llvm-6502/test/MC/COFF/section-name-encoding.s
Nico Rieck c63dce3c59 MC: Support larger COFF string tables
Single-slash encoded entries do not require a terminating null. This bumps
the maximum table size from ~1MB to ~9.5MB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187352 91177308-0d34-0410-b5e6-96231b3b80d8
2013-07-29 12:30:12 +00:00

63 lines
2.7 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)
//
// 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 seperator
// "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