[ctypes-commit] ctypes/source/libffi/src/powerpc aix.S,1.1.2.2,1.1.2.3 aix_closure.S,1.1.2.2,1.1.2.3 asm.h,1.1.2.2,1.1.2.3 darwin.S,1.1.2.2,1.1.2.3 darwin_closure.S,1.1.2.2,1.1.2.3 ffi.c,1.1.2.2,1.1.2.3 ffi_darwin.c,1.1.2.2,1.1.2.3 linux64.S,1.1.2.2,1.1.2.3 linux64_closure.S,1.1.2.2,1.1.2.3

[Thomas H. <th...@us...>]

Update of /cvsroot/ctypes/ctypes/source/libffi/src/powerpc
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28311/src/powerpc

Added Files:
      Tag: branch_1_0
	aix.S aix_closure.S asm.h darwin.S darwin_closure.S ffi.c 
	ffi_darwin.c linux64.S linux64_closure.S 
Log Message:
Hm, somehow pcl-cvs managed to first add, then remove the files again ;-(


--- NEW FILE: aix.S ---
/* -----------------------------------------------------------------------
   aix.S - Copyright (c) 2002 Free Software Foundation, Inc.
   based on darwin.S by John Hornkvist

   PowerPC Assembly glue.

   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 AUTHOR 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.
   ----------------------------------------------------------------------- */

	.set r0,0
	.set r1,1
	.set r2,2
	.set r3,3
	.set r4,4
	.set r5,5
	.set r6,6
	.set r7,7
	.set r8,8
	.set r9,9
	.set r10,10
	.set r11,11
	.set r12,12
	.set r13,13
	.set r14,14
	.set r15,15
	.set r16,16
	.set r17,17
	.set r18,18
	.set r19,19
	.set r20,20
	.set r21,21
	.set r22,22
	.set r23,23
	.set r24,24
	.set r25,25
	.set r26,26
	.set r27,27
	.set r28,28
	.set r29,29
	.set r30,30
	.set r31,31
	.set f0,0
	.set f1,1
	.set f2,2
	.set f3,3
	.set f4,4
	.set f5,5
	.set f6,6
	.set f7,7
	.set f8,8
	.set f9,9
	.set f10,10
	.set f11,11
	.set f12,12
	.set f13,13
	.set f14,14
	.set f15,15
	.set f16,16
	.set f17,17
	.set f18,18
	.set f19,19
	.set f20,20
	.set f21,21

#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#define JUMPTARGET(name) name
#define L(x) x
	.file "aix.S"
	.toc
	.csect .text[PR]
	.align 2
.globl ffi_prep_args

.csect .text[PR]
	.align 2
	.globl ffi_call_AIX
	.globl .ffi_call_AIX
.csect ffi_call_AIX[DS]
ffi_call_AIX:
	.long .ffi_call_AIX, TOC[tc0], 0
	.csect .text[PR]
.ffi_call_AIX:
	mr      r12,r8 // We only need r12 until the call, so it doesn't have to be saved...
	/* Save the old stack pointer as AP.  */
	mr	r8,r1

	/* Allocate the stack space we need.  */
	stwux	r1,r1,r4

	/* Save registers we use.  */
	mflr	r9

	stw	r28,-16(r8)
	stw	r29,-12(r8)
	stw	r30, -8(r8)
	stw	r31, -4(r8)

	stw	r9,  8(r8)
	stw	r2, 20(r1)

	/* Save arguments over call...  */
	mr	r31,r5	/* flags, */
	mr	r30,r6	/* rvalue, */
	mr	r29,r7	/* function address, */
	mr	r28,r8	/* our AP. */

	/* Call ffi_prep_args.  */
	mr	r4,r1
	li	r9,0

	lwz	r2,4(r12)
	lwz	r12,0(r12)
	mtctr	r12 // r12 holds address of _ffi_prep_args
	bctrl
	lwz     r2,20(r1)

	/* Now do the call.  */
	lwz	r12,0(r29)
	/* Set up cr1 with bits 4-7 of the flags.  */
	mtcrf	0x40,r31
	stw	r2,20(r1)
	mtctr	r12
	lwz	r2,4(r29)
	/* Load all those argument registers.  */
	// We have set up a nice stack frame, just load it into registers.
	lwz     r3, 20+(1*4)(r1)
	lwz     r4, 20+(2*4)(r1)
	lwz     r5, 20+(3*4)(r1)
	lwz     r6, 20+(4*4)(r1)
	nop
	lwz     r7, 20+(5*4)(r1)
	lwz     r8, 20+(6*4)(r1)
	lwz     r9, 20+(7*4)(r1)
	lwz     r10,20+(8*4)(r1)

L1:
	/* Load all the FP registers.  */
	bf	6,L2 // 2f + 0x18
	lfd	f1,-16-(13*8)(r28)
	lfd	f2,-16-(12*8)(r28)
	lfd	f3,-16-(11*8)(r28)
	lfd	f4,-16-(10*8)(r28)
	nop
	lfd	f5,-16-(9*8)(r28)
	lfd	f6,-16-(8*8)(r28)
	lfd	f7,-16-(7*8)(r28)
	lfd	f8,-16-(6*8)(r28)
	nop
	lfd     f9,-16-(5*8)(r28)
	lfd     f10,-16-(4*8)(r28)
	lfd     f11,-16-(3*8)(r28)
	lfd     f12,-16-(2*8)(r28)
	nop
	lfd     f13,-16-(1*8)(r28)

L2:
	/* Make the call.  */
	bctrl
	lwz r2,20(r1)

	/* Now, deal with the return value.  */
	mtcrf	0x01,r31

	bt	30,L(done_return_value)
	bt	29,L(fp_return_value)
	stw	r3,0(r30)
	bf	28,L(done_return_value)
	stw	r4,4(r30)

	/* Fall through...  */

L(done_return_value):
	/* Restore the registers we used and return.  */
	lwz	r9,   8(r28)
	lwz	r31,  -4(r28)
	mtlr	r9
	lwz	r30, -8(r28)
	lwz	r29,-12(r28)
	lwz	r28,-16(r28)
	lwz	r1,0(r1)
	blr

L(fp_return_value):
	bf	28,L(float_return_value)
	stfd	f1,0(r30)
	b	L(done_return_value)
L(float_return_value):
	stfs	f1,0(r30)
	b	L(done_return_value)
	.long 0
	.byte 0,0,0,1,128,4,0,0
//END(ffi_call_AIX)

.csect .text[PR]
	.align 2
	.globl ffi_call_DARWIN
	.globl .ffi_call_DARWIN
.csect ffi_call_DARWIN[DS]
ffi_call_DARWIN:
	.long .ffi_call_DARWIN, TOC[tc0], 0
	.csect .text[PR]
.ffi_call_DARWIN:
	blr
	.long 0
	.byte 0,0,0,0,0,0,0,0
//END(ffi_call_DARWIN)

--- NEW FILE: ffi_darwin.c ---
/* -----------------------------------------------------------------------
   ffi.c - Copyright (c) 1998 Geoffrey Keating

   PowerPC Foreign Function Interface

   Darwin ABI support (c) 2001 John Hornkvist
   AIX ABI support (c) 2002 Free Software Foundation, Inc.

   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 AUTHOR 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.
   ----------------------------------------------------------------------- */

#include <ffi.h>
#include <ffi_common.h>

#include <stdlib.h>

extern void ffi_closure_ASM(void);

enum {
  /* The assembly depends on these exact flags.  */
  FLAG_RETURNS_NOTHING  = 1 << (31-30), /* These go in cr7  */
  FLAG_RETURNS_FP       = 1 << (31-29),
  FLAG_RETURNS_64BITS   = 1 << (31-28),
  FLAG_RETURNS_128BITS  = 1 << (31-31),

  FLAG_ARG_NEEDS_COPY   = 1 << (31- 7),
  FLAG_FP_ARGUMENTS     = 1 << (31- 6), /* cr1.eq; specified by ABI  */
  FLAG_4_GPR_ARGUMENTS  = 1 << (31- 5),
  FLAG_RETVAL_REFERENCE = 1 << (31- 4)
};

/* About the DARWIN ABI.  */
enum {
  NUM_GPR_ARG_REGISTERS = 8,
  NUM_FPR_ARG_REGISTERS = 13
};
enum { ASM_NEEDS_REGISTERS = 4 };

/* ffi_prep_args is called by the assembly routine once stack space
   has been allocated for the function's arguments.

   The stack layout we want looks like this:

   |   Return address from ffi_call_DARWIN      |	higher addresses
   |--------------------------------------------|
   |   Previous backchain pointer	4	|	stack pointer here
   |--------------------------------------------|<+ <<<	on entry to
   |   Saved r28-r31			4*4	| |	ffi_call_DARWIN
   |--------------------------------------------| |
   |   Parameters             (at least 8*4=32) | |
   |--------------------------------------------| |
   |   Space for GPR2                   4       | |
   |--------------------------------------------| |	stack	|
   |   Reserved                       2*4       | |	grows	|
   |--------------------------------------------| |	down	V
   |   Space for callee's LR		4	| |
   |--------------------------------------------| |	lower addresses
   |   Saved CR                         4       | |
   |--------------------------------------------| |     stack pointer here
   |   Current backchain pointer	4	|-/	during
   |--------------------------------------------|   <<<	ffi_call_DARWIN

   */

/*@-exportheader@*/
void ffi_prep_args(extended_cif *ecif, unsigned *const stack)
/*@=exportheader@*/
{
  const unsigned bytes = ecif->cif->bytes;
  const unsigned flags = ecif->cif->flags;

  /* 'stacktop' points at the previous backchain pointer.  */
  unsigned *const stacktop = stack + (bytes / sizeof(unsigned));

  /* 'fpr_base' points at the space for fpr1, and grows upwards as
     we use FPR registers.  */
  double *fpr_base = (double*) (stacktop - ASM_NEEDS_REGISTERS) - NUM_FPR_ARG_REGISTERS;
  int fparg_count = 0;


  /* 'next_arg' grows up as we put parameters in it.  */
  unsigned *next_arg = stack + 6; /* 6 reserved positions.  */

  int i = ecif->cif->nargs;
  double double_tmp;
  void **p_argv = ecif->avalue;
  unsigned gprvalue;
  ffi_type** ptr = ecif->cif->arg_types;
  char *dest_cpy;
  unsigned size_al = 0;

  /* Check that everything starts aligned properly.  */
  FFI_ASSERT(((unsigned)(char *)stack & 0xF) == 0);
  FFI_ASSERT(((unsigned)(char *)stacktop & 0xF) == 0);
  FFI_ASSERT((bytes & 0xF) == 0);

  /* Deal with return values that are actually pass-by-reference.
     Rule:
     Return values are referenced by r3, so r4 is the first parameter.  */

  if (flags & FLAG_RETVAL_REFERENCE)
    *next_arg++ = (unsigned)(char *)ecif->rvalue;

  /* Now for the arguments.  */
  for (;
       i > 0;
       i--, ptr++, p_argv++)
    {
      switch ((*ptr)->type)
	{
	/* If a floating-point parameter appears before all of the general-
	   purpose registers are filled, the corresponding GPRs that match
	   the size of the floating-point parameter are skipped.  */
	case FFI_TYPE_FLOAT:
	  double_tmp = *(float *)*p_argv;
	  if (fparg_count >= NUM_FPR_ARG_REGISTERS)
	    *(double *)next_arg = double_tmp;
	  else
	    *fpr_base++ = double_tmp;
	  next_arg++;
	  fparg_count++;
	  FFI_ASSERT(flags & FLAG_FP_ARGUMENTS);
	  break;

	case FFI_TYPE_DOUBLE:
	  double_tmp = *(double *)*p_argv;
	  if (fparg_count >= NUM_FPR_ARG_REGISTERS)
	    *(double *)next_arg = double_tmp;
	  else
	    *fpr_base++ = double_tmp;
	  next_arg += 2;
	  fparg_count++;
	  FFI_ASSERT(flags & FLAG_FP_ARGUMENTS);
	  break;

#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE

	case FFI_TYPE_LONGDOUBLE:
	  double_tmp = ((double *)*p_argv)[0];
	  if (fparg_count >= NUM_FPR_ARG_REGISTERS)
	    *(double *)next_arg = double_tmp;
	  else
	    *fpr_base++ = double_tmp;
	  next_arg += 2;
	  fparg_count++;
	  double_tmp = ((double *)*p_argv)[1];
	  if (fparg_count >= NUM_FPR_ARG_REGISTERS)
	    *(double *)next_arg = double_tmp;
	  else
	    *fpr_base++ = double_tmp;
	  next_arg += 2;
	  fparg_count++;
	  FFI_ASSERT(flags & FLAG_FP_ARGUMENTS);
	  break;
#endif
	case FFI_TYPE_UINT64:
	case FFI_TYPE_SINT64:
	  *(long long *)next_arg = *(long long *)*p_argv;
	  next_arg+=2;
	  break;
	case FFI_TYPE_UINT8:
	  gprvalue = *(unsigned char *)*p_argv;
	  goto putgpr;
	case FFI_TYPE_SINT8:
	  gprvalue = *(signed char *)*p_argv;
	  goto putgpr;
	case FFI_TYPE_UINT16:
	  gprvalue = *(unsigned short *)*p_argv;
	  goto putgpr;
	case FFI_TYPE_SINT16:
	  gprvalue = *(signed short *)*p_argv;
	  goto putgpr;

	case FFI_TYPE_STRUCT:
	  dest_cpy = (char *) next_arg;

	  /* Structures that match the basic modes (QI 1 byte, HI 2 bytes,
	     SI 4 bytes) are aligned as if they were those modes.
	     Structures with 3 byte in size are padded upwards.  */
	  size_al = (*ptr)->size;
	  /* If the first member of the struct is a double, then align
	     the struct to double-word.
	     Type 3 is defined in include/ffi.h. #define FFI_TYPE_DOUBLE 3.  */
	  if ((*ptr)->elements[0]->type == 3)
	    size_al = ALIGN((*ptr)->size, 8);
	  if (size_al < 3 && ecif->cif->abi == FFI_DARWIN)
	    dest_cpy += 4 - size_al;

	  memcpy((char *)dest_cpy, (char *)*p_argv, size_al);
	  next_arg += (size_al + 3) / 4;
	  break;

	case FFI_TYPE_INT:
	case FFI_TYPE_UINT32:
	case FFI_TYPE_SINT32:
	case FFI_TYPE_POINTER:
	  gprvalue = *(unsigned *)*p_argv;
	putgpr:
	  *next_arg++ = gprvalue;
	  break;
	default:
	  break;
	}
    }

  /* Check that we didn't overrun the stack...  */
  //FFI_ASSERT(gpr_base <= stacktop - ASM_NEEDS_REGISTERS);
  //FFI_ASSERT((unsigned *)fpr_base
  //	     <= stacktop - ASM_NEEDS_REGISTERS - NUM_GPR_ARG_REGISTERS);
  //FFI_ASSERT(flags & FLAG_4_GPR_ARGUMENTS || intarg_count <= 4);
}

/* Perform machine dependent cif processing.  */
ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
{
  /* All this is for the DARWIN ABI.  */
  int i;
  ffi_type **ptr;
  unsigned bytes;
  int fparg_count = 0, intarg_count = 0;
  unsigned flags = 0;
  unsigned size_al = 0;

  /* All the machine-independent calculation of cif->bytes will be wrong.
     Redo the calculation for DARWIN.  */

  /* Space for the frame pointer, callee's LR, CR, etc, and for
     the asm's temp regs.  */

  bytes = (6 + ASM_NEEDS_REGISTERS) * sizeof(long);

  /* Return value handling.  The rules are as follows:
     - 32-bit (or less) integer values are returned in gpr3;
     - Structures of size <= 4 bytes also returned in gpr3;
     - 64-bit integer values and structures between 5 and 8 bytes are returned
       in gpr3 and gpr4;
     - Single/double FP values are returned in fpr1;
     - Long double FP (if not equivalent to double) values are returned in
       fpr1 and fpr2;
     - Larger structures values are allocated space and a pointer is passed
       as the first argument.  */
  switch (cif->rtype->type)
    {

#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
    case FFI_TYPE_LONGDOUBLE:
      flags |= FLAG_RETURNS_128BITS;
      flags |= FLAG_RETURNS_FP;
      break;
#endif

    case FFI_TYPE_DOUBLE:
      flags |= FLAG_RETURNS_64BITS;
      /* Fall through.  */
    case FFI_TYPE_FLOAT:
      flags |= FLAG_RETURNS_FP;
      break;

    case FFI_TYPE_UINT64:
    case FFI_TYPE_SINT64:
      flags |= FLAG_RETURNS_64BITS;
      break;

    case FFI_TYPE_STRUCT:
      flags |= FLAG_RETVAL_REFERENCE;
      flags |= FLAG_RETURNS_NOTHING;
      intarg_count++;
      break;
    case FFI_TYPE_VOID:
      flags |= FLAG_RETURNS_NOTHING;
      break;

    default:
      /* Returns 32-bit integer, or similar.  Nothing to do here.  */
      break;
    }

  /* The first NUM_GPR_ARG_REGISTERS words of integer arguments, and the
     first NUM_FPR_ARG_REGISTERS fp arguments, go in registers; the rest
     goes on the stack.  Structures are passed as a pointer to a copy of
     the structure. Stuff on the stack needs to keep proper alignment.  */
  for (ptr = cif->arg_types, i = cif->nargs; i > 0; i--, ptr++)
    {
      switch ((*ptr)->type)
	{
	case FFI_TYPE_FLOAT:
	case FFI_TYPE_DOUBLE:
	  fparg_count++;
	  /* If this FP arg is going on the stack, it must be
	     8-byte-aligned.  */
	  if (fparg_count > NUM_FPR_ARG_REGISTERS
	      && intarg_count%2 != 0)
	    intarg_count++;
	  break;

#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE

	case FFI_TYPE_LONGDOUBLE:
	  fparg_count += 2;
	  /* If this FP arg is going on the stack, it must be
	     8-byte-aligned.  */
	  if (fparg_count > NUM_FPR_ARG_REGISTERS
	      && intarg_count%2 != 0)
	    intarg_count++;
	  intarg_count +=2;
	  break;
#endif

	case FFI_TYPE_UINT64:
	case FFI_TYPE_SINT64:
	  /* 'long long' arguments are passed as two words, but
	     either both words must fit in registers or both go
	     on the stack.  If they go on the stack, they must
	     be 8-byte-aligned.  */
	  if (intarg_count == NUM_GPR_ARG_REGISTERS-1
	      || (intarg_count >= NUM_GPR_ARG_REGISTERS && intarg_count%2 != 0))
	    intarg_count++;
	  intarg_count += 2;
	  break;

	case FFI_TYPE_STRUCT:
	  size_al = (*ptr)->size;
	  /* If the first member of the struct is a double, then align
	     the struct to double-word.
	     Type 3 is defined in include/ffi.h. #define FFI_TYPE_DOUBLE 3.  */
	  if ((*ptr)->elements[0]->type == 3)
	    size_al = ALIGN((*ptr)->size, 8);
	  intarg_count += (size_al + 3) / 4;
	  break;

	default:
	  /* Everything else is passed as a 4-byte word in a GPR, either
	     the object itself or a pointer to it.  */
	  intarg_count++;
	  break;
	}
    }

  if (fparg_count != 0)
    flags |= FLAG_FP_ARGUMENTS;

  /* Space for the FPR registers, if needed.  */
  if (fparg_count != 0)
    bytes += NUM_FPR_ARG_REGISTERS * sizeof(double);

  /* Stack space.  */
  if ((intarg_count + 2 * fparg_count) > NUM_GPR_ARG_REGISTERS)
    bytes += (intarg_count + 2 * fparg_count) * sizeof(long);
  else
    bytes += NUM_GPR_ARG_REGISTERS * sizeof(long);

  /* The stack space allocated needs to be a multiple of 16 bytes.  */
  bytes = (bytes + 15) & ~0xF;

  cif->flags = flags;
  cif->bytes = bytes;

  return FFI_OK;
}

/*@-declundef@*/
/*@-exportheader@*/
extern void ffi_call_AIX(/*@out@*/ extended_cif *,
			 unsigned, unsigned,
			 /*@out@*/ unsigned *,
			 void (*fn)(),
			 void (*fn2)());
extern void ffi_call_DARWIN(/*@out@*/ extended_cif *,
			    unsigned, unsigned,
			    /*@out@*/ unsigned *,
			    void (*fn)(),
			    void (*fn2)());
/*@=declundef@*/
/*@=exportheader@*/

void ffi_call(/*@dependent@*/ ffi_cif *cif,
	      void (*fn)(),
	      /*@out@*/ void *rvalue,
	      /*@dependent@*/ void **avalue)
{
  extended_cif ecif;

  ecif.cif = cif;
  ecif.avalue = avalue;

  /* If the return value is a struct and we don't have a return
     value address then we need to make one.  */

  if ((rvalue == NULL) &&
      (cif->rtype->type == FFI_TYPE_STRUCT))
    {
      /*@-sysunrecog@*/
      ecif.rvalue = alloca(cif->rtype->size);
      /*@=sysunrecog@*/
    }
  else
    ecif.rvalue = rvalue;

  switch (cif->abi)
    {
    case FFI_AIX:
      /*@-usedef@*/
      ffi_call_AIX(&ecif, -cif->bytes,
		   cif->flags, ecif.rvalue, fn, ffi_prep_args);
      /*@=usedef@*/
      break;
    case FFI_DARWIN:
      /*@-usedef@*/
      ffi_call_DARWIN(&ecif, -cif->bytes,
		      cif->flags, ecif.rvalue, fn, ffi_prep_args);
      /*@=usedef@*/
      break;
    default:
      FFI_ASSERT(0);
      break;
    }
}

static void flush_icache(char *);
static void flush_range(char *, int);

/* The layout of a function descriptor.  A C function pointer really
   points to one of these.  */

typedef struct aix_fd_struct {
  void *code_pointer;
  void *toc;
} aix_fd;

/* here I'd like to add the stack frame layout we use in darwin_closure.S
   and aix_clsoure.S

   SP previous -> +---------------------------------------+ <--- child frame
		  | back chain to caller 4                |
		  +---------------------------------------+ 4
		  | saved CR 4                            |
		  +---------------------------------------+ 8
		  | saved LR 4                            |
		  +---------------------------------------+ 12
		  | reserved for compilers 4              |
		  +---------------------------------------+ 16
		  | reserved for binders 4                |
		  +---------------------------------------+ 20
		  | saved TOC pointer 4                   |
		  +---------------------------------------+ 24
		  | always reserved 8*4=32 (previous GPRs)|
		  | according to the linkage convention   |
		  | from AIX                              |
		  +---------------------------------------+ 56
		  | our FPR area 13*8=104                 |
		  | f1                                    |
		  | .                                     |
		  | f13                                   |
		  +---------------------------------------+ 160
		  | result area 8                         |
		  +---------------------------------------+ 168
		  | alignement to the next multiple of 16 |
SP current -->    +---------------------------------------+ 176 <- parent frame
		  | back chain to caller 4                |
		  +---------------------------------------+ 180
		  | saved CR 4                            |
		  +---------------------------------------+ 184
		  | saved LR 4                            |
		  +---------------------------------------+ 188
		  | reserved for compilers 4              |
		  +---------------------------------------+ 192
		  | reserved for binders 4                |
		  +---------------------------------------+ 196
		  | saved TOC pointer 4                   |
		  +---------------------------------------+ 200
		  | always reserved 8*4=32  we store our  |
		  | GPRs here                             |
		  | r3                                    |
		  | .                                     |
		  | r10                                   |
		  +---------------------------------------+ 232
		  | overflow part                         |
		  +---------------------------------------+ xxx
		  | ????                                  |
		  +---------------------------------------+ xxx

*/
ffi_status
ffi_prep_closure (ffi_closure* closure,
		  ffi_cif* cif,
		  void (*fun)(ffi_cif*, void*, void**, void*),
		  void *user_data)
{
  unsigned int *tramp;
  struct ffi_aix_trampoline_struct *tramp_aix;
  aix_fd *fd;

  switch (cif->abi)
    {
    case FFI_DARWIN:

      FFI_ASSERT (cif->abi == FFI_DARWIN);

      tramp = (unsigned int *) &closure->tramp[0];
      tramp[0] = 0x7c0802a6;  /*   mflr    r0  */
      tramp[1] = 0x429f000d;  /*   bcl-    20,4*cr7+so,0x10  */
      tramp[4] = 0x7d6802a6;  /*   mflr    r11  */
      tramp[5] = 0x818b0000;  /*   lwz     r12,0(r11) function address  */
      tramp[6] = 0x7c0803a6;  /*   mtlr    r0   */
      tramp[7] = 0x7d8903a6;  /*   mtctr   r12  */
      tramp[8] = 0x816b0004;  /*   lwz     r11,4(r11) static chain  */
      tramp[9] = 0x4e800420;  /*   bctr  */
      tramp[2] = (unsigned long) ffi_closure_ASM; /* function  */
      tramp[3] = (unsigned long) closure; /* context  */

      closure->cif = cif;
      closure->fun = fun;
      closure->user_data = user_data;

      /* Flush the icache. Only necessary on Darwin.  */
      flush_range(&closure->tramp[0],FFI_TRAMPOLINE_SIZE);

      break;

    case FFI_AIX:

      tramp_aix = (struct ffi_aix_trampoline_struct *) (closure->tramp);
      fd = (aix_fd *)(void *)ffi_closure_ASM;

      FFI_ASSERT (cif->abi == FFI_AIX);

      tramp_aix->code_pointer = fd->code_pointer;
      tramp_aix->toc = fd->toc;
      tramp_aix->static_chain = closure;
      closure->cif = cif;
      closure->fun = fun;
      closure->user_data = user_data;

    default:

      FFI_ASSERT(0);
      break;
    }
  return FFI_OK;
}

static void
flush_icache(char *addr)
{
#ifndef _AIX
  __asm__ volatile (
		"dcbf 0,%0\n"
		"\tsync\n"
		"\ticbi 0,%0\n"
		"\tsync\n"
		"\tisync"
		: : "r"(addr) : "memory");
#endif
}

static void
flush_range(char * addr1, int size)
{
#define MIN_LINE_SIZE 32
  int i;
  for (i = 0; i < size; i += MIN_LINE_SIZE)
    flush_icache(addr1+i);
  flush_icache(addr1+size-1);
}

typedef union
{
  float f;
  double d;
} ffi_dblfl;

int ffi_closure_helper_DARWIN (ffi_closure*, void*,
			       unsigned long*, ffi_dblfl*);

/* Basically the trampoline invokes ffi_closure_ASM, and on
   entry, r11 holds the address of the closure.
   After storing the registers that could possibly contain
   parameters to be passed into the stack frame and setting
   up space for a return value, ffi_closure_ASM invokes the
   following helper function to do most of the work.  */

int ffi_closure_helper_DARWIN (ffi_closure* closure, void * rvalue,
			       unsigned long * pgr, ffi_dblfl * pfr)
{
  /* rvalue is the pointer to space for return value in closure assembly
     pgr is the pointer to where r3-r10 are stored in ffi_closure_ASM
     pfr is the pointer to where f1-f13 are stored in ffi_closure_ASM.  */

  typedef double ldbits[2];

  union ldu
  {
    ldbits lb;
    long double ld;
  };

  void **          avalue;
  ffi_type **      arg_types;
  long             i, avn;
  long             nf;   /* number of floating registers already used.  */
  long             ng;   /* number of general registers already used.  */
  ffi_cif *        cif;
  double           temp;
  unsigned         size_al;
  union ldu        temp_ld;

  cif = closure->cif;
  avalue = alloca(cif->nargs * sizeof(void *));

  nf = 0;
  ng = 0;

  /* Copy the caller's structure return value address so that the closure
     returns the data directly to the caller.  */
  if (cif->rtype->type == FFI_TYPE_STRUCT)
    {
      rvalue = (void *) *pgr;
      pgr++;
      ng++;
    }

  i = 0;
  avn = cif->nargs;
  arg_types = cif->arg_types;

  /* Grab the addresses of the arguments from the stack frame.  */
  while (i < avn)
    {
      switch (arg_types[i]->type)
	{
	case FFI_TYPE_SINT8:
	case FFI_TYPE_UINT8:
	  avalue[i] = (char *) pgr + 3;
	  ng++;
	  pgr++;
	  break;

	case FFI_TYPE_SINT16:
	case FFI_TYPE_UINT16:
	  avalue[i] = (char *) pgr + 2;
	  ng++;
	  pgr++;
	  break;

	case FFI_TYPE_SINT32:
	case FFI_TYPE_UINT32:
	case FFI_TYPE_POINTER:
	  avalue[i] = pgr;
	  ng++;
	  pgr++;
	  break;

	case FFI_TYPE_STRUCT:
	  /* Structures that match the basic modes (QI 1 byte, HI 2 bytes,
	     SI 4 bytes) are aligned as if they were those modes.  */
	  size_al = arg_types[i]->size;
	  /* If the first member of the struct is a double, then align
	     the struct to double-word.
	     Type 3 is defined in include/ffi.h. #define FFI_TYPE_DOUBLE 3.  */
	  if (arg_types[i]->elements[0]->type == 3)
	    size_al = ALIGN(arg_types[i]->size, 8);
	  if (size_al < 3 && cif->abi == FFI_DARWIN)
	    avalue[i] = (void*) pgr + 4 - size_al;
	  else
	    avalue[i] = (void*) pgr;
	  ng += (size_al + 3) / 4;
	  pgr += (size_al + 3) / 4;
	  break;

	case FFI_TYPE_SINT64:
	case FFI_TYPE_UINT64:
	  /* Long long ints are passed in two gpr's.  */
	  avalue[i] = pgr;
	  ng += 2;
	  pgr += 2;
	  break;

	case FFI_TYPE_FLOAT:
	  /* A float value consumes a GPR.
	     There are 13 64bit floating point registers.  */
	  if (nf < NUM_FPR_ARG_REGISTERS)
	    {
	      temp = pfr->d;
	      pfr->f = (float)temp;
	      avalue[i] = pfr;
	      pfr++;
	    }
	  else
	    {
	      avalue[i] = pgr;
	    }
	  nf++;
	  ng++;
	  pgr++;
	  break;

	case FFI_TYPE_DOUBLE:
	  /* A double value consumes two GPRs.
	     There are 13 64bit floating point registers.  */
	  if (nf < NUM_FPR_ARG_REGISTERS)
	    {
	      avalue[i] = pfr;
	      pfr++;
	    }
	  else
	    {
	      avalue[i] = pgr;
	    }
	  nf++;
	  ng += 2;
	  pgr += 2;
	  break;

#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE

	case FFI_TYPE_LONGDOUBLE:
	  /* A long double value consumes four GPRs and two FPRs.
	     There are 13 64bit floating point registers.  */
	  if (nf < NUM_FPR_ARG_REGISTERS - 1)
	    {
	      avalue[i] = pfr;
	      pfr += 2;
	    }
	  /* Here we have the situation where one part of the long double
	     is stored in fpr13 and the other part is already on the stack.
	     We use a union to pass the long double to avalue[i].  */
	  else if (nf == NUM_FPR_ARG_REGISTERS - 1)
	    {
	      memcpy (&temp_ld.lb[0], pfr, sizeof(ldbits));
	      memcpy (&temp_ld.lb[1], pgr + 2, sizeof(ldbits));
	      avalue[i] = &temp_ld.ld;
	    }
	  else
	    {
	      avalue[i] = pgr;
	    }
	  nf += 2;
	  ng += 4;
	  pgr += 4;
	  break;
#endif
	default:
	  FFI_ASSERT(0);
	}
      i++;
    }

  (closure->fun) (cif, rvalue, avalue, closure->user_data);

  /* Tell ffi_closure_ASM to perform return type promotions.  */
  return cif->rtype->type;
}

--- NEW FILE: asm.h ---
/* -----------------------------------------------------------------------
   asm.h - Copyright (c) 1998 Geoffrey Keating

   PowerPC Assembly glue.

   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 AUTHOR 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.
   ----------------------------------------------------------------------- */

#define ASM_GLOBAL_DIRECTIVE .globl


#define C_SYMBOL_NAME(name) name
/* Macro for a label.  */
#ifdef	__STDC__
#define C_LABEL(name)		name##:
#else
#define C_LABEL(name)		name/**/:
#endif

/* This seems to always be the case on PPC.  */
#define ALIGNARG(log2) log2
/* For ELF we need the `.type' directive to make shared libs work right.  */
#define ASM_TYPE_DIRECTIVE(name,typearg) .type name,typearg;
#define ASM_SIZE_DIRECTIVE(name) .size name,.-name

/* If compiled for profiling, call `_mcount' at the start of each function.  */
#ifdef	PROF
/* The mcount code relies on a the return address being on the stack
   to locate our caller and so it can restore it; so store one just
   for its benefit.  */
#ifdef PIC
#define CALL_MCOUNT							      \
  .pushsection;								      \
  .section ".data";							      \
  .align ALIGNARG(2);							      \
0:.long 0;								      \
  .previous;								      \
  mflr  %r0;								      \
  stw   %r0,4(%r1);							      \
  bl    _GLOBAL_OFFSET_TABLE_@local-4;					      \
  mflr  %r11;								      \
  lwz   %r0,0b@got(%r11);						      \
  bl    JUMPTARGET(_mcount);
#else  /* PIC */
#define CALL_MCOUNT							      \
  .section ".data";							      \
  .align ALIGNARG(2);							      \
0:.long 0;								      \
  .previous;								      \
  mflr  %r0;								      \
  lis   %r11,0b@ha;							      \
  stw   %r0,4(%r1);							      \
  addi  %r0,%r11,0b@l;							      \
  bl    JUMPTARGET(_mcount);
#endif /* PIC */
#else  /* PROF */
#define CALL_MCOUNT		/* Do nothing.  */
#endif /* PROF */

#define	ENTRY(name)							      \
  ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name);				      \
  ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function)			      \
  .align ALIGNARG(2);							      \
  C_LABEL(name)								      \
  CALL_MCOUNT

#define EALIGN_W_0  /* No words to insert.  */
#define EALIGN_W_1  nop
#define EALIGN_W_2  nop;nop
#define EALIGN_W_3  nop;nop;nop
#define EALIGN_W_4  EALIGN_W_3;nop
#define EALIGN_W_5  EALIGN_W_4;nop
#define EALIGN_W_6  EALIGN_W_5;nop
#define EALIGN_W_7  EALIGN_W_6;nop

/* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes
   past a 2^align boundary.  */
#ifdef PROF
#define EALIGN(name, alignt, words)					      \
  ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name);				      \
  ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function)			      \
  .align ALIGNARG(2);							      \
  C_LABEL(name)								      \
  CALL_MCOUNT								      \
  b 0f;									      \
  .align ALIGNARG(alignt);						      \
  EALIGN_W_##words;							      \
  0:
#else /* PROF */
#define EALIGN(name, alignt, words)					      \
  ASM_GLOBAL_DIRECTIVE C_SYMBOL_NAME(name);				      \
  ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function)			      \
  .align ALIGNARG(alignt);						      \
  EALIGN_W_##words;							      \
  C_LABEL(name)
#endif

#define END(name)							      \
  ASM_SIZE_DIRECTIVE(name)

#ifdef PIC
#define JUMPTARGET(name) name##@plt
#else
#define JUMPTARGET(name) name
#endif

/* Local labels stripped out by the linker.  */
#define L(x) .L##x

--- NEW FILE: aix_closure.S ---
/* -----------------------------------------------------------------------
   aix_closure.S - Copyright (c) 2002 2003 Free Software Foundation, Inc.
   based on darwin_closure.S

   PowerPC Assembly glue.

   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 AUTHOR 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.
   ----------------------------------------------------------------------- */

	.set r0,0
	.set r1,1
	.set r2,2
	.set r3,3
	.set r4,4
	.set r5,5
	.set r6,6
	.set r7,7
	.set r8,8
	.set r9,9
	.set r10,10
	.set r11,11
	.set r12,12
	.set r13,13
	.set r14,14
	.set r15,15
	.set r16,16
	.set r17,17
	.set r18,18
	.set r19,19
	.set r20,20
	.set r21,21
	.set r22,22
	.set r23,23
	.set r24,24
	.set r25,25
	.set r26,26
	.set r27,27
	.set r28,28
	.set r29,29
	.set r30,30
	.set r31,31
	.set f0,0
	.set f1,1
	.set f2,2
	.set f3,3
	.set f4,4
	.set f5,5
	.set f6,6
	.set f7,7
	.set f8,8
	.set f9,9
	.set f10,10
	.set f11,11
	.set f12,12
	.set f13,13
	.set f14,14
	.set f15,15
	.set f16,16
	.set f17,17
	.set f18,18
	.set f19,19
	.set f20,20
	.set f21,21

#define LIBFFI_ASM
#define JUMPTARGET(name) name
#define L(x) x
	.file "aix_closure.S"
	.toc
LC..60:
	.tc L..60[TC],L..60
	.csect .text[PR]
	.align 2

.csect .text[PR]
	.align 2
	.globl ffi_closure_ASM
	.globl .ffi_closure_ASM
.csect ffi_closure_ASM[DS]

ffi_closure_ASM:
	.long .ffi_closure_ASM, TOC[tc0], 0
	.csect .text[PR]
.ffi_closure_ASM:

	mflr r0			/* extract return address */
	stw r0, 8(r1)		/* save the return address */

	/* 24 Bytes (Linkage Area) */
	/* 32 Bytes (params) */
	/* 104 Bytes (13*8 from FPR) */
	/* 8 Bytes (result) */
	/* 168 Bytes */

	stwu r1,-176(r1)	/* skip over caller save area
				keep stack aligned to 16  */

/* we want to build up an area for the parameters passed */
/* in registers (both floating point and integer) */

	/* we store gpr 3 to gpr 10 (aligned to 4)
	in the parents outgoing area  */
	stw   r3, 200(r1)
	stw   r4, 204(r1)
	stw   r5, 208(r1)
	stw   r6, 212(r1)
	stw   r7, 216(r1)
	stw   r8, 220(r1)
	stw   r9, 224(r1)
	stw   r10, 228(r1)

	/* next save fpr 1 to fpr 13 (aligned to 8) */
	stfd  f1, 56(r1)
	stfd  f2, 64(r1)
	stfd  f3, 72(r1)
	stfd  f4, 80(r1)
	stfd  f5, 88(r1)
	stfd  f6, 96(r1)
	stfd  f7, 104(r1)
	stfd  f8, 112(r1)
	stfd  f9, 120(r1)
	stfd  f10, 128(r1)
	stfd  f11, 136(r1)
	stfd  f12, 144(r1)
	stfd  f13, 152(r1)

	/* set up registers for the routine that actually does the work */
	/* get the context pointer from the trampoline */
	mr r3,r11

	/* now load up the pointer to the result storage */
	addi r4,r1,160

	/* now load up the pointer to the saved gpr registers */
	addi r5,r1,200

	/* now load up the pointer to the saved fpr registers */
	addi r6,r1,56

	/* make the call */
	bl .ffi_closure_helper_DARWIN
	nop

	/* now r3 contains the return type */
	/* so use it to look up in a table */
	/* so we know how to deal with each type */

	/* look up the proper starting point in table  */
	/* by using return type as offset */
	addi r5,r1,160		/* get pointer to results area */
	lwz r4,LC..60(2)	/* get address of jump table */
	slwi r3,r3,2		/* now multiply return type by 4 */
	lwzx r3,r4,r3		/* get the contents of that table value */
	add r3,r3,r4		/* add contents of table to table address */
	mtctr r3
	bctr			/* jump to it */

L..60:
	.long L..44-L..60    /* FFI_TYPE_VOID */
	.long L..50-L..60    /* FFI_TYPE_INT */
	.long L..47-L..60    /* FFI_TYPE_FLOAT */
	.long L..46-L..60    /* FFI_TYPE_DOUBLE */
	.long L..46-L..60    /* FFI_TYPE_LONGDOUBLE */
	.long L..56-L..60    /* FFI_TYPE_UINT8 */
	.long L..55-L..60    /* FFI_TYPE_SINT8 */
	.long L..58-L..60    /* FFI_TYPE_UINT16 */
	.long L..57-L..60    /* FFI_TYPE_SINT16 */
	.long L..50-L..60    /* FFI_TYPE_UINT32 */
	.long L..50-L..60    /* FFI_TYPE_SINT32 */
	.long L..48-L..60    /* FFI_TYPE_UINT64 */
	.long L..48-L..60    /* FFI_TYPE_SINT64 */
	.long L..44-L..60    /* FFI_TYPE_STRUCT */
	.long L..50-L..60    /* FFI_TYPE_POINTER */


/* case double */
L..46:
	lfd f1,0(r5)
	b L..44

/* case float */
L..47:
	lfs f1,0(r5)
	b L..44

/* case long long */
L..48:
	lwz r3,0(r5)
	lwz r4,4(r5)
	b L..44

/* case default / int32 / pointer */
L..50:
	lwz r3,0(r5)
	b L..44

/* case signed int8	 */
L..55:
	addi r5,r5,3
	lbz r3,0(r5)
	slwi r3,r3,24
	srawi r3,r3,24
	b L..44

/* case unsigned int8	 */
L..56:
	addi r5,r5,3
	lbz r3,0(r5)
	b L..44

/* case signed int16 */
L..57:
	addi r5,r5,2
	lhz r3,0(r5)
	extsh r3,r3
	b L..44

/* case unsigned int16 */
L..58:
	addi r5,r5,2
	lhz r3,0(r5)

/* case void / done	 */
L..44:
	addi r1,r1,176		/* restore stack pointer */
	lwz r0,8(r1)		/* get return address */
	mtlr r0			/* reset link register */
	blr

/* END(ffi_closure_ASM) */

--- NEW FILE: linux64.S ---
/* -----------------------------------------------------------------------
   sysv.h - Copyright (c) 2003 Jakub Jelinek <ja...@re...>

   PowerPC64 Assembly glue.

   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 AUTHOR 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.
   ----------------------------------------------------------------------- */

#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>

#ifdef __powerpc64__
	.hidden	ffi_call_LINUX64, .ffi_call_LINUX64
	.globl	ffi_call_LINUX64, .ffi_call_LINUX64
	.section	".opd","aw"
	.align	3
ffi_call_LINUX64:
	.quad	.ffi_call_LINUX64,.TOC.@tocbase,0
	.size	ffi_call_LINUX64,24
	.type	.ffi_call_LINUX64,@function
	.text
.ffi_call_LINUX64:
.LFB1:
	mflr	%r0
	std	%r28, -32(%r1)
	std	%r29, -24(%r1)
	std	%r30, -16(%r1)
	std	%r31, -8(%r1)
	std	%r0, 16(%r1)

	mr	%r28, %r1	/* our AP.  */
	stdux	%r1, %r1, %r4
.LCFI0:
	mr	%r31, %r5	/* flags, */
	mr	%r30, %r6	/* rvalue, */
	mr	%r29, %r7	/* function address.  */
	std	%r2, 40(%r1)

	/* Call ffi_prep_args64.  */
	mr	%r4, %r1
	bl	.ffi_prep_args64

	ld	%r0, 0(%r29)
	ld	%r2, 8(%r29)
	ld	%r11, 16(%r29)

	/* Now do the call.  */
	/* Set up cr1 with bits 4-7 of the flags.  */
	mtcrf	0x40, %r31

	/* Get the address to call into CTR.  */
	mtctr	%r0
	/* Load all those argument registers.  */
	ld	%r3, -32-(8*8)(%r28)
	ld	%r4, -32-(7*8)(%r28)
	ld	%r5, -32-(6*8)(%r28)
	ld	%r6, -32-(5*8)(%r28)
	bf-	5, 1f
	ld	%r7, -32-(4*8)(%r28)
	ld	%r8, -32-(3*8)(%r28)
	ld	%r9, -32-(2*8)(%r28)
	ld	%r10, -32-(1*8)(%r28)
1:

	/* Load all the FP registers.  */
	bf-	6, 2f
	lfd	%f1, -32-(21*8)(%r28)
	lfd	%f2, -32-(20*8)(%r28)
	lfd	%f3, -32-(19*8)(%r28)
	lfd	%f4, -32-(18*8)(%r28)
	lfd	%f5, -32-(17*8)(%r28)
	lfd	%f6, -32-(16*8)(%r28)
	lfd	%f7, -32-(15*8)(%r28)
	lfd	%f8, -32-(14*8)(%r28)
	lfd	%f9, -32-(13*8)(%r28)
	lfd	%f10, -32-(12*8)(%r28)
	lfd	%f11, -32-(11*8)(%r28)
	lfd	%f12, -32-(10*8)(%r28)
	lfd	%f13, -32-(9*8)(%r28)
2:

	/* Make the call.  */
	bctrl

	/* Now, deal with the return value.  */
	mtcrf	0x01, %r31
	bt-	30, .Ldone_return_value
	bt-	29, .Lfp_return_value
	std	%r3, 0(%r30)
	/* Fall through...  */

.Ldone_return_value:
	/* Restore the registers we used and return.  */
	ld	%r2, 40(%r1)
	mr	%r1, %r28
	ld	%r0, 16(%r28)
	ld	%r28, -32(%r1)
	mtlr	%r0
	ld	%r29, -24(%r1)
	ld	%r30, -16(%r1)
	ld	%r31, -8(%r1)
	blr

.Lfp_return_value:
	bf	28, .Lfloat_return_value
	stfd	%f1, 0(%r30)
	stfd	%f2, 8(%r30)	/* It might be a long double */
	b	.Ldone_return_value
.Lfloat_return_value:
	stfs	%f1, 0(%r30)
	b	.Ldone_return_value
.LFE1:
	.long	0
	.byte	0,12,0,1,128,4,0,0
	.size	.ffi_call_LINUX64,.-.ffi_call_LINUX64

	.section	.eh_frame,EH_FRAME_FLAGS,@progbits
.Lframe1:
	.4byte	.LECIE1-.LSCIE1	 # Length of Common Information Entry
.LSCIE1:
	.4byte	0x0	 # CIE Identifier Tag
	.byte	0x1	 # CIE Version
	.ascii "zR\0"	 # CIE Augmentation
	.uleb128 0x1	 # CIE Code Alignment Factor
	.sleb128 -8	 # CIE Data Alignment Factor
	.byte	0x41	 # CIE RA Column
	.uleb128 0x1	 # Augmentation size
	.byte	0x14	 # FDE Encoding (pcrel udata8)
	.byte	0xc	 # DW_CFA_def_cfa
	.uleb128 0x1
	.uleb128 0x0
	.align 3
.LECIE1:
.LSFDE1:
	.4byte	.LEFDE1-.LASFDE1	 # FDE Length
.LASFDE1:
	.4byte	.LASFDE1-.Lframe1	 # FDE CIE offset
	.8byte	.LFB1-.	 # FDE initial location
	.8byte	.LFE1-.LFB1	 # FDE address range
	.uleb128 0x0	 # Augmentation size
	.byte	0x2	 # DW_CFA_advance_loc1
	.byte	.LCFI0-.LFB1
	.byte	0xd	 # DW_CFA_def_cfa_register
	.uleb128 0x1c
	.byte	0x11	 # DW_CFA_offset_extended_sf
	.uleb128 0x41
	.sleb128 -2
	.byte	0x9f	 # DW_CFA_offset, column 0x1f
	.uleb128 0x1
	.byte	0x9e	 # DW_CFA_offset, column 0x1e
	.uleb128 0x2
	.byte	0x9d	 # DW_CFA_offset, column 0x1d
	.uleb128 0x3
	.byte	0x9c	 # DW_CFA_offset, column 0x1c
	.uleb128 0x4
	.align 3
.LEFDE1:
#endif

--- NEW FILE: darwin.S ---
/* -----------------------------------------------------------------------
   darwin.S - Copyright (c) 2000 John Hornkvist
	      Copyright (c) 2004 Free Software Foundation, Inc.

   PowerPC Assembly glue.

   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 AUTHOR 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.
   ----------------------------------------------------------------------- */

#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>
#define JUMPTARGET(name) name
#define L(x) x
.text
	.align 2
.globl _ffi_prep_args

.text
	.align 2
.globl _ffi_call_DARWIN
.text
	.align 2
_ffi_call_DARWIN:
LFB0:
	mr   	r12,r8	/* We only need r12 until the call,
			   so it doesn't have to be saved.  */
LFB1:
	/* Save the old stack pointer as AP.  */
	mr	r8,r1
LCFI0:
	/* Allocate the stack space we need.  */
	stwux	r1,r1,r4

	/* Save registers we use.  */
	mflr	r9

	stw	r28,-16(r8)	
	stw	r29,-12(r8)
	stw	r30,-8(r8)
	stw	r31,-4(r8)

	stw	r9,8(r8)
	stw	r2,20(r1)
LCFI1:

	/* Save arguments over call.  */
	mr	r31,r5	/* flags,  */
	mr	r30,r6	/* rvalue,  */
	mr	r29,r7	/* function address,  */
	mr	r28,r8	/* our AP.  */
LCFI2:
	/* Call ffi_prep_args.  */
	mr	r4,r1
	li	r9,0

	mtctr	r12 /* r12 holds address of _ffi_prep_args.  */
	bctrl
	lwz     r2,20(r1)

	/* Now do the call.
	   Set up cr1 with bits 4-7 of the flags.  */
	mtcrf	0x40,r31
	/* Get the address to call into CTR.  */
	mtctr	r29
	/* Load all those argument registers.
	   We have set up a nice stack frame, just load it into registers.  */
	lwz     r3,20+(1*4)(r1)
	lwz     r4,20+(2*4)(r1)
	lwz     r5,20+(3*4)(r1)
	lwz     r6,20+(4*4)(r1)
	nop
	lwz     r7,20+(5*4)(r1)
	lwz     r8,20+(6*4)(r1)
	lwz     r9,20+(7*4)(r1)
	lwz     r10,20+(8*4)(r1)

L1:
	/* Load all the FP registers.  */
	bf	6,L2	/* No floats to load.  */
	lfd	f1,-16-(13*8)(r28)
	lfd	f2,-16-(12*8)(r28)
	lfd	f3,-16-(11*8)(r28)
	lfd	f4,-16-(10*8)(r28)
	nop
	lfd	f5,-16-(9*8)(r28)
	lfd	f6,-16-(8*8)(r28)
	lfd	f7,-16-(7*8)(r28)
	lfd	f8,-16-(6*8)(r28)
	nop
	lfd     f9,-16-(5*8)(r28)
	lfd     f10,-16-(4*8)(r28)
	lfd     f11,-16-(3*8)(r28)
	lfd     f12,-16-(2*8)(r28)
	nop
	lfd     f13,-16-(1*8)(r28)

L2:
	mr	r12,r29	/* Put the target address in r12 as specified.  */
	mtctr  	r12
	nop
	nop
	/* Make the call.  */
	bctrl

	/* Now, deal with the return value.  */
	mtcrf	0x01,r31

	bt	30,L(done_return_value)
	bt	29,L(fp_return_value)
	stw	r3,0(r30)
	bf	28,L(done_return_value)
	stw	r4,4(r30)

	/* Fall through.  */

L(done_return_value):
	/* Restore the registers we used and return.  */
	lwz	r9,8(r28)
	lwz	r31,-4(r28)
	mtlr	r9
	lwz	r30,-8(r28)
	lwz	r29,-12(r28)
	lwz	r28,-16(r28)
	lwz	r1,0(r1)
	blr

L(fp_return_value):
	/* Do we have long double to store?  */
	bf	31,L(fd_return_value)
	stfd	f1,0(r30)
	stfd	f2,8(r30)
	b	L(done_return_value)

L(fd_return_value):
	/* Do we have double to store?  */
	bf	28,L(float_return_value)
	stfd	f1,0(r30)
	b	L(done_return_value)

L(float_return_value):
	/* We only have a float to store.  */
	stfs	f1,0(r30)
	b	L(done_return_value)

LFE1:
/* END(_ffi_call_DARWIN)  */

/* Provide a null definition of _ffi_call_AIX.  */
.text
	.align 2
.globl _ffi_call_AIX
.text
	.align 2
_ffi_call_AIX:
	blr
/* END(_ffi_call_AIX)  */

.data
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms
EH_frame1:
	.set	L$set$0,LECIE1-LSCIE1
	.long	L$set$0	; Length of Common Information Entry
LSCIE1:
	.long	0x0	; CIE Identifier Tag
	.byte	0x1	; CIE Version
	.ascii	"zR\0"	; CIE Augmentation
	.byte	0x1	; uleb128 0x1; CIE Code Alignment Factor
	.byte	0x7c	; sleb128 -4; CIE Data Alignment Factor
	.byte	0x41	; CIE RA Column
	.byte	0x1	; uleb128 0x1; Augmentation size
	.byte	0x90	; FDE Encoding (indirect pcrel)
	.byte	0xc	; DW_CFA_def_cfa
	.byte	0x1	; uleb128 0x1
	.byte	0x0	; uleb128 0x0
	.align	2
LECIE1:
.globl _ffi_call_DARWIN.eh
_ffi_call_DARWIN.eh:
LSFDE1:
	.set	L$set$1,LEFDE1-LASFDE1
	.long	L$set$1	; FDE Length
LASFDE1:
	.long	LASFDE1-EH_frame1 ; FDE CIE offset
	.long	LLFB0$non_lazy_ptr-.	; FDE initial location
	.set	L$set$3,LFE1-LFB0
	.long	L$set$3	; FDE address range
	.byte   0x0     ; uleb128 0x0; Augmentation size
	.byte	0x4	; DW_CFA_advance_loc4
	.set	L$set$4,LCFI0-LFB1
	.long	L$set$4
	.byte	0xd	; DW_CFA_def_cfa_register
	.byte	0x08	; uleb128 0x08
	.byte	0x4	; DW_CFA_advance_loc4
	.set	L$set$5,LCFI1-LCFI0
	.long	L$set$5
	.byte   0x11    ; DW_CFA_offset_extended_sf
	.byte	0x41	; uleb128 0x41
	.byte   0x7e    ; sleb128 -2
	.byte	0x9f	; DW_CFA_offset, column 0x1f
	.byte	0x1	; uleb128 0x1
	.byte	0x9e	; DW_CFA_offset, column 0x1e
	.byte	0x2	; uleb128 0x2
	.byte	0x9d	; DW_CFA_offset, column 0x1d
	.byte	0x3	; uleb128 0x3
	.byte	0x9c	; DW_CFA_offset, column 0x1c
	.byte	0x4	; uleb128 0x4
	.byte	0x4	; DW_CFA_advance_loc4
	.set	L$set$6,LCFI2-LCFI1
	.long	L$set$6
	.byte	0xd	; DW_CFA_def_cfa_register
	.byte	0x1c	; uleb128 0x1c
	.align 2
LEFDE1:
.data
	.align 2
LLFB0$non_lazy_ptr:
	.long   LFB0

--- NEW FILE: linux64_closure.S ---
#define LIBFFI_ASM
#include <fficonfig.h>
#include <ffi.h>

	.file	"linux64_closure.S"

#ifdef __powerpc64__
	.hidden ffi_closure_LINUX64, .ffi_closure_LINUX64
	.globl  ffi_closure_LINUX64, .ffi_closure_LINUX64
	.section        ".opd","aw"
	.align  3
ffi_closure_LINUX64:
	.quad   .ffi_closure_LINUX64,.TOC.@tocbase,0
	.size   ffi_closure_LINUX64,24
	.type   .ffi_closure_LINUX64,@function
	.text
.ffi_closure_LINUX64:
.LFB1:
	# save general regs into parm save area
	std	%r3, 48(%r1)
	std	%r4, 56(%r1)
	std	%r5, 64(%r1)
	std	%r6, 72(%r1)
	mflr	%r0

	std	%r7, 80(%r1)
	std	%r8, 88(%r1)
	std	%r9, 96(%r1)
	std	%r10, 104(%r1)
	std	%r0, 16(%r1)

	# mandatory 48 bytes special reg save area + 64 bytes parm save area
	# + 16 bytes retval area + 13*8 bytes fpr save area + round to 16
	stdu	%r1, -240(%r1)
.LCFI0:

	# next save fpr 1 to fpr 13
	stfd  %f1, 128+(0*8)(%r1)
	stfd  %f2, 128+(1*8)(%r1)
	stfd  %f3, 128+(2*8)(%r1)
	stfd  %f4, 128+(3*8)(%r1)
	stfd  %f5, 128+(4*8)(%r1)
	stfd  %f6, 128+(5*8)(%r1)
	stfd  %f7, 128+(6*8)(%r1)
	stfd  %f8, 128+(7*8)(%r1)
	stfd  %f9, 128+(8*8)(%r1)
	stfd  %f10, 128+(9*8)(%r1)
	stfd  %f11, 128+(10*8)(%r1)
	stfd  %f12, 128+(11*8)(%r1)
	stfd  %f13, 128+(12*8)(%r1)

	# set up registers for the routine that actually does the work
	# get the context pointer from the trampoline
	mr %r3, %r11

	# now load up the pointer to the result storage
	addi %r4, %r1, 112

	# now load up the pointer to the parameter save area
	# in the previous frame
	addi %r5, %r1, 240 + 48

	# now load up the pointer to the saved fpr registers */
	addi %r6, %r1, 128

	# make the call
	bl .ffi_closure_helper_LINUX64
.Lret:

	# now r3 contains the return type
	# so use it to look up in a table
	# so we know how to deal with each type

	# look up the proper starting point in table
	# by using return type as offset
	mflr %r4		# move address of .Lret to r4
	sldi %r3, %r3, 4	# now multiply return type by 16
	addi %r4, %r4, .Lret_type0 - .Lret
	ld %r0, 240+16(%r1)
	add %r3, %r3, %r4	# add contents of table to table address
	mtctr %r3
	bctr			# jump to it

# Each of the ret_typeX code fragments has to be exactly 16 bytes long
# (4 instructions). For cache effectiveness we align to a 16 byte boundary
# first.
	.align 4

.Lret_type0:
# case FFI_TYPE_VOID
	mtlr %r0
	addi %r1, %r1, 240
	blr
	nop
# case FFI_TYPE_INT
	lwa %r3, 112+4(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_FLOAT
	lfs %f1, 112+0(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_DOUBLE
	lfd %f1, 112+0(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_LONGDOUBLE
	lfd %f1, 112+0(%r1)
	mtlr %r0
	lfd %f2, 112+8(%r1)
	b .Lfinish
# case FFI_TYPE_UINT8
	lbz %r3, 112+7(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_SINT8
	lbz %r3, 112+7(%r1)
	extsb %r3,%r3
	mtlr %r0
	b .Lfinish
# case FFI_TYPE_UINT16
	lhz %r3, 112+6(%r1)
	mtlr %r0
.Lfinish:
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_SINT16
	lha %r3, 112+6(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_UINT32
	lwz %r3, 112+4(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_SINT32
	lwa %r3, 112+4(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_UINT64
	ld %r3, 112+0(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_SINT64
	ld %r3, 112+0(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# case FFI_TYPE_STRUCT
	mtlr %r0
	addi %r1, %r1, 240
	blr
	nop
# case FFI_TYPE_POINTER
	ld %r3, 112+0(%r1)
	mtlr %r0
	addi %r1, %r1, 240
	blr
# esac
.LFE1:
	.long	0
	.byte	0,12,0,1,128,0,0,0
	.size	.ffi_closure_LINUX64,.-.ffi_closure_LINUX64

	.section	.eh_frame,EH_FRAME_FLAGS,@progbits
.Lframe1:
	.4byte	.LECIE1-.LSCIE1	 # Length of Common Information Entry
.LSCIE1:
	.4byte	0x0	 # CIE Identifier Tag
	.byte	0x1	 # CIE Version
	.ascii "zR\0"	 # CIE Augmentation
	.uleb128 0x1	 # CIE Code Alignment Factor
	.sleb128 -8	 # CIE Data Alignment Factor
	.byte	0x41	 # CIE RA Column
	.uleb128 0x1	 # Augmentation size
	.byte	0x14	 # FDE Encoding (pcrel udata8)
	.byte	0xc	 # DW_CFA_def_cfa
	.uleb128 0x1
	.uleb128 0x0
	.align 3
.LECIE1:
.LSFDE1:
	.4byte	.LEFDE1-.LASFDE1	 # FDE Length
.LASFDE1:
	.4byte	.LASFDE1-.Lframe1	 # FDE CIE offset
	.8byte	.LFB1-.	 # FDE initial location
	.8byte	.LFE1-.LFB1	 # FDE address range
	.uleb128 0x0	 # Augmentation size
	.byte	0x2	 # DW_CFA_advance_loc1
	.byte	.LCFI0-.LFB1
	.byte	0xe	 # DW_CFA_def_cfa_offset
	.uleb128 240
	.byte	0x11	 # DW_CFA_offset_extended_sf
	.uleb128 0x41
	.sleb128 -2
	.align 3
.LEFDE1:
#endif

--- NEW FILE: ffi.c ---
/* -----------------------------------------------------------------------
   ffi.c - Copyright (c) 1998 Geoffrey Keating

   PowerPC 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.
[...1098 lines suppressed...]
		}
	      avalue[i] = pst;
	    }
	  pst += 2;
	  break;
#endif

	default:
	  FFI_ASSERT(0);
	}

      i++;
    }


  (closure->fun) (cif, rvalue, avalue, closure->user_data);

  /* Tell ffi_closure_LINUX64 how to perform return type promotions.  */
  return cif->rtype->type;
}

--- NEW FILE: darwin_closure.S ---
/* -----------------------------------------------------------------------
   darwin_closure.S - Copyright (c) 2002, 2003, 2004, Free Software Foundation,
   Inc. based on ppc_closure.S

   PowerPC Assembly glue.

   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 AUTHOR 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.
   ----------------------------------------------------------------------- */

#define LIBFFI_ASM
#define L(x) x

	.file	"darwin_closure.S"
.text
	.align 2
.globl _ffi_closure_ASM

.text
	.align 2
_ffi_closure_ASM:
LFB1:
	mflr	r0		/* extract return address  */
	stw	r0,8(r1)	/* save the return address  */
LCFI0:
	/* 24 Bytes (Linkage Area)
	   32 Bytes (outgoing parameter area, always reserved)
	   104 Bytes (13*8 from FPR)
	   16 Bytes (result)
	   176 Bytes  */

	stwu	r1,-176(r1)	/* skip over caller save area
				keep stack aligned to 16.  */
LCFI1:
	/* We want to build up an area for the parameters passed
	   in registers. (both floating point and integer)  */

	/* We store gpr 3 to gpr 10 (aligned to 4)
	   in the parents outgoing area.  */
	stw   r3,200(r1)
	stw   r4,204(r1)
	stw   r5,208(r1)
	stw   r6,212(r1)
	stw   r7,216(r1)
	stw   r8,220(r1)
	stw   r9,224(r1)
	stw   r10,228(r1)

	/* We save fpr 1 to fpr 13. (aligned to 8)  */
	stfd  f1,56(r1)
	stfd  f2,64(r1)
	stfd  f3,72(r1)
	stfd  f4,80(r1)
	stfd  f5,88(r1)
	stfd  f6,96(r1)
	stfd  f7,104(r1)
	stfd  f8,112(r1)
	stfd  f9,120(r1)
	stfd  f10,128(r1)
	stfd  f11,136(r1)
	stfd  f12,144(r1)
	stfd  f13,152(r1)

	/* Set up registers for the routine that actually does the work
	   get the context pointer from the trampoline.  */
	mr r3,r11

	/* Now load up the pointer to the result storage.  */
	addi r4,r1,160

	/* Now load up the pointer to the saved gpr registers.  */
	addi r5,r1,200

	/* Now load up the pointer to the saved fpr registers.  */
	addi r6,r1,56

	/* Make the call.  */
	bl	Lffi_closure_helper_DARWIN$stub

	/* Now r3 contains the return type
	   so use it to look up in a table
	   so we know how to deal with each type.  */

	/* Look up the proper starting point in table
	   by using return type as offset.  */
	addi  r5,r1,160		  /* Get pointer to results area.  */
	bl    Lget_ret_type0_addr /* Get pointer to Lret_type0 into LR.  */
	mflr  r4		  /* Move to r4.  */
	slwi  r3,r3,4		  /* Now multiply return type by 16.  */
	add   r3,r3,r4		  /* Add contents of table to table address.  */
	mtctr r3
	bctr			  /* Jump to it.  */
LFE1:
/* Each of the ret_typeX code fragments has to be exactly 16 bytes long
   (4 instructions). For cache effectiveness we align to a 16 byte boundary
   first.  */

	.align 4

	nop
	nop
	nop
Lget_ret_type0_addr:
	blrl

/* case FFI_TYPE_VOID  */
Lret_type0:
	b	Lfinish
	nop
	nop
	nop

/* case FFI_TYPE_INT  */
Lret_type1:
	lwz	r3,0(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_FLOAT  */
Lret_type2:
	lfs	f1,0(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_DOUBLE  */
Lret_type3:
	lfd	f1,0(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_LONGDOUBLE  */
Lret_type4:
	lfd	f1,0(r5)
	lfd	f2,8(r5)
	b	Lfinish
	nop

/* case FFI_TYPE_UINT8  */
Lret_type5:
	lbz	r3,3(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_SINT8  */
Lret_type6:
	lbz	r3,3(r5)
	extsb	r3,r3
	b	Lfinish
	nop

/* case FFI_TYPE_UINT16  */
Lret_type7:
	lhz	r3,2(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_SINT16  */
Lret_type8:
	lha	r3,2(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_UINT32  */
Lret_type9:
	lwz	r3,0(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_SINT32  */
Lret_type10:
	lwz	r3,0(r5)
	b	Lfinish
	nop
	nop

/* case FFI_TYPE_UINT64  */
Lret_type11:
	lwz	r3,0(r5)
	lwz	r4,4(r5)
	b	Lfinish
	nop

/* case FFI_TYPE_SINT64  */
Lret_type12:
	lwz	r3,0(r5)
	lwz	r4,4(r5)
	b	Lfinish
	nop

/* case FFI_TYPE_STRUCT  */
Lret_type13:
	b	Lfinish
	nop
	nop
	nop

/* case FFI_TYPE_POINTER  */
Lret_type14:
	lwz	r3,0(r5)
	b	Lfinish
	nop
	nop

/* case done  */
Lfinish:
	addi	r1,r1,176	/* Restore stack pointer.  */
	lwz	r0,8(r1)	/* Get return address.  */
	mtlr	r0		/* Reset link register.  */
	blr

/* END(ffi_closure_ASM)  */

.data
.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms
EH_frame1:
	.set	L$set$0,LECIE1-LSCIE1
	.long	L$set$0	; Length of Common Information Entry
LSCIE1:
	.long	0x0	; CIE Identifier Tag
	.byte	0x1	; CIE Version
	.ascii	"zR\0"	; CIE Augmentation
	.byte	0x1	; uleb128 0x1; CIE Code Alignment Factor
	.byte	0x7c	; sleb128 -4; CIE Data Alignment Factor
	.byte	0x41	; CIE RA Column
	.byte	0x1	; uleb128 0x1; Augmentation size
	.byte	0x90	; FDE Encoding (indirect pcrel)
	.byte	0xc	; DW_CFA_def_cfa
	.byte	0x1	; uleb128 0x1
	.byte	0x0	; uleb128 0x0
	.align	2
LECIE1:
.globl _ffi_closure_ASM.eh
_ffi_closure_ASM.eh:
LSFDE1:
	.set	L$set$1,LEFDE1-LASFDE1
	.long	L$set$1	; FDE Length

LASFDE1:
	.long	LASFDE1-EH_frame1	; FDE CIE offset
	.long	LLFB1$non_lazy_ptr-.	; FDE initial location
	.set	L$set$3,LFE1-LFB1
	.long	L$set$3	; FDE address range
	.byte   0x0     ; uleb128 0x0; Augmentation size
	.byte	0x4	; DW_CFA_advance_loc4
	.set	L$set$3,LCFI1-LCFI0
	.long	L$set$3
	.byte	0xe	; DW_CFA_def_cfa_offset
	.byte	176,1	; uleb128 176
	.byte	0x4	; DW_CFA_advance_loc4
	.set	L$set$4,LCFI0-LFB1
	.long	L$set$4
	.byte   0x11    ; DW_CFA_offset_extended_sf
	.byte	0x41	; uleb128 0x41
	.byte   0x7e    ; sleb128 -2
	.align	2
LEFDE1:
.data
	.align	2
LDFCM0:
.section __TEXT,__picsymbolstub1,symbol_stubs,pure_instructions,32
	.align	2
Lffi_closure_helper_DARWIN$stub:
	.indirect_symbol _ffi_closure_helper_DARWIN
	mflr	r0
	bcl	20,31,LO$ffi_closure_helper_DARWIN
LO$ffi_closure_helper_DARWIN:
	mflr	r11
	addis	r11,r11,ha16(L_ffi_closure_helper_DARWIN$lazy_ptr - LO$ffi_closure_helper_DARWIN)
	mtlr	r0
	lwzu	r12,lo16(L_ffi_closure_helper_DARWIN$lazy_ptr - LO$ffi_closure_helper_DARWIN)(r11)
	mtctr	r12
	bctr
.data
.lazy_symbol_pointer
L_ffi_closure_helper_DARWIN$lazy_ptr:
	.indirect_symbol _ffi_closure_helper_DARWIN
	.long   dyld_stub_binding_helper
.data
	.align 2
LLFB1$non_...
 
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