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llvm-project/lld/test/ELF/i386-pc8-pc16-addend.s

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[ELF] - Use SignExtend when reading R_386_PC8, R_386_PC16 addends. Previously we did not do that. For example, for R_386_PC8, 0xFF addend was not treated as 0xFFFFFFFF(-1), but was 0x000000FF. Recently added checks for R_386_PC8/R_386_PC16 failed because of calculation overflow as a result. Differential revision: https://reviews.llvm.org/D29490 llvm-svn: 294289
2017-02-07 17:58:27 +08:00
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=i386-pc-linux-gnu %s -o %t1.o
# RUN: ld.lld %t1.o -o %t.out
# RUN: llvm-objdump -s -t %t.out | FileCheck %s
# CHECK: Contents of section .text:
Remove trailing whitespace. llvm-svn: 320520
2017-12-13 04:00:30 +08:00
# CHECK-NEXT: 11000 020000
[ELF] - Use SignExtend when reading R_386_PC8, R_386_PC16 addends. Previously we did not do that. For example, for R_386_PC8, 0xFF addend was not treated as 0xFFFFFFFF(-1), but was 0x000000FF. Recently added checks for R_386_PC8/R_386_PC16 failed because of calculation overflow as a result. Differential revision: https://reviews.llvm.org/D29490 llvm-svn: 294289
2017-02-07 17:58:27 +08:00
## 0x11003 - 0x11000 + addend(-1) = 0x02
## 0x11003 - 0x11001 + addend(-2) = 0x0000
# CHECK: SYMBOL TABLE:
# CHECK: 00011003 .und
.byte und-.-1
.short und-.-2
.section .und, "ax"
und: