# You cannot specify both a zero INVALID_P and a POSTDEFAULT.
- # Variable declarations can refer to ``gdbarch'' which will
- # contain the current architecture. Care should be taken.
+ # Variable declarations can refer to ``current_gdbarch'' which
+ # will contain the current architecture. Care should be
+ # taken.
invalid_p ) : ;;
f:2:ADDRESS_TO_POINTER:void:address_to_pointer:struct type *type, void *buf, CORE_ADDR addr:type, buf, addr:::unsigned_address_to_pointer::0
F:2:INTEGER_TO_ADDRESS:CORE_ADDR:integer_to_address:struct type *type, void *buf:type, buf
#
-f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
F:2:DEPRECATED_POP_FRAME:void:deprecated_pop_frame:void:-
# NOTE: cagney/2003-03-24: Replaced by PUSH_ARGUMENTS.
F:2:DEPRECATED_STORE_STRUCT_RETURN:void:deprecated_store_struct_return:CORE_ADDR addr, CORE_ADDR sp:addr, sp
-#
+
+# 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, const void *inval, void *outval:valtype, regcache, inval, outval
+
+# The deprecated methods RETURN_VALUE_ON_STACK, EXTRACT_RETURN_VALUE,
+# STORE_RETURN_VALUE and USE_STRUCT_CONVENTION have all been folded
+# into RETURN_VALUE. For the moment do not try to fold in
+# EXTRACT_STRUCT_VALUE_ADDRESS as, dependant on the ABI, the debug
+# info, and the level of effort, it may well be possible to find the
+# address of a structure being return on the stack. Someone else can
+# make that change.
+
+f:2:RETURN_VALUE_ON_STACK:int:return_value_on_stack:struct type *type:type:::generic_return_value_on_stack_not::0
f:2:EXTRACT_RETURN_VALUE:void:extract_return_value:struct type *type, struct regcache *regcache, void *valbuf:type, regcache, valbuf:::legacy_extract_return_value::0
f:2:STORE_RETURN_VALUE:void:store_return_value:struct type *type, struct regcache *regcache, const void *valbuf:type, regcache, valbuf:::legacy_store_return_value::0
f:2:DEPRECATED_EXTRACT_RETURN_VALUE:void:deprecated_extract_return_value:struct type *type, char *regbuf, char *valbuf:type, regbuf, valbuf
f:2:DEPRECATED_STORE_RETURN_VALUE:void:deprecated_store_return_value:struct type *type, char *valbuf:type, valbuf
-#
+f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::generic_use_struct_convention::0
+
F:2:EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:extract_struct_value_address:struct regcache *regcache:regcache
F:2:DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS:CORE_ADDR:deprecated_extract_struct_value_address:char *regbuf:regbuf
-f:2:USE_STRUCT_CONVENTION:int:use_struct_convention:int gcc_p, struct type *value_type:gcc_p, value_type:::generic_use_struct_convention::0
#
F:2:DEPRECATED_FRAME_INIT_SAVED_REGS:void:deprecated_frame_init_saved_regs:struct frame_info *frame:frame
F:2:DEPRECATED_INIT_EXTRA_FRAME_INFO:void:deprecated_init_extra_frame_info:int fromleaf, struct frame_info *frame:fromleaf, frame
f:2:PROLOGUE_FRAMELESS_P:int:prologue_frameless_p:CORE_ADDR ip:ip::0:generic_prologue_frameless_p::0
f:2:INNER_THAN:int:inner_than:CORE_ADDR lhs, CORE_ADDR rhs:lhs, rhs::0:0
f::BREAKPOINT_FROM_PC:const unsigned char *:breakpoint_from_pc:CORE_ADDR *pcptr, int *lenptr:pcptr, lenptr:::0:
+M:2:ADJUST_BREAKPOINT_ADDRESS:CORE_ADDR:adjust_breakpoint_address:CORE_ADDR bpaddr:bpaddr
f:2:MEMORY_INSERT_BREAKPOINT:int:memory_insert_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_insert_breakpoint::0
f:2:MEMORY_REMOVE_BREAKPOINT:int:memory_remove_breakpoint:CORE_ADDR addr, char *contents_cache:addr, contents_cache::0:default_memory_remove_breakpoint::0
v:2:DECR_PC_AFTER_BREAK:CORE_ADDR:decr_pc_after_break::::0:-1
v::FRAME_RED_ZONE_SIZE:int:frame_red_zone_size
v:2:PARM_BOUNDARY:int:parm_boundary
#
-v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
-v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
-v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
-f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::core_addr_identity::0
+v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (current_gdbarch)::%s:(TARGET_FLOAT_FORMAT)->name
+v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_DOUBLE_FORMAT)->name
+v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::default_double_format (current_gdbarch)::%s:(TARGET_LONG_DOUBLE_FORMAT)->name
+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. ADDR_BITS_REMOVE takes out any such bits so
f:2:SKIP_TRAMPOLINE_CODE:CORE_ADDR:skip_trampoline_code:CORE_ADDR pc:pc:::generic_skip_trampoline_code::0
+# 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.
+f:2:SKIP_SOLIB_RESOLVER:CORE_ADDR:skip_solib_resolver:CORE_ADDR pc:pc:::generic_skip_solib_resolver::0
# For SVR4 shared libraries, each call goes through a small piece of
# trampoline code in the ".plt" section. IN_SOLIB_CALL_TRAMPOLINE evaluates
# to nonzero if we are currently stopped in one of these.
struct reggroup;
struct regset;
struct disassemble_info;
+struct target_ops;
extern struct gdbarch *current_gdbarch;
extern void initialize_current_architecture (void);
-/* For non-multiarched targets, do any initialization of the default
- gdbarch object necessary after the _initialize_MODULE functions
- have run. */
-extern void initialize_non_multiarch (void);
-
/* gdbarch trace variable */
extern int gdbarch_debug;
/* Static function declarations */
-static void verify_gdbarch (struct gdbarch *gdbarch);
static void alloc_gdbarch_data (struct gdbarch *);
-static void init_gdbarch_swap (struct gdbarch *);
-static void clear_gdbarch_swap (struct gdbarch *);
-static void swapout_gdbarch_swap (struct gdbarch *);
-static void swapin_gdbarch_swap (struct gdbarch *);
/* Non-zero if we want to trace architecture code. */
};
struct gdbarch *current_gdbarch = &startup_gdbarch;
-
-/* Do any initialization needed for a non-multiarch configuration
- after the _initialize_MODULE functions have been run. */
-void
-initialize_non_multiarch (void)
-{
- alloc_gdbarch_data (&startup_gdbarch);
- /* Ensure that all swap areas are zeroed so that they again think
- they are starting from scratch. */
- clear_gdbarch_swap (&startup_gdbarch);
- init_gdbarch_swap (&startup_gdbarch);
-}
EOF
# Create a new gdbarch struct
-printf "\n"
-printf "\n"
cat <<EOF
+
/* Create a new \`\`struct gdbarch'' based on information provided by
\`\`struct gdbarch_info''. */
EOF
EOF
# verify a new architecture
-printf "\n"
-printf "\n"
-printf "/* Ensure that all values in a GDBARCH are reasonable. */\n"
-printf "\n"
cat <<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 *gdbarch)
+verify_gdbarch (struct gdbarch *current_gdbarch)
{
struct ui_file *log;
struct cleanup *cleanups;
log = mem_fileopen ();
cleanups = make_cleanup_ui_file_delete (log);
/* fundamental */
- if (gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
+ if (current_gdbarch->byte_order == BFD_ENDIAN_UNKNOWN)
fprintf_unfiltered (log, "\n\tbyte-order");
- if (gdbarch->bfd_arch_info == NULL)
+ if (current_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 (${invalid_p})\n"
- printf " gdbarch->${function} = ${postdefault};\n"
+ printf " current_gdbarch->${function} = ${postdefault};\n"
elif [ -n "${predefault}" -a -n "${postdefault}" ]
then
- printf " if (gdbarch->${function} == ${predefault})\n"
- printf " gdbarch->${function} = ${postdefault};\n"
+ printf " if (current_gdbarch->${function} == ${predefault})\n"
+ printf " current_gdbarch->${function} = ${postdefault};\n"
elif [ -n "${postdefault}" ]
then
- printf " if (gdbarch->${function} == 0)\n"
- printf " gdbarch->${function} = ${postdefault};\n"
+ printf " if (current_gdbarch->${function} == 0)\n"
+ printf " current_gdbarch->${function} = ${postdefault};\n"
elif [ -n "${invalid_p}" ]
then
printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
elif [ -n "${predefault}" ]
then
printf " if ((GDB_MULTI_ARCH ${gt_level})\n"
- printf " && (gdbarch->${function} == ${predefault}))\n"
+ printf " && (current_gdbarch->${function} == ${predefault}))\n"
printf " fprintf_unfiltered (log, \"\\\\n\\\\t${function}\");\n"
fi
fi
will go away. */
void
-gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
+gdbarch_dump (struct gdbarch *current_gdbarch, struct ui_file *file)
{
fprintf_unfiltered (file,
"gdbarch_dump: GDB_MULTI_ARCH = %d\\n",
}
static void
-clear_gdbarch_swap (struct gdbarch *gdbarch)
-{
- struct gdbarch_swap *curr;
- for (curr = gdbarch->swap;
- curr != NULL;
- curr = curr->next)
- {
- memset (curr->source->data, 0, curr->source->sizeof_data);
- }
-}
-
-static void
-init_gdbarch_swap (struct gdbarch *gdbarch)
+current_gdbarch_swap_init_hack (void)
{
struct gdbarch_swap_registration *rego;
- struct gdbarch_swap **curr = &gdbarch->swap;
+ 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 (gdbarch, struct gdbarch_swap);
+ (*curr) = GDBARCH_OBSTACK_ZALLOC (current_gdbarch,
+ struct gdbarch_swap);
(*curr)->source = rego;
- (*curr)->swap = gdbarch_obstack_zalloc (gdbarch, rego->sizeof_data);
+ (*curr)->swap = gdbarch_obstack_zalloc (current_gdbarch,
+ rego->sizeof_data);
(*curr)->next = NULL;
curr = &(*curr)->next;
}
}
}
-static void
-swapout_gdbarch_swap (struct gdbarch *gdbarch)
+static struct gdbarch *
+current_gdbarch_swap_out_hack (void)
{
+ struct gdbarch *old_gdbarch = current_gdbarch;
struct gdbarch_swap *curr;
- for (curr = gdbarch->swap;
+
+ 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);
+ {
+ 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
-swapin_gdbarch_swap (struct gdbarch *gdbarch)
+current_gdbarch_swap_in_hack (struct gdbarch *new_gdbarch)
{
struct gdbarch_swap *curr;
- for (curr = gdbarch->swap;
+
+ 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;
}
/* Fill in missing parts of the INFO struct using a number of
sources: \`\`set ...''; INFOabfd supplied; existing target. */
-
- /* \`\`(gdb) set architecture ...'' */
- if (info.bfd_arch_info == NULL
- && !TARGET_ARCHITECTURE_AUTO)
- info.bfd_arch_info = TARGET_ARCHITECTURE;
- if (info.bfd_arch_info == NULL
- && info.abfd != NULL
- && bfd_get_arch (info.abfd) != bfd_arch_unknown
- && bfd_get_arch (info.abfd) != bfd_arch_obscure)
- info.bfd_arch_info = bfd_get_arch_info (info.abfd);
- if (info.bfd_arch_info == NULL)
- info.bfd_arch_info = TARGET_ARCHITECTURE;
-
- /* \`\`(gdb) set byte-order ...'' */
- if (info.byte_order == BFD_ENDIAN_UNKNOWN
- && !TARGET_BYTE_ORDER_AUTO)
- info.byte_order = TARGET_BYTE_ORDER;
- /* From the INFO struct. */
- if (info.byte_order == BFD_ENDIAN_UNKNOWN
- && info.abfd != NULL)
- info.byte_order = (bfd_big_endian (info.abfd) ? BFD_ENDIAN_BIG
- : bfd_little_endian (info.abfd) ? BFD_ENDIAN_LITTLE
- : BFD_ENDIAN_UNKNOWN);
- /* From the current target. */
- if (info.byte_order == BFD_ENDIAN_UNKNOWN)
- info.byte_order = TARGET_BYTE_ORDER;
-
- /* \`\`(gdb) set osabi ...'' is handled by gdbarch_lookup_osabi. */
- if (info.osabi == GDB_OSABI_UNINITIALIZED)
- info.osabi = gdbarch_lookup_osabi (info.abfd);
- if (info.osabi == GDB_OSABI_UNINITIALIZED)
- info.osabi = current_gdbarch->osabi;
+ gdbarch_info_fill (current_gdbarch, &info);
/* Must have found some sort of architecture. */
gdb_assert (info.bfd_arch_info != NULL);
/* Swap the data belonging to the old target out setting the
installed data to zero. This stops the ->init() function trying
to refer to the previous architecture's global data structures. */
- swapout_gdbarch_swap (current_gdbarch);
- clear_gdbarch_swap (current_gdbarch);
+ current_gdbarch_swap_out_hack ();
/* Save the previously selected architecture, setting the global to
NULL. This stops ->init() trying to use the previous
{
if (gdbarch_debug)
fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\\n");
- swapin_gdbarch_swap (old_gdbarch);
- current_gdbarch = old_gdbarch;
+ current_gdbarch_swap_in_hack (old_gdbarch);
return 0;
}
fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\\n",
(long) new_gdbarch,
new_gdbarch->bfd_arch_info->printable_name);
- swapin_gdbarch_swap (old_gdbarch);
- current_gdbarch = old_gdbarch;
+ current_gdbarch_swap_in_hack (old_gdbarch);
return 1;
}
this->next = rego->arches;
rego->arches = this;
/* Copy the new architecture in. */
- current_gdbarch = new_gdbarch;
- swapin_gdbarch_swap (new_gdbarch);
+ current_gdbarch_swap_in_hack (new_gdbarch);
architecture_changed_event ();
return 1;
}
/* Initialize the per-architecture memory (swap) areas.
CURRENT_GDBARCH must be update before these modules are
called. */
- init_gdbarch_swap (new_gdbarch);
+ current_gdbarch_swap_init_hack ();
/* Initialize the per-architecture data. CURRENT_GDBARCH
must be updated before these modules are called. */
projects / binutils.git / blobdiff