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linux-user: Define ELF_ET_DYN_BASE in $guest/target_mman.h

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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>
This commit is contained in:
Richard Henderson 2023-08-02 15:17:33 -07:00
parent 2d708164e0
commit da2b71fab6
23 changed files with 106 additions and 2 deletions
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10
linux-user/s390x/target_mman.h
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@ -8,4 +8,14 @@
*/
#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"