#!/bin/sh -u
# Architecture commands for GDB, the GNU debugger.
-# Copyright 1998-2000 Free Software Foundation, Inc.
+# Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
#
# This file is part of GDB.
#
class_is_variable_p ()
{
- [ "${class}" = "v" -o "${class}" = "V" ]
+ case "${class}" in
+ *v* | *V* ) true ;;
+ * ) false ;;
+ esac
}
class_is_function_p ()
{
- [ "${class}" = "f" -o "${class}" = "F" ]
+ case "${class}" in
+ *f* | *F* | *m* | *M* ) true ;;
+ * ) false ;;
+ esac
+}
+
+class_is_multiarch_p ()
+{
+ case "${class}" in
+ *m* | *M* ) true ;;
+ * ) false ;;
+ esac
}
class_is_predicate_p ()
{
- [ "${class}" = "F" -o "${class}" = "V" ]
+ case "${class}" in
+ *F* | *V* | *M* ) true ;;
+ * ) false ;;
+ esac
}
class_is_info_p ()
{
- [ "${class}" = "i" ]
+ case "${class}" in
+ *i* ) true ;;
+ * ) false ;;
+ esac
}
# hiding a variable + predicate to test variables validity
# i -> set from info
# hiding something from the ``struct info'' object
+ # m -> multi-arch function
+ # hiding a multi-arch function (parameterised with the architecture)
+ # M -> multi-arch function + predicate
+ # hiding a multi-arch function + predicate to test function validity
level ) : ;;
#
v::IEEE_FLOAT:int:ieee_float::::0:0::0:::
#
-f::TARGET_READ_PC:CORE_ADDR:read_pc:int pid:pid::0:generic_target_read_pc::0
-f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, int pid:val, pid::0:generic_target_write_pc::0
+f::TARGET_READ_PC:CORE_ADDR:read_pc:ptid_t ptid:ptid::0:generic_target_read_pc::0
+f::TARGET_WRITE_PC:void:write_pc:CORE_ADDR val, ptid_t ptid:val, ptid::0:generic_target_write_pc::0
f::TARGET_READ_FP:CORE_ADDR:read_fp:void:::0:generic_target_read_fp::0
f::TARGET_WRITE_FP:void:write_fp:CORE_ADDR val:val::0:generic_target_write_fp::0
f::TARGET_READ_SP:CORE_ADDR:read_sp:void:::0:generic_target_read_sp::0
f::TARGET_WRITE_SP:void:write_sp:CORE_ADDR val:val::0:generic_target_write_sp::0
#
+M:::void:register_read:int regnum, char *buf:regnum, buf:
+M:::void:register_write:int regnum, char *buf:regnum, buf:
+#
v:2:NUM_REGS: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.
v:2:FP0_REGNUM:int:fp0_regnum::::0:-1::0
v:2:NPC_REGNUM:int:npc_regnum::::0:-1::0
v:2:NNPC_REGNUM:int:nnpc_regnum::::0:-1::0
+# Convert stab register number (from \`r\' declaration) to a gdb REGNUM.
+f:2:STAB_REG_TO_REGNUM: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:2:ECOFF_REG_TO_REGNUM: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:2:DWARF_REG_TO_REGNUM: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.
+# This should be defined in tm.h, if REGISTER_NAMES is not set up
+# to map one to one onto the sdb register numbers.
+f:2:SDB_REG_TO_REGNUM:int:sdb_reg_to_regnum:int sdb_regnr:sdb_regnr:::no_op_reg_to_regnum::0
+f:2:DWARF2_REG_TO_REGNUM:int:dwarf2_reg_to_regnum:int dwarf2_regnr:dwarf2_regnr:::no_op_reg_to_regnum::0
f:2:REGISTER_NAME:char *:register_name:int regnr:regnr:::legacy_register_name::0
v:2:REGISTER_SIZE:int:register_size::::0:-1
v:2:REGISTER_BYTES:int:register_bytes::::0:-1
# MAP a GDB RAW register number onto a simulator register number. See
# also include/...-sim.h.
f:2:REGISTER_SIM_REGNO:int:register_sim_regno:int reg_nr:reg_nr:::default_register_sim_regno::0
+F:2:REGISTER_BYTES_OK:int:register_bytes_ok:long nr_bytes:nr_bytes::0:0
#
v:1:USE_GENERIC_DUMMY_FRAMES:int:use_generic_dummy_frames::::0:-1
v:2:CALL_DUMMY_LOCATION:int:call_dummy_location::::0:0
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
+f::PREPARE_TO_PROCEED:int:prepare_to_proceed:int select_it:select_it::0:default_prepare_to_proceed::0
v:2:FUNCTION_START_OFFSET:CORE_ADDR:function_start_offset::::0:-1
#
f:2:REMOTE_TRANSLATE_XFER_ADDRESS:void:remote_translate_xfer_address:CORE_ADDR gdb_addr, int gdb_len, CORE_ADDR *rem_addr, int *rem_len:gdb_addr, gdb_len, rem_addr, rem_len:::generic_remote_translate_xfer_address::0
v:1:EXTRA_STACK_ALIGNMENT_NEEDED:int:extra_stack_alignment_needed::::0:1::0:::
F:2:REG_STRUCT_HAS_ADDR:int:reg_struct_has_addr:int gcc_p, struct type *type:gcc_p, type::0:0
F:2:SAVE_DUMMY_FRAME_TOS:void:save_dummy_frame_tos:CORE_ADDR sp:sp::0:0
+v:2:PARM_BOUNDARY:int:parm_boundary
#
v:2:TARGET_FLOAT_FORMAT:const struct floatformat *:float_format::::::default_float_format (gdbarch)
v:2:TARGET_DOUBLE_FORMAT:const struct floatformat *:double_format::::::default_double_format (gdbarch)
v:2:TARGET_LONG_DOUBLE_FORMAT:const struct floatformat *:long_double_format::::::&floatformat_unknown
f:2:CONVERT_FROM_FUNC_PTR_ADDR:CORE_ADDR:convert_from_func_ptr_addr:CORE_ADDR addr:addr:::default_convert_from_func_ptr_addr::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.
+F:2:SOFTWARE_SINGLE_STEP:void:software_single_step:enum target_signal sig, int insert_breakpoints_p:sig, insert_breakpoints_p::0:0
EOF
}
/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright 1998-1999, Free Software Foundation, Inc.
+ Copyright 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GDB.
-e '3,$ s,#, ,' \
-e '$ s,$, */,'
fi
- if class_is_predicate_p
+ if class_is_multiarch_p
then
- printf "\n"
- printf "#if defined (${macro})\n"
- printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
-# printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
- printf "#define ${macro}_P() (1)\n"
- printf "#endif\n"
- printf "\n"
- printf "/* Default predicate for non- multi-arch targets. */\n"
- printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
- printf "#define ${macro}_P() (0)\n"
- printf "#endif\n"
- printf "\n"
- printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
- printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro}_P)\n"
- printf "#define ${macro}_P() (gdbarch_${function}_p (current_gdbarch))\n"
- printf "#endif\n"
+ if class_is_predicate_p
+ then
+ printf "\n"
+ printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
+ fi
+ else
+ if class_is_predicate_p
+ then
+ printf "\n"
+ printf "#if defined (${macro})\n"
+ printf "/* Legacy for systems yet to multi-arch ${macro} */\n"
+ #printf "#if (GDB_MULTI_ARCH <= GDB_MULTI_ARCH_PARTIAL) && defined (${macro})\n"
+ printf "#if !defined (${macro}_P)\n"
+ printf "#define ${macro}_P() (1)\n"
+ printf "#endif\n"
+ printf "#endif\n"
+ printf "\n"
+ printf "/* Default predicate for non- multi-arch targets. */\n"
+ printf "#if (!GDB_MULTI_ARCH) && !defined (${macro}_P)\n"
+ printf "#define ${macro}_P() (0)\n"
+ printf "#endif\n"
+ printf "\n"
+ printf "extern int gdbarch_${function}_p (struct gdbarch *gdbarch);\n"
+ printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !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
fi
if class_is_function_p
then
- if fallback_default_p || class_is_predicate_p
+ if class_is_multiarch_p ; then :
+ elif fallback_default_p || class_is_predicate_p
then
printf "\n"
printf "/* Default (function) for non- multi-arch platforms. */\n"
printf "#if (!GDB_MULTI_ARCH) && !defined (${macro})\n"
if [ "${fallbackdefault}" = "0" ]
then
- printf "#define ${macro}(${actual}) (internal_error (\"${macro}\"), 0)\n"
+ printf "#define ${macro}(${actual}) (internal_error (__FILE__, __LINE__, \"${macro}\"), 0)\n"
else
# FIXME: Should be passing current_gdbarch through!
echo "#define ${macro}(${actual}) (${fallbackdefault} (${actual}))" \
printf "#endif\n"
fi
printf "\n"
- printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
+ if [ "${formal}" = "void" ] && class_is_multiarch_p
+ then
+ printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch);\n"
+ elif class_is_multiarch_p
+ then
+ printf "typedef ${returntype} (gdbarch_${function}_ftype) (struct gdbarch *gdbarch, ${formal});\n"
+ else
+ printf "typedef ${returntype} (gdbarch_${function}_ftype) (${formal});\n"
+ fi
if [ "${formal}" = "void" ]
then
printf "extern ${returntype} gdbarch_${function} (struct gdbarch *gdbarch);\n"
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"
- printf "#if GDB_MULTI_ARCH\n"
- printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
- if [ "${actual}" = "" ]
- then
- printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
- elif [ "${actual}" = "-" ]
- then
- printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
+ if class_is_multiarch_p ; then :
else
- printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
+ printf "#if GDB_MULTI_ARCH\n"
+ printf "#if (GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL) || !defined (${macro})\n"
+ if [ "${actual}" = "" ]
+ then
+ printf "#define ${macro}() (gdbarch_${function} (current_gdbarch))\n"
+ elif [ "${actual}" = "-" ]
+ then
+ printf "#define ${macro} (gdbarch_${function} (current_gdbarch))\n"
+ else
+ printf "#define ${macro}(${actual}) (gdbarch_${function} (current_gdbarch, ${actual}))\n"
+ fi
+ printf "#endif\n"
+ printf "#endif\n"
fi
- printf "#endif\n"
- printf "#endif\n"
fi
done
struct gdbarch_info
{
- /* Use default: bfd_arch_unknown (ZERO). */
- enum bfd_architecture bfd_architecture;
-
/* Use default: NULL (ZERO). */
const struct bfd_arch_info *bfd_arch_info;
extern void gdbarch_free (struct gdbarch *);
-/* Helper function. Force an update of the current architecture. Used
- by legacy targets that have added their own target specific
- architecture manipulation commands.
+/* Helper function. Force an update of the current architecture.
- The INFO parameter shall be fully initialized (\`\`memset (&INFO,
- sizeof (info), 0)'' set relevant fields) before gdbarch_update_p()
- is called. gdbarch_update_p() shall initialize any \`\`default''
- fields using information obtained from the previous architecture or
- INFO.ABFD (if specified) before calling the corresponding
- architectures INIT function.
+ 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 */
Reserve space for a per-architecture data-pointer. An identifier
for the reserved data-pointer is returned. That identifer should
- be saved in a local static.
+ be saved in a local static variable.
- When a new architecture is selected, INIT() is called. When a
- previous architecture is re-selected, the per-architecture
- data-pointer for that previous architecture is restored (INIT() is
- not called).
+ The per-architecture data-pointer can be initialized in one of two
+ ways: The value can be set explicitly using a call to
+ set_gdbarch_data(); the value can be set implicitly using the value
+ returned by a non-NULL INIT() callback. INIT(), when non-NULL is
+ called after the basic architecture vector has been created.
- INIT() shall return the initial value for the per-architecture
- data-pointer for the current architecture.
+ When a previously created architecture is re-selected, the
+ per-architecture data-pointer for that previous architecture is
+ restored. INIT() is not called.
+
+ During initialization, multiple assignments of the data-pointer are
+ allowed, non-NULL values are deleted by calling FREE(). If the
+ architecture is deleted using gdbarch_free() all non-NULL data
+ pointers are also deleted using FREE().
Multiple registrarants for any architecture are allowed (and
strongly encouraged). */
-typedef void *(gdbarch_data_ftype) (void);
-extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_ftype *init);
+struct gdbarch_data;
-/* Return the value of the per-architecture data-pointer for the
- current architecture. */
+typedef void *(gdbarch_data_init_ftype) (struct gdbarch *gdbarch);
+typedef void (gdbarch_data_free_ftype) (struct gdbarch *gdbarch,
+ void *pointer);
+extern struct gdbarch_data *register_gdbarch_data (gdbarch_data_init_ftype *init,
+ gdbarch_data_free_ftype *free);
+extern void set_gdbarch_data (struct gdbarch *gdbarch,
+ struct gdbarch_data *data,
+ void *pointer);
extern void *gdbarch_data (struct gdbarch_data*);
-
/* Register per-architecture memory region.
Provide a memory-region swap mechanism. Per-architecture memory
/* Fallback definition for EXTRACT_STRUCT_VALUE_ADDRESS */
#ifndef EXTRACT_STRUCT_VALUE_ADDRESS
#define EXTRACT_STRUCT_VALUE_ADDRESS_P (0)
-#define EXTRACT_STRUCT_VALUE_ADDRESS(X) (internal_error ("gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
+#define EXTRACT_STRUCT_VALUE_ADDRESS(X) (internal_error (__FILE__, __LINE__, "gdbarch: EXTRACT_STRUCT_VALUE_ADDRESS"), 0)
#else
#ifndef EXTRACT_STRUCT_VALUE_ADDRESS_P
#define EXTRACT_STRUCT_VALUE_ADDRESS_P (1)
#include "floatformat.h"
+#include "gdb_assert.h"
+
/* Static function declarations */
static void verify_gdbarch (struct gdbarch *gdbarch);
+static void alloc_gdbarch_data (struct gdbarch *);
static void init_gdbarch_data (struct gdbarch *);
+static void free_gdbarch_data (struct gdbarch *);
static void init_gdbarch_swap (struct gdbarch *);
static void swapout_gdbarch_swap (struct gdbarch *);
static void swapin_gdbarch_swap (struct gdbarch *);
printf " gdbarch_dump_tdep_ftype *dump_tdep;\n"
printf "\n"
printf " /* per-architecture data-pointers */\n"
-printf " int nr_data;\n"
+printf " unsigned nr_data;\n"
printf " void **data;\n"
printf "\n"
printf " /* per-architecture swap-regions */\n"
struct gdbarch *gdbarch = XMALLOC (struct gdbarch);
memset (gdbarch, 0, sizeof (*gdbarch));
+ alloc_gdbarch_data (gdbarch);
+
gdbarch->tdep = tdep;
EOF
printf "\n"
void
gdbarch_free (struct gdbarch *arch)
{
- /* At the moment, this is trivial. */
- free (arch);
+ gdb_assert (arch != NULL);
+ free_gdbarch_data (arch);
+ xfree (arch);
}
EOF
return;
/* fundamental */
if (gdbarch->byte_order == 0)
- internal_error ("verify_gdbarch: byte-order unset");
+ internal_error (__FILE__, __LINE__,
+ "verify_gdbarch: byte-order unset");
if (gdbarch->bfd_arch_info == NULL)
- internal_error ("verify_gdbarch: bfd_arch_info unset");
+ internal_error (__FILE__, __LINE__,
+ "verify_gdbarch: bfd_arch_info unset");
/* Check those that need to be defined for the given multi-arch level. */
EOF
function_list | while do_read
then
printf " if ((GDB_MULTI_ARCH >= ${level})\n"
printf " && (${invalid_p}))\n"
- printf " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
elif [ "${predefault}" ]
then
printf " if ((GDB_MULTI_ARCH >= ${level})\n"
printf " && (gdbarch->${function} == ${predefault}))\n"
- printf " internal_error (\"gdbarch: verify_gdbarch: ${function} invalid\");\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: verify_gdbarch: ${function} invalid\");\n"
fi
fi
done
EOF
function_list | while do_read
do
+ # multiarch functions don't have macros.
+ class_is_multiarch_p && continue
if [ "${returntype}" = "void" ]
then
printf "#if defined (${macro}) && GDB_MULTI_ARCH\n"
done
function_list | while do_read
do
+ if class_is_multiarch_p
+ then
+ printf " if (GDB_MULTI_ARCH)\n"
+ printf " fprintf_unfiltered (file,\n"
+ printf " \"gdbarch_dump: ${function} = 0x%%08lx\\\\n\",\n"
+ printf " (long) current_gdbarch->${function});\n"
+ continue
+ fi
printf "#ifdef ${macro}\n"
if [ "${print_p}" = "()" ]
then
- printf " gdbarch_dump_${function} (current_gdbarch);\n"
+ printf " gdbarch_dump_${function} (current_gdbarch);\n"
elif [ "${print_p}" = "0" ]
then
- printf " /* skip print of ${macro}, print_p == 0. */\n"
+ printf " /* skip print of ${macro}, print_p == 0. */\n"
elif [ "${print_p}" ]
then
- printf " if (${print_p})\n"
+ printf " if (${print_p})\n"
printf " fprintf_unfiltered (file,\n"
printf " \"gdbarch_dump: ${macro} = %s\\\\n\",\n" "${fmt}"
printf " ${print});\n"
fi
printf "{\n"
printf " if (gdbarch->${function} == 0)\n"
- printf " internal_error (\"gdbarch: gdbarch_${function} invalid\");\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: gdbarch_${function} invalid\");\n"
printf " if (gdbarch_debug >= 2)\n"
printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
- test "${actual}" = "-" && actual=""
+ if [ "${actual}" = "-" -o "${actual}" = "" ]
+ then
+ if class_is_multiarch_p
+ then
+ params="gdbarch"
+ else
+ params=""
+ fi
+ else
+ if class_is_multiarch_p
+ then
+ params="gdbarch, ${actual}"
+ else
+ params="${actual}"
+ fi
+ fi
if [ "${returntype}" = "void" ]
then
- printf " gdbarch->${function} (${actual});\n"
+ printf " gdbarch->${function} (${params});\n"
else
- printf " return gdbarch->${function} (${actual});\n"
+ printf " return gdbarch->${function} (${params});\n"
fi
printf "}\n"
printf "\n"
elif [ "${invalid_p}" ]
then
printf " if (${invalid_p})\n"
- printf " internal_error (\"gdbarch: gdbarch_${function} invalid\");\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: gdbarch_${function} invalid\");\n"
elif [ "${predefault}" ]
then
printf " if (gdbarch->${function} == ${predefault})\n"
- printf " internal_error (\"gdbarch: gdbarch_${function} invalid\");\n"
+ printf " internal_error (__FILE__, __LINE__,\n"
+ printf " \"gdbarch: gdbarch_${function} invalid\");\n"
fi
printf " if (gdbarch_debug >= 2)\n"
printf " fprintf_unfiltered (gdb_stdlog, \"gdbarch_${function} called\\\\n\");\n"
struct gdbarch_data
{
- int index;
+ unsigned index;
+ gdbarch_data_init_ftype *init;
+ gdbarch_data_free_ftype *free;
};
struct gdbarch_data_registration
{
- gdbarch_data_ftype *init;
struct gdbarch_data *data;
struct gdbarch_data_registration *next;
};
struct gdbarch_data_registry
{
- int nr;
+ unsigned nr;
struct gdbarch_data_registration *registrations;
};
};
struct gdbarch_data *
-register_gdbarch_data (gdbarch_data_ftype *init)
+register_gdbarch_data (gdbarch_data_init_ftype *init,
+ gdbarch_data_free_ftype *free)
{
struct gdbarch_data_registration **curr;
for (curr = &gdbarch_data_registry.registrations;
curr = &(*curr)->next);
(*curr) = XMALLOC (struct gdbarch_data_registration);
(*curr)->next = NULL;
- (*curr)->init = init;
(*curr)->data = XMALLOC (struct gdbarch_data);
(*curr)->data->index = gdbarch_data_registry.nr++;
+ (*curr)->data->init = init;
+ (*curr)->data->free = free;
return (*curr)->data;
}
init_gdbarch_data (struct gdbarch *gdbarch)
{
struct gdbarch_data_registration *rego;
- gdbarch->nr_data = gdbarch_data_registry.nr + 1;
- gdbarch->data = xmalloc (sizeof (void*) * gdbarch->nr_data);
for (rego = gdbarch_data_registry.registrations;
rego != NULL;
rego = rego->next)
{
- if (rego->data->index < gdbarch->nr_data)
- gdbarch->data[rego->data->index] = rego->init ();
+ struct gdbarch_data *data = rego->data;
+ gdb_assert (data->index < gdbarch->nr_data);
+ if (data->init != NULL)
+ {
+ void *pointer = data->init (gdbarch);
+ set_gdbarch_data (gdbarch, data, pointer);
+ }
}
}
+/* Create/delete the gdbarch data vector. */
+
+static void
+alloc_gdbarch_data (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch->data == NULL);
+ gdbarch->nr_data = gdbarch_data_registry.nr;
+ gdbarch->data = xcalloc (gdbarch->nr_data, sizeof (void*));
+}
+
+static void
+free_gdbarch_data (struct gdbarch *gdbarch)
+{
+ struct gdbarch_data_registration *rego;
+ gdb_assert (gdbarch->data != NULL);
+ for (rego = gdbarch_data_registry.registrations;
+ rego != NULL;
+ rego = rego->next)
+ {
+ struct gdbarch_data *data = rego->data;
+ gdb_assert (data->index < gdbarch->nr_data);
+ if (data->free != NULL && gdbarch->data[data->index] != NULL)
+ {
+ data->free (gdbarch, gdbarch->data[data->index]);
+ gdbarch->data[data->index] = NULL;
+ }
+ }
+ xfree (gdbarch->data);
+ gdbarch->data = NULL;
+}
+
+
+/* Initialize the current value of thee specified per-architecture
+ data-pointer. */
+
+void
+set_gdbarch_data (struct gdbarch *gdbarch,
+ struct gdbarch_data *data,
+ void *pointer)
+{
+ gdb_assert (data->index < gdbarch->nr_data);
+ if (data->free != NULL && gdbarch->data[data->index] != NULL)
+ data->free (gdbarch, gdbarch->data[data->index]);
+ gdbarch->data[data->index] = pointer;
+}
/* Return the current value of the specified per-architecture
data-pointer. */
void *
gdbarch_data (struct gdbarch_data *data)
{
- if (data->index >= current_gdbarch->nr_data)
- internal_error ("gdbarch_data: request for non-existant data.");
+ gdb_assert (data->index < current_gdbarch->nr_data);
return current_gdbarch->data[data->index];
}
const struct bfd_arch_info *ap;
ap = bfd_lookup_arch (rego->bfd_architecture, 0);
if (ap == NULL)
- internal_error ("gdbarch_architecture_names: multi-arch unknown");
+ internal_error (__FILE__, __LINE__,
+ "gdbarch_architecture_names: multi-arch unknown");
do
{
append_name (&arches, &nr_arches, ap->printable_name);
bfd_arch_info = bfd_lookup_arch (bfd_architecture, 0);
if (bfd_arch_info == NULL)
{
- internal_error ("gdbarch: Attempt to register unknown architecture (%d)", bfd_architecture);
+ internal_error (__FILE__, __LINE__,
+ "gdbarch: Attempt to register unknown architecture (%d)",
+ bfd_architecture);
}
/* Check that we haven't seen this architecture before */
for (curr = &gdbarch_registry;
curr = &(*curr)->next)
{
if (bfd_architecture == (*curr)->bfd_architecture)
- internal_error ("gdbarch: Duplicate registraration of architecture (%s)",
- bfd_arch_info->printable_name);
+ internal_error (__FILE__, __LINE__,
+ "gdbarch: Duplicate registraration of architecture (%s)",
+ bfd_arch_info->printable_name);
}
/* log it */
if (gdbarch_debug)
struct gdbarch_list **list;
struct gdbarch_registration *rego;
- /* Fill in any missing bits. Most important is the bfd_architecture
- which is used to select the target architecture. */
- if (info.bfd_architecture == bfd_arch_unknown)
- {
- if (info.bfd_arch_info != NULL)
- info.bfd_architecture = info.bfd_arch_info->arch;
- else if (info.abfd != NULL)
- info.bfd_architecture = bfd_get_arch (info.abfd);
- /* FIXME - should query BFD for its default architecture. */
- else
- info.bfd_architecture = current_gdbarch->bfd_arch_info->arch;
- }
+ /* 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)
- {
- if (target_architecture_auto && info.abfd != NULL)
- info.bfd_arch_info = bfd_get_arch_info (info.abfd);
- else
- info.bfd_arch_info = current_gdbarch->bfd_arch_info;
- }
+ info.bfd_arch_info = TARGET_ARCHITECTURE;
+
+ /* \`\`(gdb) set byte-order ...'' */
+ if (info.byte_order == 0
+ && !TARGET_BYTE_ORDER_AUTO)
+ info.byte_order = TARGET_BYTE_ORDER;
+ /* From the INFO struct. */
+ if (info.byte_order == 0
+ && info.abfd != NULL)
+ info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN
+ : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN
+ : 0);
+ /* From the current target. */
if (info.byte_order == 0)
- {
- if (target_byte_order_auto && info.abfd != NULL)
- info.byte_order = (bfd_big_endian (info.abfd) ? BIG_ENDIAN
- : bfd_little_endian (info.abfd) ? LITTLE_ENDIAN
- : 0);
- else
- info.byte_order = current_gdbarch->byte_order;
- /* FIXME - should query BFD for its default byte-order. */
- }
- /* A default for abfd? */
+ info.byte_order = TARGET_BYTE_ORDER;
- /* Find the target that knows about this architecture. */
- for (rego = gdbarch_registry;
- rego != NULL;
- rego = rego->next)
- if (rego->bfd_architecture == info.bfd_architecture)
- break;
- if (rego == NULL)
- {
- if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
- return 0;
- }
+ /* Must have found some sort of architecture. */
+ gdb_assert (info.bfd_arch_info != NULL);
if (gdbarch_debug)
{
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.bfd_architecture %d (%s)\\n",
- info.bfd_architecture,
- bfd_lookup_arch (info.bfd_architecture, 0)->printable_name);
- fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.bfd_arch_info %s\\n",
+ "gdbarch_update: info.bfd_arch_info %s\n",
(info.bfd_arch_info != NULL
? info.bfd_arch_info->printable_name
: "(null)"));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.byte_order %d (%s)\\n",
+ "gdbarch_update: info.byte_order %d (%s)\n",
info.byte_order,
(info.byte_order == BIG_ENDIAN ? "big"
: info.byte_order == LITTLE_ENDIAN ? "little"
: "default"));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.abfd 0x%lx\\n",
+ "gdbarch_update: info.abfd 0x%lx\n",
(long) info.abfd);
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.tdep_info 0x%lx\\n",
+ "gdbarch_update: info.tdep_info 0x%lx\n",
(long) info.tdep_info);
}
+ /* Find the target that knows about this architecture. */
+ for (rego = gdbarch_registry;
+ rego != NULL;
+ rego = rego->next)
+ if (rego->bfd_architecture == info.bfd_arch_info->arch)
+ break;
+ if (rego == NULL)
+ {
+ if (gdbarch_debug)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\\n");
+ return 0;
+ }
+
/* Ask the target for a replacement architecture. */
new_gdbarch = rego->init (info, rego->arches);