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ed1b7a5a48
On i386, programs and shared libraries with __thread usage may fail silently at run-time against glibc without the TLS run-time fix for: https://sourceware.org/bugzilla/show_bug.cgi?id=32996 Add GLIBC_ABI_GNU_TLS version to indicate that glibc has the working GNU TLS run-time. Linker can add the GLIBC_ABI_GNU_TLS version to binaries which depend on the working TLS run-time so that such programs and shared libraries will fail to load and run at run-time against libc.so without the GLIBC_ABI_GNU_TLS version, instead of fail silently at random. This fixes BZ #33221. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Reviewed-by: Sam James <sam@gentoo.org>
44 lines
1.3 KiB
Plaintext
44 lines
1.3 KiB
Plaintext
ld {
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GLIBC_2.3 {
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# The alternative i386 runtime interface to TLS.
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___tls_get_addr;
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}
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}
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libc {
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GLIBC_2.0 {
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# Functions from libgcc.
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__divdi3; __moddi3; __udivdi3; __umoddi3;
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}
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GLIBC_2.1 {
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# global variable
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_fp_hw;
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}
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GLIBC_2.1.1 {
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# extern inline functions used by <bits/string.h>
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__memcpy_c; __memset_cc; __memset_cg; __memset_gg;
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__memcpy_by2; __memcpy_by4; __memcpy_g; __mempcpy_by2; __mempcpy_by4;
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__mempcpy_byn; __memset_ccn_by2; __memset_ccn_by4; __memset_gcn_by2;
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__memset_gcn_by4; __stpcpy_g; __strcat_c; __strcat_g; __strchr_c;
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__strchr_g; __strchrnul_c; __strchrnul_g; __strcmp_gg; __strcpy_g;
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__strcspn_c1; __strcspn_cg; __strcspn_g; __strlen_g; __strncat_g;
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__strncmp_g; __strncpy_by2; __strncpy_by4; __strncpy_byn; __strncpy_gg;
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__strpbrk_cg; __strpbrk_g; __strrchr_c; __strrchr_g; __strspn_c1;
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__strspn_cg; __strspn_g; __strstr_cg; __strstr_g;
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}
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GLIBC_2.13 {
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__fentry__;
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}
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GLIBC_ABI_GNU_TLS {
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# This symbol is used only for empty version map and will be removed
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# by scripts/versions.awk.
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__placeholder_only_for_empty_version_map;
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}
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}
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libm {
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GLIBC_2.1 {
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# A generic bug got this omitted from other configurations' version
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# sets, but we always had it.
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exp2l;
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}
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}
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