# Expect script for linker support of STB_GNU_UNIQUE symbols
#
-# Copyright (C) 2009-2015 Free Software Foundation, Inc.
+# Copyright (C) 2009-2024 Free Software Foundation, Inc.
# Contributed by Red Hat.
#
# This file is part of the GNU Binutils.
# Adapted for unique checking by Mark J. Wielaard <mjw@redhat.com>
-# STB_GNU_UNIQUE support has only been implemented for the ix86, x86_64,
-# arm, powerpc, and sparc so far.
-if {!(([istarget "i?86-*-*"]
- || [istarget "x86_64-*-*"]
- || [istarget "arm*-*-*"]
- || [istarget "powerpc*-*-*"]
- || [istarget "sparc*-*-*"])
- && ([istarget "*-*-elf*"]
- || [istarget "*-*-nacl*"]
- || (([istarget "*-*-linux*"]
- || [istarget "*-*-gnu*"])
- && ![istarget "*-*-*aout*"]
- && ![istarget "*-*-*oldld*"]))) } {
- verbose "UNIQUE tests not run - target does not support UNIQUE"
+# Exclude non-ELF targets.
+if { ![is_elf_format] } {
return
}
-# We need a native system. FIXME: Strictly speaking this
-# is not true, we just need to know how to create a fully
-# linked executable, including the C and Z libraries, using
-# the linker that is under test.
-if ![isnative] {
- verbose "UNIQUE tests not run - not a native toolchain"
+# Require STB_GNU_UNIQUE support with OSABI set to GNU.
+if { ![supports_gnu_unique] || [istarget tic6x-*-*] } {
+ verbose "UNIQUE tests not run - target does not support UNIQUE"
return
}
+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]
+}
+
# We need a working compiler. (Strictly speaking this is
# not true, we could use target specific assembler files).
-if { [which $CC] == 0 } {
- verbose "UNIQUE tests not run - no compiler available"
+if { ![check_compiler_available] } {
+ verbose "UNIQUE compiled tests not run - no compiler available"
return
}
# Look for a line like this:
# 54: 0000000000400474 4 OBJECT UNIQUE DEFAULT 13 a
- if { ![regexp ".*\[ \]*OBJECT\[ \]+UNIQUE\[ \]+DEFAULT\[ \]+\[UND0-9\]+\[ \]+\[ab\]\n" [file_contents readelf.out]] } {
+ if { ![regexp ".*\[ \]*OBJECT\[ \]+UNIQUE\[ \]+DEFAULT\[ \]+\[UND0-9\]+\[ \]+\[ab\]_val\n" [file_contents readelf.out]] } {
return 0
}
set fails 0
# Create object file containing unique symbol.
-if ![ld_compile "$CC -c" "$srcdir/$subdir/unique.s" "tmpdir/unique.o"] {
+if ![ld_compile "$CC_FOR_TARGET -c" "$srcdir/$subdir/unique.s" "tmpdir/unique.o"] {
fail "Could not create a unique object"
set fails [expr $fails + 1]
}
# Create object file NOT containing unique symbol.
-if ![ld_compile "$CC -c" "$srcdir/$subdir/unique_empty.s" "tmpdir/unique_empty.o"] {
+if ![ld_compile "$CC_FOR_TARGET -c" "$srcdir/$subdir/unique_empty.s" "tmpdir/unique_empty.o"] {
fail "Could not create a non-unique object"
set fails [expr $fails + 1]
}
-# Create pic object file containing unique symbol.
-if ![ld_compile "$CC -c -fPIC" "$srcdir/$subdir/unique_shared.s" "tmpdir/unique_shared.o"] {
- fail "Could not create a pic unique object"
- set fails [expr $fails + 1]
-}
-
-# Create executable containing unique symbol.
-if ![default_ld_link $ld "tmpdir/unique_prog" "tmpdir/unique.o"] {
- fail "Could not link a unique executable"
- set fails [expr $fails + 1]
-}
-
-# Create shared library containing unique symbol.
-if ![ld_simple_link $ld "tmpdir/libunique_shared.so" "-shared tmpdir/unique_shared.o"] {
- fail "Could not create a shared library containing an unique symbol"
- set fails [expr $fails + 1]
+# When using GCC as the linker driver, we need to specify board cflags when
+# linking because cflags may contain linker options. For example when linker
+# options are included in GCC spec files then we need the -specs option.
+if [board_info [target_info name] exists cflags] {
+ set board_cflags " [board_info [target_info name] cflags]"
+} else {
+ set board_cflags ""
}
-# Create executable NOT containing unique symbol linked against library.
-if ![default_ld_link $ld "tmpdir/unique_shared_prog" "-Ltmpdir tmpdir/unique_empty.o -Bdynamic -lunique_shared -rpath ./tmpdir"] {
- fail "Could not link a dynamic executable"
- set fails [expr $fails + 1]
+if [board_info [target_info name] exists ldflags] {
+ set board_ldflags " [board_info [target_info name] ldflags]"
+} else {
+ set board_ldflags ""
}
-# Create shared library containing unique symbol with reference.
-if ![ld_simple_link $ld "tmpdir/libunique_shared_ref.so" "-shared tmpdir/unique_shared.o tmpdir/unique_empty.o"] {
- fail "Could not create a shared library containing an unique symbol with reference"
+# Create executable containing unique symbol.
+if ![ld_link "$CC_FOR_TARGET $NOPIE_LDFLAGS $board_cflags $board_ldflags" "tmpdir/unique_prog" "tmpdir/unique.o"] {
+ fail "Could not link a unique executable"
set fails [expr $fails + 1]
}
}
# Check the empty object file.
-if {! [check_osabi tmpdir/unique_empty.o {UNIX - System V}]} {
- fail "Object NOT containing unique does not have an OS/ABI field of System V"
+switch -glob $target_triplet {
+ hppa*-*-linux* { set expected_none {UNIX - GNU} }
+ default { set expected_none {UNIX - System V} }
+}
+if {! [check_osabi tmpdir/unique_empty.o $expected_none]} {
+ fail "Object NOT containing unique does not have an OS/ABI field of $expected_none"
set fails [expr $fails + 1]
}
pass "Checking empty unique object"
}
+# ------------------------------------------------------------------------------
+# Only shared library tests below.
+# ------------------------------------------------------------------------------
+
+if { ![check_shared_lib_support] } {
+ return
+}
+
+# Create pic object file containing unique symbol.
+if {![ld_compile "$CC_FOR_TARGET -c -fPIC" "$srcdir/$subdir/unique_shared.s" "tmpdir/unique_shared.o"] } {
+ fail "Could not create a pic unique object"
+ set fails [expr $fails + 1]
+}
+
+# Create shared library containing unique symbol.
+if {![ld_link $ld "tmpdir/libunique_shared.so" "-shared tmpdir/unique_shared.o"] } {
+ fail "Could not create a shared library containing an unique symbol"
+ set fails [expr $fails + 1]
+}
+
+# Create executable NOT containing unique symbol linked against library.
+if {![ld_link "$CC_FOR_TARGET $NOPIE_LDFLAGS $board_cflags" "tmpdir/unique_shared_prog" "-Ltmpdir tmpdir/unique_empty.o -Wl,-Bdynamic,-rpath=./tmpdir -lunique_shared"] } {
+ fail "Could not link a dynamic executable"
+ set fails [expr $fails + 1]
+}
+
+# Create shared library containing unique symbol with reference.
+if {![ld_link $ld "tmpdir/libunique_shared_ref.so" "-shared -z notext tmpdir/unique_shared.o tmpdir/unique_empty.o"] } {
+ fail "Could not create a shared library containing an unique symbol with reference"
+ set fails [expr $fails + 1]
+}
+
+if { $fails != 0 } {
+ return
+}
+
# Check the unique PIC file.
if {! [check_osabi tmpdir/unique_shared.o {UNIX - GNU}]} {
fail "PIC Object containing unique does not have an OS/ABI field of GNU"
}
if { $fails == 0 } {
- pass "Checking unique PIC object"
+ pass "Checking unique PIC object 1"
}
# Check the unique shared library.
}
if { $fails == 0 } {
- pass "Checking unique PIC object"
+ pass "Checking unique PIC object 2"
}
# Check the empty executable linked against unique shared library.
-if {! [check_osabi tmpdir/unique_shared_prog {UNIX - System V}]} {
- fail "Executable NOT containing unique does not have an OS/ABI field of System V"
+if {! [check_osabi tmpdir/unique_shared_prog $expected_none]} {
+ fail "Executable NOT containing unique does not have an OS/ABI field of $expected_none"
set fails [expr $fails + 1]
}
if { $fails == 0 } {
pass "Checking shared empty executable"
}
-
-# Clean up, unless we are being verbose, in which case we leave the files available.
-if { $verbose < 1 } {
- remote_file host delete "tmpdir/unique_empty.o"
- remote_file host delete "tmpdir/unique.o"
- remote_file host delete "tmpdir/unique_shared.o"
- remote_file host delete "tmpdir/libunique_shared.so"
- remote_file host delete "tmpdir/libunique_shared_ref.so"
- remote_file host delete "tmpdir/unique_prog"
- remote_file host delete "tmpdir/unique_shared_prog"
-}
projects / thirdparty / binutils-gdb.git / blobdiff