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Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/kernel/reloc_test_syms.S | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/arch/arm64/kernel/reloc_test_syms.S b/arch/arm64/kernel/reloc_test_syms.S new file mode 100644 index 000000000..c50f45fa2 --- /dev/null +++ b/arch/arm64/kernel/reloc_test_syms.S @@ -0,0 +1,85 @@ +/* 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) |