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33 * typedef void (*PushAllRegistersCallback)(SafePointBarrier*, ThreadState*, intptr_t*);
34 * extern "C" void pushAllRegisters(SafePointBarrier*, ThreadState*, PushAllRegistersCallback)
37 .type pushAllRegisters, %function
38 .global pushAllRegisters
39 .hidden pushAllRegisters
41 /* In THUMB Mode jump to ARM stub via bx to ensure CPU mode switch.
42 * FIXME: This trampoline is provided to workaround bugs in
43 * the THUMB/ARM interworking that appear in the component build.
44 * When these issues are resolved this stub can be removed.
49 adr r3, pushAllRegistersARM
52 .type pushAllRegistersARM, %function
53 .hidden pushAllRegistersARM
60 /* Push all callee-saved registers and save return address. */
62 /* Pass the two first arguments unchanged (r0, r1)
63 * and pass the stack pointer after pushing callee-saved
64 * registers to the callback function.
69 /* Discard all the registers, and pop lr into pc which returns
70 * and switches mode if needed.