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| author | Richard Henderson <richard.henderson@linaro.org> | 2023-08-16 10:54:57 -0700 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2023-10-30 13:41:56 -0700 |
| commit | 5d94c2ffa813d07678c59dea516be5153f85cb2f (patch) | |
| tree | d58163c11712fa6a351a9d19826383c9efd01f27 | |
| parent | b63c6b97f8f5d357f383d8227316733c758c7ddd (diff) | |
| download | focaccia-qemu-5d94c2ffa813d07678c59dea516be5153f85cb2f.tar.gz focaccia-qemu-5d94c2ffa813d07678c59dea516be5153f85cb2f.zip | |
linux-user: Show vdso address in /proc/pid/maps
Tested-by: Helge Deller <deller@gmx.de> Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
| -rw-r--r-- | linux-user/elfload.c | 1 | ||||
| -rw-r--r-- | linux-user/qemu.h | 1 | ||||
| -rw-r--r-- | linux-user/syscall.c | 2 |
3 files changed, 4 insertions, 0 deletions
diff --git a/linux-user/elfload.c b/linux-user/elfload.c index a1583883fa..46832358b0 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -3919,6 +3919,7 @@ int load_elf_binary(struct linux_binprm *bprm, struct image_info *info) const VdsoImageInfo *vdso = vdso_image_info(); if (vdso) { load_elf_vdso(&vdso_info, vdso); + info->vdso = vdso_info.load_bias; } else if (TARGET_ARCH_HAS_SIGTRAMP_PAGE) { abi_long tramp_page = target_mmap(0, TARGET_PAGE_SIZE, PROT_READ | PROT_WRITE, diff --git a/linux-user/qemu.h b/linux-user/qemu.h index 12f638336a..4de9ec783f 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -32,6 +32,7 @@ struct image_info { abi_ulong brk; abi_ulong start_stack; abi_ulong stack_limit; + abi_ulong vdso; abi_ulong entry; abi_ulong code_offset; abi_ulong data_offset; diff --git a/linux-user/syscall.c b/linux-user/syscall.c index d49cd314a2..65ac3ac796 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -7992,6 +7992,8 @@ static void open_self_maps_4(const struct open_self_maps_data *d, path = "[stack]"; } else if (start == info->brk) { path = "[heap]"; + } else if (start == info->vdso) { + path = "[vdso]"; } /* Except null device (MAP_ANON), adjust offset for this fragment. */ |