1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_POWERPC_STATIC_CALL_H
3 #define _ASM_POWERPC_STATIC_CALL_H
5 #define __PPC_SCT(name, inst) \
6 asm(".pushsection .text, \"ax\" \n" \
8 ".globl " STATIC_CALL_TRAMP_STR(name) " \n" \
9 STATIC_CALL_TRAMP_STR(name) ": \n" \
12 " lwz 12,2f@l(12) \n" \
18 ".type " STATIC_CALL_TRAMP_STR(name) ", @function \n" \
19 ".size " STATIC_CALL_TRAMP_STR(name) ", . - " STATIC_CALL_TRAMP_STR(name) " \n" \
22 #define PPC_SCT_RET0 20 /* Offset of label 1 */
23 #define PPC_SCT_DATA 28 /* Offset of label 2 */
25 #define ARCH_DEFINE_STATIC_CALL_TRAMP(name, func) __PPC_SCT(name, "b " #func)
26 #define ARCH_DEFINE_STATIC_CALL_NULL_TRAMP(name) __PPC_SCT(name, "blr")
27 #define ARCH_DEFINE_STATIC_CALL_RET0_TRAMP(name) __PPC_SCT(name, "b .+20")
29 #endif /* _ASM_POWERPC_STATIC_CALL_H */