* NEWS: Mention the new backtrace mechanism, DWARF 2 CFI, hosted
file I/O, multi-arch, TLS and NPTL, DWARF 2 Location Expressions,
and Java.
* PROBLEMS: Mention that mips*-*-*, powerpc*-*-*, sparc*-*-* and
arm*-*-* do not use the new frame code.
(struct sh_frame_cache): New structure.
(GET_SOURCE_REG): New macro extracting source register of an opcode.
(GET_TARGET_REG): Ditto but target register.
(GET_PUSHED_REG): Remove.
(IS_MOV_ARG_TO_REG): New macro.
(IS_MOV_ARG_TO_IND_R14): New macro.
(IS_MOV_ARG_TO_IND_R14_WITH_DISP): New macro.
(IS_MOVW_PCREL_TO_REG): New macro.
(IS_MOVL_PCREL_TO_REG): New macro.
(IS_SUB_REG_FROM_SP): New macro.
(IS_ARG_MOV): Remove.
(IS_MOV_TO_R14): Remove.
(IS_RESTORE_FP): New macro.
(IS_RTS): New macro.
(IS_LDS): New macro.
(IS_MOV_FP_SP): New macro.
(IS_ADD_REG_TO_FP): New macro.
(IS_ADD_IMM_FP): New macro.
(sh_skip_prologue_hard_way): Remove.
(sh_saved_pc_after_call): Remove.
(sh_frame_chain): Remove.
(sh_find_callers_reg): Remove.
(sh_nofp_frame_init_saved_regs): Remove.
(sh_fp_frame_init_saved_regs): Remove.
(sh_init_extra_frame_info): Remove.
(sh_analyze_prologue): New function.
(sh_skip_prologue): Remove deprecated code. Rely on new function
sh_analyze_prologue when after_prologue fails.
(sh_frame_saved_pc): Remove.
(sh_alloc_frame_cache): New function.
(sh_frame_cache): Ditto.
(sh_frame_prev_register): Ditto.
(sh_frame_this_id): Ditto.
(sh_frame_unwind): New structure defining the heuristic frame
sniffer interface.
(sh_frame_sniffer): New function.
(sh_unwind_sp): Ditto.
(sh_unwind_pc): Ditto.
(sh_unwind_dummy_id): Ditto.
(sh_frame_base_address): Ditto.
(sh_frame_base): New structure defining new frame base code.
(sh_in_function_epilogue_p): New function.
(sh_gdbarch_init): Restructure and simplify to eliminate deprecated
code and to call all new code instead. Initialize dwarf2 and
heuristic frame sniffer.
language-specific info for printing, prefixifying, dumping, and
evaluating expressions.
(exp_descriptor_standard): Declare new variable.
(print_subexp): Make global and declare here (from expprint.c).
(dump_subexp): Ditto.
(dump_subexp_body_standard): Declare.
(operator_length_standard): Declare.
(op_name_standard): Declare.
(print_subexp): Declare.
(print_subexp_standard): Declare.
* language.h (struct language_defn): Add la_exp_desc field to hold
pointer to table for language-specific operators.
Remove evaluate_exp field, which is now in struct exp_descriptor.
* parse.c (operator_length): Move most code to new
operator_length_standard function. Use language-specific information.
(operator_length_standard): New function taking most code from
operator_length.
(exp_descriptor_standard): New constant.
* expression.h (enum exp_opcode): Add definitions of OP_EXTENDED0
and OP_EXTENDED_LAST.
* expprint.c (print_subexp): Use language-specific print_subexp.
Make global; remove static declaration.
Move most code to print_subexp_standard.
(print_subexp_standard): New function, containing code formerly in
print_subexp.
(op_name): Add expression to argument signature.
Use langauge-specific op_name.
Move most code to op_name_standard.
(op_name_standard): New function, containing code formerly in op_name.
(dump_subexp): Use new version of op_name function.
Use language-specific dump_subexp_body, and move most existing code to
dump_subexp_body_standard.
(dump_raw_expression): Use new op_name interface.
(dump_subexp_body): Move most code to dump_subexp_body_standard.
(dump_subexp_body_standard): New function, containing code formerly
in dump_subexp_body.
* language.c (unknown_language): Add default la_exp_desc field and
remove evaluate_exp field.
(auto_language): Ditto.
(local_language): Ditto.
* f-lang.c (f_language_defn): Ditto.
* c-lang.c (c_language_defn): Ditto.
(cplus_language_defn): Ditto.
(asm_language_defn): Ditto.
(minimal_language_defn): Ditto.
* p-lang.c (pascal_language_defn): Ditto.
* m2-lang.c (m2_language_defn): Ditto.
* objc-lang.c (objc_language_defn): Ditto.
* jv-lang.c (exp_descriptor_java): New variable, containing
Java-specific expression evaluator.
(java_language_defn): Add la_exp_desc field and remove evaluate_exp
field.
* scm-lang.c (exp_descriptor_scm): New variable, containing
Scheme-specific expression evaluator.
(scm_language_defn): Add la_exp_desc field and remove evaluate_exp
field.
* objc-lang.c (print_object_command): Take evaluate_exp from the
la_exp_desc field.
* Makefile.in (eval.o): Add dependency on parser-defs.h.
* eval.c: Include parser-defs.h for the full declaration of
la_exp_desc's type.
(evaluate_subexp): Get evaluate_exp out of la_exp_desc field.
* parse.c (length_of_subexp): Use operator_length to get operator
lengths and arities for operators.
Move most code to new operator_length function.
(operator_length): New function absorbing most code from
length_of_subexp.
(prefixify_subexp): Remove large case and use operator_length instead.
(parse_exp_1): Use renamings:
dump_prefix_expression => dump_raw_expression and
dump_postfix_expression => dump_prefix_expression.
* expression.h (dump_prefix_expression): Rename to ...
(dump_raw_expression): New name.
(dump_postfix_expression): Rename to ...
(dump_prefix_expression): New name.
* expprint.c (dump_subexp): Make global. Add comment.
Move most existing code to dump_subexp_body.
(dump_subexp_body): New function.
(dump_prefix_expression): Rename to dump_raw_expression.
Remove attempt to print the expression via print_expression: it can't
work before the expression is prefixified.
(dump_raw_expression): Renamed from dump_prefix_expression.
(dump_postfix_expression): Rename to dump_prefix_expression, since
that's what it does.
Remove 'note' parameter, since this routine must be used on
prefixified expression.
(dump_prefix_expression): Renamed from dump_postfix_expression.
array of unspecified length, make sure to choose the upper bound
so that the array's total length comes out to be zero --- that's
how we represent such arrays.
* utils.c (align_up, align_down): New functions.
* defs.h (align_up, align_down): Declare.
* ppc-sysv-tdep.c (align_up, align_down): Delete functions.
* s390-tdep.c: Replace "round_up" and "round_down" with "align_up"
and "align_down".
(round_up, round_down): Delete functions.
* mips-tdep.c: Replace ROUND_UP and ROUND_DOWN with "align_up" and
"align_down".
(ROUND_DOWN, ROUND_UP): Delete macros.
(mips_dump_tdep): Do not print "ROUND_UP" or "ROUND_DOWN".
* h8300-tdep.c: Replace "round_up" and "round_down" with
"align_up" and "align_down".
(round_up, round_down): Delete macros.
* frv-tdep.c: Replace ROUND_UP and ROUND_DOWN with "align_up" and
"align_down".
(ROUND_UP, ROUND_DOWN): Delete macros.
* gdbarch.h, gdbarch.c: Regenerate.
(stabs_argument_has_addr): New architecture method.
* arch-utils.h (default_stabs_argument_has_addr): New prototype.
* arch-utils.c: Include "buildsym.h".
(default_stabs_argument_has_addr): New function.
* stabsread.c (define_symbol): Use stabs_argument_has_addr
instead of DEPRECATED_REG_STRUCT_HAS_ADDR.
* ppc-linux-tdep.c (ppc_linux_init_abi): Set the 32 bit
"use_struct_convention" to "ppc_linux_use_struct_convention".
(ppc_linux_use_struct_convention): New function.
* rs6000-tdep.c (rs6000_use_struct_convention): New function.
(rs6000_gdbarch_init): For AIX, set "use_struct_convention" to
"rs6000_use_struct_convention".
* ppc-tdep.h (ppc_sysv_abi_broken_use_struct_convention): Delete
declaration.
* ppc-sysv-tdep.c (ppc_sysv_abi_broken_use_struct_convention):
Delete function.
Andrew Cagney