linux/linux-5.18.11/arch/arm64/kernel/reloc_test_syms.S

86 lines
1.5 KiB
ArmAsm

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2017 Linaro, Ltd. <ard.biesheuvel@linaro.org>
*/
#include <linux/linkage.h>
SYM_FUNC_START(absolute_data64)
ldr x0, 0f
ret
0: .quad sym64_abs
SYM_FUNC_END(absolute_data64)
SYM_FUNC_START(absolute_data32)
ldr w0, 0f
ret
0: .long sym32_abs
SYM_FUNC_END(absolute_data32)
SYM_FUNC_START(absolute_data16)
adr x0, 0f
ldrh w0, [x0]
ret
0: .short sym16_abs, 0
SYM_FUNC_END(absolute_data16)
SYM_FUNC_START(signed_movw)
movz x0, #:abs_g2_s:sym64_abs
movk x0, #:abs_g1_nc:sym64_abs
movk x0, #:abs_g0_nc:sym64_abs
ret
SYM_FUNC_END(signed_movw)
SYM_FUNC_START(unsigned_movw)
movz x0, #:abs_g3:sym64_abs
movk x0, #:abs_g2_nc:sym64_abs
movk x0, #:abs_g1_nc:sym64_abs
movk x0, #:abs_g0_nc:sym64_abs
ret
SYM_FUNC_END(unsigned_movw)
.align 12
.space 0xff8
SYM_FUNC_START(relative_adrp)
adrp x0, sym64_rel
add x0, x0, #:lo12:sym64_rel
ret
SYM_FUNC_END(relative_adrp)
.align 12
.space 0xffc
SYM_FUNC_START(relative_adrp_far)
adrp x0, memstart_addr
add x0, x0, #:lo12:memstart_addr
ret
SYM_FUNC_END(relative_adrp_far)
SYM_FUNC_START(relative_adr)
adr x0, sym64_rel
ret
SYM_FUNC_END(relative_adr)
SYM_FUNC_START(relative_data64)
adr x1, 0f
ldr x0, [x1]
add x0, x0, x1
ret
0: .quad sym64_rel - .
SYM_FUNC_END(relative_data64)
SYM_FUNC_START(relative_data32)
adr x1, 0f
ldr w0, [x1]
add x0, x0, x1
ret
0: .long sym64_rel - .
SYM_FUNC_END(relative_data32)
SYM_FUNC_START(relative_data16)
adr x1, 0f
ldrsh w0, [x1]
add x0, x0, x1
ret
0: .short sym64_rel - ., 0
SYM_FUNC_END(relative_data16)