X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fgdbarch.sh;h=37f59b7b93a39f2d554008a3e461c876ab4888ce;hb=173981bc49c9e8fce9271cb47714952dbe2ec627;hp=00326e6ca47ccef06c3d5594e492fa966ce1cdc4;hpb=064f515651b1e730c60652eaf07f94c22841d475;p=deliverable%2Fbinutils-gdb.git
diff --git a/gdb/gdbarch.sh b/gdb/gdbarch.sh
index 00326e6ca4..37f59b7b93 100755
--- a/gdb/gdbarch.sh
+++ b/gdb/gdbarch.sh
@@ -2,14 +2,13 @@
# 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) 1998-2016 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
-# 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,
@@ -18,14 +17,12 @@
# 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 .
# 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 ()
@@ -44,13 +41,16 @@ compare_new ()
# Format of the input table
-read="class macro returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol"
+read="class returntype function formal actual staticdefault predefault postdefault invalid_p print garbage_at_eol"
do_read ()
{
comment=""
class=""
- while read line
+ # On some SH's, 'read' trims leading and trailing whitespace by
+ # default (e.g., bash), while on others (e.g., dash), it doesn't.
+ # Set IFS to empty to disable the trimming everywhere.
+ while IFS='' read line
do
if test "${line}" = ""
then
@@ -92,29 +92,6 @@ EOF
fi
done
- FUNCTION=`echo ${function} | tr '[a-z]' '[A-Z]'`
- if test "x${macro}" = "x="
- then
- # Provide a UCASE version of function (for when there isn't MACRO)
- macro="${FUNCTION}"
- elif test "${macro}" = "${FUNCTION}"
- then
- echo "${function}: Specify = for macro field" 1>&2
- kill $$
- exit 1
- fi
-
- # Check that macro definition wasn't supplied for multi-arch
- case "${class}" in
- [mM] )
- if test "${macro}" != ""
- then
- echo "Error: Function ${function} multi-arch yet macro ${macro} supplied" 1>&2
- kill $$
- exit 1
- fi
- esac
-
case "${class}" in
m ) staticdefault="${predefault}" ;;
M ) staticdefault="0" ;;
@@ -247,12 +224,6 @@ do
# M -> multi-arch function + predicate
# hiding a multi-arch function + predicate to test function validity
- macro ) : ;;
-
- # The name of the legacy C macro by which this method can be
- # accessed. If empty, no macro is defined. If "=", a macro
- # formed from the upper-case function name is used.
-
returntype ) : ;;
# For functions, the return type; for variables, the data type
@@ -323,7 +294,7 @@ do
# You cannot specify both a zero INVALID_P and a POSTDEFAULT.
- # Variable declarations can refer to ``current_gdbarch'' which
+ # Variable declarations can refer to ``gdbarch'' which
# will contain the current architecture. Care should be
# taken.
@@ -349,8 +320,8 @@ 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 ) : ;;
@@ -367,39 +338,50 @@ function_list ()
{
# See below (DOCO) for description of each field
cat <printable_name
+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:enum bfd_endian:byte_order:::BFD_ENDIAN_BIG
+i:enum bfd_endian:byte_order_for_code:::BFD_ENDIAN_BIG
#
-i::enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN
+i:enum gdb_osabi:osabi:::GDB_OSABI_UNKNOWN
#
-i::const struct target_desc *:target_desc:::::::paddr_d ((long) current_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 but describes the target machine.
# v:TARGET_CHAR_BIT:int:char_bit::::8 * sizeof (char):8::0:
#
# Number of bits in a short or unsigned short for the target machine.
-v::int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0
+v:int:short_bit:::8 * sizeof (short):2*TARGET_CHAR_BIT::0
# Number of bits in an int or unsigned int for the target machine.
-v::int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0
+v:int:int_bit:::8 * sizeof (int):4*TARGET_CHAR_BIT::0
# Number of bits in a long or unsigned long for the target machine.
-v::int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::0
+v:int:long_bit:::8 * sizeof (long):4*TARGET_CHAR_BIT::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*current_gdbarch->long_bit::0
+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:float_bit:::8 * sizeof (float):4*TARGET_CHAR_BIT::0
-v::const struct floatformat **:float_format:::::floatformats_ieee_single::pformat (current_gdbarch->float_format)
-v::int:double_bit:::8 * sizeof (double):8*TARGET_CHAR_BIT::0
-v::const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (current_gdbarch->double_format)
-v::int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
-v::const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (current_gdbarch->long_double_format)
+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
+v:const struct floatformat **:double_format:::::floatformats_ieee_double::pformat (gdbarch->double_format)
+v:int:long_double_bit:::8 * sizeof (long double):8*TARGET_CHAR_BIT::0
+v:const struct floatformat **:long_double_format:::::floatformats_ieee_double::pformat (gdbarch->long_double_format)
# For most targets, a pointer on the target and its representation as an
# address in GDB have the same size and "look the same". For such a
@@ -407,123 +389,177 @@ v::const struct floatformat **:long_double_format:::::floatformats_ieee_double::
# / 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*):current_gdbarch->int_bit::0
+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 (current_gdbarch):
+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
+v:int:char_signed:::1:-1:1
#
-F::CORE_ADDR:read_pc:struct regcache *regcache:regcache
-F::void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val
+F:CORE_ADDR:read_pc:struct regcache *regcache:regcache
+F:void:write_pc:struct regcache *regcache, CORE_ADDR val:regcache, val
# Function for getting target's idea of a frame pointer. FIXME: GDB's
# whole scheme for dealing with "frames" and "frame pointers" needs a
# serious shakedown.
-f::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: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::void:pseudo_register_write:struct regcache *regcache, int cookednum, const 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
+v:int:num_regs:::0:-1
# This macro gives the number of pseudo-registers that live in the
# register namespace but do not get fetched or stored on the target.
# These pseudo-registers may be aliases for other registers,
# combinations of other registers, or they may be computed by GDB.
-v::int:num_pseudo_regs:::0:0::0
+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
+
+# Some targets/architectures can do extra processing/display of
+# segmentation faults. E.g., Intel MPX boundary faults.
+# Call the architecture dependent function to handle the fault.
+# UIOUT is the output stream where the handler will place information.
+M:void:handle_segmentation_fault:struct ui_out *uiout:uiout
# 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).
# gdbarch_sp_regnum will hopefully be replaced by UNWIND_SP.
-v::int:sp_regnum:::-1:-1::0
-v::int:pc_regnum:::-1:-1::0
-v::int:ps_regnum:::-1:-1::0
-v::int:fp0_regnum:::0:-1::0
+v:int:sp_regnum:::-1:-1::0
+v:int:pc_regnum:::-1:-1::0
+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
-f::const char *:register_name:int regnr:regnr
+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.
+# Return -1 for bad REGNUM. Note: Several targets get this wrong.
+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
# the register cache should call this function directly; others should
# use "register_type".
-M::struct type *:register_type:int reg_nr:reg_nr
+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
-
-# See gdbint.texinfo. See infcall.c.
-M::CORE_ADDR:push_dummy_call:struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:function, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr
-# DEPRECATED_REGISTER_SIZE can be deleted.
-v:=:int:deprecated_register_size
-v::int:call_dummy_location::::AT_ENTRY_POINT::0
-M::CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, int using_gcc, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache:sp, funaddr, using_gcc, args, nargs, value_type, real_pc, bp_addr, regcache
-
-m::void:print_registers_info:struct ui_file *file, struct frame_info *frame, int regnum, int all:file, frame, regnum, all::default_print_registers_info::0
-M::void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
-M::void:print_vector_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args
+v:int:deprecated_fp_regnum:::-1:-1::0
+
+M:CORE_ADDR:push_dummy_call:struct value *function, struct regcache *regcache, CORE_ADDR bp_addr, int nargs, struct value **args, CORE_ADDR sp, int struct_return, CORE_ADDR struct_addr:function, regcache, bp_addr, nargs, args, sp, struct_return, struct_addr
+v:int:call_dummy_location::::AT_ENTRY_POINT::0
+M:CORE_ADDR:push_dummy_code:CORE_ADDR sp, CORE_ADDR funaddr, struct value **args, int nargs, struct type *value_type, CORE_ADDR *real_pc, CORE_ADDR *bp_addr, struct regcache *regcache:sp, funaddr, args, nargs, value_type, real_pc, bp_addr, regcache
+
+m:void:print_registers_info:struct ui_file *file, struct frame_info *frame, int regnum, int all:file, frame, regnum, all::default_print_registers_info::0
+m:void:print_float_info:struct ui_file *file, struct frame_info *frame, const char *args:file, frame, args::default_print_float_info::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
-# setjmp/longjmp support.
-F::int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc
+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
+
+# Determine the address where a longjmp will land and save this address
+# in PC. Return nonzero on success.
+#
+# FRAME corresponds to the longjmp frame.
+F:int:get_longjmp_target:struct frame_info *frame, CORE_ADDR *pc:frame, pc
+
#
-v:=:int:believe_pcc_promotion:::::::
+v:int:believe_pcc_promotion:::::::
#
-f::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::void:value_to_register:struct frame_info *frame, int regnum, struct type *type, const gdb_byte *buf:frame, regnum, type, buf:0
+m:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::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
+# frame FRAME_ID, interpreted as type TYPE. The routine needs to
# allocate and return a struct value with all value attributes
# (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
+m:struct value *:value_from_register:struct type *type, int regnum, struct frame_id frame_id:type, regnum, frame_id::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:integer_to_address:struct type *type, const gdb_byte *buf:type, buf
+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.
-
-# NOTE: cagney/2004-06-13: The function stack.c:return_command uses
-# the predicate with default hack to avoid calling store_return_value
-# (via legacy_return_value), when a small struct is involved.
-
-M::enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:valtype, regcache, readbuf, writebuf::legacy_return_value
-
-# The deprecated methods extract_return_value, store_return_value,
-# DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS and
-# deprecated_use_struct_convention have all been folded into
-# RETURN_VALUE.
-
-f::void:extract_return_value:struct type *type, struct regcache *regcache, gdb_byte *valbuf:type, regcache, valbuf:0
-f::void:store_return_value:struct type *type, struct regcache *regcache, const gdb_byte *valbuf:type, regcache, valbuf:0
-f::int:deprecated_use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type::generic_use_struct_convention::0
-
-f::CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
-f::int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0
-f::const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::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
-v::CORE_ADDR:decr_pc_after_break:::0:::0
+# Return the return-value convention that will be used by FUNCTION
+# to return a value of type VALTYPE. FUNCTION 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 value *function, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:function, valtype, regcache, readbuf, writebuf
+
+# Return true if the return value of function is stored in the first hidden
+# parameter. In theory, this feature should be language-dependent, specified
+# by language and its ABI, such as C++. Unfortunately, compiler may
+# implement it to a target-dependent feature. So that we need such hook here
+# to be aware of this in GDB.
+m:int:return_in_first_hidden_param_p:struct type *type:type::default_return_in_first_hidden_param_p::0
+
+m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
+M:CORE_ADDR:skip_main_prologue:CORE_ADDR ip:ip
+# On some platforms, a single function may provide multiple entry points,
+# e.g. one that is used for function-pointer calls and a different one
+# that is used for direct function calls.
+# In order to ensure that breakpoints set on the function will trigger
+# no matter via which entry point the function is entered, a platform
+# may provide the skip_entrypoint callback. It is called with IP set
+# to the main entry point of a function (as determined by the symbol table),
+# and should return the address of the innermost entry point, where the
+# actual breakpoint needs to be set. Note that skip_entrypoint is used
+# by GDB common code even when debugging optimized code, where skip_prologue
+# is not used.
+M:CORE_ADDR:skip_entrypoint: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
+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
# descriptor address) or "entry point" (first executable instruction).
@@ -533,30 +569,27 @@ v::CORE_ADDR:decr_pc_after_break:::0:::0
# corresponds to the "function pointer" and the function's start
# corresponds to the "function entry point" - and hence is redundant.
-v::CORE_ADDR:deprecated_function_start_offset:::0:::0
+v:CORE_ADDR:deprecated_function_start_offset:::0:::0
# Return the remote protocol register number associated with this
# register. Normally the identity mapping.
-m::int:remote_register_number:int regno:regno::default_remote_register_number::0
+m:int:remote_register_number:int regno:regno::default_remote_register_number::0
# Fetch the target specific address used to represent a load module.
-F::CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile
+F:CORE_ADDR:fetch_tls_load_module_address:struct objfile *objfile:objfile
#
-v::CORE_ADDR:frame_args_skip:::0:::0
-M::CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
-M::CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
+v:CORE_ADDR:frame_args_skip:::0:::0
+M:CORE_ADDR:unwind_pc:struct frame_info *next_frame:next_frame
+M:CORE_ADDR:unwind_sp:struct frame_info *next_frame:next_frame
# DEPRECATED_FRAME_LOCALS_ADDRESS as been replaced by the per-frame
# frame-base. Enable frame-base before frame-unwind.
-F::int:frame_num_args:struct frame_info *frame:frame
+F:int:frame_num_args:struct frame_info *frame:frame
#
-M::CORE_ADDR:frame_align:CORE_ADDR address:address
-# deprecated_reg_struct_has_addr has been replaced by
-# stabs_argument_has_addr.
-F::int:deprecated_reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type
-m::int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0
-v::int:frame_red_zone_size
+M:CORE_ADDR:frame_align:CORE_ADDR address:address
+m:int:stabs_argument_has_addr:struct type *type:type::default_stabs_argument_has_addr::0
+v:int:frame_red_zone_size
#
-m::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_addr_identity::0
+m:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:addr, targ::convert_from_func_ptr_addr_identity::0
# On some machines there are bits in addresses which are not really
# part of the address, but are used by the kernel, the hardware, etc.
# for special purposes. gdbarch_addr_bits_remove takes out any such bits so
@@ -566,92 +599,542 @@ m::CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr, struct target_ops *targ:
# 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
-# 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:addr_bits_remove: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
# implement it.
#
-# FIXME/cagney/2001-01-18: This should be replaced with something that inserts
-# breakpoints using the breakpoint system instead of blatting memory directly
-# (as with rs6000).
-#
# FIXME/cagney/2001-01-18: The logic is backwards. It should be asking if the
# target can single step. If not, then implement single step using breakpoints.
#
-# A return value of 1 means that the software_single_step breakpoints
+# A return value of 1 means that the software_single_step breakpoints
# were inserted; 0 means they were not.
-F:=:int:software_single_step:struct frame_info *frame:frame
+F:int:software_single_step:struct frame_info *frame:frame
# Return non-zero if the processor is executing a delay slot and a
# further single-step is needed before the instruction finishes.
-M::int:single_step_through_delay:struct frame_info *frame:frame
+M:int:single_step_through_delay:struct frame_info *frame:frame
# FIXME: cagney/2003-08-28: Need to find a better way of selecting the
# disassembler. Perhaps objdump can handle it?
-f:TARGET_PRINT_INSN: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
+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
+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
-# as the first action in a funtion's epilogue. in_function_epilogue_p()
+# as the first action in a function's epilogue. stack_frame_destroyed_p()
# is defined to return a non-zero value if either the given addr is one
# instruction after the stack destroying instruction up to the trailing
# return instruction or if we can figure out that the stack frame has
# already been invalidated regardless of the value of addr. Targets
# 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:current_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
-M::const char *:address_class_type_flags_to_name:int type_flags:type_flags
-M::int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
+m:int:stack_frame_destroyed_p:CORE_ADDR addr:addr:0:generic_stack_frame_destroyed_p::0
+# Process an ELF symbol in the minimal symbol table in a backend-specific
+# way. Normally this hook is supposed to do nothing, however if required,
+# then this hook can be used to apply tranformations to symbols that are
+# considered special in some way. For example the MIPS backend uses it
+# to interpret \`st_other' information to mark compressed code symbols so
+# that they can be treated in the appropriate manner in the processing of
+# the main symbol table and DWARF-2 records.
+F:void:elf_make_msymbol_special:asymbol *sym, struct minimal_symbol *msym:sym, msym
+f:void:coff_make_msymbol_special:int val, struct minimal_symbol *msym:val, msym::default_coff_make_msymbol_special::0
+# Process a symbol in the main symbol table in a backend-specific way.
+# Normally this hook is supposed to do nothing, however if required,
+# then this hook can be used to apply tranformations to symbols that
+# are considered special in some way. This is currently used by the
+# MIPS backend to make sure compressed code symbols have the ISA bit
+# set. This in turn is needed for symbol values seen in GDB to match
+# the values used at the runtime by the program itself, for function
+# and label references.
+f:void:make_symbol_special:struct symbol *sym, struct objfile *objfile:sym, objfile::default_make_symbol_special::0
+# Adjust the address retrieved from a DWARF-2 record other than a line
+# entry in a backend-specific way. Normally this hook is supposed to
+# return the address passed unchanged, however if that is incorrect for
+# any reason, then this hook can be used to fix the address up in the
+# required manner. This is currently used by the MIPS backend to make
+# sure addresses in FDE, range records, etc. referring to compressed
+# code have the ISA bit set, matching line information and the symbol
+# table.
+f:CORE_ADDR:adjust_dwarf2_addr:CORE_ADDR pc:pc::default_adjust_dwarf2_addr::0
+# Adjust the address updated by a line entry in a backend-specific way.
+# Normally this hook is supposed to return the address passed unchanged,
+# however in the case of inconsistencies in these records, this hook can
+# be used to fix them up in the required manner. This is currently used
+# by the MIPS backend to make sure all line addresses in compressed code
+# are presented with the ISA bit set, which is not always the case. This
+# in turn ensures breakpoint addresses are correctly matched against the
+# stop PC.
+f:CORE_ADDR:adjust_dwarf2_line:CORE_ADDR addr, int rel:addr, rel::default_adjust_dwarf2_line::0
+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
+M:const char *:address_class_type_flags_to_name:int type_flags:type_flags
+
+# Return the appropriate type_flags for the supplied address class.
+# This function should return 1 if the address class was recognized and
+# type_flags was set, zero otherwise.
+M:int:address_class_name_to_type_flags:const char *name, int *type_flags_ptr:name, type_flags_ptr
# Is a register in a group
-m::int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0
+m:int:register_reggroup_p:int regnum, struct reggroup *reggroup:regnum, reggroup::default_register_reggroup_p::0
# Fetch the pointer to the ith function argument.
-F::CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
+F:CORE_ADDR:fetch_pointer_argument:struct frame_info *frame, int argi, struct type *type:frame, argi, type
-# Return the appropriate register set for a core file section with
-# 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
+# Iterate over all supported register notes in a core file. For each
+# supported register note section, the iterator must call CB and pass
+# CB_DATA unchanged. If REGCACHE is not NULL, the iterator can limit
+# the supported register note sections based on the current register
+# values. Otherwise it should enumerate all supported register note
+# sections.
+M:void:iterate_over_regset_sections:iterate_over_regset_sections_cb *cb, void *cb_data, const struct regcache *regcache:cb, cb_data, regcache
+
+# Create core file notes
+M:char *:make_corefile_notes:bfd *obfd, int *note_size:obfd, note_size
+
+# The elfcore writer hook to use to write Linux prpsinfo notes to core
+# files. Most Linux architectures use the same prpsinfo32 or
+# prpsinfo64 layouts, and so won't need to provide this hook, as we
+# call the Linux generic routines in bfd to write prpsinfo notes by
+# default.
+F:char *:elfcore_write_linux_prpsinfo:bfd *obfd, char *note_data, int *note_size, const struct elf_internal_linux_prpsinfo *info:obfd, note_data, note_size, info
+
+# 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. Return the number of bytes read
+# (zero indicates failure).
+# failed, otherwise, return the red length of READBUF.
+M:ULONGEST:core_xfer_shared_libraries:gdb_byte *readbuf, ULONGEST offset, ULONGEST len:readbuf, offset, len
+
+# Read offset OFFSET of TARGET_OBJECT_LIBRARIES_AIX formatted shared
+# libraries list from core file into buffer READBUF with length LEN.
+# Return the number of bytes read (zero indicates failure).
+M:ULONGEST:core_xfer_shared_libraries_aix:gdb_byte *readbuf, ULONGEST offset, ULONGEST 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
+
+# How the core target extracts the name of a thread from a core file.
+M:const char *:core_thread_name:struct thread_info *thr:thr
+
+# 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.
-v::int:vtable_function_descriptors:::0:0::0
+v:int:vtable_function_descriptors:::0:0::0
# Set if the least significant bit of the delta is used instead of the least
# significant bit of the pfn for pointers to virtual member functions.
-v::int:vbit_in_delta:::0:0::0
+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
+f:void:skip_permanent_breakpoint:struct regcache *regcache:regcache:default_skip_permanent_breakpoint:default_skip_permanent_breakpoint::0
+
+# 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.
+#
+# If the instruction cannot execute out of line, return NULL. The
+# core falls back to stepping past the instruction in-line instead in
+# that case.
+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
+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: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 gdb_signal signal:regcache, signal
+
+# Signal translation: translate inferior's signal (target's) number
+# into GDB's representation. The implementation of this method must
+# be host independent. IOW, don't rely on symbols of the NAT_FILE
+# header (the nm-*.h files), the host header, or similar
+# headers. This is mainly used when cross-debugging core files ---
+# "Live" targets hide the translation behind the target interface
+# (target_wait, target_resume, etc.).
+M:enum gdb_signal:gdb_signal_from_target:int signo:signo
+
+# Signal translation: translate the GDB's internal signal number into
+# the inferior's signal (target's) representation. The implementation
+# of this method must be host independent. IOW, don't rely on symbols
+# of the NAT_FILE header (the nm-*.h files), the host
+# header, or similar headers.
+# Return the target signal number if found, or -1 if the GDB internal
+# signal number is invalid.
+M:int:gdb_signal_to_target:enum gdb_signal signal:signal
+
+# 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
+
+# The filename of the XML syscall for this architecture.
+v:const char *:xml_syscall_file:::0:0::0:pstring (gdbarch->xml_syscall_file)
+
+# Information about system calls from this architecture
+v:struct syscalls_info *:syscalls_info:::0:0::0:host_address_to_string (gdbarch->syscalls_info)
+
+# SystemTap related fields and functions.
+
+# A NULL-terminated array of prefixes used to mark an integer constant
+# on the architecture's assembly.
+# For example, on x86 integer constants are written as:
+#
+# \$10 ;; integer constant 10
+#
+# in this case, this prefix would be the character \`\$\'.
+v:const char *const *:stap_integer_prefixes:::0:0::0:pstring_list (gdbarch->stap_integer_prefixes)
+
+# A NULL-terminated array of suffixes used to mark an integer constant
+# on the architecture's assembly.
+v:const char *const *:stap_integer_suffixes:::0:0::0:pstring_list (gdbarch->stap_integer_suffixes)
+
+# A NULL-terminated array of prefixes used to mark a register name on
+# the architecture's assembly.
+# For example, on x86 the register name is written as:
+#
+# \%eax ;; register eax
+#
+# in this case, this prefix would be the character \`\%\'.
+v:const char *const *:stap_register_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_prefixes)
+
+# A NULL-terminated array of suffixes used to mark a register name on
+# the architecture's assembly.
+v:const char *const *:stap_register_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_suffixes)
+
+# A NULL-terminated array of prefixes used to mark a register
+# indirection on the architecture's assembly.
+# For example, on x86 the register indirection is written as:
+#
+# \(\%eax\) ;; indirecting eax
+#
+# in this case, this prefix would be the charater \`\(\'.
+#
+# Please note that we use the indirection prefix also for register
+# displacement, e.g., \`4\(\%eax\)\' on x86.
+v:const char *const *:stap_register_indirection_prefixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_prefixes)
+
+# A NULL-terminated array of suffixes used to mark a register
+# indirection on the architecture's assembly.
+# For example, on x86 the register indirection is written as:
+#
+# \(\%eax\) ;; indirecting eax
+#
+# in this case, this prefix would be the charater \`\)\'.
+#
+# Please note that we use the indirection suffix also for register
+# displacement, e.g., \`4\(\%eax\)\' on x86.
+v:const char *const *:stap_register_indirection_suffixes:::0:0::0:pstring_list (gdbarch->stap_register_indirection_suffixes)
+
+# Prefix(es) used to name a register using GDB's nomenclature.
+#
+# For example, on PPC a register is represented by a number in the assembly
+# language (e.g., \`10\' is the 10th general-purpose register). However,
+# inside GDB this same register has an \`r\' appended to its name, so the 10th
+# register would be represented as \`r10\' internally.
+v:const char *:stap_gdb_register_prefix:::0:0::0:pstring (gdbarch->stap_gdb_register_prefix)
+
+# Suffix used to name a register using GDB's nomenclature.
+v:const char *:stap_gdb_register_suffix:::0:0::0:pstring (gdbarch->stap_gdb_register_suffix)
+
+# Check if S is a single operand.
+#
+# Single operands can be:
+# \- Literal integers, e.g. \`\$10\' on x86
+# \- Register access, e.g. \`\%eax\' on x86
+# \- Register indirection, e.g. \`\(\%eax\)\' on x86
+# \- Register displacement, e.g. \`4\(\%eax\)\' on x86
+#
+# This function should check for these patterns on the string
+# and return 1 if some were found, or zero otherwise. Please try to match
+# as much info as you can from the string, i.e., if you have to match
+# something like \`\(\%\', do not match just the \`\(\'.
+M:int:stap_is_single_operand:const char *s:s
+
+# Function used to handle a "special case" in the parser.
+#
+# A "special case" is considered to be an unknown token, i.e., a token
+# that the parser does not know how to parse. A good example of special
+# case would be ARM's register displacement syntax:
+#
+# [R0, #4] ;; displacing R0 by 4
+#
+# Since the parser assumes that a register displacement is of the form:
+#
+#
+#
+# it means that it will not be able to recognize and parse this odd syntax.
+# Therefore, we should add a special case function that will handle this token.
+#
+# This function should generate the proper expression form of the expression
+# using GDB\'s internal expression mechanism (e.g., \`write_exp_elt_opcode\'
+# and so on). It should also return 1 if the parsing was successful, or zero
+# if the token was not recognized as a special token (in this case, returning
+# zero means that the special parser is deferring the parsing to the generic
+# parser), and should advance the buffer pointer (p->arg).
+M:int:stap_parse_special_token:struct stap_parse_info *p:p
+
+# DTrace related functions.
+
+# The expression to compute the NARTGth+1 argument to a DTrace USDT probe.
+# NARG must be >= 0.
+M:void:dtrace_parse_probe_argument:struct parser_state *pstate, int narg:pstate, narg
+
+# True if the given ADDR does not contain the instruction sequence
+# corresponding to a disabled DTrace is-enabled probe.
+M:int:dtrace_probe_is_enabled:CORE_ADDR addr:addr
+
+# Enable a DTrace is-enabled probe at ADDR.
+M:void:dtrace_enable_probe:CORE_ADDR addr:addr
+
+# Disable a DTrace is-enabled probe at ADDR.
+M:void:dtrace_disable_probe:CORE_ADDR addr:addr
+
+# 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, char **msg:addr, msg::default_fast_tracepoint_valid_at::0
+
+# Guess register state based on tracepoint location. Used for tracepoints
+# where no registers have been collected, but there's only one location,
+# allowing us to guess the PC value, and perhaps some other registers.
+# On entry, regcache has all registers marked as unavailable.
+m:void:guess_tracepoint_registers:struct regcache *regcache, CORE_ADDR addr:regcache, addr::default_guess_tracepoint_registers::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:const char *args, enum info_proc_what what:args, what
+
+# Implement the "info proc" command for core files. Noe that there
+# are two "info_proc"-like methods on gdbarch -- one for core files,
+# one for live targets.
+M:void:core_info_proc:const char *args, enum info_proc_what what:args, what
+
+# Iterate over all objfiles in the order that makes the most sense
+# for the architecture to make global symbol searches.
+#
+# CB is a callback function where OBJFILE is the objfile to be searched,
+# and CB_DATA a pointer to user-defined data (the same data that is passed
+# when calling this gdbarch method). The iteration stops if this function
+# returns nonzero.
+#
+# CB_DATA is a pointer to some user-defined data to be passed to
+# the callback.
+#
+# If not NULL, CURRENT_OBJFILE corresponds to the objfile being
+# inspected when the symbol search was requested.
+m:void:iterate_over_objfiles_in_search_order:iterate_over_objfiles_in_search_order_cb_ftype *cb, void *cb_data, struct objfile *current_objfile:cb, cb_data, current_objfile:0:default_iterate_over_objfiles_in_search_order::0
+
+# Ravenscar arch-dependent ops.
+v:struct ravenscar_arch_ops *:ravenscar_ops:::NULL:NULL::0:host_address_to_string (gdbarch->ravenscar_ops)
+
+# Return non-zero if the instruction at ADDR is a call; zero otherwise.
+m:int:insn_is_call:CORE_ADDR addr:addr::default_insn_is_call::0
+
+# Return non-zero if the instruction at ADDR is a return; zero otherwise.
+m:int:insn_is_ret:CORE_ADDR addr:addr::default_insn_is_ret::0
+
+# Return non-zero if the instruction at ADDR is a jump; zero otherwise.
+m:int:insn_is_jump:CORE_ADDR addr:addr::default_insn_is_jump::0
+
+# Read one auxv entry from *READPTR, not reading locations >= ENDPTR.
+# Return 0 if *READPTR is already at the end of the buffer.
+# Return -1 if there is insufficient buffer for a whole entry.
+# Return 1 if an entry was read into *TYPEP and *VALP.
+M:int:auxv_parse:gdb_byte **readptr, gdb_byte *endptr, CORE_ADDR *typep, CORE_ADDR *valp:readptr, endptr, typep, valp
+
+# Find the address range of the current inferior's vsyscall/vDSO, and
+# write it to *RANGE. If the vsyscall's length can't be determined, a
+# range with zero length is returned. Returns true if the vsyscall is
+# found, false otherwise.
+m:int:vsyscall_range:struct mem_range *range:range::default_vsyscall_range::0
+
+# Allocate SIZE bytes of PROT protected page aligned memory in inferior.
+# PROT has GDB_MMAP_PROT_* bitmask format.
+# Throw an error if it is not possible. Returned address is always valid.
+f:CORE_ADDR:infcall_mmap:CORE_ADDR size, unsigned prot:size, prot::default_infcall_mmap::0
+
+# Deallocate SIZE bytes of memory at ADDR in inferior from gdbarch_infcall_mmap.
+# Print a warning if it is not possible.
+f:void:infcall_munmap:CORE_ADDR addr, CORE_ADDR size:addr, size::default_infcall_munmap::0
+
+# Return string (caller has to use xfree for it) with options for GCC
+# to produce code for this target, typically "-m64", "-m32" or "-m31".
+# These options are put before CU's DW_AT_producer compilation options so that
+# they can override it. Method may also return NULL.
+m:char *:gcc_target_options:void:::default_gcc_target_options::0
+
+# Return a regular expression that matches names used by this
+# architecture in GNU configury triplets. The result is statically
+# allocated and must not be freed. The default implementation simply
+# returns the BFD architecture name, which is correct in nearly every
+# case.
+m:const char *:gnu_triplet_regexp:void:::default_gnu_triplet_regexp::0
+
+# Return the size in 8-bit bytes of an addressable memory unit on this
+# architecture. This corresponds to the number of 8-bit bytes associated to
+# each address in memory.
+m:int:addressable_memory_unit_size:void:::default_addressable_memory_unit_size::0
+
EOF
}
@@ -700,18 +1183,18 @@ compare_new gdbarch.log
copyright ()
{
cat <. */
/* This file was created with the aid of \`\`gdbarch.sh''.
@@ -734,7 +1215,7 @@ cat <gdbarch'. */
+extern struct gdbarch *target_gdbarch (void);
+
+/* Callback type for the 'iterate_over_objfiles_in_search_order'
+ gdbarch method. */
+
+typedef int (iterate_over_objfiles_in_search_order_cb_ftype)
+ (struct objfile *objfile, void *cb_data);
+
+/* Callback type for regset section iterators. The callback usually
+ invokes the REGSET's supply or collect method, to which it must
+ pass a buffer with at least the given SIZE. SECT_NAME is a BFD
+ section name, and HUMAN_NAME is used for diagnostic messages.
+ CB_DATA should have been passed unchanged through the iterator. */
+
+typedef void (iterate_over_regset_sections_cb)
+ (const char *sect_name, int size, const struct regset *regset,
+ const char *human_name, void *cb_data);
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_${function}() - not applicable - pre-initialized. */\n"
- if test -n "${macro}"
- then
- printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
- printf "#error \"Non multi-arch definition of ${macro}\"\n"
- printf "#endif\n"
- printf "#if !defined (${macro})\n"
- printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
- printf "#endif\n"
- fi
+ 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}" ]
@@ -807,42 +1325,14 @@ do
if class_is_predicate_p
then
- if test -n "${macro}"
- then
- printf "\n"
- printf "#if defined (${macro})\n"
- printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
- printf "#if !defined (${macro}_P)\n"
- printf "#define ${macro}_P() (1)\n"
- printf "#endif\n"
- printf "#endif\n"
- fi
printf "\n"
printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
- if test -n "${macro}"
- then
- printf "#if !defined (GDB_TM_FILE) && defined (${macro}_P)\n"
- printf "#error \"Non multi-arch definition of ${macro}\"\n"
- printf "#endif\n"
- printf "#if !defined (${macro}_P)\n"
- printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
- printf "#endif\n"
- fi
fi
if class_is_variable_p
then
printf "\n"
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, ${returntype} ${function});\n"
- if test -n "${macro}"
- then
- printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
- printf "#error \"Non multi-arch definition of ${macro}\"\n"
- printf "#endif\n"
- printf "#if !defined (${macro})\n"
- printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
- printf "#endif\n"
- fi
fi
if class_is_function_p
then
@@ -863,38 +1353,15 @@ do
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch, ${formal});\n"
fi
printf "extern void set_gdbarch_${function} (struct gdbarch *gdbarch, gdbarch_${function}_ftype *${function});\n"
- if test -n "${macro}"
- then
- printf "#if !defined (GDB_TM_FILE) && defined (${macro})\n"
- printf "#error \"Non multi-arch definition of ${macro}\"\n"
- printf "#endif\n"
- if [ "x${actual}" = "x" ]
- then
- d="#define ${macro}() (gdbarch_${function} (current_gdbarch))"
- elif [ "x${actual}" = "x-" ]
- then
- d="#define ${macro} (gdbarch_${function} (current_gdbarch))"
- else
- d="#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))"
- fi
- printf "#if !defined (${macro})\n"
- if [ "x${actual}" = "x" ]
- then
- printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
- elif [ "x${actual}" = "x-" ]
- then
- printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
- else
- printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
- fi
- printf "#endif\n"
- fi
fi
done
# close it off
cat <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
@@ -954,7 +1420,7 @@ extern struct gdbarch_tdep *gdbarch_tdep (struct gdbarch *gdbarch);
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
{
@@ -964,17 +1430,19 @@ 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;
+ enum bfd_endian byte_order;
+
+ enum bfd_endian byte_order_for_code;
- /* Use default: NULL (ZERO). */
+ /* Use default: NULL (ZERO). */
bfd *abfd;
- /* Use default: NULL (ZERO). */
- struct gdbarch_tdep_info *tdep_info;
+ /* Use default: NULL (ZERO). */
+ void *tdep_info;
/* Use default: GDB_OSABI_UNINITIALIZED (-1). */
enum gdb_osabi osabi;
@@ -997,13 +1465,13 @@ extern void gdbarch_register (enum bfd_architecture architecture,
/* 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);
@@ -1011,14 +1479,14 @@ extern struct gdbarch_list *gdbarch_list_lookup_by_info (struct gdbarch_list *ar
/* 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 *);
@@ -1031,15 +1499,20 @@ extern void *gdbarch_obstack_zalloc (struct gdbarch *gdbarch, long size);
#define GDBARCH_OBSTACK_CALLOC(GDBARCH, NR, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), (NR) * sizeof (TYPE)))
#define GDBARCH_OBSTACK_ZALLOC(GDBARCH, TYPE) ((TYPE *) gdbarch_obstack_zalloc ((GDBARCH), sizeof (TYPE)))
+/* Duplicate STRING, returning an equivalent string that's allocated on the
+ obstack associated with GDBARCH. The string is freed when the corresponding
+ architecture is also freed. */
-/* Helper function. Force an update of the current architecture.
+extern char *gdbarch_obstack_strdup (struct gdbarch *arch, const char *string);
+
+/* 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);
@@ -1050,20 +1523,14 @@ 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".
-
- FIXME: kettenis/20031124: Of the functions that follow, only
- gdbarch_from_bfd is supposed to survive. The others will
- dissappear since in the future GDB will (hopefully) be truly
- multi-arch. However, for now we're still stuck with the concept of
- a single active architecture. */
+/* Helper function. Set the target gdbarch to "gdbarch". */
-extern void deprecated_current_gdbarch_select_hack (struct gdbarch *gdbarch);
+extern void set_target_gdbarch (struct gdbarch *gdbarch);
/* Register per-architecture data-pointer.
@@ -1096,27 +1563,8 @@ extern void deprecated_set_gdbarch_data (struct gdbarch *gdbarch,
extern void *gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *);
-
-/* Register per-architecture memory region.
-
- Provide a memory-region swap mechanism. Per-architecture memory
- region are created. These memory regions are swapped whenever the
- architecture is changed. For a new architecture, the memory region
- is initialized with zero (0) and the INIT function is called.
-
- Memory regions are swapped / initialized in the order that they are
- registered. NULL DATA and/or INIT values can be specified.
-
- New code should use gdbarch_data_register_*(). */
-
-typedef void (gdbarch_swap_ftype) (void);
-extern void deprecated_register_gdbarch_swap (void *data, unsigned long size, gdbarch_swap_ftype *init);
-#define DEPRECATED_REGISTER_GDBARCH_SWAP(VAR) deprecated_register_gdbarch_swap (&(VAR), sizeof ((VAR)), NULL)
-
-
-
/* 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 *);
@@ -1127,7 +1575,7 @@ extern void set_gdbarch_from_file (bfd *);
extern void initialize_current_architecture (void);
/* gdbarch trace variable */
-extern int gdbarch_debug;
+extern unsigned int gdbarch_debug;
extern void gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file);
@@ -1154,13 +1602,12 @@ cat <name;
}
+static const char *
+pstring (const char *string)
+{
+ if (string == NULL)
+ return "(null)";
+ return string;
+}
+
+/* Helper function to print a list of strings, represented as "const
+ char *const *". The list is printed comma-separated. */
+
+static char *
+pstring_list (const char *const *list)
+{
+ static char ret[100];
+ const char *const *p;
+ size_t offset = 0;
+
+ if (list == NULL)
+ return "(null)";
+
+ ret[0] = '\0';
+ for (p = list; *p != NULL && offset < sizeof (ret); ++p)
+ {
+ size_t s = xsnprintf (ret + offset, sizeof (ret) - offset, "%s, ", *p);
+ offset += 2 + s;
+ }
+
+ if (offset > 0)
+ {
+ gdb_assert (offset - 2 < sizeof (ret));
+ ret[offset - 2] = '\0';
+ }
+
+ return ret;
+}
+
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"
@@ -1203,7 +1687,7 @@ 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
@@ -1212,17 +1696,14 @@ do
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 " struct gdbarch_swap *swap;\n"
-printf "\n"
cat <obstack = obstack;
+ gdbarch = XOBNEW (obstack, struct gdbarch);
+ memset (gdbarch, 0, sizeof (*gdbarch));
+ gdbarch->obstack = obstack;
- alloc_gdbarch_data (current_gdbarch);
+ alloc_gdbarch_data (gdbarch);
- current_gdbarch->tdep = tdep;
+ gdbarch->tdep = tdep;
EOF
printf "\n"
function_list | while do_read
do
if class_is_info_p
then
- printf " current_gdbarch->${function} = info->${function};\n"
+ printf " gdbarch->${function} = info->${function};\n"
fi
done
printf "\n"
-printf " /* Force the explicit initialization of these. */\n"
+printf " /* Force the explicit initialization of these. */\n"
function_list | while do_read
do
if class_is_function_p || class_is_variable_p
then
if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
then
- printf " current_gdbarch->${function} = ${predefault};\n"
+ printf " gdbarch->${function} = ${predefault};\n"
fi
fi
done
cat <obstack, size);
+
memset (data, 0, size);
return data;
}
+/* See gdbarch.h. */
+
+char *
+gdbarch_obstack_strdup (struct gdbarch *arch, const char *string)
+{
+ return obstack_strdup (arch->obstack, string);
+}
+
/* Free a gdbarch struct. This should never happen in normal
operation --- once you've created a gdbarch, you keep it around.
@@ -1390,6 +1828,7 @@ void
gdbarch_free (struct gdbarch *arch)
{
struct obstack *obstack;
+
gdb_assert (arch != NULL);
gdb_assert (!arch->initialized_p);
obstack = arch->obstack;
@@ -1404,27 +1843,22 @@ cat <byte_order == BFD_ENDIAN_UNKNOWN)
+ if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
fprintf_unfiltered (log, "\n\tbyte-order");
- if (current_gdbarch->bfd_arch_info == NULL)
+ 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
@@ -1435,35 +1869,35 @@ 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 "${postdefault}" ]
then
printf " if (${invalid_p})\n"
- printf " current_gdbarch->${function} = ${postdefault};\n"
+ printf " gdbarch->${function} = ${postdefault};\n"
elif [ -n "${predefault}" -a -n "${postdefault}" ]
then
- printf " if (current_gdbarch->${function} == ${predefault})\n"
- printf " current_gdbarch->${function} = ${postdefault};\n"
+ printf " if (gdbarch->${function} == ${predefault})\n"
+ printf " gdbarch->${function} = ${postdefault};\n"
elif [ -n "${postdefault}" ]
then
- printf " if (current_gdbarch->${function} == 0)\n"
- printf " current_gdbarch->${function} = ${postdefault};\n"
+ printf " if (gdbarch->${function} == 0)\n"
+ printf " gdbarch->${function} = ${postdefault};\n"
elif [ -n "${invalid_p}" ]
then
printf " if (${invalid_p})\n"
printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
elif [ -n "${predefault}" ]
then
- printf " if (current_gdbarch->${function} == ${predefault})\n"
+ printf " if (gdbarch->${function} == ${predefault})\n"
printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
fi
fi
done
cat < 0)
+ if (length > 0)
internal_error (__FILE__, __LINE__,
_("verify_gdbarch: the following are invalid ...%s"),
buf);
@@ -1475,90 +1909,45 @@ EOF
printf "\n"
printf "\n"
cat <";
const char *gdb_nm_file = "";
- const char *gdb_tm_file = "";
-#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 4 | while do_read
+function_list | sort -t: -k 3 | while do_read
do
# First the predicate
if class_is_predicate_p
then
- if test -n "${macro}"
- then
- printf "#ifdef ${macro}_P\n"
- printf " fprintf_unfiltered (file,\n"
- printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
- printf " \"${macro}_P()\",\n"
- printf " XSTRING (${macro}_P ()));\n"
- printf "#endif\n"
- fi
printf " fprintf_unfiltered (file,\n"
printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
- printf " gdbarch_${function}_p (current_gdbarch));\n"
- fi
- # Print the macro definition.
- if test -n "${macro}"
- then
- printf "#ifdef ${macro}\n"
- if class_is_function_p
- then
- printf " fprintf_unfiltered (file,\n"
- printf " \"gdbarch_dump: %%s # %%s\\\\n\",\n"
- printf " \"${macro}(${actual})\",\n"
- printf " XSTRING (${macro} (${actual})));\n"
- else
- printf " fprintf_unfiltered (file,\n"
- printf " \"gdbarch_dump: ${macro} # %%s\\\\n\",\n"
- printf " XSTRING (${macro}));\n"
- fi
- printf "#endif\n"
+ printf " gdbarch_${function}_p (gdbarch));\n"
fi
# Print the corresponding value.
if class_is_function_p
then
printf " fprintf_unfiltered (file,\n"
- printf " \"gdbarch_dump: ${function} = <0x%%lx>\\\\n\",\n"
- printf " (long) current_gdbarch->${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 (current_gdbarch->${function})"
+ fmt="%s"
+ print="core_addr_to_string_nz (gdbarch->${function})"
;;
:* )
fmt="%s"
- print="paddr_d (current_gdbarch->${function})"
+ print="plongest (gdbarch->${function})"
;;
* )
fmt="%s"
@@ -1570,8 +1959,8 @@ do
fi
done
cat <dump_tdep != NULL)
- current_gdbarch->dump_tdep (current_gdbarch, file);
+ if (gdbarch->dump_tdep != NULL)
+ gdbarch->dump_tdep (gdbarch, file);
}
EOF
@@ -1699,7 +2088,7 @@ cat <next);
- (*curr) = XMALLOC (struct gdbarch_data_registration);
+ (*curr) = XNEW (struct gdbarch_data_registration);
(*curr)->next = NULL;
- (*curr)->data = XMALLOC (struct gdbarch_data);
+ (*curr)->data = XNEW (struct gdbarch_data);
(*curr)->data->index = gdbarch_data_registry.nr++;
(*curr)->data->pre_init = pre_init;
(*curr)->data->post_init = post_init;
@@ -1757,7 +2147,7 @@ gdbarch_data_register_post_init (gdbarch_data_post_init_ftype *post_init)
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)
@@ -1768,7 +2158,7 @@ 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,
@@ -1782,7 +2172,7 @@ 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)
@@ -1821,108 +2211,7 @@ gdbarch_data (struct gdbarch *gdbarch, struct gdbarch_data *data)
}
-
-/* Keep a registry of swapped data required by GDB modules. */
-
-struct gdbarch_swap
-{
- void *swap;
- struct gdbarch_swap_registration *source;
- struct gdbarch_swap *next;
-};
-
-struct gdbarch_swap_registration
-{
- void *data;
- unsigned long sizeof_data;
- gdbarch_swap_ftype *init;
- struct gdbarch_swap_registration *next;
-};
-
-struct gdbarch_swap_registry
-{
- int nr;
- struct gdbarch_swap_registration *registrations;
-};
-
-struct gdbarch_swap_registry gdbarch_swap_registry =
-{
- 0, NULL,
-};
-
-void
-deprecated_register_gdbarch_swap (void *data,
- unsigned long sizeof_data,
- gdbarch_swap_ftype *init)
-{
- struct gdbarch_swap_registration **rego;
- for (rego = &gdbarch_swap_registry.registrations;
- (*rego) != NULL;
- rego = &(*rego)->next);
- (*rego) = XMALLOC (struct gdbarch_swap_registration);
- (*rego)->next = NULL;
- (*rego)->init = init;
- (*rego)->data = data;
- (*rego)->sizeof_data = sizeof_data;
-}
-
-static void
-current_gdbarch_swap_init_hack (void)
-{
- struct gdbarch_swap_registration *rego;
- struct gdbarch_swap **curr = ¤t_gdbarch->swap;
- for (rego = gdbarch_swap_registry.registrations;
- rego != NULL;
- rego = rego->next)
- {
- if (rego->data != NULL)
- {
- (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
- struct gdbarch_swap);
- (*curr)->source = rego;
- (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
- rego->sizeof_data);
- (*curr)->next = NULL;
- curr = &(*curr)->next;
- }
- if (rego->init != NULL)
- rego->init ();
- }
-}
-
-static struct gdbarch *
-current_gdbarch_swap_out_hack (void)
-{
- struct gdbarch *old_gdbarch = current_gdbarch;
- struct gdbarch_swap *curr;
-
- gdb_assert (old_gdbarch != NULL);
- for (curr = old_gdbarch->swap;
- curr != NULL;
- curr = curr->next)
- {
- memcpy (curr->swap, curr->source->data, curr->source->sizeof_data);
- memset (curr->source->data, 0, curr->source->sizeof_data);
- }
- current_gdbarch = NULL;
- return old_gdbarch;
-}
-
-static void
-current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
-{
- struct gdbarch_swap *curr;
-
- gdb_assert (current_gdbarch == NULL);
- for (curr = new_gdbarch->swap;
- curr != NULL;
- curr = curr->next)
- memcpy (curr->source->data, curr->swap, curr->source->sizeof_data);
- current_gdbarch = new_gdbarch;
-}
-
-
-/* Keep a registry of the architectures known by GDB. */
+/* Keep a registry of the architectures known by GDB. */
struct gdbarch_registration
{
@@ -1938,7 +2227,7 @@ static struct gdbarch_registration *gdbarch_registry = NULL;
static void
append_name (const char ***buf, int *nr, const char *name)
{
- *buf = xrealloc (*buf, sizeof (char**) * (*nr + 1));
+ *buf = XRESIZEVEC (const char *, *buf, *nr + 1);
(*buf)[*nr] = name;
*nr += 1;
}
@@ -1947,11 +2236,11 @@ const char **
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)
@@ -1980,31 +2269,34 @@ gdbarch_register (enum bfd_architecture bfd_architecture,
{
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) = XNEW (struct gdbarch_registration);
(*curr)->bfd_architecture = bfd_architecture;
(*curr)->init = init;
(*curr)->dump_tdep = dump_tdep;
@@ -2043,49 +2335,44 @@ gdbarch_list_lookup_by_info (struct gdbarch_list *arches,
/* 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. */
@@ -2097,7 +2384,7 @@ find_arch_by_info (struct gdbarch_info info)
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;
}
@@ -2110,7 +2397,7 @@ find_arch_by_info (struct gdbarch_info info)
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;
}
@@ -2121,11 +2408,11 @@ find_arch_by_info (struct gdbarch_info info)
if (new_gdbarch->initialized_p)
{
struct gdbarch_list **list;
- struct gdbarch_list *this;
+ struct gdbarch_list *self;
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;
@@ -2133,30 +2420,30 @@ find_arch_by_info (struct gdbarch_info info)
list = &(*list)->next);
/* It had better be in the list of architectures. */
gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
- /* Unlink THIS. */
- this = (*list);
- (*list) = this->next;
- /* Insert THIS at the front. */
- this->next = rego->arches;
- rego->arches = this;
+ /* Unlink SELF. */
+ self = (*list);
+ (*list) = self->next;
+ /* Insert SELF at the front. */
+ self->next = rego->arches;
+ rego->arches = self;
/* Return it. */
return new_gdbarch;
}
/* 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
list (keep the list sorted Most Recently Used). */
{
- struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
- this->next = rego->arches;
- this->gdbarch = new_gdbarch;
- rego->arches = this;
+ struct gdbarch_list *self = XNEW (struct gdbarch_list);
+ self->next = rego->arches;
+ self->gdbarch = new_gdbarch;
+ rego->arches = self;
}
/* Check that the newly installed architecture is valid. Plug in
@@ -2165,53 +2452,30 @@ find_arch_by_info (struct gdbarch_info info)
verify_gdbarch (new_gdbarch);
new_gdbarch->initialized_p = 1;
- /* Initialize any per-architecture swap areas. This phase requires
- a valid global CURRENT_GDBARCH. Set it momentarially, and then
- swap the entire architecture out. */
- current_gdbarch = new_gdbarch;
- current_gdbarch_swap_init_hack ();
- current_gdbarch_swap_out_hack ();
-
if (gdbarch_debug)
gdbarch_dump (new_gdbarch, gdb_stdlog);
return new_gdbarch;
}
-struct gdbarch *
-gdbarch_find_by_info (struct gdbarch_info info)
-{
- /* 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_swap_out_hack ();
-
- /* Find the specified architecture. */
- struct gdbarch *new_gdbarch = find_arch_by_info (info);
-
- /* Restore the existing architecture. */
- gdb_assert (current_gdbarch == NULL);
- current_gdbarch_swap_in_hack (old_gdbarch);
-
- return new_gdbarch;
-}
-
-/* Make the specified architecture current, swapping the existing one
- out. */
+/* Make the specified architecture current. */
void
-deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
+set_target_gdbarch (struct gdbarch *new_gdbarch)
{
gdb_assert (new_gdbarch != NULL);
- gdb_assert (current_gdbarch != NULL);
gdb_assert (new_gdbarch->initialized_p);
- current_gdbarch_swap_out_hack ();
- current_gdbarch_swap_in_hack (new_gdbarch);
- architecture_changed_event ();
- reinit_frame_cache ();
+ current_inferior ()->gdbarch = new_gdbarch;
+ observer_notify_architecture_changed (new_gdbarch);
+ registers_changed ();
+}
+
+/* Return the current inferior's arch. */
+
+struct gdbarch *
+target_gdbarch (void)
+{
+ return current_inferior ()->gdbarch;
}
extern void _initialize_gdbarch (void);
@@ -2219,9 +2483,7 @@ extern void _initialize_gdbarch (void);
void
_initialize_gdbarch (void)
{
- struct cmd_list_element *c;
-
- add_setshow_zinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\
+ add_setshow_zuinteger_cmd ("arch", class_maintenance, &gdbarch_debug, _("\\
Set architecture debugging."), _("\\
Show architecture debugging."), _("\\
When non-zero, architecture debugging is enabled."),