From 3ec9892f5dd6240d8b21c8cad7874ea856040626 Mon Sep 17 00:00:00 2001 From: Alexander Fedotov-B55613 Date: Tue, 22 Aug 2017 17:06:54 +0300 Subject: [PATCH] move ILP32 sanity check on heap base code under ARM_RDI_MONITOR --- libgloss/aarch64/crt0.S | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/libgloss/aarch64/crt0.S b/libgloss/aarch64/crt0.S index 4ad435e03..f670e0373 100644 --- a/libgloss/aarch64/crt0.S +++ b/libgloss/aarch64/crt0.S @@ -101,10 +101,7 @@ exposed here in the HeapInfo Angel call. */ ldr x0, .LC0 /* point at returned values */ ldr x1, [x0, #8] /* get heap_limit */ -#else - /* Set up the stack pointer to a fixed value. */ - ldr x1, .Lstack -#endif + #ifdef __ILP32__ /* Sanity check on the heap base. */ ldr x0, [x0] /* get heap_base */ @@ -128,6 +125,10 @@ tst x1, #0xffffffff00000000 csinv w1, w1, wzr, eq #endif +#else + /* Set up the stack pointer to a fixed value. */ + ldr x1, .Lstack +#endif /* Ensure quad-word stack alignment. */ and x0, x1, #~15