binutils-gdb/gdb/testsuite/gdb.arch/amd64-tailcall-self.c

41 lines
1.1 KiB
C

/* This testcase is part of GDB, the GNU debugger.
Copyright 2015 Free Software Foundation, Inc.
This program 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.
This program 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/>. */
__attribute__((noinline,noclone)) static void b(void) {
asm volatile("");
}
int i;
__attribute__((noinline,noclone)) int c(int q) {
return q+1;
}
__attribute__((noinline,noclone)) void a(int q) {
asm volatile("nop;nop;nop"::"g"(q):"memory");
if (i>=1&&i<=10) {
i|=1;
a(i);
} else if (i==0)
b();
}
int main(int argc,char **argv) {
a(argc);
return 0;
}