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b94988cc08
This change was originally landed in: 5000a1b4b9edeb9e994f2a5b36da8d48599bea49
It was reverted in: 061e071d8c9b98526f35cad55a918a4f1615afd4
This change adds support for a new WASM_SEG_FLAG_STRINGS flag in
the object format which works in a similar fashion to SHF_STRINGS
in the ELF world.
Unlike the ELF linker this support is currently limited:
- No support for SHF_MERGE (non-string merging)
- Always do full tail merging ("lo" can be merged with "hello")
- Only support single byte strings (p2align 0)
Like the ELF linker merging is only performed at `-O1` and above.
This fixes part of https://bugs.llvm.org/show_bug.cgi?id=48828,
although crucially it doesn't not currently support debug sections
because they are not represented by data segments (they are custom
sections)
Differential Revision: https://reviews.llvm.org/D97657
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| .. | ||
| archive2yaml.cpp | ||
| CMakeLists.txt | ||
| coff2yaml.cpp | ||
| dwarf2yaml.cpp | ||
| elf2yaml.cpp | ||
| macho2yaml.cpp | ||
| minidump2yaml.cpp | ||
| obj2yaml.cpp | ||
| obj2yaml.h | ||
| wasm2yaml.cpp | ||
| xcoff2yaml.cpp | ||