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authorPhil Blundell <philb@gnu.org>2001-01-01 14:54:03 +0000
committerPhil Blundell <philb@gnu.org>2001-01-01 14:54:03 +0000
commit7dc542b23c952d3985345941daa082e1bb986083 (patch)
treebbaf8cd64b154699b078518418fce9e921f6b0a3 /ld/testsuite/ld-undefined
parent4f38fc1c6c4fcc240710d8b2dc3884b6026d8706 (diff)
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2001-01-01 Philip Blundell <philb@gnu.org>
* ld-undefined/weak-undef.exp: New test. * ld-undefined/weak-undef.s, ld-undefined/weak-undef.t: Supporting files for above.
Diffstat (limited to 'ld/testsuite/ld-undefined')
-rw-r--r--ld/testsuite/ld-undefined/weak-undef.exp54
-rw-r--r--ld/testsuite/ld-undefined/weak-undef.s4
-rw-r--r--ld/testsuite/ld-undefined/weak-undef.t9
3 files changed, 67 insertions, 0 deletions
diff --git a/ld/testsuite/ld-undefined/weak-undef.exp b/ld/testsuite/ld-undefined/weak-undef.exp
new file mode 100644
index 0000000..e96b824
--- /dev/null
+++ b/ld/testsuite/ld-undefined/weak-undef.exp
@@ -0,0 +1,54 @@
+# Test handling of weak undefined symbols
+
+set testname "weak undefined symbols"
+
+# This test only works for ELF targets. It ought to work for some
+# a.out targets, but it doesn't.
+
+if { ![istarget *-*-sysv4*] \
+ && ![istarget *-*-unixware*] \
+ && ![istarget *-*-elf*] \
+ && ![istarget *-*-eabi*] \
+ && ![istarget *-*-linux*] \
+ && ![istarget *-*-irix5*] \
+ && ![istarget *-*-irix6*] \
+ && ![istarget *-*-solaris2*] } then {
+ return
+}
+
+if { [istarget *-*-linux*aout*] \
+ || [istarget *-*-linux*oldld*] } {
+ return
+}
+
+if {! [ld_assemble $as $srcdir/$subdir/weak-undef.s tmpdir/weak-undef.o]} then {
+ # It's OK if .weak doesn't work on this target.
+ unresolved $testname
+ return
+}
+
+# The linker should accept references to undefined weaks without error,
+# and resolve them to zero.
+
+set output_regexp \
+".*Contents of section .data:.*0000 00000000 11111111.*"
+
+if {! [ld_simple_link $ld tmpdir/weak-undef "$flags tmpdir/weak-undef.o -T $srcdir/$subdir/weak-undef.t"] } then {
+ fail $testname
+} else {
+ if {[which $objdump] == 0} then {
+ unresolved $testname
+ return
+ }
+
+ verbose -log "$objdump -s tmpdir/weak-undef"
+ catch "exec $objdump -s tmpdir/weak-undef" exec_output
+ set exec_output [prune_warnings $exec_output]
+ verbose -log $exec_output
+
+ if {[regexp $output_regexp $exec_output]} then {
+ pass $testname
+ } else {
+ fail $testname
+ }
+}
diff --git a/ld/testsuite/ld-undefined/weak-undef.s b/ld/testsuite/ld-undefined/weak-undef.s
new file mode 100644
index 0000000..386a311
--- /dev/null
+++ b/ld/testsuite/ld-undefined/weak-undef.s
@@ -0,0 +1,4 @@
+.data
+.weak foo
+.long foo
+.long 0x11111111
diff --git a/ld/testsuite/ld-undefined/weak-undef.t b/ld/testsuite/ld-undefined/weak-undef.t
new file mode 100644
index 0000000..a95bbcf
--- /dev/null
+++ b/ld/testsuite/ld-undefined/weak-undef.t
@@ -0,0 +1,9 @@
+SECTIONS
+{
+ .data : {
+ tmpdir/weak-undef.o(.data)
+ }
+ /DISCARD/ : {
+ *(*)
+ }
+}