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[ELF][test] Improve relocations referencing STT_SECTION tests for -r
Also add a --compress-debug-sections=zlib test to demonstrate issue #66738
This commit is contained in:
Fangrui Song
parent
33df617dfd
commit
345f532f3f
@ -1,12 +0,0 @@
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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=i386-pc-linux-gnu %s -o %t.o
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# RUN: ld.lld -r %t.o %t.o -o %t1.o
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# RUN: llvm-objdump -s --section=.bar %t1.o | FileCheck %s
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.section .foo
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.byte 0
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# CHECK: Contents of section .bar:
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# CHECK-NEXT: 0000 00000000 01000000
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.section .bar
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.dc.a .foo
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@ -1,50 +1,77 @@
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# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
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# REQUIRES: x86, zlib
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# RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
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# RUN: ld.lld -r -o %t %t.o %t.o
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# RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELA %s
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# RUN: llvm-readelf -r -x .data -x .bar -x .debug_line %t | FileCheck --check-prefix=RELA %s
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# RELA: Relocations [
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# RELA-NEXT: Section ({{.*}}) .rela.data {
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# RELA-NEXT: 0x0 R_X86_64_32 .text 0x1
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# RELA-NEXT: 0x4 R_X86_64_32 .text 0x5
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# RELA-NEXT: }
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# RELA-NEXT: ]
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# RELA: Offset Info Type Symbol's Value Symbol's Name + Addend
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# RELA-NEXT: 0000000000000000 {{.*}} R_X86_64_32 0000000000000000 .text + 1
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# RELA-NEXT: 0000000000000004 {{.*}} R_X86_64_32 0000000000000000 .text + 5
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# RELA-EMPTY:
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# RELA: Offset Info Type Symbol's Value Symbol's Name + Addend
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# RELA-NEXT: 0000000000000000 {{.*}} R_X86_64_64 0000000000000000 .foo + 1
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# RELA-NEXT: 0000000000000008 {{.*}} R_X86_64_32 0000000000000000 .text + 0
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# RELA-NEXT: 000000000000000c {{.*}} R_X86_64_64 0000000000000000 .foo + 2
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# RELA-NEXT: 0000000000000014 {{.*}} R_X86_64_32 0000000000000000 .text + 4
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# RELA-EMPTY:
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# RELA: Offset Info Type Symbol's Value Symbol's Name + Addend
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# RELA-NEXT: 0000000000000000 {{.*}} R_X86_64_64 0000000000000000 .foo + 1
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# RELA-NEXT: 0000000000000008 {{.*}} R_X86_64_32 0000000000000000 .text + 0
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# RELA-NEXT: 000000000000000c {{.*}} R_X86_64_64 0000000000000000 .foo + 2
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# RELA-NEXT: 0000000000000014 {{.*}} R_X86_64_32 0000000000000000 .text + 4
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# RELA: Hex dump of section '.data':
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# RELA-NEXT: 0x00000000 00000000 00000000 ........
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# RELA: Hex dump of section '.bar':
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# RELA-NEXT: 0x00000000 00000000 00000000 00000000 00000000 ................
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# RELA-NEXT: 0x00000010 00000000 00000000 ........
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# RELA: Hex dump of section '.debug_line':
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# RELA-NEXT: 0x00000000 00000000 00000000 00000000 00000000 ................
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# RELA-NEXT: 0x00000010 00000000 00000000 ........
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# RUN: llvm-mc -filetype=obj -triple=i686-pc-linux %s -o %t.o
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# RUN: ld.lld -r -o %t %t.o %t.o
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# RUN: llvm-readobj -r -S --section-data %t | FileCheck --check-prefix=REL %s
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# RUN: llvm-mc -filetype=obj -triple=i686 %s -o %t1.o
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# RUN: ld.lld -r -o %t1 %t1.o %t1.o
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# RUN: llvm-readelf -r -x .data -x .bar -x .debug_line %t1 | FileCheck %s --check-prefixes=REL,REL0
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# RUN: ld.lld -r --compress-debug-sections=zlib -o %t1.zlib %t1.o %t1.o
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# RUN: llvm-objcopy --decompress-debug-sections %t1.zlib %t1.zlib.de
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# RUN: llvm-readelf -r -x .data -x .bar -x .debug_line %t1.zlib.de | FileCheck %s --check-prefixes=REL,REL1
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# REL: Offset Info Type Sym. Value Symbol's Name
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# REL-NEXT: 00000000 {{.*}} R_386_32 00000000 .text
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# REL-NEXT: 00000004 {{.*}} R_386_32 00000000 .text
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# REL-EMPTY:
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# REL: Offset Info Type Sym. Value Symbol's Name
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# REL-NEXT: 00000000 {{.*}} R_386_32 00000000 .foo
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# REL-NEXT: 00000004 {{.*}} R_386_32 00000000 .text
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# REL-NEXT: 00000008 {{.*}} R_386_32 00000000 .foo
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# REL-NEXT: 0000000c {{.*}} R_386_32 00000000 .text
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# REL-EMPTY:
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# REL: Offset Info Type Sym. Value Symbol's Name
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# REL-NEXT: 00000000 {{.*}} R_386_32 00000000 .foo
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# REL-NEXT: 00000004 {{.*}} R_386_32 00000000 .text
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# REL-NEXT: 00000008 {{.*}} R_386_32 00000000 .foo
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# REL-NEXT: 0000000c {{.*}} R_386_32 00000000 .text
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# REL: Section {
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# REL: Index:
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# REL: Name: .data
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# REL-NEXT: Type: SHT_PROGBITS
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# REL-NEXT: Flags [
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# REL-NEXT: SHF_ALLOC
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# REL-NEXT: SHF_WRITE
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# REL-NEXT: ]
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# REL-NEXT: Address:
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# REL-NEXT: Offset:
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# REL-NEXT: Size:
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# REL-NEXT: Link:
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# REL-NEXT: Info:
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# REL-NEXT: AddressAlignment:
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# REL-NEXT: EntrySize:
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# REL-NEXT: SectionData (
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# REL-NEXT: 0000: 01000000 05000000 |
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# REL-NEXT: )
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# REL-NEXT: }
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# REL: Relocations [
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# REL-NEXT: Section ({{.*}}) .rel.data {
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# REL-NEXT: 0x0 R_386_32 .text
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# REL-NEXT: 0x4 R_386_32 .text
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# REL-NEXT: }
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# REL-NEXT: ]
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# REL: Hex dump of section '.data':
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# REL-NEXT: 0x00000000 01000000 05000000 ........
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# REL: Hex dump of section '.bar':
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# REL-NEXT: 0x00000000 01000000 00000000 02000000 04000000 ................
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# REL0: Hex dump of section '.debug_line':
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# REL0-NEXT: 0x00000000 01000000 00000000 02000000 04000000 ................
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## FIXME: https://github.com/llvm/llvm-project/issues/66738 The implicit addends for the second input section are wrong.
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# REL1: Hex dump of section '.debug_line':
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# REL1-NEXT: 0x00000000 01000000 00000000 01000000 00000000 ................
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.long 42
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.data
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.long .text + 1
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.section .foo
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.byte 0
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.section .bar
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.dc.a .foo + 1
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.dc.l .text
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.section .debug_line
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.dc.a .foo + 1
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.dc.l .text
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