Strip symbols of all binaries#109
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sbc100
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Testing for "ELF" is too narrow since we also support on-ELF hosts such as macOS. Would it work to just unconditionally run strip on every file under Alternatively, if we could add "-s" to the link command-line, that would cause it to strip executables too. |
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@sunfishcode, I didn't really know all the places |
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I think post-stripping is probably best. The current approach of this patch is to strip anything that |
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Sounds reasonable. |
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…s. (WebAssembly#109) * Link `populate_environ` only if we actually need environment variables. This avoids linking in the environment variable initialization code, and the __wasi_environ_sizes_get and __wasi_environ_get imports, in programs that don't use environment variables. This also removes the "___environ" (three underscores) alias symbol, which is only in musl for backwards compatibility. * Switch to //-style comments. * If malloc fails, don't leave `__environ` pointing to an uninitialized buffer. * Fix a memory leak if one malloc succeeds and the other fails. * Use calloc to handle multiplication overflow. This also handles the NULL terminator. * Don't initialize __environ until everything has succeeded. * Avoid leaking in case __wasi_environ_get fails. * Handle overflow in the add too. * Add #include <stdlib.h> for malloc etc. * If the environment is empty, don't allocate any memory.
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@sbc100, this resolves the discussion we had in #108 about stripping symbols from all binaries.