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git://sourceware.org/git/glibc.git
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Support building bits/syscall.h for any number of subarch variants.
This commit is contained in:
Joseph Myers
parent
16c6f99208
commit
154bfc1622
28
ChangeLog
28
ChangeLog
@ -1,3 +1,31 @@
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2011-12-22 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/unix/sysv/linux/Makefile (syscall-list-variants)
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(syscall-list-default-options, syscall-list-default-condition)
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(syscall-list-includes): Define.
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($(objpfx)syscall-%.h $(objpfx)syscall-%.d): Support arbitrary
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list of ABIs and options and #if conditions for each ABI. Do not
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handle common syscalls between ABIs specially.
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* sysdeps/unix/sysv/linux/powerpc/Makefile (64bit-predefine):
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Remove.
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(syscall-list-variants, syscall-list-32bit-options)
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(syscall-list-32bit-condition, syscall-list-64bit-options)
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(syscall-list-64bit-condition): Define.
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* sysdeps/unix/sysv/linux/s390/Makefile (64bit-predefine): Remove.
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(syscall-list-variants, syscall-list-32bit-options)
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(syscall-list-32bit-condition, syscall-list-64bit-options)
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(syscall-list-64bit-condition): Define.
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* sysdeps/unix/sysv/linux/sparc/Makefile (64bit-predefine):
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Remove.
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(syscall-list-variants, syscall-list-32bit-options)
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(syscall-list-32bit-condition, syscall-list-64bit-options)
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(syscall-list-64bit-condition): Define.
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* sysdeps/unix/sysv/linux/x86_64/Makefile (64bit-predefine):
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Remove.
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(syscall-list-variants, syscall-list-32bit-options)
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(syscall-list-32bit-condition, syscall-list-64bit-options)
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(syscall-list-64bit-condition): Define.
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2011-12-22 Ulrich Drepper <drepper@gmail.com>
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* locale/iso-639.def: Add brx entry.
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@ -39,8 +39,27 @@ install-others += $(inst_includedir)/bits/syscall.h
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tests += tst-clone
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# Generate the list of SYS_* macros for the system calls (__NR_* macros).
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# For bi-arch platforms, the CPU/Makefile defines {32,64}bit-predefine and
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# we generate a file that uses <bits/wordsize.h>.
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# If there is more than one syscall list for different architecture
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# variants, the CPU/Makefile defines syscall-list-variants to be a
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# list of names for those variants (e.g. 32bit 64bit), and, for each
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# variant, defines syscall-list-$(variant)-options to be compiler
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# options to cause <asm/unistd.h> to define the desired list of
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# syscalls and syscall-list-$(variant)-condition to be the condition
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# for those options to use in a C #if condition.
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# syscall-list-includes may be defined to a list of headers to include
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# in the generated header, if the default does not suffice.
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ifndef syscall-list-variants
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syscall-list-variants := default
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syscall-list-default-options :=
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syscall-list-default-condition :=
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endif
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ifndef syscall-list-includes
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syscall-list-includes := bits/wordsize.h
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endif
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$(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h
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$(make-target-directory)
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{ \
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@ -50,37 +69,30 @@ $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscal
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echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
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echo '#endif'; \
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echo ''; \
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$(CC) -E -MD -MP -MF $(@:.h=.d)-t1 -MT '$(@:.d=.h) $(@:.h=.d)' \
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-x c $(sysincludes) $< $(addprefix -U,$(64bit-predefine)) \
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$(addprefix -D,$(32bit-predefine)) -D_LIBC -dM | \
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$(foreach h,$(syscall-list-includes), echo '#include <$(h)>';) \
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echo ''; \
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$(foreach v,$(syscall-list-variants),\
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$(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
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-x c $(sysincludes) $< $(syscall-list-$(v)-options) \
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-D_LIBC -dM | \
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sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
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LC_ALL=C sort > $(@:.d=.h).new32; \
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$(CC) -E -MD -MP -MF $(@:.h=.d)-t2 -MT '$(@:.d=.h) $(@:.h=.d)' \
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-x c $(sysincludes) $< $(addprefix -U,$(32bit-predefine)) \
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$(addprefix -D,$(64bit-predefine)) -D_LIBC -dM | \
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sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
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LC_ALL=C sort > $(@:.d=.h).new64; \
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if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \
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cat $(@:.d=.h).new32; \
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else \
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echo '#include <bits/wordsize.h>'; \
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echo ''; \
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LC_ALL=C comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \
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echo '#if __WORDSIZE == 64'; \
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LC_ALL=C comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \
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echo '#else'; \
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LC_ALL=C comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \
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echo '#endif'; \
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fi; \
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rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \
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LC_ALL=C sort > $(@:.d=.h).new$(v); \
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$(if $(syscall-list-$(v)-condition),\
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echo '#if $(syscall-list-$(v)-condition)';) \
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cat $(@:.d=.h).new$(v); \
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$(if $(syscall-list-$(v)-condition),echo '#endif';) \
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rm -f $(@:.d=.h).new$(v); \
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) \
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} > $(@:.d=.h).new
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mv -f $(@:.d=.h).new $(@:.d=.h)
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ifneq (,$(objpfx))
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sed $(sed-remove-objpfx) $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
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sed $(sed-remove-objpfx) \
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$(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
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else
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cat $(@:.h=.d)-t1 $(@:.h=.d)-t2 > $(@:.h=.d)-t3
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cat $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) \
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> $(@:.h=.d)-t3
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endif
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rm -f $(@:.h=.d)-t1 $(@:.h=.d)-t2
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rm -f $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v))
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mv -f $(@:.h=.d)-t3 $(@:.h=.d)
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$(inst_includedir)/bits/syscall.h: $(objpfx)syscall-list.h $(+force)
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@ -1,4 +1,9 @@
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64bit-predefine = __powerpc64__
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syscall-list-variants := 32bit 64bit
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syscall-list-32bit-options := -U__powerpc64__
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syscall-list-32bit-condition := __WORDSIZE == 32
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syscall-list-64bit-options := -D__powerpc64__
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syscall-list-64bit-condition := __WORDSIZE == 64
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ifeq ($(subdir),rt)
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librt-routines += rt-sysdep
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endif
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@ -1,4 +1,9 @@
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64bit-predefine = __s390x__
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syscall-list-variants := 32bit 64bit
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syscall-list-32bit-options := -U__s390x__
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syscall-list-32bit-condition := __WORDSIZE == 32
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syscall-list-64bit-options := -D__s390x__
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syscall-list-64bit-condition := __WORDSIZE == 64
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ifeq ($(subdir),rt)
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librt-routines += rt-sysdep
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endif
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@ -1,4 +1,8 @@
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64bit-predefine = __sparc_v9__ __arch64__
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syscall-list-variants := 32bit 64bit
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syscall-list-32bit-options := -U__sparc_v9__ -U__arch64__
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syscall-list-32bit-condition := __WORDSIZE == 32
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syscall-list-64bit-options := -D__sparc_v9__ -D__arch64__
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syscall-list-64bit-condition := __WORDSIZE == 64
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ifeq ($(subdir),rt)
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librt-routines += rt-sysdep
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@ -1,5 +1,8 @@
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32bit-predefine = __i386__
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64bit-predefine = __x86_64__
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syscall-list-variants := 32bit 64bit
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syscall-list-32bit-options := -D__i386__ -U__x86_64__
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syscall-list-32bit-condition := __WORDSIZE == 32
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syscall-list-64bit-options := -U__i386__ -D__x86_64__
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syscall-list-64bit-condition := __WORDSIZE == 64
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ifeq ($(subdir),misc)
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sysdep_routines += ioperm iopl
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