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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
.text
.align 2
#ifndef BH_PLATFORM_DARWIN
.globl invokeNative
.type invokeNative, function
invokeNative:
#else
.globl _invokeNative
_invokeNative:
#endif /* end of BH_PLATFORM_DARWIN */
/*
* Arguments passed in:
* r0: function ptr
* r1: argv
* r2: nstacks
* ARC ABI:
* r0-r7: function arguments, caller-saved
* r8-r12: temp registers, caller-saved
*/
push_s blink /* push return addr */
st.aw fp, [sp, -4] /* push fp */
mov fp, sp /* fp = sp */
mov r8, r0 /* r8 = func_ptr */
mov r9, r1 /* r9 = argv */
mov r10, r2 /* r10 = nstacks */
ld r0, [r9, 0] /* r0 = argv[0] */
ld r1, [r9, 4] /* r1 = argv[1] */
ld r2, [r9, 8] /* r2 = argv[2] */
ld r3, [r9, 12] /* r3 = argv[3] */
ld r4, [r9, 16] /* r4 = argv[4] */
ld r5, [r9, 20] /* r5 = argv[5] */
ld r6, [r9, 24] /* r6 = argv[6] */
ld r7, [r9, 28] /* r7 = argv[7] */
add r9, r9, 32 /* r9 = stack_args */
breq r10, 0, call_func /* if (r10 == 0) goto call_func */
asl r11, r10, 2 /* r11 = nstacks * 4 */
sub sp, sp, r11 /* sp = sp - nstacks * 4 */
and sp, sp, ~7 /* make sp 8-byte aligned */
mov r11, sp /* r11 = sp */
loop_stack_args:
breq r10, 0, call_func /* if (r10 == 0) goto call_func */
ld r12, [r9] /* r12 = stack_args[i] */
st r12, [r11] /* stack[i] = r12 */
add r9, r9, 4 /* r9 = r9 + 4 */
add r11, r11, 4 /* r11 = r11 + 4 */
sub r10, r10, 1 /* r10 = r10 + 1 */
j loop_stack_args
call_func:
jl [r8] /* call function */
mov sp, fp /* sp = fp */
ld.ab fp, [sp, 4] /* pop fp */
pop_s blink /* pop return addr */
j_s [blink] /* ret */
nop_s
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