Skip to content

[llvm-objcopy] Let --change-section-lma change segments wth filesz=0,… #127724

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 3 commits into from
Feb 27, 2025
Merged

[llvm-objcopy] Let --change-section-lma change segments wth filesz=0,… #127724

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
5e39ac8
[llvm-objcopy] Let --change-section-lma change segments wth filesz=0,…
jonathonpenix Feb 18, 2025
3d23251
fixup! [llvm-objcopy] Let --change-section-lma change segments wth fi…
jonathonpenix Feb 24, 2025
91ebc90
fixup! [llvm-objcopy] Let --change-section-lma change segments wth fi…
jonathonpenix Feb 26, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion llvm/lib/ObjCopy/ELF/ELFObjcopy.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -824,7 +824,7 @@ static Error handleArgs(const CommonConfig &Config, const ELFConfig &ELFConfig,

if (Config.ChangeSectionLMAValAll != 0) {
for (Segment &Seg : Obj.segments()) {
if (Seg.FileSize > 0) {
if (Seg.MemSize > 0) {
if (Config.ChangeSectionLMAValAll > 0 &&
Seg.PAddr > std::numeric_limits<uint64_t>::max() -
Config.ChangeSectionLMAValAll) {
Expand Down
34 changes: 26 additions & 8 deletions llvm/test/tools/llvm-objcopy/ELF/change-section-lma.test
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -13,17 +13,21 @@
# RUN: not llvm-objcopy --change-section-lma *+0x100000000 %t 2>&1 | FileCheck %s --check-prefix=ERR-OVERFLOW

# CHECK-PLUS-PROGRAMS: Type Offset VirtAddr PhysAddr FileSiz MemSiz
# CHECK-PLUS-PROGRAMS: PHDR 0x000002 0x0000000000001102 0x0000000000001122 0x000038 0x000000
# CHECK-PLUS-PROGRAMS: LOAD 0x000000 0x0000000000001100 0x0000000000001120 0x000258 0x000258
# CHECK-PLUS-PROGRAMS: LOAD 0x000258 0xffffffff00005100 0xffffffff00006120 0x000100 0x000100
# CHECK-PLUS-PROGRAMS: NOTE 0x000358 0x0000000000001200 0x0000000000001220 0x000010 0x000000
# CHECK-PLUS-PROGRAMS: PHDR 0x000002 0x0000000000001102 0x0000000000001122 0x000038 0x000038
# CHECK-PLUS-PROGRAMS: LOAD 0x000000 0x0000000000001100 0x0000000000001120 0x0002c8 0x0002c8
# CHECK-PLUS-PROGRAMS: LOAD 0x0002c8 0xffffffff00005100 0xffffffff00006120 0x000100 0x000100
# CHECK-PLUS-PROGRAMS: NOTE 0x000358 0x0000000000001200 0x0000000000001220 0x000010 0x000010
# CHECK-PLUS-PROGRAMS: NOTE 0x000368 0x0000000000000000 0x0000000000000000 0x000000 0x000000
# CHECK-PLUS-PROGRAMS: LOAD 0x0003c8 0x0000000000001300 0x0000000000001320 0x000000 0x000010
# CHECK-PLUS-PROGRAMS: NOTE 0x000378 0x0000000000000000 0x0000000000000000 0x000010 0x000000

# CHECK-MINUS-PROGRAMS: PHDR 0x000002 0x0000000000001102 0x00000000000010d2 0x000038 0x000000
# CHECK-MINUS-PROGRAMS: LOAD 0x000000 0x0000000000001100 0x00000000000010d0 0x000258 0x000258
# CHECK-MINUS-PROGRAMS: LOAD 0x000258 0xffffffff00005100 0xffffffff000060d0 0x000100 0x000100
# CHECK-MINUS-PROGRAMS: NOTE 0x000358 0x0000000000001200 0x00000000000011d0 0x000010 0x000000
# CHECK-MINUS-PROGRAMS: PHDR 0x000002 0x0000000000001102 0x00000000000010d2 0x000038 0x000038
# CHECK-MINUS-PROGRAMS: LOAD 0x000000 0x0000000000001100 0x00000000000010d0 0x0002c8 0x0002c8
# CHECK-MINUS-PROGRAMS: LOAD 0x0002c8 0xffffffff00005100 0xffffffff000060d0 0x000100 0x000100
# CHECK-MINUS-PROGRAMS: NOTE 0x000358 0x0000000000001200 0x00000000000011d0 0x000010 0x000010
# CHECK-MINUS-PROGRAMS: NOTE 0x000368 0x0000000000000000 0x0000000000000000 0x000000 0x000000
# CHECK-MINUS-PROGRAMS: LOAD 0x0003c8 0x0000000000001300 0x00000000000012d0 0x000000 0x000010
# CHECK-MINUS-PROGRAMS: NOTE 0x000378 0x0000000000000000 0x0000000000000000 0x000010 0x000000

# CHECK-PLUS-SECTIONS: [Nr] Name Type Address Off Size ES Flg Lk Inf Al
# CHECK-PLUS-SECTIONS: .text1
Expand Down Expand Up @@ -55,9 +59,13 @@ Sections:
- Name: .text2
Type: SHT_PROGBITS
Size: 0x100
- Name: .bss1
Type: SHT_NOBITS
Size: 0x10
ProgramHeaders:
- Type: PT_PHDR
FileSize: 0x38
MemSize: 0x38
Offset: 0x2
VAddr: 0x1102
- Type: PT_LOAD
Expand All @@ -72,8 +80,18 @@ ProgramHeaders:
LastSec: .text2
- Type: PT_NOTE
FileSize: 0x10
MemSize: 0x10
VAddr: 0x1200
Offset: 0x358
- Type: PT_NOTE
FileSize: 0x0
MemSize: 0x0
Offset: 0x368
- Type: PT_LOAD
VAddr: 0x1300
FirstSec: .bss1
LastSec: .bss1
- Type: PT_NOTE
FileSize: 0x10
MemSize: 0x0
Offset: 0x378