Add support for Bionic C library
Add support for Bionic C library gcc/ * config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define macro. (DEFAULT_LIBC): New tm_define macro set to one of LIBC_*. (bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update. * config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define. (LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC. (CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier to support multiple C libraries. Handle Bionic. (BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,) (BIONIC_DYNAMIC_LINKER64): Define. (LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Update. (TARGET_HAS_SINCOS): Enable for Bionic. * config/linux.opt: Rewrite to handle more than 2 C libraries. Make the last option specified on command line take effect. (linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC. (mbionic): New. (mglibc, muclibc): Update. * config/alpha/linux-elf.h, config/rs6000/linux64.h, * config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use DEFAULT_LIBC. * doc/invoke.texi (-mglibc, -muclibc): Update. (-mbionic): Document. gcc/testsuite/ * gcc.dg/glibc-uclibc-1.c, gcc.dg/glibc-uclibc-2.c: Remove, no longer necessary. From-SVN: r159917
This commit is contained in:
Maxim Kuvyrkov
Maxim Kuvyrkov
parent
3ef0694cb1
commit
74c7025321
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@ -1,3 +1,35 @@
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2010-05-27 Maxim Kuvyrkov <maxim@codesourcery.com>
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Add support for Bionic C library
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* config.gcc (LIBC_GLIBC, LIBC_BIONIC, LIBC_UCLIBC): New tm_define
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macro.
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(DEFAULT_LIBC): New tm_define macro set to one of LIBC_*.
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(bfin*-uclinux, moxie-*-uclinux*, m68k-*-uclinux*): Update.
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* config/linux.h (OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC): Define.
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(LINUX_TARGET_OS_CPP_BUILTINS): Define __gnu_linux__ only for GLIBC.
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(CHOOSE_DYNAMIC_LINKER1, CHOOSE_DYNAMIC_LINKER): Make it easier
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to support multiple C libraries. Handle Bionic.
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(BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,)
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(BIONIC_DYNAMIC_LINKER64): Define.
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(LINUX_DYNAMIC_LINKER, LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64):
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Update.
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(TARGET_HAS_SINCOS): Enable for Bionic.
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* config/linux.opt: Rewrite to handle more than 2 C libraries. Make
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the last option specified on command line take effect.
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(linux_uclibc): Rename to linux_libc, initialize using DEFAULT_LIBC.
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(mbionic): New.
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(mglibc, muclibc): Update.
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* config/alpha/linux-elf.h, config/rs6000/linux64.h,
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* config/rs6000/sysv4.h (CHOOSE_DYNAMIC_LINKER): Update to use
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DEFAULT_LIBC.
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* doc/invoke.texi (-mglibc, -muclibc): Update.
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(-mbionic): Document.
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2010-05-27 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
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* c-common.h (c_register_addr_space): Add prototype.
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@ -508,23 +508,29 @@ case ${target} in
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*-*-gnu*)
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tmake_file="$tmake_file t-gnu";;
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esac
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# glibc / uclibc switch. uclibc isn't usable for GNU/Hurd and neither for
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# GNU/k*BSD.
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# Common C libraries.
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tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
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# glibc / uclibc / bionic switch.
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# uclibc and bionic aren't usable for GNU/Hurd and neither for GNU/k*BSD.
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case $target in
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*linux*)
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extra_options="$extra_options linux.opt";;
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*)
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tm_defines="$tm_defines OPTION_GLIBC=1";;
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esac
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case ${target} in
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case $target in
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*-*-*android*)
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tm_defines="$tm_defines DEFAULT_LIBC=LIBC_BIONIC"
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;;
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*-*-*uclibc*)
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tm_defines="${tm_defines} UCLIBC_DEFAULT=1"
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tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
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;;
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*)
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tm_defines="${tm_defines} UCLIBC_DEFAULT=0"
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tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
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;;
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esac
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# Assume that glibc or uClibc are being used and so __cxa_atexit is provided.
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# Assume that glibc or uClibc or Bionic are being used and so __cxa_atexit
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# is provided.
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default_use_cxa_atexit=yes
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use_gcc_tgmath=no
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use_gcc_stdint=wrap
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@ -826,7 +832,7 @@ bfin*-elf*)
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bfin*-uclinux*)
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tm_file="${tm_file} dbxelf.h elfos.h bfin/elf.h linux.h glibc-stdint.h bfin/uclinux.h"
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tmake_file=bfin/t-bfin-uclinux
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tm_defines="${tm_defines} UCLIBC_DEFAULT=1"
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tm_defines="${tm_defines} DEFAULT_LIBC=LIBC_UCLIBC"
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extra_options="${extra_options} linux.opt"
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use_collect2=no
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;;
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@ -907,7 +913,7 @@ moxie-*-uclinux*)
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tm_file="dbxelf.h elfos.h svr4.h ${tm_file} linux.h glibc-stdint.h moxie/uclinux.h"
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extra_parts="crti.o crtn.o crtbegin.o crtend.o"
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tmake_file="${tmake_file} moxie/t-moxie moxie/t-moxie-softfp soft-fp/t-softfp"
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tm_defines="${tm_defines} UCLIBC_DEFAULT=1"
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tm_defines="${tm_defines} DEFAULT_LIBC=LIBC_UCLIBC"
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extra_options="${extra_options} linux.opt"
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;;
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h8300-*-rtems*)
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@ -1632,7 +1638,7 @@ m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux
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default_m68k_cpu=68020
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default_cf_cpu=5206
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tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h glibc-stdint.h flat.h m68k/linux.h m68k/uclinux.h ./sysroot-suffix.h"
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tm_defines="${tm_defines} MOTOROLA=1 UCLIBC_DEFAULT=1"
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tm_defines="${tm_defines} MOTOROLA=1 DEFAULT_LIBC=LIBC_UCLIBC"
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extra_options="${extra_options} linux.opt"
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tmake_file="m68k/t-floatlib m68k/t-uclinux m68k/t-mlibs"
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;;
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@ -29,10 +29,12 @@ along with GCC; see the file COPYING3. If not see
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#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
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#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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#if UCLIBC_DEFAULT
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
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#if DEFAULT_LIBC == LIBC_UCLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
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#elif DEFAULT_LIBC == LIBC_GLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
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#else
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
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#error "Unsupported DEFAULT_LIBC"
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#endif
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#define LINUX_DYNAMIC_LINKER \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
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@ -1,6 +1,6 @@
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/* Definitions for Linux-based GNU systems with ELF format
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006,
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2007, 2009 Free Software Foundation, Inc.
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2007, 2009, 2010 Free Software Foundation, Inc.
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Contributed by Eric Youngdale.
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Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org).
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@ -78,9 +78,15 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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%{shared:-lc} \
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%{!shared:%{mieee-fp:-lieee} %{profile:-lc_p}%{!profile:-lc}}"
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/* C libraries supported on Linux. */
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#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
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#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
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#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
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#define LINUX_TARGET_OS_CPP_BUILTINS() \
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do { \
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builtin_define ("__gnu_linux__"); \
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if (OPTION_GLIBC) \
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builtin_define ("__gnu_linux__"); \
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builtin_define_std ("linux"); \
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builtin_define_std ("unix"); \
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builtin_assert ("system=linux"); \
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@ -105,13 +111,24 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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#endif
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/* Determine which dynamic linker to use depending on whether GLIBC or
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uClibc is the default C library and whether -muclibc or -mglibc has
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been passed to change the default. */
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#if UCLIBC_DEFAULT
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
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uClibc or Bionic is the default C library and whether
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-muclibc or -mglibc or -mbionic has been passed to change the default. */
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#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \
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"%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
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#if DEFAULT_LIBC == LIBC_GLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
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CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
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#elif DEFAULT_LIBC == LIBC_UCLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
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CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
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#elif DEFAULT_LIBC == LIBC_BIONIC
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#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
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CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
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#else
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
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#endif
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#error "Unsupported DEFAULT_LIBC"
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#endif /* DEFAULT_LIBC */
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/* For most targets the following definitions suffice;
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GLIBC_DYNAMIC_LINKER must be defined for each target using them, or
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#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
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#define LINUX_DYNAMIC_LINKER \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
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#define LINUX_DYNAMIC_LINKER32 \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
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#define LINUX_DYNAMIC_LINKER64 \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
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#define BIONIC_DYNAMIC_LINKER "/system/bin/linker"
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#define BIONIC_DYNAMIC_LINKER32 "/system/bin/linker"
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#define BIONIC_DYNAMIC_LINKER64 "/system/bin/linker64"
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#define LINUX_DYNAMIC_LINKER \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
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BIONIC_DYNAMIC_LINKER)
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#define LINUX_DYNAMIC_LINKER32 \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
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BIONIC_DYNAMIC_LINKER32)
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#define LINUX_DYNAMIC_LINKER64 \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
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BIONIC_DYNAMIC_LINKER64)
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/* Determine whether the entire c99 runtime
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is present in the runtime library. */
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#define TARGET_C99_FUNCTIONS (OPTION_GLIBC)
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/* Whether we have sincos that follows the GNU extension. */
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#define TARGET_HAS_SINCOS (OPTION_GLIBC)
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#define TARGET_HAS_SINCOS (OPTION_GLIBC | OPTION_BIONIC)
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#define TARGET_POSIX_IO
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@ -1,6 +1,6 @@
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; Processor-independent options for GNU/Linux.
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;
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; Copyright (C) 2006, 2007, 2009 Free Software Foundation, Inc.
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; Copyright (C) 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
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; Contributed by CodeSourcery.
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;
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; This file is part of GCC.
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@ -19,10 +19,14 @@
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; along with GCC; see the file COPYING3. If not see
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; <http://www.gnu.org/licenses/>.
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mbionic
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Target Report RejectNegative Var(linux_libc,LIBC_BIONIC) Init(DEFAULT_LIBC) Negative(mglibc)
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Use Bionic C library
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mglibc
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Target RejectNegative Report InverseMask(UCLIBC, GLIBC) Var(linux_uclibc) Init(UCLIBC_DEFAULT ? OPTION_MASK_UCLIBC : 0)
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Use GNU libc instead of uClibc
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Target Report RejectNegative Var(linux_libc,LIBC_GLIBC) VarExists Negative(muclibc)
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Use GNU C library
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muclibc
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Target RejectNegative Report Mask(UCLIBC) Var(linux_uclibc) VarExists
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Use uClibc instead of GNU libc
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Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) VarExists Negative(mbionic)
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Use uClibc C library
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@ -352,10 +352,12 @@ extern int dot_symbols;
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#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld64.so.1"
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#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
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#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
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#if UCLIBC_DEFAULT
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
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#if DEFAULT_LIBC == LIBC_UCLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
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#elif DEFAULT_LIBC == LIBC_GLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
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#else
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
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#error "Unsupported DEFAULT_LIBC"
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#endif
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#define LINUX_DYNAMIC_LINKER32 \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
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@ -903,10 +903,12 @@ SVR4_ASM_SPEC \
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#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
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#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
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#if UCLIBC_DEFAULT
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:%{muclibc:%e-mglibc and -muclibc used together}" G ";:" U "}"
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#if DEFAULT_LIBC == LIBC_UCLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
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#elif DEFAULT_LIBC == LIBC_GLIBC
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
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#else
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#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:%{mglibc:%e-mglibc and -muclibc used together}" U ";:" G "}"
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#error "Unsupported DEFAULT_LIBC"
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#endif
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#define LINUX_DYNAMIC_LINKER \
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
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@ -11477,13 +11477,18 @@ These @samp{-m} options are defined for GNU/Linux targets:
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@table @gcctabopt
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@item -mglibc
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@opindex mglibc
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Use the GNU C library instead of uClibc. This is the default except
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on @samp{*-*-linux-*uclibc*} targets.
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Use the GNU C library. This is the default except
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on @samp{*-*-linux-*uclibc*} and @samp{*-*-linux-*android*} targets.
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@item -muclibc
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@opindex muclibc
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Use uClibc instead of the GNU C library. This is the default on
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Use uClibc C library. This is the default on
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@samp{*-*-linux-*uclibc*} targets.
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@item -mbionic
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@opindex mbionic
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Use Bionic C library. This is the default on
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@samp{*-*-linux-*android*} targets.
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@end table
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@node H8/300 Options
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@ -1,3 +1,8 @@
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2010-05-27 Maxim Kuvyrkov <maxim@codesourcery.com>
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* gcc.dg/glibc-uclibc-1.c, gcc.dg/glibc-uclibc-2.c: Remove, no longer
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necessary.
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2010-05-26 Jan Hubicka <jh@suse.cz>
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* gcc.dg/lto/materialize-1_0.c: New file.
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@ -1,6 +0,0 @@
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/* Test -mglibc and -muclibc not allowed together. */
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/* Origin: Joseph Myers <joseph@codesourcery.com> */
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/* { dg-do link { target *-*-linux* } } */
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/* { dg-options "-mglibc -muclibc" } */
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/* { dg-message "-mglibc and -muclibc used together" "" { target *-*-* } 0 } */
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@ -1,6 +0,0 @@
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/* Test -mglibc and -muclibc not allowed together. */
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/* Origin: Joseph Myers <joseph@codesourcery.com> */
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/* { dg-do link { target *-*-linux* } } */
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/* { dg-options "-muclibc -mglibc" } */
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/* { dg-message "-mglibc and -muclibc used together" "" { target *-*-* } 0 } */
|
||||
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Reference in New Issue