+++ /dev/null
-/* -----------------------------------------------------------------------
- v9.S - Copyright (c) 2000 Cygnus Solutions
-
- Sparc 64bit 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>
-
-#ifdef SPARC64
-/* Only compile this in for 64bit builds, because otherwise the object file
- will have inproper architecture due to used instructions. */
-
-#define STACKFRAME 128 /* Minimum stack framesize for SPARC */
-#define STACK_BIAS 2047
-#define ARGS (128) /* Offset of register area in frame */
-
-.text
- .align 8
-.globl ffi_call_V9
-.globl _ffi_call_V9
-
-ffi_call_V9:
-_ffi_call_V9:
-.LLFB1:
- save %sp, -STACKFRAME, %sp
-.LLCFI0:
-
- sub %sp, %i2, %sp ! alloca() space in stack for frame to set up
- add %sp, STACKFRAME+STACK_BIAS, %l0 ! %l0 has start of
- ! frame to set up
-
- mov %l0, %o0 ! call routine to set up frame
- call %i0
- mov %i1, %o1 ! (delay)
- brz,pt %o0, 1f
- ldx [%l0+ARGS], %o0 ! call foreign function
-
- ldd [%l0+ARGS], %f0
- ldd [%l0+ARGS+8], %f2
- ldd [%l0+ARGS+16], %f4
- ldd [%l0+ARGS+24], %f6
- ldd [%l0+ARGS+32], %f8
- ldd [%l0+ARGS+40], %f10
- ldd [%l0+ARGS+48], %f12
- ldd [%l0+ARGS+56], %f14
- ldd [%l0+ARGS+64], %f16
- ldd [%l0+ARGS+72], %f18
- ldd [%l0+ARGS+80], %f20
- ldd [%l0+ARGS+88], %f22
- ldd [%l0+ARGS+96], %f24
- ldd [%l0+ARGS+104], %f26
- ldd [%l0+ARGS+112], %f28
- ldd [%l0+ARGS+120], %f30
-
-1: ldx [%l0+ARGS+8], %o1
- ldx [%l0+ARGS+16], %o2
- ldx [%l0+ARGS+24], %o3
- ldx [%l0+ARGS+32], %o4
- ldx [%l0+ARGS+40], %o5
- call %i5
- sub %l0, STACK_BIAS, %sp ! (delay) switch to frame
-
- ! If the return value pointer is NULL, assume no return value.
- brz,pn %i4, done
- nop
-
- cmp %i3, FFI_TYPE_INT
- be,a,pt %icc, done
- stx %o0, [%i4] ! (delay)
-
- cmp %i3, FFI_TYPE_FLOAT
- be,a,pn %icc, done
- st %f0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_DOUBLE
- be,a,pn %icc, done
- std %f0, [%i4+0] ! (delay)
-
- cmp %i3, FFI_TYPE_STRUCT
- be,pn %icc, dostruct
-
- cmp %i3, FFI_TYPE_LONGDOUBLE
- bne,pt %icc, done
- nop
- std %f0, [%i4+0]
- std %f2, [%i4+8]
-
-done: ret
- restore
-
-dostruct:
- /* This will not work correctly for unions. */
- stx %o0, [%i4+0]
- stx %o1, [%i4+8]
- stx %o2, [%i4+16]
- stx %o3, [%i4+24]
- std %f0, [%i4+32]
- std %f2, [%i4+40]
- std %f4, [%i4+48]
- std %f6, [%i4+56]
- ret
- restore
-.LLFE1:
-
-.ffi_call_V9_end:
- .size ffi_call_V9,.ffi_call_V9_end-ffi_call_V9
-
- .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 0x78 ! sleb128 -8; 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 0xff,0xf ! uleb128 0x7ff
- .align 8
-.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 8
- .xword .LLFB1
- .uaxword .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 8
-.LLEFDE1:
-
-#endif
projects / msp430-gcc.git / blobdiff