2000-04-03 08:00:32 +08:00
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/* Dynamic architecture support for GDB, the GNU debugger.
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2002-04-25 00:28:16 +08:00
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2003-10-23 07:54:11 +08:00
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Copyright 1998, 1999, 2000, 2002, 2003 Free Software Foundation,
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Inc.
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2000-04-03 08:00:32 +08:00
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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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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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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.
2003-04-13 01:41:26 +08:00
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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 08:00:32 +08:00
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/* gdbarch trace variable */
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extern int gdbarch_debug;
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/* Fallback for register convertible. */
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2003-06-12 03:38:27 +08:00
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extern gdbarch_deprecated_register_convertible_ftype deprecated_register_convertible_not;
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2000-04-03 08:00:32 +08:00
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2001-11-30 06:24:42 +08:00
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extern CORE_ADDR generic_cannot_extract_struct_value_address (char *dummy);
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2002-07-04 05:27:55 +08:00
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/* Implementation of extract return value that grubs around in the
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register cache. */
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extern gdbarch_extract_return_value_ftype legacy_extract_return_value;
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2002-08-24 08:21:37 +08:00
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/* Implementation of store return value that grubs the register cache. */
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extern gdbarch_store_return_value_ftype legacy_store_return_value;
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2003-06-13 07:25:37 +08:00
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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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extern gdbarch_use_struct_convention_ftype always_use_struct_convention;
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2000-04-03 08:00:32 +08:00
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/* Frameless functions not identifable. */
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extern gdbarch_frameless_function_invocation_ftype generic_frameless_function_invocation_not;
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2000-04-20 07:22:14 +08:00
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/* Only structures, unions, and arrays are returned using the struct
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convention. Note that arrays are never passed by value in the C
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language family, so that case is irrelevant for C. */
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extern gdbarch_return_value_on_stack_ftype generic_return_value_on_stack_not;
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2000-04-03 08:00:32 +08:00
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/* Backward compatible call_dummy_words. */
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extern LONGEST legacy_call_dummy_words[];
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extern int legacy_sizeof_call_dummy_words;
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/* Typical remote_translate_xfer_address */
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extern gdbarch_remote_translate_xfer_address_ftype generic_remote_translate_xfer_address;
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2000-04-29 16:55:45 +08:00
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/* Generic implementation of prologue_frameless_p. Just calls
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SKIP_PROLOG and checks the return value to see if it actually
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changed. */
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extern gdbarch_prologue_frameless_p_ftype generic_prologue_frameless_p;
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2000-05-15 11:56:30 +08:00
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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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2000-06-02 09:59:13 +08:00
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/* Floating point values. */
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extern const struct floatformat *default_float_format (struct gdbarch *gdbarch);
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extern const struct floatformat *default_double_format (struct gdbarch *gdbarch);
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2003-10-23 07:54:11 +08:00
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/* Identity functions on a CORE_ADDR. Just return the "addr". */
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2000-10-26 15:41:25 +08:00
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2001-06-16 06:10:21 +08:00
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extern CORE_ADDR core_addr_identity (CORE_ADDR addr);
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2003-10-23 07:54:11 +08:00
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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 15:41:25 +08:00
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2000-12-04 12:01:16 +08:00
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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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2001-06-17 04:00:24 +08:00
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/* Versions of init_frame_pc(). Do nothing; do the default. */
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2001-06-16 07:10:55 +08:00
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2003-09-27 23:51:03 +08:00
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extern CORE_ADDR deprecated_init_frame_pc_default (int fromleaf, struct frame_info *prev);
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2001-06-17 04:00:24 +08:00
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2002-02-06 09:20:23 +08:00
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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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2001-06-16 07:50:46 +08:00
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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 08:59:29 +08:00
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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 09:49:49 +08:00
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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 08:59:29 +08:00
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extern gdbarch_virtual_frame_pointer_ftype legacy_virtual_frame_pointer;
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2001-08-15 23:29:56 +08:00
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extern CORE_ADDR generic_skip_trampoline_code (CORE_ADDR pc);
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2003-11-09 20:07:16 +08:00
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extern CORE_ADDR generic_skip_solib_resolver (CORE_ADDR pc);
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2001-11-01 07:21:33 +08:00
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extern int generic_in_solib_call_trampoline (CORE_ADDR pc, char *name);
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2002-08-21 07:01:29 +08:00
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extern int generic_in_solib_return_trampoline (CORE_ADDR pc, char *name);
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2001-11-06 19:02:12 +08:00
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extern int generic_in_function_epilogue_p (struct gdbarch *gdbarch, CORE_ADDR pc);
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2002-05-12 10:16:05 +08:00
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/* Assume that the world is sane, a registers raw and virtual size
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both match its type. */
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2001-12-10 12:58:31 +08:00
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2002-05-12 10:16:05 +08:00
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extern int generic_register_size (int regnum);
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2001-12-12 06:15:55 +08:00
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2002-08-10 10:00:16 +08:00
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/* Assume that the world is sane, the registers are all adjacent. */
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extern int generic_register_byte (int regnum);
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2002-04-25 00:28:16 +08:00
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/* Prop up old targets that use various IN_SIGTRAMP() macros. */
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extern int legacy_pc_in_sigtramp (CORE_ADDR pc, char *name);
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2002-05-12 11:09:12 +08:00
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/* The orginal register_convert*() functions were overloaded. They
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were used to both: convert between virtual and raw register formats
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(something that is discouraged); and to convert a register to the
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type of a corresponding variable. These legacy functions preserve
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that overloaded behavour in existing targets. */
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2003-06-14 Andrew Cagney <cagney@redhat.com>
Mark Kettenis <kettenis@gnu.org>
* gdbarch.sh (CONVERT_REGISTER_P): Add "type" parameter.
(REGISTER_TO_VALUE, VALUE_TO_REGISTER): Replace raw buffer
parameter with "frame".
* gdbarch.h, gdbarch.c: Re-generate.
* frame.h (put_frame_register): Declare.
* frame.c (put_frame_register): New function.
* arch-utils.c (legacy_convert_register_p): Add "type" parameter.
(legacy_register_to_value): Rewrite, use "frame" to get the
register value.
(legacy_value_to_register): Rewrite, use "frame" to find the
register's location before storing.
* arch-utils.h (legacy_convert_register_p): Update.
(legacy_register_to_value, legacy_value_to_register): Update.
* findvar.c (value_from_register): Rewrite, eliminate use of
REGISTER_CONVERT_TO_TYPE, pass "type" to CONVERT_REGISTER_P, pass
"frame" to REGISTER_TO_VALUE.
* valops.c (value_assign): Move the CONVERT_REGISTER code to the
lval_reg_frame_relative + lval_register branch of the switch. Do
not use REGISTER_CONVERT_FROM_TYPE. Use put_frame_register.
* i386-tdep.c (I386_EBX_REGNUM, I386_ECX_REGNUM, I386_ESI_REGNUM,
I386_EDI_REGNUM): New defines.
(i386_next_regnum, i386_convert_register_p,
i386_register_to_value, i386_value_to_register): New functions.
(i386_register_convertible, i386_register_convert_to_virtual,
i386_convert_to_raw): Remove functions.
(i386_gdbarch_init): Set convert_register_p, register_to_value and
value_to_register instead of register_convertible,
register_convert_to_virtual and register_convert_to_raw.
* mips-tdep.c (mips_convert_register_p): New function.
(mips_value_to_register): Replace mips_register_convert_from_type.
(mips_register_to_value): Replace mips_register_convert_to_type.
(mips_gdbarch_init): Set conver_register_p, value_to_register and
register_to_value.
* alpha-tdep.c (alpha_convert_register_p): Update.
(alpha_value_to_register): Update, store the register.
(alpha_register_to_value): Update, fetch the register.
2003-06-15 06:35:25 +08:00
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extern int legacy_convert_register_p (int regnum, struct type *type);
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extern void legacy_register_to_value (struct frame_info *frame, int regnum,
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struct type *type, void *to);
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extern void legacy_value_to_register (struct frame_info *frame, int regnum,
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struct type *type, const void *from);
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2002-05-12 11:09:12 +08:00
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2003-09-18 03:48:42 +08:00
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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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2002-05-30 00:39:56 +08:00
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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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2003-11-14 03:06:26 +08:00
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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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/* 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 22:14:52 +08:00
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/* Initialize a ``struct info''. Can't use memset(0) since some
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2003-11-14 03:06:26 +08:00
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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 22:14:52 +08:00
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extern void gdbarch_info_init (struct gdbarch_info *info);
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2003-11-14 03:06:26 +08:00
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extern void gdbarch_info_fill (struct gdbarch *gdbarch,
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struct gdbarch_info *info);
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2001-12-19 22:14:52 +08:00
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2003-11-11 00:17:12 +08:00
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/* Similar to init, but this time fill in the blanks. Information is
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2003-11-10 07:52:28 +08:00
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obtained from the specified architecture, global "set ..." options,
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and explicitly initialized INFO fields. */
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extern void gdbarch_info_fill (struct gdbarch *gdbarch,
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struct gdbarch_info *info);
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2003-10-28 04:47:27 +08:00
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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 08:00:32 +08:00
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#endif
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