Initial import package libffi: A portable foreign function interface libraryHEAD2.0_alphamaster2.0alpha1.0_post

1 files changed, 539 insertions, 0 deletions

diff --git a/src/sh64/sysv.S b/src/sh64/sysv.S
new file mode 100644
index 0000000..c4587d5
--- /dev/null
+++ b/src/sh64/sysv.S
@@ -0,0 +1,539 @@
+/* -----------------------------------------------------------------------
+   sysv.S - Copyright (c) 2003, 2004, 2006, 2008 Kaz Kojima
+   
+   SuperH SHmedia 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.
+   ----------------------------------------------------------------------- */
+
+#define LIBFFI_ASM	
+#include <fficonfig.h>
+#include <ffi.h>
+#ifdef HAVE_MACHINE_ASM_H
+#include <machine/asm.h>
+#else
+/* XXX these lose for some platforms, I'm sure. */
+#define CNAME(x) x
+#define ENTRY(x) .globl CNAME(x); .type CNAME(x),%function; CNAME(x):
+#endif
+
+#ifdef __LITTLE_ENDIAN__
+#define OFS_FLT	0
+#else
+#define OFS_FLT	4
+#endif
+
+	.section	.text..SHmedia32,"ax"
+
+	# r2:	ffi_prep_args
+	# r3:	&ecif
+	# r4:	bytes
+	# r5:	flags
+	# r6:	flags2
+	# r7:	rvalue
+	# r8:	fn
+
+	# This assumes we are using gas.
+	.align	5
+ENTRY(ffi_call_SYSV)
+	# Save registers
+.LFB1:
+	addi.l	r15, -48, r15
+.LCFI0:
+	st.q	r15, 40, r32
+	st.q	r15, 32, r31
+	st.q	r15, 24, r30
+	st.q	r15, 16, r29
+	st.q	r15, 8, r28
+	st.l	r15, 4, r18
+	st.l	r15, 0, r14
+.LCFI1:
+	add.l	r15, r63, r14
+.LCFI2:
+#	add	r4, r63, r28
+	add	r5, r63, r29
+	add	r6, r63, r30
+	add	r7, r63, r31
+	add	r8, r63, r32
+
+	addi	r4, (64 + 7), r4
+	andi	r4, ~7, r4
+	sub.l	r15, r4, r15
+
+	ptabs/l	r2, tr0
+	add	r15, r63, r2
+	blink	tr0, r18
+
+	addi	r15, 64, r22
+	movi	0, r0
+	movi	0, r1
+	movi	-1, r23
+
+	pt/l	1f, tr1
+	bnei/l	r29, FFI_TYPE_STRUCT, tr1
+	ld.l	r15, 0, r19
+	addi	r15, 8, r15
+	addi	r0, 1, r0
+1:
+
+.L_pass:
+	andi	r30, 3, r20
+	shlri	r30, 2, r30
+
+	pt/l	.L_call_it, tr0
+	pt/l	.L_pass_i, tr1
+	pt/l	.L_pass_f, tr2
+
+	beqi/l	r20, FFI_TYPE_VOID, tr0
+	beqi/l	r20, FFI_TYPE_INT, tr1
+	beqi/l	r20, FFI_TYPE_FLOAT, tr2
+
+.L_pass_d:
+	addi	r0, 1, r0
+	pt/l	3f, tr0
+	movi	12, r20
+	bge/l	r1, r20, tr0
+
+	pt/l	.L_pop_d, tr1
+	pt/l	2f, tr0
+	blink	tr1, r63
+2:
+	addi.l	r15, 8, r15
+3:
+	pt/l	.L_pass, tr0
+	addi	r1, 2, r1
+	blink	tr0, r63
+
+.L_pop_d:
+	pt/l	.L_pop_d_tbl, tr1
+	gettr	tr1, r20
+	shlli	r1, 2, r21
+	add	r20, r21, r20
+	ptabs/l	r20, tr1
+	blink	tr1, r63
+
+.L_pop_d_tbl:
+	fld.d	r15, 0, dr0
+	blink	tr0, r63
+	fld.d	r15, 0, dr2
+	blink	tr0, r63
+	fld.d	r15, 0, dr4
+	blink	tr0, r63
+	fld.d	r15, 0, dr6
+	blink	tr0, r63
+	fld.d	r15, 0, dr8
+	blink	tr0, r63
+	fld.d	r15, 0, dr10
+	blink	tr0, r63
+
+.L_pass_f:
+	addi	r0, 1, r0
+	pt/l	3f, tr0
+	movi	12, r20
+	bge/l	r1, r20, tr0
+
+	pt/l	.L_pop_f, tr1
+	pt/l	2f, tr0
+	blink	tr1, r63
+2:
+	addi.l	r15, 8, r15
+3:
+	pt/l	.L_pass, tr0
+	blink	tr0, r63
+
+.L_pop_f:
+	pt/l	.L_pop_f_tbl, tr1
+	pt/l	5f, tr2
+	gettr	tr1, r20
+	bge/l	r23, r63, tr2
+	add	r1, r63, r23 
+	shlli	r1, 3, r21
+	addi	r1, 2, r1
+	add	r20, r21, r20
+	ptabs/l	r20, tr1
+	blink	tr1, r63
+5:
+	addi	r23, 1, r21
+	movi	-1, r23
+	shlli	r21, 3, r21
+	add	r20, r21, r20
+	ptabs/l	r20, tr1
+	blink	tr1, r63
+
+.L_pop_f_tbl:
+	fld.s	r15, OFS_FLT, fr0
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr1
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr2
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr3
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr4
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr5
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr6
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr7
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr8
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr9
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr10
+	blink	tr0, r63
+	fld.s	r15, OFS_FLT, fr11
+	blink	tr0, r63
+
+.L_pass_i:
+	pt/l	3f, tr0
+	movi	8, r20
+	bge/l	r0, r20, tr0
+
+	pt/l	.L_pop_i, tr1
+	pt/l	2f, tr0
+	blink	tr1, r63
+2:
+	addi.l	r15, 8, r15
+3:
+	pt/l	.L_pass, tr0
+	addi	r0, 1, r0
+	blink	tr0, r63
+
+.L_pop_i:
+	pt/l	.L_pop_i_tbl, tr1
+	gettr	tr1, r20
+	shlli	r0, 3, r21
+	add	r20, r21, r20
+	ptabs/l	r20, tr1
+	blink	tr1, r63
+
+.L_pop_i_tbl:
+	ld.q	r15, 0, r2
+	blink	tr0, r63
+	ld.q	r15, 0, r3
+	blink	tr0, r63
+	ld.q	r15, 0, r4
+	blink	tr0, r63
+	ld.q	r15, 0, r5
+	blink	tr0, r63
+	ld.q	r15, 0, r6
+	blink	tr0, r63
+	ld.q	r15, 0, r7
+	blink	tr0, r63
+	ld.q	r15, 0, r8
+	blink	tr0, r63
+	ld.q	r15, 0, r9
+	blink	tr0, r63
+
+.L_call_it:
+	# call function
+	pt/l	1f, tr1
+	bnei/l	r29, FFI_TYPE_STRUCT, tr1
+	add	r19, r63, r2
+1:
+	add	r22, r63, r15
+	ptabs/l	r32, tr0
+	blink	tr0, r18
+
+	pt/l	.L_ret_i, tr0
+	pt/l	.L_ret_ll, tr1
+	pt/l	.L_ret_d, tr2
+	pt/l	.L_ret_f, tr3
+	pt/l	.L_epilogue, tr4
+
+	beqi/l	r29, FFI_TYPE_INT, tr0
+	beqi/l	r29, FFI_TYPE_UINT32, tr0
+	beqi/l	r29, FFI_TYPE_SINT64, tr1
+	beqi/l	r29, FFI_TYPE_UINT64, tr1
+	beqi/l	r29, FFI_TYPE_DOUBLE, tr2
+	beqi/l	r29, FFI_TYPE_FLOAT, tr3
+
+	pt/l	.L_ret_q, tr0
+	pt/l	.L_ret_h, tr1
+
+	beqi/l	r29, FFI_TYPE_UINT8, tr0
+	beqi/l	r29, FFI_TYPE_UINT16, tr1
+	blink	tr4, r63
+
+.L_ret_d:
+	fst.d	r31, 0, dr0
+	blink	tr4, r63
+
+.L_ret_ll:
+	st.q	r31, 0, r2
+	blink	tr4, r63
+
+.L_ret_f:
+	fst.s	r31, OFS_FLT, fr0
+	blink	tr4, r63
+
+.L_ret_q:
+	st.b	r31, 0, r2
+	blink	tr4, r63
+
+.L_ret_h:
+	st.w	r31, 0, r2
+	blink	tr4, r63
+
+.L_ret_i:
+	st.l	r31, 0, r2
+	# Fall
+
+.L_epilogue:
+	# Remove the space we pushed for the args
+	add	r14, r63, r15
+
+	ld.l	r15, 0, r14
+	ld.l	r15, 4, r18
+	ld.q	r15, 8, r28
+	ld.q	r15, 16, r29
+	ld.q	r15, 24, r30
+	ld.q	r15, 32, r31
+	ld.q	r15, 40, r32
+	addi.l	r15, 48, r15
+	ptabs	r18, tr0
+	blink	tr0, r63
+
+.LFE1:
+.ffi_call_SYSV_end:
+	.size	 CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV)
+
+	.align	5
+ENTRY(ffi_closure_SYSV)
+.LFB2:
+	addi.l	r15, -136, r15
+.LCFI3:
+	st.l	r15, 12, r18
+	st.l	r15, 8, r14
+	st.l	r15, 4, r12
+.LCFI4:
+	add	r15, r63, r14
+.LCFI5:
+	/* Stack layout:	
+	   ...
+	   64 bytes (register parameters)
+	   48 bytes (floating register parameters)
+	    8 bytes (result)
+	    4 bytes (r18)
+	    4 bytes (r14)
+	    4 bytes (r12)
+	    4 bytes (for align)
+	   <- new stack pointer
+	*/
+	fst.d	r14, 24, dr0
+	fst.d	r14, 32, dr2
+	fst.d	r14, 40, dr4
+	fst.d	r14, 48, dr6
+	fst.d	r14, 56, dr8
+	fst.d	r14, 64, dr10
+	st.q	r14, 72, r2
+	st.q	r14, 80, r3
+	st.q	r14, 88, r4
+	st.q	r14, 96, r5
+	st.q	r14, 104, r6
+	st.q	r14, 112, r7
+	st.q	r14, 120, r8
+	st.q	r14, 128, r9
+
+	add	r1, r63, r2
+	addi	r14, 16, r3
+	addi	r14, 72, r4
+	addi	r14, 24, r5
+	addi	r14, 136, r6
+#ifdef PIC
+	movi	(((datalabel _GLOBAL_OFFSET_TABLE_-(.LPCS0-.)) >> 16) & 65535), r12
+        shori	((datalabel _GLOBAL_OFFSET_TABLE_-(.LPCS0-.)) & 65535), r12
+.LPCS0:	ptrel/u r12, tr0
+	movi	((ffi_closure_helper_SYSV@GOTPLT) & 65535), r1
+	gettr	tr0, r12
+	ldx.l	r1, r12, r1
+	ptabs	r1, tr0
+#else
+	pt/l	ffi_closure_helper_SYSV, tr0
+#endif
+	blink	tr0, r18
+
+	shlli	r2, 1, r1
+        movi    (((datalabel .L_table) >> 16) & 65535), r2
+        shori   ((datalabel .L_table) & 65535), r2
+        ldx.w   r2, r1, r1
+        add     r1, r2, r1
+	pt/l	.L_case_v, tr1
+        ptabs   r1, tr0
+        blink   tr0, r63
+
+        .align 2
+.L_table:
+	.word	.L_case_v - datalabel .L_table	/* FFI_TYPE_VOID */
+	.word	.L_case_i - datalabel .L_table	/* FFI_TYPE_INT */
+	.word	.L_case_f - datalabel .L_table	/* FFI_TYPE_FLOAT */
+	.word	.L_case_d - datalabel .L_table	/* FFI_TYPE_DOUBLE */
+	.word	.L_case_d - datalabel .L_table	/* FFI_TYPE_LONGDOUBLE */
+	.word	.L_case_uq - datalabel .L_table	/* FFI_TYPE_UINT8 */
+	.word	.L_case_q - datalabel .L_table	/* FFI_TYPE_SINT8 */
+	.word	.L_case_uh - datalabel .L_table	/* FFI_TYPE_UINT16 */
+	.word	.L_case_h - datalabel .L_table	/* FFI_TYPE_SINT16 */
+	.word	.L_case_i - datalabel .L_table	/* FFI_TYPE_UINT32 */
+	.word	.L_case_i - datalabel .L_table	/* FFI_TYPE_SINT32 */
+	.word	.L_case_ll - datalabel .L_table	/* FFI_TYPE_UINT64 */
+	.word	.L_case_ll - datalabel .L_table	/* FFI_TYPE_SINT64 */
+	.word	.L_case_v - datalabel .L_table	/* FFI_TYPE_STRUCT */
+	.word	.L_case_i - datalabel .L_table	/* FFI_TYPE_POINTER */
+
+        .align 2
+.L_case_d:
+	fld.d	r14, 16, dr0
+	blink	tr1, r63
+.L_case_f:
+	fld.s	r14, 16, fr0
+	blink	tr1, r63
+.L_case_ll:
+	ld.q	r14, 16, r2
+	blink	tr1, r63
+.L_case_i:
+	ld.l	r14, 16, r2
+	blink	tr1, r63
+.L_case_q:
+	ld.b	r14, 16, r2
+	blink	tr1, r63
+.L_case_uq:
+	ld.ub	r14, 16, r2
+	blink	tr1, r63
+.L_case_h:
+	ld.w	r14, 16, r2
+	blink	tr1, r63
+.L_case_uh:
+	ld.uw	r14, 16, r2
+	blink	tr1, r63
+.L_case_v:
+	add.l	r14, r63, r15
+	ld.l	r15, 4, r12
+	ld.l	r15, 8, r14
+	ld.l	r15, 12, r18
+	addi.l	r15, 136, r15
+	ptabs	r18, tr0
+	blink	tr0, r63
+
+.LFE2:
+.ffi_closure_SYSV_end:
+	.size	 CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV)
+
+#if defined __ELF__ && defined __linux__
+	.section	.note.GNU-stack,"",@progbits
+#endif
+
+	.section	".eh_frame","aw",@progbits
+__FRAME_BEGIN__:
+	.4byte	.LECIE1-.LSCIE1	/* Length of Common Information Entry */
+.LSCIE1:
+	.4byte	0x0	/* CIE Identifier Tag */
+	.byte	0x1	/* CIE Version */
+#ifdef PIC
+	.ascii "zR\0"	/* CIE Augmentation */
+#else
+	.byte	0x0	/* CIE Augmentation */
+#endif
+	.uleb128 0x1	/* CIE Code Alignment Factor */
+	.sleb128 -4	/* CIE Data Alignment Factor */
+	.byte	0x12	/* CIE RA Column */
+#ifdef PIC
+	.uleb128 0x1	/* Augmentation size */
+	.byte	0x10	/* FDE Encoding (pcrel) */
+#endif
+	.byte	0xc	/* DW_CFA_def_cfa */
+	.uleb128 0xf
+	.uleb128 0x0
+	.align	2
+.LECIE1:
+.LSFDE1:
+	.4byte	datalabel .LEFDE1-datalabel .LASFDE1	/* FDE Length */
+.LASFDE1:
+	.4byte	datalabel .LASFDE1-datalabel __FRAME_BEGIN__
+#ifdef PIC
+	.4byte	.LFB1-.	/* FDE initial location */
+#else
+	.4byte	.LFB1	/* FDE initial location */
+#endif
+	.4byte	datalabel .LFE1-datalabel .LFB1	/* FDE address range */
+#ifdef PIC
+	.uleb128 0x0	/* Augmentation size */
+#endif
+	.byte	0x4	/* DW_CFA_advance_loc4 */
+	.4byte	datalabel .LCFI0-datalabel .LFB1
+	.byte	0xe	/* DW_CFA_def_cfa_offset */
+	.uleb128 0x30
+	.byte	0x4	/* DW_CFA_advance_loc4 */
+	.4byte	datalabel .LCFI1-datalabel .LCFI0
+	.byte   0x8e	/* DW_CFA_offset, column 0xe */
+	.uleb128 0xc
+	.byte   0x92	/* DW_CFA_offset, column 0x12 */
+	.uleb128 0xb
+	.byte   0x9c	/* DW_CFA_offset, column 0x1c */
+	.uleb128 0xa
+	.byte   0x9d	/* DW_CFA_offset, column 0x1d */
+	.uleb128 0x8
+	.byte   0x9e	/* DW_CFA_offset, column 0x1e */
+	.uleb128 0x6
+	.byte   0x9f	/* DW_CFA_offset, column 0x1f */
+	.uleb128 0x4
+	.byte   0xa0	/* DW_CFA_offset, column 0x20 */
+	.uleb128 0x2
+	.byte	0x4	/* DW_CFA_advance_loc4 */
+	.4byte	datalabel .LCFI2-datalabel .LCFI1
+	.byte	0xd	/* DW_CFA_def_cfa_register */
+	.uleb128 0xe
+	.align	2
+.LEFDE1:
+
+.LSFDE3:
+	.4byte	datalabel .LEFDE3-datalabel .LASFDE3	/* FDE Length */
+.LASFDE3:
+	.4byte	datalabel .LASFDE3-datalabel __FRAME_BEGIN__
+#ifdef PIC
+	.4byte	.LFB2-.	/* FDE initial location */
+#else
+	.4byte	.LFB2	/* FDE initial location */
+#endif
+	.4byte	datalabel .LFE2-datalabel .LFB2	/* FDE address range */
+#ifdef PIC
+	.uleb128 0x0	/* Augmentation size */
+#endif
+	.byte	0x4	/* DW_CFA_advance_loc4 */
+	.4byte	datalabel .LCFI3-datalabel .LFB2
+	.byte	0xe	/* DW_CFA_def_cfa_offset */
+	.uleb128 0x88
+	.byte	0x4	/* DW_CFA_advance_loc4 */
+	.4byte	datalabel .LCFI4-datalabel .LCFI3
+	.byte   0x8c	/* DW_CFA_offset, column 0xc */
+	.uleb128 0x21
+	.byte   0x8e	/* DW_CFA_offset, column 0xe */
+	.uleb128 0x20
+	.byte   0x92	/* DW_CFA_offset, column 0x12 */
+	.uleb128 0x1f
+	.byte	0x4	/* DW_CFA_advance_loc4 */
+	.4byte	datalabel .LCFI5-datalabel .LCFI4
+	.byte	0xd	/* DW_CFA_def_cfa_register */
+	.uleb128 0xe
+	.align	2
+.LEFDE3: