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 #else 8 # define __ASM_FORM(x) " " #x " " 9 # define __ASM_FORM_COMMA(x) " " #x "," 10 #endif 11 12 #ifdef CONFIG_X86_32 13 # define __ASM_SEL(a,b) __ASM_FORM(a) 14 #else 15 # define __ASM_SEL(a,b) __ASM_FORM(b) 16 #endif 17 18 #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ 19 inst##q##__VA_ARGS__) 20 #define __ASM_REG(reg) __ASM_SEL(e##reg, r##reg) 21 22 #define _ASM_PTR __ASM_SEL(.long, .quad) 23 #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) 24 25 #define _ASM_MOV __ASM_SIZE(mov) 26 #define _ASM_INC __ASM_SIZE(inc) 27 #define _ASM_DEC __ASM_SIZE(dec) 28 #define _ASM_ADD __ASM_SIZE(add) 29 #define _ASM_SUB __ASM_SIZE(sub) 30 #define _ASM_XADD __ASM_SIZE(xadd) 31 32 #define _ASM_AX __ASM_REG(ax) 33 #define _ASM_BX __ASM_REG(bx) 34 #define _ASM_CX __ASM_REG(cx) 35 #define _ASM_DX __ASM_REG(dx) 36 #define _ASM_SP __ASM_REG(sp) 37 #define _ASM_BP __ASM_REG(bp) 38 #define _ASM_SI __ASM_REG(si) 39 #define _ASM_DI __ASM_REG(di) 40 41 /* Exception table entry */ 42 #ifdef __ASSEMBLY__ 43 # define _ASM_EXTABLE(from,to) \ 44 .pushsection "__ex_table","a" ; \ 45 .balign 8 ; \ 46 .long (from) - . ; \ 47 .long (to) - . ; \ 48 .popsection 49 50 # define _ASM_EXTABLE_EX(from,to) \ 51 .pushsection "__ex_table","a" ; \ 52 .balign 8 ; \ 53 .long (from) - . ; \ 54 .long (to) - . + 0x7ffffff0 ; \ 55 .popsection 56 #else 57 # define _ASM_EXTABLE(from,to) \ 58 " .pushsection \"__ex_table\",\"a\"\n" \ 59 " .balign 8\n" \ 60 " .long (" #from ") - .\n" \ 61 " .long (" #to ") - .\n" \ 62 " .popsection\n" 63 64 # define _ASM_EXTABLE_EX(from,to) \ 65 " .pushsection \"__ex_table\",\"a\"\n" \ 66 " .balign 8\n" \ 67 " .long (" #from ") - .\n" \ 68 " .long (" #to ") - . + 0x7ffffff0\n" \ 69 " .popsection\n" 70 #endif 71 72 #endif /* _ASM_X86_ASM_H */ 73