libc-symbols.h: remove unused macros
Beside weak_hidden_alias/declare_symbol_alias/hidden_data_ver, many *_hidden_* macros are removed. If there is a rare need to use one, one may write something like `#if IS_IN (libm)\nhidden_def (...)\n#endif` instead. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Fangrui Song
parent
8ee2c043cf
commit
62595e8944
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@ -155,14 +155,6 @@
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extern __typeof (name) aliasname __attribute__ ((weak, alias (#name))) \
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__attribute_copy__ (name);
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/* Same as WEAK_ALIAS, but mark symbol as hidden. */
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# define weak_hidden_alias(name, aliasname) \
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_weak_hidden_alias (name, aliasname)
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# define _weak_hidden_alias(name, aliasname) \
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extern __typeof (name) aliasname \
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__attribute__ ((weak, alias (#name), __visibility__ ("hidden"))) \
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__attribute_copy__ (name);
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/* Declare SYMBOL as weak undefined symbol (resolved to 0 if not defined). */
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# define weak_extern(symbol) _weak_extern (weak symbol)
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# define _weak_extern(expr) _Pragma (#expr)
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@ -332,14 +324,6 @@ for linking")
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.type C_SYMBOL_NAME (symbol), %object ASM_LINE_SEP \
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.size C_SYMBOL_NAME (symbol), s_size ASM_LINE_SEP
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#else /* Not __ASSEMBLER__. */
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# define declare_symbol_alias(symbol, original, type, size) \
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declare_symbol_alias_1 (symbol, original, type, size)
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# define declare_symbol_alias_1(symbol, original, type, size) \
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asm (".globl " __SYMBOL_PREFIX #symbol \
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"\n\t" declare_symbol_alias_1_alias (symbol, original) \
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"\n\t.type " __SYMBOL_PREFIX #symbol ", " \
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"%" #type \
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"\n\t.size " __SYMBOL_PREFIX #symbol ", " #size);
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# ifdef HAVE_ASM_SET_DIRECTIVE
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# define declare_symbol_alias_1_alias(symbol, original) \
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".set " __SYMBOL_PREFIX #symbol ", " __SYMBOL_PREFIX #original
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@ -556,7 +540,6 @@ for linking")
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__attribute__((alias (__hidden_asmname (#local)))) \
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__attribute_copy__ (name)
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# define hidden_ver(local, name) __hidden_ver1(local, __GI_##name, name);
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# define hidden_data_ver(local, name) hidden_ver(local, name)
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# define hidden_def(name) __hidden_ver1(__GI_##name, name, name);
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# define hidden_def_alias(name, internal) \
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strong_alias (name, internal)
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@ -595,7 +578,6 @@ for linking")
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# define hidden_data_def_alias(name, alias) strong_data_alias (name, alias)
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# define hidden_tls_def(name) hidden_data_def (name)
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# define hidden_data_weak(name) hidden_data_def (name)
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# define hidden_data_ver(local, name) strong_data_alias (local, __GI_##name)
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# define HIDDEN_JUMPTARGET(name) __GI_##name
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# endif
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#else
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@ -631,7 +613,6 @@ for linking")
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# define hidden_data_def(name)
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# define hidden_data_def_alias(name, alias)
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# define hidden_tls_def(name)
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# define hidden_data_ver(local, name)
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# define hidden_nolink(name, lib, version)
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#endif
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@ -641,7 +622,6 @@ for linking")
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hidden_proto_alias (name, alias, ##attrs)
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# define libc_hidden_tls_proto(name, attrs...) hidden_tls_proto (name, ##attrs)
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# define libc_hidden_def(name) hidden_def (name)
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# define libc_hidden_def_alias(name, alias) hidden_def_alias (name, alias)
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# define libc_hidden_weak(name) hidden_weak (name)
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# define libc_hidden_nolink_sunrpc(name, version) hidden_nolink (name, libc, version)
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# define libc_hidden_ver(local, name) hidden_ver (local, name)
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@ -649,7 +629,6 @@ for linking")
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# define libc_hidden_data_def_alias(name, alias) hidden_data_def_alias (name, alias)
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# define libc_hidden_tls_def(name) hidden_tls_def (name)
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# define libc_hidden_data_weak(name) hidden_data_weak (name)
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# define libc_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libc_hidden_proto(name, attrs...)
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# define libc_hidden_proto_alias(name, alias, attrs...)
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@ -661,228 +640,83 @@ for linking")
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# define libc_hidden_data_def_alias(name, alias)
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# define libc_hidden_tls_def(name)
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# define libc_hidden_data_weak(name)
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# define libc_hidden_data_ver(local, name)
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#endif
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#if IS_IN (rtld)
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# define rtld_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define rtld_hidden_tls_proto(name, attrs...) hidden_tls_proto (name, ##attrs)
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# define rtld_hidden_def(name) hidden_def (name)
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# define rtld_hidden_weak(name) hidden_weak (name)
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# define rtld_hidden_ver(local, name) hidden_ver (local, name)
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# define rtld_hidden_data_def(name) hidden_data_def (name)
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# define rtld_hidden_tls_def(name) hidden_tls_def (name)
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# define rtld_hidden_data_weak(name) hidden_data_weak (name)
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# define rtld_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define rtld_hidden_proto(name, attrs...)
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# define rtld_hidden_tls_proto(name, attrs...)
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# define rtld_hidden_def(name)
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# define rtld_hidden_weak(name)
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# define rtld_hidden_ver(local, name)
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# define rtld_hidden_data_def(name)
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# define rtld_hidden_tls_def(name)
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# define rtld_hidden_data_weak(name)
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# define rtld_hidden_data_ver(local, name)
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#endif
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#if IS_IN (libm)
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# define libm_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libm_hidden_tls_proto(name, attrs...) hidden_tls_proto (name, ##attrs)
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# define libm_hidden_def(name) hidden_def (name)
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# define libm_hidden_weak(name) hidden_weak (name)
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# define libm_hidden_ver(local, name) hidden_ver (local, name)
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# define libm_hidden_data_def(name) hidden_data_def (name)
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# define libm_hidden_tls_def(name) hidden_tls_def (name)
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# define libm_hidden_data_weak(name) hidden_data_weak (name)
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# define libm_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libm_hidden_proto(name, attrs...)
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# define libm_hidden_tls_proto(name, attrs...)
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# define libm_hidden_def(name)
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# define libm_hidden_weak(name)
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# define libm_hidden_ver(local, name)
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# define libm_hidden_data_def(name)
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# define libm_hidden_tls_def(name)
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# define libm_hidden_data_weak(name)
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# define libm_hidden_data_ver(local, name)
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#endif
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#if IS_IN (libmvec)
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# define libmvec_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libmvec_hidden_tls_proto(name, attrs...) hidden_tls_proto (name, ##attrs)
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# define libmvec_hidden_def(name) hidden_def (name)
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# define libmvec_hidden_weak(name) hidden_weak (name)
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# define libmvec_hidden_ver(local, name) hidden_ver (local, name)
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# define libmvec_hidden_data_def(name) hidden_data_def (name)
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# define libmvec_hidden_tls_def(name) hidden_tls_def (name)
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# define libmvec_hidden_data_weak(name) hidden_data_weak (name)
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# define libmvec_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libmvec_hidden_proto(name, attrs...)
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# define libmvec_hidden_tls_proto(name, attrs...)
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# define libmvec_hidden_def(name)
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# define libmvec_hidden_weak(name)
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# define libmvec_hidden_ver(local, name)
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# define libmvec_hidden_data_def(name)
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# define libmvec_hidden_tls_def(name)
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# define libmvec_hidden_data_weak(name)
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# define libmvec_hidden_data_ver(local, name)
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#endif
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#if IS_IN (libresolv)
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# define libresolv_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libresolv_hidden_tls_proto(name, attrs...) \
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hidden_tls_proto (name, ##attrs)
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# define libresolv_hidden_def(name) hidden_def (name)
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# define libresolv_hidden_weak(name) hidden_weak (name)
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# define libresolv_hidden_ver(local, name) hidden_ver (local, name)
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# define libresolv_hidden_data_def(name) hidden_data_def (name)
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# define libresolv_hidden_tls_def(name) hidden_tls_def (name)
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# define libresolv_hidden_data_weak(name) hidden_data_weak (name)
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# define libresolv_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libresolv_hidden_proto(name, attrs...)
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# define libresolv_hidden_tls_proto(name, attrs...)
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# define libresolv_hidden_def(name)
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# define libresolv_hidden_weak(name)
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# define libresolv_hidden_ver(local, name)
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# define libresolv_hidden_data_def(name)
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# define libresolv_hidden_tls_def(name)
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# define libresolv_hidden_data_weak(name)
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# define libresolv_hidden_data_ver(local, name)
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#endif
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#if IS_IN (libpthread)
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# define libpthread_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libpthread_hidden_tls_proto(name, attrs...) \
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hidden_tls_proto (name, ##attrs)
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# define libpthread_hidden_def(name) hidden_def (name)
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# define libpthread_hidden_weak(name) hidden_weak (name)
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# define libpthread_hidden_ver(local, name) hidden_ver (local, name)
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# define libpthread_hidden_data_def(name) hidden_data_def (name)
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# define libpthread_hidden_tls_def(name) hidden_tls_def (name)
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# define libpthread_hidden_data_weak(name) hidden_data_weak (name)
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# define libpthread_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libpthread_hidden_proto(name, attrs...)
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# define libpthread_hidden_tls_proto(name, attrs...)
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# define libpthread_hidden_def(name)
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# define libpthread_hidden_weak(name)
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# define libpthread_hidden_ver(local, name)
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# define libpthread_hidden_data_def(name)
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# define libpthread_hidden_tls_def(name)
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# define libpthread_hidden_data_weak(name)
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# define libpthread_hidden_data_ver(local, name)
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#endif
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#if IS_IN (librt)
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# define librt_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define librt_hidden_tls_proto(name, attrs...) \
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hidden_tls_proto (name, ##attrs)
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# define librt_hidden_def(name) hidden_def (name)
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# define librt_hidden_weak(name) hidden_weak (name)
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# define librt_hidden_ver(local, name) hidden_ver (local, name)
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# define librt_hidden_data_def(name) hidden_data_def (name)
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# define librt_hidden_tls_def(name) hidden_tls_def (name)
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# define librt_hidden_data_weak(name) hidden_data_weak (name)
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# define librt_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define librt_hidden_proto(name, attrs...)
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# define librt_hidden_tls_proto(name, attrs...)
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# define librt_hidden_def(name)
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# define librt_hidden_weak(name)
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# define librt_hidden_ver(local, name)
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# define librt_hidden_data_def(name)
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# define librt_hidden_tls_def(name)
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# define librt_hidden_data_weak(name)
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# define librt_hidden_data_ver(local, name)
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#endif
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#if IS_IN (libdl)
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# define libdl_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libdl_hidden_tls_proto(name, attrs...) \
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hidden_tls_proto (name, ##attrs)
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# define libdl_hidden_def(name) hidden_def (name)
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# define libdl_hidden_weak(name) hidden_weak (name)
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# define libdl_hidden_ver(local, name) hidden_ver (local, name)
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# define libdl_hidden_data_def(name) hidden_data_def (name)
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# define libdl_hidden_tls_def(name) hidden_tls_def (name)
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# define libdl_hidden_data_weak(name) hidden_data_weak (name)
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# define libdl_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libdl_hidden_proto(name, attrs...)
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# define libdl_hidden_tls_proto(name, attrs...)
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# define libdl_hidden_def(name)
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# define libdl_hidden_weak(name)
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# define libdl_hidden_ver(local, name)
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# define libdl_hidden_data_def(name)
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# define libdl_hidden_tls_def(name)
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# define libdl_hidden_data_weak(name)
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# define libdl_hidden_data_ver(local, name)
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#endif
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#if IS_IN (libnsl)
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# define libnsl_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libnsl_hidden_tls_proto(name, attrs...) \
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hidden_tls_proto (name, ##attrs)
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# define libnsl_hidden_nolink_def(name, version) hidden_nolink (name, libnsl, version)
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# define libnsl_hidden_weak(name) hidden_weak (name)
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# define libnsl_hidden_ver(local, name) hidden_ver (local, name)
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# define libnsl_hidden_data_def(name) hidden_data_def (name)
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# define libnsl_hidden_tls_def(name) hidden_tls_def (name)
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# define libnsl_hidden_data_weak(name) hidden_data_weak (name)
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# define libnsl_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libnsl_hidden_proto(name, attrs...)
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# define libnsl_hidden_tls_proto(name, attrs...)
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# define libnsl_hidden_weak(name)
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# define libnsl_hidden_ver(local, name)
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# define libnsl_hidden_data_def(name)
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# define libnsl_hidden_tls_def(name)
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# define libnsl_hidden_data_weak(name)
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# define libnsl_hidden_data_ver(local, name)
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#endif
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#define libc_hidden_builtin_proto(name, attrs...) libc_hidden_proto (name, ##attrs)
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#define libc_hidden_builtin_def(name) libc_hidden_def (name)
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#define libc_hidden_builtin_weak(name) libc_hidden_weak (name)
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#define libc_hidden_builtin_ver(local, name) libc_hidden_ver (local, name)
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#define libc_hidden_ldbl_proto(name, attrs...) libc_hidden_proto (name, ##attrs)
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#ifdef __ASSEMBLER__
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# define HIDDEN_BUILTIN_JUMPTARGET(name) HIDDEN_JUMPTARGET(name)
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#endif
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#if IS_IN (libutil)
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# define libutil_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libutil_hidden_tls_proto(name, attrs...) \
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hidden_tls_proto (name, ##attrs)
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# define libutil_hidden_def(name) hidden_def (name)
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# define libutil_hidden_weak(name) hidden_weak (name)
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# define libutil_hidden_ver(local, name) hidden_ver (local, name)
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# define libutil_hidden_data_def(name) hidden_data_def (name)
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# define libutil_hidden_tls_def(name) hidden_tls_def (name)
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# define libutil_hidden_data_weak(name) hidden_data_weak (name)
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# define libutil_hidden_data_ver(local, name) hidden_data_ver (local, name)
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#else
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# define libutil_hidden_proto(name, attrs...)
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# define libutil_hidden_tls_proto(name, attrs...)
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# define libutil_hidden_def(name)
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# define libutil_hidden_weak(name)
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# define libutil_hidden_ver(local, name)
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# define libutil_hidden_data_def(name)
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# define libutil_hidden_tls_def(name)
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# define libutil_hidden_data_weak(name)
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# define libutil_hidden_data_ver(local, name)
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#endif
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#if IS_IN (libanl)
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# define libanl_hidden_proto(name, attrs...) hidden_proto (name, ##attrs)
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# define libanl_hidden_def(name) hidden_def (name)
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#else
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# define libanl_hidden_proto(name, attrs...)
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# define libanl_hidden_def(name)
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#endif
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/* Get some dirty hacks. */
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@ -893,11 +727,8 @@ for linking")
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#ifndef __ASSEMBLER__
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# define attribute_compat_text_section \
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__attribute__ ((section (".text.compat")))
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# define attribute_compat_data_section \
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__attribute__ ((section (".data.compat")))
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#else
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# define compat_text_section .section ".text.compat", "ax";
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# define compat_data_section .section ".data.compat", "aw";
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#endif
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/* Helper / base macros for indirect function symbols. */
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