[llvm] [llvm-objcopy] Add change-section-lma *+/-offset (PR #95431)

[James Henderson via llvm-commits]

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@@ -0,0 +1,52 @@
+# RUN: yaml2obj %s -o %t
+# RUN: llvm-objcopy --change-section-lma *+0x20 %t %t2
+# RUN: llvm-readelf -l %t2 | FileCheck %s --check-prefix=CHECK-PLUS
+# RUN: llvm-objcopy --change-section-lma *-0x10 %t2 %t3
+# RUN: llvm-readelf -l %t3 | FileCheck %s --check-prefix=CHECK-MINUS
+# RUN: not llvm-objcopy --change-section-lma .text3=0x5000 %t  2>&1 | FileCheck %s --check-prefix=ERR
+
+!ELF
+FileHeader:
+  Class:           ELFCLASS64
+  Data:            ELFDATA2LSB
+  Type:            ET_EXEC
+  Machine:         EM_AARCH64
+Sections:
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jh7370 wrote:

If I'm not mistaken, I think the sections are actually irrelevant to the test case and code behaviour (you can explicitly set the p_filesz of the segment in the YAML, without needing sections to drive it). If so, let's omit them.

https://github.com/llvm/llvm-project/pull/95431