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_RAW(x) x 7 # define __ASM_FORM_COMMA(x) x, 8 #else 9 # define __ASM_FORM(x) " " #x " " 10 # define __ASM_FORM_RAW(x) #x 11 # define __ASM_FORM_COMMA(x) " " #x "," 12 #endif 13 14 #ifdef CONFIG_X86_32 15 # define __ASM_SEL(a,b) __ASM_FORM(a) 16 # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a) 17 #else 18 # define __ASM_SEL(a,b) __ASM_FORM(b) 19 # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b) 20 #endif 21 22 #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ 23 inst##q##__VA_ARGS__) 24 #define __ASM_REG(reg) __ASM_SEL_RAW(e##reg, r##reg) 25 26 #define _ASM_PTR __ASM_SEL(.long, .quad) 27 #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) 28 29 #define _ASM_MOV __ASM_SIZE(mov) 30 #define _ASM_INC __ASM_SIZE(inc) 31 #define _ASM_DEC __ASM_SIZE(dec) 32 #define _ASM_ADD __ASM_SIZE(add) 33 #define _ASM_SUB __ASM_SIZE(sub) 34 #define _ASM_XADD __ASM_SIZE(xadd) 35 36 #define _ASM_AX __ASM_REG(ax) 37 #define _ASM_BX __ASM_REG(bx) 38 #define _ASM_CX __ASM_REG(cx) 39 #define _ASM_DX __ASM_REG(dx) 40 #define _ASM_SP __ASM_REG(sp) 41 #define _ASM_BP __ASM_REG(bp) 42 #define _ASM_SI __ASM_REG(si) 43 #define _ASM_DI __ASM_REG(di) 44 45 /* Exception table entry */ 46 #ifdef __ASSEMBLY__ 47 # define _ASM_EXTABLE(from,to) \ 48 .pushsection "__ex_table","a" ; \ 49 .balign 8 ; \ 50 .long (from) - . ; \ 51 .long (to) - . ; \ 52 .popsection 53 54 # define _ASM_EXTABLE_EX(from,to) \ 55 .pushsection "__ex_table","a" ; \ 56 .balign 8 ; \ 57 .long (from) - . ; \ 58 .long (to) - . + 0x7ffffff0 ; \ 59 .popsection 60 61 # define _ASM_NOKPROBE(entry) \ 62 .pushsection "_kprobe_blacklist","aw" ; \ 63 _ASM_ALIGN ; \ 64 _ASM_PTR (entry); \ 65 .popsection 66 #else 67 # define _ASM_EXTABLE(from,to) \ 68 " .pushsection \"__ex_table\",\"a\"\n" \ 69 " .balign 8\n" \ 70 " .long (" #from ") - .\n" \ 71 " .long (" #to ") - .\n" \ 72 " .popsection\n" 73 74 # define _ASM_EXTABLE_EX(from,to) \ 75 " .pushsection \"__ex_table\",\"a\"\n" \ 76 " .balign 8\n" \ 77 " .long (" #from ") - .\n" \ 78 " .long (" #to ") - . + 0x7ffffff0\n" \ 79 " .popsection\n" 80 /* For C file, we already have NOKPROBE_SYMBOL macro */ 81 #endif 82 83 #endif /* _ASM_X86_ASM_H */ 84