/* *INDENT-OFF* */ /* THIS FILE IS GENERATED */
/* Dynamic architecture support for GDB, the GNU debugger.
- Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
+
+ Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free
+ Software Foundation, Inc.
This file is part of GDB.
/* 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. */
int pc_regnum;
int ps_regnum;
int fp0_regnum;
- int deprecated_npc_regnum;
gdbarch_stab_reg_to_regnum_ftype *stab_reg_to_regnum;
gdbarch_ecoff_reg_to_regnum_ftype *ecoff_reg_to_regnum;
gdbarch_dwarf_reg_to_regnum_ftype *dwarf_reg_to_regnum;
gdbarch_deprecated_store_return_value_ftype *deprecated_store_return_value;
gdbarch_use_struct_convention_ftype *use_struct_convention;
gdbarch_extract_struct_value_address_ftype *extract_struct_value_address;
- gdbarch_deprecated_extract_struct_value_address_ftype *deprecated_extract_struct_value_address;
gdbarch_deprecated_frame_init_saved_regs_ftype *deprecated_frame_init_saved_regs;
gdbarch_deprecated_init_extra_frame_info_ftype *deprecated_init_extra_frame_info;
gdbarch_skip_prologue_ftype *skip_prologue;
gdbarch_software_single_step_ftype *software_single_step;
gdbarch_print_insn_ftype *print_insn;
gdbarch_skip_trampoline_code_ftype *skip_trampoline_code;
+ gdbarch_skip_solib_resolver_ftype *skip_solib_resolver;
gdbarch_in_solib_call_trampoline_ftype *in_solib_call_trampoline;
gdbarch_in_solib_return_trampoline_ftype *in_solib_return_trampoline;
gdbarch_pc_in_sigtramp_ftype *pc_in_sigtramp;
-1, /* pc_regnum */
-1, /* ps_regnum */
0, /* fp0_regnum */
- 0, /* deprecated_npc_regnum */
0, /* stab_reg_to_regnum */
0, /* ecoff_reg_to_regnum */
0, /* dwarf_reg_to_regnum */
0, /* deprecated_store_return_value */
0, /* use_struct_convention */
0, /* extract_struct_value_address */
- 0, /* deprecated_extract_struct_value_address */
0, /* deprecated_frame_init_saved_regs */
0, /* deprecated_init_extra_frame_info */
0, /* skip_prologue */
0, /* float_format */
0, /* double_format */
0, /* long_double_format */
- 0, /* convert_from_func_ptr_addr */
+ convert_from_func_ptr_addr_identity, /* convert_from_func_ptr_addr */
0, /* addr_bits_remove */
0, /* smash_text_address */
0, /* software_single_step */
0, /* print_insn */
0, /* skip_trampoline_code */
+ generic_skip_solib_resolver, /* skip_solib_resolver */
0, /* in_solib_call_trampoline */
0, /* in_solib_return_trampoline */
0, /* pc_in_sigtramp */
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);
-}
-
-
/* Create a new ``struct gdbarch'' based on information provided by
``struct gdbarch_info''. */
current_gdbarch->pc_regnum = -1;
current_gdbarch->ps_regnum = -1;
current_gdbarch->fp0_regnum = -1;
- current_gdbarch->deprecated_npc_regnum = -1;
current_gdbarch->stab_reg_to_regnum = no_op_reg_to_regnum;
current_gdbarch->ecoff_reg_to_regnum = no_op_reg_to_regnum;
current_gdbarch->dwarf_reg_to_regnum = no_op_reg_to_regnum;
current_gdbarch->prologue_frameless_p = generic_prologue_frameless_p;
current_gdbarch->memory_insert_breakpoint = default_memory_insert_breakpoint;
current_gdbarch->memory_remove_breakpoint = default_memory_remove_breakpoint;
- current_gdbarch->decr_pc_after_break = -1;
- current_gdbarch->function_start_offset = -1;
current_gdbarch->remote_translate_xfer_address = generic_remote_translate_xfer_address;
current_gdbarch->frame_args_skip = -1;
current_gdbarch->frameless_function_invocation = generic_frameless_function_invocation_not;
current_gdbarch->deprecated_frame_args_address = get_frame_base;
current_gdbarch->deprecated_frame_locals_address = get_frame_base;
current_gdbarch->stabs_argument_has_addr = default_stabs_argument_has_addr;
- current_gdbarch->convert_from_func_ptr_addr = core_addr_identity;
+ current_gdbarch->convert_from_func_ptr_addr = convert_from_func_ptr_addr_identity;
current_gdbarch->addr_bits_remove = core_addr_identity;
current_gdbarch->smash_text_address = core_addr_identity;
current_gdbarch->skip_trampoline_code = generic_skip_trampoline_code;
+ current_gdbarch->skip_solib_resolver = generic_skip_solib_resolver;
current_gdbarch->in_solib_call_trampoline = generic_in_solib_call_trampoline;
current_gdbarch->in_solib_return_trampoline = generic_in_solib_return_trampoline;
current_gdbarch->pc_in_sigtramp = legacy_pc_in_sigtramp;
}
-/* Ensure that all values in a GDBARCH are reasonable. */
+/* 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. */
/* Skip verify of short_bit, invalid_p == 0 */
/* Skip verify of double_bit, invalid_p == 0 */
/* Skip verify of long_double_bit, invalid_p == 0 */
/* Skip verify of ptr_bit, invalid_p == 0 */
- if (gdbarch->addr_bit == 0)
- gdbarch->addr_bit = TARGET_PTR_BIT;
+ if (current_gdbarch->addr_bit == 0)
+ current_gdbarch->addr_bit = TARGET_PTR_BIT;
/* Skip verify of bfd_vma_bit, invalid_p == 0 */
- if (gdbarch->char_signed == -1)
- gdbarch->char_signed = 1;
+ if (current_gdbarch->char_signed == -1)
+ current_gdbarch->char_signed = 1;
/* Skip verify of read_pc, has predicate */
/* Skip verify of write_pc, invalid_p == 0 */
/* Skip verify of read_sp, has predicate */
/* Skip verify of pseudo_register_read, has predicate */
/* Skip verify of pseudo_register_write, has predicate */
if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->num_regs == -1))
+ && (current_gdbarch->num_regs == -1))
fprintf_unfiltered (log, "\n\tnum_regs");
/* Skip verify of num_pseudo_regs, invalid_p == 0 */
/* Skip verify of sp_regnum, invalid_p == 0 */
/* Skip verify of pc_regnum, invalid_p == 0 */
/* Skip verify of ps_regnum, invalid_p == 0 */
/* Skip verify of fp0_regnum, invalid_p == 0 */
- /* Skip verify of deprecated_npc_regnum, invalid_p == 0 */
/* Skip verify of stab_reg_to_regnum, invalid_p == 0 */
/* Skip verify of ecoff_reg_to_regnum, invalid_p == 0 */
/* Skip verify of dwarf_reg_to_regnum, invalid_p == 0 */
/* Skip verify of store_return_value, invalid_p == 0 */
/* Skip verify of use_struct_convention, invalid_p == 0 */
/* Skip verify of extract_struct_value_address, has predicate */
- /* Skip verify of deprecated_extract_struct_value_address, has predicate */
/* Skip verify of deprecated_frame_init_saved_regs, has predicate */
/* Skip verify of deprecated_init_extra_frame_info, has predicate */
if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->skip_prologue == 0))
+ && (current_gdbarch->skip_prologue == 0))
fprintf_unfiltered (log, "\n\tskip_prologue");
/* Skip verify of prologue_frameless_p, invalid_p == 0 */
if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->inner_than == 0))
+ && (current_gdbarch->inner_than == 0))
fprintf_unfiltered (log, "\n\tinner_than");
if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->breakpoint_from_pc == 0))
+ && (current_gdbarch->breakpoint_from_pc == 0))
fprintf_unfiltered (log, "\n\tbreakpoint_from_pc");
/* Skip verify of adjust_breakpoint_address, has predicate */
/* Skip verify of memory_insert_breakpoint, invalid_p == 0 */
/* Skip verify of memory_remove_breakpoint, invalid_p == 0 */
- if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->decr_pc_after_break == -1))
- fprintf_unfiltered (log, "\n\tdecr_pc_after_break");
- if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->function_start_offset == -1))
- fprintf_unfiltered (log, "\n\tfunction_start_offset");
+ /* Skip verify of decr_pc_after_break, invalid_p == 0 */
+ /* Skip verify of function_start_offset, invalid_p == 0 */
/* Skip verify of remote_translate_xfer_address, invalid_p == 0 */
if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->frame_args_skip == -1))
+ && (current_gdbarch->frame_args_skip == -1))
fprintf_unfiltered (log, "\n\tframe_args_skip");
/* Skip verify of frameless_function_invocation, invalid_p == 0 */
/* Skip verify of deprecated_frame_chain, has predicate */
/* Skip verify of frame_align, has predicate */
/* Skip verify of deprecated_reg_struct_has_addr, has predicate */
/* Skip verify of stabs_argument_has_addr, invalid_p == 0 */
- if (gdbarch->float_format == 0)
- gdbarch->float_format = default_float_format (gdbarch);
- if (gdbarch->double_format == 0)
- gdbarch->double_format = default_double_format (gdbarch);
- if (gdbarch->long_double_format == 0)
- gdbarch->long_double_format = default_double_format (gdbarch);
+ if (current_gdbarch->float_format == 0)
+ current_gdbarch->float_format = default_float_format (current_gdbarch);
+ if (current_gdbarch->double_format == 0)
+ current_gdbarch->double_format = default_double_format (current_gdbarch);
+ if (current_gdbarch->long_double_format == 0)
+ current_gdbarch->long_double_format = default_double_format (current_gdbarch);
/* Skip verify of convert_from_func_ptr_addr, invalid_p == 0 */
/* Skip verify of addr_bits_remove, invalid_p == 0 */
/* Skip verify of smash_text_address, invalid_p == 0 */
/* Skip verify of software_single_step, has predicate */
if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
- && (gdbarch->print_insn == 0))
+ && (current_gdbarch->print_insn == 0))
fprintf_unfiltered (log, "\n\tprint_insn");
/* Skip verify of skip_trampoline_code, invalid_p == 0 */
+ /* Skip verify of skip_solib_resolver, invalid_p == 0 */
/* Skip verify of in_solib_call_trampoline, invalid_p == 0 */
/* Skip verify of in_solib_return_trampoline, invalid_p == 0 */
/* Skip verify of pc_in_sigtramp, invalid_p == 0 */
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",
GDB_MULTI_ARCH);
+ fprintf_unfiltered (file,
+ "gdbarch_dump: convert_from_func_ptr_addr = 0x%08lx\n",
+ (long) current_gdbarch->convert_from_func_ptr_addr);
fprintf_unfiltered (file,
"gdbarch_dump: gdbarch_frame_align_p() = %d\n",
gdbarch_frame_align_p (current_gdbarch));
fprintf_unfiltered (file,
"gdbarch_dump: construct_inferior_arguments = 0x%08lx\n",
(long) current_gdbarch->construct_inferior_arguments);
-#ifdef CONVERT_FROM_FUNC_PTR_ADDR
- fprintf_unfiltered (file,
- "gdbarch_dump: %s # %s\n",
- "CONVERT_FROM_FUNC_PTR_ADDR(addr)",
- XSTRING (CONVERT_FROM_FUNC_PTR_ADDR (addr)));
- fprintf_unfiltered (file,
- "gdbarch_dump: CONVERT_FROM_FUNC_PTR_ADDR = <0x%08lx>\n",
- (long) current_gdbarch->convert_from_func_ptr_addr
- /*CONVERT_FROM_FUNC_PTR_ADDR ()*/);
-#endif
#ifdef CONVERT_REGISTER_P
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
(long) current_gdbarch->deprecated_extract_return_value
/*DEPRECATED_EXTRACT_RETURN_VALUE ()*/);
#endif
-#ifdef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P
- fprintf_unfiltered (file,
- "gdbarch_dump: %s # %s\n",
- "DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P()",
- XSTRING (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P ()));
- fprintf_unfiltered (file,
- "gdbarch_dump: DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P() = %d\n",
- DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS_P ());
-#endif
-#ifdef DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS
- fprintf_unfiltered (file,
- "gdbarch_dump: %s # %s\n",
- "DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(regbuf)",
- XSTRING (DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS (regbuf)));
- fprintf_unfiltered (file,
- "gdbarch_dump: DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS = <0x%08lx>\n",
- (long) current_gdbarch->deprecated_extract_struct_value_address
- /*DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS ()*/);
-#endif
#ifdef DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED
fprintf_unfiltered (file,
"gdbarch_dump: DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED # %s\n",
"gdbarch_dump: DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE = %d\n",
DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE);
#endif
-#ifdef DEPRECATED_NPC_REGNUM
- fprintf_unfiltered (file,
- "gdbarch_dump: DEPRECATED_NPC_REGNUM # %s\n",
- XSTRING (DEPRECATED_NPC_REGNUM));
- fprintf_unfiltered (file,
- "gdbarch_dump: DEPRECATED_NPC_REGNUM = %d\n",
- DEPRECATED_NPC_REGNUM);
-#endif
#ifdef DEPRECATED_PC_IN_CALL_DUMMY_P
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
(long) current_gdbarch->skip_prologue
/*SKIP_PROLOGUE ()*/);
#endif
+ fprintf_unfiltered (file,
+ "gdbarch_dump: skip_solib_resolver = 0x%08lx\n",
+ (long) current_gdbarch->skip_solib_resolver);
#ifdef SKIP_TRAMPOLINE_CODE
fprintf_unfiltered (file,
"gdbarch_dump: %s # %s\n",
gdbarch->fp0_regnum = fp0_regnum;
}
-int
-gdbarch_deprecated_npc_regnum (struct gdbarch *gdbarch)
-{
- gdb_assert (gdbarch != NULL);
- /* Skip verify of deprecated_npc_regnum, invalid_p == 0 */
- if (gdbarch_debug >= 2)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_npc_regnum called\n");
- return gdbarch->deprecated_npc_regnum;
-}
-
-void
-set_gdbarch_deprecated_npc_regnum (struct gdbarch *gdbarch,
- int deprecated_npc_regnum)
-{
- gdbarch->deprecated_npc_regnum = deprecated_npc_regnum;
-}
-
int
gdbarch_stab_reg_to_regnum (struct gdbarch *gdbarch, int stab_regnr)
{
}
enum return_value_convention
-gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, const void *inval, void *outval)
+gdbarch_return_value (struct gdbarch *gdbarch, struct type *valtype, struct regcache *regcache, void *readbuf, const void *writebuf)
{
gdb_assert (gdbarch != NULL);
gdb_assert (gdbarch->return_value != NULL);
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_return_value called\n");
- return gdbarch->return_value (gdbarch, valtype, regcache, inval, outval);
+ return gdbarch->return_value (gdbarch, valtype, regcache, readbuf, writebuf);
}
void
gdbarch->extract_struct_value_address = extract_struct_value_address;
}
-int
-gdbarch_deprecated_extract_struct_value_address_p (struct gdbarch *gdbarch)
-{
- gdb_assert (gdbarch != NULL);
- return gdbarch->deprecated_extract_struct_value_address != NULL;
-}
-
-CORE_ADDR
-gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch, char *regbuf)
-{
- gdb_assert (gdbarch != NULL);
- gdb_assert (gdbarch->deprecated_extract_struct_value_address != NULL);
- if (gdbarch_debug >= 2)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_deprecated_extract_struct_value_address called\n");
- return gdbarch->deprecated_extract_struct_value_address (regbuf);
-}
-
-void
-set_gdbarch_deprecated_extract_struct_value_address (struct gdbarch *gdbarch,
- gdbarch_deprecated_extract_struct_value_address_ftype deprecated_extract_struct_value_address)
-{
- gdbarch->deprecated_extract_struct_value_address = deprecated_extract_struct_value_address;
-}
-
int
gdbarch_deprecated_frame_init_saved_regs_p (struct gdbarch *gdbarch)
{
gdbarch_decr_pc_after_break (struct gdbarch *gdbarch)
{
gdb_assert (gdbarch != NULL);
- /* Check variable changed from pre-default. */
- gdb_assert (gdbarch->decr_pc_after_break != -1);
+ /* Skip verify of decr_pc_after_break, invalid_p == 0 */
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_decr_pc_after_break called\n");
return gdbarch->decr_pc_after_break;
gdbarch_function_start_offset (struct gdbarch *gdbarch)
{
gdb_assert (gdbarch != NULL);
- /* Check variable changed from pre-default. */
- gdb_assert (gdbarch->function_start_offset != -1);
+ /* Skip verify of function_start_offset, invalid_p == 0 */
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_function_start_offset called\n");
return gdbarch->function_start_offset;
}
CORE_ADDR
-gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr)
+gdbarch_convert_from_func_ptr_addr (struct gdbarch *gdbarch, CORE_ADDR addr, struct target_ops *targ)
{
gdb_assert (gdbarch != NULL);
gdb_assert (gdbarch->convert_from_func_ptr_addr != NULL);
if (gdbarch_debug >= 2)
fprintf_unfiltered (gdb_stdlog, "gdbarch_convert_from_func_ptr_addr called\n");
- return gdbarch->convert_from_func_ptr_addr (addr);
+ return gdbarch->convert_from_func_ptr_addr (gdbarch, addr, targ);
}
void
gdbarch->skip_trampoline_code = skip_trampoline_code;
}
+CORE_ADDR
+gdbarch_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc)
+{
+ gdb_assert (gdbarch != NULL);
+ gdb_assert (gdbarch->skip_solib_resolver != NULL);
+ if (gdbarch_debug >= 2)
+ fprintf_unfiltered (gdb_stdlog, "gdbarch_skip_solib_resolver called\n");
+ return gdbarch->skip_solib_resolver (gdbarch, pc);
+}
+
+void
+set_gdbarch_skip_solib_resolver (struct gdbarch *gdbarch,
+ gdbarch_skip_solib_resolver_ftype skip_solib_resolver)
+{
+ gdbarch->skip_solib_resolver = skip_solib_resolver;
+}
+
int
gdbarch_in_solib_call_trampoline (struct gdbarch *gdbarch, CORE_ADDR pc, char *name)
{
}
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;
}
}
-/* Update the current architecture. Return ZERO if the update request
- failed. */
+/* Find an architecture that matches the specified INFO. Create a new
+ architecture if needed. Return that new architecture. Assumes
+ that there is no current architecture. */
-int
-gdbarch_update_p (struct gdbarch_info info)
+static struct gdbarch *
+find_arch_by_info (struct gdbarch *old_gdbarch, struct gdbarch_info info)
{
struct gdbarch *new_gdbarch;
- struct gdbarch *old_gdbarch;
struct gdbarch_registration *rego;
+ /* The existing architecture has been swapped out - all this code
+ works from a clean slate. */
+ gdb_assert (current_gdbarch == NULL);
+
/* 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;
+ sources: "set ..."; INFOabfd supplied; and the existing
+ architecture. */
+ gdbarch_info_fill (old_gdbarch, &info);
/* 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_arch_info %s\n",
+ "find_arch_by_info: 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",
+ "find_arch_by_info: info.byte_order %d (%s)\n",
info.byte_order,
(info.byte_order == BFD_ENDIAN_BIG ? "big"
: info.byte_order == BFD_ENDIAN_LITTLE ? "little"
: "default"));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.osabi %d (%s)\n",
+ "find_arch_by_info: info.osabi %d (%s)\n",
info.osabi, gdbarch_osabi_name (info.osabi));
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.abfd 0x%lx\n",
+ "find_arch_by_info: info.abfd 0x%lx\n",
(long) info.abfd);
fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: info.tdep_info 0x%lx\n",
+ "find_arch_by_info: info.tdep_info 0x%lx\n",
(long) info.tdep_info);
}
- /* Find the target that knows about this architecture. */
+ /* Find the tdep code that knows about this architecture. */
for (rego = gdbarch_registry;
rego != NULL;
rego = rego->next)
if (rego == NULL)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: No matching architecture\n");
+ fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ "No matching architecture\n");
return 0;
}
- /* 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);
-
- /* Save the previously selected architecture, setting the global to
- NULL. This stops ->init() trying to use the previous
- architecture's configuration. The previous architecture may not
- even be of the same architecture family. The most recent
- architecture of the same family is found at the head of the
- rego->arches list. */
- old_gdbarch = current_gdbarch;
- current_gdbarch = NULL;
-
- /* Ask the target for a replacement architecture. */
+ /* Ask the tdep code for an architecture that matches "info". */
new_gdbarch = rego->init (info, rego->arches);
- /* Did the target like it? No. Reject the change and revert to the
- old architecture. */
+ /* Did the tdep code like it? No. Reject the change and revert to
+ the old architecture. */
if (new_gdbarch == NULL)
{
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Target rejected architecture\n");
- swapin_gdbarch_swap (old_gdbarch);
- current_gdbarch = old_gdbarch;
- return 0;
+ fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ "Target rejected architecture\n");
+ return NULL;
}
- /* Did the architecture change? No. Oops, put the old architecture
- back. */
- if (old_gdbarch == new_gdbarch)
+ /* Is this a pre-existing architecture (as determined by already
+ being initialized)? Move it to the front of the architecture
+ list (keeping the list sorted Most Recently Used). */
+ if (new_gdbarch->initialized_p)
{
+ struct gdbarch_list **list;
+ struct gdbarch_list *this;
if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog, "gdbarch_update: Architecture 0x%08lx (%s) unchanged\n",
+ fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ "Previous architecture 0x%08lx (%s) selected\n",
(long) new_gdbarch,
new_gdbarch->bfd_arch_info->printable_name);
- swapin_gdbarch_swap (old_gdbarch);
- current_gdbarch = old_gdbarch;
- return 1;
+ /* Find the existing arch in the list. */
+ for (list = ®o->arches;
+ (*list) != NULL && (*list)->gdbarch != new_gdbarch;
+ list = &(*list)->next);
+ /* It had better be in the list of architectures. */
+ gdb_assert ((*list) != NULL && (*list)->gdbarch == new_gdbarch);
+ /* Unlink THIS. */
+ this = (*list);
+ (*list) = this->next;
+ /* Insert THIS at the front. */
+ this->next = rego->arches;
+ rego->arches = this;
+ /* Return it. */
+ return new_gdbarch;
}
- /* Is this a pre-existing architecture? Yes. Move it to the front
- of the list of architectures (keeping the list sorted Most
- Recently Used) and then copy it in. */
- {
- struct gdbarch_list **list;
- for (list = ®o->arches;
- (*list) != NULL;
- list = &(*list)->next)
- {
- if ((*list)->gdbarch == new_gdbarch)
- {
- struct gdbarch_list *this;
- if (gdbarch_debug)
- fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: Previous architecture 0x%08lx (%s) selected\n",
- (long) new_gdbarch,
- new_gdbarch->bfd_arch_info->printable_name);
- /* Unlink this. */
- this = (*list);
- (*list) = this->next;
- /* Insert in the front. */
- this->next = rego->arches;
- rego->arches = this;
- /* Copy the new architecture in. */
- current_gdbarch = new_gdbarch;
- swapin_gdbarch_swap (new_gdbarch);
- architecture_changed_event ();
- return 1;
- }
- }
- }
-
- /* Prepend this new architecture to the architecture list (keep the
- list sorted Most Recently Used). */
+ /* It's a new architecture. */
+ if (gdbarch_debug)
+ fprintf_unfiltered (gdb_stdlog, "find_arch_by_info: "
+ "New architecture 0x%08lx (%s) selected\n",
+ (long) new_gdbarch,
+ new_gdbarch->bfd_arch_info->printable_name);
+
+ /* Insert the new architecture into the front of the architecture
+ list (keep the list sorted Most Recently Used). */
{
struct gdbarch_list *this = XMALLOC (struct gdbarch_list);
this->next = rego->arches;
rego->arches = this;
}
- /* Switch to this new architecture marking it initialized. */
- current_gdbarch = new_gdbarch;
- current_gdbarch->initialized_p = 1;
- if (gdbarch_debug)
- {
- fprintf_unfiltered (gdb_stdlog,
- "gdbarch_update: New architecture 0x%08lx (%s) selected\n",
- (long) new_gdbarch,
- new_gdbarch->bfd_arch_info->printable_name);
- }
-
/* Check that the newly installed architecture is valid. Plug in
any post init values. */
new_gdbarch->dump_tdep = rego->dump_tdep;
verify_gdbarch (new_gdbarch);
+ new_gdbarch->initialized_p = 1;
- /* Initialize the per-architecture memory (swap) areas.
- CURRENT_GDBARCH must be update before these modules are
- called. */
- init_gdbarch_swap (new_gdbarch);
-
- /* Initialize the per-architecture data. CURRENT_GDBARCH
- must be updated before these modules are called. */
- architecture_changed_event ();
+ /* Initialize any per-architecture swap areas. This phase requires
+ a valid global CURRENT_GDBARCH. Set it momentarially, and then
+ swap the entire architecture out. */
+ current_gdbarch = new_gdbarch;
+ current_gdbarch_swap_init_hack ();
+ current_gdbarch_swap_out_hack ();
if (gdbarch_debug)
- gdbarch_dump (current_gdbarch, gdb_stdlog);
+ gdbarch_dump (new_gdbarch, gdb_stdlog);
- return 1;
+ return new_gdbarch;
}
+struct gdbarch *
+gdbarch_find_by_info (struct gdbarch_info info)
+{
+ /* Save the previously selected architecture, setting the global to
+ NULL. This stops things like gdbarch->init() trying to use the
+ previous architecture's configuration. The previous architecture
+ may not even be of the same architecture family. The most recent
+ architecture of the same family is found at the head of the
+ rego->arches list. */
+ struct gdbarch *old_gdbarch = current_gdbarch_swap_out_hack ();
+
+ /* Find the specified architecture. */
+ struct gdbarch *new_gdbarch = find_arch_by_info (old_gdbarch, info);
+
+ /* Restore the existing architecture. */
+ gdb_assert (current_gdbarch == NULL);
+ current_gdbarch_swap_in_hack (old_gdbarch);
+
+ return new_gdbarch;
+}
+
+/* Make the specified architecture current, swapping the existing one
+ out. */
+
+void
+deprecated_current_gdbarch_select_hack (struct gdbarch *new_gdbarch)
+{
+ gdb_assert (new_gdbarch != NULL);
+ gdb_assert (current_gdbarch != NULL);
+ gdb_assert (new_gdbarch->initialized_p);
+ current_gdbarch_swap_out_hack ();
+ current_gdbarch_swap_in_hack (new_gdbarch);
+ architecture_changed_event ();
+}
extern void _initialize_gdbarch (void);
projects / deliverable / binutils-gdb.git / blobdiff