2000-04-03 00:00:32 +00:00
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/* Dynamic architecture support for GDB, the GNU debugger.
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2002-04-24 16:28:16 +00:00
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2007-01-09 17:59:20 +00:00
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Copyright (C) 1998, 1999, 2000, 2002, 2003, 2004, 2007
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Free Software Foundation, Inc.
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2000-04-03 00:00:32 +00:00
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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2005-12-17 22:34:03 +00:00
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Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA. */
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2000-04-03 00:00:32 +00:00
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#ifndef GDBARCH_UTILS_H
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#define GDBARCH_UTILS_H
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2003-04-12 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh: Add missing opaque declarations.
* gdbarch.h: Regnerate.
* symtab.h: Add missing opaque declarations.
* value.h, target.h, symfile.h, stabsread.h: Ditto.
* x86-64-tdep.h, xmodem.h, monitor.h, typeprint.h: Ditto.
* srec.h, solib-svr4.h, source.h, inferior.h: Ditto.
* ser-unix.h, serial.h, remote-utils.h, gdbcore.h: Ditto.
* ppc-tdep.h, ocd.h, mips-tdep.h, gdbtypes.h: Ditto.
* buildsym.h, builtin-regs.h, linespec.h, language.h: Ditto.
* i387-tdep.h, gdbthread.h, event-top.h, gdb.h: Ditto.
* dwarf2cfi.h, doublest.h, disasm.h, cp-abi.h: Ditto.
* cli-out.h, c-lang.h, ax-gdb.h, arch-utils.h: Ditto.
* ada-lang.h, config/nm-lynx.h, config/nm-linux.h: Ditto.
* config/sparc/tm-sp64.h, config/rs6000/tm-rs6000.h: Ditto.
* config/pa/tm-hppah.h, config/m68k/tm-delta68.h: Ditto.
* cli/cli-setshow.h, cli/cli-script.h: Ditto.
2003-04-12 17:41:26 +00:00
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struct gdbarch;
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struct frame_info;
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struct minimal_symbol;
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struct type;
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struct gdbarch_info;
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2000-04-03 00:00:32 +00:00
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/* gdbarch trace variable */
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extern int gdbarch_debug;
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2004-06-20 18:10:14 +00:00
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/* An implementation of return_value that props up architectures still
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2007-06-18 18:28:29 +00:00
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using USE_STRUCT_RETURN, gdbarch_extract_return_value and
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store_return_value. See also the hacks in "stack.c". */
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2004-06-20 18:10:14 +00:00
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enum return_value_convention legacy_return_value (struct gdbarch *gdbarch,
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struct type *valtype,
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struct regcache *regcache,
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2005-05-14 06:07:42 +00:00
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gdb_byte *readbuf,
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const gdb_byte *writebuf);
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2004-06-20 18:10:14 +00:00
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2003-06-12 23:25:37 +00:00
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/* To return any structure or union type by value, store it at the
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address passed as an invisible first argument to the function. */
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2004-06-20 17:18:07 +00:00
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extern gdbarch_deprecated_use_struct_convention_ftype always_use_struct_convention;
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2003-06-12 23:25:37 +00:00
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2000-05-15 03:56:30 +00:00
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/* The only possible cases for inner_than. */
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extern int core_addr_lessthan (CORE_ADDR lhs, CORE_ADDR rhs);
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extern int core_addr_greaterthan (CORE_ADDR lhs, CORE_ADDR rhs);
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2003-10-22 23:54:11 +00:00
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/* Identity functions on a CORE_ADDR. Just return the "addr". */
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2000-10-26 07:41:25 +00:00
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2001-06-15 22:10:21 +00:00
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extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
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2003-10-22 23:54:11 +00:00
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extern gdbarch_convert_from_func_ptr_addr_ftype convert_from_func_ptr_addr_identity;
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2000-10-26 07:41:25 +00:00
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2000-12-04 04:01:16 +00:00
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/* No-op conversion of reg to regnum. */
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extern int no_op_reg_to_regnum (int reg);
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2002-02-06 01:20:23 +00:00
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/* Do nothing version of elf_make_msymbol_special. */
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void default_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym);
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/* Do nothing version of coff_make_msymbol_special. */
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void default_coff_make_msymbol_special (int val, struct minimal_symbol *msym);
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2001-06-15 23:50:46 +00:00
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/* Version of cannot_fetch_register() / cannot_store_register() that
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always fails. */
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int cannot_register_not (int regnum);
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2001-08-11 00:59:29 +00:00
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/* Legacy version of target_virtual_frame_pointer(). Assumes that
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2003-04-28 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (DEPRECATED_TARGET_READ_FP): Replace TARGET_READ_FP.
(DEPRECATED_FP_REGNUM): Replace FP_REGNUM.
* gdbarch.h, gdbarch.c: Re-generate.
* infcall.c (call_function_by_hand): Use DEPRECATED_FP_REGNUM,
DEPRECATED_TARGET_READ_FP, or "sp" to create the dummy frame ID.
* inferior.h (deprecated_read_fp): Rename read_fp.
(generic_target_read_fp): Delete declaration.
* regcache.c (generic_target_read_fp): Delete function.
(deprecated_read_fp): Replace read_fp, use
DEPRECATED_TARGET_READ_FP or DEPRECATED_FP_REGNUM.
* d10v-tdep.c (d10v_read_fp): Delete function.
(d10v_gdbarch_init): Do not set deprecated_read_fp.
* sparc-tdep.c (sparc_gdbarch_init): Do not set
deprecated_target_read_fp to generic_target_read_fp.
* sh-tdep.c (sh_gdbarch_init): Ditto.
* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
* frv-tdep.c (frv_gdbarch_init): Ditto.
* xstormy16-tdep.c (xstormy16_gdbarch_init): Set
deprecated_fp_regnum.
* x86-64-tdep.c (x86_64_init_abi): Ditto.
* vax-tdep.c (vax_gdbarch_init): Ditto.
* v850-tdep.c (v850_gdbarch_init): Ditto.
* sparc-tdep.c (sparc_gdbarch_init): Ditto.
* sh-tdep.c (sh_gdbarch_init): Ditto.
* s390-tdep.c (s390_gdbarch_init): Ditto.
* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
* mcore-tdep.c (mcore_gdbarch_init): Ditto.
* m68k-tdep.c (m68k_gdbarch_init): Ditto.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
* ia64-tdep.c (ia64_gdbarch_init): Ditto.
* i386-tdep.c (i386_gdbarch_init): Ditto.
* hppa-tdep.c (hppa_gdbarch_init): Ditto.
* h8300-tdep.c (h8300_gdbarch_init): Ditto.
* frv-tdep.c (frv_gdbarch_init): Ditto.
* cris-tdep.c (cris_gdbarch_init): Ditto.
* avr-tdep.c (avr_gdbarch_init): Ditto.
* arm-tdep.c (arm_gdbarch_init): Ditto.
* alpha-tdep.c (alpha_gdbarch_init): Ditto.
* x86-64-tdep.c (x86_64_init_abi): Set deprecated_target_read_fp.
* v850-tdep.c (v850_gdbarch_init): Ditto.
* sparc-tdep.c (sparc_gdbarch_init): Ditto.
* sh-tdep.c (sh_gdbarch_init): Ditto.
* s390-tdep.c (s390_gdbarch_init): Ditto.
* rs6000-tdep.c (rs6000_gdbarch_init): Ditto.
* mn10300-tdep.c (mn10300_gdbarch_init): Ditto.
* mips-tdep.c (mips_gdbarch_init): Ditto.
* m68hc11-tdep.c (m68hc11_gdbarch_init): Ditto.
* ia64-tdep.c (ia64_gdbarch_init): Ditto.
* hppa-tdep.c (hppa_gdbarch_init): Ditto.
* frv-tdep.c (frv_gdbarch_init): Ditto.
* avr-tdep.c (avr_gdbarch_init): Ditto.
* arm-tdep.c (arm_gdbarch_init): Ditto.
* vax-tdep.c (vax_frame_init_saved_regs): Replace FP_REGNUM with
DEPRECATED_FP_REGNUM.
(vax_push_dummy_frame, vax_pop_frame): Ditto.
* std-regs.c (value_of_builtin_frame_fp_reg): Ditto.
* sparc-tdep.c (sparc_init_extra_frame_info): Ditto.
(sparc_push_dummy_frame, sparc64_read_fp): Ditto.
(sparc32_register_virtual_type): Ditto.
* sh-tdep.c (sh64_frame_chain): Ditto.
(sh64_get_saved_register, sh64_pop_frame): Ditto.
(sh_nofp_frame_init_saved_regs): Ditto.
(sh64_nofp_frame_init_saved_regs): Ditto.
(sh_fp_frame_init_saved_regs): Ditto.
* remote-mips.c (mips_wait, mips_fetch_registers): Ditto.
* remote-e7000.c (fetch_regs_from_dump): Ditto.
* procfs.c (procfs_fetch_registers): Ditto.
(procfs_store_registers): Ditto.
* ns32knbsd-nat.c (fetch_inferior_registers): Ditto.
(store_inferior_registers, fetch_core_registers): Ditto.
(fetch_kcore_registers, clear_regs): Ditto.
* ns32k-tdep.c (ns32k_frame_init_saved_regs): Ditto.
(ns32k_push_dummy_frame, ns32k_pop_frame): Ditto.
* nlm/i386.h (DEPRECATED_FP_REGNUM): Ditto.
* nlm/i386.c (do_status): Ditto.
* mipsv4-nat.c (supply_gregset): Ditto.
* mips-tdep.c: Ditto for comments.
* mips-nat.c (fetch_inferior_registers): Ditto.
(store_inferior_registers, fetch_core_registers): Ditto.
* m68k-tdep.c (m68k_push_dummy_frame): Ditto.
(m68k_pop_frame, m68k_frame_init_saved_regs): Ditto.
* i386-tdep.c (i386_frame_init_saved_regs): Ditto.
(i386_do_pop_frame, i386_register_type): Ditto.
* hppa-tdep.c (hppa_frame_chain): Ditto.
(hppa_push_dummy_frame, find_dummy_frame_regs): Ditto.
(hppa_pop_frame, hppa_read_fp): Ditto.
(skip_prologue_hard_way, hppa_frame_find_saved_regs): Ditto.
* cris-tdep.c (cris_examine, cris_pop_frame): Ditto.
* config/vax/nm-vax.h (REGISTER_U_ADDR): Ditto.
* config/sparc/tm-sparc.h (DEPRECATED_FP_REGNUM): Ditto.
* config/sparc/tm-sp64.h (DEPRECATED_FP_REGNUM): Ditto.
* config/s390/tm-s390.h (DEPRECATED_FP_REGNUM): Ditto.
* config/pa/tm-hppa64.h (DEPRECATED_FP_REGNUM): Ditto.
* config/ia64/tm-ia64.h (DEPRECATED_FP_REGNUM): Ditto.
* blockframe.c: Ditto for comments.
* arch-utils.h: Ditto for comments.
* arch-utils.c (legacy_virtual_frame_pointer): Ditto.
* alphanbsd-tdep.c (fetch_core_registers): Ditto.
* alphabsd-nat.c (fetch_inferior_registers): Ditto.
* alpha-tdep.h: Ditto for comments.
* alpha-tdep.c (alpha_cannot_fetch_register): Ditto.
(alpha_cannot_store_register): Ditto.
(alpha_push_dummy_frame): Ditto.
* alpha-nat.c (supply_gregset): Ditto.
* config/sparc/tm-sp64.h (DEPRECATED_TARGET_READ_FP): Update.
* config/pa/tm-hppa64.h (DEPRECATED_TARGET_READ_FP): Update.
* config/sparc/tm-sparc.h: Update comment.
* hppa-tdep.c (hppa_init_extra_frame_info): Use
deprecated_read_fp instead of TARGET_READ_FP.
(hppa_init_extra_frame_info, hppa_frame_chain): Ditto.
(hppa_push_dummy_frame, hppa_read_fp): Ditto.
* sparc-tdep.c (sparc_init_extra_frame_info): Use
deprecated_read_fp instead of read_fp.
* s390-tdep.c (s390_push_arguments): Ditto.
* ia64-tdep.c (ia64_gdbarch_init): Ditto.
* frame.h: Ditto in comments.
* frame.c (legacy_get_prev_frame): Ditto.
* dummy-frame.c (dummy_frame_this_id): Ditto.
* arm-tdep.c (arm_init_extra_frame_info): Ditto.
2003-04-28 Andrew Cagney <cagney@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Replace
read_fp, TARGET_READ_FP and FP_REGNUM, with deprecated_read_fp,
DEPRECATED_TARGET_READ_FP and DEPRECATED_REGNUM.
2003-04-29 01:49:49 +00:00
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there is an DEPRECATED_FP_REGNUM and that it is the same, cooked or
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raw. */
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2001-08-11 00:59:29 +00:00
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extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
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2007-06-15 22:39:52 +00:00
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extern CORE_ADDR generic_skip_trampoline_code (struct frame_info *frame,
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CORE_ADDR pc);
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2001-08-15 15:29:56 +00:00
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2003-11-14 21:22:42 +00:00
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extern CORE_ADDR generic_skip_solib_resolver (struct gdbarch *gdbarch,
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CORE_ADDR pc);
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2003-11-09 12:07:16 +00:00
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2002-08-20 23:01:29 +00:00
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extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
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2001-11-06 11:02:12 +00:00
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extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
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2004-06-09 21:26:48 +00:00
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/* By default, registers are not convertible. */
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extern int generic_convert_register_p (int regnum, struct type *type);
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2002-05-12 03:09:12 +00:00
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2003-09-17 19:48:42 +00:00
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extern int default_stabs_argument_has_addr (struct gdbarch *gdbarch,
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struct type *type);
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2004-11-23 21:05:23 +00:00
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extern int generic_instruction_nullified (struct gdbarch *gdbarch,
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struct regcache *regcache);
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* Makefile.in (arm-tdep.o, eval.o, target-descriptions.o)
(xml-tdesc.o): Update.
* xml-support.c: Add a comment.
(gdb_xml_enums_boolean): New variable.
(gdb_xml_parse_attr_enum): Use strcasecmp.
* xml-support.h (gdb_xml_enums_boolean): Declare.
* xml-tdesc.c (struct tdesc_parsing_data): Record current_feature,
next_regnum, and current_union.
(tdesc_start_feature, tdesc_start_reg, tdesc_start_union)
(tdesc_end_union, tdesc_start_field, tdesc_start_vector)
(field_attributes, union_children, reg_attributes, union_attributes)
(vector_attributes, feature_attributes, feature_children): New.
(target_children): Make static. Add <feature>.
(tdesc_elements): Make static.
* target-descriptions.c (struct tdesc_reg, tdesc_reg_p, type_p)
(struct tdesc_feature, tdesc_feature_p): New types.
(struct target_desc): Add features member.
(struct tdesc_arch_data, tdesc_data): New.
(target_find_description): Clarify error message. Warn about
ignored register descriptions.
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_data_init, tdesc_data_alloc)
(tdesc_data_cleanup, tdesc_numbered_register)
(tdesc_numbered_register_choices, tdesc_find_register)
(tdesc_register_name, tdesc_register_type)
(tdesc_remote_register_number, tdesc_register_reggroup_p)
(set_tdesc_pseudo_register_name, set_tdesc_pseudo_register_type)
(set_tdesc_pseudo_register_reggroup_p, tdesc_use_registers)
(tdesc_free_reg, tdesc_create_reg, tdesc_free_feature)
(tdesc_create_feature, tdesc_record_type): New.
(free_target_description): Free features.
(_initialize_target_descriptions): Initialize tdesc_data.
* arch-utils.c (default_remote_register_number): New.
* arch-utils.h (default_remote_register_number): New prototype.
* target-descriptions.h (set_tdesc_pseudo_register_name)
(set_tdesc_pseudo_register_type, set_tdesc_pseudo_register_reggroup_p)
(tdesc_use_registers, tdesc_data_alloc, tdesc_data_cleanup)
(tdesc_numbered_register, tdesc_numbered_register_choices)
(tdesc_has_registers, tdesc_find_feature, tdesc_feature_name)
(tdesc_named_type, tdesc_create_feature, tdesc_record_type)
(tdesc_create_reg): Declare.
* gdbarch.sh (remote_register_number): New entry.
* gdbarch.c, gdbarch.h: Regenerate.
* remote.c (init_remote_state): Use gdbarch_remote_register_number.
* features/gdb-target.dtd: Add feature, reg, vector, union, and field.
* arm-tdep.c (arm_register_aliases): New.
(arm_register_name_strings): Rename to...
(arm_register_names): ...this. Make const. Delete the old version.
(current_option, arm_register_byte): Delete.
(set_disassembly_style): Simplify. Do not adjust arm_register_names.
(value_of_arm_user_reg): New.
(arm_gdbarch_init): Verify any described registers. Call
tdesc_use_registers. Don't use arm_register_byte. Create aliases
for standard register names.
(_initialize_arm_tdep): Do not adjust arm_register_names.
* user-regs.c (struct user_reg): Add baton member.
(append_user_reg, user_reg_add_builtin, user_regs_init)
(user_reg_add, value_of_user_reg): Use a baton for user
register functions.
* std-regs.c: Update.
* user-regs.h (user_reg_read_ftype, user_reg_add_builtin)
(user_reg_add): Add baton argument.
* NEWS: Mention target description register support.
* features/arm-core.xml, features/arm-fpa.xml: New.
* eval.c (evaluate_subexp_standard): Allow ptype $register
when the program is not running.
* gdb.texinfo (-target-disconnect): Use @smallexample.
(Requirements): Add anchor for Expat. Update description.
(Target Descriptions): Mention Expat.
(Target Description Format): Document new elements. Use
@smallexample.
(Predefined Target Types, Standard Target Features): New sections.
* doc/gdbint.texinfo (Target Descriptions): New section.
* gdb.xml/single-reg.xml, gdb.xml/tdesc-regs.exp,
gdb.xml/core-only.xml, gdb.xml/extra-regs.xml: New files.
2007-02-08 21:00:36 +00:00
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int default_remote_register_number (struct gdbarch *gdbarch,
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int regno);
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2002-05-29 16:39:56 +00:00
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/* For compatibility with older architectures, returns
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(LEGACY_SIM_REGNO_IGNORE) when the register doesn't have a valid
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name. */
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extern int legacy_register_sim_regno (int regnum);
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2007-02-26 20:13:18 +00:00
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/* Return the selected byte order, or BFD_ENDIAN_UNKNOWN if no byte
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order was explicitly selected. */
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extern enum bfd_endian selected_byte_order (void);
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2003-11-13 19:06:26 +00:00
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/* Return the selected architecture's name, or NULL if no architecture
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was explicitly selected. */
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extern const char *selected_architecture_name (void);
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2001-12-19 14:14:52 +00:00
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/* Initialize a ``struct info''. Can't use memset(0) since some
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2003-11-13 19:06:26 +00:00
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default values are not zero. "fill" takes all available
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information and fills in any unspecified fields. */
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2001-12-19 14:14:52 +00:00
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extern void gdbarch_info_init (struct gdbarch_info *info);
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2003-11-10 16:17:12 +00:00
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/* Similar to init, but this time fill in the blanks. Information is
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2006-11-10 19:20:37 +00:00
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obtained from the global "set ..." options and explicitly
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initialized INFO fields. */
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extern void gdbarch_info_fill (struct gdbarch_info *info);
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2003-11-09 23:52:28 +00:00
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2003-10-27 20:47:27 +00:00
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/* Return the architecture for ABFD. If no suitable architecture
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could be find, return NULL. */
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extern struct gdbarch *gdbarch_from_bfd (bfd *abfd);
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2000-04-03 00:00:32 +00:00
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#endif
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