# 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, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007,
+# 2008 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
# 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.
{
# See below (DOCO) for description of each field
cat <<EOF
-i:const struct bfd_arch_info *:bfd_arch_info:::&bfd_default_arch_struct::::gdbarch_bfd_arch_info (current_gdbarch)->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 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:::::::paddr_d ((long) 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:
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
# The ABI default bit-size and format for "float", "double", and "long
# double". These bit/format pairs should eventually be combined into
# 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: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 (current_gdbarch->double_format)
+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 (current_gdbarch->long_double_format)
+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
# 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):
#
# One if \`char' acts like \`signed char', zero if \`unsigned char'.
v:int:char_signed:::1:-1:1
# 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
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
+m:int:ecoff_reg_to_regnum:int ecoff_regnr:ecoff_regnr::no_op_reg_to_regnum::0
# Provide a default mapping from a DWARF register number to a gdb REGNUM.
-f:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr::no_op_reg_to_regnum::0
+m:int:dwarf_reg_to_regnum:int dwarf_regnr:dwarf_regnr::no_op_reg_to_regnum::0
# Convert from an sdb register number to an internal gdb register number.
-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
+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:::::::
#
-f:int:convert_register_p:int regnum, struct type *type:regnum, type:0:generic_convert_register_p::0
+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: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
f:void:address_to_pointer:struct type *type, gdb_byte *buf, CORE_ADDR addr:type, buf, addr::unsigned_address_to_pointer::0
M:CORE_ADDR:integer_to_address:struct type *type, const gdb_byte *buf:type, buf
-# It has been suggested that this, well actually its predecessor,
-# should take the type/value of the function to be called and not the
-# return type. This is left as an exercise for the reader.
-
-M:enum return_value_convention:return_value:struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:valtype, regcache, readbuf, writebuf
+# Return the return-value convention that will be used by FUNCTYPE
+# to return a value of type VALTYPE. FUNCTYPE may be NULL in which
+# case the return convention is computed based only on VALTYPE.
+#
+# If READBUF is not NULL, extract the return value and save it in this buffer.
+#
+# If WRITEBUF is not NULL, it contains a return value which will be
+# stored into the appropriate register. This can be used when we want
+# to force the value returned by a function (see the "return" command
+# for instance).
+M:enum return_value_convention:return_value:struct type *functype, struct type *valtype, struct regcache *regcache, gdb_byte *readbuf, const gdb_byte *writebuf:functype, valtype, regcache, readbuf, writebuf
-f:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
+m:CORE_ADDR:skip_prologue:CORE_ADDR ip:ip:0:0
f:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs:0:0
m:const gdb_byte *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr::0:
M:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
-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
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: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
gdbarch_alloc (const struct gdbarch_info *info,
struct gdbarch_tdep *tdep)
{
- /* NOTE: The new architecture variable is named \`\`current_gdbarch''
- so that macros such as TARGET_ARCHITECTURE, when expanded, refer to
- the current local architecture and not the previous global
- architecture. This ensures that the new architectures initial
- values are not influenced by the previous architecture. Once
- everything is parameterised with gdbarch, this will go away. */
- struct gdbarch *current_gdbarch;
+ struct gdbarch *gdbarch;
/* Create an obstack for allocating all the per-architecture memory,
then use that to allocate the architecture vector. */
struct obstack *obstack = XMALLOC (struct obstack);
obstack_init (obstack);
- current_gdbarch = obstack_alloc (obstack, sizeof (*current_gdbarch));
- memset (current_gdbarch, 0, sizeof (*current_gdbarch));
- current_gdbarch->obstack = obstack;
+ gdbarch = obstack_alloc (obstack, sizeof (*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"
then
if [ -n "${predefault}" -a "x${predefault}" != "x0" ]
then
- printf " current_gdbarch->${function} = ${predefault};\n"
+ printf " gdbarch->${function} = ${predefault};\n"
fi
fi
done
cat <<EOF
/* gdbarch_alloc() */
- return current_gdbarch;
+ return gdbarch;
}
EOF
/* Ensure that all values in a GDBARCH are reasonable. */
-/* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
- just happens to match the global variable \`\`current_gdbarch''. That
- way macros refering to that variable get the local and not the global
- version - ulgh. Once everything is parameterised with gdbarch, this
- will go away. */
-
static void
-verify_gdbarch (struct gdbarch *current_gdbarch)
+verify_gdbarch (struct gdbarch *gdbarch)
{
struct ui_file *log;
struct cleanup *cleanups;
log = mem_fileopen ();
cleanups = make_cleanup_ui_file_delete (log);
/* fundamental */
- if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
+ if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
fprintf_unfiltered (log, "\n\tbyte-order");
- if (current_gdbarch->bfd_arch_info == NULL)
+ if (gdbarch->bfd_arch_info == NULL)
fprintf_unfiltered (log, "\n\tbfd_arch_info");
/* Check those that need to be defined for the given multi-arch level. */
EOF
elif [ -n "${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
cat <<EOF
/* Print out the details of the current architecture. */
-/* NOTE/WARNING: The parameter is called \`\`current_gdbarch'' so that it
- just happens to match the global variable \`\`current_gdbarch''. That
- way macros refering to that variable get the local and not the global
- version - ulgh. Once everything is parameterised with gdbarch, this
- will go away. */
-
void
-gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
+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
then
printf " fprintf_unfiltered (file,\n"
printf " \"gdbarch_dump: gdbarch_${function}_p() = %%d\\\\n\",\n"
- printf " gdbarch_${function}_p (current_gdbarch));\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 " (long) gdbarch->${function});\n"
else
# It is a variable
case "${print}:${returntype}" in
:CORE_ADDR )
fmt="0x%s"
- print="paddr_nz (current_gdbarch->${function})"
+ print="paddr_nz (gdbarch->${function})"
;;
:* )
fmt="%s"
- print="paddr_d (current_gdbarch->${function})"
+ print="paddr_d (gdbarch->${function})"
;;
* )
fmt="%s"
fi
done
cat <<EOF
- if (current_gdbarch->dump_tdep != NULL)
- current_gdbarch->dump_tdep (current_gdbarch, file);
+ if (gdbarch->dump_tdep != NULL)
+ gdbarch->dump_tdep (gdbarch, file);
}
EOF
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