glibc/sysdeps/unix/sysv/linux/m68k/sysdep.h

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/* Copyright (C) 1996, 1997, 1998, 2000, 2003, 2004, 2006, 2010
Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>,
December 1995.
The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
2006-10-03 Richard Sandiford <richard@codesourcery.com> * sysdeps/m68k/bits/mathdef.h: Moved from sysdeps/m68k to sysdeps/m68k/m680x0. * sysdeps/m68k/m68020/submul_1.S: Likewise. * sysdeps/m68k/m68020/Makefile: Likewise. * sysdeps/m68k/m68020/mul_1.S: Likewise. * sysdeps/m68k/m68020/wordcopy.S: Likewise. * sysdeps/m68k/m68020/addmul_1.S: Likewise. * sysdeps/m68k/m68020/bits/string.h: Likewise. * sysdeps/m68k/m68020/bits/atomic.h: Likewise. * sysdeps/m68k/sub_n.S: Likewise. * sysdeps/m68k/add_n.S: Likewise. * sysdeps/m68k/s_isnanl.c: Likewise. * sysdeps/m68k/fpu/s_log1p.c: Likewise. * sysdeps/m68k/fpu/e_asinf.c: Likewise. * sysdeps/m68k/fpu/s_cosl.c: Likewise. * sysdeps/m68k/fpu/s_isinff.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/s_ccos.c: Likewise. * sysdeps/m68k/fpu/s_expm1.c: Likewise. * sysdeps/m68k/fpu/slowexp.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/s_ccoshf.c: Likewise. * sysdeps/m68k/fpu/s_ilogbl.c: Likewise. * sysdeps/m68k/fpu/Makefile: Likewise. * sysdeps/m68k/fpu/s_expm1f.c: Likewise. * sysdeps/m68k/fpu/s_significandf.c: Likewise. * sysdeps/m68k/fpu/e_pow.c: Likewise. * sysdeps/m68k/fpu/s_csinh.c: Likewise. * sysdeps/m68k/fpu/e_exp.c: Likewise. * sysdeps/m68k/fpu/s_remquof.c: Likewise. * sysdeps/m68k/fpu/s_ilogbf.c: Likewise. * sysdeps/m68k/fpu/s_truncl.c: Likewise. * sysdeps/m68k/fpu/s_frexpf.c: Likewise. * sysdeps/m68k/fpu/s_cos.c: Likewise. * sysdeps/m68k/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/fpu/branred.c: Likewise. * sysdeps/m68k/fpu/s_frexpl.c: Likewise. * sysdeps/m68k/fpu/s_atan.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/e_scalbl.c: Likewise. * sysdeps/m68k/fpu/e_exp2.c: Likewise. * sysdeps/m68k/fpu/s_cexpf.c: Likewise. * sysdeps/m68k/fpu/mplog.c: Likewise. * sysdeps/m68k/fpu/s_rintf.c: Likewise. * sysdeps/m68k/fpu/s_tanh.c: Likewise. * sysdeps/m68k/fpu/e_scalbf.c: Likewise. * sysdeps/m68k/fpu/s_csinhl.c: Likewise. * sysdeps/m68k/fpu/s_floorl.c: Likewise. * sysdeps/m68k/fpu/k_tanf.c: Likewise. * sysdeps/m68k/fpu/k_tanl.c: Likewise. * sysdeps/m68k/fpu/e_fmodf.c: Likewise. * sysdeps/m68k/fpu/e_atanhf.c: Likewise. * sysdeps/m68k/fpu/s_isnanf.c: Likewise. * sysdeps/m68k/fpu/s_fpclassifyl.c: Likewise. * sysdeps/m68k/fpu/s_modf.c: Likewise. * sysdeps/m68k/fpu/e_log2.c: Likewise. * sysdeps/m68k/fpu/e_acosf.c: Likewise. * sysdeps/m68k/fpu/s_log1pl.c: Likewise. * sysdeps/m68k/fpu/e_log2f.c: Likewise. * sysdeps/m68k/fpu/mpa.c: Likewise. * sysdeps/m68k/fpu/t_exp.c: Likewise. * sysdeps/m68k/fpu/e_acos.c: Likewise. * sysdeps/m68k/fpu/s_expm1l.c: Likewise. * sysdeps/m68k/fpu/s_ccoshl.c: Likewise. * sysdeps/m68k/fpu/s_sinf.c: Likewise. * sysdeps/m68k/fpu/k_tan.c: Likewise. * sysdeps/m68k/fpu/k_cosl.c: Likewise. * sysdeps/m68k/fpu/e_remainder.c: Likewise. * sysdeps/m68k/fpu/s_trunc.c: Likewise. * sysdeps/m68k/fpu/s_sincos.c: Likewise. * sysdeps/m68k/fpu/s_scalbnl.c: Likewise. * sysdeps/m68k/fpu/s_finitef.c: Likewise. * sysdeps/m68k/fpu/s_tanhl.c: Likewise. * sysdeps/m68k/fpu/s_lrintl.c: Likewise. * sysdeps/m68k/fpu/slowpow.c: Likewise. * sysdeps/m68k/fpu/mpexp.c: Likewise. * sysdeps/m68k/fpu/s_isnanl.c: Likewise. * sysdeps/m68k/fpu/e_expf.c: Likewise. * sysdeps/m68k/fpu/s_significand.c: Likewise. * sysdeps/m68k/fpu/e_sinhf.c: Likewise. * sysdeps/m68k/fpu/s_tanl.c: Likewise. * sysdeps/m68k/fpu/s_tanhf.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. * sysdeps/m68k/fpu/e_sqrtf.c: Likewise. * sysdeps/m68k/fpu/s_isinf.c: Likewise. * sysdeps/m68k/fpu/s_nearbyint.c: Likewise. * sysdeps/m68k/fpu/e_fmod.c: Likewise. * sysdeps/m68k/fpu/sincos32.c: Likewise. * sysdeps/m68k/fpu/e_sqrtl.c: Likewise. * sysdeps/m68k/fpu/s_sincosl.c: Likewise. * sysdeps/m68k/fpu/e_atan2f.c: Likewise. * sysdeps/m68k/fpu/s_nearbyintf.c: Likewise. * sysdeps/m68k/fpu/e_fmodl.c: Likewise. * sysdeps/m68k/fpu/e_coshf.c: Likewise. * sysdeps/m68k/fpu/s_csinf.c: Likewise. * sysdeps/m68k/fpu/s_ccosl.c: Likewise. * sysdeps/m68k/fpu/e_sqrt.c: Likewise. * sysdeps/m68k/fpu/s_sin.c: Likewise. * sysdeps/m68k/fpu/e_asin.c: Likewise. * sysdeps/m68k/fpu/mptan.c: Likewise. * sysdeps/m68k/fpu/e_exp10f.c: Likewise. * sysdeps/m68k/fpu/e_scalb.c: Likewise. * sysdeps/m68k/fpu/s_finitel.c: Likewise. * sysdeps/m68k/fpu/e_log10.c: Likewise. * sysdeps/m68k/fpu/k_sinl.c: Likewise. * sysdeps/m68k/fpu/e_remainderl.c: Likewise. * sysdeps/m68k/fpu/s_remquol.c: Likewise. * sysdeps/m68k/fpu/s_scalblnf.c: Likewise. * sysdeps/m68k/fpu/s_llrint.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/e_asinl.c: Likewise. * sysdeps/m68k/fpu/e_logl.c: Likewise. * sysdeps/m68k/fpu/s_cosf.c: Likewise. * sysdeps/m68k/fpu/s_rint.c: Likewise. * sysdeps/m68k/fpu/s_ceill.c: Likewise. * sysdeps/m68k/fpu/s_modfl.c: Likewise. * sysdeps/m68k/fpu/s_csinl.c: Likewise. * sysdeps/m68k/fpu/s_tan.c: Likewise. * sysdeps/m68k/fpu/s_sincosf.c: Likewise. * sysdeps/m68k/fpu/dosincos.c: Likewise. * sysdeps/m68k/fpu/e_powl.c: Likewise. * sysdeps/m68k/fpu/s_ilogb.c: Likewise. * sysdeps/m68k/fpu/s_llrintl.c: Likewise. * sysdeps/m68k/fpu/e_expl.c: Likewise. * sysdeps/m68k/fpu/libm-test-ulps: Likewise. * sysdeps/m68k/fpu/s_tanf.c: Likewise. * sysdeps/m68k/fpu/mpsqrt.c: Likewise. * sysdeps/m68k/fpu/s_sinl.c: Likewise. * sysdeps/m68k/fpu/mathimpl.h: Likewise. * sysdeps/m68k/fpu/e_acosl.c: Likewise. * sysdeps/m68k/fpu/e_cosh.c: Likewise. * sysdeps/m68k/fpu/s_cexpl.c: Likewise. * sysdeps/m68k/fpu/s_fabsl.c: Likewise. * sysdeps/m68k/fpu/halfulp.c: Likewise. * sysdeps/m68k/fpu/s_modff.c: Likewise. * sysdeps/m68k/fpu/s_isnan.c: Likewise. * sysdeps/m68k/fpu/e_atan2.c: Likewise. * sysdeps/m68k/fpu/s_fabs.c: Likewise. * sysdeps/m68k/fpu/e_log10f.c: Likewise. * sysdeps/m68k/fpu/k_cosf.c: Likewise. * sysdeps/m68k/fpu/e_sinh.c: Likewise. * sysdeps/m68k/fpu/s_truncf.c: Likewise. * sysdeps/m68k/fpu/s_ceil.c: Likewise. * sysdeps/m68k/fpu/s_log1pf.c: Likewise. * sysdeps/m68k/fpu/e_logf.c: Likewise. * sysdeps/m68k/fpu/mpatan.c: Likewise. * sysdeps/m68k/fpu/s_csin.c: Likewise. * sysdeps/m68k/fpu/e_exp2l.c: Likewise. * sysdeps/m68k/fpu/e_sinhl.c: Likewise. * sysdeps/m68k/fpu/e_atan2l.c: Likewise. * sysdeps/m68k/fpu/s_scalbn.c: Likewise. * sysdeps/m68k/fpu/s_floorf.c: Likewise. * sysdeps/m68k/fpu/e_log2l.c: Likewise. * sysdeps/m68k/fpu/s_atanl.c: Likewise. * sysdeps/m68k/fpu/s_llrintf.c: Likewise. * sysdeps/m68k/fpu/k_sinf.c: Likewise. * sysdeps/m68k/fpu/s_csinhf.c: Likewise. * sysdeps/m68k/fpu/s_frexp.c: Likewise. * sysdeps/m68k/fpu/s_atanf.c: Likewise. * sysdeps/m68k/fpu/s_floor.c: Likewise. * sysdeps/m68k/fpu/e_exp10l.c: Likewise. * sysdeps/m68k/fpu/doasin.c: Likewise. * sysdeps/m68k/fpu/s_rintl.c: Likewise. * sysdeps/m68k/fpu/e_atanhl.c: Likewise. * sysdeps/m68k/fpu/e_remainderf.c: Likewise. * sysdeps/m68k/fpu/s_scalbln.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/e_exp10.c: Likewise. * sysdeps/m68k/fpu/s_lrintf.c: Likewise. * sysdeps/m68k/fpu/k_cos.c: Likewise. * sysdeps/m68k/fpu/s_lrint.c: Likewise. * sysdeps/m68k/fpu/s_ccosf.c: Likewise. * sysdeps/m68k/fpu/s_scalblnl.c: Likewise. * sysdeps/m68k/fpu/switch/Makefile: Likewise. * sysdeps/m68k/fpu/switch/switch.c: Likewise. * sysdeps/m68k/fpu/switch/68881-sw.h: Likewise. * sysdeps/m68k/fpu/switch/bits/mathinline.h: Likewise. * sysdeps/m68k/fpu/e_log.c: Likewise. * sysdeps/m68k/fpu/s_nextafterl.c: Likewise. * sysdeps/m68k/fpu/s_nearbyintl.c: Likewise. * sysdeps/m68k/fpu/mpatan2.c: Likewise. * sysdeps/m68k/fpu/k_sin.c: Likewise. * sysdeps/m68k/fpu/e_atanh.c: Likewise. * sysdeps/m68k/fpu/s_remquo.c: Likewise. * sysdeps/m68k/fpu/e_log10l.c: Likewise. * sysdeps/m68k/fpu/s_ceilf.c: Likewise. * sysdeps/m68k/fpu/s_fabsf.c: Likewise. * sysdeps/m68k/fpu/s_significandl.c: Likewise. * sysdeps/m68k/fpu/s_ccosh.c: Likewise. * sysdeps/m68k/fpu/e_coshl.c: Likewise. * sysdeps/m68k/fpu/s_scalbnf.c: Likewise. * sysdeps/m68k/fpu/s_finite.c: Likewise. * sysdeps/m68k/fpu/e_exp2f.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/s_isinfl.c: Likewise. * sysdeps/m68k/fpu/bits/mathinline.h: Likewise. * sysdeps/m68k/fpu/e_powf.c: Likewise. * sysdeps/m68k/rshift.S: Likewise. * sysdeps/m68k/lshift.S: Likewise. * sysdeps/m68k/strtold_l.c: Likewise. * sysdeps/m68k/printf_fphex.c: Likewise. * sysdeps/m68k/s_isinfl.c: Likewise. * sysdeps/m68k/bits/huge_vall.h: Likewise. * sysdeps/m68k/asm-syntax.h (andw, andl, subqw, tstw, tstl): New. * sysdeps/m68k/bits/byteswap.h (__bswap32): Don't define for Coldfire targets. * sysdeps/m68k/bits/setjmp.h (__jmp_buf): Add a 64-byte __fpregs field for Coldfire FPUs. * sysdeps/m68k/dl-machine.h: Include sysdep.h. (elf_machine_load_address): Use PCREL_OP. (_dl_start_user): Likewise. * sysdeps/m68k/dl-trampoline.S (_dl_runtime_resolve): Avoid jmp (%dN) on Coldfire; push the target address and use rts instead. (_dl_runtime_profile): Likewise. Round up the frame size to longword rather than word alignment. Avoid dbra on Coldfire. Avoid using jsr (%d0) on Coldfire; push the return address and target address and use rts instead. Use fmovem.l rather than fmovem.x on Coldfire. Add missing initialization of lrv_a0 and restore a0 from it after calling _dl_call_pltexit. Adjust the stack offsets of later data accordingly, fixing a previously incorrect offset for the inregs parameter. * sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Save the control registers individually on Coldfire targets. * sysdeps/m68k/fpu/feholdexcpt.c (feholdexcept): Likewise. Add missing libm_hidden_def. * sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Save and restore the control registers individually on Coldfire targets. * sysdeps/m68k/fpu/fesetround.c (fesetround): Add missing libm_hidden_def. * sysdeps/m68k/fpu_control.h: Add the Coldfire bit assignments to the main comment. (_FPU_DOUBLE): Define to 0 for Coldfire. (_FPU_EXTENDED): Don't define for Coldfire. (_FPU_RESERVED): Include bit 15 for Coldfire. * sysdeps/m68k/Implies: Remove ieee754/ldbl-96. * sysdeps/m68k/m680x0/Implies: Add it to this new file instead. * sysdeps/m68k/ldsodefs.h: New file. * sysdeps/m68k/__longjmp.c (__longjmp): Restore the floating-point registers when using a Coldfire FPU. * sysdeps/m68k/Makefile (long-double-fcts): Delete. * sysdeps/m68k/m680x0/Makefile: Add it to this new file instead. * sysdeps/m68k/memchr.S (__memchr): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/preconfigure (m680?0): Add "m680x0" to $machine. (m68k): Use the compiler to decide whether $machine should be set to m68k/coldfire or m68k/m680x0/m68020. * sysdeps/m68k/rawmemchr.S (__rawmemchr): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/setjmp.c (__sigsetjmp): Save the floating-point registers when using a Coldfire FPU. Use libc_hidden_def rather than hidden_def. * sysdeps/m68k/strchrnul.S (__strchrnul): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/strchr.S (strchr): Likewise. * sysdeps/m68k/sysdep.h (PCREL_OP): Define. * sysdeps/m68k/tst-audit.h: New file. * sysdeps/m68k/wcpcpy.c: Likewise. * sysdeps/m68k/wcpcpy_chk.c: Likewise. * sysdeps/unix/sysv/linux/m68k/configure.in: New file. * sysdeps/unix/sysv/linux/m68k/configure: Likewise. * sysdeps/unix/sysv/linux/m68k/clone.S (__clone): Add Coldfire code. * sysdeps/unix/sysv/linux/m68k/register-dump.h (real_catch_segfault): Do not define on Coldfire. (catch_segfault): Likewise. (register_dump): Use the Coldfire-specific sigcontext fields to display call-saved data and address registers (rather than the data stored in sc_fpstate by real_catch_segfault). Display 8-byte floating-point registers on Coldfire. * sysdeps/unix/sysv/linux/m68k/socket.S (__socket): Pass a temporary register to SINGLE_THREAD_P. * sysdeps/unix/sysv/linux/m68k/sys/reg.h (PT_FP0): Redefine for Coldfire. (PT_FP1, PT_FP2, PT_FP3, PT_FP4, PT_FP5, PT_FP6, PT_FP7): Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (fpregset): Sync field order with linux. Make f_fpregs an 8*2 array on Coldfire. (ucontext): Sync field order with linux. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Guard against multiple inclusion. (SYSCALL_ERROR_HANDLER): Use PCREL_OP. * sysdeps/unix/sysv/linux/m68k/syscalls.list (oldgetrlimit): Delete. (oldsetrlimit): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list: New file. List oldgetrlimit and oldsetrlimit here instead. * sysdeps/unix/sysv/linux/m68k/bits/sigcontext.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/siginfo.h: Likewise. * sysdeps/m68k/coldfire/bits/atomic.h: Likewise. * sysdeps/m68k/coldfire/fpu/e_sqrt.c: Likewise. * sysdeps/m68k/coldfire/fpu/e_sqrtf.c: Likewise. * sysdeps/m68k/coldfire/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/coldfire/fpu/libm-test-ulps: Likewise. * sysdeps/m68k/coldfire/fpu/s_fabs.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_fabsf.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_lrint.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_lrintf.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rint.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rintf.c: Likewise. * sysdeps/m68k/coldfire/shlib-versions: Likewise.
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#ifndef _LINUX_M68K_SYSDEP_H
#define _LINUX_M68K_SYSDEP_H 1
#include <sysdeps/unix/sysdep.h>
#include <sysdeps/m68k/sysdep.h>
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#include <tls.h>
/* Defines RTLD_PRIVATE_ERRNO. */
#include <dl-sysdep.h>
/* For Linux we can use the system call table in the header file
/usr/include/asm/unistd.h
of the kernel. But these symbols do not follow the SYS_* syntax
so we have to redefine the `SYS_ify' macro here. */
#undef SYS_ify
#ifdef __STDC__
# define SYS_ify(syscall_name) __NR_##syscall_name
#else
# define SYS_ify(syscall_name) __NR_/**/syscall_name
#endif
#ifdef __ASSEMBLER__
/* Linux uses a negative return value to indicate syscall errors, unlike
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most Unices, which use the condition codes' carry flag.
Since version 2.1 the return value of a system call might be negative
even if the call succeeded. E.g., the `lseek' system call might return
a large offset. Therefore we must not anymore test for < 0, but test
for a real error by making sure the value in %d0 is a real error
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number. Linus said he will make sure the no syscall returns a value
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in -1 .. -4095 as a valid result so we can savely test with -4095. */
/* We don't want the label for the error handler to be visible in the symbol
table when we define it here. */
#ifdef PIC
#define SYSCALL_ERROR_LABEL .Lsyscall_error
#else
#define SYSCALL_ERROR_LABEL __syscall_error
#endif
#undef PSEUDO
#define PSEUDO(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (syscall_name, args); \
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cmp.l &-4095, %d0; \
jcc SYSCALL_ERROR_LABEL
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#undef PSEUDO_END
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#define PSEUDO_END(name) \
SYSCALL_ERROR_HANDLER; \
END (name)
#undef PSEUDO_NOERRNO
#define PSEUDO_NOERRNO(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (syscall_name, args)
#undef PSEUDO_END_NOERRNO
#define PSEUDO_END_NOERRNO(name) \
END (name)
#define ret_NOERRNO rts
/* The function has to return the error code. */
#undef PSEUDO_ERRVAL
#define PSEUDO_ERRVAL(name, syscall_name, args) \
.text; \
ENTRY (name) \
DO_CALL (syscall_name, args); \
negl %d0
#undef PSEUDO_END_ERRVAL
#define PSEUDO_END_ERRVAL(name) \
END (name)
#define ret_ERRVAL rts
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#ifdef PIC
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# if RTLD_PRIVATE_ERRNO
# define SYSCALL_ERROR_HANDLER \
SYSCALL_ERROR_LABEL: \
2006-10-03 Richard Sandiford <richard@codesourcery.com> * sysdeps/m68k/bits/mathdef.h: Moved from sysdeps/m68k to sysdeps/m68k/m680x0. * sysdeps/m68k/m68020/submul_1.S: Likewise. * sysdeps/m68k/m68020/Makefile: Likewise. * sysdeps/m68k/m68020/mul_1.S: Likewise. * sysdeps/m68k/m68020/wordcopy.S: Likewise. * sysdeps/m68k/m68020/addmul_1.S: Likewise. * sysdeps/m68k/m68020/bits/string.h: Likewise. * sysdeps/m68k/m68020/bits/atomic.h: Likewise. * sysdeps/m68k/sub_n.S: Likewise. * sysdeps/m68k/add_n.S: Likewise. * sysdeps/m68k/s_isnanl.c: Likewise. * sysdeps/m68k/fpu/s_log1p.c: Likewise. * sysdeps/m68k/fpu/e_asinf.c: Likewise. * sysdeps/m68k/fpu/s_cosl.c: Likewise. * sysdeps/m68k/fpu/s_isinff.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/s_ccos.c: Likewise. * sysdeps/m68k/fpu/s_expm1.c: Likewise. * sysdeps/m68k/fpu/slowexp.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/s_ccoshf.c: Likewise. * sysdeps/m68k/fpu/s_ilogbl.c: Likewise. * sysdeps/m68k/fpu/Makefile: Likewise. * sysdeps/m68k/fpu/s_expm1f.c: Likewise. * sysdeps/m68k/fpu/s_significandf.c: Likewise. * sysdeps/m68k/fpu/e_pow.c: Likewise. * sysdeps/m68k/fpu/s_csinh.c: Likewise. * sysdeps/m68k/fpu/e_exp.c: Likewise. * sysdeps/m68k/fpu/s_remquof.c: Likewise. * sysdeps/m68k/fpu/s_ilogbf.c: Likewise. * sysdeps/m68k/fpu/s_truncl.c: Likewise. * sysdeps/m68k/fpu/s_frexpf.c: Likewise. * sysdeps/m68k/fpu/s_cos.c: Likewise. * sysdeps/m68k/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/fpu/branred.c: Likewise. * sysdeps/m68k/fpu/s_frexpl.c: Likewise. * sysdeps/m68k/fpu/s_atan.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/e_scalbl.c: Likewise. * sysdeps/m68k/fpu/e_exp2.c: Likewise. * sysdeps/m68k/fpu/s_cexpf.c: Likewise. * sysdeps/m68k/fpu/mplog.c: Likewise. * sysdeps/m68k/fpu/s_rintf.c: Likewise. * sysdeps/m68k/fpu/s_tanh.c: Likewise. * sysdeps/m68k/fpu/e_scalbf.c: Likewise. * sysdeps/m68k/fpu/s_csinhl.c: Likewise. * sysdeps/m68k/fpu/s_floorl.c: Likewise. * sysdeps/m68k/fpu/k_tanf.c: Likewise. * sysdeps/m68k/fpu/k_tanl.c: Likewise. * sysdeps/m68k/fpu/e_fmodf.c: Likewise. * sysdeps/m68k/fpu/e_atanhf.c: Likewise. * sysdeps/m68k/fpu/s_isnanf.c: Likewise. * sysdeps/m68k/fpu/s_fpclassifyl.c: Likewise. * sysdeps/m68k/fpu/s_modf.c: Likewise. * sysdeps/m68k/fpu/e_log2.c: Likewise. * sysdeps/m68k/fpu/e_acosf.c: Likewise. * sysdeps/m68k/fpu/s_log1pl.c: Likewise. * sysdeps/m68k/fpu/e_log2f.c: Likewise. * sysdeps/m68k/fpu/mpa.c: Likewise. * sysdeps/m68k/fpu/t_exp.c: Likewise. * sysdeps/m68k/fpu/e_acos.c: Likewise. * sysdeps/m68k/fpu/s_expm1l.c: Likewise. * sysdeps/m68k/fpu/s_ccoshl.c: Likewise. * sysdeps/m68k/fpu/s_sinf.c: Likewise. * sysdeps/m68k/fpu/k_tan.c: Likewise. * sysdeps/m68k/fpu/k_cosl.c: Likewise. * sysdeps/m68k/fpu/e_remainder.c: Likewise. * sysdeps/m68k/fpu/s_trunc.c: Likewise. * sysdeps/m68k/fpu/s_sincos.c: Likewise. * sysdeps/m68k/fpu/s_scalbnl.c: Likewise. * sysdeps/m68k/fpu/s_finitef.c: Likewise. * sysdeps/m68k/fpu/s_tanhl.c: Likewise. * sysdeps/m68k/fpu/s_lrintl.c: Likewise. * sysdeps/m68k/fpu/slowpow.c: Likewise. * sysdeps/m68k/fpu/mpexp.c: Likewise. * sysdeps/m68k/fpu/s_isnanl.c: Likewise. * sysdeps/m68k/fpu/e_expf.c: Likewise. * sysdeps/m68k/fpu/s_significand.c: Likewise. * sysdeps/m68k/fpu/e_sinhf.c: Likewise. * sysdeps/m68k/fpu/s_tanl.c: Likewise. * sysdeps/m68k/fpu/s_tanhf.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. * sysdeps/m68k/fpu/e_sqrtf.c: Likewise. * sysdeps/m68k/fpu/s_isinf.c: Likewise. * sysdeps/m68k/fpu/s_nearbyint.c: Likewise. * sysdeps/m68k/fpu/e_fmod.c: Likewise. * sysdeps/m68k/fpu/sincos32.c: Likewise. * sysdeps/m68k/fpu/e_sqrtl.c: Likewise. * sysdeps/m68k/fpu/s_sincosl.c: Likewise. * sysdeps/m68k/fpu/e_atan2f.c: Likewise. * sysdeps/m68k/fpu/s_nearbyintf.c: Likewise. * sysdeps/m68k/fpu/e_fmodl.c: Likewise. * sysdeps/m68k/fpu/e_coshf.c: Likewise. * sysdeps/m68k/fpu/s_csinf.c: Likewise. * sysdeps/m68k/fpu/s_ccosl.c: Likewise. * sysdeps/m68k/fpu/e_sqrt.c: Likewise. * sysdeps/m68k/fpu/s_sin.c: Likewise. * sysdeps/m68k/fpu/e_asin.c: Likewise. * sysdeps/m68k/fpu/mptan.c: Likewise. * sysdeps/m68k/fpu/e_exp10f.c: Likewise. * sysdeps/m68k/fpu/e_scalb.c: Likewise. * sysdeps/m68k/fpu/s_finitel.c: Likewise. * sysdeps/m68k/fpu/e_log10.c: Likewise. * sysdeps/m68k/fpu/k_sinl.c: Likewise. * sysdeps/m68k/fpu/e_remainderl.c: Likewise. * sysdeps/m68k/fpu/s_remquol.c: Likewise. * sysdeps/m68k/fpu/s_scalblnf.c: Likewise. * sysdeps/m68k/fpu/s_llrint.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/e_asinl.c: Likewise. * sysdeps/m68k/fpu/e_logl.c: Likewise. * sysdeps/m68k/fpu/s_cosf.c: Likewise. * sysdeps/m68k/fpu/s_rint.c: Likewise. * sysdeps/m68k/fpu/s_ceill.c: Likewise. * sysdeps/m68k/fpu/s_modfl.c: Likewise. * sysdeps/m68k/fpu/s_csinl.c: Likewise. * sysdeps/m68k/fpu/s_tan.c: Likewise. * sysdeps/m68k/fpu/s_sincosf.c: Likewise. * sysdeps/m68k/fpu/dosincos.c: Likewise. * sysdeps/m68k/fpu/e_powl.c: Likewise. * sysdeps/m68k/fpu/s_ilogb.c: Likewise. * sysdeps/m68k/fpu/s_llrintl.c: Likewise. * sysdeps/m68k/fpu/e_expl.c: Likewise. * sysdeps/m68k/fpu/libm-test-ulps: Likewise. * sysdeps/m68k/fpu/s_tanf.c: Likewise. * sysdeps/m68k/fpu/mpsqrt.c: Likewise. * sysdeps/m68k/fpu/s_sinl.c: Likewise. * sysdeps/m68k/fpu/mathimpl.h: Likewise. * sysdeps/m68k/fpu/e_acosl.c: Likewise. * sysdeps/m68k/fpu/e_cosh.c: Likewise. * sysdeps/m68k/fpu/s_cexpl.c: Likewise. * sysdeps/m68k/fpu/s_fabsl.c: Likewise. * sysdeps/m68k/fpu/halfulp.c: Likewise. * sysdeps/m68k/fpu/s_modff.c: Likewise. * sysdeps/m68k/fpu/s_isnan.c: Likewise. * sysdeps/m68k/fpu/e_atan2.c: Likewise. * sysdeps/m68k/fpu/s_fabs.c: Likewise. * sysdeps/m68k/fpu/e_log10f.c: Likewise. * sysdeps/m68k/fpu/k_cosf.c: Likewise. * sysdeps/m68k/fpu/e_sinh.c: Likewise. * sysdeps/m68k/fpu/s_truncf.c: Likewise. * sysdeps/m68k/fpu/s_ceil.c: Likewise. * sysdeps/m68k/fpu/s_log1pf.c: Likewise. * sysdeps/m68k/fpu/e_logf.c: Likewise. * sysdeps/m68k/fpu/mpatan.c: Likewise. * sysdeps/m68k/fpu/s_csin.c: Likewise. * sysdeps/m68k/fpu/e_exp2l.c: Likewise. * sysdeps/m68k/fpu/e_sinhl.c: Likewise. * sysdeps/m68k/fpu/e_atan2l.c: Likewise. * sysdeps/m68k/fpu/s_scalbn.c: Likewise. * sysdeps/m68k/fpu/s_floorf.c: Likewise. * sysdeps/m68k/fpu/e_log2l.c: Likewise. * sysdeps/m68k/fpu/s_atanl.c: Likewise. * sysdeps/m68k/fpu/s_llrintf.c: Likewise. * sysdeps/m68k/fpu/k_sinf.c: Likewise. * sysdeps/m68k/fpu/s_csinhf.c: Likewise. * sysdeps/m68k/fpu/s_frexp.c: Likewise. * sysdeps/m68k/fpu/s_atanf.c: Likewise. * sysdeps/m68k/fpu/s_floor.c: Likewise. * sysdeps/m68k/fpu/e_exp10l.c: Likewise. * sysdeps/m68k/fpu/doasin.c: Likewise. * sysdeps/m68k/fpu/s_rintl.c: Likewise. * sysdeps/m68k/fpu/e_atanhl.c: Likewise. * sysdeps/m68k/fpu/e_remainderf.c: Likewise. * sysdeps/m68k/fpu/s_scalbln.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/e_exp10.c: Likewise. * sysdeps/m68k/fpu/s_lrintf.c: Likewise. * sysdeps/m68k/fpu/k_cos.c: Likewise. * sysdeps/m68k/fpu/s_lrint.c: Likewise. * sysdeps/m68k/fpu/s_ccosf.c: Likewise. * sysdeps/m68k/fpu/s_scalblnl.c: Likewise. * sysdeps/m68k/fpu/switch/Makefile: Likewise. * sysdeps/m68k/fpu/switch/switch.c: Likewise. * sysdeps/m68k/fpu/switch/68881-sw.h: Likewise. * sysdeps/m68k/fpu/switch/bits/mathinline.h: Likewise. * sysdeps/m68k/fpu/e_log.c: Likewise. * sysdeps/m68k/fpu/s_nextafterl.c: Likewise. * sysdeps/m68k/fpu/s_nearbyintl.c: Likewise. * sysdeps/m68k/fpu/mpatan2.c: Likewise. * sysdeps/m68k/fpu/k_sin.c: Likewise. * sysdeps/m68k/fpu/e_atanh.c: Likewise. * sysdeps/m68k/fpu/s_remquo.c: Likewise. * sysdeps/m68k/fpu/e_log10l.c: Likewise. * sysdeps/m68k/fpu/s_ceilf.c: Likewise. * sysdeps/m68k/fpu/s_fabsf.c: Likewise. * sysdeps/m68k/fpu/s_significandl.c: Likewise. * sysdeps/m68k/fpu/s_ccosh.c: Likewise. * sysdeps/m68k/fpu/e_coshl.c: Likewise. * sysdeps/m68k/fpu/s_scalbnf.c: Likewise. * sysdeps/m68k/fpu/s_finite.c: Likewise. * sysdeps/m68k/fpu/e_exp2f.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/s_isinfl.c: Likewise. * sysdeps/m68k/fpu/bits/mathinline.h: Likewise. * sysdeps/m68k/fpu/e_powf.c: Likewise. * sysdeps/m68k/rshift.S: Likewise. * sysdeps/m68k/lshift.S: Likewise. * sysdeps/m68k/strtold_l.c: Likewise. * sysdeps/m68k/printf_fphex.c: Likewise. * sysdeps/m68k/s_isinfl.c: Likewise. * sysdeps/m68k/bits/huge_vall.h: Likewise. * sysdeps/m68k/asm-syntax.h (andw, andl, subqw, tstw, tstl): New. * sysdeps/m68k/bits/byteswap.h (__bswap32): Don't define for Coldfire targets. * sysdeps/m68k/bits/setjmp.h (__jmp_buf): Add a 64-byte __fpregs field for Coldfire FPUs. * sysdeps/m68k/dl-machine.h: Include sysdep.h. (elf_machine_load_address): Use PCREL_OP. (_dl_start_user): Likewise. * sysdeps/m68k/dl-trampoline.S (_dl_runtime_resolve): Avoid jmp (%dN) on Coldfire; push the target address and use rts instead. (_dl_runtime_profile): Likewise. Round up the frame size to longword rather than word alignment. Avoid dbra on Coldfire. Avoid using jsr (%d0) on Coldfire; push the return address and target address and use rts instead. Use fmovem.l rather than fmovem.x on Coldfire. Add missing initialization of lrv_a0 and restore a0 from it after calling _dl_call_pltexit. Adjust the stack offsets of later data accordingly, fixing a previously incorrect offset for the inregs parameter. * sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Save the control registers individually on Coldfire targets. * sysdeps/m68k/fpu/feholdexcpt.c (feholdexcept): Likewise. Add missing libm_hidden_def. * sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Save and restore the control registers individually on Coldfire targets. * sysdeps/m68k/fpu/fesetround.c (fesetround): Add missing libm_hidden_def. * sysdeps/m68k/fpu_control.h: Add the Coldfire bit assignments to the main comment. (_FPU_DOUBLE): Define to 0 for Coldfire. (_FPU_EXTENDED): Don't define for Coldfire. (_FPU_RESERVED): Include bit 15 for Coldfire. * sysdeps/m68k/Implies: Remove ieee754/ldbl-96. * sysdeps/m68k/m680x0/Implies: Add it to this new file instead. * sysdeps/m68k/ldsodefs.h: New file. * sysdeps/m68k/__longjmp.c (__longjmp): Restore the floating-point registers when using a Coldfire FPU. * sysdeps/m68k/Makefile (long-double-fcts): Delete. * sysdeps/m68k/m680x0/Makefile: Add it to this new file instead. * sysdeps/m68k/memchr.S (__memchr): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/preconfigure (m680?0): Add "m680x0" to $machine. (m68k): Use the compiler to decide whether $machine should be set to m68k/coldfire or m68k/m680x0/m68020. * sysdeps/m68k/rawmemchr.S (__rawmemchr): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/setjmp.c (__sigsetjmp): Save the floating-point registers when using a Coldfire FPU. Use libc_hidden_def rather than hidden_def. * sysdeps/m68k/strchrnul.S (__strchrnul): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/strchr.S (strchr): Likewise. * sysdeps/m68k/sysdep.h (PCREL_OP): Define. * sysdeps/m68k/tst-audit.h: New file. * sysdeps/m68k/wcpcpy.c: Likewise. * sysdeps/m68k/wcpcpy_chk.c: Likewise. * sysdeps/unix/sysv/linux/m68k/configure.in: New file. * sysdeps/unix/sysv/linux/m68k/configure: Likewise. * sysdeps/unix/sysv/linux/m68k/clone.S (__clone): Add Coldfire code. * sysdeps/unix/sysv/linux/m68k/register-dump.h (real_catch_segfault): Do not define on Coldfire. (catch_segfault): Likewise. (register_dump): Use the Coldfire-specific sigcontext fields to display call-saved data and address registers (rather than the data stored in sc_fpstate by real_catch_segfault). Display 8-byte floating-point registers on Coldfire. * sysdeps/unix/sysv/linux/m68k/socket.S (__socket): Pass a temporary register to SINGLE_THREAD_P. * sysdeps/unix/sysv/linux/m68k/sys/reg.h (PT_FP0): Redefine for Coldfire. (PT_FP1, PT_FP2, PT_FP3, PT_FP4, PT_FP5, PT_FP6, PT_FP7): Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (fpregset): Sync field order with linux. Make f_fpregs an 8*2 array on Coldfire. (ucontext): Sync field order with linux. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Guard against multiple inclusion. (SYSCALL_ERROR_HANDLER): Use PCREL_OP. * sysdeps/unix/sysv/linux/m68k/syscalls.list (oldgetrlimit): Delete. (oldsetrlimit): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list: New file. List oldgetrlimit and oldsetrlimit here instead. * sysdeps/unix/sysv/linux/m68k/bits/sigcontext.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/siginfo.h: Likewise. * sysdeps/m68k/coldfire/bits/atomic.h: Likewise. * sysdeps/m68k/coldfire/fpu/e_sqrt.c: Likewise. * sysdeps/m68k/coldfire/fpu/e_sqrtf.c: Likewise. * sysdeps/m68k/coldfire/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/coldfire/fpu/libm-test-ulps: Likewise. * sysdeps/m68k/coldfire/fpu/s_fabs.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_fabsf.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_lrint.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_lrintf.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rint.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rintf.c: Likewise. * sysdeps/m68k/coldfire/shlib-versions: Likewise.
2006-10-03 14:44:27 +00:00
PCREL_OP (lea, rtld_errno, %a0, %a0); \
neg.l %d0; \
move.l %d0, (%a0); \
move.l &-1, %d0; \
/* Copy return value to %a0 for syscalls that are declared to return \
a pointer (e.g., mmap). */ \
move.l %d0, %a0; \
rts;
# elif USE___THREAD
# ifndef NOT_IN_libc
# define SYSCALL_ERROR_ERRNO __libc_errno
# else
# define SYSCALL_ERROR_ERRNO errno
# endif
# define SYSCALL_ERROR_HANDLER \
SYSCALL_ERROR_LABEL: \
neg.l %d0; \
move.l %d0, -(%sp); \
jbsr __m68k_read_tp@PLTPC; \
lea (_GLOBAL_OFFSET_TABLE_@GOTPC, %pc), %a1; \
add.l (SYSCALL_ERROR_ERRNO@TLSIE, %a1), %a0; \
move.l (%sp)+, (%a0); \
move.l &-1, %d0; \
/* Copy return value to %a0 for syscalls that are declared to return \
a pointer (e.g., mmap). */ \
move.l %d0, %a0; \
rts;
# elif defined _LIBC_REENTRANT
# define SYSCALL_ERROR_HANDLER \
SYSCALL_ERROR_LABEL: \
neg.l %d0; \
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move.l %d0, -(%sp); \
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jbsr __errno_location@PLTPC; \
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move.l (%sp)+, (%a0); \
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move.l &-1, %d0; \
/* Copy return value to %a0 for syscalls that are declared to return \
a pointer (e.g., mmap). */ \
move.l %d0, %a0; \
rts;
# else /* !_LIBC_REENTRANT */
/* Store (- %d0) into errno through the GOT. */
# define SYSCALL_ERROR_HANDLER \
SYSCALL_ERROR_LABEL: \
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move.l (errno@GOTPC, %pc), %a0; \
neg.l %d0; \
move.l %d0, (%a0); \
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move.l &-1, %d0; \
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/* Copy return value to %a0 for syscalls that are declared to return \
a pointer (e.g., mmap). */ \
move.l %d0, %a0; \
rts;
# endif /* _LIBC_REENTRANT */
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#else
# define SYSCALL_ERROR_HANDLER /* Nothing here; code in sysdep.S is used. */
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#endif /* PIC */
/* Linux takes system call arguments in registers:
syscall number %d0 call-clobbered
arg 1 %d1 call-clobbered
arg 2 %d2 call-saved
arg 3 %d3 call-saved
arg 4 %d4 call-saved
arg 5 %d5 call-saved
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arg 6 %a0 call-clobbered
The stack layout upon entering the function is:
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24(%sp) Arg# 6
20(%sp) Arg# 5
16(%sp) Arg# 4
12(%sp) Arg# 3
8(%sp) Arg# 2
4(%sp) Arg# 1
(%sp) Return address
(Of course a function with say 3 arguments does not have entries for
arguments 4 and 5.)
Separate move's are faster than movem, but need more space. Since
speed is more important, we don't use movem. Since %a0 and %a1 are
scratch registers, we can use them for saving as well. */
#define DO_CALL(syscall_name, args) \
move.l &SYS_ify(syscall_name), %d0; \
DOARGS_##args \
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trap &0; \
UNDOARGS_##args
#define DOARGS_0 /* No arguments to frob. */
#define UNDOARGS_0 /* No arguments to unfrob. */
#define _DOARGS_0(n) /* No arguments to frob. */
#define DOARGS_1 _DOARGS_1 (4)
#define _DOARGS_1(n) move.l n(%sp), %d1; _DOARGS_0 (n)
#define UNDOARGS_1 UNDOARGS_0
#define DOARGS_2 _DOARGS_2 (8)
#define _DOARGS_2(n) move.l %d2, %a0; move.l n(%sp), %d2; _DOARGS_1 (n-4)
#define UNDOARGS_2 UNDOARGS_1; move.l %a0, %d2
#define DOARGS_3 _DOARGS_3 (12)
#define _DOARGS_3(n) move.l %d3, %a1; move.l n(%sp), %d3; _DOARGS_2 (n-4)
#define UNDOARGS_3 UNDOARGS_2; move.l %a1, %d3
#define DOARGS_4 _DOARGS_4 (16)
#define _DOARGS_4(n) move.l %d4, -(%sp); move.l n+4(%sp), %d4; _DOARGS_3 (n)
#define UNDOARGS_4 UNDOARGS_3; move.l (%sp)+, %d4
#define DOARGS_5 _DOARGS_5 (20)
#define _DOARGS_5(n) move.l %d5, -(%sp); move.l n+4(%sp), %d5; _DOARGS_4 (n)
#define UNDOARGS_5 UNDOARGS_4; move.l (%sp)+, %d5
#define DOARGS_6 _DOARGS_6 (24)
#define _DOARGS_6(n) _DOARGS_5 (n-4); move.l %a0, -(%sp); move.l n+12(%sp), %a0;
#define UNDOARGS_6 move.l (%sp)+, %a0; UNDOARGS_5
#define ret rts
#if 0 /* Not used by Linux */
#define r0 %d0
#define r1 %d1
#define MOVE(x,y) movel x , y
#endif
#else /* not __ASSEMBLER__ */
/* Define a macro which expands into the inline wrapper code for a system
call. */
#undef INLINE_SYSCALL
#define INLINE_SYSCALL(name, nr, args...) \
({ unsigned int _sys_result = INTERNAL_SYSCALL (name, , nr, args); \
if (__builtin_expect (INTERNAL_SYSCALL_ERROR_P (_sys_result, ), 0))\
{ \
__set_errno (INTERNAL_SYSCALL_ERRNO (_sys_result, )); \
_sys_result = (unsigned int) -1; \
} \
(int) _sys_result; })
#undef INTERNAL_SYSCALL_DECL
#define INTERNAL_SYSCALL_DECL(err) do { } while (0)
/* Define a macro which expands inline into the wrapper code for a system
call. This use is for internal calls that do not need to handle errors
normally. It will never touch errno. This returns just what the kernel
gave back. */
#undef INTERNAL_SYSCALL
2010-03-12 18:50:55 +00:00
#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
({ unsigned int _sys_result; \
{ \
/* Load argument values in temporary variables
to perform side effects like function calls
before the call used registers are set. */ \
LOAD_ARGS_##nr (args) \
LOAD_REGS_##nr \
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register int _d0 asm ("%d0") = name; \
asm volatile ("trap #0" \
: "=d" (_d0) \
: "0" (_d0) ASM_ARGS_##nr \
: "memory"); \
_sys_result = _d0; \
} \
(int) _sys_result; })
2010-03-12 18:50:55 +00:00
#define INTERNAL_SYSCALL(name, err, nr, args...) \
INTERNAL_SYSCALL_NCS (__NR_##name, err, nr, ##args)
#undef INTERNAL_SYSCALL_ERROR_P
#define INTERNAL_SYSCALL_ERROR_P(val, err) \
((unsigned int) (val) >= -4095U)
#undef INTERNAL_SYSCALL_ERRNO
#define INTERNAL_SYSCALL_ERRNO(val, err) (-(val))
#define LOAD_ARGS_0()
#define LOAD_REGS_0
#define ASM_ARGS_0
#define LOAD_ARGS_1(a1) \
LOAD_ARGS_0 () \
int __arg1 = (int) (a1);
#define LOAD_REGS_1 \
register int _d1 asm ("d1") = __arg1; \
LOAD_REGS_0
#define ASM_ARGS_1 ASM_ARGS_0, "d" (_d1)
#define LOAD_ARGS_2(a1, a2) \
LOAD_ARGS_1 (a1) \
int __arg2 = (int) (a2);
#define LOAD_REGS_2 \
register int _d2 asm ("d2") = __arg2; \
LOAD_REGS_1
#define ASM_ARGS_2 ASM_ARGS_1, "d" (_d2)
#define LOAD_ARGS_3(a1, a2, a3) \
LOAD_ARGS_2 (a1, a2) \
int __arg3 = (int) (a3);
#define LOAD_REGS_3 \
register int _d3 asm ("d3") = __arg3; \
LOAD_REGS_2
#define ASM_ARGS_3 ASM_ARGS_2, "d" (_d3)
#define LOAD_ARGS_4(a1, a2, a3, a4) \
LOAD_ARGS_3 (a1, a2, a3) \
int __arg4 = (int) (a4);
#define LOAD_REGS_4 \
register int _d4 asm ("d4") = __arg4; \
LOAD_REGS_3
#define ASM_ARGS_4 ASM_ARGS_3, "d" (_d4)
#define LOAD_ARGS_5(a1, a2, a3, a4, a5) \
LOAD_ARGS_4 (a1, a2, a3, a4) \
int __arg5 = (int) (a5);
#define LOAD_REGS_5 \
register int _d5 asm ("d5") = __arg5; \
LOAD_REGS_4
#define ASM_ARGS_5 ASM_ARGS_4, "d" (_d5)
#define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \
LOAD_ARGS_5 (a1, a2, a3, a4, a5) \
int __arg6 = (int) (a6);
#define LOAD_REGS_6 \
register int _a0 asm ("a0") = __arg6; \
LOAD_REGS_5
#define ASM_ARGS_6 ASM_ARGS_5, "a" (_a0)
#endif /* not __ASSEMBLER__ */
2010-03-12 18:50:55 +00:00
/* Pointer mangling is not yet supported for M68K. */
#define PTR_MANGLE(var) (void) (var)
#define PTR_DEMANGLE(var) (void) (var)
#if defined NEED_DL_SYSINFO || defined NEED_DL_SYSINFO_DSO
/* M68K needs system-supplied DSO to access TLS helpers
even when statically linked. */
# define NEED_STATIC_SYSINFO_DSO 1
#endif
2006-10-03 Richard Sandiford <richard@codesourcery.com> * sysdeps/m68k/bits/mathdef.h: Moved from sysdeps/m68k to sysdeps/m68k/m680x0. * sysdeps/m68k/m68020/submul_1.S: Likewise. * sysdeps/m68k/m68020/Makefile: Likewise. * sysdeps/m68k/m68020/mul_1.S: Likewise. * sysdeps/m68k/m68020/wordcopy.S: Likewise. * sysdeps/m68k/m68020/addmul_1.S: Likewise. * sysdeps/m68k/m68020/bits/string.h: Likewise. * sysdeps/m68k/m68020/bits/atomic.h: Likewise. * sysdeps/m68k/sub_n.S: Likewise. * sysdeps/m68k/add_n.S: Likewise. * sysdeps/m68k/s_isnanl.c: Likewise. * sysdeps/m68k/fpu/s_log1p.c: Likewise. * sysdeps/m68k/fpu/e_asinf.c: Likewise. * sysdeps/m68k/fpu/s_cosl.c: Likewise. * sysdeps/m68k/fpu/s_isinff.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/s_ccos.c: Likewise. * sysdeps/m68k/fpu/s_expm1.c: Likewise. * sysdeps/m68k/fpu/slowexp.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/s_ccoshf.c: Likewise. * sysdeps/m68k/fpu/s_ilogbl.c: Likewise. * sysdeps/m68k/fpu/Makefile: Likewise. * sysdeps/m68k/fpu/s_expm1f.c: Likewise. * sysdeps/m68k/fpu/s_significandf.c: Likewise. * sysdeps/m68k/fpu/e_pow.c: Likewise. * sysdeps/m68k/fpu/s_csinh.c: Likewise. * sysdeps/m68k/fpu/e_exp.c: Likewise. * sysdeps/m68k/fpu/s_remquof.c: Likewise. * sysdeps/m68k/fpu/s_ilogbf.c: Likewise. * sysdeps/m68k/fpu/s_truncl.c: Likewise. * sysdeps/m68k/fpu/s_frexpf.c: Likewise. * sysdeps/m68k/fpu/s_cos.c: Likewise. * sysdeps/m68k/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/fpu/branred.c: Likewise. * sysdeps/m68k/fpu/s_frexpl.c: Likewise. * sysdeps/m68k/fpu/s_atan.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/e_scalbl.c: Likewise. * sysdeps/m68k/fpu/e_exp2.c: Likewise. * sysdeps/m68k/fpu/s_cexpf.c: Likewise. * sysdeps/m68k/fpu/mplog.c: Likewise. * sysdeps/m68k/fpu/s_rintf.c: Likewise. * sysdeps/m68k/fpu/s_tanh.c: Likewise. * sysdeps/m68k/fpu/e_scalbf.c: Likewise. * sysdeps/m68k/fpu/s_csinhl.c: Likewise. * sysdeps/m68k/fpu/s_floorl.c: Likewise. * sysdeps/m68k/fpu/k_tanf.c: Likewise. * sysdeps/m68k/fpu/k_tanl.c: Likewise. * sysdeps/m68k/fpu/e_fmodf.c: Likewise. * sysdeps/m68k/fpu/e_atanhf.c: Likewise. * sysdeps/m68k/fpu/s_isnanf.c: Likewise. * sysdeps/m68k/fpu/s_fpclassifyl.c: Likewise. * sysdeps/m68k/fpu/s_modf.c: Likewise. * sysdeps/m68k/fpu/e_log2.c: Likewise. * sysdeps/m68k/fpu/e_acosf.c: Likewise. * sysdeps/m68k/fpu/s_log1pl.c: Likewise. * sysdeps/m68k/fpu/e_log2f.c: Likewise. * sysdeps/m68k/fpu/mpa.c: Likewise. * sysdeps/m68k/fpu/t_exp.c: Likewise. * sysdeps/m68k/fpu/e_acos.c: Likewise. * sysdeps/m68k/fpu/s_expm1l.c: Likewise. * sysdeps/m68k/fpu/s_ccoshl.c: Likewise. * sysdeps/m68k/fpu/s_sinf.c: Likewise. * sysdeps/m68k/fpu/k_tan.c: Likewise. * sysdeps/m68k/fpu/k_cosl.c: Likewise. * sysdeps/m68k/fpu/e_remainder.c: Likewise. * sysdeps/m68k/fpu/s_trunc.c: Likewise. * sysdeps/m68k/fpu/s_sincos.c: Likewise. * sysdeps/m68k/fpu/s_scalbnl.c: Likewise. * sysdeps/m68k/fpu/s_finitef.c: Likewise. * sysdeps/m68k/fpu/s_tanhl.c: Likewise. * sysdeps/m68k/fpu/s_lrintl.c: Likewise. * sysdeps/m68k/fpu/slowpow.c: Likewise. * sysdeps/m68k/fpu/mpexp.c: Likewise. * sysdeps/m68k/fpu/s_isnanl.c: Likewise. * sysdeps/m68k/fpu/e_expf.c: Likewise. * sysdeps/m68k/fpu/s_significand.c: Likewise. * sysdeps/m68k/fpu/e_sinhf.c: Likewise. * sysdeps/m68k/fpu/s_tanl.c: Likewise. * sysdeps/m68k/fpu/s_tanhf.c: Likewise. * sysdeps/m68k/fpu/s_cexp.c: Likewise. * sysdeps/m68k/fpu/e_sqrtf.c: Likewise. * sysdeps/m68k/fpu/s_isinf.c: Likewise. * sysdeps/m68k/fpu/s_nearbyint.c: Likewise. * sysdeps/m68k/fpu/e_fmod.c: Likewise. * sysdeps/m68k/fpu/sincos32.c: Likewise. * sysdeps/m68k/fpu/e_sqrtl.c: Likewise. * sysdeps/m68k/fpu/s_sincosl.c: Likewise. * sysdeps/m68k/fpu/e_atan2f.c: Likewise. * sysdeps/m68k/fpu/s_nearbyintf.c: Likewise. * sysdeps/m68k/fpu/e_fmodl.c: Likewise. * sysdeps/m68k/fpu/e_coshf.c: Likewise. * sysdeps/m68k/fpu/s_csinf.c: Likewise. * sysdeps/m68k/fpu/s_ccosl.c: Likewise. * sysdeps/m68k/fpu/e_sqrt.c: Likewise. * sysdeps/m68k/fpu/s_sin.c: Likewise. * sysdeps/m68k/fpu/e_asin.c: Likewise. * sysdeps/m68k/fpu/mptan.c: Likewise. * sysdeps/m68k/fpu/e_exp10f.c: Likewise. * sysdeps/m68k/fpu/e_scalb.c: Likewise. * sysdeps/m68k/fpu/s_finitel.c: Likewise. * sysdeps/m68k/fpu/e_log10.c: Likewise. * sysdeps/m68k/fpu/k_sinl.c: Likewise. * sysdeps/m68k/fpu/e_remainderl.c: Likewise. * sysdeps/m68k/fpu/s_remquol.c: Likewise. * sysdeps/m68k/fpu/s_scalblnf.c: Likewise. * sysdeps/m68k/fpu/s_llrint.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2.c: Likewise. * sysdeps/m68k/fpu/e_asinl.c: Likewise. * sysdeps/m68k/fpu/e_logl.c: Likewise. * sysdeps/m68k/fpu/s_cosf.c: Likewise. * sysdeps/m68k/fpu/s_rint.c: Likewise. * sysdeps/m68k/fpu/s_ceill.c: Likewise. * sysdeps/m68k/fpu/s_modfl.c: Likewise. * sysdeps/m68k/fpu/s_csinl.c: Likewise. * sysdeps/m68k/fpu/s_tan.c: Likewise. * sysdeps/m68k/fpu/s_sincosf.c: Likewise. * sysdeps/m68k/fpu/dosincos.c: Likewise. * sysdeps/m68k/fpu/e_powl.c: Likewise. * sysdeps/m68k/fpu/s_ilogb.c: Likewise. * sysdeps/m68k/fpu/s_llrintl.c: Likewise. * sysdeps/m68k/fpu/e_expl.c: Likewise. * sysdeps/m68k/fpu/libm-test-ulps: Likewise. * sysdeps/m68k/fpu/s_tanf.c: Likewise. * sysdeps/m68k/fpu/mpsqrt.c: Likewise. * sysdeps/m68k/fpu/s_sinl.c: Likewise. * sysdeps/m68k/fpu/mathimpl.h: Likewise. * sysdeps/m68k/fpu/e_acosl.c: Likewise. * sysdeps/m68k/fpu/e_cosh.c: Likewise. * sysdeps/m68k/fpu/s_cexpl.c: Likewise. * sysdeps/m68k/fpu/s_fabsl.c: Likewise. * sysdeps/m68k/fpu/halfulp.c: Likewise. * sysdeps/m68k/fpu/s_modff.c: Likewise. * sysdeps/m68k/fpu/s_isnan.c: Likewise. * sysdeps/m68k/fpu/e_atan2.c: Likewise. * sysdeps/m68k/fpu/s_fabs.c: Likewise. * sysdeps/m68k/fpu/e_log10f.c: Likewise. * sysdeps/m68k/fpu/k_cosf.c: Likewise. * sysdeps/m68k/fpu/e_sinh.c: Likewise. * sysdeps/m68k/fpu/s_truncf.c: Likewise. * sysdeps/m68k/fpu/s_ceil.c: Likewise. * sysdeps/m68k/fpu/s_log1pf.c: Likewise. * sysdeps/m68k/fpu/e_logf.c: Likewise. * sysdeps/m68k/fpu/mpatan.c: Likewise. * sysdeps/m68k/fpu/s_csin.c: Likewise. * sysdeps/m68k/fpu/e_exp2l.c: Likewise. * sysdeps/m68k/fpu/e_sinhl.c: Likewise. * sysdeps/m68k/fpu/e_atan2l.c: Likewise. * sysdeps/m68k/fpu/s_scalbn.c: Likewise. * sysdeps/m68k/fpu/s_floorf.c: Likewise. * sysdeps/m68k/fpu/e_log2l.c: Likewise. * sysdeps/m68k/fpu/s_atanl.c: Likewise. * sysdeps/m68k/fpu/s_llrintf.c: Likewise. * sysdeps/m68k/fpu/k_sinf.c: Likewise. * sysdeps/m68k/fpu/s_csinhf.c: Likewise. * sysdeps/m68k/fpu/s_frexp.c: Likewise. * sysdeps/m68k/fpu/s_atanf.c: Likewise. * sysdeps/m68k/fpu/s_floor.c: Likewise. * sysdeps/m68k/fpu/e_exp10l.c: Likewise. * sysdeps/m68k/fpu/doasin.c: Likewise. * sysdeps/m68k/fpu/s_rintl.c: Likewise. * sysdeps/m68k/fpu/e_atanhl.c: Likewise. * sysdeps/m68k/fpu/e_remainderf.c: Likewise. * sysdeps/m68k/fpu/s_scalbln.c: Likewise. * sysdeps/m68k/fpu/e_rem_pio2l.c: Likewise. * sysdeps/m68k/fpu/e_exp10.c: Likewise. * sysdeps/m68k/fpu/s_lrintf.c: Likewise. * sysdeps/m68k/fpu/k_cos.c: Likewise. * sysdeps/m68k/fpu/s_lrint.c: Likewise. * sysdeps/m68k/fpu/s_ccosf.c: Likewise. * sysdeps/m68k/fpu/s_scalblnl.c: Likewise. * sysdeps/m68k/fpu/switch/Makefile: Likewise. * sysdeps/m68k/fpu/switch/switch.c: Likewise. * sysdeps/m68k/fpu/switch/68881-sw.h: Likewise. * sysdeps/m68k/fpu/switch/bits/mathinline.h: Likewise. * sysdeps/m68k/fpu/e_log.c: Likewise. * sysdeps/m68k/fpu/s_nextafterl.c: Likewise. * sysdeps/m68k/fpu/s_nearbyintl.c: Likewise. * sysdeps/m68k/fpu/mpatan2.c: Likewise. * sysdeps/m68k/fpu/k_sin.c: Likewise. * sysdeps/m68k/fpu/e_atanh.c: Likewise. * sysdeps/m68k/fpu/s_remquo.c: Likewise. * sysdeps/m68k/fpu/e_log10l.c: Likewise. * sysdeps/m68k/fpu/s_ceilf.c: Likewise. * sysdeps/m68k/fpu/s_fabsf.c: Likewise. * sysdeps/m68k/fpu/s_significandl.c: Likewise. * sysdeps/m68k/fpu/s_ccosh.c: Likewise. * sysdeps/m68k/fpu/e_coshl.c: Likewise. * sysdeps/m68k/fpu/s_scalbnf.c: Likewise. * sysdeps/m68k/fpu/s_finite.c: Likewise. * sysdeps/m68k/fpu/e_exp2f.c: Likewise. * sysdeps/m68k/fpu/k_rem_pio2f.c: Likewise. * sysdeps/m68k/fpu/s_isinfl.c: Likewise. * sysdeps/m68k/fpu/bits/mathinline.h: Likewise. * sysdeps/m68k/fpu/e_powf.c: Likewise. * sysdeps/m68k/rshift.S: Likewise. * sysdeps/m68k/lshift.S: Likewise. * sysdeps/m68k/strtold_l.c: Likewise. * sysdeps/m68k/printf_fphex.c: Likewise. * sysdeps/m68k/s_isinfl.c: Likewise. * sysdeps/m68k/bits/huge_vall.h: Likewise. * sysdeps/m68k/asm-syntax.h (andw, andl, subqw, tstw, tstl): New. * sysdeps/m68k/bits/byteswap.h (__bswap32): Don't define for Coldfire targets. * sysdeps/m68k/bits/setjmp.h (__jmp_buf): Add a 64-byte __fpregs field for Coldfire FPUs. * sysdeps/m68k/dl-machine.h: Include sysdep.h. (elf_machine_load_address): Use PCREL_OP. (_dl_start_user): Likewise. * sysdeps/m68k/dl-trampoline.S (_dl_runtime_resolve): Avoid jmp (%dN) on Coldfire; push the target address and use rts instead. (_dl_runtime_profile): Likewise. Round up the frame size to longword rather than word alignment. Avoid dbra on Coldfire. Avoid using jsr (%d0) on Coldfire; push the return address and target address and use rts instead. Use fmovem.l rather than fmovem.x on Coldfire. Add missing initialization of lrv_a0 and restore a0 from it after calling _dl_call_pltexit. Adjust the stack offsets of later data accordingly, fixing a previously incorrect offset for the inregs parameter. * sysdeps/m68k/fpu/fegetenv.c (__fegetenv): Save the control registers individually on Coldfire targets. * sysdeps/m68k/fpu/feholdexcpt.c (feholdexcept): Likewise. Add missing libm_hidden_def. * sysdeps/m68k/fpu/fesetenv.c (__fesetenv): Save and restore the control registers individually on Coldfire targets. * sysdeps/m68k/fpu/fesetround.c (fesetround): Add missing libm_hidden_def. * sysdeps/m68k/fpu_control.h: Add the Coldfire bit assignments to the main comment. (_FPU_DOUBLE): Define to 0 for Coldfire. (_FPU_EXTENDED): Don't define for Coldfire. (_FPU_RESERVED): Include bit 15 for Coldfire. * sysdeps/m68k/Implies: Remove ieee754/ldbl-96. * sysdeps/m68k/m680x0/Implies: Add it to this new file instead. * sysdeps/m68k/ldsodefs.h: New file. * sysdeps/m68k/__longjmp.c (__longjmp): Restore the floating-point registers when using a Coldfire FPU. * sysdeps/m68k/Makefile (long-double-fcts): Delete. * sysdeps/m68k/m680x0/Makefile: Add it to this new file instead. * sysdeps/m68k/memchr.S (__memchr): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/preconfigure (m680?0): Add "m680x0" to $machine. (m68k): Use the compiler to decide whether $machine should be set to m68k/coldfire or m68k/m680x0/m68020. * sysdeps/m68k/rawmemchr.S (__rawmemchr): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/setjmp.c (__sigsetjmp): Save the floating-point registers when using a Coldfire FPU. Use libc_hidden_def rather than hidden_def. * sysdeps/m68k/strchrnul.S (__strchrnul): Add Coldfire code. Avoid unnecessary moves. * sysdeps/m68k/strchr.S (strchr): Likewise. * sysdeps/m68k/sysdep.h (PCREL_OP): Define. * sysdeps/m68k/tst-audit.h: New file. * sysdeps/m68k/wcpcpy.c: Likewise. * sysdeps/m68k/wcpcpy_chk.c: Likewise. * sysdeps/unix/sysv/linux/m68k/configure.in: New file. * sysdeps/unix/sysv/linux/m68k/configure: Likewise. * sysdeps/unix/sysv/linux/m68k/clone.S (__clone): Add Coldfire code. * sysdeps/unix/sysv/linux/m68k/register-dump.h (real_catch_segfault): Do not define on Coldfire. (catch_segfault): Likewise. (register_dump): Use the Coldfire-specific sigcontext fields to display call-saved data and address registers (rather than the data stored in sc_fpstate by real_catch_segfault). Display 8-byte floating-point registers on Coldfire. * sysdeps/unix/sysv/linux/m68k/socket.S (__socket): Pass a temporary register to SINGLE_THREAD_P. * sysdeps/unix/sysv/linux/m68k/sys/reg.h (PT_FP0): Redefine for Coldfire. (PT_FP1, PT_FP2, PT_FP3, PT_FP4, PT_FP5, PT_FP6, PT_FP7): Likewise. * sysdeps/unix/sysv/linux/m68k/sys/ucontext.h (fpregset): Sync field order with linux. Make f_fpregs an 8*2 array on Coldfire. (ucontext): Sync field order with linux. * sysdeps/unix/sysv/linux/m68k/sysdep.h: Guard against multiple inclusion. (SYSCALL_ERROR_HANDLER): Use PCREL_OP. * sysdeps/unix/sysv/linux/m68k/syscalls.list (oldgetrlimit): Delete. (oldsetrlimit): Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/syscalls.list: New file. List oldgetrlimit and oldsetrlimit here instead. * sysdeps/unix/sysv/linux/m68k/bits/sigcontext.h: New file. * sysdeps/unix/sysv/linux/m68k/bits/siginfo.h: Likewise. * sysdeps/m68k/coldfire/bits/atomic.h: Likewise. * sysdeps/m68k/coldfire/fpu/e_sqrt.c: Likewise. * sysdeps/m68k/coldfire/fpu/e_sqrtf.c: Likewise. * sysdeps/m68k/coldfire/fpu/fraiseexcpt.c: Likewise. * sysdeps/m68k/coldfire/fpu/libm-test-ulps: Likewise. * sysdeps/m68k/coldfire/fpu/s_fabs.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_fabsf.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_lrint.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_lrintf.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rint.c: Likewise. * sysdeps/m68k/coldfire/fpu/s_rintf.c: Likewise. * sysdeps/m68k/coldfire/shlib-versions: Likewise.
2006-10-03 14:44:27 +00:00
#endif