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