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/*
TEST_HEADER
id = $Id$
summary = test of mps_arena_roots_walk
language = c
link = testlib.o rankfmt.o
OUTPUT_SPEC
count1 = 6
countspec > 0
result = pass
END_HEADER
*/
#include "testlib.h"
#include "mpscamc.h"
#include "mpscawl.h"
#include "mpsavm.h"
#include "rankfmt.h"
#define genCOUNT (3)
static mps_gen_param_s testChain[genCOUNT] = {
{ 6000, 0.90 }, { 8000, 0.65 }, { 16000, 0.50 } };
#define MAGICSIZE (342)
long int rootcount;
long int speccount;
int oldstamp, newstamp;
mps_arena_t arena;
mps_pool_t poolamc, poollo, poolawl;
mps_thr_t thread;
mps_root_t root, root1;
mps_fmt_t format;
mps_ap_t apamc, aplo, apawl;
/* root is the stack root */
/* root1, root2, table roots */
mps_root_t root, root1, root2;
static void root_step(mps_addr_t* ref, mps_root_t r, void *V, size_t S)
{
mycell *a;
mycell *spec;
spec = (mycell *) V;
asserts(S == MAGICSIZE, "VII. Size didn't get passed!");
asserts((r == root || r == root1 || r == root2), "Root didn't get passed!");
a = *ref;
comment("root: %p -> %p", ref, a);
rootcount++;
if (spec == a) {
speccount++;
}
if (r != root) {
asserts(((a->tag) & 0x3) == MCdata,
"spurious ref claimed in root at %p->%p", ref, a);
a->data.checkedflag = newstamp;
}
}
static void walkroots (mycell *a)
{
mps_arena_park(arena);
mps_arena_roots_walk(arena, root_step, (mps_addr_t) a, MAGICSIZE);
mps_arena_release(arena);
}
/* a is a table of exact roots */
/* b a table of ambig roots */
mycell *a[4], *b[4];
static void test(void *stack_pointer)
{
mps_chain_t chain;
mycell *x;
cdie(mps_arena_create(&arena, mps_arena_class_vm(), (size_t) 1024*1024*30),
"create arena");
cdie(mps_thread_reg(&thread, arena), "register thread");
cdie(
mps_root_create_table_masked(&root1, arena, mps_rank_exact(), 0,
(mps_addr_t*)&a[0], 4, 0x4),
"create a root table");
cdie(
mps_root_create_table(&root2, arena, mps_rank_ambig(), 0, (mps_addr_t*)&b[0], 4),
"create b root table");
cdie(
mps_fmt_create_A(&format, arena, &fmtA),
"create format");
cdie(mps_chain_create(&chain, arena, genCOUNT, testChain), "chain_create");
die(mmqa_pool_create_chain(&poolamc, arena, mps_class_amc(), format, chain),
"create pool");
die(mmqa_pool_create_chain(&poollo, arena, mps_class_amcz(), format, chain),
"create pool");
cdie(
mps_pool_create(&poolawl, arena, mps_class_awl(), format, getassociated),
"create pool");
cdie(
mps_ap_create(&apamc, poolamc, mps_rank_exact()),
"create ap");
cdie(
mps_ap_create(&aplo, poollo, mps_rank_exact()),
"create ap");
cdie(
mps_ap_create(&apawl, poolawl, mps_rank_exact()),
"create ap");
newstamp = 0;
alloccomments = 1;
die(allocrdumb(&a[0], aplo, 64, mps_rank_exact()), "alloc");
die(allocrdumb(&a[1], apamc, 64, mps_rank_exact()), "alloc");
die(allocrdumb(&a[3], apawl, 64, mps_rank_exact()), "alloc");
a[2] = (mycell *)((mps_word_t)a[3] | 4);
die(allocrdumb(&b[0], aplo, 64, mps_rank_exact()), "alloc");
die(allocrdumb(&b[1], apamc, 64, mps_rank_exact()), "alloc");
b[2] = NULL;
die(allocrdumb(&b[3], apawl, 64, mps_rank_exact()), "alloc");
rootcount = 0;
walkroots(NULL);
report("count1", "%ld", rootcount);
cdie(mps_root_create_thread(&root, arena, thread, stack_pointer), "thread root");
x = allocdumb(apamc, 64, mps_rank_exact());
(void)allocdumb(apamc, 64, mps_rank_exact());
(void)allocdumb(apamc, 64, mps_rank_exact());
rootcount = 0;
speccount = 0;
walkroots(x);
report("count2", "%ld", rootcount);
report("countspec", "%ld", speccount);
mps_arena_park(arena);
mps_ap_destroy(apamc);
mps_ap_destroy(aplo);
mps_ap_destroy(apawl);
comment("Destroyed aps.");
mps_pool_destroy(poolamc);
mps_pool_destroy(poollo);
mps_pool_destroy(poolawl);
comment("Destroyed pools.");
mps_chain_destroy(chain);
mps_fmt_destroy(format);
comment("Destroyed format.");
mps_root_destroy(root2);
mps_root_destroy(root1);
mps_root_destroy(root);
comment("Destroyed roots.");
mps_thread_dereg(thread);
comment("Deregistered thread.");
mps_arena_destroy(arena);
comment("Destroyed arena.");
}
int main(void)
{
run_test(test);
report("result", "pass");
return 0;
}
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