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5270 | serge | 1 | #ifndef _ASM_X86_ASM_H |
2 | #define _ASM_X86_ASM_H |
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3 | |||
4 | #ifdef __ASSEMBLY__ |
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5 | # define __ASM_FORM(x) x |
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6 | # define __ASM_FORM_RAW(x) x |
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7 | # define __ASM_FORM_COMMA(x) x, |
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8 | #else |
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9 | # define __ASM_FORM(x) " " #x " " |
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10 | # define __ASM_FORM_RAW(x) #x |
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11 | # define __ASM_FORM_COMMA(x) " " #x "," |
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12 | #endif |
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13 | |||
14 | #ifdef CONFIG_X86_32 |
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15 | # define __ASM_SEL(a,b) __ASM_FORM(a) |
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16 | # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(a) |
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17 | #else |
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18 | # define __ASM_SEL(a,b) __ASM_FORM(b) |
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19 | # define __ASM_SEL_RAW(a,b) __ASM_FORM_RAW(b) |
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20 | #endif |
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21 | |||
22 | #define __ASM_SIZE(inst, ...) __ASM_SEL(inst##l##__VA_ARGS__, \ |
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23 | inst##q##__VA_ARGS__) |
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24 | #define __ASM_REG(reg) __ASM_SEL_RAW(e##reg, r##reg) |
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25 | |||
26 | #define _ASM_PTR __ASM_SEL(.long, .quad) |
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27 | #define _ASM_ALIGN __ASM_SEL(.balign 4, .balign 8) |
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28 | |||
29 | #define _ASM_MOV __ASM_SIZE(mov) |
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30 | #define _ASM_INC __ASM_SIZE(inc) |
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31 | #define _ASM_DEC __ASM_SIZE(dec) |
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32 | #define _ASM_ADD __ASM_SIZE(add) |
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33 | #define _ASM_SUB __ASM_SIZE(sub) |
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34 | #define _ASM_XADD __ASM_SIZE(xadd) |
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35 | |||
36 | #define _ASM_AX __ASM_REG(ax) |
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37 | #define _ASM_BX __ASM_REG(bx) |
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38 | #define _ASM_CX __ASM_REG(cx) |
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39 | #define _ASM_DX __ASM_REG(dx) |
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40 | #define _ASM_SP __ASM_REG(sp) |
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41 | #define _ASM_BP __ASM_REG(bp) |
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42 | #define _ASM_SI __ASM_REG(si) |
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43 | #define _ASM_DI __ASM_REG(di) |
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44 | |||
45 | /* Exception table entry */ |
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46 | #ifdef __ASSEMBLY__ |
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47 | # define _ASM_EXTABLE(from,to) \ |
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48 | .pushsection "__ex_table","a" ; \ |
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49 | .balign 8 ; \ |
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50 | .long (from) - . ; \ |
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51 | .long (to) - . ; \ |
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52 | .popsection |
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53 | |||
54 | # define _ASM_EXTABLE_EX(from,to) \ |
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55 | .pushsection "__ex_table","a" ; \ |
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56 | .balign 8 ; \ |
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57 | .long (from) - . ; \ |
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58 | .long (to) - . + 0x7ffffff0 ; \ |
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59 | .popsection |
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60 | |||
61 | # define _ASM_NOKPROBE(entry) \ |
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62 | .pushsection "_kprobe_blacklist","aw" ; \ |
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63 | _ASM_ALIGN ; \ |
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64 | _ASM_PTR (entry); \ |
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65 | .popsection |
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66 | #else |
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67 | # define _ASM_EXTABLE(from,to) \ |
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68 | " .pushsection \"__ex_table\",\"a\"\n" \ |
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69 | " .balign 8\n" \ |
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70 | " .long (" #from ") - .\n" \ |
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71 | " .long (" #to ") - .\n" \ |
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72 | " .popsection\n" |
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73 | |||
74 | # define _ASM_EXTABLE_EX(from,to) \ |
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75 | " .pushsection \"__ex_table\",\"a\"\n" \ |
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76 | " .balign 8\n" \ |
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77 | " .long (" #from ") - .\n" \ |
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78 | " .long (" #to ") - . + 0x7ffffff0\n" \ |
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79 | " .popsection\n" |
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80 | /* For C file, we already have NOKPROBE_SYMBOL macro */ |
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81 | #endif |
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82 | |||
83 | #endif /* _ASM_X86_ASM_H */ |