8aab2bc260
* libc/stdio/vfprintf.c [_WANT_IO_LONG_LONG]: Allow non-gcc
...
compilers.
* libc/stdio/vfscanf.c: Likewise.
2007-05-18 14:33:30 +00:00
b2250c70bd
2007-05-17 Cary R. <cygcary <at> yahoo.com>
...
* libm/math/w_atan2.c: Fix atan2 to be consistent with glibc
(atan2(+0,-0), atan2(-0,-0) and atan(-0,+0))
* libm/math/wf_atan2.c: Ditto.
2007-05-17 21:52:11 +00:00
e0500490bc
2007-05-17 Yaakov Selkowitz <yselkowitz <at> users.sourceforge.net>
...
* libm/common/Makefile.am: Add support for exp10, exp10f,
pow10, and pow10f functions.
* libm/common/Makefile.in: Regenerated.
* libm/common/s_pow10.c: New file.
* libm/common/sf_pow10.c: Ditto.
* libm/common/s_exp10.c: Ditto.
* libm/common/sf_exp10.c: Ditto.
* libc/include/math.h [!pow10]: New pow10 prototype.
[!pow10f]: New pow10f prototype.
[!exp10]: New exp10 prototype.
[!exp10f]: New exp10f prototype.
2007-05-17 18:50:57 +00:00
487e9075d0
* stdio/tmpfile.c: Include <sys/stat.h>.
...
* stdio64/tmpfile64.c: Ditto.
2007-05-17 12:10:29 +00:00
d009633d30
Close security hole in tmpfile.
...
* libc/stdio/tmpfile.c (_tmpfile_r): Avoid window between filename
generation and opening the fd.
* libc/stdio64/tmpfile64.c (_tmpfile64_r): Likewise.
2007-05-16 20:06:08 +00:00
895d76fed6
* libc/include/math.h (INFINITY, NAN, FP_ILOGB0, FP_ILOGBNAN)
...
(MATH_ERRNO, MATH_ERREXCEPT, math_errhandling): Add macros
required by POSIX.
* libc/stdlib/ldtoa.c (USE_INFINITY): Rename from INFINITY, to
avoid clash with <math.h>.
2007-05-16 19:59:40 +00:00
f65607751c
* libc/stdlib/wctomb_r.c (_wctomb_r): Avoid gcc warnings on cygwin.
...
* libc/search/hash.c (__hash_open): Likewise.
2007-05-16 19:31:08 +00:00
2ba0944446
2007-05-16 Paolo Bonzini <bonzini@gnu.org>
...
* Makefile.def (bootstrap_stage): Replace stage_make_flags with
stage_cflags.
* Makefile.tpl (POSTSTAGE1_HOST_EXPORTS, POSTSTAGE1_FLAGS_TO_PASS):
Remove CFLAGS/LIBCFLAGS.
(configure-stage[+id+]-[+prefix+][+module+],
all-stage[+id+]-[+prefix+][+module+]): Pass it from [+stage_cflags+].
* Makefile.in: Regenerate.
2007-05-16 09:03:22 +00:00
f9a963b8a0
* fhandler_socket.cc (adjust_socket_file_mode): New inline function.
...
(fhandler_socket::fchmod): Squeeze mode through adjust_socket_file_mode
before using it.
(fhandler_socket::bind): Ditto.
2007-05-15 16:33:20 +00:00
90c2ba7806
* path.cc (fs_info::update): Set and use is_cdrom.
...
* path.cc (fillout_mntent): Set ret.mnt_type to something more Linux-like,
based on data from fs_info. Move "system" and "user" strings from mnt_type to
mnt_opts.
* path.h (struct fs_info): Add is_cdrom field.
* path.h (fs_info::clear): Initialize is_cdrom.
* path.h (struct fs_info): Add IMPLEMENT_STATUS_FLAG(bool,is_cdrom).
* path.h (class path_conv): Add fs_is_cdrom method. Add missing fs_is_netapp
method.
2007-05-15 01:27:30 +00:00
22ed94e503
* cygwin.din (asnprintf, dprint, _Exit, vasnprintf, vdprintf): Export.
...
* include/cygwin/version.h: Bump API minor number.
2007-05-15 01:23:30 +00:00
34507ce026
Reduce stack size of *printf.
...
* libc/stdio/vfprintf.c (_VFPRINTF_R): Fix use of decimal point
in %f. Avoid malloc when possible for %S.
(BUF): Improve stack locality by using smaller size.
(MAXEXPLEN, _PRINTF_FLOAT_TYPE): Define.
(exponent): Use smaller stack size.
2007-05-14 19:42:47 +00:00
7b63e3a697
include/elf/
...
* spu.h (R_SPU_ADDR16X): Define.
(R_SPU_PPU32, R_SPU_PPU64): Renumber.
bfd/
* elf32-spu.c (elf_howto_table): Add howto for R_SPU_ADDR16X.
2007-05-12 06:45:32 +00:00
0962fe9178
Minimize printf/scanf size on platforms that don't need C99.
...
* acconfig.h (_WANT_IO_C99_FORMATS): New macro.
* newlib.hin (_WANT_IO_C99_FORMATS): Likewise.
* configure.in (newlib-io-c99-formats): New configure option.
(_WANT_IO_C99_FORMATS): Define appropriately.
* configure.host (*-linux*, cygwin): Default c99-formats to yes.
* libc/stdio/vfprintf.c (_VFPRINTF_R) [!_WANT_IO_C99_FORMATS]:
Cripple ' flag; hh, z, j, t sizes; a, A, F, C, S specifiers.
* libc/stdio/vfscanf.c (_VFSCANF_R) [!_WANT_IO_C99_FORMATS]:
Likewise.
* configure: Regenerate.
2007-05-11 20:09:00 +00:00
b8a37af936
* libc/stdio/vfprintf.c (_VFPRINTF_R, cvt, exponent, chclass)
...
(get_arg): Support '%a' and '%A'.
2007-05-11 13:09:44 +00:00
a7af95ad76
include/elf/
...
* spu.h (R_SPU_PPU32, R_SPU_PPU64): Define.
bfd/
* reloc.c (BFD_RELOC_SPU_PPU32, BFD_RELOC_SPU_PPU64): Define.
* elf-bfd.h (struct elf_backend_data): Change return type of
elf_backend_relocate_section to int.
* elf32-spu.c (elf_howto_table): Add howtos for R_SPU_PPU32 and
R_SPU_PPU64.
(spu_elf_bfd_to_reloc_type): Convert new relocs.
(spu_elf_count_relocs): New function.
(elf_backend_count_relocs): Define.
(spu_elf_relocate_section): Arrange to emit R_SPU_PPU32 and
R_SPU_PPU64 relocs.
* elflink.c (elf_link_input_bfd): Emit relocs if relocate_section
returns 2.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
gas/
* config/tc-spu.c (md_pseudo_table): Add int, long, quad. Call
spu_cons for word.
(md_assemble): Tidy use of insn.flag.
(get_imm): Likewise. Handle uppercase input too.
(spu_cons): New function.
* config/tc-spu.h (tc_fix_adjustable): Don't adjust SPU_PPU relocs.
(TC_FORCE_RELOCATION): Don't resolve them either.
binutils/
* embedspu.sh (find_prog): Prefer prog in same dir as embedspu
over one found on the users path.
(main): Generate .reloc for each R_SPU_PPU* reloc.
2007-05-11 03:10:10 +00:00
81274c6726
Allow zero size with non-null buf in *asnprintf.
...
* libc/stdio/asnprintf.c (_asnprintf_r, asnprintf): Avoid free'ing
user's buf.
* libc/stdio/asniprintf.c (_asniprintf_r, asniprintf): Likewise.
* libc/stdio/vasniprintf.c (_vasniprintf_r): Likewise.
* libc/stdio/vasnprintf.c (_vasnprintf_r): Likewise.
2007-05-09 19:27:30 +00:00
38ed4e5111
* libc/stdio/vfprintf.c: Fix typo in comments that breaks docs.
2007-05-08 03:59:13 +00:00
22af2ce141
* include/stdint.h (intptr_t): Fix typo.
...
Thanks to Charles Wilson for report.
2007-05-08 03:19:28 +00:00
eb4b7204c2
merge from gcc
2007-05-08 01:29:28 +00:00
993e75f677
* include/stdint.h (intptr_t): Protect with _INTPTR_T_DEFINED.
...
Condition on _WIN64.
(uintptr_t): Protect with _UINTPTR_T_DEFINED. Condition on _WIN64.
(INTPTR_MIN, INTPTR_MAX, UINTPTR_MAX): Condition on _WIN64.
(PTRDIFF_MIN): Define as INTPTR_MIN.
(PTRDIFF_MAX): Define as INTPTR_MAX.
(SIG_ATOMIC_MIN): Define as INTPTR_MIN.
(SIG_ATOMIC_MAX): Define as INTPTR_MAX.
2007-05-07 23:42:27 +00:00
8f954ad3f8
2007-05-07 Patrick Mansfield <patmans@us.ibm.com>
...
* spu/open.c: Unconditionally set the "mode" to fix a bug where
mode was not properly set.
2007-05-07 22:22:05 +00:00
b9db529222
Add support for asnprintf, and improve *printf documentation.
...
* libc/stdio/Makefile.am (ELIX_SOURCES): Rename...
(ELIX_2_SOURCES): ...to this.
(ELIX_4_SOURCES): Add new variable. Build asnprintf.
(GENERAL_SOURCES): Move dprintf to ELIX_4_SOURCES.
(CHEWOUT_FILES): Include diprintf in documentation.
* libc/stdio/Makefile.in: Regenerate.
* libc/stdio/diprintf.c: Improve documentation.
* libc/stdio/dprintf.c: Likewise.
* libc/stdio/siprintf.c: Likewise.
* libc/stdio/sprintf.c: Likewise.
* libc/stdio/vfprintf.c: Likewise.
* libc/stdio/viprintf.c: Likewise.
* libc/stdio/vsniprintf.c: Consolidate documentation.
* libc/stdio/asiprintf.c: Refer to documentation.
* libc/stdio/asprintf.c: Likewise.
* libc/stdio/fiprintf.c: Likewise.
* libc/stdio/fprintf.c: Likewise.
* libc/stdio/iprintf.c: Likewise.
* libc/stdio/printf.c: Likewise.
* libc/stdio/sniprintf.c: Likewise.
* libc/stdio/vdiprintf.c: Likewise.
* libc/stdio/vdprintf.c: Likewise.
* libc/stdio/vsiprintf.c: Likewise.
* libc/stdio/fvwrite.c (__sfvwrite_r): Handle asnprintf.
* libc/stdio/asniprintf.c (asniprintf, _asniprintf_r): New file.
* libc/stdio/asnprintf.c (asnprintf, _asnprintf_r): New file.
* libc/stdio/vasniprintf.c (vasniprintf, _vasniprintf_r): New
file.
* libc/stdio/vasnprintf.c (vasnprintf, _vasnprintf_r): New file.
* libc/stdio/vdprintf.c (_vdprintf_r): Rewrite to avoid malloc in
typical case.
* libc/stdio/vdiprintf.c (_vdiprintf_r): Likewise.
* libc/include/stdio.h: Add prototypes for new functions; sort
existing functions.
2007-05-04 02:55:16 +00:00
fb3937fade
* libc/machine/m68k/Makefile.am (lib_a_SOURCES): Add memcpy.S
...
and memset.S.
* libc/machine/m68k/Makefile.in: Regenerate.
* libc/machine/m68k/memcpy.S: Use sub.l followed by dbra.
* libc/machine/m68k/memset.S: Likewise.
2007-05-03 19:45:26 +00:00
a562045661
* m68k/fido-_exit.c (_exit): Use stop #0x700.
2007-05-03 01:19:45 +00:00
c7e9b095ac
include/elf/
...
* internal.h (ELF_IS_SECTION_IN_SEGMENT): Check both file offset
and vma for appropriate sections.
bfd/
* elf.c (assign_file_positions_for_load_sections): Set sh_offset
here. Set sh_type to SHT_NOBITS if we won't be allocating
file space. Don't bump p_memsz for non-alloc sections. Adjust
section-in-segment check.
(assign_file_positions_for_non_load_sections): Don't set sh_offset
here for sections that have already been handled above.
2007-05-02 13:44:36 +00:00
211f9f1fce
gas/
...
PR 4448
* config/tc-ppc.c (ppc_insert_operand): Don't increase min for
PPC_OPERAND_PLUS1.
include/opcode/
* ppc.h (PPC_OPERAND_PLUS1): Update comment.
2007-05-02 11:24:17 +00:00
b4f095585f
* libc/stdio64/local64.h: Delete, move contents to...
...
* libc/stdio/local.h: ...here.
* libc/stdio64/fdopen64.c: Update includes.
* libc/stdio64/fopen64.c: Likewise.
* libc/stdio64/freopen64.c: Likewise.
* libc/stdio64/fseeko64.c: Likewise.
* libc/stdio64/ftello64.c: Likewise.
* libc/stdio/findfp.c (std) [__LARGE64_FILES]: Open stdin, stdout,
and stderr with 64-bit offset.
* libc/stdio/fseek.c (_fseek_r): Avoid compile warning.
* libc/stdio/makebuf.c (__smakebuf_r): Likewise.
* libc/stdio/mktemp.c (_gettemp): Likewise.
2007-05-01 23:03:36 +00:00
2babeb3d94
2007-05-01 Cary R. <cygcary <at> yahoo.com>
...
* libm/math/e_pow.c: Fix to be consistent with glibc with regards
to treatment of NaN and +-inf arguments.
* libm/math/ef_pow.c: Ditto.
* libm/math/w_pow.c: Ditto.
* libm/math/wf_pow.c: Ditto.
* libm/math/w_acos.c: Fix domain errors to return NaN.
* libm/math/w_asin.c: Ditto.
* libm/math/wf_acos.c: Ditto.
* libm/math/wf_asin.c: Ditto.
* libm/math/w_log.c: Fix to return NaN for negative number inputs.
* libm/math/wf_log.c: Ditto.
* libm/math/wf_log10.c: Ditto.
* libm/math/w_log10.c: Ditto.
2007-05-01 18:42:15 +00:00
bb57ddfeb7
bfd/
...
* elf32-spu.c (struct spu_link_hash_table): Add stack_analysis
and emit_stack_syms bitfields.
(get_sym_h): Read all symbols if stack analysis will be done.
(spu_elf_create_sections): Add stack_analysis and emit_stack_syms
params, and stash in hash table.
(is_hint): Split off from..
(is_branch): ..here. Adjust callers.
(spu_elf_size_stubs): Add stack_analysis param. Arrange to read
and keep all syms.
(write_one_stub): Fix mem leak.
(find_function_stack_adjust): New function.
(sort_syms_syms, sort_syms_psecs): New vars.
(sort_syms): New function.
(struct call_info, struct function_info): New.
(struct spu_elf_stack_info): New.
(alloc_stack_info, maybe_insert_function, func_name): New functions.
(is_nop, insns_at_end, check_function_ranges): Likewise.
(find_function, insert_callee, mark_functions_via_relocs): Likewise.
(pasted_function, interesting_section, discover_functions): Likewise.
(mark_non_root, call_graph_traverse, build_call_tree): Likewise.
(sum_stack, spu_elf_stack_analysis, spu_elf_final_link): Likewise.
(bfd_elf32_bfd_final_link): Define.
* elf32-spu.h (struct _spu_elf_section_data): Add stack_info field.
(spu_elf_create_sections, spu_elf_size_stubs): Update prototypes.
include/
* bfdlink.h (struct bfd_link_info): Add "info" and "minfo".
ld/
* ldmain.c (link_callbacks): Init info and minfo fields.
* ldmisc.c (minfo): Do nothing if no map file.
* emultempl/spuelf.em (stack_analysis, emit_stack_syms): New vars.
(spu_after_open): Adjust spu_elf_create_sections call.
(spu_before_allocation): Likewise for spu_elf_size_stubs.
(OPTION_SPU_STACK_ANALYSIS, OPTION_SPU_STACK_SYMS): Define.
(PARSE_AND_LIST_LONGOPTS): Add new entries.
(PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Likewise.
* gen-doc.texi: Add @set for SPU and other missing targets.
* ld.texinfo: Update man page selection to match gen-doc.texi.
Document SPU features.
2007-04-30 14:06:40 +00:00
643aff874d
2007-04-27 Jeff Johnston <jjohnstn@redhat.com>
...
* libc/machine/m68k/Makefile.am: Temporarily remove
memcpy.S and memset.S until logic can be confirmed for
!(__mcoldfile__) case.
* libc/machine/m68k/Makefile.in: Regenerated.
2007-04-27 22:10:47 +00:00
9e5957de57
2007-04-27 Kazu Hirata <kazu@codesourcery.com>
...
* libc/machine/m68k/Makefile.am (lib_a_SOURCES): Add memcpy.S
and memset.S.
* libc/machine/m68k/Makefile.in: Regenerate.
* libc/machine/m68k/memcpy.S, libc/machine/m68k/memset.S: New.
2007-04-27 16:05:35 +00:00
7369eb7af3
2007-04-27 Kazu Hirata <kazu@codesourcery.com>
...
* libgloss/m68k/fido.sc: Catch .text.*, .rodata.*, .data.*,
.bss.*, .ctor.*, and .dtor.*. Wrap ctor/dtor-related sections
with KEEP.
2007-04-27 16:00:45 +00:00
5682d0f1a7
* include/cygwin/time.h: Use __cdecl on declaration. Remove
...
declarations which are duplicated in include/time.h.
2007-04-27 13:34:25 +00:00
2388178da8
Write Mimi's name in ASCII.
2007-04-27 03:37:43 +00:00
976e9d281b
2007-04-26 Patrick Mansfield <patmans@us.ibm.com>
...
* libc/include/ieeefp.h: use prefixed __ieeefp_ macros that can be
overridden via machine/ieeefp.h.
* libc/include/machine/ieeefp.h: Add SPU specific C99 and ieeefp
macros for isnan and related macros.
* libc/include/math.h: Allow C99 isfinite, isinf, and isnan to be
overridden via machine/ieeefp.h.
* libm/machine/spu/Makefile.am: Add new files.
* libm/machine/spu/Makefile.in: Autogenerate with new files.
* libm/machine/spu/sf_fpclassify.c: Add SPU specific __fpclassifyf.
* libm/machine/spu/sf_finite.c: Add SPU specific finitef.
* libm/machine/spu/sf_isinf.c: Add SPU specific isinff.
* libm/machine/spu/sf_isinff.c: Add SPU specific __isinff.
* libm/machine/spu/sf_isnan.c: Add SPU specific isnanf.
* libm/machine/spu/sf_isnanf.c: Add SPU specific __isnanf.
* libm/machine/spu/sf_nan.c: Add SPU specific nanf.
2007-04-26 19:23:37 +00:00
0e78d0f675
Revert the value change of DT_ENCODING from 2003-01-17. Luckily (and
...
surprisingly) the value isn't really being used anywhere, henc no other
changes are needed.
include/elf/
2007-04-26 Jan Beulich <jbeulich@novell.com>
* common.h (DT_ENCODING): Correct value (back to spec mandated
value).
2007-04-26 06:59:55 +00:00
9c6c22286c
merge from gcc
2007-04-26 03:13:46 +00:00
34450bd565
2007-04-25 Jeff Johnston <jjohnstn@redhat.com>
...
* libm/common/s_fpclassify.c (__fpclassifyf): Move this to...
* libm/common/sf_fpclassify.c: ...here. New file.
* libm/common/Makefile.am: Add sf_fpclassify.c.
* libm/common/Makefile.in: Regenerated.
2007-04-25 22:28:19 +00:00
42cd3e6c52
2007-04-25 Patrick Mansfield <patmans@us.ibm.com>
...
* libc/machine/spu/sys/errno.h: New file, so spu errno values match
ppu linux values. This file is a copy of the cris/sys/errno.h plus
a few changes (see spu errno.h comments).
2007-04-25 20:45:39 +00:00
8b36608695
2007-04-25 Eric Blake <ebb9@byu.net>
...
* libc/stdio/vfprintf.c (get_arg): Support %1$lc. Simplify types
that promote to int.
2007-04-25 19:47:36 +00:00
245240b5e9
2007-04-25 Patrick Mansfield <patmans@us.ibm.com>
...
* feholdexcept.h: Use *envp not env so we clear the proper bits in
the fpscr, and don't set some random ones.
2007-04-25 17:36:32 +00:00
5866c02352
* libc/stdio/vfprintf.c (_VFPRINTF_R): Don't zero pad on infinity
...
or NaN with %05f.
2007-04-24 20:09:50 +00:00
27e5e9ab05
* libc/stdio/vfprintf.c (_VFPRINTF_R): Avoid multibyte when not
...
_MB_CAPABLE.
2007-04-24 19:55:28 +00:00
68f2517f72
* libc/include/limits.h (NL_ARGMAX): Define a default value.
...
* libc/stdio/vfprintf.c (MAX_POS_ARGS): Define in terms of
NL_ARGMAX, if present.
2007-04-24 16:01:15 +00:00
714d0b7a88
2007-04-23 Ralf Wildenhues <Ralf.Wildenhues <at> gmx.de>
...
* confsubdir.m4 (AC_CONFIG_SUBDIRS, _AC_OUTPUT_SUBDIRS): New
file. Override Autoconf-2.59's version of these macros with
fixed handling of multiple adjacent whitespace in arguments.
* aclocal.m4: Regenerated forcefully.
* configure: Ditto.
* Makefile.in: Ditto.
* libc/*Makefile.in: Ditto.
* libc/*aclocal.m4: Ditto.
* libc/*configure: Ditto.
* libm/*Makefile.in: Ditto.
* libm/*aclocal.m4: Ditto.
* libm/*configure: Ditto.
2007-04-23 22:52:37 +00:00
930b1861ce
2007-04-23 Brian Dessent <brian@dessent.net>
...
* libc/stdio/vfprintf.c (_vfprintf_r): When the alternate-form flag
has been specified with types 'f', 'F', 'g', or 'G', ensure the
trailing decimal is printed.
2007-04-23 21:55:31 +00:00
8aebc414ec
2007-04-23 Jeff Johnston <jjohnstn@redhat.com>
...
* libc/sys/arc/dummy.S: Dummy file to force .S.o suffix rule.
* libc/sys/arc/Makefile.am: Add dummy.S to EXTRA_lib_a_SOURCES
and set lib_a_CCASFLAGS so crto.o will use .S.o default suffix rule.
* libc/sys/arc/Makefile.in: Regenerated.
2007-04-23 19:46:08 +00:00
1974731bb6
gas/testsuite/
...
* gas/m68k/br-isaa.s: New.
* gas/m68k/br-isaa.d: New.
* gas/m68k/br-isab.s: New.
* gas/m68k/br-isab.d: New.
* gas/m68k/br-isac.s: New.
* gas/m68k/br-isac.d: New.
* gas/m68k/all.exp: Adjust.
gas/
* config/tc-m68k.c (mcf54455_ctrl): New.
(HAVE_LONG_DISP, HAVE_LONG_CALL, HAVE_LONG_COND): New.
(m68k_archs): Add isac.
(m68k_cpus): Add 54455 family.
(m68k_ip): Split Bg into Bb, Bs, Bg.
(m68k_elf_final_processing): Add ISA_C.
* doc/c-m68k.texi (M680x0 Options): Add isac.
include/opcode/
* m68k.h (mcfisa_c): New.
(mcfusp, mcf_mask): Adjust.
bfd/
* archures.c (bfd_mach_mcf_isa_c, bfd_mach_mcf_isa_c_mac,
bfd_mach_mcf_isa_c_emac): New.
* elf32-m68k.c (ISAC_PLT_ENTRY_SIZE, elf_isac_plt0_entry,
elf_isac_plt_entry, elf_isac_plt_info): New.
(elf32_m68k_object_p): Add ISA_C.
(elf32_m68k_print_private_bfd_data): Print ISA_C.
(elf32_m68k_get_plt_info): Detect ISA_C.
* cpu-m68k.c (arch_info): Add ISAC.
(m68k_arch_features): Likewise,
(bfd_m68k_compatible): ISAs B & C are not compatible.
opcodes/
* m68k-opc.c: Mark mcfisa_c instructions.
2007-04-23 07:51:30 +00:00
862eba8666
2007-04-22 Chris Sutcliffe <ir0nh34d@users.sourceforge.net>
...
* include/shellapi.h (NOTIFYICONDATAA, NOTIFYICONDATAW): Updated to support
Vista.
2007-04-22 11:25:07 +00:00
Eric Blake
Jeff Johnston
Paolo Bonzini
Corinna Vinschen
Christopher Faylor
Alan Modra
Danny Smith
DJ Delorie
Kazu Hirata
Jan Beulich
Nathan Sidwell
Chris Sutcliffe