# Expect script for linker support of IFUNC symbols and relocations.
#
-# Copyright 2009 Free Software Foundation, Inc.
+# Copyright 2009, 2010 Free Software Foundation, Inc.
# Contributed by Red Hat.
#
# This file is part of the GNU Binutils.
# Written by Nick Clifton <nickc@redhat.com>
-# IFUNC support has only been implemented for the x86_64 and ix86 so far.
-if {! ( [istarget "x86_64-*-elf*"]
- || [istarget "x86_64-*-linux*"]
- || [istarget "i?86-*-elf*"]
- || [istarget "i?86-*-linux*"]) } {
+# IFUNC support has only been implemented for the ix86, x86_64, powerpc,
+# and sparc so far.
+if {!(([istarget "i?86-*-*"]
+ || [istarget "x86_64-*-*"]
+ || [istarget "powerpc*-*-*"]
+ || [istarget "sparc*-*-*"])
+ && ([istarget "*-*-elf*"]
+ || (([istarget "*-*-linux*"]
+ || [istarget "*-*-gnu*"])
+ && ![istarget "*-*-*aout*"]
+ && ![istarget "*-*-*oldld*"]))) } {
verbose "IFUNC tests not run - target does not support IFUNC"
return
}
return 1
}
+# A procedure to confirm that a file contains the R_*_IRELATIVE
+# relocation.
+# Returns -1 upon error, 0 if the relocation was not found and 1 if
+# it was found.
+proc contains_irelative_reloc { binary_file } {
+ global READELF
+ global READELFFLAGS
+
+ catch "exec $READELF $READELFFLAGS --relocs --wide $binary_file > readelf.out" got
+
+ if ![string match "" $got] then {
+ verbose "proc contains_irelative_reloc: Readelf produced unexpected out processing $binary_file: $got"
+ return -1
+ }
+
+ # Look for a line like this:
+ # 0000000000600ab0 0000000000000025 R_X86_64_IRELATIVE 000000000040061c
+ # 080496f4 0000002a R_386_IRELATIVE
+
+
+ if { ![regexp "\[0-9a-f\]+\[ \]+\[0-9a-f\]+\[ \]+R_\[_0-9A-Z\]+_IREL(|ATIVE)\[ \]*\[0-9a-f\]*\n" [file_contents readelf.out]] } {
+ return 0
+ }
+
+ return 1
+}
+
# A procedure to confirm that a file contains a relocation that references an IFUNC symbol.
# Returns -1 upon error, 0 if the reloc was not found and 1 if it was found.
proc contains_ifunc_reloc { binary_file } {
set fails 0
# Create the object files, libraries and executables.
-if ![ld_compile "$CC -c -shared -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] {
- fail "Could not create a shared object file"
+if ![ld_compile "$CC -c -fPIC" "$srcdir/$subdir/prog.c" "tmpdir/shared_prog.o"] {
+ fail "Could not create a PIC object file"
+ set fails [expr $fails + 1]
+}
+if ![ld_compile "$CC -c" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] {
+ fail "Could not create a non-PIC object file"
+ set fails [expr $fails + 1]
+}
+if ![ld_compile "$CC -c -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shared_ifunc.o"] {
+ fail "Could not create a PIC object file containing an IFUNC symbol"
set fails [expr $fails + 1]
}
-if ![ld_compile "$CC -c -static" "$srcdir/$subdir/prog.c" "tmpdir/static_prog.o"] {
- fail "Could not create a static object file"
+if ![ld_compile "$CC -c -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] {
+ fail "Could not create a non-PIC object file containing an IFUNC symbol"
set fails [expr $fails + 1]
}
-if ![ld_compile "$CC -c -shared -fPIC -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/shared_ifunc.o"] {
- fail "Could not create an object file containing an IFUNC symbol"
+if ![ld_compile "$CC -c -DWITHOUT_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_noifunc.o"] {
+ fail "Could not create an ordinary non-PIC object file"
set fails [expr $fails + 1]
}
-if ![ld_compile "$CC -c -static -DWITH_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_ifunc.o"] {
- fail "Could not create a static object file containing an IFUNC symbol"
+if ![ld_assemble $as "$srcdir/ld-elf/empty.s" "tmpdir/empty.o"] {
+ fail "Could not create an empty object file"
set fails [expr $fails + 1]
}
-if ![ld_compile "$CC -c -static -DWITHOUT_IFUNC" "$srcdir/$subdir/lib.c" "tmpdir/static_noifunc.o"] {
- fail "Could not create an ordinary static object file"
+if ![ld_compile "$CC -c" "$srcdir/$subdir/test-1.c" "tmpdir/test-1.o"] {
+ fail "Could not create test-1.o"
+ set fails [expr $fails + 1]
+}
+if ![ld_compile "$CC -fPIC -c" "$srcdir/$subdir/test-2.c" "tmpdir/test-2.o"] {
+ fail "Could not create test-2.o"
set fails [expr $fails + 1]
}
fail "Could not link a dynamic executable"
set fails [expr $fails + 1]
}
-if ![default_ld_link $ld "tmpdir/static_prog" "-Ltmpdir tmpdir/static_prog.o -lifunc"] {
+if ![default_ld_link $ld "tmpdir/local_prog" "-Ltmpdir tmpdir/static_prog.o -lifunc"] {
+ fail "Could not link a dynamic executable using local ifunc"
+ set fails [expr $fails + 1]
+}
+if ![default_ld_link $ld "tmpdir/static_prog" "-static -Ltmpdir tmpdir/static_prog.o -lifunc"] {
fail "Could not link a static executable"
set fails [expr $fails + 1]
}
-if ![default_ld_link $ld "tmpdir/static_nonifunc_prog" "-Ltmpdir tmpdir/static_prog.o tmpdir/static_noifunc.o"] {
+if ![ld_simple_link $ld "tmpdir/static_nonifunc_prog" "-static tmpdir/empty.o"] {
fail "Could not link a non-ifunc using static executable"
set fails [expr $fails + 1]
}
+if ![default_ld_link $ld "tmpdir/test-1" "tmpdir/test-1.o tmpdir/libshared_ifunc.so"] {
+ fail "Could not link test-1"
+ set fails [expr $fails + 1]
+}
+if ![ld_simple_link $ld "tmpdir/libtest-2.so" "-shared tmpdir/test-2.o"] {
+ fail "Could not link libtest-2.so"
+ set fails [expr $fails + 1]
+}
if { $fails == 0 } {
pass "Building ifunc binaries"
return
}
-# Check the executables.
+# Check the executables and shared libraries
#
-# The linked ifunc using executables should have an OSABI field of LINUX
-# The linked non-ifunc using executable should have an OSABI field of NONE (aka System V).
+# The linked ifunc using executables and the shared library containing
+# ifunc should have an OSABI field of LINUX. The linked non-ifunc using
+# executable should have an OSABI field of NONE (aka System V).
+if {! [check_osabi tmpdir/libshared_ifunc.so {UNIX - Linux}]} {
+ fail "Shared libraries containing ifunc does not have an OS/ABI field of LINUX"
+ set fails [expr $fails + 1]
+}
+if {! [check_osabi tmpdir/local_prog {UNIX - Linux}]} {
+ fail "Local ifunc-using executable does not have an OS/ABI field of LINUX"
+ set fails [expr $fails + 1]
+}
if {! [check_osabi tmpdir/static_prog {UNIX - Linux}]} {
fail "Static ifunc-using executable does not have an OS/ABI field of LINUX"
set fails [expr $fails + 1]
}
-if {! [check_osabi tmpdir/dynamic_prog {UNIX - Linux}]} {
- fail "Dynamic ifunc-using executable does not have an OS/ABI field of LINUX"
+if {! [check_osabi tmpdir/dynamic_prog {UNIX - System V}]} {
+ fail "Dynamic ifunc-using executable does not have an OS/ABI field of System V"
set fails [expr $fails + 1]
}
if {! [check_osabi tmpdir/static_nonifunc_prog {UNIX - System V}]} {
set fails [expr $fails + 1]
}
-# The linked ifunc using executables should contain an IFUNC symbol,
-# The non-ifunc using executable should not.
+# The linked ifunc using executables and the shared library containing
+# ifunc should contain an IFUNC symbol. The non-ifunc using executable
+# should not.
+if {[contains_ifunc_symbol tmpdir/libshared_ifunc.so] != 1} {
+ fail "Shared libraries containing ifunc does not contain an IFUNC symbol"
+ set fails [expr $fails + 1]
+}
+if {[contains_ifunc_symbol tmpdir/local_prog] != 1} {
+ fail "Local ifunc-using executable does not contain an IFUNC symbol"
+ set fails [expr $fails + 1]
+}
if {[contains_ifunc_symbol tmpdir/static_prog] != 1} {
fail "Static ifunc-using executable does not contain an IFUNC symbol"
set fails [expr $fails + 1]
}
-if {[contains_ifunc_symbol tmpdir/dynamic_prog] != 1} {
- fail "Dynamic ifunc-using executable does not contain an IFUNC symbol"
+if {[contains_ifunc_symbol tmpdir/dynamic_prog] != 0} {
+ fail "Dynamic ifunc-using executable contains an IFUNC symbol"
set fails [expr $fails + 1]
}
if {[contains_ifunc_symbol tmpdir/static_nonifunc_prog] != 0} {
fail "Static non-ifunc-using executable contains an IFUNC symbol"
set fails [expr $fails + 1]
}
+if {[contains_ifunc_symbol tmpdir/test-1] != 0} {
+ fail "test-1 contains IFUNC symbols"
+ set fails [expr $fails + 1]
+}
+if {[contains_ifunc_symbol tmpdir/libtest-2.so] != 0} {
+ fail "libtest-2.so contains IFUNC symbols"
+ set fails [expr $fails + 1]
+}
-# The linked ifunc using executablea should contain a dynamic reloc referencing the IFUNC symbol.
-# (Even the static executable which should have a dynamic section created for it).
-# The non-ifunc using executable should not.
+# The linked ifunc using executables and shared libraries should contain
+# a dynamic reloc referencing the IFUNC symbol. (Even the static
+# executable which should have a dynamic section created for it). The
+# non-ifunc using executable should not.
-if {[contains_ifunc_reloc tmpdir/static_prog] != 1} {
- fail "Static ifunc-using executable does not contain a reloc against an IFUNC symbol"
+if {[contains_irelative_reloc tmpdir/libshared_ifunc.so] != 1} {
+ fail "ifunc-using shared library does not contain R_*_IRELATIVE relocation"
set fails [expr $fails + 1]
}
-if {[contains_ifunc_reloc tmpdir/dynamic_prog] != 1} {
- fail "Dynamic ifunc-using executable does not contain a reloc against an IFUNC symbol"
+if {[contains_irelative_reloc tmpdir/local_prog] != 1} {
+ fail "Local ifunc-using executable does not contain R_*_IRELATIVE relocation"
+ set fails [expr $fails + 1]
+}
+if {[contains_irelative_reloc tmpdir/static_prog] != 1} {
+ fail "Static ifunc-using executable does not contain R_*_IRELATIVE relocation"
+ set fails [expr $fails + 1]
+}
+if {[contains_ifunc_reloc tmpdir/dynamic_prog] != 0} {
+ fail "Dynamic ifunc-using executable contains a reloc against an IFUNC symbol"
set fails [expr $fails + 1]
}
if {[contains_ifunc_reloc tmpdir/static_nonifunc_prog] == 1} {
remote_file host delete "tmpdir/libshared_ifunc.so"
remote_file host delete "tmpdir/libifunc.a"
remote_file host delete "tmpdir/dynamic_prog"
+ remote_file host delete "tmpdir/local_prog"
remote_file host delete "tmpdir/static_prog"
remote_file host delete "tmpdir/static_nonifunc_prog"
}
+
+set test_list [lsort [glob -nocomplain $srcdir/$subdir/*.d]]
+foreach t $test_list {
+ # We need to strip the ".d", but can leave the dirname.
+ verbose [file rootname $t]
+ run_dump_test [file rootname $t]
+}
projects / deliverable / binutils-gdb.git / blobdiff