| 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 */ |