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linux-user: Assert stack used for auxvec, envp, argv 

Assert that the amount of stack space used for auxvec, envp & argv
exactly matches the amount allocated. This catches if DLINFO_ITEMS isn't
updated when another NEW_AUX_ENT is added.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Riku Voipio <riku.voipio@iki.fi>
Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
James Hogan 2014-03-25 23:21:50 +00:00 committed by Riku Voipio
parent aa07f5ecf9
commit 8c0f0a60d4
1 changed files with 2 additions and 0 deletions
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2
linux-user/elfload.c
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@ -1455,6 +1455,8 @@ static abi_ulong create_elf_tables(abi_ulong p, int argc, int envc,
info->auxv_len = sp_auxv - sp;
sp = loader_build_argptr(envc, argc, sp, p, 0);
/* Check the right amount of stack was allocated for auxvec, envp & argv. */
assert(sp_auxv - sp == size);
return sp;
}