diff mbox series

[v8,14/17] linux-user: Properly set image_info.brk in flatload

Message ID 20230804014517.6361-15-richard.henderson@linaro.org
State Superseded
Headers show
Series linux-user: brk fixes | expand

Commit Message

Richard Henderson Aug. 4, 2023, 1:45 a.m. UTC 
The heap starts at "brk" not "start_brk".  With this fixed,
image_info.start_brk is unused and may be removed.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 linux-user/qemu.h     | 1 -
 linux-user/flatload.c | 2 +-
 linux-user/main.c     | 2 --
 3 files changed, 1 insertion(+), 4 deletions(-)

Comments

Akihiko Odaki Aug. 4, 2023, 5:27 a.m. UTC | #1 
On 2023/08/04 10:45, Richard Henderson wrote:
> The heap starts at "brk" not "start_brk".  With this fixed,
> image_info.start_brk is unused and may be removed.
> 
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Helge Deller Aug. 4, 2023, 10:22 a.m. UTC | #2 
* Richard Henderson <richard.henderson@linaro.org>:
> The heap starts at "brk" not "start_brk".  With this fixed,
> image_info.start_brk is unused and may be removed.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Reviewed-by: Helge Deller <deller@gmx.de>
diff mbox series

Patch

diff --git a/linux-user/qemu.h b/linux-user/qemu.h
index 4b0c9da0dc..4f8b55e2fb 100644
--- a/linux-user/qemu.h
+++ b/linux-user/qemu.h
@@ -29,7 +29,6 @@  struct image_info {
         abi_ulong       end_code;
         abi_ulong       start_data;
         abi_ulong       end_data;
-        abi_ulong       start_brk;
         abi_ulong       brk;
         abi_ulong       start_mmap;
         abi_ulong       start_stack;
diff --git a/linux-user/flatload.c b/linux-user/flatload.c
index 5efec2630e..8f5e9f489b 100644
--- a/linux-user/flatload.c
+++ b/linux-user/flatload.c
@@ -811,7 +811,7 @@  int load_flt_binary(struct linux_binprm *bprm, struct image_info *info)
     info->end_code = libinfo[0].start_code + libinfo[0].text_len;
     info->start_data = libinfo[0].start_data;
     info->end_data = libinfo[0].end_data;
-    info->start_brk = libinfo[0].start_brk;
+    info->brk = libinfo[0].start_brk;
     info->start_stack = sp;
     info->stack_limit = libinfo[0].start_brk;
     info->entry = start_addr;
diff --git a/linux-user/main.c b/linux-user/main.c
index e089123cfa..51ee8649e2 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -953,8 +953,6 @@  int main(int argc, char **argv, char **envp)
             fprintf(f, "page layout changed following binary load\n");
             page_dump(f);
 
-            fprintf(f, "start_brk   0x" TARGET_ABI_FMT_lx "\n",
-                    info->start_brk);
             fprintf(f, "end_code    0x" TARGET_ABI_FMT_lx "\n",
                     info->end_code);
             fprintf(f, "start_code  0x" TARGET_ABI_FMT_lx "\n",