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author | Andreas Jaeger <aj@suse.de> | 2012-03-27 21:35:36 +0200 |
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committer | Andreas Jaeger <aj@suse.de> | 2012-03-27 21:35:36 +0200 |
commit | 1e3cdfda7486316198ec0587a8aa96f50e88b3bc (patch) | |
tree | 4badfb248f3392b95be5b86d747c98331409dca7 /sysdeps/i386 | |
parent | c876e002a2484d53c797140c005f3630e6abec72 (diff) | |
parent | d6373f9ce3972a1891e4d09479a98e0dbc7e3d73 (diff) | |
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Merge branch 'elf-move'
Conflicts:
debug/backtracesymsfd.c
sysdeps/generic/elf/backtracesymsfd.c
sysdeps/i386/configure.in
Diffstat (limited to 'sysdeps/i386')
-rw-r--r-- | sysdeps/i386/Versions | 6 | ||||
-rw-r--r-- | sysdeps/i386/configure | 44 | ||||
-rw-r--r-- | sysdeps/i386/configure.in | 34 | ||||
-rw-r--r-- | sysdeps/i386/elf/Versions | 6 | ||||
-rw-r--r-- | sysdeps/i386/elf/configure | 128 | ||||
-rw-r--r-- | sysdeps/i386/elf/configure.in | 36 | ||||
-rw-r--r-- | sysdeps/i386/start.S (renamed from sysdeps/i386/elf/start.S) | 3 |
7 files changed, 85 insertions, 172 deletions
diff --git a/sysdeps/i386/Versions b/sysdeps/i386/Versions index b0230d31cf..7be44aad7a 100644 --- a/sysdeps/i386/Versions +++ b/sysdeps/i386/Versions @@ -1,3 +1,9 @@ +ld { + GLIBC_2.3 { + # The alternative i386 runtime interface to TLS. + ___tls_get_addr; + } +} libc { GLIBC_2.0 { # Functions from libgcc. diff --git a/sysdeps/i386/configure b/sysdeps/i386/configure index baa66096a6..e60b4982e4 100644 --- a/sysdeps/i386/configure +++ b/sysdeps/i386/configure @@ -348,3 +348,47 @@ fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_novzeroupper" >&5 $as_echo "$libc_cv_cc_novzeroupper" >&6; } + +# Check for support of thread-local storage handling in assembler and +# linker. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for i386 TLS support" >&5 +$as_echo_n "checking for i386 TLS support... " >&6; } +if ${libc_cv_386_tls+:} false; then : + $as_echo_n "(cached) " >&6 +else + cat > conftest.s <<\EOF + .section ".tdata", "awT", @progbits + .globl foo +foo: .long 1 + .section ".tbss", "awT", @nobits + .globl bar +bar: .skip 4 + .text +baz: leal bar@TLSLDM(%ebx), %eax + leal bar@DTPOFF(%eax), %edx + subl foo@GOTTPOFF(%edx), %eax + subl $bar@TPOFF, %eax + movl foo@GOTNTPOFF(%edx), %ecx + movl %gs:(%ecx), %eax + movl %gs:bar@NTPOFF, %eax +EOF +if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + libc_cv_386_tls=yes +else + libc_cv_386_tls=no +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_386_tls" >&5 +$as_echo "$libc_cv_386_tls" >&6; } +if test $libc_cv_386_tls = no; then + as_fn_error $? "the assembler must support TLS" "$LINENO" 5 +fi + +$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h + diff --git a/sysdeps/i386/configure.in b/sysdeps/i386/configure.in index 7b4879d54a..b9e6f9eef4 100644 --- a/sysdeps/i386/configure.in +++ b/sysdeps/i386/configure.in @@ -85,3 +85,37 @@ LIBC_TRY_CC_OPTION([-mno-vzeroupper], [libc_cv_cc_novzeroupper=yes], [libc_cv_cc_novzeroupper=no]) ]) + +# Check for support of thread-local storage handling in assembler and +# linker. +AC_CACHE_CHECK(for i386 TLS support, libc_cv_386_tls, [dnl +cat > conftest.s <<\EOF + .section ".tdata", "awT", @progbits + .globl foo +foo: .long 1 + .section ".tbss", "awT", @nobits + .globl bar +bar: .skip 4 + .text +baz: leal bar@TLSLDM(%ebx), %eax + leal bar@DTPOFF(%eax), %edx + subl foo@GOTTPOFF(%edx), %eax + subl $bar@TPOFF, %eax + movl foo@GOTNTPOFF(%edx), %ecx + movl %gs:(%ecx), %eax + movl %gs:bar@NTPOFF, %eax +EOF +dnl +if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then + libc_cv_386_tls=yes +else + libc_cv_386_tls=no +fi +rm -f conftest*]) +if test $libc_cv_386_tls = no; then + AC_MSG_ERROR([the assembler must support TLS]) +fi + +dnl It is always possible to access static and hidden symbols in an +dnl position independent way. +AC_DEFINE(PI_STATIC_AND_HIDDEN) diff --git a/sysdeps/i386/elf/Versions b/sysdeps/i386/elf/Versions deleted file mode 100644 index 5ca6686b83..0000000000 --- a/sysdeps/i386/elf/Versions +++ /dev/null @@ -1,6 +0,0 @@ -ld { - GLIBC_2.3 { - # The alternative i386 runtime interface to TLS. - ___tls_get_addr; - } -} diff --git a/sysdeps/i386/elf/configure b/sysdeps/i386/elf/configure deleted file mode 100644 index 83e89bd0a0..0000000000 --- a/sysdeps/i386/elf/configure +++ /dev/null @@ -1,128 +0,0 @@ - -# as_fn_set_status STATUS -# ----------------------- -# Set $? to STATUS, without forking. -as_fn_set_status () -{ - return $1 -} # as_fn_set_status - -# as_fn_exit STATUS -# ----------------- -# Exit the shell with STATUS, even in a "trap 0" or "set -e" context. -as_fn_exit () -{ - set +e - as_fn_set_status $1 - exit $1 -} # as_fn_exit -if expr a : '\(a\)' >/dev/null 2>&1 && - test "X`expr 00001 : '.*\(...\)'`" = X001; then - as_expr=expr -else - as_expr=false -fi - -if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then - as_basename=basename -else - as_basename=false -fi - -as_me=`$as_basename -- "$0" || -$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \ - X"$0" : 'X\(//\)$' \| \ - X"$0" : 'X\(/\)' \| . 2>/dev/null || -$as_echo X/"$0" | - sed '/^.*\/\([^/][^/]*\)\/*$/{ - s//\1/ - q - } - /^X\/\(\/\/\)$/{ - s//\1/ - q - } - /^X\/\(\/\).*/{ - s//\1/ - q - } - s/.*/./; q'` - - - as_lineno_1=$LINENO as_lineno_1a=$LINENO - as_lineno_2=$LINENO as_lineno_2a=$LINENO - eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" && - test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || { - # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-) - sed -n ' - p - /[$]LINENO/= - ' <$as_myself | - sed ' - s/[$]LINENO.*/&-/ - t lineno - b - :lineno - N - :loop - s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/ - t loop - s/-\n.*// - ' >$as_me.lineno && - chmod +x "$as_me.lineno" || - { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; } - - # Don't try to exec as it changes $[0], causing all sort of problems - # (the dirname of $[0] is not the place where we might find the - # original and so on. Autoconf is especially sensitive to this). - . "./$as_me.lineno" - # Exit status is that of the last command. - exit -} - -# This file is generated from configure.in by Autoconf. DO NOT EDIT! - # Local configure fragment for sysdeps/i386/elf. - -# Check for support of thread-local storage handling in assembler and -# linker. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for i386 TLS support" >&5 -$as_echo_n "checking for i386 TLS support... " >&6; } -if ${libc_cv_386_tls+:} false; then : - $as_echo_n "(cached) " >&6 -else - cat > conftest.s <<\EOF - .section ".tdata", "awT", @progbits - .globl foo -foo: .long 1 - .section ".tbss", "awT", @nobits - .globl bar -bar: .skip 4 - .text -baz: leal bar@TLSLDM(%ebx), %eax - leal bar@DTPOFF(%eax), %edx - subl foo@GOTTPOFF(%edx), %eax - subl $bar@TPOFF, %eax - movl foo@GOTNTPOFF(%edx), %ecx - movl %gs:(%ecx), %eax - movl %gs:bar@NTPOFF, %eax -EOF -if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5' - { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; }; then - libc_cv_386_tls=yes -else - libc_cv_386_tls=no -fi -rm -f conftest* -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_386_tls" >&5 -$as_echo "$libc_cv_386_tls" >&6; } -if test $libc_cv_386_tls = no; then - as_fn_error $? "the assembler must support TLS" "$LINENO" 5 -fi - -$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h - diff --git a/sysdeps/i386/elf/configure.in b/sysdeps/i386/elf/configure.in deleted file mode 100644 index 0c436f3f41..0000000000 --- a/sysdeps/i386/elf/configure.in +++ /dev/null @@ -1,36 +0,0 @@ -GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. -# Local configure fragment for sysdeps/i386/elf. - -# Check for support of thread-local storage handling in assembler and -# linker. -AC_CACHE_CHECK(for i386 TLS support, libc_cv_386_tls, [dnl -cat > conftest.s <<\EOF - .section ".tdata", "awT", @progbits - .globl foo -foo: .long 1 - .section ".tbss", "awT", @nobits - .globl bar -bar: .skip 4 - .text -baz: leal bar@TLSLDM(%ebx), %eax - leal bar@DTPOFF(%eax), %edx - subl foo@GOTTPOFF(%edx), %eax - subl $bar@TPOFF, %eax - movl foo@GOTNTPOFF(%edx), %ecx - movl %gs:(%ecx), %eax - movl %gs:bar@NTPOFF, %eax -EOF -dnl -if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then - libc_cv_386_tls=yes -else - libc_cv_386_tls=no -fi -rm -f conftest*]) -if test $libc_cv_386_tls = no; then - AC_MSG_ERROR([the assembler must support TLS]) -fi - -dnl It is always possible to access static and hidden symbols in an -dnl position independent way. -AC_DEFINE(PI_STATIC_AND_HIDDEN) diff --git a/sysdeps/i386/elf/start.S b/sysdeps/i386/start.S index 992c358c07..990f3715d5 100644 --- a/sysdeps/i386/elf/start.S +++ b/sysdeps/i386/start.S @@ -1,6 +1,5 @@ /* Startup code compliant to the ELF i386 ABI. - Copyright (C) 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2004 - Free Software Foundation, Inc. + Copyright (C) 1995-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or |