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SubjectRe: [s390x] Patch for execve with a mode switch
> From: "BOEBLINGEN LINUX390" <>
> Date: Tue, 18 Mar 2003 09:57:47 +0100

> I am not too happy with the arch_get_unmapped_area myself. I not
> happpy with the TIF_ABI_PENDING bit either, there has to be a
> way to do this in a simply and straighforward way.
> I'll keep thinking about it.

Actually, I agree, but the only way out that I see is to
add yet another macro, which replaces the second SET_PERSONALITY
on 2.5 and adds a hook for 2.4 in that place.

Current 2.5 code looks bizzare:

for (headers) {
if (is header) {
interpreter = x;
SET_PERSONALITY(elf_ex, ibcs2_interpreter);
if (interpreter) {
} else {
SET_PERSONALITY(elf_ex, ibcs2_interpreter);
SET_PERSONALITY(elf_ex, ibcs2_interpreter); // Cries for extermination!
current->mm->free_area_cache = TASK_UNMAPPED_BASE;

Spaghetti wihout goto's!! There's no way to get to the third
SET_PERSONALITY without being there once, so what does that mean?

-- Pete
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