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* sysdeps/unix/sysv/linux/mips/configure.in: New. Pre-process
asm/unistd.h into asm-unistd.h. * sysdeps/unix/sysv/linux/mips/configure: Generated. * sysdeps/unix/sysv/linux/mips/Makefile: Do custom processing of syscall list. * sysdeps/unix/sysv/linux/mips/sys/syscall.h: New file. * sysdeps/unix/sysv/linux/mips/clone.S: Don't include asm/unistd.h.
This commit is contained in:
Alexandre Oliva
parent
77f047e8a4
commit
bb4002d601
@ -8,4 +8,43 @@ ifeq ($(subdir),misc)
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sysdep_routines += cachectl cacheflush sysmips _test_and_set
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sysdep_headers += sys/cachectl.h sys/sysmips.h sys/tas.h
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no_syscall_list_h = 1
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# Generate the list of SYS_* macros for the system calls (__NR_* macros).
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# We generate not only SYS_<syscall>, pointing at SYS_<abi>_<syscall> if
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# it exists, but also define SYS_<abi>_<syscall> for all ABIs.
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$(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/mips/sys/syscall.h
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rm -f $(@:.h=.d)-t
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{ \
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echo '/* Generated at libc build time from kernel syscall list. */';\
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echo ''; \
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echo '#ifndef _SYSCALL_H'; \
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echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
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echo '#endif'; \
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echo ''; \
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rm -f $(@:.d=.h).newt; \
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SUNPRO_DEPENDENCIES='$(@:.h=.d)-t $@' \
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$(CC) -E -x c -I $(common-objdir) $(sysincludes) $< -D_LIBC -dM | \
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sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' > $(@:.d=.h).newt; \
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if grep SYS_O32_ $(@:.d=.h).newt > /dev/null; then \
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echo '#if defined _ABI64 && _MIPS_SIM == _ABI64'; \
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sed -n 's/^\(#define SYS_\)N64_/\1/p' < $(@:.d=.h).newt; \
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echo '#elif defined _ABIN32 && _MIPS_SIM == _ABIN32'; \
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sed -n 's/^\(#define SYS_\)N32_/\1/p' < $(@:.d=.h).newt; \
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echo '#else'; \
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sed -n 's/^\(#define SYS_\)O32_/\1/p' < $(@:.d=.h).newt; \
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echo '#endif'; \
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sed -n '/^#define SYS_\([ON]32\|N64\)_/p' < $(@:.d=.h).newt; \
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else \
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cat $(@:.d=.h).newt; \
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fi; \
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rm $(@:.d=.h).newt; \
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} > $(@:.d=.h).new
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mv -f $(@:.d=.h).new $(@:.d=.h)
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sed < $(@:.h=.d)-t > $(@:.h=.d)-t2 \
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-e 's,$(subst .,\.,$@),$(patsubst $(objpfx)%,$$(objpfx)%,\
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$(@:.d=.h) $(@:.h=.d)),'
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rm -f $(@:.h=.d)-t
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mv -f $(@:.h=.d)-t2 $(@:.h=.d)
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endif
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@ -21,7 +21,6 @@
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and invokes a function in the right context after its all over. */
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#include <sys/asm.h>
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#include <asm/unistd.h>
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#include <sysdep.h>
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#define _ERRNO_H 1
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#include <bits/errno.h>
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0
sysdeps/unix/sysv/linux/mips/configure
vendored
Normal file
0
sysdeps/unix/sysv/linux/mips/configure
vendored
Normal file
75
sysdeps/unix/sysv/linux/mips/configure.in
Normal file
75
sysdeps/unix/sysv/linux/mips/configure.in
Normal file
@ -0,0 +1,75 @@
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sinclude(./aclocal.m4)dnl Autoconf lossage
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/unix/sysv/linux/mips.
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case $machine in
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mips*64*)
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rm -f asm-unistd.h
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asm_unistd_h=$sysheaders/asm/unistd.h
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if test ! -f $asm_unistd_h; then
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# Try to find asm/unistd.h in compiler header search path.
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try_asm_unistd_h=`echo '#include <asm/unistd.h>' | $CPP - |
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sed -n '/^# 1 "\(\/[^"]*\)".*/{s,,\1,p;q;}'`
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if test -n "$try_asm_unistd_h" &&
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test -f "$try_asm_unistd_h"; then
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asm_unistd_h=$try_asm_unistd_h
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fi
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fi
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if test ! -f "$asm_unistd_h"; then
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AC_MSG_WARN([*** asm/unistd.h not found, it will not be pre-processed])
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echo '#include <asm/unistd.h>' > asm-unistd.h
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else
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# The point of this preprocessing is to turn __NR_<syscall> into
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# __NR_N64_<syscall>, as well as to define __NR_<syscall> to
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# __NR_<abi>_<syscall>, if __NR_<abi>_<syscall> is defined
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# and <abi> is the compiler-enabled ABI.
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cat "$asm_unistd_h" |
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sed -e 's,__NR_,__NR_N64_,g' \
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-e 's,__NR_N64_##,__NR_##,g' \
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-e 's,__NR_N64_O32_,__NR_O32_,g' \
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-e 's,__NR_N64_N32_,__NR_N32_,g' \
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-e 's,__NR_N64_N64_,__NR_N64_,g' \
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| awk > asm-unistd.h '
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/^#define __NR.*unused/ { print; next; }
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/^#define __NR_N64__exit __NR_N64_exit/ {
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print "#define __NR__exit __NR_exit";
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print "#define __NR_O32__exit __NR_O32_exit";
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print "#define __NR_N32__exit __NR_N32_exit";
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print; next;
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}
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/^#define __NR_O32_/ {
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name = $2;
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sub (/_O32_/, "_", name);
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print;
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print "#if _MIPS_SIM == _MIPS_SIM_ABI32";
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print "# define " name " " $2;
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print "#endif";
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next;
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}
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/^#define __NR_N32_/ {
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name = $2;
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sub (/_N32_/, "_", name);
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print;
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print "#if defined _ABIN32 && _MIPS_SIM == _ABIN32";
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print "# define " name " " $2;
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print "#endif";
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next;
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}
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/^#define __NR_N64_/ {
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name = $2;
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sub (/_N64_/, "_", name);
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print;
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print "#if defined _ABI64 && _MIPS_SIM == _ABI64";
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print "# define " name " " $2;
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print "#endif";
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next;
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}
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{
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print;
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}'
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fi ;;
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mips*)
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rm -f asm-unistd.h
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echo '#include <asm/unistd.h>' > asm-unistd.h
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;;
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esac
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42
sysdeps/unix/sysv/linux/mips/sys/syscall.h
Normal file
42
sysdeps/unix/sysv/linux/mips/sys/syscall.h
Normal file
@ -0,0 +1,42 @@
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/* Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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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
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _SYSCALL_H
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#define _SYSCALL_H 1
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/* This file should list the numbers of the system the system knows.
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But instead of duplicating this we use the information available
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from the kernel sources. */
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#ifdef _LIBC
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/* Since the kernel doesn't define macro names in a way usable for
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glibc, we preprocess this header, and use it during the glibc build
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process. */
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# include <asm-unistd.h>
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#else
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# include <asm/unistd.h>
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#endif
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#ifndef _LIBC
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/* The Linux kernel header file defines macros `__NR_<name>', but some
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programs expect the traditional form `SYS_<name>'. So in building libc
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we scan the kernel's list and produce <bits/syscall.h> with macros for
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all the `SYS_' names. */
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# include <bits/syscall.h>
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#endif
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#endif
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