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//
7// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -s | FileCheck %s
8
9// Raw encoding
10
11// CHECK:   Section {
12// CHECK:     Number: 1
13// CHECK:     Name: s (73 00 00 00 00 00 00 00)
14// CHECK:   }
15// CHECK:   Section {
16// CHECK:     Number: 2
17// CHECK:     Name: s1234567 (73 31 32 33 34 35 36 37)
18// CHECK:   }
19.section s;        .long 1
20.section s1234567; .long 1
21
22
23// Base 10 encoding
24
25// /4
26// CHECK:   Section {
27// CHECK:     Number: 3
28// CHECK:     Name: s12345678 (2F 34 00 00 00 00 00 00)
29// CHECK:   }
30.section s12345678; .long 1
31
32
33// Generate padding sections to increase the string table size to at least
34// 1,000,000 bytes.
35.macro pad_sections2 pad
36  // 10x \pad
37  .section p0\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
38  .section p1\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
39  .section p2\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
40  .section p3\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
41  .section p4\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
42.endm
43
44.macro pad_sections pad
45  // 20x \pad
46  pad_sections2 \pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad
47.endm
48
49// 1000x 'a'
50pad_sections aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
51
52
53// /1000029 == 4 + 10 + (5 * (2 + (20 * 10 * 1000) + 1))
54//             v   |     |    v    ~~~~~~~~~~~~~~    v
55//    table size   v     v   "p0"        pad         NUL seperator
56//     "s12345678\0"     # of pad sections
57//
58// CHECK:   Section {
59// CHECK:     Number: 9
60// CHECK:     Name: seven_digit (2F 31 30 30 30 30 32 39)
61// CHECK:   }
62.section seven_digit; .long 1
63