https://bugs.llvm.org/show_bug.cgi?id=36203
Bug ID: 36203
Summary: lld may create duplicate .build-id's
Product: lld
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: normal
Priority: P
Component: ELF
Assignee: unassignedb...@nondot.org
Reporter: r...@google.com
CC: llvm-bugs@lists.llvm.org
If a build-id is included in an input object file, lld may adds a new one, and
as a result, the output contains more than one .build-id. Most tools don't
expect such executables and don't work well.
This is a test case to create an executable with two .build-id's.
We probably should strip .build-id sections from input files if --build-id is
specified.
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t1.o
# RUN: ld.lld --build-id=0xcafebabe -o %t2.o %t1.o
# RUN: ld.lld --build-id=0xdeadbeef -o %t.exe %t2.o
# RUN: llvm-objdump -s %t.exe | FileCheck %s
# CHECK-NOT: cafebabe
.global _start
_start:
ret
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