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sparc: Rewrite everything

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It's impossible to call between v8 and v9 ABIs, because of the stack bias
in the v9 ABI.  So let's not pretend it's just not implemented yet.  Split
the v9 code out to a separate file.

The register windows prevent ffi_call from setting up the entire stack
frame the assembly, but we needn't make an indirect call back to prep_args.
This commit is contained in:
Richard Henderson
2014-10-24 16:10:48 -07:00
parent 5d7b544505
commit 2b27890ba7
8 changed files with 1033 additions and 814 deletions
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4
Makefile.am
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@@ -36,7 +36,7 @@ EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj \
src/sh/ffi.c src/sh/sysv.S src/sh/ffitarget.h src/sh64/ffi.c \
src/sh64/sysv.S src/sh64/ffitarget.h src/sparc/v8.S \
src/sparc/v9.S src/sparc/ffitarget.h src/sparc/ffi.c \
src/x86/darwin64.S src/x86/ffi.c src/x86/sysv.S \
src/sparc/ffi64.c src/x86/darwin64.S src/x86/ffi.c src/x86/sysv.S \
src/x86/darwin.S src/x86/ffiw64.c src/x86/win64.S \
src/x86/ffi64.c src/x86/unix64.S \
src/x86/ffitarget.h src/pa/ffitarget.h src/pa/ffi.c \
@@ -141,7 +141,7 @@ if X86_DARWIN
nodist_libffi_la_SOURCES += src/x86/ffi.c src/x86/darwin.S src/x86/ffi64.c src/x86/darwin64.S
endif
if SPARC
nodist_libffi_la_SOURCES += src/sparc/ffi.c src/sparc/v8.S src/sparc/v9.S
nodist_libffi_la_SOURCES += src/sparc/ffi.c src/sparc/ffi64.c src/sparc/v8.S src/sparc/v9.S
endif
if ALPHA
nodist_libffi_la_SOURCES += src/alpha/ffi.c src/alpha/osf.S