8de307e0c2
dependencies.
* m68k-tdep.c (NUM_FREGS): Delete.
(SIG_PC_FP_OFFSET): Delete.
(TARGET_M68K): Delete.
(P_MOVEAL_SP_FP, P_ADDAW_SP, P_ADDAL_SP, P_SUBQW_SP,
P_SUBQL_SP, P_LEA_SP_SP, P_LEA_PC_A5, P_FMOVEMX_SP,
P_MOVEL_SP, P_MOVEML_SP): Define.
(P_MOVL_SP_FP, P_MOVL, P_JSR, P_BSR, P_LEAL, P_MOVML, P_FMOVM,
P_TRAP): Delete.
(m68k_register_raw_size): Delete.
(m68k_register_virtual_size): Delete.
(m68k_register_type): Renamed from m68k_register_virtual_type and
add gdbarch argument.
(m68k_store_struct_return): Delete.
(m68k_deprecated_extract_return_value): Delete.
(m68k_deprecated_extract_struct_value_address): Delete.
(m68k_frame_chain): Delete.
(m68k_frame_saved_pc): Delete.
(m68k_fix_call_dummy): Delete.
(m68k_push_dummy_frame): Delete.
(m68k_pop_frame): Delete.
(m68k_extract_return_value): New function.
(m68k_store_return_value): Rewrite using regcache.
(m68k_extract_struct_value_address): Rewrite using regcache.
(m68k_push_dummy_call): New function.
(struct m68k_frame_cache): Define.
(m68k_alloc_frame_cache): New function.
(m68k_analyze_frame_setup): New function.
(m68k_analyze_register_saves): New function.
(m68k_analyze_prologue): New function.
(m68k_skip_prologue): Rewrite using above functions.
(m68k_unwind_pc): New function.
(m68k_frame_cache): New function.
(m68k_frame_this_id): New function.
(m68k_frame_prev_register): New function.
(m68k_frame_unwind): New variable.
(m68k_frame_p): New function.
(m68k_sigtramp_frame_cache): New function.
(m68k_sigtramp_frame_this_id): New function.
(m68k_sigtramp_frame_prev_register): New function.
(m68k_sigtramp_frame_unwind): New variable.
(m68k_sigtramp_frame_p): New function.
(m68k_frame_base_address): New function.
(m68k_frame_base): New function.
(m68k_unwind_dummy_id): New function.
(fill_gregset): Use regcache_collect.
(fill_fpregset): Likewise.
(m68k_saved_pc_after_call): Only define if SYSCALL_TRAP is
defined.
(m68k_gdbarch_init): Don't define call_dummy_words. Don't set
deprecated_init_frame_pc, deprecated_store_struct_return,
deprecated_extract_return_value, deprecated_store_return_value,
deprecated_frame_chain, deprecated_frame_saved_pc,
deprecated_frame_init_saved_regs, deprecated_register_raw_size,
deprecated_register_virtual_size,
deprecated_max_register_raw_size,
deprecated_max_register_virtual_size,
deprecated_register_virtual_type, deprecated_register_size,
deprecated_register_byte, deprecated_register_bytes,
deprecated_fp_regnum, deprecated_use_generic_dummy_frames,
call_dummy_location, deprecated_call_dummy_breakpoint_offset,
deprecated_pc_in_call_dummy, deprecated_call_dummy_length,
deprecated_call_dummy_start_offset, deprecated_call_dummy_words,
deprecated_sizeof_call_dummy_words, deprecated_fix_call_dummy,
deprecated_push_dummy_frame, deprecated_pop_frame,
deprecated_dummy_write_sp. Set deprecated_saved_pc_after_call
only if SYSCALL_TRAP is defined. Set extract_return_value,
store_return_value, extract_struct_value_address, register_type,
push_dummy_call, unwind_dummy_id, unwind_pc. Add two frame unwind
predicates.
* m68k-tdep.h (M68K_D1_REGNUM, M68K_NUM_REGS,
M68K_MAX_REGISTER_SIZE): Define.
(struct m68k_sigtramp_info): Define.
(struct gdbarch_tdep): Add get_sigtramp_info.
* m68klinux-nat.c (fetch_register): Use register_size instead of
REGISTER_RAW_SIZE. Don't put assignment in if.
(store_register): Likewise.
(fetch_inferior_registers): Likewise.
(store_inferior_registers): Likewise.
* m68klinux-tdep.c (m68k_linux_sigtramp_saved_pc): Delete.
(m68k_linux_frame_saved_pc): Delete.
(m68k_linux_sigcontext_reg_offset,
m68k_linux_ucontext_reg_offset): Define.
(m68k_linux_get_sigtramp_info): New function.
(m68k_linux_extract_return_value): Rewrite using regcache.
(m68k_linux_store_return_value): Likewise.
(m68k_linux_extract_struct_value_address): Likewise.
(m68k_linux_init_abi): Set get_sigtramp_info in tdep structure.
Don't set deprecated_frame_saved_pc,
deprecated_extract_return_value, deprecated_store_return_value,
deprecated_extract_struct_value_address. Set
extract_return_value, store_return_value,
extract_struct_value_address.
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
/* Common target dependent code for the Motorola 68000 series.
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1999, 2000, 2001, 2003
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Free Software Foundation, Inc.
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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 M68K_TDEP_H
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#define M68K_TDEP_H
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struct frame_info;
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/* Register numbers of various important registers.
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Note that some of these values are "real" register numbers,
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and correspond to the general registers of the machine,
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and some are "phony" register numbers which are too large
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to be actual register numbers as far as the user is concerned
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but do serve to get the desired values when passed to read_register. */
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enum
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{
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M68K_D0_REGNUM = 0,
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M68K_D1_REGNUM = 1,
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M68K_A0_REGNUM = 8,
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M68K_A1_REGNUM = 9,
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M68K_FP_REGNUM = 14, /* Contains address of executing stack frame */
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M68K_SP_REGNUM = 15, /* Contains address of top of stack */
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M68K_PS_REGNUM = 16, /* Contains processor status */
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M68K_PC_REGNUM = 17, /* Contains program counter */
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M68K_FP0_REGNUM = 18, /* Floating point register 0 */
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M68K_FPC_REGNUM = 26, /* 68881 control register */
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M68K_FPS_REGNUM = 27, /* 68881 status register */
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M68K_FPI_REGNUM = 28
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};
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#define M68K_NUM_REGS (M68K_FPI_REGNUM + 1)
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/* Size of the largest register. */
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#define M68K_MAX_REGISTER_SIZE 12
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struct m68k_sigtramp_info
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{
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/* Address of sigcontext. */
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CORE_ADDR sigcontext_addr;
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/* Offset of registers in `struct sigcontext'. */
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int *sc_reg_offset;
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};
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/* Target-dependent structure in gdbarch. */
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struct gdbarch_tdep
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{
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/* Offset to PC value in the jump buffer. If this is negative,
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longjmp support will be disabled. */
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int jb_pc;
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/* The size of each entry in the jump buffer. */
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size_t jb_elt_size;
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/* Get info about sigtramp. */
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struct m68k_sigtramp_info (*get_sigtramp_info) (struct frame_info *);
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};
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#endif /* M68K_TDEP_H */
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