Lowlevel system dependent code for Unix/Alpha.

Additional makefile for Unix on Alpha.

    * sysdeps/alpha/div_libc.h (_ITOFS): Use "sp" not "$sp".
        (_ITOFT, _FTOIT, _ITOFT2): Likewise.

2004-06-11  Roland McGrath  <roland@redhat.com>

* sysdeps/arm/strlen.S [__ARMEB__]: Compute correctly for big-endian.
From Krzysztof Halasa <khc@pm.waw.pl>.

(pthread_cond_t): Add __data.__futex field, reshuffle __data.__clock.

(FUTEX_CMP_REQUEUE): Define.
(lll_futex_requeue): Add val argument, use FUTEX_CMP_REQUEUE
internally.  Return non-zero if error, zero if success.

Add libc_hidden_builtin_def.

Use "+m" constraint instead
of separate "m" constraints.

2004-05-15  Chris Demetriou  <cgd@broadcom.com>

* sysdeps/mips/dl-machine.h (ELF_DL_FRAME_SIZE)
(ELF_DL_SAVE_ARG_REGS, ELF_DL_RESTORE_ARG_REGS): For the N32
and 64 ABIs, save and restore regs $10 and $11 (a6 and a7).

(pthread_cond_t): Add __broadcast_seq field.

Export __libc_alpha_cache_shape as a private symbol.

Linux/Alpha sysconf definitions.

Linux/Alpha startup code in ld.so.

    * sysdeps/alpha/div_libc.h (_ITOFS, _ITOFT, _FTOIT, _ITOFT2): New.
        * sysdeps/alpha/divl.S, sysdeps/alpha/divq.S, sysdeps/alpha/divqu.S,
        sysdeps/alpha/reml.S, sysdeps/alpha/remq.S, sysdeps/alpha/remqu.S:
        Use them.

Not needed anymore.

(F_SETOWN, F_GETOWN): Define if __USE_BSD or __USE_UNIX98.

2004-04-29  Philip Blundell  <pb@nexus.co.uk>

* sysdeps/arm/dl-machine.h (RTLD_START): Avoid unnecessary GOT
entries.

Use __attribute_used__.

(elf_machine_rela): Don't use INTUSE when calling _dl_signal_error.
(elf_machine_rel): Likewise.

Don't use x86 version.

hppa specific part of profiling code.

Entry point definition for hppa.

(SEM_VALUE_MAX): Jusr use a plain number.

Add bits/link.h elf/entry.h.

Dynamic linking definitions for HPPA.

(__hppa_init_bootstrap_fdesc_table):
Initialze the fdesc table for the generic code.
(elf_machine_dynamic): Use asm version.
(elf_machine_load_addresss): Simplify asm by calling
elf_machine_dynamic.
(elf_machine_fixup_plt): Correct comment.
(elf_machine_profile_fixup_plt): New.
(elf_machine_runtime_setup): Check PLT exists, if lazy=1  process
normally, else relocate all the absolute entries.
(RTLD_START): Fix comments.
(TRAMPOLINE_TEMPLATE): Reformat assembly, add return pointer for
calls to profile_fixup.
(ELF_MACHINE_SIZEOF_JMP_SLOT, DL_STATIC_FUNCTION_ADDRESS,
DL_PLATFORM_INIT): Define.
(DL_FUNCTION_ADDRESS): Remove.
(dl_platform_init): New.
(elf_machine_rela): Use generic fdesc code, and process all COPY
relocations. Use __attribute__((always_inline)).
(elf_machine_rela_relative): Add sanity checks, remove IPLT
processing, print error message in default case. Use
__attribute__((always_inline)).
(elf_machine_lazy_rel): Use __attribute__((always_inline)).

(feupdateenv): Use only sw[0] and call feraiseexcept.

Fix last commit.

(RTLD_START): Do not use nested .end.

(MQ_PRIO_MAX): Define.

(INTERNAL_SYSCALL): Add
LOAD_REGS_##nr.
(LOAD_ARGS_0, LOAD_ARGS_1, LOAD_ARGS_2, LOAD_ARGS_3, LOAD_ARGS_4)
(LOAD_ARGS_5, LOAD_ARGS_6): Load argument values into temporary
variables.
(LOAD_REGS_0, LOAD_REGS_1, LOAD_REGS_2, LOAD_REGS_3, LOAD_REGS_4)
(LOAD_REGS_5, LOAD_REGS_6): New macros to actually load the
syscall argument registers.

Add IUTF8.

    * sysdeps/alpha/remqu.S: Detect power-of-two special case.

    * sysdeps/alpha/Makefile <gnulib> (sysdep_routines): Merge divrem
        variable, add unsigned variants.
        * sysdeps/alpha/divrem.h: Remove file.
        * sysdeps/alpha/div_libc.h: New file.
        * sysdeps/alpha/divl.S: Rewrite from scratch.
        * sysdeps/alpha/reml.S: Likewise.
        * sysdeps/alpha/divq.S: Likewise.
        * sysdeps/alpha/remq.S: Likewise.
        * sysdeps/alpha/divlu.S: New file.
        * sysdeps/alpha/remlu.S: New file.
        * sysdeps/alpha/divqu.S: New file.
        * sysdeps/alpha/remqu.S: New file.

    * sysdeps/alpha/backtrace.c: New.

Define lll_mutex_cond_trylock.

(pthread_mutex_t): Add __spins field.

(__NR_pread, __NR_pwrite): Define to __NR_p{read,write}64 if not defined.

Move common syscalls for 64bit arches to
sysdeps/unix/sysv/linux/wordsize-64/syscalls.list.

Not needed anymore.

Implied additional directories.

Consolidated 64bit support for Linux.

    * sysdeps/alpha/s_fabs.S: Remove file.
        * sysdeps/alpha/s_copysign.S: Remove file.

    * math/Makefile (headers): Add bits/huge_valf.h, bits/huge_vall.h,
        and bits/inf.h.
        * math/math.h: Include them.

        * sysdeps/alpha/fpu/bits/mathdef.h, sysdeps/arm/fpu/bits/mathdef.h,
        sysdeps/generic/bits/mathdef.h, sysdeps/i386/fpu/bits/mathdef.h,
        sysdeps/ia64/fpu/bits/mathdef.h, sysdeps/m68k/fpu/bits/mathdef.h,
        sysdeps/mips/fpu/bits/mathdef.h, sysdeps/powerpc/fpu/bits/mathdef.h,
        sysdeps/sh/sh4/fpu/bits/mathdef.h, sysdeps/sparc/fpu/bits/mathdef.h,
        sysdeps/x86_64/fpu/bits/mathdef.h: Remove INFINITY.

        * sysdeps/arm/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val.
        (HUGE_VALF, HUGE_VALL): Remove.
        * sysdeps/ieee754/bits/huge_val.h: Likewise.
        * sysdeps/sh/bits/huge_val.h: Likewise.

        * sysdeps/generic/bits/huge_val.h (HUGE_VAL): Use __builtin_huge_val.
        * sysdeps/generic/bits/huge_valf.h: New file.
        * sysdeps/generic/bits/huge_vall.h: New file.
        * sysdeps/generic/bits/inf.h: New file.
        * sysdeps/ieee754/bits/huge_valf.h: New file.
        * sysdeps/ieee754/bits/inf.h: New file.
        * sysdeps/i386/bits/huge_val.h: Remove file.
        * sysdeps/i386/bits/huge_vall.h: New file.
        * sysdeps/ia64/bits/huge_val.h: Remove file.
        * sysdeps/ia64/bits/huge_vall.h: New file.
        * sysdeps/ieee754/ldbl-128/bits/huge_vall.h: New file.
        * sysdeps/m68k/bits/huge_val.h: Remove file.
        * sysdeps/m68k/bits/huge_vall.h: New file.
        * sysdeps/s390/bits/huge_val.h: Remove file.
        * sysdeps/sh/sh4/fpu/bits/huge_val.h: Remove file.
        * sysdeps/sparc/bits/huge_vall.h: New file.
        * sysdeps/sparc/sparc32/fpu/bits/huge_val.h: Remove file.
        * sysdeps/sparc/sparc64/fpu/bits/huge_val.h: Remove file.

        * sysdeps/ieee754/bits/nan.h (NAN): Use __builtin_nanf.
        * sysdeps/mips/bits/nan.h (NAN): Likewise.

strtold_l for m68k long double.

Not needed anymore.

    * sysdeps/unix/sysv/linux/alpha/select.S: Fix unwind.  Propagate
        oldvalue from CENABLE to CDISABLE.

    * sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h: Propagate
        oldvalue from CENABLE to CDISABLE.

Define HOST_NAME_MAX.

    * sysdeps/alpha/tcb-offsets.sym (PID_OFFSET): New.
        * sysdeps/unix/sysv/linux/alpha/pt-vfork.S: Save/restore PID.
        * sysdeps/unix/sysv/linux/alpha/vfork.S: New file.

    * sysdeps/unix/sysv/linux/alpha/kernel_stat.h (kernel_stat64): New.
        (glibc21_stat): New.
        * sysdeps/unix/sysv/linux/alpha/fxstat.c: New file.
        * sysdeps/unix/sysv/linux/alpha/lxstat.c: New file.
        * sysdeps/unix/sysv/linux/alpha/xstat.c: New file.
        * sysdeps/unix/sysv/linux/alpha/xstatconv.c (__xstat_conv): Add
        code for _STAT_VER_GLIBC2_3_4.
        (__libc_missing_axp_stat64): New.
        * sysdeps/unix/sysv/linux/alpha/xstatconv.h: New file.
        * sysdeps/unix/sysv/linux/alpha/bits/stat.h (__ST_TIME): New.
        (_STAT_VER_GLIBC2_3_4, _STAT_VER_KERNEL64): New.
        (struct stat, struct stat64): Update to new format.
        (_STATBUF_ST_NSEC): New.

(__old_glob, __old_globfree): Add attribute_compat_text_section.

(__old_wordexp): Add attribute_compat_text_section.

(ADJTIME): Add attribute_compat_text_section.

(isgreater, isgreaterequal, isless, islessequal, islessgreater): Remove;
use default.
(isunordered): Convert inputs to double.

Don't define via builtins.

    * sysdeps/alpha/soft-fp/ots_cvtxt.c (_OtsConvertFloatXT): Fix typo
        in name.

Use GLRO instead of GL where appropriate.

    * soft-fp/quad.h (union _FP_UNION_Q): Add longs structure.
        * sysdeps/alpha/Implies: Add alpha/soft-fp.
        * sysdeps/alpha/soft-fp/sfp-machine.h: Rewrite for GEM interface.
        * sysdeps/alpha/Subdirs, sysdeps/alpha/soft-fp/Makefile,
        sysdeps/alpha/soft-fp/Versions, sysdeps/alpha/soft-fp/local-soft-fp.h,
        sysdeps/alpha/soft-fp/ots_add.c, sysdeps/alpha/soft-fp/ots_cmp.c,
        sysdeps/alpha/soft-fp/ots_cmpe.c, sysdeps/alpha/soft-fp/ots_cvtqux.c,
        sysdeps/alpha/soft-fp/ots_cvtqx.c, sysdeps/alpha/soft-fp/ots_cvttx.c,
        sysdeps/alpha/soft-fp/ots_cvtxq.c, sysdeps/alpha/soft-fp/ots_cvtxt.c,
        sysdeps/alpha/soft-fp/ots_div.c, sysdeps/alpha/soft-fp/ots_mul.c,
        sysdeps/alpha/soft-fp/ots_nintxq.c, sysdeps/alpha/soft-fp/ots_sub.c:
        New files.

Use GLRO instead of GL where appropriate.

Use GLRO instead of GL where appropriate.

posix_fadvise implementation.

posix_fadvise64 implementation.

(posix_fadvise64): Remove.

(feholdexcept): Fix order of fp status register loads.

Alpha specific definition for ld.so.

(DL_ARGV_NOT_RELRO): Remove.

(DL_ARGV_NOT_RELRO): Define.

    * Versions.def (libm): Replace GLIBC_2.3.3 with GLIBC_2.3.4.
        * sysdeps/alpha/fpu/Versions (libm): Likewise.
        * sysdeps/alpha/fpu/cfloat-compat.h (cfloat_versions): Likewise.
        * sysdeps/alpha/fpu/s_clog10f.c (clog10f): Likewise.

Add readahead prototype.

2004-01-13  Daniel Jacobowitz  <drow@mvista.com>

* sysdeps/powerpc/nofpu/sim-full.c (__sim_exceptions)
(__sim_disabled_exceptions, __sim_round_mode): Declare with
hidden data and nocommon.
* sysdeps/powerpc/nofpu/soft-supp.h (__sim_exceptions)
(__sim_disabled_exceptions, __sim_round_mode): Use
libc_hidden_proto.
* sysdeps/powerpc/soft-fp/sfp-machine.h (__sim_exceptions)
(__sim_disabled_exceptions, __sim_round_mode): Likewise.

    * sysdeps/unix/alpha/sysdep.h: Revert last change.

    * sysdeps/unix/alpha/sysdep.h [PIC] (SYSCALL_ERROR_HANDLER): Use
        !samegp relocation.

    * sysdeps/alpha/dl-machine.h (RTLD_START): Use _dl_argv_internal.

    * sysdeps/alpha/tls.h (tcbhead_t): Add private.
        (TLS_INIT_TCB_SIZE, TLS_INIT_TCB_ALIGN, TLS_TCB_SIZE,
        TLS_PRE_TCB_SIZE, TLS_TCB_ALIGN, INSTALL_DTV, INSTALL_NEW_DTV,
        GET_DTV, THREAD_DTV, THREAD_SELF, DB_THREAD_SELF): Match ia64.
        (TLS_TCB_OFFSET, THREAD_ID, NO_TLS_OFFSET): Remove.
        (THREAD_GETMEM, THREAD_GETMEM_NC): Simplify.
        (THREAD_SETMEM, THREAD_SETMEM_NC): Likewise.
        * sysdeps/unix/sysv/linux/alpha/createthread.c (TLS_VALUE): Match ia64.

    * sysdeps/unix/sysv/linux/alpha/Makefile [stdlib]: Process
        ucontext-offsets.sym.
        * sysdeps/unix/sysv/linux/alpha/getcontext.S: New file.
        * sysdeps/unix/sysv/linux/alpha/makecontext.S: New file.
        * sysdeps/unix/sysv/linux/alpha/setcontext.S: New file.
        * sysdeps/unix/sysv/linux/alpha/swapcontext.S: New file.
        * sysdeps/unix/sysv/linux/alpha/ucontext-offsets.sym: New file.

    * sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Prefix stubs with
        __syscall_, move nop inside, adjust users by +4.

    * sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Fix typo.

    * sysdeps/alpha/Makefile: New file.
        * sysdeps/alpha/tcb-offsets.sym: New file.
        * sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h (SINGLE_THREAD_P):
        Use MULTIPLE_THREADS_OFFSET to implement !libpthread !libc version.

        * sysdeps/unix/sysv/linux/alpha/lowlevellock.h: Rewrite based
        on powerpc version.

    * sysdeps/alpha/bits/atomic.h (__arch_compare_and_exchange_xxx_8_int):
        Cast old up to uint64_t before back down to inner width.
        (__arch_compare_and_exchange_xxx_16_int): Likewise.
        (__arch_compare_and_exchange_xxx_32_int): Likewise.
        (__arch_compare_and_exchange_xxx_64_int): Likewise.
        (__arch_compare_and_exchange_val_8_int): Cast result to
        the type of the memory.
        (__arch_compare_and_exchange_val_16_int): Likewise.
        (__arch_compare_and_exchange_val_32_int): Likewise.
        (__arch_compare_and_exchange_val_64_int): Likewise.
        (atomic_compare_and_exchange_bool_acq): Use __atomic_bool_bysize.
        (atomic_compare_and_exchange_bool_rel): Likewise.

        * sysdeps/unix/alpha/sysdep.h: Select inline_syscall_r0_asm
        based on HAVE___THREAD instead of USE_TLS.

        * sysdeps/unix/sysv/linux/alpha/adjtime.c (ADJTIMEX32): New.
        (__adjtimex_tv64): Use it.

        * sysdeps/unix/sysv/linux/alpha/semctl.c (__new_semctl): Cast
        to void* rather than directly to the compatibility structure type.
        * sysdeps/unix/sysv/linux/alpha/shmctl.c (__new_shmctl): Likewise.

        * sysdeps/unix/sysv/linux/alpha/sigaction.c (struct kernel_sigaction):
        Forward declare.

* Versions.def (libm): Add GLIBC_2.3.3.
* sysdeps/alpha/fpu/Versions: Add __c1_c*f and c*f to GLIBC_2.3.3.
* sysdeps/alpha/fpu/cabsf.c, sysdeps/alpha/fpu/cargf.c,
sysdeps/alpha/fpu/cfloat-compat.h, sysdeps/alpha/fpu/cimagf.c,
sysdeps/alpha/fpu/conjf.c, sysdeps/alpha/fpu/crealf.c,
sysdeps/alpha/fpu/s_cacosf.c, sysdeps/alpha/fpu/s_cacoshf.c,
sysdeps/alpha/fpu/s_casinf.c, sysdeps/alpha/fpu/s_casinhf.c,
sysdeps/alpha/fpu/s_catanf.c, sysdeps/alpha/fpu/s_catanhf.c,
sysdeps/alpha/fpu/s_ccosf.c, sysdeps/alpha/fpu/s_ccoshf.c,
sysdeps/alpha/fpu/s_cexpf.c, sysdeps/alpha/fpu/s_clog10f.c,
sysdeps/alpha/fpu/s_clogf.c, sysdeps/alpha/fpu/s_cpowf.c,
sysdeps/alpha/fpu/s_cprojf.c, sysdeps/alpha/fpu/s_csinf.c,
sysdeps/alpha/fpu/s_csinhf.c, sysdeps/alpha/fpu/s_csqrtf.c,
sysdeps/alpha/fpu/s_ctanf.c, sysdeps/alpha/fpu/s_ctanhf.c: New files.
* sysdeps/alpha/fpu/bits/mathdef.h: Rename complex float
functions for gcc 3.3.

* sysdeps/generic/s_cacosf.c, sysdeps/generic/s_cacoshf.c,
sysdeps/generic/s_casinf.c, sysdeps/generic/s_casinhf.c,
sysdeps/generic/s_catanf.c, sysdeps/generic/s_catanhf.c,
sysdeps/generic/s_ccosf.c, sysdeps/generic/s_ccoshf.c,
sysdeps/generic/s_cexpf.c, sysdeps/generic/s_clog10f.c,
sysdeps/generic/s_clogf.c, sysdeps/generic/s_cpowf.c,
sysdeps/generic/s_cprojf.c, sysdeps/generic/s_csinf.c,
sysdeps/generic/s_csinhf.c, sysdeps/generic/s_csqrtf.c,
sysdeps/generic/s_ctanf.c, sysdeps/generic/s_ctanhf.c: Don't
weak_alias if the function name has been #defined.

* math/cabsf.c: Move ...
* sysdeps/generic/cabsf.c: ... here.
* math/cargf.c: Move ...
* sysdeps/generic/cargf.c: ... here.
* math/cimagf.c: Move ...
* sysdeps/generic/cimagf.c: ... here.
* math/conjf.c: Move ...
* sysdeps/generic/conjf.c: ... here.
* math/crealf.c: Move ...
* sysdeps/generic/crealf.c: ... here.

2003-12-11  Ulrich Weigand  <uweigand@de.ibm.com>

* sysdeps/alpha/tls.h (DB_THREAD_SELF): Pass bit size of thread
register as second parameter to the REGISTER macro.
* sysdeps/ia64/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/powerpc/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/sh/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/sparc/tls.h (DB_THREAD_SELF): Likewise.
* sysdeps/s390/tls.h (DB_THREAD_SELF): Pass __WORDSIZE as bit size
of thread register as second parameter to REGISTER macro in 64 case.

Avoid matching memory constraints.

Setjmp buffer unwinding helper code for Alpha.

(__clone) [PIC]: Save PIC, reload PIC if we need to call __syscall_error,
cleanup asm.

(fesetexceptflag): Set enable bits not raised exception bits.

(feraiseexcept): Add delayed exception flushing, FE_UNDERFLOW is DBL_MIN/3.0,
FE_INEXACT is triggered by M_PI/69.69 converted to single precision.

(feupdateenv): Read raised exception bits, OR with envp, pass to fesetenv.

(fesetenv): Use asm 'ma,' completer, and gcc '+r' constraint.

(feholdexcept): Use asm 'ma,' completer, and gcc '+r' constraint.

(fegetenv): use asm 'ma,' completer, and gcc '+r' constraint.

(feclearexcept): Right shift FE_ALL_EXCEPT before complimenting.

DL_LOOKUP_ADDRESS must clear PLABEL32 bits, define DL_AUTO_FUNCTION_ADDRESS and
DL_STATIC_FUNCTION_ADDRESS, DL_DT_INIT_ADDRESS and DL_DT_FINI_ADDRESS use the
previous two macros.

(_dl_symbol_address): Use _dl_make_ftpr, remove const qualifier for map.
(_dl_function_address): Removed.

Not needed anymore.

Configuration for hppa function descriptor handling.

Add dl-symaddr and dl-fptr to the correct build strings.

Mark sqrt_data as used.

(__fegetexceptflag): Add masking of fenv.

(PSEUDO_ERRVAL)
(PSEUDO_END_ERRVAL, ret_ERRVAL): Define.