sdcc/support/regression/tests/bug-3079.c

   1 /* bug-3079.c
   2    A crash in code generation for 8-bit parameters to __smallc functions.
   3  */
   4
   5 #include <testfwk.h>
   6
   7 #pragma disable_warning 283
   8
   9 #if !defined(__SDCC_z80) && !defined(__SDCC_z180) && !defined(__SDCC_gz80)
  10 #define __smallc
  11 #endif
  12
  13 unsigned char func2()
  14 {
  15         return 0xa5;
  16 }
  17
  18 int esxdos_f_read(unsigned char handle) __smallc
  19 {
  20         ASSERT (handle == 0xa5);
  21         return 0;
  22 }
  23
  24 void
  25 testBug(void)
  26 {
  27         unsigned char h;
  28
  29         h =func2();
  30         esxdos_f_read(h); // SIGSEGV when h allocated to lower half of register pair.
  31 }
  32