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.

Merge changes from MinGW

* lib/ntdll.def: Remove \r.

* 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.

* debug.cc: Avoid explicit zeroing of globals.
(lock_debug): Make locker a static member.  Avoid unlocking when already
unlocked (from Conrad Scott).
(debug_init): Initialize lock_debug::locker here.
* fork.cc (fork_child): Fix up fdtab earlier to avoid some (but not all)
confusion with close-on-exec craziness.

More jdf changes.

* 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.

Fix typo last change

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

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.

2002-07-08  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/include/math.h (MAXFLOAT): Added.

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

Joshua Daniel Franklin update.

Some small speedups.

* 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.

doc patch.

* configure.in: Check for libiconv.a.
* configure: Regenerate.
* Makefile.in: Add libiconv.a to libraries required for dumper.exe.

* Makefile.in: Use MINGW stuff from Makefile.common.

* testsuite/winsup.api/winsup.exp: Add -mwin32 to gcc flags so windows.h will
be found.

* Makefile.in: Use MINGW stuff from Makefile.common.

* Makefile.common (MINGW_INCLUDES): Simplify.
(MINGW_CFLAGS): New.
(MINGW_CXXFLAGS): Ditto.

Add missing entry from 2002-06-25

* libc/machine/sh/Makefile.am (lib_a_SOURCES):
Make strcmp.S unconditional.
* libc/machine/sh/Makefile.in: Regenerate.
* libc/machine/sh/asm.h (DELAYED_BRANCHES, SL): Also for __SH5__ .
* strcmp.S (strcmp): Add SHmedia variant.  Use different registers
for SHcompact.

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daily update

* fhandler.h (fhandler_socket::is_unconnected): Constify.
(fhandler_socket::is_connect_pending): Ditto.
(fhandler_socket::is_connected): Ditto.
(fhandler_socket::set_connect_state): New method.
(struct select_record): Add member `except_on_write'.
(select_record::select_record): Initialize all bool values to `false'.
* fhandler_socket.cc: Use set_connect_state() method throughout.
(fhandler_socket::connect): Set state always to connected if connection
isn't pending.
* net.cc (cygwin_getsockopt): Revert erroneous previous patch.
* select.cc (set_bits): Check for `except_on_write'.  Set fd in
write_fds if set.  Set connect state to connected if fd has been
returned by WINSOCK_SELECT.
(peek_socket): Check for `except_on_write'.
(start_thread_socket): Ditto.
(fhandler_socket::select_write): Don't set `write_ready' if connect
is pending.  Set `except_on_write' if connect is pending.

daily update

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add missing entry

* ntdll.h (_SYSTEM_PROCESSOR_TIMES): Force eight byte alignment.
(_SYSTEM_TIME_OF_DAY_INFORMATION): Ditto.

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

* fhandler.h (UNCONNECTED): New define.
(CONNECT_PENDING): Ditto.
(CONNECTED): Ditto.
(class fhandler_socket): Add member `had_connect_or_listen'.
Add member functions `is_unconnected', `is_connect_pending' and
`is_connected'.
* fhandler_socket.cc (fhandler_socket::connect): Set member
`had_connect_or_listen' according to return code of WinSock
call.
(fhandler_socket::listen): Ditto.
* net.cc (cygwin_getsockopt): Modify SO_ERROR return value in
case of socket with pending connect().
* select.cc (peek_socket): Only add socket to matching fd_set
if it's not "ready".  Call WINSOCK_SELECT only if at least one
socket is in one of the fd_sets.
(start_thread_socket): Only add socket to matching fd_set
if it's not "ready".
(fhandler_socket::select_write): Set write_ready to true also
if socket isn't connected or listening.

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.

* 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.

daily update

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2002-07-04  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/sys/linux/inode.c: Fix utime prototype and add _LIBC
        define before including <sys/lock.h>.

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

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

2002-07-04  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/include/utime.h: Add include of <_ansi.h>.
        * libc/sys/linux/Makefile.am: Add utimes.c.
        * libc/sys/linux/Makefile.in: Regenerated.
        * libc/sys/linux/inode.c(__umask): New static routine.
        (umask): Written to use __umask and attempt to thread lock.
        (getumask): New function written to use __umask and thread lock.
        * libc/sys/linux/utimes.c: New file.
        * libc/sys/linux/sys/time.h: Fix utimes prototype.
        * libc/sys/linux/sys/utime.h: New file.

* Remove files (should have been done on 2002-06-20).

* process.c: Add comment.

* libtool.m4: New file.
* libc/sys/linux/process.c: Implement vfork in terms of fork,
rather than as a syscall.

2002-07-04  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/include/stdio.h: Add new prototypes.
        * libc/stdio/Makefile.am: Add fseeko.c and ftello.c.
        * libc/stdio/Makefile.in: Regenerated.
        * libc/stdio/fseek.c: Add fseeko documentation.
        * libc/stdio/ftell.c: Add ftello documentation.
        * libc/stdio/fseeko.c: New file.
        * libc/stdio/ftello.c: New file.

2002-07-04  Jeff Johnston  <jjohnstn@redhat.com>

        * libc/stdio/Makefile.am: Add asprintf.c and vasprintf.c.
        * libc/stdio/Makefile.in: Regenerated.
        * libc/stdio/asprintf.c: New file.
        * libc/stdio/vasprintf.c: Ditto.
        * libc/stdio/fvwrite.c: Add code to dynamically reallocate
        the buffer for asprintf support.
        * libc/stdio/sprintf.c: Add asprintf documentation.
        * libc/stdio/vfprintf.c: Add vasprintf documentation.
        * libc/include/stdio.h: Add new prototypes.

* fhandler_socket.cc (fhandler_socket::set_sun_path): Don't free
memory here.  Allow NULL parameter.

* 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.

* fhandler_socket.cc (fhandler_socket::dup): Add missing copy operation
on sun_path.

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.

* winsup.api/pthread/cancel1.c: New test. Port from pthreads-win32
project.
* winsup.api/pthread/cancel2.c: Ditto.
* winsup.api/pthread/cancel3.c: Ditto.
* winsup.api/pthread/cancel4.c: Ditto.
* winsup.api/pthread/cancel5.c: Ditto.

* 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.

2002-06-25  Thomas Pfaff  <tpfaff@gmx.net>

        * include/pthread.h (PTHREAD_CANCELED): Defined a reasonable
        value.
* pthread.cc (pthread_exit): Call method instead of function.
(pthread_setcancelstate): Ditto.
(pthread_setcanceltype): Ditto.
(pthread_testcancel): Ditto.
* thread.h (pthread::cancel_event): New member.
        (__pthread_cancel_self): New prototype.
(pthread::exit): New Method.
(pthread::cancel): Ditto.
(pthread::testcancel): Ditto.
(pthread::cancel_self): Ditto.
(pthread::static_cancel_self): Ditto.
(pthread::setcancelstate): Ditto.
(pthread::setcanceltype): Ditto.
(__pthread_cancel): Give c++ linkage.
(__pthread_exit): Remove.
(__pthread_setcancelstate): Ditto.
(__pthread_setcanceltype): Ditto.
(__pthread_testcancel): Ditto.
 * thread.cc (pthread::pthread): Inititialize cancel_event.
(pthread::~pthread): Close cancel_event if needed.
(pthread::create): Create cancel_event.
(pthread::exit): New method. Replacement for __pthread_exit.
(pthread::cancel): New method.
(pthread::testcancel): Ditto.
(pthread::static_cancel_self); New static method.
(pthread::setcancelstate): New method. Replacement for
__pthread_setcancelstate.
(pthread::setcanceltype): New method. Replacement for
__pthread_setcanceltype.
(pthread::pop_cleanup_handler): Added lock for async cancel safe
cancellation.
(pthread::thread_init_wrapper): Change __pthread_exit to
thread->exit().
(__pthread_cancel): Call method thread->cancel().
(__pthread_exit): Remove.
(__pthread_setcancelstate): Ditto.
(__pthread_setcanceltype): Ditto.
(__pthread_testcancel): Ditto.

* 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.

Let RPC API work with or without windows.h.

* include/rpc.h: Conditionally include <windows.h> before
header guard.
* include/wtypes.h: Include <rpc.h> and <rpcndr.h> before
header guard.

* 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.

2002-07-04  Michal Ludvig  <mludvig@suse.cz>

* gdbserver/linux-x86-64-low.c (x86_64_regmap): Make it an array of
byte offsets instead of an array of indexes.
(x86_64_store_gregset, x86_64_store_fpregset): Parameter made const.

* Makefile.in: Eliminate unneeded Makefile recreation rule.

*** empty log message ***

daily update

* configure.in: Make --without-x work.