_CODE returns true, and SKIP_SOLIB_RESOLVER +# If in_solib_dynsym_resolve_code() returns true, and SKIP_SOLIB_RESOLVER # evaluates non-zero, this is the address where the debugger will place # a step-resume breakpoint to get us past the dynamic linker. m:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc::generic_skip_solib_resolver::0 @@ -579,7 +586,6 @@ m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_ m:char *:construct_inferior_arguments:int argc, char **argv:argc, argv::construct_inferior_arguments::0 f:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym::default_elf_make_msymbol_special::0 f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0 -v:const char *:name_of_malloc:::"malloc":"malloc"::0:gdbarch->name_of_malloc v:int:cannot_step_breakpoint:::0:0::0 v:int:have_nonsteppable_watchpoint:::0:0::0 F:int:address_class_type_flags:int byte_size, int dwarf2_addr_class:byte_size, dwarf2_addr_class @@ -594,10 +600,24 @@ F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct ty # name SECT_NAME and size SECT_SIZE. M:const struct regset *:regset_from_core_section:const char *sect_name, size_t sect_size:sect_name, sect_size +# When creating core dumps, some systems encode the PID in addition +# to the LWP id in core file register section names. In those cases, the +# "XXX" in ".reg/XXX" is encoded as [LWPID << 16 | PID]. This setting +# is set to true for such architectures; false if "XXX" represents an LWP +# or thread id with no special encoding. +v:int:core_reg_section_encodes_pid:::0:0::0 + +# Supported register notes in a core file. +v:struct core_regset_section *:core_regset_sections:const char *name, int len::::::host_address_to_string (gdbarch->core_regset_sections) + # Read offset OFFSET of TARGET_OBJECT_LIBRARIES formatted shared libraries list from # core file into buffer READBUF with length LEN. M:LONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, LONGEST len:readbuf, offset, len +# How the core_stratum layer converts a PTID from a core file to a +# string. +M:char *:core_pid_to_str:ptid_t ptid:ptid + # If the elements of C++ vtables are in-place function descriptors rather # than normal function pointers (which may point to code or a descriptor), # set this to one. @@ -610,6 +630,75 @@ v:int:vbit_in_delta:::0:0::0 # Advance PC to next instruction in order to skip a permanent breakpoint. F:void:skip_permanent_breakpoint:struct regcache *regcache:regcache +# The maximum length of an instruction on this architecture. +V:ULONGEST:max_insn_length:::0:0 + +# Copy the instruction at FROM to TO, and make any adjustments +# necessary to single-step it at that address. +# +# REGS holds the state the thread's registers will have before +# executing the copied instruction; the PC in REGS will refer to FROM, +# not the copy at TO. The caller should update it to point at TO later. +# +# Return a pointer to data of the architecture's choice to be passed +# to gdbarch_displaced_step_fixup. Or, return NULL to indicate that +# the instruction's effects have been completely simulated, with the +# resulting state written back to REGS. +# +# For a general explanation of displaced stepping and how GDB uses it, +# see the comments in infrun.c. +# +# The TO area is only guaranteed to have space for +# gdbarch_max_insn_length (arch) bytes, so this function must not +# write more bytes than that to that area. +# +# If you do not provide this function, GDB assumes that the +# architecture does not support displaced stepping. +# +# If your architecture doesn't need to adjust instructions before +# single-stepping them, consider using simple_displaced_step_copy_insn +# here. +M:struct displaced_step_closure *:displaced_step_copy_insn:CORE_ADDR from, CORE_ADDR to, struct regcache *regs:from, to, regs + +# Fix up the state resulting from successfully single-stepping a +# displaced instruction, to give the result we would have gotten from +# stepping the instruction in its original location. +# +# REGS is the register state resulting from single-stepping the +# displaced instruction. +# +# CLOSURE is the result from the matching call to +# gdbarch_displaced_step_copy_insn. +# +# If you provide gdbarch_displaced_step_copy_insn.but not this +# function, then GDB assumes that no fixup is needed after +# single-stepping the instruction. +# +# For a general explanation of displaced stepping and how GDB uses it, +# see the comments in infrun.c. +M:void:displaced_step_fixup:struct displaced_step_closure *closure, CORE_ADDR from, CORE_ADDR to, struct regcache *regs:closure, from, to, regs::NULL + +# Free a closure returned by gdbarch_displaced_step_copy_insn. +# +# If you provide gdbarch_displaced_step_copy_insn, you must provide +# this function as well. +# +# If your architecture uses closures that don't need to be freed, then +# you can use simple_displaced_step_free_closure here. +# +# For a general explanation of displaced stepping and how GDB uses it, +# see the comments in infrun.c. +m:void:displaced_step_free_closure:struct displaced_step_closure *closure:closure::NULL::(! gdbarch->displaced_step_free_closure) != (! gdbarch->displaced_step_copy_insn) + +# Return the address of an appropriate place to put displaced +# instructions while we step over them. There need only be one such +# place, since we're only stepping one thread over a breakpoint at a +# time. +# +# For a general explanation of displaced stepping and how GDB uses it, +# see the comments in infrun.c. +m:CORE_ADDR:displaced_step_location:void:::NULL::(! gdbarch->displaced_step_location) != (! gdbarch->displaced_step_copy_insn) + # Refresh overlay mapped state for section OSECT. F:void:overlay_update:struct obj_section *osect:osect @@ -619,6 +708,28 @@ M:const struct target_desc *:core_read_description:struct target_ops *target, bf F:char *:static_transform_name:char *name:name # Set if the address in N_SO or N_FUN stabs may be zero. v:int:sofun_address_maybe_missing:::0:0::0 + +# Signal translation: translate inferior's signal (host's) number into +# GDB's representation. +m:enum target_signal:target_signal_from_host:int signo:signo::default_target_signal_from_host::0 +# Signal translation: translate GDB's signal number into inferior's host +# signal number. +m:int:target_signal_to_host:enum target_signal ts:ts::default_target_signal_to_host::0 + +# Extra signal info inspection. +# +# Return a type suitable to inspect extra signal information. +M:struct type *:get_siginfo_type:void: + +# Record architecture-specific information from the symbol table. +M:void:record_special_symbol:struct objfile *objfile, asymbol *sym:objfile, sym + +# True if the list of shared libraries is one and only for all +# processes, as opposed to a list of shared libraries per inferior. +# When this property is true, GDB assumes that since shared libraries +# are shared across processes, so is all code. Hence, GDB further +# assumes an inserted breakpoint location is visible to all processes. +v:int:has_global_solist:::0:0::0 EOF } @@ -729,8 +840,11 @@ struct target_ops; struct obstack; struct bp_target_info; struct target_desc; +struct displaced_step_closure; +struct core_regset_section; extern struct gdbarch *current_gdbarch; +extern struct gdbarch *target_gdbarch; EOF # function typedef's @@ -872,6 +986,8 @@ struct gdbarch_info /* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */ int byte_order; + int byte_order_for_code; + /* Use default: NULL (ZERO). */ bfd *abfd; @@ -1040,10 +1156,11 @@ cat <\\\\n\",\n" - printf " (long) gdbarch->${function});\n" + printf " \"gdbarch_dump: ${function} = <%%s>\\\\n\",\n" + printf " host_address_to_string (gdbarch->${function}));\n" else # It is a variable case "${print}:${returntype}" in :CORE_ADDR ) - fmt="0x%s" - print="paddr_nz (gdbarch->${function})" + fmt="%s" + print="core_addr_to_string_nz (gdbarch->${function})" ;; :* ) fmt="%s" - print="paddr_d (gdbarch->${function})" + print="plongest (gdbarch->${function})" ;; * ) fmt="%s" @@ -1724,9 +1842,9 @@ gdbarch_register (enum bfd_architecture bfd_architecture, } /* log it */ if (gdbarch_debug) - fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, 0x%08lx)\n", + fprintf_unfiltered (gdb_stdlog, "register_gdbarch_init (%s, %s)\n", bfd_arch_info->printable_name, - (long) init); + host_address_to_string (init)); /* Append it */ (*curr) = XMALLOC (struct gdbarch_registration); (*curr)->bfd_architecture = bfd_architecture; @@ -1805,11 +1923,11 @@ find_arch_by_info (struct gdbarch_info info) "find_arch_by_info: info.osabi %d (%s)\n", info.osabi, gdbarch_osabi_name (info.osabi)); fprintf_unfiltered (gdb_stdlog, - "find_arch_by_info: info.abfd 0x%lx\n", - (long) info.abfd); + "find_arch_by_info: info.abfd %s\n", + host_address_to_string (info.abfd)); fprintf_unfiltered (gdb_stdlog, - "find_arch_by_info: info.tdep_info 0x%lx\n", - (long) info.tdep_info); + "find_arch_by_info: info.tdep_info %s\n", + host_address_to_string (info.tdep_info)); } /* Find the tdep code that knows about this architecture. */ @@ -1848,8 +1966,8 @@ find_arch_by_info (struct gdbarch_info info) struct gdbarch_list *this; if (gdbarch_debug) fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: " - "Previous architecture 0x%08lx (%s) selected\n", - (long) new_gdbarch, + "Previous architecture %s (%s) selected\n", + host_address_to_string (new_gdbarch), new_gdbarch->bfd_arch_info->printable_name); /* Find the existing arch in the list. */ for (list = ®o->arches; @@ -1870,8 +1988,8 @@ find_arch_by_info (struct gdbarch_info info) /* It's a new architecture. */ if (gdbarch_debug) fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: " - "New architecture 0x%08lx (%s) selected\n", - (long) new_gdbarch, + "New architecture %s (%s) selected\n", + host_address_to_string (new_gdbarch), new_gdbarch->bfd_arch_info->printable_name); /* Insert the new architecture into the front of the architecture @@ -1928,8 +2046,9 @@ deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch) gdb_assert (current_gdbarch != NULL); gdb_assert (new_gdbarch->initialized_p); current_gdbarch = new_gdbarch; - architecture_changed_event (); - reinit_frame_cache (); + target_gdbarch = new_gdbarch; + observer_notify_architecture_changed (new_gdbarch); + registers_changed (); } extern void _initialize_gdbarch (void);