gdbarch_convert_from_func_ptr_addr_ftype *convert_from_func_ptr_addr;
gdbarch_addr_bits_remove_ftype *addr_bits_remove;
int significant_addr_bit;
+ gdbarch_memtag_to_string_ftype *memtag_to_string;
+ gdbarch_tagged_address_p_ftype *tagged_address_p;
+ gdbarch_memtag_mismatch_p_ftype *memtag_mismatch_p;
+ gdbarch_set_memtags_ftype *set_memtags;
+ gdbarch_get_memtag_ftype *get_memtag;
+ CORE_ADDR memtag_granule_size;
gdbarch_software_single_step_ftype *software_single_step;
gdbarch_single_step_through_delay_ftype *single_step_through_delay;
gdbarch_print_insn_ftype *print_insn;
gdbarch->stabs_argument_has_addr = default_stabs_argument_has_addr;
gdbarch->convert_from_func_ptr_addr = convert_from_func_ptr_addr_identity;
gdbarch->addr_bits_remove = core_addr_identity;
+ gdbarch->memtag_to_string = default_memtag_to_string;
+ gdbarch->tagged_address_p = default_tagged_address_p;
+ gdbarch->memtag_mismatch_p = default_memtag_mismatch_p;
+ gdbarch->set_memtags = default_set_memtags;
+ gdbarch->get_memtag = default_get_memtag;
gdbarch->print_insn = default_print_insn;
gdbarch->skip_trampoline_code = generic_skip_trampoline_code;
gdbarch->skip_solib_resolver = generic_skip_solib_resolver;
/* Skip verify of convert_from_func_ptr_addr, invalid_p == 0 */
/* Skip verify of addr_bits_remove, invalid_p == 0 */
/* Skip verify of significant_addr_bit, invalid_p == 0 */
+ /* Skip verify of memtag_to_string, invalid_p == 0 */
+ /* Skip verify of tagged_address_p, invalid_p == 0 */
+ /* Skip verify of memtag_mismatch_p, invalid_p == 0 */
+ /* Skip verify of set_memtags, invalid_p == 0 */
+ /* Skip verify of get_memtag, invalid_p == 0 */
+ /* Skip verify of memtag_granule_size, invalid_p == 0 */
/* Skip verify of software_single_step, has predicate. */
/* Skip verify of single_step_through_delay, has predicate. */
/* Skip verify of print_insn, invalid_p == 0 */
fprintf_unfiltered (file,
"gdbarch_dump: get_longjmp_target = <%s>\n",
host_address_to_string (gdbarch->get_longjmp_target));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: get_memtag = <%s>\n",
+ host_address_to_string (gdbarch->get_memtag));
fprintf_unfiltered (file,
"gdbarch_dump: get_pc_address_flags = <%s>\n",
host_address_to_string (gdbarch->get_pc_address_flags));
fprintf_unfiltered (file,
"gdbarch_dump: memory_remove_breakpoint = <%s>\n",
host_address_to_string (gdbarch->memory_remove_breakpoint));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: memtag_granule_size = %s\n",
+ core_addr_to_string_nz (gdbarch->memtag_granule_size));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: memtag_mismatch_p = <%s>\n",
+ host_address_to_string (gdbarch->memtag_mismatch_p));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: memtag_to_string = <%s>\n",
+ host_address_to_string (gdbarch->memtag_to_string));
fprintf_unfiltered (file,
"gdbarch_dump: num_pseudo_regs = %s\n",
plongest (gdbarch->num_pseudo_regs));
fprintf_unfiltered (file,
"gdbarch_dump: sdb_reg_to_regnum = <%s>\n",
host_address_to_string (gdbarch->sdb_reg_to_regnum));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: set_memtags = <%s>\n",
+ host_address_to_string (gdbarch->set_memtags));
fprintf_unfiltered (file,
"gdbarch_dump: short_bit = %s\n",
plongest (gdbarch->short_bit));
fprintf_unfiltered (file,
"gdbarch_dump: syscalls_info = %s\n",
host_address_to_string (gdbarch->syscalls_info));
+ fprintf_unfiltered (file,
+ "gdbarch_dump: tagged_address_p = <%s>\n",
+ host_address_to_string (gdbarch->tagged_address_p));
fprintf_unfiltered (file,
"gdbarch_dump: target_desc = %s\n",
host_address_to_string (gdbarch->target_desc));
gdbarch->significant_addr_bit = significant_addr_bit;
}
+std::string
+gdbarch_memtag_to_string (struct gdbarch *gdbarch, struct value *address, enum memtag_type tag_type)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->memtag_to_string != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_memtag_to_string called\n");
+ return gdbarch->memtag_to_string (gdbarch, address, tag_type);
+}
+
+void
+set_gdbarch_memtag_to_string (struct gdbarch *gdbarch,
+ gdbarch_memtag_to_string_ftype memtag_to_string)
+{
+ gdbarch->memtag_to_string = memtag_to_string;
+}
+
+bool
+gdbarch_tagged_address_p (struct gdbarch *gdbarch, struct value *address)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->tagged_address_p != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_tagged_address_p called\n");
+ return gdbarch->tagged_address_p (gdbarch, address);
+}
+
+void
+set_gdbarch_tagged_address_p (struct gdbarch *gdbarch,
+ gdbarch_tagged_address_p_ftype tagged_address_p)
+{
+ gdbarch->tagged_address_p = tagged_address_p;
+}
+
+bool
+gdbarch_memtag_mismatch_p (struct gdbarch *gdbarch, struct value *address)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->memtag_mismatch_p != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_memtag_mismatch_p called\n");
+ return gdbarch->memtag_mismatch_p (gdbarch, address);
+}
+
+void
+set_gdbarch_memtag_mismatch_p (struct gdbarch *gdbarch,
+ gdbarch_memtag_mismatch_p_ftype memtag_mismatch_p)
+{
+ gdbarch->memtag_mismatch_p = memtag_mismatch_p;
+}
+
+int
+gdbarch_set_memtags (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, enum memtag_type tag_type)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->set_memtags != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_set_memtags called\n");
+ return gdbarch->set_memtags (gdbarch, address, length, tags, tag_type);
+}
+
+void
+set_gdbarch_set_memtags (struct gdbarch *gdbarch,
+ gdbarch_set_memtags_ftype set_memtags)
+{
+ gdbarch->set_memtags = set_memtags;
+}
+
+struct value *
+gdbarch_get_memtag (struct gdbarch *gdbarch, struct value *address, enum memtag_type tag_type)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->get_memtag != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_get_memtag called\n");
+ return gdbarch->get_memtag (gdbarch, address, tag_type);
+}
+
+void
+set_gdbarch_get_memtag (struct gdbarch *gdbarch,
+ gdbarch_get_memtag_ftype get_memtag)
+{
+ gdbarch->get_memtag = get_memtag;
+}
+
+CORE_ADDR
+gdbarch_memtag_granule_size (struct gdbarch *gdbarch)
+{
+ gdb_assert (gdbarch != NULL);
+ /* Skip verify of memtag_granule_size, invalid_p == 0 */
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_memtag_granule_size called\n");
+ return gdbarch->memtag_granule_size;
+}
+
+void
+set_gdbarch_memtag_granule_size (struct gdbarch *gdbarch,
+ CORE_ADDR memtag_granule_size)
+{
+ gdbarch->memtag_granule_size = memtag_granule_size;
+}
+
int
gdbarch_software_single_step_p (struct gdbarch *gdbarch)
{
return_method_struct,
};
+enum memtag_type
+{
+ /* Logical tag, the tag that is stored in unused bits of a pointer to a
+ virtual address. */
+ tag_logical = 0,
+
+ /* Allocation tag, the tag that is associated with every granule of memory in
+ the physical address space. Allocation tags are used to validate memory
+ accesses via pointers containing logical tags. */
+ tag_allocation,
+};
+
/* The following are pre-initialized by GDBARCH. */
extern int gdbarch_significant_addr_bit (struct gdbarch *gdbarch);
extern void set_gdbarch_significant_addr_bit (struct gdbarch *gdbarch, int significant_addr_bit);
+/* Return a string representation of the memory tag TYPE of ADDRESS.
+ If no tag is associated with such an address, return the empty string. */
+
+typedef std::string (gdbarch_memtag_to_string_ftype) (struct gdbarch *gdbarch, struct value *address, enum memtag_type tag_type);
+extern std::string gdbarch_memtag_to_string (struct gdbarch *gdbarch, struct value *address, enum memtag_type tag_type);
+extern void set_gdbarch_memtag_to_string (struct gdbarch *gdbarch, gdbarch_memtag_to_string_ftype *memtag_to_string);
+
+/* Return true if ADDRESS contains a tag and false otherwise. */
+
+typedef bool (gdbarch_tagged_address_p_ftype) (struct gdbarch *gdbarch, struct value *address);
+extern bool gdbarch_tagged_address_p (struct gdbarch *gdbarch, struct value *address);
+extern void set_gdbarch_tagged_address_p (struct gdbarch *gdbarch, gdbarch_tagged_address_p_ftype *tagged_address_p);
+
+/* Return true if the tag from ADDRESS does not match the memory tag for that
+ particular address. Return false otherwise. */
+
+typedef bool (gdbarch_memtag_mismatch_p_ftype) (struct gdbarch *gdbarch, struct value *address);
+extern bool gdbarch_memtag_mismatch_p (struct gdbarch *gdbarch, struct value *address);
+extern void set_gdbarch_memtag_mismatch_p (struct gdbarch *gdbarch, gdbarch_memtag_mismatch_p_ftype *memtag_mismatch_p);
+
+/* Set the tags for the address range [ADDRESS, ADDRESS + LENGTH) to TAGS
+ Return 0 if successful and non-zero otherwise. */
+
+typedef int (gdbarch_set_memtags_ftype) (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, enum memtag_type tag_type);
+extern int gdbarch_set_memtags (struct gdbarch *gdbarch, struct value *address, size_t length, const gdb::byte_vector &tags, enum memtag_type tag_type);
+extern void set_gdbarch_set_memtags (struct gdbarch *gdbarch, gdbarch_set_memtags_ftype *set_memtags);
+
+/* Return the tag portion of ADDRESS, assuming ADDRESS is tagged. */
+
+typedef struct value * (gdbarch_get_memtag_ftype) (struct gdbarch *gdbarch, struct value *address, enum memtag_type tag_type);
+extern struct value * gdbarch_get_memtag (struct gdbarch *gdbarch, struct value *address, enum memtag_type tag_type);
+extern void set_gdbarch_get_memtag (struct gdbarch *gdbarch, gdbarch_get_memtag_ftype *get_memtag);
+
+/* memtag_granule_size is the size of the allocation tag granule, for
+ architectures that support memory tagging.
+ This is 0 for architectures that do not support memory tagging.
+ For a non-zero value, this represents the number of bytes of memory per tag. */
+
+extern CORE_ADDR gdbarch_memtag_granule_size (struct gdbarch *gdbarch);
+extern void set_gdbarch_memtag_granule_size (struct gdbarch *gdbarch, CORE_ADDR memtag_granule_size);
+
/* 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.
# additional data associated with the address.
v;int;significant_addr_bit;;;;;;0
+# Return a string representation of the memory tag TYPE of ADDRESS.
+# If no tag is associated with such an address, return the empty string.
++m;std::string;memtag_to_string;struct value *address, enum memtag_type tag_type;address, tag_type;;default_memtag_to_string;;0
+
+# Return true if ADDRESS contains a tag and false otherwise.
++m;bool;tagged_address_p;struct value *address;address;;default_tagged_address_p;;0
+
+# Return true if the tag from ADDRESS does not match the memory tag for that
+# particular address. Return false otherwise.
++m;bool;memtag_mismatch_p;struct value *address;address;;default_memtag_mismatch_p;;0
+
+# Set the tags for the address range [ADDRESS, ADDRESS + LENGTH) to TAGS
+# Return 0 if successful and non-zero otherwise.
++m;int;set_memtags;struct value *address, size_t length, const gdb::byte_vector \&tags, enum memtag_type tag_type;address, length, tags, tag_type;;default_set_memtags;;0
+
+# Return the tag portion of ADDRESS, assuming ADDRESS is tagged.
++m;struct value *;get_memtag;struct value *address, enum memtag_type tag_type;address, tag_type;;default_get_memtag;;0
+
+# memtag_granule_size is the size of the allocation tag granule, for
+# architectures that support memory tagging.
+# This is 0 for architectures that do not support memory tagging.
+# For a non-zero value, this represents the number of bytes of memory per tag.
+v;CORE_ADDR;memtag_granule_size;;;;;;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.
return_method_struct,
};
+enum memtag_type
+{
+ /* Logical tag, the tag that is stored in unused bits of a pointer to a
+ virtual address. */
+ tag_logical = 0,
+
+ /* Allocation tag, the tag that is associated with every granule of memory in
+ the physical address space. Allocation tags are used to validate memory
+ accesses via pointers containing logical tags. */
+ tag_allocation,
+};
+
EOF
# function typedef's