gcc: defer L4Re loader symbols to runtime in LINK_SPEC#318
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sixtyfourktec wants to merge 1 commit into
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gcc: defer L4Re loader symbols to runtime in LINK_SPEC#318sixtyfourktec wants to merge 1 commit into
sixtyfourktec wants to merge 1 commit into
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The dynamic-executable LINK_SPEC sets /rom/libld-l4.so.1 as the interpreter but does not allow undefined symbols in shared libraries. L4Re's libc.so carries no DT_NEEDED on the loader, so ld cannot resolve the loader-provided symbols (_dl_*, l4re_global_env, l4_global_kip, l4re_env_posix_vfs_ops) at link time and a plain link fails. Add --allow-shlib-undefined to the dynamic-exe branch so these symbols are bound at load time by the interpreter, matching what the libc -> ld-linux DT_NEEDED chain achieves implicitly on GNU/Linux. Signed-off-by: Christian Pötzsch <christian.poetzsch@kernkonzept.com>
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I guess it makes more sense to fix L4Re's uclibc build? This workaround doesn't feel right. Especially since other systems don't need them... |
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The dynamic-executable LINK_SPEC sets /rom/libld-l4.so.1 as the interpreter but does not allow undefined symbols in shared libraries. L4Re's libc.so carries no DT_NEEDED on the loader, so ld cannot resolve the loader-provided symbols (dl*, l4re_global_env, l4_global_kip, l4re_env_posix_vfs_ops) at link time and a plain link fails.
Add --allow-shlib-undefined to the dynamic-exe branch so these symbols are bound at load time by the interpreter, matching what the libc -> ld-linux DT_NEEDED chain achieves implicitly on GNU/Linux.