@@ -15,20 +15,8 @@ TEST(infinite_rlimit)
do_mmaps(&mmap_addresses);
EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
#endif
}
@@ -15,20 +15,8 @@ TEST(default_rlimit)
do_mmaps(&mmap_addresses);
EXPECT_NE(MAP_FAILED, mmap_addresses.no_hint);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_37_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_38_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_46_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_47_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_55_addr);
- EXPECT_NE(MAP_FAILED, mmap_addresses.on_56_addr);
EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.no_hint);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_37_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_38_addr);
- EXPECT_GT(1UL << 38, (unsigned long)mmap_addresses.on_46_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_47_addr);
- EXPECT_GT(1UL << 47, (unsigned long)mmap_addresses.on_55_addr);
- EXPECT_GT(1UL << 56, (unsigned long)mmap_addresses.on_56_addr);
#endif
}
@@ -10,47 +10,17 @@
struct addresses {
int *no_hint;
- int *on_37_addr;
- int *on_38_addr;
- int *on_46_addr;
- int *on_47_addr;
- int *on_55_addr;
- int *on_56_addr;
};
// Only works on 64 bit
#if __riscv_xlen == 64
static inline void do_mmaps(struct addresses *mmap_addresses)
{
- /*
- * Place all of the hint addresses on the boundaries of mmap
- * sv39, sv48, sv57
- * User addresses end at 1<<38, 1<<47, 1<<56 respectively
- */
- void *on_37_bits = (void *)(1UL << 37);
- void *on_38_bits = (void *)(1UL << 38);
- void *on_46_bits = (void *)(1UL << 46);
- void *on_47_bits = (void *)(1UL << 47);
- void *on_55_bits = (void *)(1UL << 55);
- void *on_56_bits = (void *)(1UL << 56);
-
int prot = PROT_READ | PROT_WRITE;
int flags = MAP_PRIVATE | MAP_ANONYMOUS;
mmap_addresses->no_hint =
mmap(NULL, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_37_addr =
- mmap(on_37_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_38_addr =
- mmap(on_38_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_46_addr =
- mmap(on_46_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_47_addr =
- mmap(on_47_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_55_addr =
- mmap(on_55_bits, 5 * sizeof(int), prot, flags, 0, 0);
- mmap_addresses->on_56_addr =
- mmap(on_56_bits, 5 * sizeof(int), prot, flags, 0, 0);
}
#endif /* __riscv_xlen == 64 */