+2004-02-18 Mark Kettenis <kettenis@gnu.org>
+
+ * i386obsd-tdep.c (i386obsd_aout_regset_from_core_section): Make
+ static. Remove extraneous whitespace.
+ * i386nbsd-tdep.c (i386nbsd_aout_regset_from_core_section): Make
+ static.
+
+2004-02-17 Jim Blandy <jimb@redhat.com>
+
+ * findvar.c (value_from_register): Doc fix.
+
+2004-02-17 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ Committed by Jim Blandy <jimb@redhat.com>.
+
+ * eval.c (evaluate_subexp_standard, case OP_OBJC_MSGCALL): Use
+ CORE_ADDR as type for selectors. Correct types for GNU run time
+ message lookup function to use double indirection.
+ * objc-lang.c (lookup_child_selector): Use CORE_ADDR as return type.
+ * objc-lang.h (lookup_child_selector): Adapt prototype.
+
+ * s390-nat.c (SUBOFF): New macro.
+ (supply_gregset, fill_gregset): Use it to handle debugging
+ of 32-bit exectuables running under a 64-bit kernel.
+ * s390-tdep.c: Include "solib-svr4.h".
+ (s390_svr4_fetch_link_map_offset): New function.
+ (s390x_svr_fetch_link_map_offset): Likewise.
+ (s390_gdbarch_init): Call set_solib_svr4_fetch_link_map_offsets.
+ * Makefile.in (s390-tdep.o): Update dependencies.
+
+ * s390-tdep.c: Include "trad-frame.h", "frame-base.h", and
+ "frame-unwind.h".
+ (s390_readinstruction): Reformat. Use read_memory_nobpt.
+ (GDB_TARGET_IS_ESAME, S390_GPR_SIZE, S390_FPR_SIZE): Remove.
+ (S390_SYSCALL_OPCODE, S390_SYSCALL_SIZE): Remove.
+ (S390_SIGCONTEXT_SREGS_OFFSET, S390X_SIGCONTEXT_SREGS_OFFSET,
+ S390_SIGREGS_FP0_OFFSET, S390X_SIGREGS_FP0_OFFSET,
+ S390_UC_MCONTEXT_OFFSET, S390X_UC_MCONTEXT_OFFSET,
+ S390_SIGNAL_FRAMESIZE,
+ s390_NR_sigreturn, s390_NR_rt_sigreturn): Remove.
+ (struct frame_extra_info): Remove.
+ (s390_memset_extra_info): Remove.
+ (op1_ag, op1_ay, op1_brasl, op1_brc, op1_brcl, op1_lay, op1_lg)
+ (op1_lmy, op1_ly, op1_sg, op1_stmy, op1_sty, op1_sy, op_a)
+ (op_agr, op_bas, op_bc, op_bcr, op_sgr, op_sr): New opcodes.
+ (is_rse): Renamed to ...
+ (is_rsy): ... this. Support long displacements.
+ (is_rxe): Renamed to ...
+ (is_rxy): ... this. Support long displacements.
+ (compute_x_addr): Support long displacements.
+ (struct s390_prologue_data): New data type.
+ (s390_on_stack): Change API to use struct s390_prologue_data.
+ (s390_store): Reimplement.
+ (s390_load): New function.
+ (s390_get_signal_frame_info): Remove.
+ (s390_get_frame_info): Remove, replace by ...
+ (s390_analyze_prolog): ... this new function.
+ (s390_check_function_end): Remove.
+ (s390_function_start): Remove.
+ (s390_frameless_function_invokation): Remove.
+ (s390_is_sigreturn): Remove.
+ (s390_init_frame_pc_first): Remove.
+ (s390_init_frame_extra_info): Remove.
+ (s390_frame_init_saved_regs): Remove.
+ (s390_frame_saved_pc_nofix): Remove.
+ (s390_frame_saved_pc): Remove.
+ (s390_frame_chain): Remove.
+ (s390_fp_regnum, s390_read_fp): Remove.
+ (s390_pop_frame_regular, s390_pop_frame): Remove.
+ (s390_saved_pc_after_call): Remove.
+ (s390_skip_prologue): Reimplement.
+ (s390_in_function_epilogue_p): Support long displacements.
+ (struct s390_unwind_cache): New data structure.
+ (s390_frame_unwind_cache): New function.
+ (s390_prologue_frame_unwind_cache): Likewise.
+ (s390_backchain_frame_unwind_cache): Likewise.
+ (s390_frame_this_id, s390_frame_prev_register): Likewise.
+ (s390_frame_unwind): Define.
+ (s390_frame_sniffer): New function.
+ (struct s390_pltstub_unwind_cache): New data structure.
+ (s390_pltstub_frame_unwind_cache): New function.
+ (s390_pltstub_frame_this_id): Likewise.
+ (s390_pltstub_frame_prev_register): Likewise.
+ (s390_pltstub_frame_unwind): Define.
+ (s390_pltstub_frame_sniffer): New function.
+ (struct s390_sigtramp_unwind_cache): New data structure.
+ (s390_sigtramp_frame_unwind_cache): New function.
+ (s390_sigtramp_frame_this_id): Likewise.
+ (s390_sigtramp_frame_prev_register): Likewise.
+ (s390_sigtramp_frame_unwind): Define.
+ (s390_sigtramp_frame_sniffer): New function.
+ (s390_frame_base_address, s390_local_base_address): New functions.
+ (s390_frame_base): Define.
+ (s390_unwind_pc, s390_unwind_sp): New function.
+ (s390_push_dummy_call): Use new frame base location.
+ (s390_unwind_dummy_id): Likewise.
+ (s390_gdbarch_init): Remove calls to:
+ set_gdbarch_frameless_function_invocation,
+ set_gdbarch_deprecated_init_frame_pc,
+ set_gdbarch_deprecated_frame_chain,
+ set_gdbarch_deprecated_frame_init_saved_regs,
+ set_gdbarch_deprecated_pop_frame,
+ set_gdbarch_deprecated_init_extra_frame_info,
+ set_gdbarch_deprecated_init_frame_pc_first,
+ set_gdbarch_deprecated_target_read_fp,
+ set_gdbarch_deprecated_frame_saved_pc,
+ set_gdbarch_deprecated_saved_pc_after_call,
+ set_gdbarch_deprecated_fp_regnum.
+ Add calls to:
+ set_gdbarch_in_solib_call_trampoline,
+ frame_unwind_append_sniffer,
+ frame_base_set_default,
+ set_gdbarch_unwind_pc,
+ set_gdbarch_unwind_sp.
+ * Makefile.in (s390-tdep.o): Update dependencies.
+
+ * s390-tdep.c (struct gdbarch_tdep): Add 'abi' member.
+ (S390_STACK_FRAME_OVERHEAD): Remove.
+ (S390_STACK_PARAMETER_ALIGNMENT): Remove.
+ (S390_NUM_FP_PARAMETER_REGISTERS): Remove.
+ (s390_promote_integer_argument): Remove.
+ (s390_cannot_extract_struct_value_address): Remove.
+ (s390_use_struct_convention, s390_store_struct_return): Remove.
+ (s390_extract_return_value, s390_store_return_value): Remove.
+ (s390_return_value_convention, s390_return_value): New functions.
+ (is_float_singleton): Handle typedefs.
+ (is_double_or_float, is_double_arg, is_simple_arg, pass_by_copy_ref):
+ Remove, replace by ...
+ (s390_function_arg_pass_by_reference, s390_function_arg_float,
+ s390_function_arg_integer): ... these new functions.
+ (s390_push_arguments, s390_push_return_address): Remove, replace by ...
+ (s390_push_dummy_call, s390_unwind_dummy_id): ... these new functions.
+ (s390_gdbarch_init): Remove s390_call_dummy_words and elf_flags.
+ Fill in tdep->abi.
+ Remove calls to:
+ set_gdbarch_deprecated_store_struct_return,
+ set_gdbarch_deprecated_extract_return_value,
+ set_gdbarch_deprecated_store_return_value,
+ set_gdbarch_use_struct_convention,
+ set_gdbarch_extract_struct_value_address,
+ set_gdbarch_deprecated_pc_in_call_dummy,
+ set_gdbarch_deprecated_push_arguments,
+ set_gdbarch_deprecated_save_dummy_frame_tos,
+ set_gdbarch_deprecated_push_return_address,
+ set_gdbarch_deprecated_sizeof_call_dummy_words,
+ set_gdbarch_deprecated_call_dummy_words,
+ set_gdbarch_deprecated_dummy_write_sp.
+ Add calls to:
+ set_gdbarch_push_dummy_call,
+ set_gdbarch_unwind_dummy_id,
+ set_gdbarch_return_value.
+
+ * config/s390/nm-linux.h: Update comments.
+ (target_insert_watchpoint, target_remove_watchpoint): Redefine.
+ (STOPPED_BY_WATCHPOINT): Redefine.
+ (TARGET_CAN_USE_HARDWARE_WATCHPOINT): Redefine to 1.
+ (s390_insert_watchpoint, s390_remove_watchpoint): Update prototype.
+ (s390_stopped_by_watchpoint): Likewise.
+ (watch_area_cnt): Remove.
+ * s390-nat.c: Update comments.
+ (watch_area): Remove typedef.
+ Global replace watch_area by struct watch_area.
+ (watch_area_cnt, watch_lo_addr, watch_hi_addr): Remove.
+ (s390_stopped_by_watchpoint): Remove pid argument,
+ use s390_inferior_tid. Add short-cut for the no watchpoint case.
+ (s390_fix_watch_points): Remove pid argument,
+ use s390_inferior_tid. Recompute area spanned by watchpoints.
+ (s390_insert_watchpoint, s390_remove_watchpoint): Remove pid
+ argument. Reimplement.
+
+ * config/s390/nm-linux.h: Update comments. Do not include "solib.h".
+ (KERNEL_U_ADDR, REGISTER_U_ADDR, U_REGS_OFFSET): Remove.
+ (FETCH_INFERIOR_REGISTERS): Define.
+ * config/s390/s390.mh (NATDEPFILES): Remove core-aout.o and
+ core-regset.o.
+ * config/s390/s390x.mt: Remove.
+ * config/s390/tm-s390.h: Remove.
+ * config/s390/tm-linux.h: Do not include "s390/tm-s390.h".
+ (TARGET_ELF64): Remove.
+ (SKIP_TRAMPOLINE_CODE): Do not undefine.
+ * configure.tgt [s390-*-*, s390x-*-*]: Merge into single
+ s390*-*-* case; always set gdb_target to s390.
+ * regformats/reg-s390.dat: Remove control registers.
+ * regformats/reg-s390x.dat: Likewise.
+ * s390-tdep.h: New file.
+ * s390-nat.c: Do not include <asm/processor.h> or <value.h>.
+ Include "inferior.h" and "s390-tdep.h".
+ Remove private definition of offsetof.
+ (s390_register_u_addr): Remove.
+ (regmap_gregset, regmap_fpregset): Define.
+ (supply_gregset, fill_gregset): Reimplement.
+ (supply_fpregset, fill_fpregset): Likewise.
+ (s390_inferior_tid): New function.
+ (fetch_regs, store_regs, fetch_fpregs, store_fpregs): Likewise.
+ (fetch_inferior_registers, store_inferior_registers): Likewise.
+ * s390-tdep.c: Do not define S390_TDEP. Include "defs.h" instead
+ of <defs.h>. Include "reggroups.h", "regset.h", and "s390-tdep.h".
+ Global replace of S390_GP0_REGNUM by S390_R0_REGNUM.
+ Global replace of S390_FP0_REGNUM by S390_F0_REGNUM.
+ (struct gdbarch_tdep): Define.
+ (struct s390_register_info): Define.
+ (s390_register_info): New variable.
+ (s390_register_name): Reimplement.
+ (s390_register_type): New function.
+ (s390_register_raw_size, s390x_register_raw_size): Remove.
+ (s390_cannot_fetch_register): Remove.
+ (s390_register_byte): Remove.
+ (s390_register_virtual_type, s390x_register_virtual_type): Remove.
+ (s390_dwarf_regmap): New variable.
+ (s390_dwarf_reg_to_regnum): New function.
+ (s390_stab_reg_to_regnum): Remove.
+ (s390_pseudo_register_read, s390_pseudo_register_write): New functions.
+ (s390x_pseudo_register_read, s390x_pseudo_register_write): Likewise.
+ (s390_convert_register_p): Likewise.
+ (s390_register_to_value, s390_value_to_register): Likewise.
+ (s390_register_reggroup_p): Likewise.
+ (s390_regmap_gregset, s390x_regmap_gregset, s390_regmap_fpregset,
+ s390_gregset, s390x_gregset, s390_fpregset): New variables.
+ (s390_supply_regset, s390_regset_from_core_section): New functions.
+ (GDB_TARGET_IS_ESAME): Move here from tm-s390.h.
+ (S390_FPR_SIZE): Likewise.
+ (S390_GPR_SIZE): Likewise. Redefine in terms of GDB_TARGET_IS_ESAME.
+ Global replace of DEPRECATED_REGISTER_SIZE by S390_GPR_SIZE.
+ (S390_NUM_GPRS): Move here from tm-s390.h.
+ (S390_NUM_FPRS): Likewise.
+ (s390_in_function_epilogue_p): New function.
+ (s390_is_sigreturn): Replace S390_PSW_ADDR_SIZE by S390_GPR_SIZE.
+ Replace S390_PC_REGNUM by S390_PSWA_REGNUM.
+ (s390_gdbarch_init): Allocate and set up gdbarch_tdep structure.
+ Replace s390_stab_reg_to_regnum by s390_dwarf_reg_to_regnum.
+ Replace S390_FP_REGNUM by S390_SP_REGNUM.
+ Remove calls to:
+ set_gdbarch_deprecated_max_register_raw_size,
+ set_gdbarch_deprecated_max_register_virtual_size,
+ set_gdbarch_deprecated_register_byte,
+ set_gdbarch_cannot_fetch_register,
+ set_gdbarch_cannot_store_register,
+ set_gdbarch_deprecated_register_size,
+ set_gdbarch_deprecated_register_raw_size,
+ set_gdbarch_deprecated_register_virtual_size,
+ set_gdbarch_deprecated_register_virtual_type,
+ set_gdbarch_deprecated_register_bytes.
+ Add calls to:
+ set_gdbarch_num_pseudo_regs,
+ set_gdbarch_register_type,
+ set_gdbarch_convert_register_p,
+ set_gdbarch_register_to_value,
+ set_gdbarch_value_to_register,
+ set_gdbarch_register_reggroup_p,
+ set_gdbarch_regset_from_core_section,
+ set_gdbarch_pseudo_register_read,
+ set_gdbarch_pseudo_register_write,
+ set_gdbarch_in_function_epilogue_p.
+ * Makefile.in (s390-nat.o, s390-tdep.o): Update dependencies.
+ (s390_tdep_h): New variable.
+
2004-02-17 Jim Blandy <jimb@redhat.com>
* findvar.c (value_from_register): If the type has no length, just
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