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c44838ebf8
Some targets have a GLIBC_2.0 baseline for libdl, while using GLIBC_2.2 for libc. This means that the generated libc.map file does not have any version nodes for GLIBC_2.0 or GLIBC_2.1. However, moving symbols from libdl into libc needs such version nodes. (Future symbol moves from librt will need this as well.) This kludge is only necessary for symbols predating GLIBC_2.2 because the affected targets use GLIBC_2.2 as the baseline for libc. Given the small number and fixed set of affected architectures, no generic mechanism is implemented, and instead the map file fragment is hard-coded in scripts/versions.mk. The compat_symbol macro already emits the appropriate version strings, so no adjustments are needed there. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
37 lines
590 B
Plaintext
37 lines
590 B
Plaintext
!libc_pre_versions
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libc {
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GLIBC_2.2 {
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ioperm; iopl;
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inb; inw; inl;
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_inb; _inw; _inl;
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outb; outw; _outl;
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_outb; _outw; _outl;
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pciconfig_read; pciconfig_write;
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# linuxthreads
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__clone2;
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}
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GLIBC_2.2.2 {
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# w*
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wordexp;
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}
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GLIBC_2.3.3 {
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# Changed PTHREAD_STACK_MIN.
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pthread_attr_setstack;
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pthread_attr_setstacksize;
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}
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GLIBC_2.2.6 {
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getunwind;
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}
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GLIBC_2.24 {
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recvmsg; sendmsg;
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}
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}
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librt {
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GLIBC_2.3.3 {
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# Changed timer_t.
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timer_create; timer_delete; timer_getoverrun; timer_gettime;
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timer_settime;
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}
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}
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