gcc/testsuite/gcc.dg/darwin-sections.c

   1 /* { dg-do compile {target *-*-darwin* } } */
   2 /* { dg-options "-std=c99 -w" } */
   3
   4 /* This has been designed to give the same section usage for
   5    -m32 and -m64 - so don't put any ints or longs in it ... */
   6
   7 /* A zero-sized object.  */
   8 typedef struct _empty {} e_s;
   9
  10 /* These should go in .comm */
  11 char ub;
  12 e_s ea;
  13 /* { dg-final { scan-assembler ".comm\[\t \]_ub,1" } } */
  14 /* { dg-final { scan-assembler ".comm\[\t \]_ea,1" } } */
  15
  16 /* These should go into .data */
  17 char a = 0;
  18 short b = 0;
  19 /* { dg-final { scan-assembler ".globl _a.*.data.*.space\[\t \]1" } } */
  20 /* { dg-final { scan-assembler ".globl _b.*.data.*.space\[\t \]2" } } */
  21
  22 /* These should go into __pu_bssN */
  23 long long d = 0;
  24 float e = 0;
  25 double f = 0;
  26 long double g = 0.L;
  27 long long al_256 __attribute__((aligned (256))) = 0;
  28 /* { dg-final { scan-assembler ".zerofill __DATA,__pu_bss3,_d,8,3" } } */
  29 /* { dg-final { scan-assembler ".zerofill __DATA,__pu_bss2,_e,4,2" } } */
  30 /* { dg-final { scan-assembler ".zerofill __DATA,__pu_bss3,_f,8,3" } } */
  31 /* { dg-final { scan-assembler ".zerofill __DATA,__pu_bss4,_g,16,4" } } */
  32 /* { dg-final { scan-assembler ".zerofill __DATA,__pu_bss8,_al_256,8,8" } } */
  33
  34 /* This should go into __zo_bss0 */
  35 static e_s sea;
  36 /* { dg-final { scan-assembler ".zerofill __DATA,__zo_bss0,_sea,1" } } */
  37
  38 /* These should go into .static_data */
  39 static char sa ;
  40 static short sb ;
  41 /* { dg-final { scan-assembler ".static_data.*_sa:.*.space\[\t \]1" } } */
  42 /* { dg-final { scan-assembler ".static_data.*_sb:.*.space\[\t \]2" } } */
  43
  44 /* These should go into _bssN */
  45 static long long sd;
  46 static float se ;
  47 static double sf ;
  48 static long double sg;
  49 static long long sal_256 __attribute__((aligned (2048)));
  50 /* { dg-final { scan-assembler ".zerofill __DATA,__bss3,_sd,8,3" } } */
  51 /* { dg-final { scan-assembler ".zerofill __DATA,__bss2,_se,4,2" } } */
  52 /* { dg-final { scan-assembler ".zerofill __DATA,__bss3,_sf,8,3" } } */
  53 /* { dg-final { scan-assembler ".zerofill __DATA,__bss4,_sg,16,4" } } */
  54 /* { dg-final { scan-assembler ".zerofill __DATA,__bss11,_sal_256,8,11" } } */
  55
  56 long long foo (int x)
  57 {
  58   e_s *s;
  59   a += x + sa;
  60   b += a + sb;
  61   d += b + sd;
  62   e += d + se;
  63   f += e + sf;
  64   g += f + sg;
  65
  66   s = &ea;
  67   s = &sea;
  68
  69   b += al_256;
  70   b += sal_256;
  71
  72   return (long long) sd + b;
  73 }