| Nico Rieck | 2c9c89b | 2013-07-29 12:30:12 +0000 | [diff] [blame] | 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' |
| 50 | pad_sections aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa |
| 51 | |
| 52 | |
| 53 | // /1000029 == 4 + 10 + (5 * (2 + (20 * 10 * 1000) + 1)) |
| 54 | // v | | v ~~~~~~~~~~~~~~ v |
| Alp Toker | cb40291 | 2014-01-24 17:20:08 +0000 | [diff] [blame] | 55 | // table size v v "p0" pad NUL separator |
| Nico Rieck | 2c9c89b | 2013-07-29 12:30:12 +0000 | [diff] [blame] | 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 |