107 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			ArmAsm
		
	
	
	
# REQUIRES: x86-registered-target
 | 
						|
 | 
						|
## It is possible for the section header table and symbol table to share the
 | 
						|
## same string table for storing section and symbol names. This test shows that
 | 
						|
## under various circumstances, the names are still correct after llvm-objcopy
 | 
						|
## has copied such an object file, and that the name table is still shared.
 | 
						|
## This test uses the assembler rather than yaml2obj because yaml2obj generates
 | 
						|
## separate string tables, whereas the assembler shares them.
 | 
						|
 | 
						|
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux %s -o %t.o
 | 
						|
## Sanity check that the string tables are shared:
 | 
						|
# RUN: llvm-readobj --section-headers %t.o \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=VALIDATE --implicit-check-not=.shstrtab
 | 
						|
 | 
						|
# VALIDATE: Name: .strtab
 | 
						|
 | 
						|
## Case 1: basic copy.
 | 
						|
# RUN: llvm-objcopy %t.o %t.basic
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.basic \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=BASIC --implicit-check-not=.shstrtab
 | 
						|
 | 
						|
# BASIC: Sections [
 | 
						|
# BASIC:   Name: .foo (
 | 
						|
# BASIC:   Name: .strtab (
 | 
						|
# BASIC: Symbols [
 | 
						|
# BASIC:   Name: foo (
 | 
						|
 | 
						|
## Case 2: renaming a section.
 | 
						|
# RUN: llvm-objcopy %t.o %t.rename-section --rename-section .foo=.oof
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.rename-section \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=SECTION-RENAME --implicit-check-not=.shstrtab
 | 
						|
 | 
						|
# SECTION-RENAME: Sections [
 | 
						|
# SECTION-RENAME:   Name: .oof (
 | 
						|
# SECTION-RENAME:   Name: .strtab (
 | 
						|
# SECTION-RENAME: Symbols [
 | 
						|
# SECTION-RENAME:   Name: foo (
 | 
						|
 | 
						|
## Case 3: renaming a symbol.
 | 
						|
# RUN: llvm-objcopy %t.o %t.redefine-symbol --redefine-sym foo=oof
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.redefine-symbol \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=SYMBOL-RENAME --implicit-check-not=.shstrtab
 | 
						|
 | 
						|
# SYMBOL-RENAME: Sections [
 | 
						|
# SYMBOL-RENAME:   Name: .foo (
 | 
						|
# SYMBOL-RENAME:   Name: .strtab (
 | 
						|
# SYMBOL-RENAME: Symbols [
 | 
						|
# SYMBOL-RENAME:   Name: oof (
 | 
						|
 | 
						|
## Case 4: removing a section.
 | 
						|
# RUN: llvm-objcopy %t.o %t.remove-section -R .foo
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.remove-section \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=SECTION-REMOVE --implicit-check-not=.shstrtab --implicit-check-not=.foo
 | 
						|
 | 
						|
# SECTION-REMOVE: Sections [
 | 
						|
# SECTION-REMOVE:   Name: .strtab (
 | 
						|
# SECTION-REMOVE: Symbols [
 | 
						|
# SECTION-REMOVE:   Name: foo (
 | 
						|
 | 
						|
## Case 5: removing a symbol.
 | 
						|
# RUN: llvm-objcopy %t.o %t.remove-symbol -N foo
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.remove-symbol \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=SYMBOL-REMOVE --implicit-check-not=.shstrtab --implicit-check-not="Name: foo"
 | 
						|
 | 
						|
# SYMBOL-REMOVE: Sections [
 | 
						|
# SYMBOL-REMOVE:   Name: .foo (
 | 
						|
# SYMBOL-REMOVE:   Name: .strtab (
 | 
						|
# SYMBOL-REMOVE: Symbols [
 | 
						|
 | 
						|
## Case 6: adding a section.
 | 
						|
# RUN: llvm-objcopy %t.o %t.add-section --add-section .bar=%s
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.add-section \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=SECTION-ADD --implicit-check-not=.shstrtab
 | 
						|
 | 
						|
# SECTION-ADD: Sections [
 | 
						|
# SECTION-ADD:   Name: .foo (
 | 
						|
# SECTION-ADD:   Name: .strtab (
 | 
						|
# SECTION-ADD:   Name: .bar (
 | 
						|
# SECTION-ADD: Symbols [
 | 
						|
# SECTION-ADD:   Name: foo (
 | 
						|
 | 
						|
## Case 7: adding a symbol.
 | 
						|
# RUN: llvm-objcopy %t.o %t.add-symbol --add-symbol bar=0x1234
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.add-symbol \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=SYMBOL-ADD --implicit-check-not=.shstrtab
 | 
						|
 | 
						|
# SYMBOL-ADD: Sections [
 | 
						|
# SYMBOL-ADD:   Name: .foo (
 | 
						|
# SYMBOL-ADD:   Name: .strtab (
 | 
						|
# SYMBOL-ADD: Symbols [
 | 
						|
# SYMBOL-ADD:   Name: foo (
 | 
						|
# SYMBOL-ADD:   Name: bar (
 | 
						|
 | 
						|
## Case 8: removing all symbols.
 | 
						|
# RUN: llvm-objcopy %t.o %t.strip-all --strip-all
 | 
						|
# RUN: llvm-readobj --section-headers --symbols %t.strip-all \
 | 
						|
# RUN:   | FileCheck %s --check-prefix=STRIP-ALL --implicit-check-not=.shstrtab
 | 
						|
 | 
						|
# STRIP-ALL:      Sections [
 | 
						|
# STRIP-ALL:        Name: .foo (
 | 
						|
# STRIP-ALL:        Name: .strtab (
 | 
						|
# STRIP-ALL:      Symbols [
 | 
						|
# STRIP-ALL-NEXT: ]
 | 
						|
 | 
						|
.section .foo,"a",@progbits
 | 
						|
foo = 0x4321
 |