malloc() with xmalloc
* ada-tasks.c (init_task_list): replace calls to free with xfree()
* ada-lang.c (replace_operator_with_call, fill_in_ada_prototype,
ada_finish_decode_line_1, all_sals_for_line
ada_breakpoint_rewrite): replace calls to free() with xfree()
* dwarf2read.c (dwarf2_invalid_attrib_class): New
complaint for invalid attribute class or form.
(read_func_scope): DW_AT_frame_base
better handling of DW_AT_block*.
(dwarf2_add_member_fn): DW_AT_vtable_elem_location
better handling of DW_AT_block*.
(read_common_block): DW_AT_location
better handling of DW_AT_block*.
(read_partial_die): DW_AT_location better handling
of DW_AT_block*.
(new_symbol): DW_AT_external better handling of
DW_AT_block*. Proper initialization of variable
"addr".
(attr_form_is_block): New function that returns true
if the attribute's form is of DW_FORM_block*.
(m68hc11-elf): Disable sim build warnings.
(m32r-elf): Mark as broken obsolete candidate.
(x86_64-linux-gnu): Mark as buildable with -Werror.
(arm-elf): Change -w to ``,'' which enables warnings but not
-Werror.
(struct bstring, struct bcache): Move definition to "bcache.c".
Replaced by opaque declaration.
(bcache_xfree): Replace free_bcache.
(bcache_xmalloc, bcache_memory_used): Declare.
* bcache.c: Update copyright.
(struct bstring, struct bcache): Moved to here from "bcache.h".
Update comments.
(bcache_xmalloc, bcache_memory_used): New functions.
(bcache_xfree): Replace function free_bcache.
* Makefile.in (objfiles.o): Add $(bcache_h).
(objfiles_h): Remove $(bcache_h).
(symfile.o): Add $(bcache_h).
* symmisc.c: Update copyright.
(print_symbol_bcache_statistics): Pass psymbol_cache by value.
(print_objfile_statistics): Use bcache_memory_used.
* symfile.c: Include "bcache.h".
(reread_symbols): Use bcache_xfree.
(reread_symbols): Use bcache_xmalloc and bcache_xfree.
(add_psymbol_to_list): Pass psymbol_cache by value.
(add_psymbol_with_dem_name_to_list): Ditto.
* objfiles.h: Update copyright.
(struct bcache): Declare opaque. Do not include "bcache.h".
(struct objfile): Change psymbol_cache and macro_cache to ``struct
bcache'' pointers.
* dwarf2read.c (macro_start_file): Pass macro_cache by value.
* objfiles.c: Include "bcache.h". Update copyright.
(allocate_objfile): Use bcache_xmalloc to create psymbol_cache and
macro_cache.
(free_objfile): Use bcache_xfree.
Based on patch from Daniel Berlin <dberlin@dberlin.org>.
* buildsym.c: Include "demangle.h" for SYMBOL_INIT_DEMANGLED_NAME.
(finish_block) For non-function blocks, hash the symbol table. For
function blocks, mark the symbol table as unhashed.
* minsyms.c (msymbol_hash): Return hash value without taking modulus.
(msymbol_hash_iw): Likewise.
(add_minsym_to_hash_table): Take modulus of msymbol_hash's return
value.
(add_minsym_to_demangled_hash_table): Likewise for msymbol_hash_iw.
(lookup_minimal_symbol): Likewise for both.
* symtab.h (struct block): Add `hashtable' flag. Comment the
hashtable.
(BLOCK_HASHTABLE, BLOCK_BUCKETS, BLOCK_BUCKET): New macro.
(ALL_BLOCK_SYMBOLS): Update.
(BLOCK_SHOULD_SORT): Do not sort hashed blocks.
(struct symbol): Add `hash_next' pointer.
* symtab.c (lookup_block_symbol): Search using the hash table when
possible.
(find_pc_sect_symtab): Use ALL_BLOCK_SYMBOLS.
(search_symbols, find_addr_symbol): Likewise.
* dstread.c (process_dst_block): Clear hashtable bit for new block.
(read_dst_symtab): Likewise.
* jv-lang.c (get_java_class_symtab): Likewise.
* mdebugread.c: Include "gdb_assert.h".
(shrink_block): Assert that the block being modified is not hashed.
* coffread.c (patch_opaque_types): Use ALL_BLOCK_SYMBOLS.
* symmisc.c (free_symtab_block): Walk the hash table when freeing
symbols.
(dump_symtab): Recognize hashed blocks.
* printcmd.c (print_frame_args): Assert that function blocks do not
have hashed symbol tables.
* ada-lang.c (symtab_for_sym): Use ALL_BLOCK_SYMBOLS.
(fill_in_ada_prototype, debug_print_block): Likewise.
(ada_add_block_symbols): Use ALL_BLOCK_SYMBOLS. Handle hash tables.
* symtab.c (remove_params): New function.
(make_symbol_overload_list): Use it instead of cplus_demangle.
(overload_list_add_symbol): Likewise. Reorder. Fix memory leak.
New variables.
(i386nbsd_init_abi): Use these to initialize tdep->sigtramp_start
and tdep->sigtramp_end.
* i386obsd-nat.c: New file.
* config/i386/obsd.mh (NATDEPFILES): Add i386obsd-nat.o.
* i386-nat.c (child_post_startup_inferior): New function
calling i386_cleanup_dregs if
I386_USE_GENERIC_WATCHPOINTS is defined.
* config/i386/nm-i386.h: define CHILD_POST_STARTUP_INFERIOR
conditional to acknowledge that i386-nat.c has its
own child_post_startup_inferior function.
* i386-tdep.c (i386_do_pop_frame): Use I386_MAX_REGISTER_SIZE
instead of MAX_REGISTER_RAW_SIZE.
(i386_extract_return_value, i386_extract_struct_value_address):
Convert to use regcache.
(i386_gdbarch_init): Set max_register_raw_size and
max_register_virtual_size to I386_MAX_REGISTER_SIZE.
Set extract_return_value and extract_struct_value_address instead
of their deprecated variants.
* i386-tdep.c: Include "symfile.h".
(i386_frameless_signal_p): Consider a function to be frameless if
the pc points at the first instruction of the function.
(i386_frame_chain): Handle (generic) call dummies.
(i386_frame_saved_pc): Likewise.
(i386_frame_init_saved_regs): Remove code dealing with call
dummies on the stack.
(i386_push_dummy_frame): Removed.
(i386_call_dummy_words): Removed.
(i386_fix_call_dummy): Removed.
(i386_push_return_address): New function.
(i386_do_pop_frame): Renamed from i386_pop_frame. Add FRAME
parameter, and don't call get_current_frame.
(i386_pop_frame): New function.
(i386_gdbarch_init): Set use_generic_dummy_frames to 1, set
call_dummy_location to AT_ENTRY_POINT, set call_dummy_address to
entry_point_address, set call_dummy_breakpoint_offset to 0, set
call_dummy_length to 0, set call_dummy_words to NULL, set
sizeof_call_dummy_words to 0, set fix_call_dummy to
generic_fix_call_dummy, set pc_in_call_dummy to
pc_in_call_dummy_at_entry_point, set push_dummy_frame to
generic_push_dummy_frame, set push_return_address to
i386_push_return_address and set frame_chain_valid to
generic_file_frame_chain_valid.
