qemu/linux-user/s390x/target_mman.h
Richard Henderson da2b71fab6 linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h
Copy each guest kernel's default value, then bound it
against reserved_va or the host address space.

Tested-by: Helge Deller <deller@gmx.de>
Reviewed-by: Helge Deller <deller@gmx.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2023-08-08 13:27:15 -07:00

22 lines
659 B
C

/*
* arch/s390/include/asm/processor.h:
* TASK_UNMAPPED_BASE (... : (_REGION2_SIZE >> 1))
*
* arch/s390/include/asm/pgtable.h:
* _REGION2_SIZE (1UL << _REGION2_SHIFT)
* _REGION2_SHIFT 42
*/
#define TASK_UNMAPPED_BASE (1ull << 41)
/*
* arch/s390/include/asm/elf.h:
* ELF_ET_DYN_BASE (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1)
*
* arch/s390/include/asm/processor.h:
* STACK_TOP VDSO_LIMIT - VDSO_SIZE - PAGE_SIZE
* VDSO_LIMIT _REGION2_SIZE
*/
#define ELF_ET_DYN_BASE (((1ull << 42) / 3 * 2) & ~0xffffffffull)
#include "../generic/target_mman.h"