1 // Check that COFF section names are properly encoded. 2 // 3 // Encodings for different lengths: 4 // [0, 8]: raw name 5 // (8, 999999]: base 10 string table index (/9999999) 6 // (999999, 0xFFFFFFFF]: base 64 string table index (//AAAAAA) 7 // 8 // RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -s | FileCheck %s 9 10 // Raw encoding 11 12 // CHECK: Section { 13 // CHECK: Number: 4 14 // CHECK: Name: s (73 00 00 00 00 00 00 00) 15 // CHECK: } 16 // CHECK: Section { 17 // CHECK: Number: 5 18 // CHECK: Name: s1234567 (73 31 32 33 34 35 36 37) 19 // CHECK: } 20 .section s; .long 1 21 .section s1234567; .long 1 22 23 24 // Base 10 encoding 25 26 // /4 27 // CHECK: Section { 28 // CHECK: Number: 6 29 // CHECK: Name: s12345678 (2F 34 00 00 00 00 00 00) 30 // CHECK: } 31 .section s12345678; .long 1 32 33 34 // Generate padding sections to increase the string table size to at least 35 // 1,000,000 bytes. 36 .macro pad_sections2 pad 37 // 10x \pad 38 .section p0\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1 39 .section p1\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1 40 .section p2\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1 41 .section p3\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1 42 .section p4\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1 43 .endm 44 45 .macro pad_sections pad 46 // 20x \pad 47 pad_sections2 \pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad 48 .endm 49 50 // 1000x 'a' 51 pad_sections aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 52 53 54 // /1000029 == 4 + 10 + (5 * (2 + (20 * 10 * 1000) + 1)) 55 // v | | v ~~~~~~~~~~~~~~ v 56 // table size v v "p0" pad NUL separator 57 // "s12345678\0" # of pad sections 58 // 59 // CHECK: Section { 60 // CHECK: Number: 12 61 // CHECK: Name: seven_digit (2F 31 30 30 30 30 32 39) 62 // CHECK: } 63 .section seven_digit; .long 1 64 65 66 // Generate padding sections to increase the string table size to at least 67 // 10,000,000 bytes. 68 .macro pad_sections_ex pad 69 // 9x \pad 70 pad_sections \pad\pad\pad\pad\pad\pad\pad\pad\pad 71 .endm 72 73 // 1000x 'a' 74 pad_sections_ex aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa 75 76 77 // //AAmJa4 == 1000029 + 12 + (5 * (2 + (9 * 20 * 10 * 1000) + 1)) == 38*64^3 + 9*64^2 + 26*64 + 56 78 // v | | v ~~~~~~~~~~~~~~~~~~ v 79 // seven_digit offset v v "p0" pad NUL separator 80 // "seven_digit\0" # of pad sections 81 // 82 // "2F 2F 41 41 6D 4A 61 34" is "//AAmJa4", which decodes to "0 0 38 9 26 56". 83 // 84 // CHECK: Section { 85 // CHECK: Number: 18 86 // CHECK: Name: double_slash (2F 2F 41 41 6D 4A 61 34) 87 // CHECK: } 88 .section double_slash; .long 1 89
