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-rw-r--r--memory/jemalloc/src/test/integration/xallocx.c497
1 files changed, 0 insertions, 497 deletions
diff --git a/memory/jemalloc/src/test/integration/xallocx.c b/memory/jemalloc/src/test/integration/xallocx.c
deleted file mode 100644
index ad292bb56..000000000
--- a/memory/jemalloc/src/test/integration/xallocx.c
+++ /dev/null
@@ -1,497 +0,0 @@
-#include "test/jemalloc_test.h"
-
-#ifdef JEMALLOC_FILL
-const char *malloc_conf = "junk:false";
-#endif
-
-/*
- * Use a separate arena for xallocx() extension/contraction tests so that
- * internal allocation e.g. by heap profiling can't interpose allocations where
- * xallocx() would ordinarily be able to extend.
- */
-static unsigned
-arena_ind(void)
-{
- static unsigned ind = 0;
-
- if (ind == 0) {
- size_t sz = sizeof(ind);
- assert_d_eq(mallctl("arenas.extend", &ind, &sz, NULL, 0), 0,
- "Unexpected mallctl failure creating arena");
- }
-
- return (ind);
-}
-
-TEST_BEGIN(test_same_size)
-{
- void *p;
- size_t sz, tsz;
-
- p = mallocx(42, 0);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
- sz = sallocx(p, 0);
-
- tsz = xallocx(p, sz, 0, 0);
- assert_zu_eq(tsz, sz, "Unexpected size change: %zu --> %zu", sz, tsz);
-
- dallocx(p, 0);
-}
-TEST_END
-
-TEST_BEGIN(test_extra_no_move)
-{
- void *p;
- size_t sz, tsz;
-
- p = mallocx(42, 0);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
- sz = sallocx(p, 0);
-
- tsz = xallocx(p, sz, sz-42, 0);
- assert_zu_eq(tsz, sz, "Unexpected size change: %zu --> %zu", sz, tsz);
-
- dallocx(p, 0);
-}
-TEST_END
-
-TEST_BEGIN(test_no_move_fail)
-{
- void *p;
- size_t sz, tsz;
-
- p = mallocx(42, 0);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
- sz = sallocx(p, 0);
-
- tsz = xallocx(p, sz + 5, 0, 0);
- assert_zu_eq(tsz, sz, "Unexpected size change: %zu --> %zu", sz, tsz);
-
- dallocx(p, 0);
-}
-TEST_END
-
-static unsigned
-get_nsizes_impl(const char *cmd)
-{
- unsigned ret;
- size_t z;
-
- z = sizeof(unsigned);
- assert_d_eq(mallctl(cmd, &ret, &z, NULL, 0), 0,
- "Unexpected mallctl(\"%s\", ...) failure", cmd);
-
- return (ret);
-}
-
-static unsigned
-get_nsmall(void)
-{
-
- return (get_nsizes_impl("arenas.nbins"));
-}
-
-static unsigned
-get_nlarge(void)
-{
-
- return (get_nsizes_impl("arenas.nlruns"));
-}
-
-static unsigned
-get_nhuge(void)
-{
-
- return (get_nsizes_impl("arenas.nhchunks"));
-}
-
-static size_t
-get_size_impl(const char *cmd, size_t ind)
-{
- size_t ret;
- size_t z;
- size_t mib[4];
- size_t miblen = 4;
-
- z = sizeof(size_t);
- assert_d_eq(mallctlnametomib(cmd, mib, &miblen),
- 0, "Unexpected mallctlnametomib(\"%s\", ...) failure", cmd);
- mib[2] = ind;
- z = sizeof(size_t);
- assert_d_eq(mallctlbymib(mib, miblen, &ret, &z, NULL, 0),
- 0, "Unexpected mallctlbymib([\"%s\", %zu], ...) failure", cmd, ind);
-
- return (ret);
-}
-
-static size_t
-get_small_size(size_t ind)
-{
-
- return (get_size_impl("arenas.bin.0.size", ind));
-}
-
-static size_t
-get_large_size(size_t ind)
-{
-
- return (get_size_impl("arenas.lrun.0.size", ind));
-}
-
-static size_t
-get_huge_size(size_t ind)
-{
-
- return (get_size_impl("arenas.hchunk.0.size", ind));
-}
-
-TEST_BEGIN(test_size)
-{
- size_t small0, hugemax;
- void *p;
-
- /* Get size classes. */
- small0 = get_small_size(0);
- hugemax = get_huge_size(get_nhuge()-1);
-
- p = mallocx(small0, 0);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
-
- /* Test smallest supported size. */
- assert_zu_eq(xallocx(p, 1, 0, 0), small0,
- "Unexpected xallocx() behavior");
-
- /* Test largest supported size. */
- assert_zu_le(xallocx(p, hugemax, 0, 0), hugemax,
- "Unexpected xallocx() behavior");
-
- /* Test size overflow. */
- assert_zu_le(xallocx(p, hugemax+1, 0, 0), hugemax,
- "Unexpected xallocx() behavior");
- assert_zu_le(xallocx(p, SIZE_T_MAX, 0, 0), hugemax,
- "Unexpected xallocx() behavior");
-
- dallocx(p, 0);
-}
-TEST_END
-
-TEST_BEGIN(test_size_extra_overflow)
-{
- size_t small0, hugemax;
- void *p;
-
- /* Get size classes. */
- small0 = get_small_size(0);
- hugemax = get_huge_size(get_nhuge()-1);
-
- p = mallocx(small0, 0);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
-
- /* Test overflows that can be resolved by clamping extra. */
- assert_zu_le(xallocx(p, hugemax-1, 2, 0), hugemax,
- "Unexpected xallocx() behavior");
- assert_zu_le(xallocx(p, hugemax, 1, 0), hugemax,
- "Unexpected xallocx() behavior");
-
- /* Test overflow such that hugemax-size underflows. */
- assert_zu_le(xallocx(p, hugemax+1, 2, 0), hugemax,
- "Unexpected xallocx() behavior");
- assert_zu_le(xallocx(p, hugemax+2, 3, 0), hugemax,
- "Unexpected xallocx() behavior");
- assert_zu_le(xallocx(p, SIZE_T_MAX-2, 2, 0), hugemax,
- "Unexpected xallocx() behavior");
- assert_zu_le(xallocx(p, SIZE_T_MAX-1, 1, 0), hugemax,
- "Unexpected xallocx() behavior");
-
- dallocx(p, 0);
-}
-TEST_END
-
-TEST_BEGIN(test_extra_small)
-{
- size_t small0, small1, hugemax;
- void *p;
-
- /* Get size classes. */
- small0 = get_small_size(0);
- small1 = get_small_size(1);
- hugemax = get_huge_size(get_nhuge()-1);
-
- p = mallocx(small0, 0);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
-
- assert_zu_eq(xallocx(p, small1, 0, 0), small0,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, small1, 0, 0), small0,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, small0, small1 - small0, 0), small0,
- "Unexpected xallocx() behavior");
-
- /* Test size+extra overflow. */
- assert_zu_eq(xallocx(p, small0, hugemax - small0 + 1, 0), small0,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, small0, SIZE_T_MAX - small0, 0), small0,
- "Unexpected xallocx() behavior");
-
- dallocx(p, 0);
-}
-TEST_END
-
-TEST_BEGIN(test_extra_large)
-{
- int flags = MALLOCX_ARENA(arena_ind());
- size_t smallmax, large0, large1, large2, huge0, hugemax;
- void *p;
-
- /* Get size classes. */
- smallmax = get_small_size(get_nsmall()-1);
- large0 = get_large_size(0);
- large1 = get_large_size(1);
- large2 = get_large_size(2);
- huge0 = get_huge_size(0);
- hugemax = get_huge_size(get_nhuge()-1);
-
- p = mallocx(large2, flags);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
-
- assert_zu_eq(xallocx(p, large2, 0, flags), large2,
- "Unexpected xallocx() behavior");
- /* Test size decrease with zero extra. */
- assert_zu_eq(xallocx(p, large0, 0, flags), large0,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, smallmax, 0, flags), large0,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, large2, 0, flags), large2,
- "Unexpected xallocx() behavior");
- /* Test size decrease with non-zero extra. */
- assert_zu_eq(xallocx(p, large0, large2 - large0, flags), large2,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, large1, large2 - large1, flags), large2,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, large0, large1 - large0, flags), large1,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, smallmax, large0 - smallmax, flags), large0,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, large0, 0, flags), large0,
- "Unexpected xallocx() behavior");
- /* Test size increase with zero extra. */
- assert_zu_eq(xallocx(p, large2, 0, flags), large2,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, huge0, 0, flags), large2,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, large0, 0, flags), large0,
- "Unexpected xallocx() behavior");
- /* Test size increase with non-zero extra. */
- assert_zu_lt(xallocx(p, large0, huge0 - large0, flags), huge0,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, large0, 0, flags), large0,
- "Unexpected xallocx() behavior");
- /* Test size increase with non-zero extra. */
- assert_zu_eq(xallocx(p, large0, large2 - large0, flags), large2,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, large2, 0, flags), large2,
- "Unexpected xallocx() behavior");
- /* Test size+extra overflow. */
- assert_zu_lt(xallocx(p, large2, hugemax - large2 + 1, flags), huge0,
- "Unexpected xallocx() behavior");
-
- dallocx(p, flags);
-}
-TEST_END
-
-TEST_BEGIN(test_extra_huge)
-{
- int flags = MALLOCX_ARENA(arena_ind());
- size_t largemax, huge1, huge2, huge3, hugemax;
- void *p;
-
- /* Get size classes. */
- largemax = get_large_size(get_nlarge()-1);
- huge1 = get_huge_size(1);
- huge2 = get_huge_size(2);
- huge3 = get_huge_size(3);
- hugemax = get_huge_size(get_nhuge()-1);
-
- p = mallocx(huge3, flags);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
-
- assert_zu_eq(xallocx(p, huge3, 0, flags), huge3,
- "Unexpected xallocx() behavior");
- /* Test size decrease with zero extra. */
- assert_zu_ge(xallocx(p, huge1, 0, flags), huge1,
- "Unexpected xallocx() behavior");
- assert_zu_ge(xallocx(p, largemax, 0, flags), huge1,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, huge3, 0, flags), huge3,
- "Unexpected xallocx() behavior");
- /* Test size decrease with non-zero extra. */
- assert_zu_eq(xallocx(p, huge1, huge3 - huge1, flags), huge3,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, huge2, huge3 - huge2, flags), huge3,
- "Unexpected xallocx() behavior");
- assert_zu_eq(xallocx(p, huge1, huge2 - huge1, flags), huge2,
- "Unexpected xallocx() behavior");
- assert_zu_ge(xallocx(p, largemax, huge1 - largemax, flags), huge1,
- "Unexpected xallocx() behavior");
-
- assert_zu_ge(xallocx(p, huge1, 0, flags), huge1,
- "Unexpected xallocx() behavior");
- /* Test size increase with zero extra. */
- assert_zu_le(xallocx(p, huge3, 0, flags), huge3,
- "Unexpected xallocx() behavior");
- assert_zu_le(xallocx(p, hugemax+1, 0, flags), huge3,
- "Unexpected xallocx() behavior");
-
- assert_zu_ge(xallocx(p, huge1, 0, flags), huge1,
- "Unexpected xallocx() behavior");
- /* Test size increase with non-zero extra. */
- assert_zu_le(xallocx(p, huge1, SIZE_T_MAX - huge1, flags), hugemax,
- "Unexpected xallocx() behavior");
-
- assert_zu_ge(xallocx(p, huge1, 0, flags), huge1,
- "Unexpected xallocx() behavior");
- /* Test size increase with non-zero extra. */
- assert_zu_le(xallocx(p, huge1, huge3 - huge1, flags), huge3,
- "Unexpected xallocx() behavior");
-
- assert_zu_eq(xallocx(p, huge3, 0, flags), huge3,
- "Unexpected xallocx() behavior");
- /* Test size+extra overflow. */
- assert_zu_le(xallocx(p, huge3, hugemax - huge3 + 1, flags), hugemax,
- "Unexpected xallocx() behavior");
-
- dallocx(p, flags);
-}
-TEST_END
-
-static void
-print_filled_extents(const void *p, uint8_t c, size_t len)
-{
- const uint8_t *pc = (const uint8_t *)p;
- size_t i, range0;
- uint8_t c0;
-
- malloc_printf(" p=%p, c=%#x, len=%zu:", p, c, len);
- range0 = 0;
- c0 = pc[0];
- for (i = 0; i < len; i++) {
- if (pc[i] != c0) {
- malloc_printf(" %#x[%zu..%zu)", c0, range0, i);
- range0 = i;
- c0 = pc[i];
- }
- }
- malloc_printf(" %#x[%zu..%zu)\n", c0, range0, i);
-}
-
-static bool
-validate_fill(const void *p, uint8_t c, size_t offset, size_t len)
-{
- const uint8_t *pc = (const uint8_t *)p;
- bool err;
- size_t i;
-
- for (i = offset, err = false; i < offset+len; i++) {
- if (pc[i] != c)
- err = true;
- }
-
- if (err)
- print_filled_extents(p, c, offset + len);
-
- return (err);
-}
-
-static void
-test_zero(size_t szmin, size_t szmax)
-{
- int flags = MALLOCX_ARENA(arena_ind()) | MALLOCX_ZERO;
- size_t sz, nsz;
- void *p;
-#define FILL_BYTE 0x7aU
-
- sz = szmax;
- p = mallocx(sz, flags);
- assert_ptr_not_null(p, "Unexpected mallocx() error");
- assert_false(validate_fill(p, 0x00, 0, sz), "Memory not filled: sz=%zu",
- sz);
-
- /*
- * Fill with non-zero so that non-debug builds are more likely to detect
- * errors.
- */
- memset(p, FILL_BYTE, sz);
- assert_false(validate_fill(p, FILL_BYTE, 0, sz),
- "Memory not filled: sz=%zu", sz);
-
- /* Shrink in place so that we can expect growing in place to succeed. */
- sz = szmin;
- assert_zu_eq(xallocx(p, sz, 0, flags), sz,
- "Unexpected xallocx() error");
- assert_false(validate_fill(p, FILL_BYTE, 0, sz),
- "Memory not filled: sz=%zu", sz);
-
- for (sz = szmin; sz < szmax; sz = nsz) {
- nsz = nallocx(sz+1, flags);
- assert_zu_eq(xallocx(p, sz+1, 0, flags), nsz,
- "Unexpected xallocx() failure");
- assert_false(validate_fill(p, FILL_BYTE, 0, sz),
- "Memory not filled: sz=%zu", sz);
- assert_false(validate_fill(p, 0x00, sz, nsz-sz),
- "Memory not filled: sz=%zu, nsz-sz=%zu", sz, nsz-sz);
- memset((void *)((uintptr_t)p + sz), FILL_BYTE, nsz-sz);
- assert_false(validate_fill(p, FILL_BYTE, 0, nsz),
- "Memory not filled: nsz=%zu", nsz);
- }
-
- dallocx(p, flags);
-}
-
-TEST_BEGIN(test_zero_large)
-{
- size_t large0, largemax;
-
- /* Get size classes. */
- large0 = get_large_size(0);
- largemax = get_large_size(get_nlarge()-1);
-
- test_zero(large0, largemax);
-}
-TEST_END
-
-TEST_BEGIN(test_zero_huge)
-{
- size_t huge0, huge1;
-
- /* Get size classes. */
- huge0 = get_huge_size(0);
- huge1 = get_huge_size(1);
-
- test_zero(huge1, huge0 * 2);
-}
-TEST_END
-
-int
-main(void)
-{
-
- return (test(
- test_same_size,
- test_extra_no_move,
- test_no_move_fail,
- test_size,
- test_size_extra_overflow,
- test_extra_small,
- test_extra_large,
- test_extra_huge,
- test_zero_large,
- test_zero_huge));
-}