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| author | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-11-10 23:35:19 +0000 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2020-11-11 02:36:22 +0100 |
| commit | 3d3316b1dee885153d44210b2e95dba68d00613a (patch) | |
| tree | 997c7734e51a76d2c11d0bfb5227f463c75df2e2 /sysdeps/mach/include | |
| parent | a40b18b2330026cedc07348481bf3219f668adca (diff) | |
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hurd: keep only required PLTs in ld.so
We need NO_RTLD_HIDDEN because of the need for PLT calls in ld.so.
See Roland's comment in
https://sourceware.org/bugzilla/show_bug.cgi?id=15605
"in the Hurd it's crucial that calls like __mmap be the libc ones
instead of the rtld-local ones after the bootstrap phase, when the
dynamic linker is being used for dlopen and the like."
We used to just avoid all hidden use in the rtld ; this commit switches to
keeping only those that should use PLT calls, i.e. essentially those defined in
sysdeps/mach/hurd/dl-sysdep.c:
__assert_fail
__assert_perror_fail
__*stat64
_exit
This fixes a few startup issues, notably the call to __tunable_get_val that is
made before PLTs are set up.
Diffstat (limited to 'sysdeps/mach/include')
0 files changed, 0 insertions, 0 deletions