https://bugs.llvm.org/show_bug.cgi?id=38750
Bug ID: 38750
Summary: [Linker script] reference to a dead section
Product: lld
Version: unspecified
Hardware: All
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: ELF
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Can lld support the case below?
The expected LMA of .text is 0x80000, but lld generates zero.
LLD discards empty SectionCommands in adjustSectionsBeforeSorting; thus those
empty OutputSection are not assigned address in assignAddress.
This feature is supported by bfd linker.
3 # RUN: llvm-mc -filetype=obj -triple=riscv64- %s -o %t.o
4 # RUN: echo "SECTIONS { \
5 # RUN: . = 0x00080000; \
6 # RUN: .init : { KEEP(*(.init )) } \
7 # RUN:.text : AT(ALIGN(LOADADDR (.init) + SIZEOF (.init),
ALIGNOF(.init))) { *(.text .text.* ) }\
8 # RUN: }" > %t.script
9 # RUN: ld.lld -o %t -T %t.script %t.o
10 # RUN: llvm-readelf -program-headers %t | FileCheck %s
11 .text
12 .global _start
13 _start:
14 nop
15 nop
16 #CHECK: Program Headers:
17 #CHECK: Type Offset VirtAddr PhysAddr
FileSiz MemSiz Flg Align
18 #CHECK-NEXT: LOAD 0x{{[0-9a-fA-F]+}} 0x0000000000080000
0x0000000000080000 0x000008 0x000008 R E 0x10
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