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[PATCH 3/6] linux-user: Adjust brk for load_bias
From: |
Richard Henderson |
Subject: |
[PATCH 3/6] linux-user: Adjust brk for load_bias |
Date: |
Wed, 16 Aug 2023 11:14:34 -0700 |
PIE executables are usually linked at offset 0 and are
relocated somewhere during load. The hiaddr needs to
be adjusted to keep the brk next to the executable.
Cc: qemu-stable@nongnu.org
Fixes: 1f356e8c013 ("linux-user: Adjust initial brk when interpreter is close
to executable")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
linux-user/elfload.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index ccfbf82836..ab11f141c3 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -3278,7 +3278,7 @@ static void load_elf_image(const char *image_name, const
ImageSource *src,
info->start_data = -1;
info->end_data = 0;
/* Usual start for brk is after all sections of the main executable. */
- info->brk = TARGET_PAGE_ALIGN(hiaddr);
+ info->brk = TARGET_PAGE_ALIGN(hiaddr + load_bias);
info->elf_flags = ehdr->e_flags;
prot_exec = PROT_EXEC;
--
2.34.1
- [PATCH 0/6] linux-user: Rewrite open_self_maps, Richard Henderson, 2023/08/16
- [PATCH 1/6] util/selfmap: Use dev_t and ino_t in MapInfo, Richard Henderson, 2023/08/16
- [PATCH 4/6] linux-user: Show heap address in /proc/pid/maps, Richard Henderson, 2023/08/16
- [PATCH 3/6] linux-user: Adjust brk for load_bias,
Richard Henderson <=
- [PATCH 2/6] linux-user: Use walk_memory_regions for open_self_maps, Richard Henderson, 2023/08/16
- [PATCH 6/6] linux-user: Show vdso address in /proc/pid/maps, Richard Henderson, 2023/08/16
- [PATCH 5/6] linux-user: Remove ELF_START_MMAP and image_info.start_mmap, Richard Henderson, 2023/08/16