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| author | Richard Henderson <richard.henderson@linaro.org> | 2024-01-02 12:57:37 +1100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2024-02-29 11:35:36 -1000 |
| commit | f11c05c3b90a8b873ddecc1fc037858445aa9b9c (patch) | |
| tree | f05e4db0ba45ea0e6ee5f06fe16ecde1fcf11208 /linux-user | |
| parent | a372d483f1ea6c1a37ce7ba5c44978bd53ca7938 (diff) | |
| download | qemu-f11c05c3b90a8b873ddecc1fc037858445aa9b9c.zip qemu-f11c05c3b90a8b873ddecc1fc037858445aa9b9c.tar.gz qemu-f11c05c3b90a8b873ddecc1fc037858445aa9b9c.tar.bz2 | |
linux-user: Adjust SVr4 NULL page mapping
Use TARGET_PAGE_SIZE and MAP_FIXED_NOREPLACE.
We really should be attending to this earlier during
probe_guest_base, as well as better detection and
emulation of various Linux personalities.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Acked-by: Helge Deller <deller@gmx.de>
Message-Id: <20240102015808.132373-3-richard.henderson@linaro.org>
Diffstat (limited to 'linux-user')
| -rw-r--r-- | linux-user/elfload.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 38bfc9a..a51518f 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -3912,8 +3912,9 @@ int load_elf_binary(struct linux_binprm *bprm, struct image_info *info) and some applications "depend" upon this behavior. Since we do not have the power to recompile these, we emulate the SVr4 behavior. Sigh. */ - target_mmap(0, qemu_host_page_size, PROT_READ | PROT_EXEC, - MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + target_mmap(0, TARGET_PAGE_SIZE, PROT_READ | PROT_EXEC, + MAP_FIXED_NOREPLACE | MAP_PRIVATE | MAP_ANONYMOUS, + -1, 0); } #ifdef TARGET_MIPS info->interp_fp_abi = interp_info.fp_abi; |