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'
51pad_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'
74pad_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