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-rw-r--r--ChangeLog46
-rw-r--r--elf/Makefile94
-rw-r--r--elf/ifuncdep1.c3
-rw-r--r--elf/ifuncdep1pic.c3
-rw-r--r--elf/ifuncdep2.c72
-rw-r--r--elf/ifuncdep2pic.c3
-rw-r--r--elf/ifuncmain1.c66
-rw-r--r--elf/ifuncmain1pic.c3
-rw-r--r--elf/ifuncmain1picstatic.c3
-rw-r--r--elf/ifuncmain1pie.c3
-rw-r--r--elf/ifuncmain1static.c3
-rw-r--r--elf/ifuncmain1staticpic.c3
-rw-r--r--elf/ifuncmain1vis.c89
-rw-r--r--elf/ifuncmain1vispic.c3
-rw-r--r--elf/ifuncmain1vispie.c3
-rw-r--r--elf/ifuncmain2.c16
-rw-r--r--elf/ifuncmain2pic.c3
-rw-r--r--elf/ifuncmain2picstatic.c3
-rw-r--r--elf/ifuncmain2static.c3
-rw-r--r--elf/ifuncmain3.c120
-rw-r--r--elf/ifuncmain4.c4
-rw-r--r--elf/ifuncmain4picstatic.c3
-rw-r--r--elf/ifuncmain4static.c3
-rw-r--r--elf/ifuncmod1.c114
-rw-r--r--elf/ifuncmod3.c8
25 files changed, 673 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog
index 5e98327..72910ce 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,49 @@
+2009-06-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * elf/Makefile (distribute): Add ifuncmain1.c, ifuncmain1pic.c,
+ ifuncmain1vis.c, ifuncmain1vispic.c, ifuncmain1static.c,
+ ifuncmain1staticpic.c, ifuncmain1picstatic.c, ifuncdep1.c,
+ ifuncdep1pic.c, ifuncmod1.c, ifuncmain1pie.c, ifuncmain1vispie.c,
+ ifuncmain2.c, ifuncmain2static.c, ifuncdep2.c,
+ funcmain2pic.c, ifuncmain2picstatic.c, ifuncdep2pic.c,
+ ifuncmain3.c, ifuncmod3.c,.
+ ifuncmain4.c, ifuncmain4static.c, ifuncmain4picstatic.c.
+ (tests-static): Add ifuncmain1static, ifuncmain1picstatic,
+ ifuncmain2static, ifuncmain2picstatic, ifuncmain4static,
+ ifuncmain4picstatic.
+ (tests): Add ifuncmain1, ifuncmain1pic, ifuncmain1vis,
+ ifuncmain1vispic, ifuncmain1staticpic, ifuncmain2, ifuncmain2pic,
+ ifuncmain3, ifuncmain4.
+ (tests): Depend on $(objpfx)ifuncmain1pie.out and
+ $(objpfx)ifuncmain1vispie.out.
+ (modules-names): Add ifuncmod1 ifuncmod3.
+ (generated): Add ifuncmain1pie ifuncmain1pie.out
+ ifuncmain1vispie ifuncmain1vispie.out.
+ Define rules to build and run the tests.
+ * elf/ifuncdep1.c: New file.
+ * elf/ifuncdep1pic.c: New file.
+ * elf/ifuncdep2.c: New file.
+ * elf/ifuncdep2pic.c: New file.
+ * elf/ifuncmain1.c: New file.
+ * elf/ifuncmain1pic.c: New file.
+ * elf/ifuncmain1picstatic.c: New file.
+ * elf/ifuncmain1pie.c: New file.
+ * elf/ifuncmain1static.c: New file.
+ * elf/ifuncmain1staticpic.c: New file.
+ * elf/ifuncmain1vis.c: New file..
+ * elf/ifuncmain1vispic.c: New file..
+ * elf/ifuncmain1vispie.c: New file.
+ * elf/ifuncmain2.c: New file.
+ * elf/ifuncmain2pic.c: New file.
+ * elf/ifuncmain2picstatic.c: New file.
+ * elf/ifuncmain2static.c: New file.
+ * elf/ifuncmain3.c: New file.
+ * elf/ifuncmain4.c: New file.
+ * elf/ifuncmain4picstatic.c: New file.
+ * elf/ifuncmain4static.c: New file.
+ * elf/ifuncmod1.c: New file.
+ * elf/ifuncmod3.c: New file.
+
2009-06-03 Ulrich Drepper <drepper@redhat.com>
* elf/dl-sysdep.c (_dl_show_auxv): Terminate correct string.
diff --git a/elf/Makefile b/elf/Makefile
index 94b9d06..6bcbb51 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -93,7 +93,16 @@ distribute := rtld-Rules \
order2mod1.c order2mod2.c order2mod3.c order2mod4.c \
tst-stackguard1.c tst-stackguard1-static.c \
tst-array5.c tst-array5-static.c tst-array5dep.c \
- tst-array5.exp tst-leaks1.c check-execstack.c
+ tst-array5.exp tst-leaks1.c check-execstack.c \
+ ifuncmain1.c ifuncmain1pic.c ifuncmain1vis.c \
+ ifuncmain1vispic.c ifuncmain1static.c \
+ ifuncmain1staticpic.c ifuncmain1picstatic.c \
+ ifuncdep1.c ifuncdep1pic.c ifuncmod1.c \
+ ifuncmain1pie.c ifuncmain1vispie.c \
+ ifuncmain2.c ifuncmain2static.c ifuncdep2.c \
+ ifuncmain2pic.c ifuncmain2picstatic.c ifuncdep2pic.c \
+ ifuncmain3.c ifuncmod3.c \
+ ifuncmain4.c ifuncmain4static.c ifuncmain4picstatic.c
CFLAGS-dl-runtime.c = -fexceptions -fasynchronous-unwind-tables
CFLAGS-dl-lookup.c = -fexceptions -fasynchronous-unwind-tables
@@ -232,6 +241,22 @@ test-extras += $(modules-names)
# filtmod1.so has a special rule
modules-names-nobuild := filtmod1
+ifeq (yes,$(multi-arch))
+tests-static += ifuncmain1static ifuncmain1picstatic \
+ ifuncmain2static ifuncmain2picstatic \
+ ifuncmain4static ifuncmain4picstatic
+
+ifeq (yes,$(build-shared))
+tests += ifuncmain1 ifuncmain1pic ifuncmain1vis ifuncmain1vispic \
+ ifuncmain1staticpic \
+ ifuncmain2 ifuncmain2pic ifuncmain3 ifuncmain4
+ifeq (yes,$(have-fpie))
+tests: $(objpfx)ifuncmain1pie.out $(objpfx)ifuncmain1vispie.out
+endif
+modules-names += ifuncmod1 ifuncmod3
+endif
+endif
+
include ../Rules
@@ -504,6 +529,7 @@ reldep8mod2.so-no-z-defs = yes
reldep9mod1.so-no-z-defs = yes
unload3mod4.so-no-z-defs = yes
unload4mod1.so-no-z-defs = yes
+ifuncmod1.so-no-z-defs = yes
ifeq ($(build-shared),yes)
# Build all the modules even when not actually running test programs.
@@ -951,3 +977,69 @@ tst-leaks1-ENV = MALLOC_TRACE=$(objpfx)tst-leaks1.mtrace
$(objpfx)tst-addr1: $(libdl)
$(objpfx)tst-thrlock: $(libdl) $(shared-thread-library)
+
+CFLAGS-ifuncmain1pic.c += $(pic-ccflag)
+CFLAGS-ifuncmain1picstatic.c += $(pic-ccflag)
+CFLAGS-ifuncmain1staticpic.c += $(pic-ccflag)
+CFLAGS-ifuncdep1pic.c += $(pic-ccflag)
+CFLAGS-ifuncmain1vispic.c += $(pic-ccflag)
+CFLAGS-ifuncmain2pic.c += $(pic-ccflag)
+CFLAGS-ifuncmain2picstatic.c += $(pic-ccflag)
+CFLAGS-ifuncdep2pic.c += $(pic-ccflag)
+CFLAGS-ifuncmain4picstatic.c += $(pic-ccflag)
+
+LDFLAGS-ifuncmain3 = -Wl,-export-dynamic
+
+ifeq (yesyes,$(have-fpie)$(build-shared))
+CFLAGS-ifuncmain1pie.c += $(pie-ccflag)
+CFLAGS-ifuncmain1vispie.c += $(pie-ccflag)
+
+$(objpfx)ifuncmain1pie.out: $(objpfx)ifuncmain1pie
+ $(elf-objpfx)$(rtld-installed-name) \
+ --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
+ $< > $@
+
+$(objpfx)ifuncmain1pie: $(objpfx)ifuncmain1pie.o $(objpfx)ifuncmod1.so
+ $(LINK.o) -pie -Wl,-O1 \
+ $(sysdep-LDFLAGS) $(config-LDFLAGS) \
+ $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \
+ $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \
+ $(LDFLAGS) $(LDFLAGS-$(@F)) \
+ -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \
+ -o $@ $(objpfx)tst-pie1.o $(objpfx)tst-piemod1.so \
+ $(common-objpfx)libc_nonshared.a
+
+generated += ifuncmain1pie ifuncmain1pie.out
+
+$(objpfx)ifuncmain1vispie.out: $(objpfx)ifuncmain1vispie
+ $(elf-objpfx)$(rtld-installed-name) \
+ --library-path $(rpath-link)$(patsubst %,:%,$(sysdep-library-path)) \
+ $< > $@
+
+$(objpfx)ifuncmain1vispie: $(objpfx)ifuncmain1vispie.o $(objpfx)ifuncmod1.so
+ $(LINK.o) -pie -Wl,-O1 \
+ $(sysdep-LDFLAGS) $(config-LDFLAGS) \
+ $(extra-B-$(@F:lib%.so=%).so) -B$(csu-objpfx) \
+ $(extra-B-$(@F:lib%.so=%).so) $(load-map-file) \
+ $(LDFLAGS) $(LDFLAGS-$(@F)) \
+ -L$(subst :, -L,$(rpath-link)) -Wl,-rpath-link=$(rpath-link) \
+ -o $@ $(objpfx)tst-pie1.o $(objpfx)tst-piemod1.so \
+ $(common-objpfx)libc_nonshared.a
+
+generated += ifuncmain1vispie ifuncmain1vispie.out
+endif
+
+$(objpfx)ifuncmain1: $(addprefix $(objpfx),ifuncmod1.so)
+$(objpfx)ifuncmain1pic: $(addprefix $(objpfx),ifuncmod1.so)
+$(objpfx)ifuncmain1staticpic: $(addprefix $(objpfx),ifuncdep1pic.o)
+$(objpfx)ifuncmain1static: $(addprefix $(objpfx),ifuncdep1.o)
+$(objpfx)ifuncmain1picstatic: $(addprefix $(objpfx),ifuncdep1pic.o)
+$(objpfx)ifuncmain1vis: $(addprefix $(objpfx),ifuncmod1.so)
+$(objpfx)ifuncmain1vispic: $(addprefix $(objpfx),ifuncmod1.so)
+$(objpfx)ifuncmain2: $(addprefix $(objpfx),ifuncdep2.o)
+$(objpfx)ifuncmain2pic: $(addprefix $(objpfx),ifuncdep2pic.o)
+$(objpfx)ifuncmain2static: $(addprefix $(objpfx),ifuncdep2.o)
+$(objpfx)ifuncmain2picstatic: $(addprefix $(objpfx),ifuncdep2pic.o)
+
+$(objpfx)ifuncmain3: $(libdl)
+$(objpfx)ifuncmain3.out: $(objpfx)ifuncmod3.so
diff --git a/elf/ifuncdep1.c b/elf/ifuncdep1.c
new file mode 100644
index 0000000..77d663d
--- /dev/null
+++ b/elf/ifuncdep1.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols without -fPIC. */
+
+#include "ifuncmod1.c"
diff --git a/elf/ifuncdep1pic.c b/elf/ifuncdep1pic.c
new file mode 100644
index 0000000..b6381e4
--- /dev/null
+++ b/elf/ifuncdep1pic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC. */
+
+#include "ifuncmod1.c"
diff --git a/elf/ifuncdep2.c b/elf/ifuncdep2.c
new file mode 100644
index 0000000..fb21eef
--- /dev/null
+++ b/elf/ifuncdep2.c
@@ -0,0 +1,72 @@
+/* Test 3 STT_GNU_IFUNC symbols. */
+
+extern int global;
+
+static int
+one (void)
+{
+ return 1;
+}
+
+static int
+minus_one (void)
+{
+ return -1;
+}
+
+static int
+zero (void)
+{
+ return 0;
+}
+
+void * foo1_ifunc (void) __asm__ ("foo1");
+__asm__(".type foo1, %gnu_indirect_function");
+
+void *
+foo1_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return one;
+ case -1:
+ return minus_one;
+ default:
+ return zero;
+ }
+}
+
+void * foo2_ifunc (void) __asm__ ("foo2");
+__asm__(".type foo2, %gnu_indirect_function");
+
+void *
+foo2_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return minus_one;
+ case -1:
+ return one;
+ default:
+ return zero;
+ }
+}
+
+void * foo3_ifunc (void) __asm__ ("foo3");
+__asm__(".type foo3, %gnu_indirect_function");
+
+void *
+foo3_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return one;
+ case -1:
+ return zero;
+ default:
+ return minus_one;
+ }
+}
diff --git a/elf/ifuncdep2pic.c b/elf/ifuncdep2pic.c
new file mode 100644
index 0000000..a84253d
--- /dev/null
+++ b/elf/ifuncdep2pic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC. */
+
+#include "ifuncdep2.c"
diff --git a/elf/ifuncmain1.c b/elf/ifuncmain1.c
new file mode 100644
index 0000000..de7ffe8
--- /dev/null
+++ b/elf/ifuncmain1.c
@@ -0,0 +1,66 @@
+/* Test STT_GNU_IFUNC symbols:
+
+ 1. Direct function call.
+ 2. Function pointer.
+ 3. Visibility without override.
+ */
+
+#include <stdlib.h>
+
+int global = -1;
+
+int ret_foo;
+int ret_foo_hidden;
+int ret_foo_protected;
+
+extern int foo (void);
+extern int foo_protected (void);
+
+#ifndef FOO_P
+typedef int (*foo_p) (void);
+#endif
+
+foo_p foo_ptr = foo;
+foo_p foo_procted_ptr = foo_protected;
+
+extern foo_p get_foo_p (void);
+extern foo_p get_foo_hidden_p (void);
+extern foo_p get_foo_protected_p (void);
+
+int
+main (void)
+{
+ foo_p p;
+
+ if (foo_ptr != foo)
+ abort ();
+ if (foo () != -1)
+ abort ();
+ if ((*foo_ptr) () != -1)
+ abort ();
+
+ if (foo_procted_ptr != foo_protected)
+ abort ();
+ if (foo_protected () != 0)
+ abort ();
+ if ((*foo_procted_ptr) () != 0)
+ abort ();
+
+ p = get_foo_p ();
+ if (p != foo)
+ abort ();
+ if (ret_foo != -1 || (*p) () != ret_foo)
+ abort ();
+
+ p = get_foo_hidden_p ();
+ if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden)
+ abort ();
+
+ p = get_foo_protected_p ();
+ if (p != foo_protected)
+ abort ();
+ if (ret_foo_protected != 0 || (*p) () != ret_foo_protected)
+ abort ();
+
+ return 0;
+}
diff --git a/elf/ifuncmain1pic.c b/elf/ifuncmain1pic.c
new file mode 100644
index 0000000..db19dc9
--- /dev/null
+++ b/elf/ifuncmain1pic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC. */
+
+#include "ifuncmain1.c"
diff --git a/elf/ifuncmain1picstatic.c b/elf/ifuncmain1picstatic.c
new file mode 100644
index 0000000..c937933
--- /dev/null
+++ b/elf/ifuncmain1picstatic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC and -static. */
+
+#include "ifuncmain1.c"
diff --git a/elf/ifuncmain1pie.c b/elf/ifuncmain1pie.c
new file mode 100644
index 0000000..c16ef6d
--- /dev/null
+++ b/elf/ifuncmain1pie.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with PIE. */
+
+#include "ifuncmain1.c"
diff --git a/elf/ifuncmain1static.c b/elf/ifuncmain1static.c
new file mode 100644
index 0000000..fdd1e09
--- /dev/null
+++ b/elf/ifuncmain1static.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -static. */
+
+#include "ifuncmain1.c"
diff --git a/elf/ifuncmain1staticpic.c b/elf/ifuncmain1staticpic.c
new file mode 100644
index 0000000..39e0cbb
--- /dev/null
+++ b/elf/ifuncmain1staticpic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC and no DSO. */
+
+#include "ifuncmain1.c"
diff --git a/elf/ifuncmain1vis.c b/elf/ifuncmain1vis.c
new file mode 100644
index 0000000..a239d2d
--- /dev/null
+++ b/elf/ifuncmain1vis.c
@@ -0,0 +1,89 @@
+/* Test STT_GNU_IFUNC symbols:
+
+ 1. Direct function call.
+ 2. Function pointer.
+ 3. Visibility with override.
+ */
+
+#include <stdlib.h>
+
+int global = -1;
+
+int ret_foo;
+int ret_foo_hidden;
+int ret_foo_protected;
+
+extern int foo (void);
+extern int foo_protected (void);
+
+#ifndef FOO_P
+typedef int (*foo_p) (void);
+#endif
+
+foo_p foo_ptr = foo;
+foo_p foo_procted_ptr = foo_protected;
+
+extern foo_p get_foo_p (void);
+extern foo_p get_foo_hidden_p (void);
+extern foo_p get_foo_protected_p (void);
+
+int
+__attribute__ ((noinline))
+foo (void)
+{
+ return -30;
+}
+
+int
+__attribute__ ((noinline))
+foo_hidden (void)
+{
+ return -20;
+}
+
+int
+__attribute__ ((noinline))
+foo_protected (void)
+{
+ return -40;
+}
+
+int
+main (void)
+{
+ foo_p p;
+
+ if (foo_ptr != foo)
+ abort ();
+ if ((*foo_ptr) () != -30)
+ abort ();
+
+ if (foo_procted_ptr != foo_protected)
+ abort ();
+ if ((*foo_procted_ptr) () != -40)
+ abort ();
+
+ p = get_foo_p ();
+ if (p != foo)
+ abort ();
+ if (foo () != -30)
+ abort ();
+ if (ret_foo != -30 || (*p) () != ret_foo)
+ abort ();
+
+ p = get_foo_hidden_p ();
+ if (foo_hidden () != -20)
+ abort ();
+ if (ret_foo_hidden != 1 || (*p) () != ret_foo_hidden)
+ abort ();
+
+ p = get_foo_protected_p ();
+ if (p == foo_protected)
+ abort ();
+ if (foo_protected () != -40)
+ abort ();
+ if (ret_foo_protected != 0 || (*p) () != ret_foo_protected)
+ abort ();
+
+ return 0;
+}
diff --git a/elf/ifuncmain1vispic.c b/elf/ifuncmain1vispic.c
new file mode 100644
index 0000000..f8c104d
--- /dev/null
+++ b/elf/ifuncmain1vispic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC. */
+
+#include "ifuncmain1vis.c"
diff --git a/elf/ifuncmain1vispie.c b/elf/ifuncmain1vispie.c
new file mode 100644
index 0000000..ad06d2b
--- /dev/null
+++ b/elf/ifuncmain1vispie.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with PIE. */
+
+#include "ifuncmain1vis.c"
diff --git a/elf/ifuncmain2.c b/elf/ifuncmain2.c
new file mode 100644
index 0000000..cd9b2c8
--- /dev/null
+++ b/elf/ifuncmain2.c
@@ -0,0 +1,16 @@
+/* Test calling one STT_GNU_IFUNC function with 3 different
+ STT_GNU_IFUNC definitions. */
+
+#include <stdlib.h>
+
+int global = -1;
+
+extern int foo1 (void);
+
+int
+main (void)
+{
+ if (foo1 () != -1)
+ abort ();
+ return 0;
+}
diff --git a/elf/ifuncmain2pic.c b/elf/ifuncmain2pic.c
new file mode 100644
index 0000000..0006012
--- /dev/null
+++ b/elf/ifuncmain2pic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC. */
+
+#include "ifuncmain2.c"
diff --git a/elf/ifuncmain2picstatic.c b/elf/ifuncmain2picstatic.c
new file mode 100644
index 0000000..3e89db5
--- /dev/null
+++ b/elf/ifuncmain2picstatic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC and -static. */
+
+#include "ifuncmain2.c"
diff --git a/elf/ifuncmain2static.c b/elf/ifuncmain2static.c
new file mode 100644
index 0000000..6932ae8
--- /dev/null
+++ b/elf/ifuncmain2static.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -static. */
+
+#include "ifuncmain2.c"
diff --git a/elf/ifuncmain3.c b/elf/ifuncmain3.c
new file mode 100644
index 0000000..5d067cc
--- /dev/null
+++ b/elf/ifuncmain3.c
@@ -0,0 +1,120 @@
+/* Test STT_GNU_IFUNC symbols with dlopen:
+
+ 1. Direct function call.
+ 2. Function pointer.
+ 3. Visibility with override.
+ */
+
+#include <dlfcn.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+typedef int (*foo_p) (void);
+
+int
+__attribute__ ((noinline))
+foo (void)
+{
+ return -30;
+}
+
+int
+__attribute__ ((noinline))
+foo_hidden (void)
+{
+ return -20;
+}
+
+int
+__attribute__ ((noinline))
+foo_protected (void)
+{
+ return -40;
+}
+
+int
+main (void)
+{
+ foo_p p;
+ foo_p (*f) (void);
+ int *ret;
+
+ void *h = dlopen ("ifuncmod3.so", RTLD_LAZY);
+ if (h == NULL)
+ {
+ printf ("cannot load: %s\n", dlerror ());
+ return 1;
+ }
+
+ f = dlsym (h, "get_foo_p");
+ if (f == NULL)
+ {
+ printf ("symbol not found: %s\n", dlerror ());
+ return 1;
+ }
+
+ ret = dlsym (h, "ret_foo");
+ if (ret == NULL)
+ {
+ printf ("symbol not found: %s\n", dlerror ());
+ return 1;
+ }
+
+ p = (*f) ();
+ if (p != foo)
+ abort ();
+ if (foo () != -30)
+ abort ();
+ if (*ret != -30 || (*p) () != *ret)
+ abort ();
+
+ f = dlsym (h, "get_foo_hidden_p");
+ if (f == NULL)
+ {
+ printf ("symbol not found: %s\n", dlerror ());
+ return 1;
+ }
+
+ ret = dlsym (h, "ret_foo_hidden");
+ if (ret == NULL)
+ {
+ printf ("symbol not found: %s\n", dlerror ());
+ return 1;
+ }
+
+ p = (*f) ();
+ if (foo_hidden () != -20)
+ abort ();
+ if (*ret != 1 || (*p) () != *ret)
+ abort ();
+
+ f = dlsym (h, "get_foo_protected_p");
+ if (f == NULL)
+ {
+ printf ("symbol not found: %s\n", dlerror ());
+ return 1;
+ }
+
+ ret = dlsym (h, "ret_foo_protected");
+ if (ret == NULL)
+ {
+ printf ("symbol not found: %s\n", dlerror ());
+ return 1;
+ }
+
+ p = (*f) ();
+ if (p == foo_protected)
+ abort ();
+ if (foo_protected () != -40)
+ abort ();
+ if (*ret != 0 || (*p) () != *ret)
+ abort ();
+
+ if (dlclose (h) != 0)
+ {
+ printf ("cannot close: %s\n", dlerror ());
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/elf/ifuncmain4.c b/elf/ifuncmain4.c
new file mode 100644
index 0000000..e55fee2
--- /dev/null
+++ b/elf/ifuncmain4.c
@@ -0,0 +1,4 @@
+/* Test STT_GNU_IFUNC symbols in a single source file. */
+
+#include "ifuncmod1.c"
+#include "ifuncmain1.c"
diff --git a/elf/ifuncmain4picstatic.c b/elf/ifuncmain4picstatic.c
new file mode 100644
index 0000000..977d7f9
--- /dev/null
+++ b/elf/ifuncmain4picstatic.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -fPIC and -static. */
+
+#include "ifuncmain4.c"
diff --git a/elf/ifuncmain4static.c b/elf/ifuncmain4static.c
new file mode 100644
index 0000000..c399977
--- /dev/null
+++ b/elf/ifuncmain4static.c
@@ -0,0 +1,3 @@
+/* Test STT_GNU_IFUNC symbols with -static. */
+
+#include "ifuncmain4.c"
diff --git a/elf/ifuncmod1.c b/elf/ifuncmod1.c
new file mode 100644
index 0000000..a1697b5
--- /dev/null
+++ b/elf/ifuncmod1.c
@@ -0,0 +1,114 @@
+/* Test STT_GNU_IFUNC symbols:
+
+ 1. Direct function call.
+ 2. Function pointer.
+ 3. Visibility.
+ */
+
+extern int global;
+
+static int
+one (void)
+{
+ return 1;
+}
+
+static int
+minus_one (void)
+{
+ return -1;
+}
+
+static int
+zero (void)
+{
+ return 0;
+}
+
+void * foo_ifunc (void) __asm__ ("foo");
+__asm__(".type foo, %gnu_indirect_function");
+
+void *
+foo_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return one;
+ case -1:
+ return minus_one;
+ default:
+ return zero;
+ }
+}
+
+void * foo_hidden_ifunc (void) __asm__ ("foo_hidden");
+__asm__(".type foo_hidden, %gnu_indirect_function");
+
+void *
+foo_hidden_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return minus_one;
+ case -1:
+ return one;
+ default:
+ return zero;
+ }
+}
+
+void * foo_protected_ifunc (void) __asm__ ("foo_protected");
+__asm__(".type foo_protected, %gnu_indirect_function");
+
+void *
+foo_protected_ifunc (void)
+{
+ switch (global)
+ {
+ case 1:
+ return one;
+ case -1:
+ return zero;
+ default:
+ return minus_one;
+ }
+}
+
+/* Test hidden indirect function. */
+__asm__(".hidden foo_hidden");
+
+/* Test protected indirect function. */
+__asm__(".protected foo_protected");
+
+extern int foo (void);
+extern int foo_hidden (void);
+extern int foo_protected (void);
+extern int ret_foo;
+extern int ret_foo_hidden;
+extern int ret_foo_protected;
+
+#define FOO_P
+typedef int (*foo_p) (void);
+
+foo_p
+get_foo_p (void)
+{
+ ret_foo = foo ();
+ return foo;
+}
+
+foo_p
+get_foo_hidden_p (void)
+{
+ ret_foo_hidden = foo_hidden ();
+ return foo_hidden;
+}
+
+foo_p
+get_foo_protected_p (void)
+{
+ ret_foo_protected = foo_protected ();
+ return foo_protected;
+}
diff --git a/elf/ifuncmod3.c b/elf/ifuncmod3.c
new file mode 100644
index 0000000..379d2c8
--- /dev/null
+++ b/elf/ifuncmod3.c
@@ -0,0 +1,8 @@
+/* Test STT_GNU_IFUNC symbols with dlopen. */
+
+#include "ifuncmod1.c"
+
+int ret_foo;
+int ret_foo_hidden;
+int ret_foo_protected;
+int global = -1;
generated by cgit v1.1 at 2024-12-24 23:48:11 +0000