1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
/* 
TEST_HEADER
 id = $HopeName$
 summary = Allocate but never look at objects
 language = c
 link = testlib.o
END_HEADER
*/

#include "testlib.h"
#include "mpscamc.h"

void *stackpointer;

static mps_res_t myscan(mps_ss_t ss, mps_addr_t base, mps_addr_t limit)
{
 MPS_SCAN_BEGIN(ss)
 MPS_SCAN_END(ss);
 return MPS_RES_OK;
}

static mps_addr_t myskip(mps_addr_t object)
{
 return (mps_addr_t) ((char *) object + 1);
}

static void mycopy(mps_addr_t object, mps_addr_t to)
{
}

static void mypad(mps_addr_t base, size_t size)
{
}

static mps_addr_t myisfwd(mps_addr_t object)
{
 return NULL;
}

static void myfwd(mps_addr_t object, mps_addr_t to)
{
}

struct mps_fmt_A_s fmtA =
{
 1,
 &myscan,
 &myskip,
 &mycopy,
 &myfwd,
 &myisfwd,
 &mypad
};


static void test(void)
{
 mps_space_t space;
 mps_pool_t pool;
 mps_thr_t thread;
 mps_root_t root;

 mps_fmt_t format;
 mps_ap_t ap;

 mps_addr_t p;

 int i;

 cdie(mps_space_create(&space), "create space");

 cdie(mps_thread_reg(&thread, space), "register thread");

 cdie(
  mps_root_create_reg(&root, space, MPS_RANK_AMBIG, 0, thread,
   mps_stack_scan_ambig, stackpointer, 0),
  "create root");

 cdie(
  mps_fmt_create_A(&format, space, &fmtA),
  "create format");

 cdie(
  mps_pool_create(&pool, space, mps_class_amc(), format),
  "create pool");

 cdie(
  mps_ap_create(&ap, pool, MPS_RANK_EXACT),
  "create ap");

 for(i=0; i<1000; i++)
 {
  do
  { die(mps_reserve(&p, ap, 1024*1024), "Reserve: ");
  }
  while (!mps_commit(ap, p, 1024*1024));
  comment("%i megabytes allocated", i);
 }

 mps_ap_destroy(ap);
 mps_pool_destroy(pool);
 mps_fmt_destroy(format);
 mps_root_destroy(root);
 mps_thread_dereg(thread);
 mps_space_destroy(space);

}

int main(void)
{
 void *m;
 stackpointer=&m; /* hack to get stack pointer */

 easy_tramp(test);
 pass();
 return 0;
}