1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 2
3 /* Various wrappers to make the kernel .S file 3 /* Various wrappers to make the kernel .S file build in user-space: */
4 4
5 // memcpy_orig is being defined as SYM_L_LOCAL 5 // memcpy_orig is being defined as SYM_L_LOCAL but we need it
6 #define SYM_FUNC_START_LOCAL(name) 6 #define SYM_FUNC_START_LOCAL(name) \
7 SYM_START(name, SYM_L_GLOBAL, SYM_A_AL 7 SYM_START(name, SYM_L_GLOBAL, SYM_A_ALIGN)
8 #define memcpy MEMCPY /* don't hide glibc's me 8 #define memcpy MEMCPY /* don't hide glibc's memcpy() */
9 #define altinstr_replacement text 9 #define altinstr_replacement text
10 #define globl p2align 4; .globl 10 #define globl p2align 4; .globl
11 #define _ASM_EXTABLE_FAULT(x, y) 11 #define _ASM_EXTABLE_FAULT(x, y)
12 #define _ASM_EXTABLE(x, y) 12 #define _ASM_EXTABLE(x, y)
13 13
14 #include "../../arch/x86/lib/memcpy_64.S" 14 #include "../../arch/x86/lib/memcpy_64.S"
15 /* 15 /*
16 * We need to provide note.GNU-stack section, 16 * We need to provide note.GNU-stack section, saying that we want
17 * NOT executable stack. Otherwise the final l 17 * NOT executable stack. Otherwise the final linking will assume that
18 * the ELF stack should not be restricted at a 18 * the ELF stack should not be restricted at all and set it RWX.
19 */ 19 */
20 .section .note.GNU-stack,"",@progbits 20 .section .note.GNU-stack,"",@progbits
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