2002-04-22 00:52:39 +08:00
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/* Common target dependent code for GDB on Alpha systems.
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2008-01-02 06:53:26 +08:00
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Copyright (C) 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2002, 2003, 2007,
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2008 Free Software Foundation, Inc.
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2002-04-22 00:52:39 +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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2007-08-24 02:08:50 +08:00
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the Free Software Foundation; either version 3 of the License, or
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2002-04-22 00:52:39 +08:00
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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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2007-08-24 02:08:50 +08:00
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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2002-04-22 00:52:39 +08:00
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#ifndef ALPHA_TDEP_H
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#define ALPHA_TDEP_H
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* alpha-tdep.c (alpha_supply_int_regs, alpha_fill_int_regs,
alpha_supply_fp_regs, alpha_fill_fp_regs): Add REGCACHE parameter,
use it instead of current_regcache.
* alpha-tdep.h (struct regcache): Add forward declaration.
(alpha_supply_int_regs, alpha_fill_int_regs, alpha_supply_fp_regs,
alpha_fill_fp_regs): Update prototypes.
* alpha-nat.c: (supply_gregset, fill_gregset, supply_fpregset,
fill_fpregset): Pass current_regcache to alpha_supply/fill_ routines.
* alpha-linux-nat.c: Include "regcache.h".
(supply_gregset, fill_gregset, supply_fpregset, fill_fpregset): Pass
current_regcache to alpha_supply/fill_ routines.
* alphabsd-tdep.c: Include "regcache.h".
(alphabsd_supply_reg, alphabsd_supply_fpreg): Add REGCACHE paramter,
pass it to alpha_supply_ routines. Make REGS const.
(alphabsd_fill_reg, alphabsd_fill_fpreg): Add REGCACHE parameter,
pass it to alpha_fill_ routines.
* alphabsd-tdep.h (struct regcache): Add forward declaration.
(alphabsd_supply_reg, alphabsd_fill_reg, alphabsd_supply_fpreg,
alphabsd_fill_fpreg): Update prototypes.
* alphanbsd-nat.c (supply_gregset, fill_gregset, supply_fpregset,
fill_fpregset, alphabsd_fetch_inferior_registers,
alphabsd_store_inferior_registers): Pass current_regcache to
alphabsd_supply/fill_ routines.
* Makefile.in (alpha-linux-nat.o, alphabsd-tdep.o): Update
dependencies.
2007-05-06 22:12:13 +08:00
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struct regcache;
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2002-04-22 00:52:39 +08:00
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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2004-08-02 Andrew Cagney <cagney@gnu.org>
Replace DEPRECATED_REGISTER_RAW_SIZE with register_size.
* rs6000-tdep.c (rs6000_push_dummy_call)
(rs6000_extract_return_value): Use register_size.
* xstormy16-tdep.c (xstormy16_get_saved_register)
(xstormy16_extract_return_value): Ditto.
* valops.c (value_assign): Ditto.
* v850ice.c (v850ice_fetch_registers, v850ice_store_registers):
* v850-tdep.c (v850_extract_return_value): Ditto.
* tracepoint.c (collect_symbol): Ditto.
* target.c (debug_print_register): Ditto.
* stack.c (frame_info): Ditto.
* rs6000-nat.c (ARCH64, fetch_register, store_register): Ditto.
* rom68k-rom.c (rom68k_supply_one_register): Ditto.
* remote.c (struct packet_reg, remote_wait, remote_async_wait)
(store_register_using_P): Ditto.
* remote-vxmips.c (vx_read_register, vx_write_register): Ditto.
* remote-sim.c (gdbsim_fetch_register, gdbsim_store_register): Ditto.
* remote-mips.c (mips_wait, mips_fetch_registers): Ditto.
* remote-e7000.c (fetch_regs_from_dump, sub2_from_pc): Ditto.
* regcache.c (deprecated_read_register_bytes)
(deprecated_write_register_bytes, read_register)
(write_register): Ditto.
* ppc-linux-nat.c (fetch_altivec_register, fetch_register)
(supply_vrregset, store_altivec_register, fill_vrregset): Ditto.
* monitor.c (monitor_supply_register, monitor_fetch_register)
(monitor_store_register): Ditto.
* mn10300-tdep.c (mn10300_pop_frame_regular)
(mn10300_print_register): Ditto.
* mipsv4-nat.c (fill_fpregset): Ditto.
* mips-linux-tdep.c (supply_32bit_reg, fill_fpregset)
(mips64_fill_fpregset): Ditto.
* mi/mi-main.c (register_changed_p, get_register)
(mi_cmd_data_write_register_values): Ditto.
* lynx-nat.c (fetch_inferior_registers, store_inferior_registers):
* irix5-nat.c (fill_gregset, fetch_core_registers):
* infrun.c (write_inferior_status_register): Ditto.
* infptrace.c (fetch_register, store_register): Ditto.
* infcmd.c (default_print_registers_info): Ditto.
* ia64-linux-nat.c (COPY_REG, fill_fpregset): Ditto.
* ia64-aix-nat.c (COPY_REG, fill_gregset): Ditto.
* i386gnu-nat.c (gnu_store_registers, fill): Ditto.
* hpux-thread.c (hpux_thread_fetch_registers)
(hpux_thread_store_registers): Ditto.
* hppah-nat.c (store_inferior_registers, fetch_register):
* findvar.c (value_from_register): Ditto.
* dve3900-rom.c (fetch_bitmapped_register):
* cris-tdep.c (cris_gdbarch_init): Ditto.
* alpha-tdep.h: Ditto.
* aix-thread.c (pd_enable, fill_sprs64, fill_sprs32): Ditto.
2004-08-03 08:57:27 +08:00
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used in push_word and a few other places; register_size() is the
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real way to know how big a register is. */
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2002-04-22 00:52:39 +08:00
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#define ALPHA_REGISTER_SIZE 8
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/* Number of machine registers. */
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2003-02-01 02:28:25 +08:00
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#define ALPHA_NUM_REGS 67
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2002-04-22 00:52:39 +08:00
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/* Total amount of space needed to store our copies of the machine's
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register state. */
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#define ALPHA_REGISTER_BYTES (ALPHA_NUM_REGS * 8)
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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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/* Register numbers of various important registers. Note that most of
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these values are "real" register numbers, and correspond to the
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2003-06-02 05:46:37 +08:00
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general registers of the machine. */
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2002-04-22 00:52:39 +08:00
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#define ALPHA_V0_REGNUM 0 /* Function integer return value */
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#define ALPHA_T7_REGNUM 8 /* Return address register for OSF/1 __add* */
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2006-08-01 04:15:50 +08:00
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#define ALPHA_S0_REGNUM 9 /* First saved register */
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2002-04-22 00:52:39 +08:00
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#define ALPHA_GCC_FP_REGNUM 15 /* Used by gcc as frame register */
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#define ALPHA_A0_REGNUM 16 /* Loc of first arg during a subr call */
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#define ALPHA_T9_REGNUM 23 /* Return address register for OSF/1 __div* */
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2003-06-03 00:13:58 +08:00
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#define ALPHA_RA_REGNUM 26 /* Contains return address value */
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2002-04-22 00:52:39 +08:00
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#define ALPHA_T12_REGNUM 27 /* Contains start addr of current proc */
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2003-06-03 00:13:58 +08:00
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#define ALPHA_GP_REGNUM 29 /* Contains the global pointer */
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2002-04-22 00:52:39 +08:00
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#define ALPHA_SP_REGNUM 30 /* Contains address of top of stack */
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#define ALPHA_ZERO_REGNUM 31 /* Read-only register, always 0 */
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#define ALPHA_FP0_REGNUM 32 /* Floating point register 0 */
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#define ALPHA_FPA0_REGNUM 48 /* First float arg during a subr call */
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#define ALPHA_FPCR_REGNUM 63 /* Floating point control register */
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#define ALPHA_PC_REGNUM 64 /* Contains program counter */
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2003-02-01 02:28:25 +08:00
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#define ALPHA_UNIQUE_REGNUM 66 /* PAL_rduniq value */
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2002-04-22 00:52:39 +08:00
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2006-07-12 04:44:53 +08:00
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/* Instruction size. */
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#define ALPHA_INSN_SIZE 4
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2002-04-22 00:52:39 +08:00
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/* The alpha has two different virtual pointers for arguments and locals.
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The virtual argument pointer is pointing to the bottom of the argument
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transfer area, which is located immediately below the virtual frame
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pointer. Its size is fixed for the native compiler, it is either zero
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(for the no arguments case) or large enough to hold all argument registers.
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gcc uses a variable sized argument transfer area. As it has
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to stay compatible with the native debugging tools it has to use the same
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virtual argument pointer and adjust the argument offsets accordingly.
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The virtual local pointer is localoff bytes below the virtual frame
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pointer, the value of localoff is obtained from the PDR. */
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#define ALPHA_NUM_ARG_REGS 6
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/* Target-dependent structure in gdbarch. */
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struct gdbarch_tdep
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{
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2003-05-30 07:02:53 +08:00
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CORE_ADDR vm_min_address; /* Used by alpha_heuristic_proc_start. */
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2002-04-25 10:28:57 +08:00
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/* If PC is inside a dynamically-generated signal trampoline function
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(i.e. one copied onto the user stack at run-time), return how many
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bytes PC is beyond the start of that function. Otherwise, return -1. */
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LONGEST (*dynamic_sigtramp_offset) (CORE_ADDR);
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2003-05-30 07:02:53 +08:00
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/* Translate a signal handler stack base address into the address of
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the sigcontext structure for that signal handler. */
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2002-04-26 15:05:35 +08:00
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CORE_ADDR (*sigcontext_addr) (struct frame_info *);
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2004-05-01 23:34:49 +08:00
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/* Does the PC fall in a signal trampoline. */
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/* NOTE: cagney/2004-04-30: Do not copy/clone this code. Instead
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look at tramp-frame.h and other simplier per-architecture
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sigtramp unwinders. */
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int (*pc_in_sigtramp) (CORE_ADDR pc, char *name);
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2006-07-10 23:28:02 +08:00
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/* If TYPE will be returned in memory, return true. */
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int (*return_in_memory) (struct type *type);
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2003-07-12 05:49:04 +08:00
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/* Offset of registers in `struct sigcontext'. */
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int sc_pc_offset;
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int sc_regs_offset;
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int sc_fpregs_offset;
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2002-04-26 09:08:19 +08:00
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int jb_pc; /* Offset to PC value in jump buffer.
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If htis is negative, longjmp support
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will be disabled. */
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size_t jb_elt_size; /* And the size of each entry in the buf. */
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2002-04-22 00:52:39 +08:00
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};
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2003-05-30 07:02:53 +08:00
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extern unsigned int alpha_read_insn (CORE_ADDR pc);
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2007-06-16 06:37:35 +08:00
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extern int alpha_software_single_step (struct frame_info *frame);
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2003-05-30 07:02:53 +08:00
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extern CORE_ADDR alpha_after_prologue (CORE_ADDR pc);
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extern void alpha_mdebug_init_abi (struct gdbarch_info, struct gdbarch *);
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2003-06-04 14:22:17 +08:00
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extern void alpha_dwarf2_init_abi (struct gdbarch_info, struct gdbarch *);
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2002-04-22 04:27:29 +08:00
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* alpha-tdep.c (alpha_supply_int_regs, alpha_fill_int_regs,
alpha_supply_fp_regs, alpha_fill_fp_regs): Add REGCACHE parameter,
use it instead of current_regcache.
* alpha-tdep.h (struct regcache): Add forward declaration.
(alpha_supply_int_regs, alpha_fill_int_regs, alpha_supply_fp_regs,
alpha_fill_fp_regs): Update prototypes.
* alpha-nat.c: (supply_gregset, fill_gregset, supply_fpregset,
fill_fpregset): Pass current_regcache to alpha_supply/fill_ routines.
* alpha-linux-nat.c: Include "regcache.h".
(supply_gregset, fill_gregset, supply_fpregset, fill_fpregset): Pass
current_regcache to alpha_supply/fill_ routines.
* alphabsd-tdep.c: Include "regcache.h".
(alphabsd_supply_reg, alphabsd_supply_fpreg): Add REGCACHE paramter,
pass it to alpha_supply_ routines. Make REGS const.
(alphabsd_fill_reg, alphabsd_fill_fpreg): Add REGCACHE parameter,
pass it to alpha_fill_ routines.
* alphabsd-tdep.h (struct regcache): Add forward declaration.
(alphabsd_supply_reg, alphabsd_fill_reg, alphabsd_supply_fpreg,
alphabsd_fill_fpreg): Update prototypes.
* alphanbsd-nat.c (supply_gregset, fill_gregset, supply_fpregset,
fill_fpregset, alphabsd_fetch_inferior_registers,
alphabsd_store_inferior_registers): Pass current_regcache to
alphabsd_supply/fill_ routines.
* Makefile.in (alpha-linux-nat.o, alphabsd-tdep.o): Update
dependencies.
2007-05-06 22:12:13 +08:00
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extern void alpha_supply_int_regs (struct regcache *, int, const void *,
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const void *, const void *);
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extern void alpha_fill_int_regs (const struct regcache *, int,
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void *, void *, void *);
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extern void alpha_supply_fp_regs (struct regcache *, int,
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const void *, const void *);
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extern void alpha_fill_fp_regs (const struct regcache *,
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int, void *, void *);
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2003-06-03 04:57:16 +08:00
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2002-04-22 00:52:39 +08:00
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#endif /* ALPHA_TDEP_H */
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