1 #ifndef _ASM_X86_ASM_H 2 #define _ASM_X86_ASM_H 3 4 #ifdef __ASSEMBLY__ 5 # define __ASM_FORM(x) x 6 # define __ASM_FORM_COMMA(x) x, 7 # define __ASM_EX_SEC .section __ex_table, "a" 8 #else 9 # define __ASM_FORM(x) " " #x " " 10 # define __ASM_FORM_COMMA(x) " " #x "," 11 # define __ASM_EX_SEC " .section __ex_table,\"a\"\n" 12 #endif 13 14 #ifdef CONFIG_X86_32 15 # define __ASM_SEL(a,b) __ASM_FORM(a) 16 #else 17 # define __ASM_SEL(a,b) __ASM_FORM(b) 18 #endif 19 20 #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ 21 inst##q##__VA_ARGS__) 22 #define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg) 23 24 #define _ASM_PTR __ASM_SEL(.long, .quad) 25 #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) 26 27 #define _ASM_MOV __ASM_SIZE(mov) 28 #define _ASM_INC __ASM_SIZE(inc) 29 #define _ASM_DEC __ASM_SIZE(dec) 30 #define _ASM_ADD __ASM_SIZE(add) 31 #define _ASM_SUB __ASM_SIZE(sub) 32 #define _ASM_XADD __ASM_SIZE(xadd) 33 34 #define _ASM_AX __ASM_REG(ax) 35 #define _ASM_BX __ASM_REG(bx) 36 #define _ASM_CX __ASM_REG(cx) 37 #define _ASM_DX __ASM_REG(dx) 38 #define _ASM_SP __ASM_REG(sp) 39 #define _ASM_BP __ASM_REG(bp) 40 #define _ASM_SI __ASM_REG(si) 41 #define _ASM_DI __ASM_REG(di) 42 43 /* Exception table entry */ 44 #ifdef __ASSEMBLY__ 45 # define _ASM_EXTABLE(from,to) \ 46 __ASM_EX_SEC ; \ 47 _ASM_ALIGN ; \ 48 _ASM_PTR from , to ; \ 49 .previous 50 #else 51 # define _ASM_EXTABLE(from,to) \ 52 __ASM_EX_SEC \ 53 _ASM_ALIGN "\n" \ 54 _ASM_PTR #from "," #to "\n" \ 55 " .previous\n" 56 #endif 57 58 #endif /* _ASM_X86_ASM_H */ 59