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Differential D103303 Diff 351738 lld/test/ELF/linkerscript/insert-duplicate.test

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lld/test/ELF/linkerscript/insert-duplicate.test

# REQUIRES: x86 # REQUIRES: x86
## Test that we can handle cases where an output section is specified by multiple ## Document the behavior when an output section is specified by multiple
## INSERT commands. Each output section description creates a new instance. ## INSERT commands. It is discouraged in the real world.
## A redundant description matches no input sections and thus is a no-op.
# RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/insert-after.s -o %t.o # RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/insert-after.s -o %t.o
# RUN: ld.lld -T %s %t.o -o %t # RUN: ld.lld -T %s %t.o -o %t
# RUN: llvm-readelf -S -l %t | FileCheck %s # RUN: llvm-readelf -S -l %t | FileCheck %s
# CHECK: Name Type Address Off # CHECK: Name Type Address Off
# CHECK-NEXT: NULL 0000000000000000 000000 # CHECK-NEXT: NULL 0000000000000000 000000
# CHECK-NEXT: .text PROGBITS 00000000002011c8 0001c8 # CHECK-NEXT: .text PROGBITS 0000000000201158 000158
# CHECK-NEXT: .foo.data PROGBITS 00000000002021d0 0001d0 # CHECK-NEXT: .foo.text PROGBITS 0000000000201160 000160
# CHECK-NEXT: .foo.text PROGBITS 00000000002031d8 0001d8 # CHECK-NEXT: .foo.data PROGBITS 0000000000202168 000168
# CHECK: Type # CHECK: Type
# CHECK-NEXT: PHDR {{.*}} R # CHECK-NEXT: PHDR {{.*}} R
# CHECK-NEXT: LOAD {{.*}} R # CHECK-NEXT: LOAD {{.*}} R
# CHECK-NEXT: LOAD {{.*}} R E # CHECK-NEXT: LOAD {{.*}} R E
# CHECK-NEXT: LOAD {{.*}} RW # CHECK-NEXT: LOAD {{.*}} RW
# CHECK-NEXT: LOAD {{.*}} R E
# CHECK-NEXT: LOAD {{.*}} RW
# CHECK-NEXT: GNU_STACK {{.*}} RW # CHECK-NEXT: GNU_STACK {{.*}} RW
## First, move .foo.data after .foo.text ## First, move .foo.data after .foo.text
SECTIONS { .foo.data : { *(.foo.data) } } INSERT AFTER .foo.text; SECTIONS { .foo.data : { *(.foo.data) } } INSERT AFTER .foo.text;
## Next, move .foo.text after .foo.data ## Next, move .foo.text after .foo.data
SECTIONS { .foo.text : { *(.foo.text) } } INSERT AFTER .foo.data; SECTIONS { .foo.text : { *(.foo.text) } } INSERT AFTER .foo.data;
## No-op. The .foo.data output section is a different instance and matches no ## Then, move .foo.data after .foo.text again.
## input sections.
SECTIONS { .foo.data : { *(.foo.data) } } INSERT AFTER .foo.text; SECTIONS { .foo.data : { *(.foo.data) } } INSERT AFTER .foo.text;