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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-02 15:17:33 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-08-08 13:27:15 -0700 |
| commit | da2b71fab63f2396396021917eed9d52f33a45c0 (patch) | |
| tree | 59f4b4fde6d99cb6e61f81bf40832ec344716a1f /linux-user/s390x/target_mman.h | |
| parent | 2d708164e0475064e0e2167bd73e8570e22df1e0 (diff) | |
| download | focaccia-qemu-da2b71fab63f2396396021917eed9d52f33a45c0.tar.gz focaccia-qemu-da2b71fab63f2396396021917eed9d52f33a45c0.zip | |
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>
Diffstat (limited to 'linux-user/s390x/target_mman.h')
| -rw-r--r-- | linux-user/s390x/target_mman.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/linux-user/s390x/target_mman.h b/linux-user/s390x/target_mman.h index 40d149b329..c82435e381 100644 --- a/linux-user/s390x/target_mman.h +++ b/linux-user/s390x/target_mman.h @@ -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" |