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b9e92f17ed
This relands D64327 with a more specific workaround for R_386_GOTOFF (gold<2.34 bug https://sourceware.org/bugzilla/show_bug.cgi?id=16794) .debug_info has quite a few .debug_str relocations (R_386_32/R_ARM_ABS32). The original workaround was too general and introduced too many .L symbols used just as relocation targets. From the original review: ... it reduced the size of a big ARM-32 debug image by 33%. It contained ~68M of relocations symbols out of total ~71M symbols (96% of symbols table was generated for relocations with symbol).
69 lines
1.4 KiB
ArmAsm
69 lines
1.4 KiB
ArmAsm
// RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu %s -o - | llvm-readobj -h -S -r --symbols - | FileCheck %s
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.text
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.globl main
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.align 16, 0x90
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.type main,@function
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main: # @main
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# %bb.0:
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subl $4, %esp
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movl $.L.str1, (%esp)
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calll puts
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movl $.L.str2, (%esp)
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calll puts
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xorl %eax, %eax
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addl $4, %esp
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ret
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.Ltmp0:
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.size main, .Ltmp0-main
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.type .L.str1,@object # @.str1
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.section .rodata.str1.1,"aMS",@progbits,1
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.L.str1:
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.asciz "Hello"
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.size .L.str1, 6
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.type .L.str2,@object # @.str2
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.L.str2:
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.asciz "World!"
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.size .L.str2, 7
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.section .note.GNU-stack,"",@progbits
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// CHECK: ElfHeader {
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// CHECK: Class: 32-bit
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// CHECK: DataEncoding: LittleEndian
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// CHECK: FileVersion: 1
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// CHECK: }
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// CHECK: Sections [
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// CHECK: Section {
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// CHECK: Index: 0
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// CHECK: Name: (0)
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// CHECK: Name: .text
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// CHECK: Name: .rel.text
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// CHECK: Relocations [
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// CHECK: Section {{.*}} .rel.text {
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// CHECK: 0x6 R_386_32 .rodata.str1.1
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// CHECK: 0xB R_386_PC32 puts
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// CHECK: 0x12 R_386_32 .rodata.str1.1
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// CHECK: 0x17 R_386_PC32 puts
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// CHECK: }
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// CHECK: ]
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// CHECK: Symbols [
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// CHECK: Symbol {
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// CHECK: Name: main
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// CHECK: Binding: Global
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// CHECK: Type: Function
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// CHECK: }
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// CHECK: Symbol {
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// CHECK: Name: puts
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// CHECK: Binding: Global
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// CHECK: Type: None
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// CHECK: }
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