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authorFlorian Weimer <fweimer@redhat.com>2016-11-30 15:59:57 +0100
committerFlorian Weimer <fweimer@redhat.com>2016-11-30 15:59:57 +0100
commit9e78f6f6e7134a5f299cc8de77370218f8019237 (patch)
tree04aa339daf9901b8fc1851353c697528659e7afe /dlfcn/bug-atexit2-lib.c
parent705a79f82560ff6472cebed86aa5db04cdea3bce (diff)
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Implement _dl_catch_error, _dl_signal_error in libc.so [BZ #16628]
This change moves the main implementation of _dl_catch_error, _dl_signal_error to libc.so, where TLS variables can be used directly. This removes a writable function pointer from the rtld_global variable. For use during initial relocation, minimal implementations of these functions are provided in ld.so. These are eventually interposed by the libc.so implementations. This is implemented by compiling elf/dl-error-skeleton.c twice, via elf/dl-error.c and elf/dl-error-minimal.c. As a side effect of this change, the static version of dl-error.c no longer includes support for the _dl_signal_cerror/_dl_receive_error mechanism because it is only used in ld.so.
Diffstat (limited to 'dlfcn/bug-atexit2-lib.c')
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