+++ /dev/null
-/* -----------------------------------------------------------------------
- v8.S - Copyright (c) 1996, 1997 Cygnus Solutions
-
- Sparc 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 CYGNUS SOLUTIONS 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 <ffi.h>
-
-#define STACKFRAME 96 /* Minimum stack framesize for SPARC */
-#define ARGS (64+4) /* Offset of register area in frame */
-
-.text
- .align 8
-.globl ffi_call_V8
-.globl _ffi_call_V8
-
-ffi_call_V8:
-_ffi_call_V8:
-.LLFB1:
- save %sp, -STACKFRAME, %sp
-.LLCFI0:
-
- sub %sp, %i2, %sp ! alloca() space in stack for frame to set up
- add %sp, STACKFRAME, %l0 ! %l0 has start of
- ! frame to set up
-
- mov %l0, %o0 ! call routine to set up frame
- call %i0
- mov %i1, %o1 ! (delay)
-
- ld [%l0+ARGS], %o0 ! call foreign function
- ld [%l0+ARGS+4], %o1
- ld [%l0+ARGS+8], %o2
- ld [%l0+ARGS+12], %o3
- ld [%l0+ARGS+16], %o4
- ld [%l0+ARGS+20], %o5
- call %i5
- mov %l0, %sp ! (delay) switch to frame
- nop ! STRUCT returning functions skip 12 instead of 8 bytes
-
- ! If the return value pointer is NULL, assume no return value.
- tst %i4
- bz done
- nop
-
- cmp %i3, FFI_TYPE_INT
- be,a done
- st %o0, [%i4] ! (delay)
-
- cmp %i3, FFI_TYPE_FLOAT
- be,a done
- st %f0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_SINT64
- be longlong
-
- cmp %i3, FFI_TYPE_DOUBLE
- bne done
- nop
- st %f0, [%i4+0]
- st %f1, [%i4+4]
-
-done:
- ret
- restore
-
-longlong:
- st %o0, [%i4+0]
- st %o1, [%i4+4]
- ret
- restore
-.LLFE1:
-
-.ffi_call_V8_end:
- .size ffi_call_V8,.ffi_call_V8_end-ffi_call_V8
-
-#ifdef SPARC64
-#define WS 8
-#define nword xword
-#define uanword uaxword
-#else
-#define WS 4
-#define nword long
-#define uanword uaword
-#endif
-
- .section ".eh_frame",#alloc,#write
-.LLframe1:
- .uaword .LLECIE1-.LLSCIE1 ! Length of Common Information Entry
-.LLSCIE1:
- .uaword 0x0 ! CIE Identifier Tag
- .byte 0x1 ! CIE Version
- .ascii "zR\0" ! CIE Augmentation
- .byte 0x1 ! uleb128 0x1; CIE Code Alignment Factor
- .byte 0x80-WS ! sleb128 -WS; CIE Data Alignment Factor
- .byte 0xf ! CIE RA Column
- .byte 0x1 ! uleb128 0x1; Augmentation size
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .byte 0x1b ! FDE Encoding (pcrel sdata4)
-#else
- .byte 0x50 ! FDE Encoding (aligned absolute)
-#endif
- .byte 0xc ! DW_CFA_def_cfa
- .byte 0xe ! uleb128 0xe
- .byte 0x0 ! uleb128 0x0
- .align WS
-.LLECIE1:
-.LLSFDE1:
- .uaword .LLEFDE1-.LLASFDE1 ! FDE Length
-.LLASFDE1:
- .uaword .LLASFDE1-.LLframe1 ! FDE CIE offset
-#ifdef HAVE_AS_SPARC_UA_PCREL
- .uaword %r_disp32(.LLFB1)
- .uaword .LLFE1-.LLFB1 ! FDE address range
-#else
- .align WS
- .nword .LLFB1
- .uanword .LLFE1-.LLFB1 ! FDE address range
-#endif
- .byte 0x0 ! uleb128 0x0; Augmentation size
- .byte 0x4 ! DW_CFA_advance_loc4
- .uaword .LLCFI0-.LLFB1
- .byte 0xd ! DW_CFA_def_cfa_register
- .byte 0x1e ! uleb128 0x1e
- .byte 0x2d ! DW_CFA_GNU_window_save
- .byte 0x9 ! DW_CFA_register
- .byte 0xf ! uleb128 0xf
- .byte 0x1f ! uleb128 0x1f
- .align WS
-.LLEFDE1:
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