intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 1129 insertions, 0 deletions

diff --git a/contrib/restricted/libffi/src/x86/sysv.S b/contrib/restricted/libffi/src/x86/sysv.S
new file mode 100644
index 0000000000..7c9598c93c
--- /dev/null
+++ b/contrib/restricted/libffi/src/x86/sysv.S
@@ -0,0 +1,1129 @@
+/* -----------------------------------------------------------------------
+   sysv.S - Copyright (c) 2017  Anthony Green
+          - Copyright (c) 2013  The Written Word, Inc.
+          - Copyright (c) 1996,1998,2001-2003,2005,2008,2010  Red Hat, Inc.
+   
+   X86 Foreign Function Interface 
+
+   Permission is hereby granted, free of charge, to any person obtaining
+   a copy of this software and associated documentation files (the
+   ``Software''), to deal in the Software without restriction, including
+   without limitation the rights to use, copy, modify, merge, publish,
+   distribute, sublicense, and/or sell copies of the Software, and to
+   permit persons to whom the Software is furnished to do so, subject to
+   the following conditions:
+
+   The above copyright notice and this permission notice shall be included
+   in all copies or substantial portions of the Software.
+
+   THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
+   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+   NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+   DEALINGS IN THE SOFTWARE.
+   ----------------------------------------------------------------------- */
+
+#ifdef __i386__
+#ifndef _MSC_VER
+
+#define LIBFFI_ASM	
+#include <fficonfig.h>
+#include <ffi.h>
+#include "internal.h"
+
+#define C2(X, Y)  X ## Y
+#define C1(X, Y)  C2(X, Y)
+#ifdef __USER_LABEL_PREFIX__
+# define C(X)     C1(__USER_LABEL_PREFIX__, X)
+#else
+# define C(X)     X
+#endif
+
+#ifdef X86_DARWIN
+# define L(X)     C1(L, X)
+#else
+# define L(X)     C1(.L, X)
+#endif
+
+#ifdef __ELF__
+# define ENDF(X)  .type	X,@function; .size X, . - X
+#else
+# define ENDF(X)
+#endif
+
+/* Handle win32 fastcall name mangling.  */
+#ifdef X86_WIN32
+# define ffi_call_i386		@ffi_call_i386@8
+# define ffi_closure_inner	@ffi_closure_inner@8
+#else
+# define ffi_call_i386		C(ffi_call_i386)
+# define ffi_closure_inner	C(ffi_closure_inner)
+#endif
+
+/* This macro allows the safe creation of jump tables without an
+   actual table.  The entry points into the table are all 8 bytes.
+   The use of ORG asserts that we're at the correct location.  */
+/* ??? The clang assembler doesn't handle .org with symbolic expressions.  */
+#if defined(__clang__) || defined(__APPLE__) || (defined (__sun__) && defined(__svr4__))
+# define E(BASE, X)	.balign 8
+#else
+# define E(BASE, X)	.balign 8; .org BASE + X * 8
+#endif
+
+	.text
+	.balign	16
+	.globl	ffi_call_i386
+	FFI_HIDDEN(ffi_call_i386)
+
+/* This is declared as
+
+   void ffi_call_i386(struct call_frame *frame, char *argp)
+        __attribute__((fastcall));
+
+   Thus the arguments are present in
+
+        ecx: frame
+        edx: argp
+*/
+
+ffi_call_i386:
+L(UW0):
+	# cfi_startproc
+#if !HAVE_FASTCALL
+	movl	4(%esp), %ecx
+	movl	8(%esp), %edx
+#endif
+	movl	(%esp), %eax		/* move the return address */
+	movl	%ebp, (%ecx)		/* store %ebp into local frame */
+	movl	%eax, 4(%ecx)		/* store retaddr into local frame */
+
+	/* New stack frame based off ebp.  This is a itty bit of unwind
+	   trickery in that the CFA *has* changed.  There is no easy way
+	   to describe it correctly on entry to the function.  Fortunately,
+	   it doesn't matter too much since at all points we can correctly
+	   unwind back to ffi_call.  Note that the location to which we
+	   moved the return address is (the new) CFA-4, so from the
+	   perspective of the unwind info, it hasn't moved.  */
+	movl	%ecx, %ebp
+L(UW1):
+	# cfi_def_cfa(%ebp, 8)
+	# cfi_rel_offset(%ebp, 0)
+
+	movl	%edx, %esp		/* set outgoing argument stack */
+	movl	20+R_EAX*4(%ebp), %eax	/* set register arguments */
+	movl	20+R_EDX*4(%ebp), %edx
+	movl	20+R_ECX*4(%ebp), %ecx
+
+	call	*8(%ebp)
+
+	movl	12(%ebp), %ecx		/* load return type code */
+	movl	%ebx, 8(%ebp)		/* preserve %ebx */
+L(UW2):
+	# cfi_rel_offset(%ebx, 8)
+
+	andl	$X86_RET_TYPE_MASK, %ecx
+#ifdef __PIC__
+	call	C(__x86.get_pc_thunk.bx)
+L(pc1):
+	leal	L(store_table)-L(pc1)(%ebx, %ecx, 8), %ebx
+#else
+	leal	L(store_table)(,%ecx, 8), %ebx
+#endif
+	movl	16(%ebp), %ecx		/* load result address */
+	jmp	*%ebx
+
+	.balign	8
+L(store_table):
+E(L(store_table), X86_RET_FLOAT)
+	fstps	(%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_DOUBLE)
+	fstpl	(%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_LDOUBLE)
+	fstpt	(%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_SINT8)
+	movsbl	%al, %eax
+	mov	%eax, (%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_SINT16)
+	movswl	%ax, %eax
+	mov	%eax, (%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_UINT8)
+	movzbl	%al, %eax
+	mov	%eax, (%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_UINT16)
+	movzwl	%ax, %eax
+	mov	%eax, (%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_INT64)
+	movl	%edx, 4(%ecx)
+	/* fallthru */
+E(L(store_table), X86_RET_INT32)
+	movl	%eax, (%ecx)
+	/* fallthru */
+E(L(store_table), X86_RET_VOID)
+L(e1):
+	movl	8(%ebp), %ebx
+	movl	%ebp, %esp
+	popl	%ebp
+L(UW3):
+	# cfi_remember_state
+	# cfi_def_cfa(%esp, 4)
+	# cfi_restore(%ebx)
+	# cfi_restore(%ebp)
+	ret
+L(UW4):
+	# cfi_restore_state
+
+E(L(store_table), X86_RET_STRUCTPOP)
+	jmp	L(e1)
+E(L(store_table), X86_RET_STRUCTARG)
+	jmp	L(e1)
+E(L(store_table), X86_RET_STRUCT_1B)
+	movb	%al, (%ecx)
+	jmp	L(e1)
+E(L(store_table), X86_RET_STRUCT_2B)
+	movw	%ax, (%ecx)
+	jmp	L(e1)
+
+	/* Fill out the table so that bad values are predictable.  */
+E(L(store_table), X86_RET_UNUSED14)
+	ud2
+E(L(store_table), X86_RET_UNUSED15)
+	ud2
+
+L(UW5):
+	# cfi_endproc
+ENDF(ffi_call_i386)
+
+/* The inner helper is declared as
+
+   void ffi_closure_inner(struct closure_frame *frame, char *argp)
+	__attribute_((fastcall))
+
+   Thus the arguments are placed in
+
+	ecx:	frame
+	edx:	argp
+*/
+
+/* Macros to help setting up the closure_data structure.  */
+
+#if HAVE_FASTCALL
+# define closure_FS	(40 + 4)
+# define closure_CF	0
+#else
+# define closure_FS	(8 + 40 + 12)
+# define closure_CF	8
+#endif
+
+#define FFI_CLOSURE_SAVE_REGS		\
+	movl	%eax, closure_CF+16+R_EAX*4(%esp);	\
+	movl	%edx, closure_CF+16+R_EDX*4(%esp);	\
+	movl	%ecx, closure_CF+16+R_ECX*4(%esp)
+
+#define FFI_CLOSURE_COPY_TRAMP_DATA					\
+	movl	FFI_TRAMPOLINE_SIZE(%eax), %edx;	/* copy cif */	\
+	movl	FFI_TRAMPOLINE_SIZE+4(%eax), %ecx;	/* copy fun */	\
+	movl	FFI_TRAMPOLINE_SIZE+8(%eax), %eax;	/* copy user_data */ \
+	movl	%edx, closure_CF+28(%esp);				\
+	movl	%ecx, closure_CF+32(%esp);				\
+	movl	%eax, closure_CF+36(%esp)
+
+#if HAVE_FASTCALL
+# define FFI_CLOSURE_PREP_CALL						\
+	movl	%esp, %ecx;			/* load closure_data */	\
+	leal	closure_FS+4(%esp), %edx;	/* load incoming stack */
+#else
+# define FFI_CLOSURE_PREP_CALL						\
+	leal	closure_CF(%esp), %ecx;		/* load closure_data */	\
+	leal	closure_FS+4(%esp), %edx;	/* load incoming stack */ \
+	movl	%ecx, (%esp);						\
+	movl	%edx, 4(%esp)
+#endif
+
+#define FFI_CLOSURE_CALL_INNER(UWN) \
+	call	ffi_closure_inner
+
+#define FFI_CLOSURE_MASK_AND_JUMP(N, UW)				\
+	andl	$X86_RET_TYPE_MASK, %eax;				\
+	leal	L(C1(load_table,N))(, %eax, 8), %edx;			\
+	movl	closure_CF(%esp), %eax;		/* optimiztic load */	\
+	jmp	*%edx
+
+#ifdef __PIC__
+# if defined X86_DARWIN || defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+#  undef FFI_CLOSURE_MASK_AND_JUMP
+#  define FFI_CLOSURE_MASK_AND_JUMP(N, UW)				\
+	andl	$X86_RET_TYPE_MASK, %eax;				\
+	call	C(__x86.get_pc_thunk.dx);				\
+L(C1(pc,N)):								\
+	leal	L(C1(load_table,N))-L(C1(pc,N))(%edx, %eax, 8), %edx;	\
+	movl	closure_CF(%esp), %eax;		/* optimiztic load */	\
+	jmp	*%edx
+# else
+#  define FFI_CLOSURE_CALL_INNER_SAVE_EBX
+#  undef FFI_CLOSURE_CALL_INNER
+#  define FFI_CLOSURE_CALL_INNER(UWN)					\
+	movl	%ebx, 40(%esp);			/* save ebx */		\
+L(C1(UW,UWN)):								\
+	/* cfi_rel_offset(%ebx, 40); */					\
+	call	C(__x86.get_pc_thunk.bx);	/* load got register */	\
+	addl	$C(_GLOBAL_OFFSET_TABLE_), %ebx;			\
+	call	ffi_closure_inner@PLT
+#  undef FFI_CLOSURE_MASK_AND_JUMP
+#  define FFI_CLOSURE_MASK_AND_JUMP(N, UWN)				\
+	andl	$X86_RET_TYPE_MASK, %eax;				\
+	leal	L(C1(load_table,N))@GOTOFF(%ebx, %eax, 8), %edx;	\
+	movl	40(%esp), %ebx;			/* restore ebx */	\
+L(C1(UW,UWN)):								\
+	/* cfi_restore(%ebx); */					\
+	movl	closure_CF(%esp), %eax;		/* optimiztic load */	\
+	jmp	*%edx
+# endif /* DARWIN || HIDDEN */
+#endif /* __PIC__ */
+
+	.balign	16
+	.globl	C(ffi_go_closure_EAX)
+	FFI_HIDDEN(C(ffi_go_closure_EAX))
+C(ffi_go_closure_EAX):
+L(UW6):
+	# cfi_startproc
+	subl	$closure_FS, %esp
+L(UW7):
+	# cfi_def_cfa_offset(closure_FS + 4)
+	FFI_CLOSURE_SAVE_REGS
+	movl	4(%eax), %edx			/* copy cif */
+	movl	8(%eax), %ecx			/* copy fun */
+	movl	%edx, closure_CF+28(%esp)
+	movl	%ecx, closure_CF+32(%esp)
+	movl	%eax, closure_CF+36(%esp)	/* closure is user_data */
+	jmp	L(do_closure_i386)
+L(UW8):
+	# cfi_endproc
+ENDF(C(ffi_go_closure_EAX))
+
+	.balign	16
+	.globl	C(ffi_go_closure_ECX)
+	FFI_HIDDEN(C(ffi_go_closure_ECX))
+C(ffi_go_closure_ECX):
+L(UW9):
+	# cfi_startproc
+	subl	$closure_FS, %esp
+L(UW10):
+	# cfi_def_cfa_offset(closure_FS + 4)
+	FFI_CLOSURE_SAVE_REGS
+	movl	4(%ecx), %edx			/* copy cif */
+	movl	8(%ecx), %eax			/* copy fun */
+	movl	%edx, closure_CF+28(%esp)
+	movl	%eax, closure_CF+32(%esp)
+	movl	%ecx, closure_CF+36(%esp)	/* closure is user_data */
+	jmp	L(do_closure_i386)
+L(UW11):
+	# cfi_endproc
+ENDF(C(ffi_go_closure_ECX))
+
+/* The closure entry points are reached from the ffi_closure trampoline.
+   On entry, %eax contains the address of the ffi_closure.  */
+
+	.balign	16
+	.globl	C(ffi_closure_i386)
+	FFI_HIDDEN(C(ffi_closure_i386))
+
+C(ffi_closure_i386):
+L(UW12):
+	# cfi_startproc
+	subl	$closure_FS, %esp
+L(UW13):
+	# cfi_def_cfa_offset(closure_FS + 4)
+
+	FFI_CLOSURE_SAVE_REGS
+	FFI_CLOSURE_COPY_TRAMP_DATA
+
+	/* Entry point from preceeding Go closures.  */
+L(do_closure_i386):
+
+	FFI_CLOSURE_PREP_CALL
+	FFI_CLOSURE_CALL_INNER(14)
+	FFI_CLOSURE_MASK_AND_JUMP(2, 15)
+
+	.balign	8
+L(load_table2):
+E(L(load_table2), X86_RET_FLOAT)
+	flds	closure_CF(%esp)
+	jmp	L(e2)
+E(L(load_table2), X86_RET_DOUBLE)
+	fldl	closure_CF(%esp)
+	jmp	L(e2)
+E(L(load_table2), X86_RET_LDOUBLE)
+	fldt	closure_CF(%esp)
+	jmp	L(e2)
+E(L(load_table2), X86_RET_SINT8)
+	movsbl	%al, %eax
+	jmp	L(e2)
+E(L(load_table2), X86_RET_SINT16)
+	movswl	%ax, %eax
+	jmp	L(e2)
+E(L(load_table2), X86_RET_UINT8)
+	movzbl	%al, %eax
+	jmp	L(e2)
+E(L(load_table2), X86_RET_UINT16)
+	movzwl	%ax, %eax
+	jmp	L(e2)
+E(L(load_table2), X86_RET_INT64)
+	movl	closure_CF+4(%esp), %edx
+	jmp	L(e2)
+E(L(load_table2), X86_RET_INT32)
+	nop
+	/* fallthru */
+E(L(load_table2), X86_RET_VOID)
+L(e2):
+	addl	$closure_FS, %esp
+L(UW16):
+	# cfi_adjust_cfa_offset(-closure_FS)
+	ret
+L(UW17):
+	# cfi_adjust_cfa_offset(closure_FS)
+E(L(load_table2), X86_RET_STRUCTPOP)
+	addl	$closure_FS, %esp
+L(UW18):
+	# cfi_adjust_cfa_offset(-closure_FS)
+	ret	$4
+L(UW19):
+	# cfi_adjust_cfa_offset(closure_FS)
+E(L(load_table2), X86_RET_STRUCTARG)
+	jmp	L(e2)
+E(L(load_table2), X86_RET_STRUCT_1B)
+	movzbl	%al, %eax
+	jmp	L(e2)
+E(L(load_table2), X86_RET_STRUCT_2B)
+	movzwl	%ax, %eax
+	jmp	L(e2)
+
+	/* Fill out the table so that bad values are predictable.  */
+E(L(load_table2), X86_RET_UNUSED14)
+	ud2
+E(L(load_table2), X86_RET_UNUSED15)
+	ud2
+
+L(UW20):
+	# cfi_endproc
+ENDF(C(ffi_closure_i386))
+
+	.balign	16
+	.globl	C(ffi_go_closure_STDCALL)
+	FFI_HIDDEN(C(ffi_go_closure_STDCALL))
+C(ffi_go_closure_STDCALL):
+L(UW21):
+	# cfi_startproc
+	subl	$closure_FS, %esp
+L(UW22):
+	# cfi_def_cfa_offset(closure_FS + 4)
+	FFI_CLOSURE_SAVE_REGS
+	movl	4(%ecx), %edx			/* copy cif */
+	movl	8(%ecx), %eax			/* copy fun */
+	movl	%edx, closure_CF+28(%esp)
+	movl	%eax, closure_CF+32(%esp)
+	movl	%ecx, closure_CF+36(%esp)	/* closure is user_data */
+	jmp	L(do_closure_STDCALL)
+L(UW23):
+	# cfi_endproc
+ENDF(C(ffi_go_closure_STDCALL))
+
+/* For REGISTER, we have no available parameter registers, and so we
+   enter here having pushed the closure onto the stack.  */
+
+	.balign	16
+	.globl	C(ffi_closure_REGISTER)
+	FFI_HIDDEN(C(ffi_closure_REGISTER))
+C(ffi_closure_REGISTER):
+L(UW24):
+	# cfi_startproc
+	# cfi_def_cfa(%esp, 8)
+	# cfi_offset(%eip, -8)
+	subl	$closure_FS-4, %esp
+L(UW25):
+	# cfi_def_cfa_offset(closure_FS + 4)
+	FFI_CLOSURE_SAVE_REGS
+	movl	closure_FS-4(%esp), %ecx	/* load retaddr */
+	movl	closure_FS(%esp), %eax		/* load closure */
+	movl	%ecx, closure_FS(%esp)		/* move retaddr */
+	jmp	L(do_closure_REGISTER)
+L(UW26):
+	# cfi_endproc
+ENDF(C(ffi_closure_REGISTER))
+
+/* For STDCALL (and others), we need to pop N bytes of arguments off
+   the stack following the closure.  The amount needing to be popped
+   is returned to us from ffi_closure_inner.  */
+
+	.balign	16
+	.globl	C(ffi_closure_STDCALL)
+	FFI_HIDDEN(C(ffi_closure_STDCALL))
+C(ffi_closure_STDCALL):
+L(UW27):
+	# cfi_startproc
+	subl	$closure_FS, %esp
+L(UW28):
+	# cfi_def_cfa_offset(closure_FS + 4)
+
+	FFI_CLOSURE_SAVE_REGS
+
+	/* Entry point from ffi_closure_REGISTER.  */
+L(do_closure_REGISTER):
+
+	FFI_CLOSURE_COPY_TRAMP_DATA
+
+	/* Entry point from preceeding Go closure.  */
+L(do_closure_STDCALL):
+
+	FFI_CLOSURE_PREP_CALL
+	FFI_CLOSURE_CALL_INNER(29)
+
+	movl	%eax, %ecx
+	shrl	$X86_RET_POP_SHIFT, %ecx	/* isolate pop count */
+	leal	closure_FS(%esp, %ecx), %ecx	/* compute popped esp */
+	movl	closure_FS(%esp), %edx		/* move return address */
+	movl	%edx, (%ecx)
+
+	/* From this point on, the value of %esp upon return is %ecx+4,
+	   and we've copied the return address to %ecx to make return easy.
+	   There's no point in representing this in the unwind info, as
+	   there is always a window between the mov and the ret which
+	   will be wrong from one point of view or another.  */
+
+	FFI_CLOSURE_MASK_AND_JUMP(3, 30)
+
+	.balign	8
+L(load_table3):
+E(L(load_table3), X86_RET_FLOAT)
+	flds    closure_CF(%esp)
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_DOUBLE)
+	fldl    closure_CF(%esp)
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_LDOUBLE)
+	fldt    closure_CF(%esp)
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_SINT8)
+	movsbl  %al, %eax
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_SINT16)
+	movswl  %ax, %eax
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_UINT8)
+	movzbl  %al, %eax
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_UINT16)
+	movzwl  %ax, %eax
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_INT64)
+	movl	closure_CF+4(%esp), %edx
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_INT32)
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_VOID)
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_STRUCTPOP)
+	movl    %ecx, %esp
+	ret
+E(L(load_table3), X86_RET_STRUCTARG)
+	movl	%ecx, %esp
+	ret
+E(L(load_table3), X86_RET_STRUCT_1B)
+	movzbl	%al, %eax
+	movl	%ecx, %esp
+	ret
+E(L(load_table3), X86_RET_STRUCT_2B)
+	movzwl	%ax, %eax
+	movl	%ecx, %esp
+	ret
+
+	/* Fill out the table so that bad values are predictable.  */
+E(L(load_table3), X86_RET_UNUSED14)
+	ud2
+E(L(load_table3), X86_RET_UNUSED15)
+	ud2
+
+L(UW31):
+	# cfi_endproc
+ENDF(C(ffi_closure_STDCALL))
+
+#if !FFI_NO_RAW_API
+
+#define raw_closure_S_FS	(16+16+12)
+
+	.balign	16
+	.globl	C(ffi_closure_raw_SYSV)
+	FFI_HIDDEN(C(ffi_closure_raw_SYSV))
+C(ffi_closure_raw_SYSV):
+L(UW32):
+	# cfi_startproc
+	subl	$raw_closure_S_FS, %esp
+L(UW33):
+	# cfi_def_cfa_offset(raw_closure_S_FS + 4)
+	movl	%ebx, raw_closure_S_FS-4(%esp)
+L(UW34):
+	# cfi_rel_offset(%ebx, raw_closure_S_FS-4)
+
+	movl	FFI_TRAMPOLINE_SIZE+8(%eax), %edx	/* load cl->user_data */
+	movl	%edx, 12(%esp)
+	leal	raw_closure_S_FS+4(%esp), %edx		/* load raw_args */
+	movl	%edx, 8(%esp)
+	leal	16(%esp), %edx				/* load &res */
+	movl	%edx, 4(%esp)
+	movl	FFI_TRAMPOLINE_SIZE(%eax), %ebx		/* load cl->cif */
+	movl	%ebx, (%esp)
+	call	*FFI_TRAMPOLINE_SIZE+4(%eax)		/* call cl->fun */
+
+	movl	20(%ebx), %eax				/* load cif->flags */
+	andl	$X86_RET_TYPE_MASK, %eax
+#ifdef __PIC__
+	call	C(__x86.get_pc_thunk.bx)
+L(pc4):
+	leal	L(load_table4)-L(pc4)(%ebx, %eax, 8), %ecx
+#else
+	leal	L(load_table4)(,%eax, 8), %ecx
+#endif
+	movl	raw_closure_S_FS-4(%esp), %ebx
+L(UW35):
+	# cfi_restore(%ebx)
+	movl	16(%esp), %eax				/* Optimistic load */
+	jmp	*%ecx
+
+	.balign	8
+L(load_table4):
+E(L(load_table4), X86_RET_FLOAT)
+	flds	16(%esp)
+	jmp	L(e4)
+E(L(load_table4), X86_RET_DOUBLE)
+	fldl	16(%esp)
+	jmp	L(e4)
+E(L(load_table4), X86_RET_LDOUBLE)
+	fldt	16(%esp)
+	jmp	L(e4)
+E(L(load_table4), X86_RET_SINT8)
+	movsbl	%al, %eax
+	jmp	L(e4)
+E(L(load_table4), X86_RET_SINT16)
+	movswl	%ax, %eax
+	jmp	L(e4)
+E(L(load_table4), X86_RET_UINT8)
+	movzbl	%al, %eax
+	jmp	L(e4)
+E(L(load_table4), X86_RET_UINT16)
+	movzwl	%ax, %eax
+	jmp	L(e4)
+E(L(load_table4), X86_RET_INT64)
+	movl	16+4(%esp), %edx
+	jmp	L(e4)
+E(L(load_table4), X86_RET_INT32)
+	nop
+	/* fallthru */
+E(L(load_table4), X86_RET_VOID)
+L(e4):
+	addl	$raw_closure_S_FS, %esp
+L(UW36):
+	# cfi_adjust_cfa_offset(-raw_closure_S_FS)
+	ret
+L(UW37):
+	# cfi_adjust_cfa_offset(raw_closure_S_FS)
+E(L(load_table4), X86_RET_STRUCTPOP)
+	addl	$raw_closure_S_FS, %esp
+L(UW38):
+	# cfi_adjust_cfa_offset(-raw_closure_S_FS)
+	ret	$4
+L(UW39):
+	# cfi_adjust_cfa_offset(raw_closure_S_FS)
+E(L(load_table4), X86_RET_STRUCTARG)
+	jmp	L(e4)
+E(L(load_table4), X86_RET_STRUCT_1B)
+	movzbl	%al, %eax
+	jmp	L(e4)
+E(L(load_table4), X86_RET_STRUCT_2B)
+	movzwl	%ax, %eax
+	jmp	L(e4)
+
+	/* Fill out the table so that bad values are predictable.  */
+E(L(load_table4), X86_RET_UNUSED14)
+	ud2
+E(L(load_table4), X86_RET_UNUSED15)
+	ud2
+
+L(UW40):
+	# cfi_endproc
+ENDF(C(ffi_closure_raw_SYSV))
+
+#define raw_closure_T_FS	(16+16+8)
+
+	.balign	16
+	.globl	C(ffi_closure_raw_THISCALL)
+	FFI_HIDDEN(C(ffi_closure_raw_THISCALL))
+C(ffi_closure_raw_THISCALL):
+L(UW41):
+	# cfi_startproc
+	/* Rearrange the stack such that %ecx is the first argument.
+	   This means moving the return address.  */
+	popl	%edx
+L(UW42):
+	# cfi_def_cfa_offset(0)
+	# cfi_register(%eip, %edx)
+	pushl	%ecx
+L(UW43):
+	# cfi_adjust_cfa_offset(4)
+	pushl	%edx
+L(UW44):
+	# cfi_adjust_cfa_offset(4)
+	# cfi_rel_offset(%eip, 0)
+	subl	$raw_closure_T_FS, %esp
+L(UW45):
+	# cfi_adjust_cfa_offset(raw_closure_T_FS)
+	movl	%ebx, raw_closure_T_FS-4(%esp)
+L(UW46):
+	# cfi_rel_offset(%ebx, raw_closure_T_FS-4)
+
+	movl	FFI_TRAMPOLINE_SIZE+8(%eax), %edx	/* load cl->user_data */
+	movl	%edx, 12(%esp)
+	leal	raw_closure_T_FS+4(%esp), %edx		/* load raw_args */
+	movl	%edx, 8(%esp)
+	leal	16(%esp), %edx				/* load &res */
+	movl	%edx, 4(%esp)
+	movl	FFI_TRAMPOLINE_SIZE(%eax), %ebx		/* load cl->cif */
+	movl	%ebx, (%esp)
+	call	*FFI_TRAMPOLINE_SIZE+4(%eax)		/* call cl->fun */
+
+	movl	20(%ebx), %eax				/* load cif->flags */
+	andl	$X86_RET_TYPE_MASK, %eax
+#ifdef __PIC__
+	call	C(__x86.get_pc_thunk.bx)
+L(pc5):
+	leal	L(load_table5)-L(pc5)(%ebx, %eax, 8), %ecx
+#else
+	leal	L(load_table5)(,%eax, 8), %ecx
+#endif
+	movl	raw_closure_T_FS-4(%esp), %ebx
+L(UW47):
+	# cfi_restore(%ebx)
+	movl	16(%esp), %eax				/* Optimistic load */
+	jmp	*%ecx
+
+	.balign	8
+L(load_table5):
+E(L(load_table5), X86_RET_FLOAT)
+	flds	16(%esp)
+	jmp	L(e5)
+E(L(load_table5), X86_RET_DOUBLE)
+	fldl	16(%esp)
+	jmp	L(e5)
+E(L(load_table5), X86_RET_LDOUBLE)
+	fldt	16(%esp)
+	jmp	L(e5)
+E(L(load_table5), X86_RET_SINT8)
+	movsbl	%al, %eax
+	jmp	L(e5)
+E(L(load_table5), X86_RET_SINT16)
+	movswl	%ax, %eax
+	jmp	L(e5)
+E(L(load_table5), X86_RET_UINT8)
+	movzbl	%al, %eax
+	jmp	L(e5)
+E(L(load_table5), X86_RET_UINT16)
+	movzwl	%ax, %eax
+	jmp	L(e5)
+E(L(load_table5), X86_RET_INT64)
+	movl	16+4(%esp), %edx
+	jmp	L(e5)
+E(L(load_table5), X86_RET_INT32)
+	nop
+	/* fallthru */
+E(L(load_table5), X86_RET_VOID)
+L(e5):
+	addl	$raw_closure_T_FS, %esp
+L(UW48):
+	# cfi_adjust_cfa_offset(-raw_closure_T_FS)
+	/* Remove the extra %ecx argument we pushed.  */
+	ret	$4
+L(UW49):
+	# cfi_adjust_cfa_offset(raw_closure_T_FS)
+E(L(load_table5), X86_RET_STRUCTPOP)
+	addl	$raw_closure_T_FS, %esp
+L(UW50):
+	# cfi_adjust_cfa_offset(-raw_closure_T_FS)
+	ret	$8
+L(UW51):
+	# cfi_adjust_cfa_offset(raw_closure_T_FS)
+E(L(load_table5), X86_RET_STRUCTARG)
+	jmp	L(e5)
+E(L(load_table5), X86_RET_STRUCT_1B)
+	movzbl	%al, %eax
+	jmp	L(e5)
+E(L(load_table5), X86_RET_STRUCT_2B)
+	movzwl	%ax, %eax
+	jmp	L(e5)
+
+	/* Fill out the table so that bad values are predictable.  */
+E(L(load_table5), X86_RET_UNUSED14)
+	ud2
+E(L(load_table5), X86_RET_UNUSED15)
+	ud2
+
+L(UW52):
+	# cfi_endproc
+ENDF(C(ffi_closure_raw_THISCALL))
+
+#endif /* !FFI_NO_RAW_API */
+
+#ifdef X86_DARWIN
+# define COMDAT(X)							\
+        .section __TEXT,__text,coalesced,pure_instructions;		\
+        .weak_definition X;						\
+        FFI_HIDDEN(X)
+#elif defined __ELF__ && !(defined(__sun__) && defined(__svr4__))
+# define COMDAT(X)							\
+	.section .text.X,"axG",@progbits,X,comdat;			\
+	.globl	X;							\
+	FFI_HIDDEN(X)
+#else
+# define COMDAT(X)
+#endif
+
+#if defined(__PIC__)
+	COMDAT(C(__x86.get_pc_thunk.bx))
+C(__x86.get_pc_thunk.bx):
+	movl	(%esp), %ebx
+	ret
+ENDF(C(__x86.get_pc_thunk.bx))
+# if defined X86_DARWIN || defined HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
+	COMDAT(C(__x86.get_pc_thunk.dx))
+C(__x86.get_pc_thunk.dx):
+	movl	(%esp), %edx
+	ret
+ENDF(C(__x86.get_pc_thunk.dx))
+#endif /* DARWIN || HIDDEN */
+#endif /* __PIC__ */
+
+/* Sadly, OSX cctools-as doesn't understand .cfi directives at all.  */
+
+#ifdef __APPLE__
+.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
+EHFrame0:
+#elif defined(X86_WIN32)
+.section .eh_frame,"r"
+#elif defined(HAVE_AS_X86_64_UNWIND_SECTION_TYPE)
+.section .eh_frame,EH_FRAME_FLAGS,@unwind
+#else
+.section .eh_frame,EH_FRAME_FLAGS,@progbits
+#endif
+
+#ifdef HAVE_AS_X86_PCREL
+# define PCREL(X)	X - .
+#else
+# define PCREL(X)	X@rel
+#endif
+
+/* Simplify advancing between labels.  Assume DW_CFA_advance_loc1 fits.  */
+#define ADV(N, P)	.byte 2, L(N)-L(P)
+
+	.balign 4
+L(CIE):
+	.set	L(set0),L(ECIE)-L(SCIE)
+	.long	L(set0)			/* CIE Length */
+L(SCIE):
+	.long	0			/* CIE Identifier Tag */
+	.byte	1			/* CIE Version */
+	.ascii	"zR\0"			/* CIE Augmentation */
+	.byte	1			/* CIE Code Alignment Factor */
+	.byte	0x7c			/* CIE Data Alignment Factor */
+	.byte	0x8			/* CIE RA Column */
+	.byte	1			/* Augmentation size */
+	.byte	0x1b			/* FDE Encoding (pcrel sdata4) */
+	.byte	0xc, 4, 4		/* DW_CFA_def_cfa, %esp offset 4 */
+	.byte	0x80+8, 1		/* DW_CFA_offset, %eip offset 1*-4 */
+	.balign 4
+L(ECIE):
+
+	.set	L(set1),L(EFDE1)-L(SFDE1)
+	.long	L(set1)			/* FDE Length */
+L(SFDE1):
+	.long	L(SFDE1)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW0))		/* Initial location */
+	.long	L(UW5)-L(UW0)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW1, UW0)
+	.byte	0xc, 5, 8		/* DW_CFA_def_cfa, %ebp 8 */
+	.byte	0x80+5, 2		/* DW_CFA_offset, %ebp 2*-4 */
+	ADV(UW2, UW1)
+	.byte	0x80+3, 0		/* DW_CFA_offset, %ebx 0*-4 */
+	ADV(UW3, UW2)
+	.byte	0xa			/* DW_CFA_remember_state */
+	.byte	0xc, 4, 4		/* DW_CFA_def_cfa, %esp 4 */
+	.byte	0xc0+3			/* DW_CFA_restore, %ebx */
+	.byte	0xc0+5			/* DW_CFA_restore, %ebp */
+	ADV(UW4, UW3)
+	.byte	0xb			/* DW_CFA_restore_state */
+	.balign	4
+L(EFDE1):
+
+	.set	L(set2),L(EFDE2)-L(SFDE2)
+	.long	L(set2)			/* FDE Length */
+L(SFDE2):
+	.long	L(SFDE2)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW6))		/* Initial location */
+	.long	L(UW8)-L(UW6)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW7, UW6)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+	.balign	4
+L(EFDE2):
+
+	.set	L(set3),L(EFDE3)-L(SFDE3)
+	.long	L(set3)			/* FDE Length */
+L(SFDE3):
+	.long	L(SFDE3)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW9))		/* Initial location */
+	.long	L(UW11)-L(UW9)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW10, UW9)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+	.balign	4
+L(EFDE3):
+
+	.set	L(set4),L(EFDE4)-L(SFDE4)
+	.long	L(set4)			/* FDE Length */
+L(SFDE4):
+	.long	L(SFDE4)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW12))		/* Initial location */
+	.long	L(UW20)-L(UW12)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW13, UW12)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+#ifdef FFI_CLOSURE_CALL_INNER_SAVE_EBX
+	ADV(UW14, UW13)
+	.byte	0x80+3, (40-(closure_FS+4))/-4  /* DW_CFA_offset %ebx */
+	ADV(UW15, UW14)
+	.byte	0xc0+3			/* DW_CFA_restore %ebx */
+	ADV(UW16, UW15)
+#else
+	ADV(UW16, UW13)
+#endif
+	.byte	0xe, 4			/* DW_CFA_def_cfa_offset */
+	ADV(UW17, UW16)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+	ADV(UW18, UW17)
+	.byte	0xe, 4			/* DW_CFA_def_cfa_offset */
+	ADV(UW19, UW18)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+	.balign	4
+L(EFDE4):
+
+	.set	L(set5),L(EFDE5)-L(SFDE5)
+	.long	L(set5)			/* FDE Length */
+L(SFDE5):
+	.long	L(SFDE5)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW21))		/* Initial location */
+	.long	L(UW23)-L(UW21)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW22, UW21)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+	.balign	4
+L(EFDE5):
+
+	.set	L(set6),L(EFDE6)-L(SFDE6)
+	.long	L(set6)			/* FDE Length */
+L(SFDE6):
+	.long	L(SFDE6)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW24))		/* Initial location */
+	.long	L(UW26)-L(UW24)		/* Address range */
+	.byte	0			/* Augmentation size */
+	.byte	0xe, 8			/* DW_CFA_def_cfa_offset */
+	.byte	0x80+8, 2		/* DW_CFA_offset %eip, 2*-4 */
+	ADV(UW25, UW24)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+	.balign	4
+L(EFDE6):
+
+	.set	L(set7),L(EFDE7)-L(SFDE7)
+	.long	L(set7)			/* FDE Length */
+L(SFDE7):
+	.long	L(SFDE7)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW27))		/* Initial location */
+	.long	L(UW31)-L(UW27)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW28, UW27)
+	.byte	0xe, closure_FS+4	/* DW_CFA_def_cfa_offset */
+#ifdef FFI_CLOSURE_CALL_INNER_SAVE_EBX
+	ADV(UW29, UW28)
+	.byte	0x80+3, (40-(closure_FS+4))/-4  /* DW_CFA_offset %ebx */
+	ADV(UW30, UW29)
+	.byte	0xc0+3			/* DW_CFA_restore %ebx */
+#endif
+	.balign	4
+L(EFDE7):
+
+#if !FFI_NO_RAW_API
+	.set	L(set8),L(EFDE8)-L(SFDE8)
+	.long	L(set8)			/* FDE Length */
+L(SFDE8):
+	.long	L(SFDE8)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW32))		/* Initial location */
+	.long	L(UW40)-L(UW32)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW33, UW32)
+	.byte	0xe, raw_closure_S_FS+4	/* DW_CFA_def_cfa_offset */
+	ADV(UW34, UW33)
+	.byte	0x80+3, 2		/* DW_CFA_offset %ebx 2*-4 */
+	ADV(UW35, UW34)
+	.byte	0xc0+3			/* DW_CFA_restore %ebx */
+	ADV(UW36, UW35)
+	.byte	0xe, 4			/* DW_CFA_def_cfa_offset */
+	ADV(UW37, UW36)
+	.byte	0xe, raw_closure_S_FS+4	/* DW_CFA_def_cfa_offset */
+	ADV(UW38, UW37)
+	.byte	0xe, 4			/* DW_CFA_def_cfa_offset */
+	ADV(UW39, UW38)
+	.byte	0xe, raw_closure_S_FS+4	/* DW_CFA_def_cfa_offset */
+	.balign	4
+L(EFDE8):
+
+	.set	L(set9),L(EFDE9)-L(SFDE9)
+	.long	L(set9)			/* FDE Length */
+L(SFDE9):
+	.long	L(SFDE9)-L(CIE)		/* FDE CIE offset */
+	.long	PCREL(L(UW41))		/* Initial location */
+	.long	L(UW52)-L(UW41)		/* Address range */
+	.byte	0			/* Augmentation size */
+	ADV(UW42, UW41)
+	.byte	0xe, 0			/* DW_CFA_def_cfa_offset */
+	.byte	0x9, 8, 2		/* DW_CFA_register %eip, %edx */
+	ADV(UW43, UW42)
+	.byte	0xe, 4			/* DW_CFA_def_cfa_offset */
+	ADV(UW44, UW43)
+	.byte	0xe, 8			/* DW_CFA_def_cfa_offset */
+	.byte	0x80+8, 2		/* DW_CFA_offset %eip 2*-4 */
+	ADV(UW45, UW44)
+	.byte	0xe, raw_closure_T_FS+8	/* DW_CFA_def_cfa_offset */
+	ADV(UW46, UW45)
+	.byte	0x80+3, 3		/* DW_CFA_offset %ebx 3*-4 */
+	ADV(UW47, UW46)
+	.byte	0xc0+3			/* DW_CFA_restore %ebx */
+	ADV(UW48, UW47)
+	.byte	0xe, 8			/* DW_CFA_def_cfa_offset */
+	ADV(UW49, UW48)
+	.byte	0xe, raw_closure_T_FS+8	/* DW_CFA_def_cfa_offset */
+	ADV(UW50, UW49)
+	.byte	0xe, 8			/* DW_CFA_def_cfa_offset */
+	ADV(UW51, UW50)
+	.byte	0xe, raw_closure_T_FS+8	/* DW_CFA_def_cfa_offset */
+	.balign	4
+L(EFDE9):
+#endif /* !FFI_NO_RAW_API */
+
+#ifdef _WIN32
+	.def	 @feat.00;
+	.scl	3;
+	.type	0;
+	.endef
+	.globl	@feat.00
+@feat.00 = 1
+#endif
+
+#ifdef __APPLE__
+    .subsections_via_symbols
+    .section __LD,__compact_unwind,regular,debug
+
+    /* compact unwind for ffi_call_i386 */
+    .long    C(ffi_call_i386)
+    .set     L1,L(UW5)-L(UW0)
+    .long    L1
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_go_closure_EAX */
+    .long    C(ffi_go_closure_EAX)
+    .set     L2,L(UW8)-L(UW6)
+    .long    L2
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_go_closure_ECX */
+    .long    C(ffi_go_closure_ECX)
+    .set     L3,L(UW11)-L(UW9)
+    .long    L3
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_closure_i386 */
+    .long    C(ffi_closure_i386)
+    .set     L4,L(UW20)-L(UW12)
+    .long    L4
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_go_closure_STDCALL */
+    .long    C(ffi_go_closure_STDCALL)
+    .set     L5,L(UW23)-L(UW21)
+    .long    L5
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_closure_REGISTER */
+    .long    C(ffi_closure_REGISTER)
+    .set     L6,L(UW26)-L(UW24)
+    .long    L6
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_closure_STDCALL */
+    .long    C(ffi_closure_STDCALL)
+    .set     L7,L(UW31)-L(UW27)
+    .long    L7
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_closure_raw_SYSV */
+    .long    C(ffi_closure_raw_SYSV)
+    .set     L8,L(UW40)-L(UW32)
+    .long    L8
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+
+    /* compact unwind for ffi_closure_raw_THISCALL */
+    .long    C(ffi_closure_raw_THISCALL)
+    .set     L9,L(UW52)-L(UW41)
+    .long    L9
+    .long    0x04000000 /* use dwarf unwind info */
+    .long    0
+    .long    0
+#endif /* __APPLE__ */
+
+#endif /* ifndef _MSC_VER */
+#endif /* ifdef __i386__ */
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif