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Cleanup definitions of libc-related target hooks. 

* config/bfin/uclinux.h, config/c6x/uclinux-elf.h,
	* config/lm32/uclinux-elf.h, config/m68k/uclinux.h,
	* config/moxie/uclinux.h (TARGET_LIBC_HAS_FUNCTION): Move definitions
	to linux.h.
	* config/linux-android.h (TARGET_HAS_IFUNC_P): Move definition
	to linux.h.
	* config/linux.h (TARGET_LIBC_HAS_FUNCTION, TARGET_HAS_IFUNC_P):
	Define appropriately for Linux and uClinux targets.

From-SVN: r205780
This commit is contained in:
Maxim Kuvyrkov 2013-12-07 08:47:21 +00:00 committed by Maxim Kuvyrkov
parent cc0c3bf9a4
commit 3e9310f489
8 changed files with 45 additions and 17 deletions
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11
gcc/ChangeLog
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@ -1,3 +1,14 @@
2013-12-07 Maxim Kuvyrkov <maxim@kugelworks.com>
* config/bfin/uclinux.h, config/c6x/uclinux-elf.h,
* config/lm32/uclinux-elf.h, config/m68k/uclinux.h,
* config/moxie/uclinux.h (TARGET_LIBC_HAS_FUNCTION): Move definitions
to linux.h.
* config/linux-android.h (TARGET_HAS_IFUNC_P): Move definition
to linux.h.
* config/linux.h (TARGET_LIBC_HAS_FUNCTION, TARGET_HAS_IFUNC_P):
Define appropriately for Linux and uClinux targets.
2013-12-07 Maxim Kuvyrkov <maxim@kugelworks.com>
* config/linux.c (linux_has_ifunc_p): Use correct test.

3
gcc/config/bfin/uclinux.h
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@ -36,6 +36,3 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define TARGET_SUPPORTS_SYNC_CALLS 1
#define SUBTARGET_FDPIC_NOT_SUPPORTED
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function

3
gcc/config/c6x/uclinux-elf.h
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@ -61,6 +61,3 @@
: "=a" (_beg) \
: "0" (_beg), "b" (_end), "b" (_scno)); \
}
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function

3
gcc/config/linux-android.h
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@ -57,6 +57,3 @@
#define ANDROID_ENDFILE_SPEC \
"%{shared: crtend_so%O%s;: crtend_android%O%s}"
#undef TARGET_HAS_IFUNC_P
#define TARGET_HAS_IFUNC_P linux_has_ifunc_p

28
gcc/config/linux.h
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@ -99,7 +99,31 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#undef TARGET_HAS_BIONIC
#define TARGET_HAS_BIONIC (OPTION_BIONIC)
#if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */
/* This is a *uclinux* target. We don't define below macros to normal linux
versions, because doing so would require *uclinux* targets to include
linux.c, linux-protos.h, linux.opt, etc. We could, alternatively, add
these files to *uclinux* targets, but that would only pollute option list
(add -mglibc, etc.) without adding any useful support. */
/* Define TARGET_LIBC_HAS_FUNCTION for *uclinux* targets to
no_c99_libc_has_function, because uclibc does not, normally, have
c99 runtime. If, in special cases, uclibc does have c99 runtime,
this should be defined to a new hook. Also please note that for targets
like *-linux-uclibc that similar check will also need to be added to
linux_libc_has_function. */
# undef TARGET_LIBC_HAS_FUNCTION
# define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
#else /* !uClinux, i.e., normal Linux */
/* IFUNCs are supportted by glibc, but not by uClibc or Bionic. */
# undef TARGET_HAS_IFUNC_P
# define TARGET_HAS_IFUNC_P linux_has_ifunc_p
/* Determine what functions are present at the runtime;
this includes full c99 runtime and sincos. */
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION linux_libc_has_function
# undef TARGET_LIBC_HAS_FUNCTION
# define TARGET_LIBC_HAS_FUNCTION linux_libc_has_function
#endif

3
gcc/config/lm32/uclinux-elf.h
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@ -76,6 +76,3 @@
#undef CC1_SPEC
#define CC1_SPEC "%{G*} %{!fno-PIC:-fPIC}"
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function

3
gcc/config/m68k/uclinux.h
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@ -67,6 +67,3 @@ along with GCC; see the file COPYING3. If not see
sections. */
#undef M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P
#define M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P 1
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function

8
gcc/config/moxie/uclinux.h
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@ -32,3 +32,11 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#undef TARGET_LIBC_HAS_FUNCTION
#define TARGET_LIBC_HAS_FUNCTION no_c99_libc_has_function
/* Like the definition in gcc.c, but for purposes of uClinux, every link is
static. */
#define MFWRAP_SPEC " %{fmudflap|fmudflapth: \
--wrap=malloc --wrap=free --wrap=calloc --wrap=realloc\
--wrap=mmap --wrap=munmap --wrap=alloca\
%{fmudflapth: --wrap=pthread_create\
}} %{fmudflap|fmudflapth: --wrap=main}"