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