diff options
| -rw-r--r-- | ChangeLog | 14 | ||||
| -rw-r--r-- | sysdeps/x86_64/Makefile | 1 | ||||
| -rw-r--r-- | sysdeps/x86_64/multiarch/rtld-rawmemchr.c | 1 | ||||
| -rw-r--r-- | sysdeps/x86_64/rtld-memchr.c | 1 | ||||
| -rw-r--r-- | sysdeps/x86_64/rtld-rawmemchr.c | 1 | ||||
| -rwxr-xr-x | sysdeps/x86_64/tst-xmmymm.sh | 80 |
6 files changed, 86 insertions, 12 deletions
@@ -1,5 +1,19 @@ 2009-07-27 Ulrich Drepper <drepper@redhat.com> + * sysdeps/x86_64/tst-xmmymm.sh: Refine testing. The script now + determines which files are used in runtime lookups and only checks + those for SSE use. + * sysdeps/x86_64/rtld-memchr.c: Removed. Not needed with refined + testing. + * sysdeps/x86_64/rtld-rawmemchr.c: Removed. + * sysdeps/x86_64/multiarch/rtld-rawmemchr.c: Removed + * sysdeps/x86_64/Makefile: Emit warning that tst-xmmymm.sh might + take a while. + + * elf/dl-open.c: Move _dl_scope_free to... + * elf/dl-scope.c: ...here. New file. + * elf/Makefile (dl-routines): Add scope. + * resolv/resolv.h (RES_USE_DNSSEC): Define. * resolv/res_debug.c (p_option): Handle RES_USE_EDNS0 and RES_USE_DNSSEC. diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile index 57cd88432a..e8d0285e26 100644 --- a/sysdeps/x86_64/Makefile +++ b/sysdeps/x86_64/Makefile @@ -22,6 +22,7 @@ sysdep-rtld-routines += tlsdesc dl-tlsdesc tests: $(objpfx)tst-xmmymm.out $(objpfx)tst-xmmymm.out: ../sysdeps/x86_64/tst-xmmymm.sh $(objpfx)ld.so + @echo "Checking ld.so for SSE register use. This will take a few seconds..." $(SHELL) -e $< $(objpfx) > $@ endif diff --git a/sysdeps/x86_64/multiarch/rtld-rawmemchr.c b/sysdeps/x86_64/multiarch/rtld-rawmemchr.c deleted file mode 100644 index 53a90675ab..0000000000 --- a/sysdeps/x86_64/multiarch/rtld-rawmemchr.c +++ /dev/null @@ -1 +0,0 @@ -#include "../rtld-rawmemchr.c" diff --git a/sysdeps/x86_64/rtld-memchr.c b/sysdeps/x86_64/rtld-memchr.c deleted file mode 100644 index f63fefbcec..0000000000 --- a/sysdeps/x86_64/rtld-memchr.c +++ /dev/null @@ -1 +0,0 @@ -#include <string/memchr.c> diff --git a/sysdeps/x86_64/rtld-rawmemchr.c b/sysdeps/x86_64/rtld-rawmemchr.c deleted file mode 100644 index 2b9189393c..0000000000 --- a/sysdeps/x86_64/rtld-rawmemchr.c +++ /dev/null @@ -1 +0,0 @@ -#include <string/rawmemchr.c> diff --git a/sysdeps/x86_64/tst-xmmymm.sh b/sysdeps/x86_64/tst-xmmymm.sh index 0735276e6d..a576e7da0d 100755 --- a/sysdeps/x86_64/tst-xmmymm.sh +++ b/sysdeps/x86_64/tst-xmmymm.sh @@ -1,17 +1,79 @@ -#! /bin/sh +#! /bin/bash objpfx="$1" tmp=$(mktemp ${objpfx}tst-xmmymm.XXXXXX) trap 'rm -f "$tmp"' 1 2 3 15 -objdump -d "${objpfx}ld.so" | -awk 'BEGIN { last="" } /^[[:xdigit:]]* <[_[:alnum:]]*>:$/ { fct=substr($2, 2, length($2)-3) } /,%[xy]mm[[:digit:]]*$/ { if (last != fct) { print fct; last=fct} }' | -tee "$tmp" +# List of object files we have to test +rtldobjs=$(readelf -W -wi ${objpfx}dl-allobjs.os | + awk '/^ </ { if ($5 == "(DW_TAG_compile_unit)") c=1; else c=0 } $2 == "DW_AT_name" { if (c == 1) print $NF }' | + sed 's,\(.*/\|\)\([_[:alnum:]-]*[.]\).$,\2os,') +rtldobjs="$rtldobjs $(ar t ${objpfx}rtld-libc.a)" -echo "Functions which incorrectly modify xmm/ymm registers:" -err=1 -egrep -vs '^_dl_runtime_profile$' "$tmp" || err=0 -if test $err -eq 0; then echo "None"; fi +# OBJECT symbols can be ignored. +readelf -sW ${objpfx}dl-allobjs.os ${objpfx}rtld-libc.a | +egrep " OBJECT *GLOBAL " | +awk '{if ($7 != "ABS") print $8 }' | +sort -u > "$tmp" +declare -a objects +objects=($(cat "$tmp")) + +objs="dl-runtime.os" +tocheck="dl-runtime.os" + +while test -n "$objs"; do + this="$objs" + objs="" + + for f in $this; do + undef=$(nm -u "$objpfx"../*/"$f" | awk '{print $2}') + if test -n "$undef"; then + for s in $undef; do + for obj in ${objects[*]} "_GLOBAL_OFFSET_TABLE_"; do + if test "$obj" = "$s"; then + continue 2 + fi + done + for o in $rtldobjs; do + ro=$(echo "$objpfx"../*/"$o") + if nm -g --defined-only "$ro" | egrep -qs " $s\$"; then + if ! (echo "$tocheck $objs" | fgrep -qs "$o"); then + echo "$o needed for $s" + objs="$objs $o" + fi + break; + fi + done + done + fi + done + tocheck="$tocheck$objs" +done + +echo +echo +echo "object files needed: $tocheck" + +cp /dev/null "$tmp" +for f in $tocheck; do + objdump -d "$objpfx"../*/"$f" | + awk 'BEGIN { last="" } /^[[:xdigit:]]* <[_[:alnum:]]*>:$/ { fct=substr($2, 2, length($2)-3) } /,%[xy]mm[[:digit:]]*$/ { if (last != fct) { print fct; last=fct} }' | + while read fct; do + if test "$fct" != "_dl_runtime_profile"; then + echo "function $fct in $f modifies xmm/ymm" >> "$tmp" + result=1 + fi + done +done + +if test -s "$tmp"; then + echo + echo + cat "$tmp" + result=1 +else + result=0 +fi rm "$tmp" -exit $err +exit $result |