/* This small function uses all the arithmetic operators that libgcc1.c can handle. If you can link it, then you have provided replacements for all the libgcc1.c functions that your target machine needs. */ int foo (); double dfoo (); /* We don't want __main here because that can drag in atexit (among other things) which won't necessarily exist yet. */ main_without__main () { int a = foo (), b = foo (); unsigned int au = foo (), bu = foo (); float af = dfoo (), bf = dfoo (); double ad = dfoo (), bd = dfoo (); discard (a * b); discard (a / b); discard (a % b); discard (au / bu); discard (au % bu); discard (a >> b); discard (a << b); discard (au >> bu); discard (au << bu); ddiscard (ad + bd); ddiscard (ad - bd); ddiscard (ad * bd); ddiscard (ad / bd); ddiscard (-ad); ddiscard (af + bf); ddiscard (af - bf); ddiscard (af * bf); ddiscard (af / bf); ddiscard (-af); discard ((int) ad); discard ((int) af); ddiscard ((double) a); ddiscard ((float) a); ddiscard ((float) ad); discard (ad == bd); discard (ad < bd); discard (ad > bd); discard (ad != bd); discard (ad <= bd); discard (ad >= bd); discard (af == bf); discard (af < bf); discard (af > bf); discard (af != bf); discard (af <= bf); discard (af >= bf); return 0; } discard (x) int x; {} ddiscard (x) double x; {} foo () { static int table[] = {20, 69, 4, 12}; static int idx; return table[idx++]; } double dfoo () { static double table[] = {20.4, 69.96, 4.4, 202.202}; static int idx; return table[idx++]; } /* Provide functions that some versions of the linker use to default the start address if -e symbol is not used, to avoid the warning message saying the start address is defaulted. */ extern void start() __asm__("start"); extern void _start() __asm__("_start"); extern void __start() __asm__("__start"); /* Provide functions that might be needed by soft-float emulation routines. */ void memcpy() {} void start() {} void _start() {} void __start() {} void mainCRTStartup() {}