| /* Dynamic architecture support for GDB, the GNU debugger. |
| |
| Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software |
| Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| |
| #include "arch-utils.h" |
| #include "buildsym.h" |
| #include "gdbcmd.h" |
| #include "inferior.h" /* enum CALL_DUMMY_LOCATION et.al. */ |
| #include "gdb_string.h" |
| #include "regcache.h" |
| #include "gdb_assert.h" |
| #include "sim-regno.h" |
| #include "gdbcore.h" |
| #include "osabi.h" |
| |
| #include "version.h" |
| |
| #include "floatformat.h" |
| |
| /* Implementation of extract return value that grubs around in the |
| register cache. */ |
| void |
| legacy_extract_return_value (struct type *type, struct regcache *regcache, |
| void *valbuf) |
| { |
| char *registers = deprecated_grub_regcache_for_registers (regcache); |
| bfd_byte *buf = valbuf; |
| DEPRECATED_EXTRACT_RETURN_VALUE (type, registers, buf); /* OK */ |
| } |
| |
| /* Implementation of store return value that grubs the register cache. |
| Takes a local copy of the buffer to avoid const problems. */ |
| void |
| legacy_store_return_value (struct type *type, struct regcache *regcache, |
| const void *buf) |
| { |
| bfd_byte *b = alloca (TYPE_LENGTH (type)); |
| gdb_assert (regcache == current_regcache); |
| memcpy (b, buf, TYPE_LENGTH (type)); |
| DEPRECATED_STORE_RETURN_VALUE (type, b); |
| } |
| |
| int |
| always_use_struct_convention (int gcc_p, struct type *value_type) |
| { |
| return 1; |
| } |
| |
| enum return_value_convention |
| legacy_return_value (struct gdbarch *gdbarch, struct type *valtype, |
| struct regcache *regcache, void *readbuf, |
| const void *writebuf) |
| { |
| /* NOTE: cagney/2004-06-13: The gcc_p parameter to |
| USE_STRUCT_CONVENTION isn't used. */ |
| int struct_return = ((TYPE_CODE (valtype) == TYPE_CODE_STRUCT |
| || TYPE_CODE (valtype) == TYPE_CODE_UNION |
| || TYPE_CODE (valtype) == TYPE_CODE_ARRAY) |
| && DEPRECATED_USE_STRUCT_CONVENTION (0, valtype)); |
| |
| if (writebuf != NULL) |
| { |
| gdb_assert (!struct_return); |
| /* NOTE: cagney/2004-06-13: See stack.c:return_command. Old |
| architectures don't expect STORE_RETURN_VALUE to handle small |
| structures. Should not be called with such types. */ |
| gdb_assert (TYPE_CODE (valtype) != TYPE_CODE_STRUCT |
| && TYPE_CODE (valtype) != TYPE_CODE_UNION); |
| STORE_RETURN_VALUE (valtype, regcache, writebuf); |
| } |
| |
| if (readbuf != NULL) |
| { |
| gdb_assert (!struct_return); |
| EXTRACT_RETURN_VALUE (valtype, regcache, readbuf); |
| } |
| |
| if (struct_return) |
| return RETURN_VALUE_STRUCT_CONVENTION; |
| else |
| return RETURN_VALUE_REGISTER_CONVENTION; |
| } |
| |
| int |
| legacy_register_sim_regno (int regnum) |
| { |
| /* Only makes sense to supply raw registers. */ |
| gdb_assert (regnum >= 0 && regnum < NUM_REGS); |
| /* NOTE: cagney/2002-05-13: The old code did it this way and it is |
| suspected that some GDB/SIM combinations may rely on this |
| behavour. The default should be one2one_register_sim_regno |
| (below). */ |
| if (REGISTER_NAME (regnum) != NULL |
| && REGISTER_NAME (regnum)[0] != '\0') |
| return regnum; |
| else |
| return LEGACY_SIM_REGNO_IGNORE; |
| } |
| |
| CORE_ADDR |
| generic_skip_trampoline_code (CORE_ADDR pc) |
| { |
| return 0; |
| } |
| |
| CORE_ADDR |
| generic_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc) |
| { |
| return 0; |
| } |
| |
| int |
| generic_in_solib_call_trampoline (CORE_ADDR pc, char *name) |
| { |
| return 0; |
| } |
| |
| int |
| generic_in_solib_return_trampoline (CORE_ADDR pc, char *name) |
| { |
| return 0; |
| } |
| |
| int |
| generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc) |
| { |
| return 0; |
| } |
| |
| void |
| generic_remote_translate_xfer_address (struct gdbarch *gdbarch, |
| struct regcache *regcache, |
| CORE_ADDR gdb_addr, int gdb_len, |
| CORE_ADDR * rem_addr, int *rem_len) |
| { |
| *rem_addr = gdb_addr; |
| *rem_len = gdb_len; |
| } |
| |
| /* Helper functions for INNER_THAN */ |
| |
| int |
| core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs) |
| { |
| return (lhs < rhs); |
| } |
| |
| int |
| core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs) |
| { |
| return (lhs > rhs); |
| } |
| |
| |
| /* Helper functions for TARGET_{FLOAT,DOUBLE}_FORMAT */ |
| |
| const struct floatformat * |
| default_float_format (struct gdbarch *gdbarch) |
| { |
| int byte_order = gdbarch_byte_order (gdbarch); |
| switch (byte_order) |
| { |
| case BFD_ENDIAN_BIG: |
| return &floatformat_ieee_single_big; |
| case BFD_ENDIAN_LITTLE: |
| return &floatformat_ieee_single_little; |
| default: |
| internal_error (__FILE__, __LINE__, |
| "default_float_format: bad byte order"); |
| } |
| } |
| |
| |
| const struct floatformat * |
| default_double_format (struct gdbarch *gdbarch) |
| { |
| int byte_order = gdbarch_byte_order (gdbarch); |
| switch (byte_order) |
| { |
| case BFD_ENDIAN_BIG: |
| return &floatformat_ieee_double_big; |
| case BFD_ENDIAN_LITTLE: |
| return &floatformat_ieee_double_little; |
| default: |
| internal_error (__FILE__, __LINE__, |
| "default_double_format: bad byte order"); |
| } |
| } |
| |
| /* Misc helper functions for targets. */ |
| |
| CORE_ADDR |
| core_addr_identity (CORE_ADDR addr) |
| { |
| return addr; |
| } |
| |
| CORE_ADDR |
| convert_from_func_ptr_addr_identity (struct gdbarch *gdbarch, CORE_ADDR addr, |
| struct target_ops *targ) |
| { |
| return addr; |
| } |
| |
| int |
| no_op_reg_to_regnum (int reg) |
| { |
| return reg; |
| } |
| |
| void |
| default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym) |
| { |
| return; |
| } |
| |
| void |
| default_coff_make_msymbol_special (int val, struct minimal_symbol *msym) |
| { |
| return; |
| } |
| |
| int |
| cannot_register_not (int regnum) |
| { |
| return 0; |
| } |
| |
| /* Legacy version of target_virtual_frame_pointer(). Assumes that |
| there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or |
| raw. */ |
| |
| void |
| legacy_virtual_frame_pointer (CORE_ADDR pc, |
| int *frame_regnum, |
| LONGEST *frame_offset) |
| { |
| /* FIXME: cagney/2002-09-13: This code is used when identifying the |
| frame pointer of the current PC. It is assuming that a single |
| register and an offset can determine this. I think it should |
| instead generate a byte code expression as that would work better |
| with things like Dwarf2's CFI. */ |
| if (DEPRECATED_FP_REGNUM >= 0 && DEPRECATED_FP_REGNUM < NUM_REGS) |
| *frame_regnum = DEPRECATED_FP_REGNUM; |
| else if (SP_REGNUM >= 0 && SP_REGNUM < NUM_REGS) |
| *frame_regnum = SP_REGNUM; |
| else |
| /* Should this be an internal error? I guess so, it is reflecting |
| an architectural limitation in the current design. */ |
| internal_error (__FILE__, __LINE__, "No virtual frame pointer available"); |
| *frame_offset = 0; |
| } |
| |
| /* Assume the world is sane, every register's virtual and real size |
| is identical. */ |
| |
| int |
| generic_register_size (int regnum) |
| { |
| gdb_assert (regnum >= 0 && regnum < NUM_REGS + NUM_PSEUDO_REGS); |
| return TYPE_LENGTH (gdbarch_register_type (current_gdbarch, regnum)); |
| } |
| |
| /* Assume all registers are adjacent. */ |
| |
| int |
| generic_register_byte (int regnum) |
| { |
| int byte; |
| int i; |
| gdb_assert (regnum >= 0 && regnum < NUM_REGS + NUM_PSEUDO_REGS); |
| byte = 0; |
| for (i = 0; i < regnum; i++) |
| { |
| byte += generic_register_size (i); |
| } |
| return byte; |
| } |
| |
| |
| int |
| legacy_pc_in_sigtramp (CORE_ADDR pc, char *name) |
| { |
| #if defined (DEPRECATED_IN_SIGTRAMP) |
| return DEPRECATED_IN_SIGTRAMP (pc, name); |
| #else |
| return name && strcmp ("_sigtramp", name) == 0; |
| #endif |
| } |
| |
| int |
| generic_convert_register_p (int regnum, struct type *type) |
| { |
| return 0; |
| } |
| |
| int |
| default_stabs_argument_has_addr (struct gdbarch *gdbarch, struct type *type) |
| { |
| if (DEPRECATED_REG_STRUCT_HAS_ADDR_P () |
| && DEPRECATED_REG_STRUCT_HAS_ADDR (processing_gcc_compilation, type)) |
| { |
| CHECK_TYPEDEF (type); |
| |
| return (TYPE_CODE (type) == TYPE_CODE_STRUCT |
| || TYPE_CODE (type) == TYPE_CODE_UNION |
| || TYPE_CODE (type) == TYPE_CODE_SET |
| || TYPE_CODE (type) == TYPE_CODE_BITSTRING); |
| } |
| |
| return 0; |
| } |
| |
| |
| /* Functions to manipulate the endianness of the target. */ |
| |
| /* ``target_byte_order'' is only used when non- multi-arch. |
| Multi-arch targets obtain the current byte order using the |
| TARGET_BYTE_ORDER gdbarch method. |
| |
| The choice of initial value is entirely arbitrary. During startup, |
| the function initialize_current_architecture() updates this value |
| based on default byte-order information extracted from BFD. */ |
| static int target_byte_order = BFD_ENDIAN_BIG; |
| static int target_byte_order_auto = 1; |
| |
| enum bfd_endian |
| selected_byte_order (void) |
| { |
| if (target_byte_order_auto) |
| return BFD_ENDIAN_UNKNOWN; |
| else |
| return target_byte_order; |
| } |
| |
| static const char endian_big[] = "big"; |
| static const char endian_little[] = "little"; |
| static const char endian_auto[] = "auto"; |
| static const char *endian_enum[] = |
| { |
| endian_big, |
| endian_little, |
| endian_auto, |
| NULL, |
| }; |
| static const char *set_endian_string; |
| |
| /* Called by ``show endian''. */ |
| |
| static void |
| show_endian (char *args, int from_tty) |
| { |
| if (target_byte_order_auto) |
| printf_unfiltered ("The target endianness is set automatically (currently %s endian)\n", |
| (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? "big" : "little")); |
| else |
| printf_unfiltered ("The target is assumed to be %s endian\n", |
| (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG ? "big" : "little")); |
| } |
| |
| static void |
| set_endian (char *ignore_args, int from_tty, struct cmd_list_element *c) |
| { |
| if (set_endian_string == endian_auto) |
| { |
| target_byte_order_auto = 1; |
| } |
| else if (set_endian_string == endian_little) |
| { |
| struct gdbarch_info info; |
| target_byte_order_auto = 0; |
| gdbarch_info_init (&info); |
| info.byte_order = BFD_ENDIAN_LITTLE; |
| if (! gdbarch_update_p (info)) |
| printf_unfiltered ("Little endian target not supported by GDB\n"); |
| } |
| else if (set_endian_string == endian_big) |
| { |
| struct gdbarch_info info; |
| target_byte_order_auto = 0; |
| gdbarch_info_init (&info); |
| info.byte_order = BFD_ENDIAN_BIG; |
| if (! gdbarch_update_p (info)) |
| printf_unfiltered ("Big endian target not supported by GDB\n"); |
| } |
| else |
| internal_error (__FILE__, __LINE__, |
| "set_endian: bad value"); |
| show_endian (NULL, from_tty); |
| } |
| |
| /* Functions to manipulate the architecture of the target */ |
| |
| enum set_arch { set_arch_auto, set_arch_manual }; |
| |
| static int target_architecture_auto = 1; |
| |
| static const char *set_architecture_string; |
| |
| const char * |
| selected_architecture_name (void) |
| { |
| if (target_architecture_auto) |
| return NULL; |
| else |
| return set_architecture_string; |
| } |
| |
| /* Called if the user enters ``show architecture'' without an |
| argument. */ |
| |
| static void |
| show_architecture (char *args, int from_tty) |
| { |
| const char *arch; |
| arch = TARGET_ARCHITECTURE->printable_name; |
| if (target_architecture_auto) |
| printf_filtered ("The target architecture is set automatically (currently %s)\n", arch); |
| else |
| printf_filtered ("The target architecture is assumed to be %s\n", arch); |
| } |
| |
| |
| /* Called if the user enters ``set architecture'' with or without an |
| argument. */ |
| |
| static void |
| set_architecture (char *ignore_args, int from_tty, struct cmd_list_element *c) |
| { |
| if (strcmp (set_architecture_string, "auto") == 0) |
| { |
| target_architecture_auto = 1; |
| } |
| else |
| { |
| struct gdbarch_info info; |
| gdbarch_info_init (&info); |
| info.bfd_arch_info = bfd_scan_arch (set_architecture_string); |
| if (info.bfd_arch_info == NULL) |
| internal_error (__FILE__, __LINE__, |
| "set_architecture: bfd_scan_arch failed"); |
| if (gdbarch_update_p (info)) |
| target_architecture_auto = 0; |
| else |
| printf_unfiltered ("Architecture `%s' not recognized.\n", |
| set_architecture_string); |
| } |
| show_architecture (NULL, from_tty); |
| } |
| |
| /* Try to select a global architecture that matches "info". Return |
| non-zero if the attempt succeds. */ |
| int |
| gdbarch_update_p (struct gdbarch_info info) |
| { |
| struct gdbarch *new_gdbarch = gdbarch_find_by_info (info); |
| |
| /* If there no architecture by that name, reject the request. */ |
| if (new_gdbarch == NULL) |
| { |
| if (gdbarch_debug) |
| fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: " |
| "Architecture not found\n"); |
| return 0; |
| } |
| |
| /* If it is the same old architecture, accept the request (but don't |
| swap anything). */ |
| if (new_gdbarch == current_gdbarch) |
| { |
| if (gdbarch_debug) |
| fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: " |
| "Architecture 0x%08lx (%s) unchanged\n", |
| (long) new_gdbarch, |
| gdbarch_bfd_arch_info (new_gdbarch)->printable_name); |
| return 1; |
| } |
| |
| /* It's a new architecture, swap it in. */ |
| if (gdbarch_debug) |
| fprintf_unfiltered (gdb_stdlog, "gdbarch_update_p: " |
| "New architecture 0x%08lx (%s) selected\n", |
| (long) new_gdbarch, |
| gdbarch_bfd_arch_info (new_gdbarch)->printable_name); |
| deprecated_current_gdbarch_select_hack (new_gdbarch); |
| |
| return 1; |
| } |
| |
| /* Return the architecture for ABFD. If no suitable architecture |
| could be find, return NULL. */ |
| |
| struct gdbarch * |
| gdbarch_from_bfd (bfd *abfd) |
| { |
| struct gdbarch *old_gdbarch = current_gdbarch; |
| struct gdbarch *new_gdbarch; |
| struct gdbarch_info info; |
| |
| gdbarch_info_init (&info); |
| info.abfd = abfd; |
| return gdbarch_find_by_info (info); |
| } |
| |
| /* Set the dynamic target-system-dependent parameters (architecture, |
| byte-order) using information found in the BFD */ |
| |
| void |
| set_gdbarch_from_file (bfd *abfd) |
| { |
| struct gdbarch *gdbarch; |
| |
| gdbarch = gdbarch_from_bfd (abfd); |
| if (gdbarch == NULL) |
| error ("Architecture of file not recognized.\n"); |
| deprecated_current_gdbarch_select_hack (gdbarch); |
| } |
| |
| /* Initialize the current architecture. Update the ``set |
| architecture'' command so that it specifies a list of valid |
| architectures. */ |
| |
| #ifdef DEFAULT_BFD_ARCH |
| extern const bfd_arch_info_type DEFAULT_BFD_ARCH; |
| static const bfd_arch_info_type *default_bfd_arch = &DEFAULT_BFD_ARCH; |
| #else |
| static const bfd_arch_info_type *default_bfd_arch; |
| #endif |
| |
| #ifdef DEFAULT_BFD_VEC |
| extern const bfd_target DEFAULT_BFD_VEC; |
| static const bfd_target *default_bfd_vec = &DEFAULT_BFD_VEC; |
| #else |
| static const bfd_target *default_bfd_vec; |
| #endif |
| |
| void |
| initialize_current_architecture (void) |
| { |
| const char **arches = gdbarch_printable_names (); |
| |
| /* determine a default architecture and byte order. */ |
| struct gdbarch_info info; |
| gdbarch_info_init (&info); |
| |
| /* Find a default architecture. */ |
| if (info.bfd_arch_info == NULL |
| && default_bfd_arch != NULL) |
| info.bfd_arch_info = default_bfd_arch; |
| if (info.bfd_arch_info == NULL) |
| { |
| /* Choose the architecture by taking the first one |
| alphabetically. */ |
| const char *chosen = arches[0]; |
| const char **arch; |
| for (arch = arches; *arch != NULL; arch++) |
| { |
| if (strcmp (*arch, chosen) < 0) |
| chosen = *arch; |
| } |
| if (chosen == NULL) |
| internal_error (__FILE__, __LINE__, |
| "initialize_current_architecture: No arch"); |
| info.bfd_arch_info = bfd_scan_arch (chosen); |
| if (info.bfd_arch_info == NULL) |
| internal_error (__FILE__, __LINE__, |
| "initialize_current_architecture: Arch not found"); |
| } |
| |
| /* Take several guesses at a byte order. */ |
| if (info.byte_order == BFD_ENDIAN_UNKNOWN |
| && default_bfd_vec != NULL) |
| { |
| /* Extract BFD's default vector's byte order. */ |
| switch (default_bfd_vec->byteorder) |
| { |
| case BFD_ENDIAN_BIG: |
| info.byte_order = BFD_ENDIAN_BIG; |
| break; |
| case BFD_ENDIAN_LITTLE: |
| info.byte_order = BFD_ENDIAN_LITTLE; |
| break; |
| default: |
| break; |
| } |
| } |
| if (info.byte_order == BFD_ENDIAN_UNKNOWN) |
| { |
| /* look for ``*el-*'' in the target name. */ |
| const char *chp; |
| chp = strchr (target_name, '-'); |
| if (chp != NULL |
| && chp - 2 >= target_name |
| && strncmp (chp - 2, "el", 2) == 0) |
| info.byte_order = BFD_ENDIAN_LITTLE; |
| } |
| if (info.byte_order == BFD_ENDIAN_UNKNOWN) |
| { |
| /* Wire it to big-endian!!! */ |
| info.byte_order = BFD_ENDIAN_BIG; |
| } |
| |
| if (! gdbarch_update_p (info)) |
| internal_error (__FILE__, __LINE__, |
| "initialize_current_architecture: Selection of initial architecture failed"); |
| |
| /* Create the ``set architecture'' command appending ``auto'' to the |
| list of architectures. */ |
| { |
| struct cmd_list_element *c; |
| /* Append ``auto''. */ |
| int nr; |
| for (nr = 0; arches[nr] != NULL; nr++); |
| arches = xrealloc (arches, sizeof (char*) * (nr + 2)); |
| arches[nr + 0] = "auto"; |
| arches[nr + 1] = NULL; |
| /* FIXME: add_set_enum_cmd() uses an array of ``char *'' instead |
| of ``const char *''. We just happen to know that the casts are |
| safe. */ |
| c = add_set_enum_cmd ("architecture", class_support, |
| arches, &set_architecture_string, |
| "Set architecture of target.", |
| &setlist); |
| set_cmd_sfunc (c, set_architecture); |
| add_alias_cmd ("processor", "architecture", class_support, 1, &setlist); |
| /* Don't use set_from_show - need to print both auto/manual and |
| current setting. */ |
| add_cmd ("architecture", class_support, show_architecture, |
| "Show the current target architecture", &showlist); |
| } |
| } |
| |
| |
| /* Initialize a gdbarch info to values that will be automatically |
| overridden. Note: Originally, this ``struct info'' was initialized |
| using memset(0). Unfortunately, that ran into problems, namely |
| BFD_ENDIAN_BIG is zero. An explicit initialization function that |
| can explicitly set each field to a well defined value is used. */ |
| |
| void |
| gdbarch_info_init (struct gdbarch_info *info) |
| { |
| memset (info, 0, sizeof (struct gdbarch_info)); |
| info->byte_order = BFD_ENDIAN_UNKNOWN; |
| info->osabi = GDB_OSABI_UNINITIALIZED; |
| } |
| |
| /* Similar to init, but this time fill in the blanks. Information is |
| obtained from the specified architecture, global "set ..." options, |
| and explicitly initialized INFO fields. */ |
| |
| void |
| gdbarch_info_fill (struct gdbarch *gdbarch, struct gdbarch_info *info) |
| { |
| /* "(gdb) set architecture ...". */ |
| if (info->bfd_arch_info == NULL |
| && !target_architecture_auto |
| && gdbarch != NULL) |
| info->bfd_arch_info = gdbarch_bfd_arch_info (gdbarch); |
| 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 |
| && gdbarch != NULL) |
| info->bfd_arch_info = gdbarch_bfd_arch_info (gdbarch); |
| |
| /* "(gdb) set byte-order ...". */ |
| if (info->byte_order == BFD_ENDIAN_UNKNOWN |
| && !target_byte_order_auto |
| && gdbarch != NULL) |
| info->byte_order = gdbarch_byte_order (gdbarch); |
| /* 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 |
| && gdbarch != NULL) |
| info->byte_order = gdbarch_byte_order (gdbarch); |
| |
| /* "(gdb) set osabi ...". Handled by gdbarch_lookup_osabi. */ |
| if (info->osabi == GDB_OSABI_UNINITIALIZED) |
| info->osabi = gdbarch_lookup_osabi (info->abfd); |
| if (info->osabi == GDB_OSABI_UNINITIALIZED |
| && gdbarch != NULL) |
| info->osabi = gdbarch_osabi (gdbarch); |
| |
| /* Must have at least filled in the architecture. */ |
| gdb_assert (info->bfd_arch_info != NULL); |
| } |
| |
| /* */ |
| |
| extern initialize_file_ftype _initialize_gdbarch_utils; /* -Wmissing-prototypes */ |
| |
| void |
| _initialize_gdbarch_utils (void) |
| { |
| struct cmd_list_element *c; |
| c = add_set_enum_cmd ("endian", class_support, |
| endian_enum, &set_endian_string, |
| "Set endianness of target.", |
| &setlist); |
| set_cmd_sfunc (c, set_endian); |
| /* Don't use set_from_show - need to print both auto/manual and |
| current setting. */ |
| add_cmd ("endian", class_support, show_endian, |
| "Show the current byte-order", &showlist); |
| } |