daily update

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2002-07-12  Petr Sorfa <petrs@caldera.com>

        *  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*.

2002-07-12  Peter Schauer  <Peter.Schauer@Regent.E-Technik.TU-Muenchen.DE>

        * valops.c (find_method_list): Remove comment about
        removed STATIC_MEMFUNCP argument.
        (value_find_oload_method_list): Likewise.

From Nicholas Duffek:
* rs6000-nat.c (vmap_ldinfo, xcoff_relocate_core): Call
target_new_objfile_hook.

From Nicholas Duffek:
* xcoffread.c (scan_xcoff_symtab): Recognize XMC_TD as a data storage
csect.

* MAINTAINERS: Mention --enable-sim-build-warnings.
(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.

* elf32-cris.c (cris_elf_relocate_section): Drop nonsensical
dynamic reference test in assertion when initializing GOT with
static contents.  Just assert that there are either no dynamic
sections, the symbol is defined in the regular objects or that the
symbol is undef weak.  Tweak comment.
(elf_cris_finish_dynamic_symbol): Emit .got reloc for a program
only if the symbol isn't defined in the program and isn't undef
weak.
(elf_cris_adjust_dynamic_symbol): Simplify condition for getting
rid of PLT entry: only do it if the symbol isn't defined in a DSO.
When doing so, clear ELF_LINK_HASH_NEEDS_PLT.  Tweak comments.
(elf_cris_discard_excess_program_dynamics): Don't consider
ELF_LINK_HASH_REF_DYNAMIC when omitting .got runtime relocs.

* ld-cris/nodyn4.d, ld-cris/expdyn4.d, ld-cris/comref1.s,
ld-cris/euwref1.s, ld-cris/expdyn3.d, ld-cris/expdyn2.d,
ld-cris/expdref1.s: New tests.

* bcache.h: Update copyright.
(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.

* emulparams/elf64ppc.sh (ARCH): Set to powerpc:common64.
(COMMONPAGESIZE): Define.

* config/tc-i386.c (process_suffix): Merge CODE_64BIT JumpByte
case with non CODE_64BIT case.  Don't warn on "qword ptr" if
not CODE_64BIT.

daily update

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* monitor.c (monitor_fetch_register): Make name a constant.
(monitor_store_register): Same.

2002-07-11  Daniel Jacobowitz  <drow@mvista.com>

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.

* configure.in: Remove two redundant tests.

* configure.in (mips*-*-irix6*o32): Enable stabs.

* stack.c (print_frame): Use result of frame_address_in_block()
instead of fi->pc when evaluating symbols.
(backtrace_command_1): Ditto.

* cris-tdep.c (cris_saved_pc_after_call): Fix parameter type.
Make static.
* arm-tdep.c (arm_register_name): Make return type constant.

Fix some K&R isms.

* elf32-i386.c (elf_i386_relocate_section): Don't complain about
unresolved debugging relocs in dynamic applications.
* elf32-s390.c (elf_s390_relocate_section): Likewise.
* elf32-sparc.c (elf32_sparc_relocate_section): Likewise.
* elf64-ppc.c (ppc64_elf_relocate_section): Likewise.
* elf64-s390.c (elf_s390_relocate_section): Likewise.
* elf64-sparc.c (sparc64_elf_relocate_section): Likewise.
* elf64-x86-64.c (elf64_x86_64_relocate_section): Likewise.

* config/tc-ppc.c (ppc_elf_frob_symbol): Delete.
(ppc_frob_file_before_adjust): New function.
* config/tc-ppc.h (tc_frob_symbol): Don't define.
(ppc_elf_frob_symbol): Don't declare.
(tc_frob_file_before_adjust): Define.
(ppc_frob_file_before_adjust): Declare.

* config/tc-ppc.c (md_pseudo_table): Warning fix.
(ppc_cpu): Make it unsigned long to agree with struct powerpc_opcode
flags.
(ppc_size): Delete.
(ppc_xcoff64): Rename to ppc_obj64.
(md_parse_option <m>): Encode old ppc_size value in ppc_cpu.
(ppc_set_cpu): Set PPC_OPCODE_32 too.
(ppc_arch): Use ppc_obj64 instead of ppc_size to select bfd_mach_ppc64
or bfd_mach_ppc.
(ppc_target_format): Use ppc_obj64 to select format.
(md_begin): Adjust for PPC_OPCODE_32/64 in ppc_cpu.
(ppc_insert_operand): Use ppc_obj64 instead of ppc_size.
(ppc_elf_suffix): Likewise.  Don't depend on BFD_DEFAULT_TARGET_SIZE.
(tc_frob_symbol): Likewise.
(md_assemble): Use ppc_obj64 instead of ppc_size.  Don't depend on
BFD_DEFAULT_TARGET_SIZE.
(ppc_tc): Likewise.
(ppc_is_toc_sym): Likewise.
(md_apply_fix3): Likewise.
* config/tc-ppc.h (TC_FORCE_RELOCATION): Don't depend on
BFD_DEFAULT_TARGET_SIZE.
(ELF_TC_SPECIAL_SECTIONS): Likewise.
(tc_frob_symbol): Likewise.

   * gdb.base/attach.exp: Add patterns to match output from /proc-based
       systems.
       Move comments in expect statements to inside the actions, so that they
       don't get matched against.

daily update

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* gdb.base/interrupt.exp: Setup xfail for all i386 BSD's on "call
function when asleep" test.

* wince.c (_initialize_wince): Rename _initialize_inftarg.
* win32-nat.c (_initialize_win32_nat): Rename _initialize_inftarg.

* gdb.base/page.exp: Rewrite to handle problems with very long
`info set' output.  Update copyright.

* NEWS: Mention m68k, mcore multi-arching.
* MAINTAINERS: Change status of m68k, mcore to reflect
multi-arching.

2002-07-10  Daniel Jacobowitz  <drow@mvista.com>

        * valops.c (find_overload_match): Free oload_syms.

    * gdb.texinfo (Create a release candiate): Add the location
        where the proper version of autoconf can be retrieved.

* readelf.c (get_dynamic_type): Handle DT_GNU_PRELINKED,
DT_GNU_CONFLICT* and DT_GNU_LIBLISZ*.
(get_section_type_name): Handle SHT_GNU_LIBLIST.
(process_dynamic_segment): Handle DT_GNU_CONFLICTSZ,
DT_GNU_LIBLISTSZ and DT_GNU_PRELINKED.
(process_gnu_liblist): New.
(process_file): Call it.

* elf/common.h (SHT_GNU_LIBLIST, DT_GNU_PRELINKED,
DT_GNU_CONFLICT*, DT_GNU_LIBLIST*): Define.

* elf64-ppc.c (ONES): Define.
(ppc64_elf_howto_table): Use ONES here to avoid warnings.  Fill in
missing src_mask fields.  Tweak R_PPC64_NONE, R_PPC64_COPY.  Fill
in missing dst_mask fields on R_PPC64_PLT32, R_PPC64_PLTREL32.

* elf64-ppc.c (ppc64_elf_get_symbol_info): Delete.
(ppc64_elf_set_private_flags): Delete.
(ppc64_elf_section_from_shdr): Delete.
(ppc64_elf_merge_private_bfd_data): Remove flag checking/merging code.
(ppc64_elf_fake_sections): Delete.
(bfd_elf64_bfd_set_private_flags): Don't define.
(bfd_elf64_get_symbol_info): Likewise.
(elf_backend_section_from_shdr): Likewise.
(elf_backend_fake_sections): Likewise.

* elf.c: (assign_section_numbers) Set sh_entsize for .stab only
when not already set.
* elf64-sparc.c: (sparc64_elf_fake_sections): New function.
(elf_backend_fake_sections): Define.

merge from gcc

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daily update

* merge.c (_bfd_merge_section): Remove redundant output_section check.
Formatting.
(_bfd_merge_sections): Don't set SEC_EXCLUDE on unused sections.

    Define HAVE_SYS_PROC_H if sys/proc.h exists
        * configure.in: Add check for sys/proc.h
        * config.in: Regenerate.
        * configure: Regenerate.

2002-07-09  Grace Sainsbury  <graces@redhat.com>

* config/m68k/tm-m68k.h: Remove macros wrapped in
#if !GDB_MULTI_ARCH.

2002-07-09  David O'Brien  <obrien@FreeBSD.org>
* gdbserver/gdbreplay.c (stdlib.h, unistd.h): Conditionaly include.
(perror_with_name, remote_close, remote_open, expect, play): Static.

2002-07-09  Don Howard  <dhoward@redhat.com>

        * gdb.texinfo (Command Files): Further describe the behavior of
        sourced command files.

* config/tc-mips.c (macro_build): Handle MIPS16 insns.
(mips_ip): Likewise.
* mips.h (INSN_MIPS16): New define.
* mips-dis.c (mips_isa_type): Add MIPS16 insn handling.
* mips-opc.c (I16): New define.
(mips_builtin_opcodes): Make jalx an I16 insn.

* config.in, configure: Regenerate.

* config/tc-i386.c (md_pseudo_table <file>): Warning fix.
(BFD_RELOC_8, BFD_RELOC_8_PCREL): Define for non-BFD.
(md_apply_fix3): Formatting.  Remove redundant test.
(tc_gen_reloc): Remove redundant code.
(tc_i386_force_relocation): Delete.  Movy body of function to..
* config/tc-i386.h (TC_FORCE_RELOCATION): .. here.

    * ld-scripts/dynamic-sections*: New test.

* emulparams/hppanbsd.sh: Remark that hppaobsd.sh references this file.

oops, forgot to commit.

* elf32-cris.c (cris_elf_relocate_section): Move sanity-check for
NULL sym_hashes to just before use.
<case R_CRIS_32_GOTREL>: In test for local symbol, accept also
symbol with non-default visibility.
<case R_CRIS_32_GOTREL, case R_CRIS_32_PLT_GOTREL>: Ditto.
<case R_CRIS_8_PCREL, case R_CRIS_16_PCREL, case R_CRIS_32_PCREL>:
Ditto.
(cris_elf_gc_sweep_hook): Only decrease h->plt.refcount for
symbol with non-default visibility.
(cris_elf_check_relocs): At tests for local symbol before
increasing h->plt.refcount, also check for non-default
visibility.  Ditto when checking for local symbol to eliminate
pc-relative runtime relocs.

* ld-cris/libdso-3.d, ld-cris/dso-3.s, ld-cris/noglob1.s,
ld-cris/noglob1.d: New tests.

* configure.tgt: Add hppaobsd.o.
* Makefile.am: Add support for alpha-*-openbsd*, hppa-*-openbsd*,
powerpc-*-openbsd* and sparc64-*-openbsd*.
* Makefile.in: Regenerate.
* emulparams/hppaobsd.sh: New file.

* configure.in: Add hppa-*-openbsd* target, change
alpha*-*-openbsd* format to elf, and use elf for sparc-*-openbsd*
with sparc64 cpu.
* configure: Regenerate.

Fix typo last change

merge from gcc

* ld-cris/libdso-1.d: Tweak for change in size of dynamic sections.

* config/tc-mips.c (macro): Shift the 32-bit address range
accessible with a lone "lui" down by 32768.

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daily update

* config/tc-mips.c (load_address): Use non-trapping "daddu"
instead of "dadd" in address calculations.
(macro): Likewise.

* configure.in: Don't build grez.
* Makefile.in: Ditto.

* dwarf2cfi.c: Include "gcore.h".
(execute_stack_op): Fix implementation of the
DW_OP_deref and DW_OP_deref_size operators by letting do their
lookup in the target.

* Makefile.in: Remove references to bsp, cygmon, libstub.
* configure.in: Ditto.

* configure.in: Remove leftover reference to gdbtest.

* configure.in (gxx_include_dir):  Change to match versioned
C++ headers if --enable-version-specific-runtime-libs is used.

* gas/i386/intel16.s: New.
* gas/i386/intel16.d: New.
* gas/i386/i386.exp: Run it.

gas/ChangeLog
* config/tc-i386.c (process_suffix): Remove intel mode movsx and
movzx fudges.
(md_assemble): Instead, zap the suffix here.

include/opcode/ChangeLog
* i386.h: Remove IgnoreSize from movsx and movzx.

* elf.c: Formatting.
(IS_SOLARIS_PT_INTERP): Add p_paddr and p_memsz checks.
(INCLUDE_SECTION_IN_SEGMENT): Remove IS_SOLARIS_PT_INTERP.
(copy_private_bfd_data): Set p_vaddr on broken Solaris PT_INTERP
segments.

* cofflink.c (_bfd_coff_final_link): On PE COFF systems, take into
account the impact of relocation count overflow when computing
section offsets.
* coffcode.h (coff_write_relocs): Use obj_pe when deciding whether
or not to apply the PE COFF reloc overflow handling.  Fix a
fencepost error in deciding whether or not to use that technique.

daily update

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From Peter Schauer <Peter.Schauer@regent.e-technik.tu-muenchen.de>:
* i386-sol2-tdep.c (i386_sol2_init_abi): Correct value for
tdep->sc_sp_offset.

* elf-bfd.h (struct elf_reloc_cookie): Remove locsym_shndx,
change type of locsyms.
(bfd_elf_get_elf_syms): Declare.
* elf.c (bfd_elf_get_elf_syms): New function.
(group_signature): Use bfd_elf_get_elf_syms.
(bfd_section_from_r_symndx): Likewise.
* elfcode.h (elf_slurp_symbol_table): Likewise.
* elflink.h (elf_link_is_defined_archive_symbol): Likewise.
(elf_link_add_object_symbols): Likewise.  Reorganise to increase
locality of various data structures.  Properly free internal relocs.
(elf_bfd_final_link): Properly free internal relocs.
(elf_link_check_versioned_symbol): Use bfd_elf_get_elf_syms.
(elf_link_input_bfd): Likewise.
(elf_gc_mark): Likewise.  Properly free internal relocs.
(elf_gc_sweep): Properly free internal relocs.
(elf_reloc_symbol_deleted_p): No need to swap syms in.
(elf_bfd_discard_info): Use bfd_elf_get_elf_syms.  Properly free
internal relocs.
* elf-m10200.c (mn10200_elf_relax_section): Use bfd_elf_get_elf_syms.
Properly free possibly cached info.
(mn10200_elf_relax_delete_bytes): Remove symbol swapping code.
(mn10200_elf_symbol_address_p): Pass in internal syms.  Remove
symbol swapping code.
(mn10200_elf_get_relocated_section_contents): Use bfd_elf_get_elf_syms.
Properly free possibly cached info.
* elf-m10300.c (mn10300_elf_relax_section): As above for elf-m10200.c.
(mn10300_elf_relax_delete_bytes): Likewise.
(mn10300_elf_symbol_address_p): Likewise.
(mn10300_elf_get_relocated_section_contents): Likewise.
* elf32-h8300.c (elf32_h8_relax_section): As above for elf-m10200.c.
(elf32_h8_relax_delete_bytes): Likewise.
(elf32_h8_symbol_address_p): Likewise.
(elf32_h8_get_relocated_section_contents): Likewise.
* elf32-m32r.c (m32r_elf_relax_section): As above for elf-m10200.c.
(m32r_elf_relax_delete_bytes): Likewise.
(m32r_elf_get_relocated_section_contents): Likewise.
* elf32-sh.c (sh_elf_reloc_loop): Free section contents using
elf_section_data to determine whether cached.
(sh_elf_relax_section): As above for elf-m10200.c.
(sh_elf_relax_delete_bytes): Likewise.
(sh_elf_get_relocated_section_contents): Likewise.
* elf32-xstormy16.c (xstormy16_elf_relax_section): As above.
* elf64-alpha.c (elf64_alpha_relax_section): As above.  Also delay
reading of local syms.
* elf64-mmix.c (mmix_elf_relax_section): Likewise.
* elf64-sh64.c (sh_elf64_get_relocated_section_contents): As above.
* elfxx-ia64.c (elfNN_ia64_relax_section): As above.
* elfxx-mips.c (_bfd_mips_elf_check_relocs): Properly free internal
relocs.
* elf32-arm.h (bfd_elf32_arm_process_before_allocation): Properly
free internal relocs and section contents.  Don't read symbols.
* elf32-hppa.c (get_local_syms): Use bfd_elf_get_elf_syms.
(elf32_hppa_size_stubs): Don't free local syms.
* elf32-m68k.c (bfd_m68k_elf32_create_embedded_relocs): Delay
reading of local syms.  Use bfd_elf_get_elf_syms.  Properly free
possibly cached info.
* elf32-mips.c (bfd_mips_elf32_create_embedded_relocs): Likewise.
* elf64-hppa.c (elf64_hppa_check_relocs): Use bfd_elf_get_elf_syms.
* elf64-ppc.c (struct ppc_link_hash_table): Delete bfd_count and
all_local_syms.
(get_local_syms): Delete function.
(edit_opd): Use bfd_elf_get_elf_syms.  Free on error exit.  Cache
on exit.
(ppc64_elf_size_stubs): Use bfd_elf_get_elf_syms.  Free/cache on exit.

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daily update

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This makes gprof work with non-standard text sections.
* syms.c (decode_section_type): New.
(bfd_decode_symclass): Call decode_section_type.

2002-07-05  Daniel Jacobowitz  <drow@mvista.com>

        Fix PR gdb/595, gdb/602
        * gnu-v3-abi.c (gnuv3_baseclass_offset): Remove unused variables.
        Don't call value_cast, just read the vtable pointer; update comments
        to match.

* config/mcore/tm-mcore.h: Remove file.
* config/mcore/mcore.mt: Remove definition of TM_FILE
* configure.tgt: Set gdb_multi_arch to yes for the mcore target.

Add checks to catch invaliud XScale MIA, MIAPH and MIAxy instructions.

* ldlang.c (print_wild_statement): Fix output formatting.

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* i386bsd-tdep.c: Include "gdb_string.h".

* ltcf-cxx.sh (hpux*): Modify to support ia64-*-hpux*.

* config/mcore/tm-mcore.h (GDB_MULTI_ARCH): Set to 2.
(PR_REGNUM, FIRST_ARGREG, LAST_ARGREG,RETVAL_REGNUM): Move to
mcore-tdep.
(REG_STRUCT_HAS_ADDR, USE_STRUCT_CONVENTION, GET_SAVED_REGISTER)
(TARGET_VIRTUAL_FRAME_POINTER, BELIEVE_PCC_PROMOTION): Remove.
* mcore-tdep.c (PR_REGNUM, FIRST_ARGREG, LAST_ARGREG)
(RETVAL_REGNUM): Move macros from tm-mcore.h
(mcore_reg_struct_has_addr): New function.
(mcore_gdbarch_init): Added initializations for the macros removed
from tm-mcore.h.

* merge.c (_bfd_merged_section_offset): Avoid accessing byte before
section content start.
Reported by Michael Schumacher <mike@hightec-rt.com>.

* osabi.c (generic_elf_osabi_sniffer): Add check for FreeBSD 3.x's
traditonal string branding within the ELF header.

2002-07-04  Daniel Jacobowitz  <drow@mvista.com>

        * 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.

* i386obsd-nat.c (_initialize_i386obsd_nat): Fix typo in prototype.

* i386bsd-tdep.c (i386nbsd_sigtramp_start, i386nbsd_sigtramp_end):
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.

* dwarf2cfi.c (cfi_pop_frame): Use alloca() for regbuf.
Don't call get_current_frame().

* ldlang.c: (strip_excluded_output_sections): New function.
(lang_process): Call it.
(lang_size_sections_1): Revert 2002-06-10 change.

* section.c (_bfd_strip_section_from_output):  Remove unnecessary
link order code.  Don't actually remove the output section here;
Just set a flag for the linker to do so.
* elflink.c (_bfd_elf_link_renumber_dynsyms): Test for removed
sections when setting up output section dynsyms.

* elflink.h (elf_link_add_object_symbols): Revert 1999-09-02 hpux
fudge.
* elf.c (bfd_section_from_shdr): Work around broken hpux shared
libs here instead.

2002-07-04  Pierre Muller  <muller@ics.u-strasbg.fr>

* 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.h (I386_MAX_REGISTER_SIZE): New define.
* 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.

Convert i386 target to generic dummy frames.
* 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.