#!/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.
#
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
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)
/* *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.
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}))" \
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: ${function} invalid\");\n"
fi
fi
done
fi
printf "{\n"
printf " if (gdbarch->${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=""
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)
projects / deliverable / binutils-gdb.git / blobdiff