# Architecture commands for GDB, the GNU debugger.
#
-# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
-# Free Software Foundation, Inc.
+# Copyright (C) 1998-2012 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
# Make certain that the script is not running in an internationalized
# environment.
-LANG=c ; export LANG
-LC_ALL=c ; export LC_ALL
+LANG=C ; export LANG
+LC_ALL=C ; export LC_ALL
compare_new ()
# 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 ) : ;;
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.
+v:int:bits_big_endian:::1:(gdbarch->byte_order == BFD_ENDIAN_BIG)::0
+
# Number of bits in a char or unsigned char for the target machine.
# Just like CHAR_BIT in <limits.h> but describes the target machine.
# v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
# Number of bits in a long long or unsigned long long for the target
# machine.
v:int:long_long_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0
+# Alignment of a long long or unsigned long long for the target
+# machine.
+v:int:long_long_align_bit:::8 * sizeof (LONGEST):2*gdbarch->long_bit::0
-# The ABI default bit-size and format for "float", "double", and "long
-# double". These bit/format pairs should eventually be combined into
-# a single object. For the moment, just initialize them as a pair.
+# The ABI default bit-size and format for "half", "float", "double", and
+# "long double". These bit/format pairs should eventually be combined
+# into a single object. For the moment, just initialize them as a pair.
# Each format describes both the big and little endian layouts (if
# useful).
+v:int:half_bit:::16:2*TARGET_CHAR_BIT::0
+v:const struct floatformat **:half_format:::::floatformats_ieee_half::pformat (gdbarch->half_format)
v:int:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0
v:const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (gdbarch->float_format)
v:int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0
# / addr_bit will be set from it.
#
# If gdbarch_ptr_bit and gdbarch_addr_bit are different, you'll probably
-# also need to set gdbarch_pointer_to_address and gdbarch_address_to_pointer
-# as well.
+# also need to set gdbarch_dwarf2_addr_size, gdbarch_pointer_to_address and
+# gdbarch_address_to_pointer as well.
#
# ptr_bit is the size of a pointer on the target
v:int:ptr_bit:::8 * sizeof (void*):gdbarch->int_bit::0
# addr_bit is the size of a target address as represented in gdb
v:int:addr_bit:::8 * sizeof (void*):0:gdbarch_ptr_bit (gdbarch):
#
+# dwarf2_addr_size is the target address size as used in the Dwarf debug
+# info. For .debug_frame FDEs, this is supposed to be the target address
+# size from the associated CU header, and which is equivalent to the
+# DWARF2_ADDR_SIZE as defined by the target specific GCC back-end.
+# Unfortunately there is no good way to determine this value. Therefore
+# dwarf2_addr_size simply defaults to the target pointer size.
+#
+# dwarf2_addr_size is not used for .eh_frame FDEs, which are generally
+# defined using the target's pointer size so far.
+#
+# Note that dwarf2_addr_size only needs to be redefined by a target if the
+# GCC back-end defines a DWARF2_ADDR_SIZE other than the target pointer size,
+# and if Dwarf versions < 4 need to be supported.
+v:int:dwarf2_addr_size:::sizeof (void*):0:gdbarch_ptr_bit (gdbarch) / TARGET_CHAR_BIT:
+#
# One if \`char' acts like \`signed char', zero if \`unsigned char'.
v:int:char_signed:::1:-1:1
#
# serious shakedown.
m:void:virtual_frame_pointer:CORE_ADDR pc, int *frame_regnum, LONGEST *frame_offset:pc, frame_regnum, frame_offset:0:legacy_virtual_frame_pointer::0
#
-M:void:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf
+M:enum register_status:pseudo_register_read:struct regcache *regcache, int cookednum, gdb_byte *buf:regcache, cookednum, buf
+# Read a register into a new struct value. If the register is wholly
+# or partly unavailable, this should call mark_value_bytes_unavailable
+# as appropriate. If this is defined, then pseudo_register_read will
+# never be called.
+M:struct value *:pseudo_register_read_value:struct regcache *regcache, int cookednum:regcache, cookednum
M:void:pseudo_register_write:struct regcache *regcache, int cookednum, const gdb_byte *buf:regcache, cookednum, buf
#
v:int:num_regs:::0:-1
# combinations of other registers, or they may be computed by GDB.
v:int:num_pseudo_regs:::0:0::0
+# Assemble agent expression bytecode to collect pseudo-register REG.
+# Return -1 if something goes wrong, 0 otherwise.
+M:int:ax_pseudo_register_collect:struct agent_expr *ax, int reg:ax, reg
+
+# Assemble agent expression bytecode to push the value of pseudo-register
+# REG on the interpreter stack.
+# Return -1 if something goes wrong, 0 otherwise.
+M:int:ax_pseudo_register_push_stack:struct agent_expr *ax, int reg:ax, reg
+
# GDB's standard (or well known) register numbers. These can map onto
# a real register or a pseudo (computed) register or not be defined at
# all (-1).
v:int:ps_regnum:::-1:-1::0
v:int:fp0_regnum:::0:-1::0
# Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
-f:int:stab_reg_to_regnum:int stab_regnr:stab_regnr::no_op_reg_to_regnum::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.
-f: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.
-f:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr::no_op_reg_to_regnum::0
+m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0
# Convert from an sdb register number to an internal gdb register number.
-f:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr::no_op_reg_to_regnum::0
-f:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr::no_op_reg_to_regnum::0
+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
# Return the type of a register specified by the architecture. Only
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
M:void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
# MAP a GDB RAW register number onto a simulator register number. See
# also include/...-sim.h.
-f:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0
-f:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0
-f:int:cannot_store_register:int regnum:regnum::cannot_register_not::0
+m:int:register_sim_regno:int reg_nr:reg_nr::legacy_register_sim_regno::0
+m:int:cannot_fetch_register:int regnum:regnum::cannot_register_not::0
+m:int:cannot_store_register:int regnum:regnum::cannot_register_not::0
# setjmp/longjmp support.
F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc
#
v:int:believe_pcc_promotion:::::::
#
m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0
-f:void:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf:frame, regnum, type, buf:0
+f:int:register_to_value:struct frame_info *frame, int regnum, struct type *type, gdb_byte *buf, int *optimizedp, int *unavailablep:frame, regnum, type, buf, optimizedp, unavailablep:0
f:void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0
# Construct a value representing the contents of register REGNUM in
# frame FRAME, interpreted as type TYPE. The routine needs to
# (but not the value contents) filled in.
f:struct value *:value_from_register:struct type *type, int regnum, struct frame_info *frame:type, regnum, frame::default_value_from_register::0
#
-f:CORE_ADDR:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0
-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:pointer_to_address:struct type *type, const gdb_byte *buf:type, buf::unsigned_pointer_to_address::0
+m: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
-
-f:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
+# 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:
+# Return the adjusted address and kind to use for Z0/Z1 packets.
+# KIND is usually the memory length of the breakpoint, but may have a
+# different target-specific meaning.
+m:void:remote_breakpoint_from_pc:CORE_ADDR *pcptr, int *kindptr:pcptr, kindptr:0:default_remote_breakpoint_from_pc::0
M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
-f:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0
-f:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0
+m:int:memory_insert_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_insert_breakpoint::0
+m:int:memory_remove_breakpoint:struct bp_target_info *bp_tgt:bp_tgt:0:default_memory_remove_breakpoint::0
v:CORE_ADDR:decr_pc_after_break:::0:::0
# A function can be addressed by either it's "pointer" (possibly 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
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
# Some systems also have trampoline code for returning from shared libs.
-f:int:in_solib_return_trampoline:CORE_ADDR pc, char *name:pc, name::generic_in_solib_return_trampoline::0
+m:int:in_solib_return_trampoline:CORE_ADDR pc, const char *name:pc, name::generic_in_solib_return_trampoline::0
# A target might have problems with watchpoints as soon as the stack
# frame of the current function has been destroyed. This mostly happens
# which don't suffer from that problem could just let this functionality
# untouched.
m:int:in_function_epilogue_p:CORE_ADDR addr:addr:0:generic_in_function_epilogue_p::0
-# Given a vector of command-line arguments, return a newly allocated
-# string which, when passed to the create_inferior function, will be
-# parsed (on Unix systems, by the shell) to yield the same vector.
-# This function should call error() if the argument vector is not
-# representable for this target or if this target does not support
-# command-line arguments.
-# ARGC is the number of elements in the vector.
-# ARGV is an array of strings, one per argument.
-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
# 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
+# 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)
+
+# Create core file notes
+M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size
+
+# Find core file memory regions
+M:int:find_memory_regions:find_memory_region_ftype func, void *data:func, data
+
# 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 target converts a PTID from a core file to a string.
+M:char *:core_pid_to_str:ptid_t ptid:ptid
+
+# BFD target to use when generating a core file.
+V:const char *:gcore_bfd_target:::0:0:::pstring (gdbarch->gcore_bfd_target)
+
# 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.
# 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 in bytes.
+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
+
+# Return true if GDB should use hardware single-stepping to execute
+# the displaced instruction identified by CLOSURE. If false,
+# GDB will simply restart execution at the displaced instruction
+# location, and it is up to the target to ensure GDB will receive
+# control again (e.g. by placing a software breakpoint instruction
+# into the displaced instruction buffer).
+#
+# The default implementation returns false on all targets that
+# provide a gdbarch_software_single_step routine, and true otherwise.
+m:int:displaced_step_hw_singlestep:struct displaced_step_closure *closure:closure::default_displaced_step_hw_singlestep::0
+
+# 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)
+
+# Relocate an instruction to execute at a different address. OLDLOC
+# is the address in the inferior memory where the instruction to
+# relocate is currently at. On input, TO points to the destination
+# where we want the instruction to be copied (and possibly adjusted)
+# to. On output, it points to one past the end of the resulting
+# instruction(s). The effect of executing the instruction at TO shall
+# be the same as if executing it at FROM. For example, call
+# instructions that implicitly push the return address on the stack
+# should be adjusted to return to the instruction after OLDLOC;
+# relative branches, and other PC-relative instructions need the
+# offset adjusted; etc.
+M:void:relocate_instruction:CORE_ADDR *to, CORE_ADDR from:to, from::NULL
+
# Refresh overlay mapped state for section OSECT.
F:void:overlay_update:struct obj_section *osect:osect
M:const struct target_desc *:core_read_description:struct target_ops *target, bfd *abfd:target, abfd
# Handle special encoding of static variables in stabs debug info.
-F:char *:static_transform_name:char *name:name
+F:const char *:static_transform_name:const 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
+
+# Parse the instruction at ADDR storing in the record execution log
+# the registers REGCACHE and memory ranges that will be affected when
+# the instruction executes, along with their current values.
+# Return -1 if something goes wrong, 0 otherwise.
+M:int:process_record:struct regcache *regcache, CORE_ADDR addr:regcache, addr
+
+# Save process state after a signal.
+# Return -1 if something goes wrong, 0 otherwise.
+M:int:process_record_signal:struct regcache *regcache, enum target_signal signal:regcache, signal
+
+# 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
+
+# Function for the 'catch syscall' feature.
+
+# Get architecture-specific system calls information from registers.
+M:LONGEST:get_syscall_number:ptid_t ptid:ptid
+
+# True if the list of shared libraries is one and only for all
+# processes, as opposed to a list of shared libraries per inferior.
+# This usually means that all processes, although may or may not share
+# an address space, will see the same set of symbols at the same
+# addresses.
+v:int:has_global_solist:::0:0::0
+
+# On some targets, even though each inferior has its own private
+# address space, the debug interface takes care of making breakpoints
+# visible to all address spaces automatically. For such cases,
+# this property should be set to true.
+v:int:has_global_breakpoints:::0:0::0
+
+# True if inferiors share an address space (e.g., uClinux).
+m:int:has_shared_address_space:void:::default_has_shared_address_space::0
+
+# True if a fast tracepoint can be set at an address.
+m:int:fast_tracepoint_valid_at:CORE_ADDR addr, int *isize, char **msg:addr, isize, msg::default_fast_tracepoint_valid_at::0
+
+# Return the "auto" target charset.
+f:const char *:auto_charset:void::default_auto_charset:default_auto_charset::0
+# Return the "auto" target wide charset.
+f:const char *:auto_wide_charset:void::default_auto_wide_charset:default_auto_wide_charset::0
+
+# If non-empty, this is a file extension that will be opened in place
+# of the file extension reported by the shared library list.
+#
+# This is most useful for toolchains that use a post-linker tool,
+# where the names of the files run on the target differ in extension
+# compared to the names of the files GDB should load for debug info.
+v:const char *:solib_symbols_extension:::::::pstring (gdbarch->solib_symbols_extension)
+
+# If true, the target OS has DOS-based file system semantics. That
+# is, absolute paths include a drive name, and the backslash is
+# considered a directory separator.
+v:int:has_dos_based_file_system:::0:0::0
+
+# Generate bytecodes to collect the return address in a frame.
+# Since the bytecodes run on the target, possibly with GDB not even
+# connected, the full unwinding machinery is not available, and
+# typically this function will issue bytecodes for one or more likely
+# places that the return address may be found.
+m:void:gen_return_address:struct agent_expr *ax, struct axs_value *value, CORE_ADDR scope:ax, value, scope::default_gen_return_address::0
+
+# Implement the "info proc" command.
+M:void:info_proc:char *args, enum info_proc_what what:args, what
+
EOF
}
/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007, 2008, 2009 Free Software Foundation, Inc.
This file is part of GDB.
If editing this file, please also run gdbarch.sh and merge any
changes into that script. Conversely, when making sweeping changes
to this file, modifying gdbarch.sh and using its output may prove
- easier. */
+ easier. */
EOF
}
struct obstack;
struct bp_target_info;
struct target_desc;
-
-extern struct gdbarch *current_gdbarch;
+struct displaced_step_closure;
+struct core_regset_section;
+struct syscall;
+struct agent_expr;
+struct axs_value;
+
+/* The architecture associated with the connection to the target.
+
+ The architecture vector provides some information that is really
+ a property of the target: The layout of certain packets, for instance;
+ or the solib_ops vector. Etc. To differentiate architecture accesses
+ to per-target properties from per-thread/per-frame/per-objfile properties,
+ accesses to per-target properties should be made through target_gdbarch.
+
+ Eventually, when support for multiple targets is implemented in
+ GDB, this global should be made target-specific. */
+extern struct gdbarch *target_gdbarch;
EOF
# function typedef's
printf "\n"
printf "\n"
-printf "/* The following are pre-initialized by GDBARCH. */\n"
+printf "/* The following are pre-initialized by GDBARCH. */\n"
function_list | while do_read
do
if class_is_info_p
then
printf "\n"
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
- printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
+ printf "/* set_gdbarch_${function}() - not applicable - pre-initialized. */\n"
fi
done
# function typedef's
printf "\n"
printf "\n"
-printf "/* The following are initialized by the target dependent code. */\n"
+printf "/* The following are initialized by the target dependent code. */\n"
function_list | while do_read
do
if [ -n "${comment}" ]
# close it off
cat <<EOF
+/* Definition for an unknown syscall, used basically in error-cases. */
+#define UNKNOWN_SYSCALL (-1)
+
extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
data for all the various GDB components was also considered. Since
GDB is built from a variable number of (fairly independent)
components it was determined that the global aproach was not
- applicable. */
+ applicable. */
/* Register a new architectural family with GDB.
of all the previously created architures for this architecture
family. The (possibly NULL) ARCHES->gdbarch can used to access
values from the previously selected architecture for this
- architecture family. The global \`\`current_gdbarch'' shall not be
- used.
+ architecture family.
The INIT function shall return any of: NULL - indicating that it
doesn't recognize the selected architecture; an existing \`\`struct
The DUMP_TDEP function shall print out all target specific values.
Care should be taken to ensure that the function works in both the
- multi-arch and non- multi-arch cases. */
+ multi-arch and non- multi-arch cases. */
struct gdbarch_list
{
struct gdbarch_info
{
- /* Use default: NULL (ZERO). */
+ /* Use default: NULL (ZERO). */
const struct bfd_arch_info *bfd_arch_info;
/* Use default: BFD_ENDIAN_UNKNOWN (NB: is not ZERO). */
int byte_order;
- /* Use default: NULL (ZERO). */
+ int byte_order_for_code;
+
+ /* Use default: NULL (ZERO). */
bfd *abfd;
- /* Use default: NULL (ZERO). */
+ /* Use default: NULL (ZERO). */
struct gdbarch_tdep_info *tdep_info;
/* Use default: GDB_OSABI_UNINITIALIZED (-1). */
/* Return a freshly allocated, NULL terminated, array of the valid
architecture names. Since architectures are registered during the
_initialize phase this function only returns useful information
- once initialization has been completed. */
+ once initialization has been completed. */
extern const char **gdbarch_printable_names (void);
/* Helper function. Search the list of ARCHES for a GDBARCH that
- matches the information provided by INFO. */
+ matches the information provided by INFO. */
extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *arches, const struct gdbarch_info *info);
/* Helper function. Create a preliminary \`\`struct gdbarch''. Perform
basic initialization using values obtained from the INFO and TDEP
parameters. set_gdbarch_*() functions are called to complete the
- initialization of the object. */
+ initialization of the object. */
extern struct gdbarch *gdbarch_alloc (const struct gdbarch_info *info, struct gdbarch_tdep *tdep);
/* Helper function. Free a partially-constructed \`\`struct gdbarch''.
It is assumed that the caller freeds the \`\`struct
- gdbarch_tdep''. */
+ gdbarch_tdep''. */
extern void gdbarch_free (struct gdbarch *);
#define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
-/* Helper function. Force an update of the current architecture.
+/* Helper function. Force an update of the current architecture.
The actual architecture selected is determined by INFO, \`\`(gdb) set
architecture'' et.al., the existing architecture and BFD's default
architecture. INFO should be initialized to zero and then selected
fields should be updated.
- Returns non-zero if the update succeeds */
+ Returns non-zero if the update succeeds. */
extern int gdbarch_update_p (struct gdbarch_info info);
set, and then finished using gdbarch_info_fill.
Returns the corresponding architecture, or NULL if no matching
- architecture was found. "current_gdbarch" is not updated. */
+ architecture was found. */
extern struct gdbarch *gdbarch_find_by_info (struct gdbarch_info info);
-/* Helper function. Set the global "current_gdbarch" to "gdbarch".
+/* Helper function. Set the global "target_gdbarch" to "gdbarch".
FIXME: kettenis/20031124: Of the functions that follow, only
gdbarch_from_bfd is supposed to survive. The others will
multi-arch. However, for now we're still stuck with the concept of
a single active architecture. */
-extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
+extern void deprecated_target_gdbarch_select_hack (struct gdbarch *gdbarch);
/* Register per-architecture data-pointer.
/* Set the dynamic target-system-dependent parameters (architecture,
- byte-order, ...) using information found in the BFD */
+ byte-order, ...) using information found in the BFD. */
extern void set_gdbarch_from_file (bfd *);
#include "gdb_assert.h"
#include "gdb_string.h"
-#include "gdb-events.h"
#include "reggroups.h"
#include "osabi.h"
#include "gdb_obstack.h"
+#include "observer.h"
+#include "regcache.h"
/* Static function declarations */
return format[0]->name;
}
+static const char *
+pstring (const char *string)
+{
+ if (string == NULL)
+ return "(null)";
+ return string;
+}
+
EOF
# gdbarch open the gdbarch object
printf "\n"
-printf "/* Maintain the struct gdbarch object */\n"
+printf "/* Maintain the struct gdbarch object. */\n"
printf "\n"
printf "struct gdbarch\n"
printf "{\n"
printf " /* An obstack bound to the lifetime of the architecture. */\n"
printf " struct obstack *obstack;\n"
printf "\n"
-printf " /* basic architectural information */\n"
+printf " /* basic architectural information. */\n"
function_list | while do_read
do
if class_is_info_p
fi
done
printf "\n"
-printf " /* target specific vector. */\n"
+printf " /* target specific vector. */\n"
printf " struct gdbarch_tdep *tdep;\n"
printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
printf "\n"
-printf " /* per-architecture data-pointers */\n"
+printf " /* per-architecture data-pointers. */\n"
printf " unsigned nr_data;\n"
printf " void **data;\n"
printf "\n"
-printf " /* per-architecture swap-regions */\n"
+printf " /* per-architecture swap-regions. */\n"
printf " struct gdbarch_swap *swap;\n"
printf "\n"
cat <<EOF
printf "\n"
cat <<EOF
/* The default architecture uses host values (for want of a better
- choice). */
+ choice). */
EOF
printf "\n"
printf "extern const struct bfd_arch_info bfd_default_arch_struct;\n"
printf "{\n"
printf " 1, /* Always initialized. */\n"
printf " NULL, /* The obstack. */\n"
-printf " /* basic architecture information */\n"
+printf " /* basic architecture information. */\n"
function_list | while do_read
do
if class_is_info_p
fi
done
cat <<EOF
- /* target specific vector and its dump routine */
+ /* target specific vector and its dump routine. */
NULL, NULL,
- /*per-architecture data-pointers and swap regions */
+ /*per-architecture data-pointers and swap regions. */
0, NULL, NULL,
/* Multi-arch values */
EOF
/* startup_gdbarch() */
};
-struct gdbarch *current_gdbarch = &startup_gdbarch;
+struct gdbarch *target_gdbarch = &startup_gdbarch;
EOF
# Create a new gdbarch struct
cat <<EOF
/* Create a new \`\`struct gdbarch'' based on information provided by
- \`\`struct gdbarch_info''. */
+ \`\`struct gdbarch_info''. */
EOF
printf "\n"
cat <<EOF
fi
done
printf "\n"
-printf " /* Force the explicit initialization of these. */\n"
+printf " /* Force the explicit initialization of these. */\n"
function_list | while do_read
do
if class_is_function_p || class_is_variable_p
gdbarch_obstack_zalloc (struct gdbarch *arch, long size)
{
void *data = obstack_alloc (arch->obstack, size);
+
memset (data, 0, size);
return data;
}
gdbarch_free (struct gdbarch *arch)
{
struct obstack *obstack;
+
gdb_assert (arch != NULL);
gdb_assert (!arch->initialized_p);
obstack = arch->obstack;
{
struct ui_file *log;
struct cleanup *cleanups;
- long dummy;
+ long length;
char *buf;
+
log = mem_fileopen ();
cleanups = make_cleanup_ui_file_delete (log);
/* fundamental */
fprintf_unfiltered (log, "\n\tbyte-order");
if (gdbarch->bfd_arch_info == NULL)
fprintf_unfiltered (log, "\n\tbfd_arch_info");
- /* Check those that need to be defined for the given multi-arch level. */
+ /* Check those that need to be defined for the given multi-arch level. */
EOF
function_list | while do_read
do
printf " /* Skip verify of ${function}, invalid_p == 0 */\n"
elif class_is_predicate_p
then
- printf " /* Skip verify of ${function}, has predicate */\n"
+ printf " /* Skip verify of ${function}, has predicate. */\n"
# FIXME: See do_read for potential simplification
elif [ -n "${invalid_p}" -a -n "${postdefault}" ]
then
fi
done
cat <<EOF
- buf = ui_file_xstrdup (log, &dummy);
+ buf = ui_file_xstrdup (log, &length);
make_cleanup (xfree, buf);
- if (strlen (buf) > 0)
+ if (length > 0)
internal_error (__FILE__, __LINE__,
_("verify_gdbarch: the following are invalid ...%s"),
buf);
printf "\n"
printf "\n"
cat <<EOF
-/* Print out the details of the current architecture. */
+/* Print out the details of the current architecture. */
void
gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
{
- const char *gdb_xm_file = "<not-defined>";
const char *gdb_nm_file = "<not-defined>";
- const char *gdb_tm_file = "<not-defined>";
-#if defined (GDB_XM_FILE)
- gdb_xm_file = GDB_XM_FILE;
-#endif
- fprintf_unfiltered (file,
- "gdbarch_dump: GDB_XM_FILE = %s\\n",
- gdb_xm_file);
+
#if defined (GDB_NM_FILE)
gdb_nm_file = GDB_NM_FILE;
#endif
fprintf_unfiltered (file,
"gdbarch_dump: GDB_NM_FILE = %s\\n",
gdb_nm_file);
-#if defined (GDB_TM_FILE)
- gdb_tm_file = GDB_TM_FILE;
-#endif
- fprintf_unfiltered (file,
- "gdbarch_dump: GDB_TM_FILE = %s\\n",
- gdb_tm_file);
EOF
function_list | sort -t: -k 3 | while do_read
do
if class_is_function_p
then
printf " fprintf_unfiltered (file,\n"
- printf " \"gdbarch_dump: ${function} = <0x%%lx>\\\\n\",\n"
- printf " (long) gdbarch->${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"
/* Keep a registry of per-architecture data-pointers required by GDB
- modules. */
+ modules. */
struct gdbarch_data
{
gdbarch_data_post_init_ftype *post_init)
{
struct gdbarch_data_registration **curr;
- /* Append the new registraration. */
+
+ /* Append the new registration. */
for (curr = &gdbarch_data_registry.registrations;
(*curr) != NULL;
curr = &(*curr)->next);
return gdbarch_data_register (NULL, post_init);
}
-/* Create/delete the gdbarch data vector. */
+/* Create/delete the gdbarch data vector. */
static void
alloc_gdbarch_data (struct gdbarch *gdbarch)
}
/* Initialize the current value of the specified per-architecture
- data-pointer. */
+ data-pointer. */
void
deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
}
/* Return the current value of the specified per-architecture
- data-pointer. */
+ data-pointer. */
void *
gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
}
-/* Keep a registry of the architectures known by GDB. */
+/* Keep a registry of the architectures known by GDB. */
struct gdbarch_registration
{
gdbarch_printable_names (void)
{
/* Accumulate a list of names based on the registed list of
- architectures. */
- enum bfd_architecture a;
+ architectures. */
int nr_arches = 0;
const char **arches = NULL;
struct gdbarch_registration *rego;
+
for (rego = gdbarch_registry;
rego != NULL;
rego = rego->next)
{
struct gdbarch_registration **curr;
const struct bfd_arch_info *bfd_arch_info;
+
/* Check that BFD recognizes this architecture */
bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
if (bfd_arch_info == NULL)
{
internal_error (__FILE__, __LINE__,
- _("gdbarch: Attempt to register unknown architecture (%d)"),
+ _("gdbarch: Attempt to register "
+ "unknown architecture (%d)"),
bfd_architecture);
}
- /* Check that we haven't seen this architecture before */
+ /* Check that we haven't seen this architecture before. */
for (curr = &gdbarch_registry;
(*curr) != NULL;
curr = &(*curr)->next)
{
if (bfd_architecture == (*curr)->bfd_architecture)
internal_error (__FILE__, __LINE__,
- _("gdbarch: Duplicate registraration of architecture (%s)"),
+ _("gdbarch: Duplicate registration "
+ "of architecture (%s)"),
bfd_arch_info->printable_name);
}
/* 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;
/* Find an architecture that matches the specified INFO. Create a new
- architecture if needed. Return that new architecture. Assumes
- that there is no current architecture. */
+ architecture if needed. Return that new architecture. */
-static struct gdbarch *
-find_arch_by_info (struct gdbarch_info info)
+struct gdbarch *
+gdbarch_find_by_info (struct gdbarch_info info)
{
struct gdbarch *new_gdbarch;
struct gdbarch_registration *rego;
- /* The existing architecture has been swapped out - all this code
- works from a clean slate. */
- gdb_assert (current_gdbarch == NULL);
-
/* Fill in missing parts of the INFO struct using a number of
sources: "set ..."; INFOabfd supplied; and the global
defaults. */
gdbarch_info_fill (&info);
- /* Must have found some sort of architecture. */
+ /* Must have found some sort of architecture. */
gdb_assert (info.bfd_arch_info != NULL);
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.bfd_arch_info %s\n",
+ "gdbarch_find_by_info: info.bfd_arch_info %s\n",
(info.bfd_arch_info != NULL
? info.bfd_arch_info->printable_name
: "(null)"));
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.byte_order %d (%s)\n",
+ "gdbarch_find_by_info: info.byte_order %d (%s)\n",
info.byte_order,
(info.byte_order == BFD_ENDIAN_BIG ? "big"
: info.byte_order == BFD_ENDIAN_LITTLE ? "little"
: "default"));
fprintf_unfiltered (gdb_stdlog,
- "find_arch_by_info: info.osabi %d (%s)\n",
+ "gdbarch_find_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);
+ "gdbarch_find_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);
+ "gdbarch_find_by_info: info.tdep_info %s\n",
+ host_address_to_string (info.tdep_info));
}
/* Find the tdep code that knows about this architecture. */
if (rego == NULL)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
"No matching architecture\n");
return 0;
}
if (new_gdbarch == NULL)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
"Target rejected architecture\n");
return NULL;
}
struct gdbarch_list **list;
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,
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
+ "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;
/* 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,
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_find_by_info: "
+ "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
return new_gdbarch;
}
-struct gdbarch *
-gdbarch_find_by_info (struct gdbarch_info info)
-{
- struct gdbarch *new_gdbarch;
-
- /* Save the previously selected architecture, setting the global to
- NULL. This stops things like gdbarch->init() trying to use the
- previous architecture's configuration. The previous architecture
- may not even be of the same architecture family. The most recent
- architecture of the same family is found at the head of the
- rego->arches list. */
- struct gdbarch *old_gdbarch = current_gdbarch;
- current_gdbarch = NULL;
-
- /* Find the specified architecture. */
- new_gdbarch = find_arch_by_info (info);
-
- /* Restore the existing architecture. */
- gdb_assert (current_gdbarch == NULL);
- current_gdbarch = old_gdbarch;
-
- return new_gdbarch;
-}
-
/* Make the specified architecture current. */
void
-deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
+deprecated_target_gdbarch_select_hack (struct gdbarch *new_gdbarch)
{
gdb_assert (new_gdbarch != NULL);
- 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);
void
_initialize_gdbarch (void)
{
- struct cmd_list_element *c;
-
add_setshow_zinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\
Set architecture debugging."), _("\\
Show architecture debugging."), _("\\
projects / deliverable / binutils-gdb.git / blobdiff