llvm-6502/test/MC/COFF/section-name-encoding.s
Alp Toker bf930d5c1f Fix typos
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202107 91177308-0d34-0410-b5e6-96231b3b80d8
2014-02-25 04:21:15 +00:00

89 lines
4.5 KiB
ArmAsm

// Check that COFF section names are properly encoded.
//
// Encodings for different lengths:
// [0, 8]: raw name
// (8, 999999]: base 10 string table index (/9999999)
// (999999, 0xFFFFFFFF]: base 64 string table index (//AAAAAA)
//
// RUN: llvm-mc -triple x86_64-pc-win32 -filetype=obj %s | llvm-readobj -s | FileCheck %s
// Raw encoding
// CHECK: Section {
// CHECK: Number: 1
// CHECK: Name: s (73 00 00 00 00 00 00 00)
// CHECK: }
// CHECK: Section {
// CHECK: Number: 2
// CHECK: Name: s1234567 (73 31 32 33 34 35 36 37)
// CHECK: }
.section s; .long 1
.section s1234567; .long 1
// Base 10 encoding
// /4
// CHECK: Section {
// CHECK: Number: 3
// CHECK: Name: s12345678 (2F 34 00 00 00 00 00 00)
// CHECK: }
.section s12345678; .long 1
// Generate padding sections to increase the string table size to at least
// 1,000,000 bytes.
.macro pad_sections2 pad
// 10x \pad
.section p0\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
.section p1\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
.section p2\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
.section p3\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
.section p4\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad; .long 1
.endm
.macro pad_sections pad
// 20x \pad
pad_sections2 \pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad\pad
.endm
// 1000x 'a'
pad_sections aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
// /1000029 == 4 + 10 + (5 * (2 + (20 * 10 * 1000) + 1))
// v | | v ~~~~~~~~~~~~~~ v
// table size v v "p0" pad NUL separator
// "s12345678\0" # of pad sections
//
// CHECK: Section {
// CHECK: Number: 9
// CHECK: Name: seven_digit (2F 31 30 30 30 30 32 39)
// CHECK: }
.section seven_digit; .long 1
// Generate padding sections to increase the string table size to at least
// 10,000,000 bytes.
.macro pad_sections_ex pad
// 9x \pad
pad_sections \pad\pad\pad\pad\pad\pad\pad\pad\pad
.endm
// 1000x 'a'
pad_sections_ex aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
// //AAmJa4 == 1000029 + 12 + (5 * (2 + (9 * 20 * 10 * 1000) + 1)) == 38*64^3 + 9*64^2 + 26*64 + 56
// v | | v ~~~~~~~~~~~~~~~~~~ v
// seven_digit offset v v "p0" pad NUL separator
// "seven_digit\0" # of pad sections
//
// "2F 2F 41 41 6D 4A 61 34" is "//AAmJa4", which decodes to "0 0 38 9 26 56".
//
// CHECK: Section {
// CHECK: Number: 15
// CHECK: Name: double_slash (2F 2F 41 41 6D 4A 61 34)
// CHECK: }
.section double_slash; .long 1