Messages in this thread | | | From | Andreas Schwab <> | Subject | Re: [regression v2.6.38] Re: [PATCH v2] brk: fix min_brk lower bound computation for COMPAT_BRK | Date | Tue, 29 Mar 2011 22:37:38 +0200 |
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Geert Uytterhoeven <geert@linux-m68k.org> writes:
> Seems like the binary doesn't like brk() rounding up the requested > value to the next page...
From libc-5.4.46/libc/sysdeps/linux/m68k/__sbrk.c:
void * __sbrk(ptrdiff_t increment) { if (__init_brk () == 0) { register void * tmp asm ("%d1") = ___brk_addr+increment; __asm__ volatile ("movel %1,%/d0\n\t" "trap #0\n\t" "movel %/d0,%0" :"=g" (___brk_addr) :"i" (SYS_brk),"g" (tmp) : "%d0"); if (___brk_addr == tmp) return tmp-increment; errno = ENOMEM; } return ((void *) -1); }
Andreas.
-- Andreas Schwab, schwab@linux-m68k.org GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5 "And now for something completely different."
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