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380 lines
9.0 KiB
380 lines
9.0 KiB
// This file is generated from a similarly-named Perl script in the BoringSSL
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// source tree. Do not edit by hand.
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#if !defined(__has_feature)
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#define __has_feature(x) 0
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#endif
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#if __has_feature(memory_sanitizer) && !defined(OPENSSL_NO_ASM)
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#define OPENSSL_NO_ASM
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#endif
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#if !defined(OPENSSL_NO_ASM)
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#if defined(__arm__)
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#if defined(BORINGSSL_PREFIX)
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#include <boringssl_prefix_symbols_asm.h>
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#endif
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.syntax unified
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.arch armv7-a
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.fpu vfp
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.text
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@ abi_test_trampoline loads callee-saved registers from |state|, calls |func|
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@ with |argv|, then saves the callee-saved registers into |state|. It returns
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@ the result of |func|. The |unwind| argument is unused.
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@ uint32_t abi_test_trampoline(void (*func)(...), CallerState *state,
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@ const uint32_t *argv, size_t argc,
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@ int unwind);
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.type abi_test_trampoline, %function
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.globl abi_test_trampoline
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.hidden abi_test_trampoline
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.align 4
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abi_test_trampoline:
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@ Save parameters and all callee-saved registers. For convenience, we
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@ save r9 on iOS even though it's volatile.
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vstmdb sp!, {d8,d9,d10,d11,d12,d13,d14,d15}
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stmdb sp!, {r0,r1,r2,r3,r4,r5,r6,r7,r8,r9,r10,r11,lr}
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@ Reserve stack space for six (10-4) stack parameters, plus an extra 4
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@ bytes to keep it 8-byte-aligned (see AAPCS, section 5.3).
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sub sp, sp, #28
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@ Every register in AAPCS is either non-volatile or a parameter (except
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@ r9 on iOS), so this code, by the actual call, loses all its scratch
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@ registers. First fill in stack parameters while there are registers
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@ to spare.
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cmp r3, #4
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bls .Lstack_args_done
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mov r4, sp @ r4 is the output pointer.
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add r5, r2, r3, lsl #2 @ Set r5 to the end of argv.
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add r2, r2, #16 @ Skip four arguments.
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.Lstack_args_loop:
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ldr r6, [r2], #4
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cmp r2, r5
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str r6, [r4], #4
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bne .Lstack_args_loop
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.Lstack_args_done:
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@ Load registers from |r1|.
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vldmia r1!, {d8,d9,d10,d11,d12,d13,d14,d15}
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#if defined(__APPLE__)
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@ r9 is not volatile on iOS.
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ldmia r1!, {r4,r5,r6,r7,r8,r10-r11}
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#else
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ldmia r1!, {r4,r5,r6,r7,r8,r9,r10,r11}
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#endif
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@ Load register parameters. This uses up our remaining registers, so we
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@ repurpose lr as scratch space.
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ldr r3, [sp, #40] @ Reload argc.
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ldr lr, [sp, #36] @ .Load argv into lr.
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cmp r3, #3
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bhi .Larg_r3
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beq .Larg_r2
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cmp r3, #1
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bhi .Larg_r1
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beq .Larg_r0
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b .Largs_done
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.Larg_r3:
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ldr r3, [lr, #12] @ argv[3]
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.Larg_r2:
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ldr r2, [lr, #8] @ argv[2]
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.Larg_r1:
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ldr r1, [lr, #4] @ argv[1]
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.Larg_r0:
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ldr r0, [lr] @ argv[0]
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.Largs_done:
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@ With every other register in use, load the function pointer into lr
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@ and call the function.
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ldr lr, [sp, #28]
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blx lr
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@ r1-r3 are free for use again. The trampoline only supports
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@ single-return functions. Pass r4-r11 to the caller.
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ldr r1, [sp, #32]
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vstmia r1!, {d8,d9,d10,d11,d12,d13,d14,d15}
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#if defined(__APPLE__)
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@ r9 is not volatile on iOS.
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stmia r1!, {r4,r5,r6,r7,r8,r10-r11}
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#else
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stmia r1!, {r4,r5,r6,r7,r8,r9,r10,r11}
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#endif
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@ Unwind the stack and restore registers.
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add sp, sp, #44 @ 44 = 28+16
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ldmia sp!, {r4,r5,r6,r7,r8,r9,r10,r11,lr} @ Skip r0-r3 (see +16 above).
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vldmia sp!, {d8,d9,d10,d11,d12,d13,d14,d15}
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bx lr
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.size abi_test_trampoline,.-abi_test_trampoline
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.type abi_test_clobber_r0, %function
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.globl abi_test_clobber_r0
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.hidden abi_test_clobber_r0
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.align 4
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abi_test_clobber_r0:
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mov r0, #0
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bx lr
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.size abi_test_clobber_r0,.-abi_test_clobber_r0
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.type abi_test_clobber_r1, %function
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.globl abi_test_clobber_r1
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.hidden abi_test_clobber_r1
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.align 4
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abi_test_clobber_r1:
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mov r1, #0
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bx lr
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.size abi_test_clobber_r1,.-abi_test_clobber_r1
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.type abi_test_clobber_r2, %function
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.globl abi_test_clobber_r2
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.hidden abi_test_clobber_r2
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.align 4
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abi_test_clobber_r2:
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mov r2, #0
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bx lr
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.size abi_test_clobber_r2,.-abi_test_clobber_r2
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.type abi_test_clobber_r3, %function
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.globl abi_test_clobber_r3
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.hidden abi_test_clobber_r3
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.align 4
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abi_test_clobber_r3:
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mov r3, #0
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bx lr
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.size abi_test_clobber_r3,.-abi_test_clobber_r3
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.type abi_test_clobber_r4, %function
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.globl abi_test_clobber_r4
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.hidden abi_test_clobber_r4
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.align 4
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abi_test_clobber_r4:
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mov r4, #0
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bx lr
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.size abi_test_clobber_r4,.-abi_test_clobber_r4
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.type abi_test_clobber_r5, %function
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.globl abi_test_clobber_r5
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.hidden abi_test_clobber_r5
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.align 4
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abi_test_clobber_r5:
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mov r5, #0
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bx lr
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.size abi_test_clobber_r5,.-abi_test_clobber_r5
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.type abi_test_clobber_r6, %function
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.globl abi_test_clobber_r6
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.hidden abi_test_clobber_r6
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.align 4
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abi_test_clobber_r6:
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mov r6, #0
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bx lr
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.size abi_test_clobber_r6,.-abi_test_clobber_r6
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.type abi_test_clobber_r7, %function
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.globl abi_test_clobber_r7
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.hidden abi_test_clobber_r7
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.align 4
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abi_test_clobber_r7:
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mov r7, #0
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bx lr
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.size abi_test_clobber_r7,.-abi_test_clobber_r7
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.type abi_test_clobber_r8, %function
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.globl abi_test_clobber_r8
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.hidden abi_test_clobber_r8
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.align 4
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abi_test_clobber_r8:
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mov r8, #0
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bx lr
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.size abi_test_clobber_r8,.-abi_test_clobber_r8
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.type abi_test_clobber_r9, %function
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.globl abi_test_clobber_r9
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.hidden abi_test_clobber_r9
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.align 4
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abi_test_clobber_r9:
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mov r9, #0
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bx lr
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.size abi_test_clobber_r9,.-abi_test_clobber_r9
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.type abi_test_clobber_r10, %function
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.globl abi_test_clobber_r10
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.hidden abi_test_clobber_r10
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.align 4
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abi_test_clobber_r10:
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mov r10, #0
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bx lr
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.size abi_test_clobber_r10,.-abi_test_clobber_r10
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.type abi_test_clobber_r11, %function
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.globl abi_test_clobber_r11
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.hidden abi_test_clobber_r11
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.align 4
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abi_test_clobber_r11:
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mov r11, #0
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bx lr
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.size abi_test_clobber_r11,.-abi_test_clobber_r11
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.type abi_test_clobber_r12, %function
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.globl abi_test_clobber_r12
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.hidden abi_test_clobber_r12
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.align 4
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abi_test_clobber_r12:
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mov r12, #0
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bx lr
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.size abi_test_clobber_r12,.-abi_test_clobber_r12
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.type abi_test_clobber_d0, %function
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.globl abi_test_clobber_d0
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.hidden abi_test_clobber_d0
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.align 4
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abi_test_clobber_d0:
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mov r0, #0
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vmov s0, r0
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vmov s1, r0
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bx lr
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.size abi_test_clobber_d0,.-abi_test_clobber_d0
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.type abi_test_clobber_d1, %function
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.globl abi_test_clobber_d1
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.hidden abi_test_clobber_d1
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.align 4
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abi_test_clobber_d1:
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mov r0, #0
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vmov s2, r0
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vmov s3, r0
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bx lr
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.size abi_test_clobber_d1,.-abi_test_clobber_d1
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.type abi_test_clobber_d2, %function
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.globl abi_test_clobber_d2
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.hidden abi_test_clobber_d2
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.align 4
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abi_test_clobber_d2:
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mov r0, #0
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vmov s4, r0
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vmov s5, r0
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bx lr
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.size abi_test_clobber_d2,.-abi_test_clobber_d2
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.type abi_test_clobber_d3, %function
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.globl abi_test_clobber_d3
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.hidden abi_test_clobber_d3
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.align 4
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abi_test_clobber_d3:
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mov r0, #0
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vmov s6, r0
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vmov s7, r0
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bx lr
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.size abi_test_clobber_d3,.-abi_test_clobber_d3
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.type abi_test_clobber_d4, %function
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.globl abi_test_clobber_d4
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.hidden abi_test_clobber_d4
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.align 4
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abi_test_clobber_d4:
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mov r0, #0
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vmov s8, r0
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vmov s9, r0
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bx lr
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.size abi_test_clobber_d4,.-abi_test_clobber_d4
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.type abi_test_clobber_d5, %function
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.globl abi_test_clobber_d5
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.hidden abi_test_clobber_d5
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.align 4
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abi_test_clobber_d5:
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mov r0, #0
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vmov s10, r0
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vmov s11, r0
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bx lr
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.size abi_test_clobber_d5,.-abi_test_clobber_d5
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.type abi_test_clobber_d6, %function
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.globl abi_test_clobber_d6
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.hidden abi_test_clobber_d6
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.align 4
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abi_test_clobber_d6:
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mov r0, #0
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vmov s12, r0
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vmov s13, r0
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bx lr
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.size abi_test_clobber_d6,.-abi_test_clobber_d6
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.type abi_test_clobber_d7, %function
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.globl abi_test_clobber_d7
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.hidden abi_test_clobber_d7
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.align 4
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abi_test_clobber_d7:
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mov r0, #0
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vmov s14, r0
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vmov s15, r0
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bx lr
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.size abi_test_clobber_d7,.-abi_test_clobber_d7
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.type abi_test_clobber_d8, %function
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.globl abi_test_clobber_d8
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.hidden abi_test_clobber_d8
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.align 4
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abi_test_clobber_d8:
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mov r0, #0
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vmov s16, r0
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vmov s17, r0
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bx lr
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.size abi_test_clobber_d8,.-abi_test_clobber_d8
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.type abi_test_clobber_d9, %function
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.globl abi_test_clobber_d9
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.hidden abi_test_clobber_d9
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.align 4
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abi_test_clobber_d9:
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mov r0, #0
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vmov s18, r0
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vmov s19, r0
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bx lr
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.size abi_test_clobber_d9,.-abi_test_clobber_d9
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.type abi_test_clobber_d10, %function
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.globl abi_test_clobber_d10
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.hidden abi_test_clobber_d10
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.align 4
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abi_test_clobber_d10:
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mov r0, #0
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vmov s20, r0
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vmov s21, r0
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bx lr
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.size abi_test_clobber_d10,.-abi_test_clobber_d10
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.type abi_test_clobber_d11, %function
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.globl abi_test_clobber_d11
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.hidden abi_test_clobber_d11
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.align 4
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abi_test_clobber_d11:
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mov r0, #0
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vmov s22, r0
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vmov s23, r0
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bx lr
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.size abi_test_clobber_d11,.-abi_test_clobber_d11
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.type abi_test_clobber_d12, %function
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.globl abi_test_clobber_d12
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.hidden abi_test_clobber_d12
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.align 4
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abi_test_clobber_d12:
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mov r0, #0
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vmov s24, r0
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vmov s25, r0
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bx lr
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.size abi_test_clobber_d12,.-abi_test_clobber_d12
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.type abi_test_clobber_d13, %function
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.globl abi_test_clobber_d13
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.hidden abi_test_clobber_d13
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.align 4
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abi_test_clobber_d13:
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mov r0, #0
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vmov s26, r0
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vmov s27, r0
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bx lr
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.size abi_test_clobber_d13,.-abi_test_clobber_d13
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.type abi_test_clobber_d14, %function
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.globl abi_test_clobber_d14
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.hidden abi_test_clobber_d14
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.align 4
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abi_test_clobber_d14:
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mov r0, #0
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vmov s28, r0
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vmov s29, r0
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bx lr
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.size abi_test_clobber_d14,.-abi_test_clobber_d14
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.type abi_test_clobber_d15, %function
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.globl abi_test_clobber_d15
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.hidden abi_test_clobber_d15
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.align 4
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abi_test_clobber_d15:
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mov r0, #0
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vmov s30, r0
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vmov s31, r0
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bx lr
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.size abi_test_clobber_d15,.-abi_test_clobber_d15
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#endif
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#endif // !OPENSSL_NO_ASM
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.section .note.GNU-stack,"",%progbits
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