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TheRock/compiler/amd-llvm/lld/test/COFF/sectionlayout.test
T
derek.holloway 7502bf64a4
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2026-09-02 16:34:47 -07:00

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RUN: yaml2obj %p/Inputs/sectionlayout.yaml -o %t.obj
## Error on non-exist input layout file
RUN: not lld-link /entry:main /sectionlayout:doesnotexist.txt %t.obj
## Order in 1 -> 3 -> 2
RUN: echo ".text1" > %t.layout.txt
RUN: echo ".text3" >> %t.layout.txt
RUN: echo ".text2" >> %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK1 %s
## While /sectionlayout:abc is valid, /sectionlayout:@abc is also accepted (to align with MS link.exe)
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:@%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK1 %s
## Ensure tokens after section name is ignored (for now, to align with MS link.exe)
RUN: echo ".text1 ALIGN=1" > %t.layout.txt
RUN: echo ".text3" >> %t.layout.txt
RUN: echo ".text2" >> %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:@%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK1 %s
CHECK1: Sections [
CHECK1: Section {
CHECK1: Number: 1
CHECK1: Name: .text1
CHECK1: }
CHECK1: Section {
CHECK1: Number: 2
CHECK1: Name: .text3
CHECK1: }
CHECK1: Section {
CHECK1: Number: 3
CHECK1: Name: .text2
CHECK1: }
CHECK1: ]
## Order in 3 -> 2 -> 1
RUN: echo ".text3" > %t.layout.txt
RUN: echo ".text2" >> %t.layout.txt
RUN: echo ".text1" >> %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK2 %s
CHECK2: Sections [
CHECK2: Section {
CHECK2: Number: 1
CHECK2: Name: .text3
CHECK2: }
CHECK2: Section {
CHECK2: Number: 2
CHECK2: Name: .text2
CHECK2: }
CHECK2: Section {
CHECK2: Number: 3
CHECK2: Name: .text1
CHECK2: }
CHECK2: ]
## Put non-exisist section in layout file has no effect; original order is respected
RUN: echo "notexist" > %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK3 %s
## Empty layout file has no effect
RUN: echo "" > %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK3 %s
## Empty layout file has no effect
RUN: echo " " > %t.layout.txt
RUN: echo " " >> %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK3 %s
CHECK3: Sections [
CHECK3: Section {
CHECK3: Number: 1
CHECK3: Name: .text1
CHECK3: }
CHECK3: Section {
CHECK3: Number: 2
CHECK3: Name: .text2
CHECK3: }
CHECK3: Section {
CHECK3: Number: 3
CHECK3: Name: .text3
CHECK3: }
CHECK3: ]
## Order in 3 -> 1, but 2 remains unspecified
RUN: echo ".text3" > %t.layout.txt
RUN: echo ".text1" >> %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK4 %s
CHECK4: Sections [
CHECK4: Section {
CHECK4: Number: 1
CHECK4: Name: .text3
CHECK4: }
CHECK4: Section {
CHECK4: Number: 2
CHECK4: Name: .text1
CHECK4: }
CHECK4: Section {
CHECK4: Number: 3
CHECK4: Name: .text2
CHECK4: }
CHECK4: ]
## Order in 3 -> 2, but 1 remains unspecified.
## 1 should be the first, as the original order (1 -> 2 -> 3) is respected
RUN: echo ".text3" > %t.layout.txt
RUN: echo ".text2" >> %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK2 %s
## Order in 3 -> 2 -> 1, multiple specification has no effect (the first one is used)
RUN: echo ".text3" > %t.layout.txt
RUN: echo ".text3" >> %t.layout.txt
RUN: echo ".text3" >> %t.layout.txt
RUN: echo ".text2" >> %t.layout.txt
RUN: echo ".text2" >> %t.layout.txt
RUN: echo ".text1" >> %t.layout.txt
RUN: echo ".text3" >> %t.layout.txt
RUN: lld-link /out:%t.exe /entry:main /sectionlayout:%t.layout.txt %t.obj
RUN: llvm-readobj --sections %t.exe | FileCheck -check-prefix=CHECK2 %s