https://bugs.llvm.org/show_bug.cgi?id=32031
Bug ID: 32031
Summary: [ELF] - DefinedSynthetic symbols has incorrect values.
Product: lld
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: ELF
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Testcase below shows the issue. Symbols barsym and barsym1 should be equal.
Currently them are not. That happens because we calculate barsym1 value too
early, when OutSecOff is not yet set. So it end up with wrong VA.
One of ideas how to fix that was in https://reviews.llvm.org/D29391, but
another solution was landed, I wonder if there is another simple way.
# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
# RUN: echo "SECTIONS { barsym1 = barsym; .bar : { *(.bar*) } }" > %t.script
# RUN: ld.lld %t --script %t.script -o %t1
# RUN: llvm-readobj -symbols %t1 | FileCheck %s
# CHECK: Symbol {
# CHECK: Name: barsym
# CHECK-NEXT: Value: 0x[[VAL:.*]]
# CHECK: Name: barsym1
# CHECK-NEXT: Value: 0x[[VAL]]
.section .bar.1, "a"
.quad 0
.section .bar.2, "a"
.quad 0
.global barsym
barsym:
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