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llvm-project/llvm/test/MC/X86/reloc-directive-elf-32.s

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[X86] Support .reloc *, R_{386,X86_64}_NONE, * This can be used to create references among sections. When --gc-sections is used, the referenced section will be retained if the origin section is retained. See R_MIPS_NONE (D13659), R_ARM_NONE (D61992), R_AARCH64_NONE (D61973) for similar changes. Reviewed By: rnk Differential Revision: https://reviews.llvm.org/D62014 llvm-svn: 360983
2019-05-17 11:25:39 +08:00
# RUN: llvm-mc -triple=i386-pc-linux-musl %s | FileCheck --check-prefix=PRINT %s
# RUN: llvm-mc -filetype=obj -triple=i386-pc-linux-musl %s -o %t
# RUN: llvm-readobj -r %t | FileCheck %s
# RUN: llvm-readelf -x .data %t | FileCheck --check-prefix=HEX %s
# PRINT: .reloc 2, R_386_NONE, .data
# PRINT-NEXT: .reloc 1, R_386_NONE, foo+4
# PRINT-NEXT: .reloc 0, R_386_NONE, 8
# X86 relocations use the Elf32_Rel format. Addends are neither stored in the
# relocation entries nor applied in the referenced locations.
# CHECK: 0x2 R_386_NONE .data 0x0
# CHECK-NEXT: 0x1 R_386_NONE foo 0x0
# CHECK-NEXT: 0x0 R_386_NONE - 0x0
# HEX: 0x00000000 00000000 00000000
.text
ret
nop
nop
.reloc 2, R_386_NONE, .data
.reloc 1, R_386_NONE, foo+4
.reloc 0, R_386_NONE, 8
.data
.globl foo
foo:
.long 0
.long 0