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Diffstat (limited to 'libffi/src/ia64/unix.S')
| -rw-r--r-- | libffi/src/ia64/unix.S | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/libffi/src/ia64/unix.S b/libffi/src/ia64/unix.S deleted file mode 100644 index fdaf8be28ad..00000000000 --- a/libffi/src/ia64/unix.S +++ /dev/null @@ -1,301 +0,0 @@ -/* ----------------------------------------------------------------------- - unix.S - Copyright (c) 1998 Cygnus Solutions - Copyright (c) 2000 Hewlett Packard Company - - IA64/unix Foreign Function Interface - - Primary author: Hans Boehm, HP Labs - - Loosely modeled on Cygnus code for other platforms. - - 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> -#include "ia64_flags.h" - -/* parameters: */ -#define callback in0 -#define ecifp in1 -#define bytes in2 -#define flags in3 -#define raddr in4 -#define fn in5 - -#define FLOAT_SZ 8 /* in-memory size of fp operands */ - -.text - .align 16 - .global ffi_call_unix# - .proc ffi_call_unix# -ffi_call_unix: - alloc loc0=ar.pfs,6,5,8,0 - mov loc1=b0; - sub sp=sp,bytes - mov loc4=r1 /* Save gp */ - ld8 r8=[callback],8 /* code address of callback */ - ;; - mov out0=sp - mov out1=ecifp - mov out2=bytes - ld8 r1=[callback] /* Set up gp for callback. Unnecessary? */ - mov b6=r8 - ;; - br.call.sptk.many b0 = b6 /* call ffi_prep_args */ - cmp.eq p6,p0=0,r8 /* r8 nonzero ==> need fp regs */ - ;; -(p6) add loc2=32+8*FLOAT_SZ,sp -(p6) br.cond.dptk.many fp_done - ;; /* Quiets warning; needed? */ - add loc2=32,sp - add loc3=32+FLOAT_SZ,sp - ;; - ldfd f8=[loc2],2*FLOAT_SZ - ldfd f9=[loc3],2*FLOAT_SZ - ;; - ldfd f10=[loc2],2*FLOAT_SZ - ldfd f11=[loc3],2*FLOAT_SZ - ;; - ldfd f12=[loc2],2*FLOAT_SZ - ldfd f13=[loc3],2*FLOAT_SZ - ;; - ldfd f14=[loc2],2*FLOAT_SZ - ldfd f15=[loc3] -fp_done: - add r9=16,sp /* Pointer to r8_contents */ - /* loc2 points at first integer register value. */ - add loc3=8,loc2 - ;; - ld8 r8=[r9] /* Just in case we return large struct */ - ld8 out0=[loc2],16 - ld8 out1=[loc3],16 - ;; - ld8 out2=[loc2],16 - ld8 out3=[loc3],16 - ;; - ld8 out4=[loc2],16 - ld8 out5=[loc3],16 - ;; - ld8 out6=[loc2],16 - ld8 out7=[loc3] - /* loc2 points at first stack parameter. Set sp to 16 bytes */ - /* below that. */ - add sp=-16,loc2 - - ld8 r8=[fn],8 - ;; - ld8 r1=[fn] /* Set up gp */ - mov b6=r8;; - br.call.sptk.many b0 = b6 /* call ffi_prep_args */ - - /* Handle return value. */ - cmp.eq p6,p0=0,raddr - cmp.eq p7,p0=FFI_TYPE_INT,flags - cmp.eq p10,p0=FFI_IS_SMALL_STRUCT2,flags - cmp.eq p11,p0=FFI_IS_SMALL_STRUCT3,flags - cmp.eq p12,p0=FFI_IS_SMALL_STRUCT4,flags - ;; -(p6) br.cond.dpnt.few done /* Dont copy ret values if raddr = 0 */ -(p7) br.cond.dptk.few copy1 -(p10) br.cond.dpnt.few copy2 -(p11) br.cond.dpnt.few copy3 -(p12) br.cond.dpnt.few copy4 - cmp.eq p8,p0=FFI_TYPE_FLOAT,flags - cmp.eq p9,p0=FFI_TYPE_DOUBLE,flags - tbit.nz p6,p0=flags,FLOAT_FP_AGGREGATE_BIT - tbit.nz p7,p0=flags,DOUBLE_FP_AGGREGATE_BIT - ;; -(p8) stfs [raddr]=f8 -(p9) stfd [raddr]=f8 - ;; -(p6) br.cond.dpnt.few handle_float_hfa -(p7) br.cond.dpnt.few handle_double_hfa - br done - -copy4: - add loc3=24,raddr - ;; - st8 [loc3]=r11 -copy3: - add loc3=16,raddr - ;; - st8 [loc3]=r10 -copy2: - add loc3=8,raddr - ;; - st8 [loc3]=r9 -copy1: - st8 [raddr]=r8 - /* In the big struct case, raddr was passed as an argument. */ - /* In the void case there was nothing to do. */ - -done: - mov r1=loc4 /* Restore gp */ - mov ar.pfs = loc0 - mov b0 = loc1 - br.ret.sptk.many b0 - -handle_double_hfa: - /* Homogeneous floating point array of doubles is returned in */ - /* registers f8-f15. Save one at a time to return area. */ - and flags=0xf,flags /* Retrieve size */ - ;; - cmp.eq p6,p0=2,flags - cmp.eq p7,p0=3,flags - cmp.eq p8,p0=4,flags - cmp.eq p9,p0=5,flags - cmp.eq p10,p0=6,flags - cmp.eq p11,p0=7,flags - cmp.eq p12,p0=8,flags - ;; -(p6) br.cond.dptk.few dhfa2 -(p7) br.cond.dptk.few dhfa3 -(p8) br.cond.dptk.few dhfa4 -(p9) br.cond.dptk.few dhfa5 -(p10) br.cond.dptk.few dhfa6 -(p11) br.cond.dptk.few dhfa7 -dhfa8: add loc3=7*8,raddr - ;; - stfd [loc3]=f15 -dhfa7: add loc3=6*8,raddr - ;; - stfd [loc3]=f14 -dhfa6: add loc3=5*8,raddr - ;; - stfd [loc3]=f13 -dhfa5: add loc3=4*8,raddr - ;; - stfd [loc3]=f12 -dhfa4: add loc3=3*8,raddr - ;; - stfd [loc3]=f11 -dhfa3: add loc3=2*8,raddr - ;; - stfd [loc3]=f10 -dhfa2: add loc3=1*8,raddr - ;; - stfd [loc3]=f9 - stfd [raddr]=f8 - br done - -handle_float_hfa: - /* Homogeneous floating point array of floats is returned in */ - /* registers f8-f15. Save one at a time to return area. */ - and flags=0xf,flags /* Retrieve size */ - ;; - cmp.eq p6,p0=2,flags - cmp.eq p7,p0=3,flags - cmp.eq p8,p0=4,flags - cmp.eq p9,p0=5,flags - cmp.eq p10,p0=6,flags - cmp.eq p11,p0=7,flags - cmp.eq p12,p0=8,flags - ;; -(p6) br.cond.dptk.few shfa2 -(p7) br.cond.dptk.few shfa3 -(p8) br.cond.dptk.few shfa4 -(p9) br.cond.dptk.few shfa5 -(p10) br.cond.dptk.few shfa6 -(p11) br.cond.dptk.few shfa7 -shfa8: add loc3=7*4,raddr - ;; - stfd [loc3]=f15 -shfa7: add loc3=6*4,raddr - ;; - stfd [loc3]=f14 -shfa6: add loc3=5*4,raddr - ;; - stfd [loc3]=f13 -shfa5: add loc3=4*4,raddr - ;; - stfd [loc3]=f12 -shfa4: add loc3=3*4,raddr - ;; - stfd [loc3]=f11 -shfa3: add loc3=2*4,raddr - ;; - stfd [loc3]=f10 -shfa2: add loc3=1*4,raddr - ;; - stfd [loc3]=f9 - stfd [raddr]=f8 - br done - - .endp ffi_call_unix - - -.text - .align 16 - .global ffi_closure_UNIX - .proc ffi_closure_UNIX -ffi_closure_UNIX: - alloc loc0=ar.pfs,8,2,2,0 - mov loc1=b0 - /* Retrieve closure pointer and real gp. */ - mov out0=gp - add gp=16,gp - ;; - ld8 gp=[gp] - /* Reserve a structia64_args on the stack such that arguments */ - /* past the first 8 are automatically placed in the right */ - /* slot. Note that when we start the sp points at 2 8-byte */ - /* scratch words, followed by the extra arguments. */ -# define BASIC_ARGS_SZ (8*FLOAT_SZ+8*8+2*8) -# define FIRST_FP_OFFSET (4*8) - add r14=-(BASIC_ARGS_SZ-FIRST_FP_OFFSET),sp - add r15=-(BASIC_ARGS_SZ-FIRST_FP_OFFSET-FLOAT_SZ),sp - add sp=-BASIC_ARGS_SZ,sp - /* r14 points to fp_regs[0], r15 points to fp_regs[1] */ - ;; - stfd [r14]=f8,2*FLOAT_SZ - stfd [r15]=f9,2*FLOAT_SZ - ;; - stfd [r14]=f10,2*FLOAT_SZ - stfd [r15]=f11,2*FLOAT_SZ - ;; - stfd [r14]=f12,2*FLOAT_SZ - stfd [r15]=f13,2*FLOAT_SZ - ;; - stfd [r14]=f14,FLOAT_SZ+8 - stfd [r15]=f15,2*8 - ;; - /* r14 points to first parameter register area, r15 to second. */ - st8 [r14]=in0,2*8 - st8 [r15]=in1,2*8 - ;; - st8 [r14]=in2,2*8 - st8 [r15]=in3,2*8 - ;; - st8 [r14]=in4,2*8 - st8 [r15]=in5,2*8 - ;; - st8 [r14]=in6,2*8 - st8 [r15]=in7,2*8 - /* Call ffi_closure_UNIX_inner */ - mov out1=sp - br.call.sptk.many b0=ffi_closure_UNIX_inner - ;; - mov b0=loc1 - mov ar.pfs=loc0 - br.ret.sptk.many b0 - .endp ffi_closure_UNIX - - |