/* ———————————————————————–
v9.S - Copyright (c) 2000, 2003, 2004, 2008 Red Hat, Inc. SPARC 64-bit 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> include “internal.h”
ifdef SPARC64
define C2(X, Y) X ## Y define C1(X, Y) C2(X, Y)
ifdef USER_LABEL_PREFIX # define C(Y) C1(USER_LABEL_PREFIX, Y) else # define C(Y) Y endif define L(Y) C1(.L, Y)
if defined(__sun__) && defined(svr4) # define E(INDEX) .align 16 else # define E(INDEX) .align 16; .org 2b + INDEX * 16 endif
define STACK_BIAS 2047
.text .align 8 .globl C(ffi_call_v9) .type C(ffi_call_v9),#function FFI_HIDDEN(C(ffi_call_v9))
C(ffi_call_v9): .LUW0:
save %sp, %o4, %sp
.LUW1:
mov %i0, %o0 ! copy cif add %sp, STACK_BIAS+128+48, %o1 ! load args area mov %i2, %o2 ! copy rvalue call C(ffi_prep_args_v9) mov %i3, %o3 ! copy avalue andcc %o0, SPARC_FLAG_FP_ARGS, %g0 ! need fp regs? add %sp, 48, %sp ! deallocate prep frame be,pt %xcc, 1f mov %o0, %l0 ! save flags ldd [%sp+STACK_BIAS+128], %f0 ! load all fp arg regs ldd [%sp+STACK_BIAS+128+8], %f2 ldd [%sp+STACK_BIAS+128+16], %f4 ldd [%sp+STACK_BIAS+128+24], %f6 ldd [%sp+STACK_BIAS+128+32], %f8 ldd [%sp+STACK_BIAS+128+40], %f10 ldd [%sp+STACK_BIAS+128+48], %f12 ldd [%sp+STACK_BIAS+128+56], %f14 ldd [%sp+STACK_BIAS+128+64], %f16 ldd [%sp+STACK_BIAS+128+72], %f18 ldd [%sp+STACK_BIAS+128+80], %f20 ldd [%sp+STACK_BIAS+128+88], %f22 ldd [%sp+STACK_BIAS+128+96], %f24 ldd [%sp+STACK_BIAS+128+104], %f26 ldd [%sp+STACK_BIAS+128+112], %f28 ldd [%sp+STACK_BIAS+128+120], %f30
1: ldx [%sp+STACK_BIAS+128], %o0 ! load all int arg regs
ldx [%sp+STACK_BIAS+128+8], %o1 ldx [%sp+STACK_BIAS+128+16], %o2 ldx [%sp+STACK_BIAS+128+24], %o3 ldx [%sp+STACK_BIAS+128+32], %o4 ldx [%sp+STACK_BIAS+128+40], %o5 call %i1 mov %i5, %g5 ! load static chain
0: call 1f ! load pc in %o7
and %l0, SPARC_FLAG_RET_MASK, %l1
1: sll %l1, 4, %l1
add %o7, %l1, %o7 ! o7 = 0b + ret_type*16 jmp %o7+(2f-0b) nop .align 16
2: E(SPARC_RET_VOID)
return %i7+8 nop
E(SPARC_RET_STRUCT)
add %sp, STACK_BIAS-64+128+48, %l2 sub %sp, 64, %sp b 8f stx %o0, [%l2]
E(SPARC_RET_UINT8)
and %o0, 0xff, %i0 return %i7+8 stx %o0, [%o2]
E(SPARC_RET_SINT8)
sll %o0, 24, %o0 sra %o0, 24, %i0 return %i7+8 stx %o0, [%o2]
E(SPARC_RET_UINT16)
sll %o0, 16, %o0 srl %o0, 16, %i0 return %i7+8 stx %o0, [%o2]
E(SPARC_RET_SINT16)
sll %o0, 16, %o0 sra %o0, 16, %i0 return %i7+8 stx %o0, [%o2]
E(SPARC_RET_UINT32)
srl %o0, 0, %i0 return %i7+8 stx %o0, [%o2]
E(SP_V9_RET_SINT32)
sra %o0, 0, %i0 return %i7+8 stx %o0, [%o2]
E(SPARC_RET_INT64)
stx %o0, [%i2] return %i7+8 nop
E(SPARC_RET_INT128)
stx %o0, [%i2] stx %o1, [%i2+8] return %i7+8 nop
E(SPARC_RET_F_8)
st %f7, [%i2+7*4] nop st %f6, [%i2+6*4] nop
E(SPARC_RET_F_6)
st %f5, [%i2+5*4] nop st %f4, [%i2+4*4] nop
E(SPARC_RET_F_4)
std %f2, [%i2+2*4] return %i7+8 std %f0, [%o2]
E(SPARC_RET_F_2)
return %i7+8 std %f0, [%o2]
E(SP_V9_RET_F_3)
st %f2, [%i2+2*4] nop st %f1, [%i2+1*4] nop
E(SPARC_RET_F_1)
return %i7+8 st %f0, [%o2] ! Finish the SPARC_RET_STRUCT sequence. .align 8
8: stx %o1, [%l2+8]
stx %o2, [%l2+16] stx %o3, [%l2+24] std %f0, [%l2+32] std %f2, [%l2+40] std %f4, [%l2+48] std %f6, [%l2+56] ! Copy the structure into place. srl %l0, SPARC_SIZEMASK_SHIFT, %o0 ! load size_mask mov %i2, %o1 ! load dst mov %l2, %o2 ! load src_gp call C(ffi_struct_float_copy) add %l2, 32, %o3 ! load src_fp return %i7+8 nop
.LUW2:
.size C(ffi_call_v9), . - C(ffi_call_v9)
undef STACKFRAME define STACKFRAME 336 /* 16*8 register window +
6*8 args backing store + 20*8 locals */
define FP %fp+STACK_BIAS
/* ffi_closure_v9(…)
Receives the closure argument in %g1. */
.align 8
.globl C(ffi_go_closure_v9)
.type C(ffi_go_closure_v9),#function
FFI_HIDDEN(C(ffi_go_closure_v9))
C(ffi_go_closure_v9): .LUW3:
save %sp, -STACKFRAME, %sp
.LUW4:
ldx [%g5+8], %o0 ldx [%g5+16], %o1 b 0f mov %g5, %o2
.LUW5:
.size C(ffi_go_closure_v9), . - C(ffi_go_closure_v9) .align 8 .globl C(ffi_closure_v9) .type C(ffi_closure_v9),#function FFI_HIDDEN(C(ffi_closure_v9))
C(ffi_closure_v9): .LUW6:
save %sp, -STACKFRAME, %sp
.LUW7:
ldx [%g1+FFI_TRAMPOLINE_SIZE], %o0 ldx [%g1+FFI_TRAMPOLINE_SIZE+8], %o1 ldx [%g1+FFI_TRAMPOLINE_SIZE+16], %o2
0:
! Store all of the potential argument registers in va_list format. stx %i0, [FP+128+0] stx %i1, [FP+128+8] stx %i2, [FP+128+16] stx %i3, [FP+128+24] stx %i4, [FP+128+32] stx %i5, [FP+128+40] ! Store possible floating point argument registers too. std %f0, [FP-128] std %f2, [FP-120] std %f4, [FP-112] std %f6, [FP-104] std %f8, [FP-96] std %f10, [FP-88] std %f12, [FP-80] std %f14, [FP-72] std %f16, [FP-64] std %f18, [FP-56] std %f20, [FP-48] std %f22, [FP-40] std %f24, [FP-32] std %f26, [FP-24] std %f28, [FP-16] std %f30, [FP-8] ! Call ffi_closure_sparc_inner to do the bulk of the work. add %fp, STACK_BIAS-160, %o3 add %fp, STACK_BIAS+128, %o4 call C(ffi_closure_sparc_inner_v9) add %fp, STACK_BIAS-128, %o5
0: call 1f ! load pc in %o7
and %o0, SPARC_FLAG_RET_MASK, %o0
1: sll %o0, 4, %o0 ! o2 = i2 * 16
add %o7, %o0, %o7 ! o7 = 0b + i2*16 jmp %o7+(2f-0b) nop ! Note that we cannot load the data in the delay slot of ! the return insn because the data is in the stack frame ! that is deallocated by the return. .align 16
2: E(SPARC_RET_VOID)
return %i7+8 nop
E(SPARC_RET_STRUCT)
ldx [FP-160], %i0 ldd [FP-160], %f0 b 8f ldx [FP-152], %i1
E(SPARC_RET_UINT8)
ldub [FP-160+7], %i0 return %i7+8 nop
E(SPARC_RET_SINT8)
ldsb [FP-160+7], %i0 return %i7+8 nop
E(SPARC_RET_UINT16)
lduh [FP-160+6], %i0 return %i7+8 nop
E(SPARC_RET_SINT16)
ldsh [FP-160+6], %i0 return %i7+8 nop
E(SPARC_RET_UINT32)
lduw [FP-160+4], %i0 return %i7+8 nop
E(SP_V9_RET_SINT32)
ldsw [FP-160+4], %i0 return %i7+8 nop
E(SPARC_RET_INT64)
ldx [FP-160], %i0 return %i7+8 nop
E(SPARC_RET_INT128)
ldx [FP-160], %i0 ldx [FP-160+8], %i1 return %i7+8 nop
E(SPARC_RET_F_8)
ld [FP-160+7*4], %f7 nop ld [FP-160+6*4], %f6 nop
E(SPARC_RET_F_6)
ld [FP-160+5*4], %f5 nop ld [FP-160+4*4], %f4 nop
E(SPARC_RET_F_4)
ldd [FP-160], %f0 ldd [FP-160+8], %f2 return %i7+8 nop
E(SPARC_RET_F_2)
ldd [FP-160], %f0 return %i7+8 nop
E(SP_V9_RET_F_3)
ld [FP-160+2*4], %f2 nop ld [FP-160+1*4], %f1 nop
E(SPARC_RET_F_1)
ld [FP-160], %f0 return %i7+8 nop ! Finish the SPARC_RET_STRUCT sequence. .align 8
8: ldd [FP-152], %f2
ldx [FP-144], %i2 ldd [FP-144], %f4 ldx [FP-136], %i3 ldd [FP-136], %f6 return %i7+8 nop
.LUW8:
.size C(ffi_closure_v9), . - C(ffi_closure_v9)
ifdef HAVE_RO_EH_FRAME
.section ".eh_frame",#alloc
else
.section ".eh_frame",#alloc,#write
endif
ifdef HAVE_AS_SPARC_UA_PCREL # define FDE_RANGE(B, E) .long %r_disp32(B), E - B else # define FDE_RANGE(B, E) .align 8; .xword B, E - B endif
.align 8
.LCIE:
.long .LECIE - .LSCIE ! CIE Length
.LSCIE:
.long 0 ! CIE Identifier Tag .byte 1 ! CIE Version .ascii "zR\0" ! CIE Augmentation .byte 4 ! CIE Code Alignment Factor .byte 0x78 ! CIE Data Alignment Factor .byte 15 ! CIE RA Column .byte 1 ! Augmentation size
ifdef HAVE_AS_SPARC_UA_PCREL
.byte 0x1b ! FDE Encoding (pcrel sdata4)
else
.byte 0x50 ! FDE Encoding (aligned absolute)
endif
.byte 0xc, 14, 0xff, 0xf ! DW_CFA_def_cfa, %o6, offset 0x7ff .align 8
.LECIE:
.long .LEFDE1 - .LSFDE1 ! FDE Length
.LSFDE1:
.long .LSFDE1 - .LCIE ! FDE CIE offset FDE_RANGE(.LUW0, .LUW2) .byte 0 ! Augmentation size .byte 0x40+1 ! DW_CFA_advance_loc 4 .byte 0xd, 30 ! DW_CFA_def_cfa_register, %i6 .byte 0x2d ! DW_CFA_GNU_window_save .byte 0x9, 15, 31 ! DW_CFA_register, %o7, %i7 .align 8
.LEFDE1:
.long .LEFDE2 - .LSFDE2 ! FDE Length
.LSFDE2:
.long .LSFDE2 - .LCIE ! FDE CIE offset FDE_RANGE(.LUW3, .LUW5) .byte 0 ! Augmentation size .byte 0x40+1 ! DW_CFA_advance_loc 4 .byte 0xd, 30 ! DW_CFA_def_cfa_register, %i6 .byte 0x2d ! DW_CFA_GNU_window_save .byte 0x9, 15, 31 ! DW_CFA_register, %o7, %i7 .align 8
.LEFDE2:
.long .LEFDE3 - .LSFDE3 ! FDE Length
.LSFDE3:
.long .LSFDE3 - .LCIE ! FDE CIE offset FDE_RANGE(.LUW6, .LUW8) .byte 0 ! Augmentation size .byte 0x40+1 ! DW_CFA_advance_loc 4 .byte 0xd, 30 ! DW_CFA_def_cfa_register, %i6 .byte 0x2d ! DW_CFA_GNU_window_save .byte 0x9, 15, 31 ! DW_CFA_register, %o7, %i7 .align 8
.LEFDE3:
endif /* SPARC64 */ ifdef __linux__
.section .note.GNU-stack,"",@progbits
endif