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 parse-bytecode

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gchelper.s

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.syntax unified

.cpu cortex-m4

.thumb

.text

.align 2

@ uint gc_helper_get_regs_and_sp(r0=uint regs[10])

.global gc_helper_get_regs_and_sp

.thumb

.thumb_func

.type gc_helper_get_regs_and_sp, %function

gc_helper_get_regs_and_sp:

@ store registers into given array

str r4, [r0], #4

str r5, [r0], #4

str r6, [r0], #4

str r7, [r0], #4

str r8, [r0], #4

str r9, [r0], #4

str r10, [r0], #4

str r11, [r0], #4

str r12, [r0], #4

str r13, [r0], #4

@ return the sp

mov r0, sp

bx lr

@ this next function is now obsolete

.size gc_helper_get_regs_and_clean_stack, .-gc_helper_get_regs_and_clean_stack

@ void gc_helper_get_regs_and_clean_stack(r0=uint regs[10], r1=heap_end)

.global gc_helper_get_regs_and_clean_stack

.thumb

.thumb_func

.type gc_helper_get_regs_and_clean_stack, %function

gc_helper_get_regs_and_clean_stack:

@ store registers into given array

str r4, [r0], #4

str r5, [r0], #4

str r6, [r0], #4

str r7, [r0], #4

str r8, [r0], #4

str r9, [r0], #4

str r10, [r0], #4

str r11, [r0], #4

str r12, [r0], #4

str r13, [r0], #4

@ clean the stack from given pointer up to current sp

movs r0, #0

mov r2, sp

b.n .entry

.loop:

str r0, [r1], #4

.entry:

cmp r1, r2

bcc.n .loop

bx lr

.size gc_helper_get_regs_and_clean_stack, .-gc_helper_get_regs_and_clean_stack