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This separates the 32-bit sysv/linux/bsd code from the 64-bit linux

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code, and makes it possible to link code compiled with different
options to those used to compile libffi.  For example, a
-mlong-double-128 libffi can be used with -mlong-double-64 code.

Using the return value area as a place to pass parameters wasn't such
a good idea, causing a failure of cls_ulonglong.c.  I didn't see this
when running the mainline gcc libffi testsuite because that version of
the test is inferior to the upstreamm libffi test.

Using NUM_FPR_ARG_REGISTERS rather than NUM_FPR_ARG_REGISTERS64 meant
that a parameter save area could be allocated before it was strictly
necessary.  Wrong but harmless.  Found when splitting apart ffi.c
into 32-bit and 64-bit support.
This commit is contained in:
Alan Modra
2013-11-21 06:12:35 -05:00
committed by Anthony Green
parent 69df91cfb4
commit ab79d6e219
21 changed files with 2193 additions and 1777 deletions
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19
Makefile.in
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@@ -97,10 +97,10 @@ target_triplet = @target@
@MOXIE_TRUE@am__append_15 = src/moxie/ffi.c src/moxie/eabi.S
@MICROBLAZE_TRUE@am__append_16 = src/microblaze/ffi.c src/microblaze/sysv.S
@NIOS2_TRUE@am__append_17 = src/nios2/sysv.S src/nios2/ffi.c
@POWERPC_TRUE@am__append_18 = src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S src/powerpc/linux64.S src/powerpc/linux64_closure.S
@POWERPC_TRUE@am__append_18 = src/powerpc/ffi.c src/powerpc/ffi_sysv.c src/powerpc/ffi_linux64.c src/powerpc/sysv.S src/powerpc/ppc_closure.S src/powerpc/linux64.S src/powerpc/linux64_closure.S
@POWERPC_AIX_TRUE@am__append_19 = src/powerpc/ffi_darwin.c src/powerpc/aix.S src/powerpc/aix_closure.S
@POWERPC_DARWIN_TRUE@am__append_20 = src/powerpc/ffi_darwin.c src/powerpc/darwin.S src/powerpc/darwin_closure.S
@POWERPC_FREEBSD_TRUE@am__append_21 = src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
@POWERPC_FREEBSD_TRUE@am__append_21 = src/powerpc/ffi.c src/powerpc/ffi_sysv.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
@AARCH64_TRUE@am__append_22 = src/aarch64/sysv.S src/aarch64/ffi.c
@ARC_TRUE@am__append_23 = src/arc/arcompact.S src/arc/ffi.c
@ARM_TRUE@am__append_24 = src/arm/sysv.S src/arm/ffi.c
@@ -203,7 +203,9 @@ am_libffi_la_OBJECTS = src/prep_cif.lo src/types.lo src/raw_api.lo \
@MICROBLAZE_TRUE@am__objects_16 = src/microblaze/ffi.lo \
@MICROBLAZE_TRUE@ src/microblaze/sysv.lo
@NIOS2_TRUE@am__objects_17 = src/nios2/sysv.lo src/nios2/ffi.lo
@POWERPC_TRUE@am__objects_18 = src/powerpc/ffi.lo src/powerpc/sysv.lo \
@POWERPC_TRUE@am__objects_18 = src/powerpc/ffi.lo \
@POWERPC_TRUE@ src/powerpc/ffi_sysv.lo \
@POWERPC_TRUE@ src/powerpc/ffi_linux64.lo src/powerpc/sysv.lo \
@POWERPC_TRUE@ src/powerpc/ppc_closure.lo \
@POWERPC_TRUE@ src/powerpc/linux64.lo \
@POWERPC_TRUE@ src/powerpc/linux64_closure.lo
@@ -214,6 +216,7 @@ am_libffi_la_OBJECTS = src/prep_cif.lo src/types.lo src/raw_api.lo \
@POWERPC_DARWIN_TRUE@ src/powerpc/darwin.lo \
@POWERPC_DARWIN_TRUE@ src/powerpc/darwin_closure.lo
@POWERPC_FREEBSD_TRUE@am__objects_21 = src/powerpc/ffi.lo \
@POWERPC_FREEBSD_TRUE@ src/powerpc/ffi_sysv.lo \
@POWERPC_FREEBSD_TRUE@ src/powerpc/sysv.lo \
@POWERPC_FREEBSD_TRUE@ src/powerpc/ppc_closure.lo
@AARCH64_TRUE@am__objects_22 = src/aarch64/sysv.lo src/aarch64/ffi.lo
@@ -484,6 +487,7 @@ FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
FGREP = @FGREP@
GREP = @GREP@
HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
HAVE_LONG_DOUBLE_VARIANT = @HAVE_LONG_DOUBLE_VARIANT@
INSTALL = @INSTALL@
INSTALL_DATA = @INSTALL_DATA@
INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -605,7 +609,8 @@ EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host \
src/microblaze/ffi.c src/microblaze/sysv.S \
src/microblaze/ffitarget.h \
src/nios2/ffi.c src/nios2/ffitarget.h src/nios2/sysv.S \
src/powerpc/ffi.c \
src/powerpc/ffi.c src/powerpc/ffi_powerpc.h \
src/powerpc/ffi_sysv.c src/powerpc/ffi_linux64.c \
src/powerpc/sysv.S src/powerpc/linux64.S \
src/powerpc/linux64_closure.S src/powerpc/ppc_closure.S \
src/powerpc/asm.h src/powerpc/aix.S src/powerpc/darwin.S \
@@ -961,6 +966,10 @@ src/powerpc/$(DEPDIR)/$(am__dirstamp):
@: > src/powerpc/$(DEPDIR)/$(am__dirstamp)
src/powerpc/ffi.lo: src/powerpc/$(am__dirstamp) \
src/powerpc/$(DEPDIR)/$(am__dirstamp)
src/powerpc/ffi_sysv.lo: src/powerpc/$(am__dirstamp) \
src/powerpc/$(DEPDIR)/$(am__dirstamp)
src/powerpc/ffi_linux64.lo: src/powerpc/$(am__dirstamp) \
src/powerpc/$(DEPDIR)/$(am__dirstamp)
src/powerpc/sysv.lo: src/powerpc/$(am__dirstamp) \
src/powerpc/$(DEPDIR)/$(am__dirstamp)
src/powerpc/ppc_closure.lo: src/powerpc/$(am__dirstamp) \
@@ -1243,6 +1252,8 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/darwin_closure.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi_darwin.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi_linux64.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi_sysv.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/linux64.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/linux64_closure.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ppc_closure.Plo@am__quote@