* ld-mips-elf/gp-hidden.rd: New test.

	* ld-mips-elf/gp-hidden.sd: New test.
	* ld-mips-elf/gp-hidden-lib.rd: New test.
	* ld-mips-elf/gp-hidden-ver.rd: New test.
	* ld-mips-elf/gp-hidden-64.rd: New test.
	* ld-mips-elf/gp-hidden-lib-64.rd: New test.
	* ld-mips-elf/gp-hidden-ver-64.rd: New test.
	* ld-mips-elf/gp-hidden.s: New test source.
	* ld-mips-elf/gp-hidden-lib.s: New test source.
	* ld-mips-elf/gp-hidden-ver.s: New test source.
	* ld-mips-elf/gp-hidden-ver.ver: New test version script.
	* ld-mips-elf/mips-elf.exp: Run the new tests.

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index cd71a9f..19c101e 100644 (file)
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,5 +1,20 @@
 2012-08-06  Maciej W. Rozycki  <macro@codesourcery.com>
 
+       * ld-mips-elf/gp-hidden.rd: New test.
+       * ld-mips-elf/gp-hidden.sd: New test.
+       * ld-mips-elf/gp-hidden-lib.rd: New test.
+       * ld-mips-elf/gp-hidden-ver.rd: New test.
+       * ld-mips-elf/gp-hidden-64.rd: New test.
+       * ld-mips-elf/gp-hidden-lib-64.rd: New test.
+       * ld-mips-elf/gp-hidden-ver-64.rd: New test.
+       * ld-mips-elf/gp-hidden.s: New test source.
+       * ld-mips-elf/gp-hidden-lib.s: New test source.
+       * ld-mips-elf/gp-hidden-ver.s: New test source.
+       * ld-mips-elf/gp-hidden-ver.ver: New test version script.
+       * ld-mips-elf/mips-elf.exp: Run the new tests.
+
+2012-08-06  Maciej W. Rozycki  <macro@codesourcery.com>
+
        * ld-mips-elf/rel32-o32.d: Adjust section VMAs after the removal
        of _gp from the global scope.
        * ld-mips-elf/rel32-n32.d: Likewise.

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-64.rd b/ld/testsuite/ld-mips-elf/gp-hidden-64.rd
new file mode 100644 (file)
index 0000000..133fd48
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-64.rd
@@ -0,0 +1,9 @@
+
+Relocation section '\.rel\.dyn' at offset .* contains 2 entries:
+ *Offset * Info * Type * Sym\. *Value * Sym\. *Name
+[0-9a-f]+ * 0+00000000 * R_MIPS_NONE *
+ * Type2: R_MIPS_NONE *
+ * Type3: R_MIPS_NONE *
+[0-9a-f]+ * [0-9a-f]+00001203 * R_MIPS_REL32 * [0-9a-f]+ * foo
+ * Type2: R_MIPS_64 *
+ * Type3: R_MIPS_NONE *

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-lib-64.rd b/ld/testsuite/ld-mips-elf/gp-hidden-lib-64.rd
new file mode 100644 (file)
index 0000000..8dbba28
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-lib-64.rd
@@ -0,0 +1,10 @@
+
+Relocation section '\.rel\.dyn' at offset .* contains 2 entries:
+ *Offset * Info * Type * Sym\. *Value * Sym\. *Name
+[0-9a-f]+ * 0+00000000 * R_MIPS_NONE *
+ * Type2: R_MIPS_NONE *
+ * Type3: R_MIPS_NONE *
+# This must be an absolute relocation, there must not be a _gp reference.
+[0-9a-f]+ * 0+00001203 * R_MIPS_REL32 *
+ * Type2: R_MIPS_64 *
+ * Type3: R_MIPS_NONE *

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-lib.rd b/ld/testsuite/ld-mips-elf/gp-hidden-lib.rd
new file mode 100644 (file)
index 0000000..080dfe2
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-lib.rd
@@ -0,0 +1,6 @@
+
+Relocation section '\.rel\.dyn' at offset .* contains 2 entries:
+ *Offset * Info * Type * Sym\. *Value * Sym\. *Name
+[0-9a-f]+ * 0+00 * R_MIPS_NONE *
+# This must be an absolute relocation, there must not be a _gp reference.
+[0-9a-f]+ * 0+03 * R_MIPS_REL32 *

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-lib.s b/ld/testsuite/ld-mips-elf/gp-hidden-lib.s
new file mode 100644 (file)
index 0000000..988c3d3
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-lib.s
@@ -0,0 +1,6 @@
+       .data
+       .globl  bar
+       .type   bar, @object
+bar:
+       .dc.a   _gp
+       .size   bar, . - bar

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-ver-64.rd b/ld/testsuite/ld-mips-elf/gp-hidden-ver-64.rd
new file mode 100644 (file)
index 0000000..1639211
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-ver-64.rd
@@ -0,0 +1,13 @@
+
+Relocation section '\.rel\.dyn' at offset .* contains 3 entries:
+ *Offset * Info * Type * Sym\. *Value * Sym\. *Name
+[0-9a-f]+ * 0+00000000 * R_MIPS_NONE *
+ * Type2: R_MIPS_NONE *
+ * Type3: R_MIPS_NONE *
+# This must be an absolute relocation, there must not be a _gp reference.
+[0-9a-f]+ * 0+00001203 * R_MIPS_REL32 *
+ * Type2: R_MIPS_64 *
+ * Type3: R_MIPS_NONE *
+[0-9a-f]+ * [0-9a-f]+00001203 * R_MIPS_REL32 * [0-9a-f]+ * bar
+ * Type2: R_MIPS_64 *
+ * Type3: R_MIPS_NONE *

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-ver.rd b/ld/testsuite/ld-mips-elf/gp-hidden-ver.rd
new file mode 100644 (file)
index 0000000..31ccd2b
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-ver.rd
@@ -0,0 +1,7 @@
+
+Relocation section '\.rel\.dyn' at offset .* contains 3 entries:
+ *Offset * Info * Type * Sym\. *Value * Sym\. *Name
+[0-9a-f]+ * 0+00 * R_MIPS_NONE *
+# This must be an absolute relocation, there must not be a _gp reference.
+[0-9a-f]+ * 0+03 * R_MIPS_REL32 *
+[0-9a-f]+ * [0-9a-f]+03 * R_MIPS_REL32 * [0-9a-f]+ * bar

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-ver.s b/ld/testsuite/ld-mips-elf/gp-hidden-ver.s
new file mode 100644 (file)
index 0000000..eb4acf7
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-ver.s
@@ -0,0 +1,7 @@
+       .data
+       .globl  foo
+       .type   foo, @object
+foo:
+       .dc.a   bar
+       .dc.a   _gp
+       .size   foo, . - foo

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden-ver.ver b/ld/testsuite/ld-mips-elf/gp-hidden-ver.ver
new file mode 100644 (file)
index 0000000..b6b2365
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden-ver.ver
@@ -0,0 +1 @@
+{ global: foo; local: *; };

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden.rd b/ld/testsuite/ld-mips-elf/gp-hidden.rd
new file mode 100644 (file)
index 0000000..62c9b37
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden.rd
@@ -0,0 +1,5 @@
+
+Relocation section '\.rel\.dyn' at offset .* contains 2 entries:
+ *Offset * Info * Type * Sym\. *Value * Sym\. *Name
+[0-9a-f]+ * 0+00 * R_MIPS_NONE *
+[0-9a-f]+ * [0-9a-f]+03 * R_MIPS_REL32 * [0-9a-f]+ * foo

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden.s b/ld/testsuite/ld-mips-elf/gp-hidden.s
new file mode 100644 (file)
index 0000000..154dcdd
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden.s
@@ -0,0 +1,7 @@
+       .data
+       .globl  blah
+       .type   blah, @object
+blah:
+       .dc.a   foo
+       .dc.a   _gp
+       .size   blah, . - blah

diff --git a/ld/testsuite/ld-mips-elf/gp-hidden.sd b/ld/testsuite/ld-mips-elf/gp-hidden.sd
new file mode 100644 (file)
index 0000000..2e9cfbf
--- /dev/null
+++ b/ld/testsuite/ld-mips-elf/gp-hidden.sd
@@ -0,0 +1,9 @@
+
+Symbol table '.dynsym' contains [0-9]+ entries:
+ * Num: * Value * Size * Type * Bind * Vis * Ndx * Name
+#...
+Symbol table '.symtab' contains [0-9]+ entries:
+ * Num: * Value * Size * Type * Bind * Vis * Ndx * Name
+#...
+ * [0-9a-f]+: * [0-9a-f]+ * 0 * NOTYPE * LOCAL * DEFAULT * ABS * _gp
+#pass

diff --git a/ld/testsuite/ld-mips-elf/mips-elf.exp b/ld/testsuite/ld-mips-elf/mips-elf.exp
index d9430ff..50e51c6 100644 (file)
--- a/ld/testsuite/ld-mips-elf/mips-elf.exp
+++ b/ld/testsuite/ld-mips-elf/mips-elf.exp
@@ -328,6 +328,44 @@ if { $linux_gnu } {
                      "readelf --symbols pic-and-nonpic-6-${abi}.nd" \
                      "readelf -d pic-and-nonpic-6-${abi}.ad"] \
                 "pic-and-nonpic-6-${abi}"]]
+
+       # This checks whether our linker scripts get the scope of _gp right,
+       # and must therefore use default scripts.  If they don't, then -- in
+       # addition to dumps failing to match -- the final link fails with:
+       #
+       #  ld: gp-hidden.o: undefined reference to symbol '_gp'
+       #  ld: note: '_gp' is defined in DSO ./tmpdir/gp-hidden-lib-${abi}.so
+       #  so try adding it to the linker command line
+       #
+       set suff64 [string map {o32 "" n32 "" n64 -64} $abi]
+       run_ld_link_tests [list \
+           [list \
+               "_gp scope test ($abi shared library)" \
+               "$abi_ldflags($abi) -shared" \
+               "$abi_asflags($abi) -KPIC" \
+               { gp-hidden-lib.s } \
+               [list \
+                   "readelf --relocs gp-hidden-lib${suff64}.rd" \
+                   "readelf --syms gp-hidden.sd"] \
+               "gp-hidden-lib-${abi}.so"] \
+           [list \
+               "_gp scope test ($abi versioned library)" \
+               "$abi_ldflags($abi) -shared -version-script gp-hidden-ver.ver tmpdir/gp-hidden-lib-${abi}.so" \
+               "$abi_asflags($abi) -KPIC" \
+               { gp-hidden-ver.s } \
+               [list \
+                   "readelf --relocs gp-hidden-ver${suff64}.rd" \
+                   "readelf --syms gp-hidden.sd"] \
+               "gp-hidden-ver-${abi}.so"] \
+           [list \
+               "_gp scope test ($abi executable)" \
+               "$abi_ldflags($abi) -e 0 -rpath-link . tmpdir/gp-hidden-ver-${abi}.so" \
+               "$abi_asflags($abi) -call_nonpic" \
+               { gp-hidden.s } \
+               [list \
+                   "readelf --relocs gp-hidden${suff64}.rd" \
+                   "readelf --syms gp-hidden.sd"] \
+               "gp-hidden-${abi}"]]
     }
 }