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move ILP32 sanity check on heap base code under ARM_RDI_MONITOR

This commit is contained in:
Alexander Fedotov-B55613 2017-08-22 17:06:54 +03:00 committed by Corinna Vinschen
parent b706c6b479
commit 3ec9892f5d
1 changed files with 5 additions and 4 deletions
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9
libgloss/aarch64/crt0.S
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@ -101,10 +101,7 @@
exposed here in the HeapInfo Angel call. */ exposed here in the HeapInfo Angel call. */
ldr x0, .LC0 /* point at returned values */ ldr x0, .LC0 /* point at returned values */
ldr x1, [x0, #8] /* get heap_limit */ ldr x1, [x0, #8] /* get heap_limit */
#else
/* Set up the stack pointer to a fixed value. */
ldr x1, .Lstack
#endif
#ifdef __ILP32__ #ifdef __ILP32__
/* Sanity check on the heap base. */ /* Sanity check on the heap base. */
ldr x0, [x0] /* get heap_base */ ldr x0, [x0] /* get heap_base */
@ -128,6 +125,10 @@
tst x1, #0xffffffff00000000 tst x1, #0xffffffff00000000
csinv w1, w1, wzr, eq csinv w1, w1, wzr, eq
#endif #endif
#else
/* Set up the stack pointer to a fixed value. */
ldr x1, .Lstack
#endif
/* Ensure quad-word stack alignment. */ /* Ensure quad-word stack alignment. */
and x0, x1, #~15 and x0, x1, #~15