Fix arm wince alignment issue

1 files changed, 219 insertions, 0 deletions

diff --git a/.pc/powerpc-sysv-without-string-ops/src/powerpc/sysv.S b/.pc/powerpc-sysv-without-string-ops/src/powerpc/sysv.S
new file mode 100644
index 0000000..96ea22b
--- /dev/null
+++ b/.pc/powerpc-sysv-without-string-ops/src/powerpc/sysv.S
@@ -0,0 +1,219 @@
+/* -----------------------------------------------------------------------
+   sysv.S - Copyright (c) 1998 Geoffrey Keating
+   Copyright (C) 2007 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 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.
+   ----------------------------------------------------------------------- */
+
+#define LIBFFI_ASM
+#include <fficonfig.h>
+#include <ffi.h>
+#include <powerpc/asm.h>
+
+#ifndef __powerpc64__
+	.globl ffi_prep_args_SYSV
+ENTRY(ffi_call_SYSV)
+.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)
+.LCFI1:
+	stw	%r29,-12(%r8)
+.LCFI2:
+	stw	%r30, -8(%r8)
+.LCFI3:
+	stw	%r31, -4(%r8)
+.LCFI4:
+	stw	%r9,   4(%r8)
+.LCFI5:
+
+	/* Save arguments over call...  */
+	mr	%r31,%r5	/* flags, */
+	mr	%r30,%r6	/* rvalue, */
+	mr	%r29,%r7	/* function address, */
+	mr	%r28,%r8	/* our AP. */
+.LCFI6:
+
+	/* Call ffi_prep_args_SYSV.  */
+	mr	%r4,%r1
+	bl	ffi_prep_args_SYSV@local
+
+	/* 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.  */
+	lwz	%r3,-16-(8*4)(%r28)
+	lwz	%r4,-16-(7*4)(%r28)
+	lwz	%r5,-16-(6*4)(%r28)
+	lwz	%r6,-16-(5*4)(%r28)
+	bf-	5,1f
+	nop
+	lwz	%r7,-16-(4*4)(%r28)
+	lwz	%r8,-16-(3*4)(%r28)
+	lwz	%r9,-16-(2*4)(%r28)
+	lwz	%r10,-16-(1*4)(%r28)
+	nop
+1:
+
+	/* Load all the FP registers.  */
+	bf-	6,2f
+	lfd	%f1,-16-(8*4)-(8*8)(%r28)
+	lfd	%f2,-16-(8*4)-(7*8)(%r28)
+	lfd	%f3,-16-(8*4)-(6*8)(%r28)
+	lfd	%f4,-16-(8*4)-(5*8)(%r28)
+	nop
+	lfd	%f5,-16-(8*4)-(4*8)(%r28)
+	lfd	%f6,-16-(8*4)-(3*8)(%r28)
+	lfd	%f7,-16-(8*4)-(2*8)(%r28)
+	lfd	%f8,-16-(8*4)-(1*8)(%r28)
+2:
+
+	/* Make the call.  */
+	bctrl
+
+	/* Now, deal with the return value.  */
+	mtcrf	0x01,%r31 /* cr7  */
+	bt-	31,L(small_struct_return_value)
+	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)
+	mtcrf	0x02,%r31 /* cr6  */
+	bf	27,L(done_return_value)
+	stw     %r5,8(%r30)
+	stw	%r6,12(%r30)
+	/* Fall through...  */
+
+L(done_return_value):
+	/* Restore the registers we used and return.  */
+	lwz	%r9,   4(%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)
+	mtcrf   0x02,%r31 /* cr6  */
+	bf	27,L(done_return_value)
+	stfd	%f2,8(%r30)
+	b	L(done_return_value)
+L(float_return_value):
+	stfs	%f1,0(%r30)
+	b	L(done_return_value)
+
+L(small_struct_return_value):
+	extrwi	%r6,%r31,2,19         /* number of bytes padding = shift/8 */
+	mtcrf	0x02,%r31	      /* copy flags to cr[24:27] (cr6) */
+	extrwi	%r5,%r31,5,19         /* r5 <- number of bits of padding */
+	subfic  %r6,%r6,4             /* r6 <- number of useful bytes in r3 */
+	bf-	25,L(done_return_value) /* struct in r3 ? if not, done. */
+/* smst_one_register: */
+	slw	%r3,%r3,%r5           /* Left-justify value in r3 */
+	mtxer	%r6                   /* move byte count to XER ... */
+	stswx	%r3,0,%r30            /* ... and store that many bytes */
+	bf+	26,L(done_return_value)  /* struct in r3:r4 ? */
+	add	%r6,%r6,%r30          /* adjust pointer */
+	stswi	%r4,%r6,4             /* store last four bytes */
+	b	L(done_return_value)
+
+.LFE1:
+END(ffi_call_SYSV)
+
+      .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 */
+#if defined _RELOCATABLE || defined __PIC__
+      .ascii	"zR\0"   /*  CIE Augmentation */
+#else
+      .ascii	"\0"	 /*  CIE Augmentation */
+#endif
+      .uleb128  0x1      /*  CIE Code Alignment Factor */
+      .sleb128  -4	 /*  CIE Data Alignment Factor */
+      .byte     0x41     /*  CIE RA Column */
+#if defined _RELOCATABLE || defined __PIC__
+      .uleb128  0x1      /*  Augmentation size */
+      .byte	0x1b	 /*  FDE Encoding (pcrel sdata4) */
+#endif
+      .byte     0xc      /*  DW_CFA_def_cfa */
+      .uleb128  0x1
+      .uleb128  0x0
+      .align 2
+.LECIE1:
+.LSFDE1:
+      .4byte    .LEFDE1-.LASFDE1         /*  FDE Length */
+.LASFDE1:
+      .4byte    .LASFDE1-.Lframe1         /*  FDE CIE offset */
+#if defined _RELOCATABLE || defined __PIC__
+      .4byte    .LFB1-.  /*  FDE initial location */
+#else
+      .4byte    .LFB1    /*  FDE initial location */
+#endif
+      .4byte    .LFE1-.LFB1      /*  FDE address range */
+#if defined _RELOCATABLE || defined __PIC__
+      .uleb128  0x0	 /*  Augmentation size */
+#endif
+      .byte     0x4      /*  DW_CFA_advance_loc4 */
+      .4byte    .LCFI0-.LFB1
+      .byte     0xd      /*  DW_CFA_def_cfa_register */
+      .uleb128  0x08
+      .byte     0x4      /*  DW_CFA_advance_loc4 */
+      .4byte    .LCFI5-.LCFI0
+      .byte     0x11     /*  DW_CFA_offset_extended_sf */
+      .uleb128  0x41
+      .sleb128  -1
+      .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
+      .byte     0x4      /*  DW_CFA_advance_loc4 */
+      .4byte    .LCFI6-.LCFI5
+      .byte     0xd      /*  DW_CFA_def_cfa_register */
+      .uleb128  0x1c
+      .align 2
+.LEFDE1:
+#endif
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif