zhuhan0 added a comment.
This doesn't work. The test would fail with
error: libdynamic-library-test.so: ELF load command address/offset not
properly aligned
I first used obj2yaml to convert `libdynamic-library-test.so` to YAML, and then
the test uses yaml2obj to convert it back. But it looks like yaml2obj could not
generate a loadable shared library. The input library's first load offset
starts at 0x000:
LOAD off 0x0000000000000000 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**12
filesz 0x00000000000004f4 memsz 0x00000000000004f4 flags r--
It contains a padding section before the first real section .dynsym:
Sections:
Idx Name Size VMA Type
0 00000000 0000000000000000
1 .dynsym 000000a8 0000000000000238
But in the output library of yaml2obj, the first load offset does not start at
0x000 but with the start of .dynsym 0x238
LOAD off 0x0000000000000238 vaddr 0x0000000000000000 paddr
0x0000000000000000 align 2**12
filesz 0x00000000000002bc memsz 0x00000000000002bc flags r--
It's not aligned by 0x1000 and therefore it failed to load.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D147823/new/
https://reviews.llvm.org/D147823
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