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https://sourceware.org/git/glibc.git
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ce6e047fbb
2004-07-05 Ulrich Drepper <drepper@redhat.com> * elf/dl-init.c: Don't define and use _dl_starting_up if HAVE_INLINED_SYSCALLS is defined and the variable is not used. * elf/dl-support.c: Likewise. * elf/rtld.c: Likewise. * elf/dl-misc.c (_dl_debug_vdprintf): Use writev syscall directly if HAVE_INLINED_SYSCALLS is defined. * sysdeps/powerpc/powerpc64/dl-machine.h: Don't rest _dl_starting_up here. * sysdeps/powerpc/powerpc32/dl-start.S: Likewise. * sysdeps/unix/sysv/linux/configure.in: Define HAVE_INLINED_SYSCALLS. * config.h.in: Add entry for HAVE_INLINED_SYSCALLS. * sysdeps/posix/profil.c: If compiled for ld.so, omit code which is needed to stop profiling. * elf/dl-open.c (dl_open_worker): If a newly opened object is to be profile make sure it cannot be unloaded. * sysdeps/unix/sysv/linux/dl-origin.c: Inline readlink syscall. * sysdeps/unix/sysv/linux/fcntl.c: If compiled without cancellation support, make sure the helper function is inlined. * sysdeps/unix/sysv/linux/pread.c: Likewise. * sysdeps/unix/sysv/linux/pwrite.c: Likewise. * sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/fcntl.c: Likewise.
255 lines
7.5 KiB
C
255 lines
7.5 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 if CFI directives are available. */
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#undef HAVE_ASM_CFI_DIRECTIVES
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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 the assembler generates debugging information directly. */
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#undef HAVE_CPP_ASM_DEBUGINFO
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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 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 __asm () on built-in function's prototype causes redirection of
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the builtin. */
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#undef HAVE_BUILTIN_REDIRECTION
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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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/* Defined on SPARC if ld doesn't handle R_SPARC_WDISP22 against .hidden
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symbol. sysdeps/sparc/sparc32/elf/configure. */
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#undef BROKEN_SPARC_WDISP22
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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 compiler's exception support is based on libunwind. */
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#undef HAVE_CC_WITH_LIBUNWIND
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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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/* Defined if forced unwind support is available. */
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#undef HAVE_FORCED_UNWIND
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/* Defined if the linker supports the -z relro option. */
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#undef HAVE_Z_RELRO
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/* Defined of libidn is available. */
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#undef HAVE_LIBIDN
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/* Define if inlined system calls are available. */
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#undef HAVE_INLINED_SYSCALLS
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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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