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authorIan Lance Taylor <ian@airs.com>2004-12-08 20:28:08 +0000
committerIan Lance Taylor <ian@airs.com>2004-12-08 20:28:08 +0000
commit0efd41608649b56f097c83013b7f8c4404af06dd (patch)
treee0c227bdee0d6eace48afcf20250979bcea117c6 /ld/testsuite/ld-mips-elf
parent728b2f2114e9b43d4b7bbb4bb56b022469a9df3f (diff)
* ld-mips-elf/jaloverflow.d: New test.
* ld-mips-elf/jaloverflow.s: New test. * ld-mips-elf/mips-elf.exp: Run it.
Diffstat (limited to 'ld/testsuite/ld-mips-elf')
-rw-r--r--ld/testsuite/ld-mips-elf/jaloverflow.d11
-rw-r--r--ld/testsuite/ld-mips-elf/jaloverflow.s12
-rw-r--r--ld/testsuite/ld-mips-elf/mips-elf.exp2
3 files changed, 25 insertions, 0 deletions
diff --git a/ld/testsuite/ld-mips-elf/jaloverflow.d b/ld/testsuite/ld-mips-elf/jaloverflow.d
new file mode 100644
index 0000000000..b77afe67ae
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/jaloverflow.d
@@ -0,0 +1,11 @@
+#name: JAL overflow
+#source: jaloverflow.s
+#as:
+#ld: -Ttext=0xffffff0 -e start
+#error: .*relocation truncated to fit.*
+
+# This tests whether we correctly detect overflow in the jal
+# instruction. jal is a bit weird since the upper four bits of the
+# destination address are taken from the source address. So overflow
+# occurs if the source and destination address do not have the same
+# most significant four bits.
diff --git a/ld/testsuite/ld-mips-elf/jaloverflow.s b/ld/testsuite/ld-mips-elf/jaloverflow.s
new file mode 100644
index 0000000000..4dd98b80f8
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/jaloverflow.s
@@ -0,0 +1,12 @@
+# This file gets linked to start at 0xffffff0, so the call is an overflow.
+ .text
+ .global start
+ .set noreorder
+start:
+ nop
+ nop
+ nop
+ nop
+ jal start
+ nop
+ .type start, @function
diff --git a/ld/testsuite/ld-mips-elf/mips-elf.exp b/ld/testsuite/ld-mips-elf/mips-elf.exp
index c3417bcc4b..0cc8489eb6 100644
--- a/ld/testsuite/ld-mips-elf/mips-elf.exp
+++ b/ld/testsuite/ld-mips-elf/mips-elf.exp
@@ -79,3 +79,5 @@ if {$has_newabi && $linux_gnu} {
run_dump_test "eh-frame1-n32"
run_dump_test "eh-frame1-n64"
}
+
+run_dump_test "jaloverflow"