1 files changed, 53 insertions, 0 deletions
diff --git a/tests/manyfuncs.c b/tests/manyfuncs.c
new file mode 100644
index 00000000..f76d2690
--- /dev/null
+++ b/tests/manyfuncs.c
@@ -0,0 +1,53 @@
+/* Test file for a binary with 64K+ sections and symbols.
+   Copyright (C) 2025 Mark J. Wielaard <[email protected]>
+   This file is part of elfutils.
+
+   This file is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   elfutils is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
+
+
+/* We need a quoted string starting with a dot (the section name).  */
+#define DQ(x) #x
+#define DOTQUOTE(x) DQ(.x)
+
+/* We want 2 * (8 ^ 5) = 2 * ((2 ^ 3) ^ 5) = 2 ^ 16 = 64K functions.  */
+#define f(x) __attribute__ ((section (DOTQUOTE(x)))) void x(void) {};
+#define A(x) f(x##0) f(x##1) f(x##2) f(x##3) f(x##4) f(x##5) f(x##6) f(x##7)
+#define B(x) A(x##0) A(x##1) A(x##2) A(x##3) A(x##4) A(x##5) A(x##6) A(x##7)
+#define C(x) B(x##0) B(x##1) B(x##2) B(x##3) B(x##4) B(x##5) B(x##6) B(x##7)
+#define D(x) C(x##0) C(x##1) C(x##2) C(x##3) C(x##4) C(x##5) C(x##6) C(x##7)
+#define E(x) D(x##0) D(x##1) D(x##2) D(x##3) D(x##4) D(x##5) D(x##6) D(x##7)
+E(y)
+E(z)
+
+#undef f
+#undef A
+#undef B
+#undef C
+#undef D
+#undef E
+
+/* Call all functions from main.  */
+#define f(x) x();
+#define A(x) f(x##0) f(x##1) f(x##2) f(x##3) f(x##4) f(x##5) f(x##6) f(x##7)
+#define B(x) A(x##0) A(x##1) A(x##2) A(x##3) A(x##4) A(x##5) A(x##6) A(x##7)
+#define C(x) B(x##0) B(x##1) B(x##2) B(x##3) B(x##4) B(x##5) B(x##6) B(x##7)
+#define D(x) C(x##0) C(x##1) C(x##2) C(x##3) C(x##4) C(x##5) C(x##6) C(x##7)
+#define E(x) D(x##0) D(x##1) D(x##2) D(x##3) D(x##4) D(x##5) D(x##6) D(x##7)
+
+int
+main ()
+{
+E(y)
+E(z)
+}