xref: /qemu/linux-user/s390x/target_mman.h (revision 32e07fddc6d989dc5fdff4f9c9e47cb1f3911904)
12d708164SRichard Henderson /*
22d708164SRichard Henderson  * arch/s390/include/asm/processor.h:
32d708164SRichard Henderson  * TASK_UNMAPPED_BASE           (... : (_REGION2_SIZE >> 1))
42d708164SRichard Henderson  *
52d708164SRichard Henderson  * arch/s390/include/asm/pgtable.h:
62d708164SRichard Henderson  * _REGION2_SIZE                (1UL << _REGION2_SHIFT)
72d708164SRichard Henderson  * _REGION2_SHIFT               42
82d708164SRichard Henderson  */
92d708164SRichard Henderson #define TASK_UNMAPPED_BASE      (1ull << 41)
102d708164SRichard Henderson 
11*da2b71faSRichard Henderson /*
12*da2b71faSRichard Henderson  * arch/s390/include/asm/elf.h:
13*da2b71faSRichard Henderson  * ELF_ET_DYN_BASE              (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1)
14*da2b71faSRichard Henderson  *
15*da2b71faSRichard Henderson  * arch/s390/include/asm/processor.h:
16*da2b71faSRichard Henderson  * STACK_TOP                    VDSO_LIMIT - VDSO_SIZE - PAGE_SIZE
17*da2b71faSRichard Henderson  * VDSO_LIMIT                   _REGION2_SIZE
18*da2b71faSRichard Henderson  */
19*da2b71faSRichard Henderson #define ELF_ET_DYN_BASE         (((1ull << 42) / 3 * 2) & ~0xffffffffull)
20*da2b71faSRichard Henderson 
219f22020bSIlya Leoshkevich #include "../generic/target_mman.h"
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