mirror of
https://sourceware.org/git/glibc.git
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9b21e6bcf8
* include/libc-symbols.h (attribute_tls_model_ie): Define.
* include/errno.h (errno): Define to __libc_errno in libc.so.
Add attribute_tls_model_ie.
* include/netdb.h (h_errno): Define to __libc_h_errno in libc.so.
Add attribute_tls_model_ie.
* include/resolv.h (_res): Define to __libc_res in libc.so. Add
attribute_tls_model_ie.
* inet/herrno.c (__libc_h_errno): Add hidden alias to h_errno.
(h_errno): Define.
* resolv/res_libc.c (__libc_res): Add hidden alias to _res.
(_res): Define.
* sysdeps/generic/bits/libc-tsd.h (__libc_tsd_define): Add
attribute_tls_model_ie.
* sysdeps/generic/errno-loc.c (errno): Only undefine if not using
__thread.
* sysdeps/generic/errno.c (__libc_errno): Add hidden alias to errno.
* sysdeps/unix/sysv/linux/i386/sysdep.h (SYSCALL_ERROR_HANDLER): Use
__libc_errno in USE___THREAD case.
* sysdeps/unix/sysv/linux/x86_64/sysdep.h (SYSCALL_ERROR_HANDLER):
Likewise.
* configure.in (HAVE_TLS_MODEL_ATTRIBUTE): Check for
__attribute__((tls_model (""))).
* configure: Rebuilt.
* config.h.in (HAVE_TLS_MODEL_ATTRIBUTE): Add.
229 lines
6.8 KiB
C
229 lines
6.8 KiB
C
#if !defined __ASSEMBLER__ && !defined _ISOMAC && !defined __OPTIMIZE__
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# error "glibc cannot be compiled without optimization"
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#endif
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/* Another evil option when it comes to compiling the C library is
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--ffast-math since it alters the ABI. */
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#if defined __FAST_MATH__ && !defined TEST_FAST_MATH
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# error "glibc must not be compiled with -ffast-math"
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#endif
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/* Define if using GNU ld, with support for weak symbols in a.out,
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and for symbol set and warning messages extensions in a.out and ELF.
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This implies HAVE_WEAK_SYMBOLS; set by --with-gnu-ld. */
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#undef HAVE_GNU_LD
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/* Define if using ELF, which supports weak symbols.
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This implies HAVE_ASM_WEAK_DIRECTIVE and NO_UNDERSCORES; set by
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--with-elf. */
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#undef HAVE_ELF
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/* Define if using XCOFF. Set by --with-xcoff. */
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#undef HAVE_XCOFF
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/* Define if C symbols are asm symbols. Don't define if C symbols
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have a `_' prepended to make the asm symbol. */
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#undef NO_UNDERSCORES
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/* Define if weak symbols are available via the `.weak' directive. */
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#undef HAVE_ASM_WEAK_DIRECTIVE
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/* Define if weak symbols are available via the `.weakext' directive. */
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#undef HAVE_ASM_WEAKEXT_DIRECTIVE
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/* Define to the assembler line separator character for multiple
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assembler instructions per line. Default is `;' */
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#undef ASM_LINE_SEP
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/* Define if not using ELF, but `.init' and `.fini' sections are available. */
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#undef HAVE_INITFINI
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/* Define if __attribute__((section("foo"))) puts quotes around foo. */
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#undef HAVE_SECTION_QUOTES
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/* Define if using the GNU assembler, gas. */
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#undef HAVE_GNU_AS
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/* Define if the assembler supports the `.set' directive. */
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#undef HAVE_ASM_SET_DIRECTIVE
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/* Define to the name of the assembler's directive for
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declaring a symbol global (default `.globl'). */
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#undef ASM_GLOBAL_DIRECTIVE
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/* Define to the prefix before `object' or `function' in the
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assembler's `.type' directive, if it has one. */
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#undef ASM_TYPE_DIRECTIVE_PREFIX
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/* Define a symbol_name as a global .symbol_name for ld. */
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#undef HAVE_ASM_GLOBAL_DOT_NAME
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/* Define if _Unwind_Find_FDE should be exported from glibc. */
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#undef EXPORT_UNWIND_FIND_FDE
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/* Define to use GNU libio instead of GNU stdio.
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This is defined by configure under --enable-libio. */
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#undef USE_IN_LIBIO
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/* Define if using ELF and the assembler supports the `.previous'
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directive. */
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#undef HAVE_ASM_PREVIOUS_DIRECTIVE
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/* Define if using ELF and the assembler supports the `.popsection'
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directive. */
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#undef HAVE_ASM_POPSECTION_DIRECTIVE
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/* Define to the prefix Alpha/ELF GCC emits before ..ng symbols. */
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#undef ASM_ALPHA_NG_SYMBOL_PREFIX
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/* Define if versioning of the library is wanted. */
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#undef DO_VERSIONING
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/* Defined to the oldest ABI we support, like 2.1. */
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#undef GLIBC_OLDEST_ABI
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/* Define if static NSS modules are wanted. */
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#undef DO_STATIC_NSS
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/* Define if gcc uses DWARF2 unwind information for exception support. */
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#undef HAVE_DWARF2_UNWIND_INFO
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/* Define if gcc uses DWARF2 unwind information for exception support
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with static variable. */
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#undef HAVE_DWARF2_UNWIND_INFO_STATIC
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/* Define if the compiler supports __builtin_expect. */
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#undef HAVE_BUILTIN_EXPECT
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/* Define if the compiler supports __builtin_memset. */
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#undef HAVE_BUILTIN_MEMSET
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/* Define if the __thread keyword is supported. */
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#undef HAVE___THREAD
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/* Define if the compiler supports __attribute__((tls_model(""))). */
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#undef HAVE_TLS_MODEL_ATTRIBUTE
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/* Define if the regparm attribute shall be used for local functions
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(gcc on ix86 only). */
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#undef USE_REGPARMS
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/* Defined on PowerPC if the GCC being used has a problem with clobbering
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certain registers (CR0, MQ, CTR, LR) in asm statements. */
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#undef BROKEN_PPC_ASM_CR0
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/* Define if the linker supports the -z combreloc option. */
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#undef HAVE_Z_COMBRELOC
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/* Define if the assembler supported .protected. */
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#undef HAVE_PROTECTED
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/* Define if the assembler supported .hidden. */
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#undef HAVE_HIDDEN
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/* Define if the compiler supports __attribute__ ((visibility (...))). */
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#undef HAVE_VISIBILITY_ATTRIBUTE
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/* Define if the compiler doesn't support __attribute__ ((visibility (...)))
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together with __asm__ redirection properly. */
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#undef HAVE_BROKEN_VISIBILITY_ATTRIBUTE
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/* Define if the compiler doesn't support __attribute__ ((alias (...)))
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together with __asm__ redirection properly. */
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#undef HAVE_BROKEN_ALIAS_ATTRIBUTE
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/* Define if _rtld_local structure should be forced into .sdata section. */
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#undef HAVE_SDATA_SECTION
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/* Define if binutils support TLS handling. */
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#undef HAVE_TLS_SUPPORT
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/* Define if the linker supports .preinit_array/.init_array/.fini_array
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sections. */
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#undef HAVE_INITFINI_ARRAY
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/* Define if the access to static and hidden variables is position independent
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and does not need relocations. */
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#undef PI_STATIC_AND_HIDDEN
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/* Define this to disable the `hidden_proto' et al macros in
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include/libc-symbols.h that avoid PLT slots in the shared objects. */
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#undef NO_HIDDEN
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/* Defined to some form of __attribute__ ((...)) if the compiler supports
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a different, more efficient calling convention. */
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#if defined USE_REGPARMS && !defined PROF && !defined __BOUNDED_POINTERS__
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# define internal_function __attribute__ ((regparm (3), stdcall))
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#endif
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/* Linux specific: minimum supported kernel version. */
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#undef __LINUX_KERNEL_VERSION
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/* Override abi-tags ABI version if necessary. */
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#undef __ABI_TAG_VERSION
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/* An extension in gcc 2.96 and up allows the subtraction of two
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local labels. */
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#undef HAVE_SUBTRACT_LOCAL_LABELS
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/* bash 2.0 introduced the _XXX_GNU_nonoption_argv_flags_ variable to help
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getopt determine whether a parameter is a flag or not. This features
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was disabled later since it caused trouble. We are by default therefore
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disabling the support as well. */
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#undef USE_NONOPTION_FLAGS
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/* Mach/Hurd specific: define if mig supports the `retcode' keyword. */
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#undef HAVE_MIG_RETCODE
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/* Mach specific: define if the `host_page_size' RPC is available. */
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#undef HAVE_HOST_PAGE_SIZE
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/* Mach/i386 specific: define if the `i386_io_perm_*' RPCs are available. */
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#undef HAVE_I386_IO_PERM_MODIFY
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/* Mach/i386 specific: define if the `i386_set_gdt' RPC is available. */
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#undef HAVE_I386_SET_GDT
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/*
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*/
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#ifndef _LIBC
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/* These symbols might be defined by some sysdeps configures.
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They are used only in miscellaneous generator programs, not
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in compiling libc itself. */
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/* sysdeps/generic/configure.in */
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#undef HAVE_PSIGNAL
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/* sysdeps/unix/configure.in */
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#undef HAVE_STRERROR
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/* sysdeps/unix/common/configure.in */
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#undef HAVE_SYS_SIGLIST
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#undef HAVE__SYS_SIGLIST
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#undef HAVE__CTYPE_
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#undef HAVE___CTYPE_
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#undef HAVE___CTYPE
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#undef HAVE__CTYPE__
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#undef HAVE__CTYPE
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#undef HAVE__LOCP
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#endif
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/*
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*/
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#ifdef _LIBC
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/* The zic and zdump programs need these definitions. */
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#define HAVE_STRERROR 1
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/* The locale code needs these definitions. */
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#define HAVE_REGEX 1
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#endif
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