84 lines
2.6 KiB
Plaintext
84 lines
2.6 KiB
Plaintext
|
## This test shows that when symbol/section names are optimized in the string
|
||
|
|
## table to share the same entry, due to tail merging, llvm-objcopy operations
|
||
|
|
## function correctly without corrupting the names of unchanged sections/symbols.
|
||
|
|
|
||
|
|
# RUN: yaml2obj %s -o %t.o
|
||
|
|
## Sanity check that the strings have been pooled.
|
||
|
|
# RUN: llvm-readobj %t.o --string-dump .strtab --string-dump .shstrtab \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=VALIDATE --implicit-check-not='] bar' --implicit-check-not=.blag
|
||
|
|
|
||
|
|
# VALIDATE: String dump of section '.strtab':
|
||
|
|
# VALIDATE-NEXT: [ 1] bazfoobar
|
||
|
|
# VALIDATE-EMPTY:
|
||
|
|
# VALIDATE-NEXT: String dump of section '.shstrtab':
|
||
|
|
# VALIDATE-NEXT: [ 1] .blam.blah.blag
|
||
|
|
|
||
|
|
## Case 1: Basic copy.
|
||
|
|
# RUN: llvm-objcopy %t.o %t.copy
|
||
|
|
# RUN: llvm-readobj --section-headers --symbols %t.copy | FileCheck %s --check-prefix=COPY
|
||
|
|
|
||
|
|
# COPY: Sections [
|
||
|
|
# COPY: Name: .blam.blah.blag (
|
||
|
|
# COPY: Name: .blah.blag (
|
||
|
|
# COPY: Name: .blag (
|
||
|
|
# COPY: Symbols [
|
||
|
|
# COPY: Name: bar (
|
||
|
|
# COPY: Name: foobar (
|
||
|
|
# COPY: Name: bazfoobar (
|
||
|
|
|
||
|
|
## Case 2: Rename section.
|
||
|
|
# RUN: llvm-objcopy %t.o %t.rename-section --rename-section .blah.blag=.blob.blab
|
||
|
|
# RUN: llvm-readobj --section-headers %t.rename-section \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=RENAME-SECTION
|
||
|
|
|
||
|
|
# RENAME-SECTION: Sections [
|
||
|
|
# RENAME-SECTION: Name: .blam.blah.blag (
|
||
|
|
# RENAME-SECTION: Name: .blob.blab (
|
||
|
|
# RENAME-SECTION: Name: .blag (
|
||
|
|
|
||
|
|
## Case 3: Rename symbol.
|
||
|
|
# RUN: llvm-objcopy %t.o %t.rename-symbol --redefine-sym foobar=raboof
|
||
|
|
# RUN: llvm-readobj --symbols %t.rename-symbol \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=RENAME-SYMBOL
|
||
|
|
|
||
|
|
# RENAME-SYMBOL: Symbols [
|
||
|
|
# RENAME-SYMBOL: Name: bar (
|
||
|
|
# RENAME-SYMBOL: Name: raboof (
|
||
|
|
# RENAME-SYMBOL: Name: bazfoobar (
|
||
|
|
|
||
|
|
## Case 4: Remove section.
|
||
|
|
# RUN: llvm-objcopy %t.o %t.remove-section -R .blah.blag
|
||
|
|
# RUN: llvm-readobj --section-headers %t.remove-section \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=REMOVE-SECTION --implicit-check-not .blah.blag
|
||
|
|
|
||
|
|
# REMOVE-SECTION: Sections [
|
||
|
|
# REMOVE-SECTION: Name: .blam.blah.blag (
|
||
|
|
# REMOVE-SECTION: Name: .blag (
|
||
|
|
|
||
|
|
## Case 5: Remove symbol.
|
||
|
|
# RUN: llvm-objcopy %t.o %t.remove-symbol -N foobar
|
||
|
|
# RUN: llvm-readobj --symbols %t.remove-symbol \
|
||
|
|
# RUN: | FileCheck %s --check-prefix=REMOVE-SYMBOL --implicit-check-not='Name: foobar'
|
||
|
|
|
||
|
|
# REMOVE-SYMBOL: Symbols [
|
||
|
|
# REMOVE-SYMBOL: Name: bar (
|
||
|
|
# REMOVE-SYMBOL: Name: bazfoobar (
|
||
|
|
|
||
|
|
--- !ELF
|
||
|
|
FileHeader:
|
||
|
|
Class: ELFCLASS64
|
||
|
|
Data: ELFDATA2LSB
|
||
|
|
Type: ET_EXEC
|
||
|
|
Machine: EM_X86_64
|
||
|
|
Sections:
|
||
|
|
- Name: .blam.blah.blag
|
||
|
|
Type: SHT_PROGBITS
|
||
|
|
- Name: .blah.blag
|
||
|
|
Type: SHT_PROGBITS
|
||
|
|
- Name: .blag
|
||
|
|
Type: SHT_PROGBITS
|
||
|
|
Symbols:
|
||
|
|
- Name: bar
|
||
|
|
- Name: foobar
|
||
|
|
- Name: bazfoobar
|