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Make sp 8 byte aligned in invokeNative on ARM (#697)

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Make sp 8 byte aligned in invokeNative assembly on ARM.

Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
This commit is contained in:
Huang Qi
2021-08-18 10:21:38 +08:00
committed by GitHub
parent db695fada4
commit 6a7fd3e688
3 changed files with 6 additions and 0 deletions
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2
core/iwasm/common/arch/invokeNative_thumb.s
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@ -23,6 +23,7 @@ _invokeNative:
push {r4, r5, r6, r7}
push {lr}
sub sp, sp, #4 /* make sp 8 byte aligned */
mov ip, r0 /* ip = function ptr */
mov r4, r1 /* r4 = argv */
mov r5, r2 /* r5 = argc */
@ -83,6 +84,7 @@ call_func:
add sp, sp, r6 /* restore sp */
return:
add sp, sp, #4 /* make sp 8 byte aligned */
pop {r3}
pop {r4, r5, r6, r7}
mov lr, r3