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Diffstat (limited to 'libffi/src/sh/sysv.S')
| -rw-r--r-- | libffi/src/sh/sysv.S | 674 |
1 files changed, 0 insertions, 674 deletions
diff --git a/libffi/src/sh/sysv.S b/libffi/src/sh/sysv.S deleted file mode 100644 index b6a06b8d15e..00000000000 --- a/libffi/src/sh/sysv.S +++ /dev/null @@ -1,674 +0,0 @@ -/* ----------------------------------------------------------------------- - sysv.S - Copyright (c) 2002 Kaz Kojima - - SuperH 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 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 - -#if defined(__HITACHI__) -#define STRUCT_VALUE_ADDRESS_WITH_ARG 1 -#else -#define STRUCT_VALUE_ADDRESS_WITH_ARG 0 -#endif - -.text - - # r4: ffi_prep_args - # r5: &ecif - # r6: bytes - # r7: flags - # sp+0: rvalue - # sp+4: fn - - # This assumes we are using gas. -ENTRY(ffi_call_SYSV) -#if defined(__SH4__) - # Save registers - mov.l r8,@-r15 - mov.l r9,@-r15 - mov.l r10,@-r15 - mov.l r12,@-r15 - mov.l r14,@-r15 - sts.l pr,@-r15 - mov r15,r14 - - mov r6,r8 - mov r7,r9 - - sub r6,r15 - add #-16,r15 - mov #~7,r0 - and r0,r15 - - mov r4,r0 - jsr @r0 - mov r15,r4 - - mov r9,r1 - shlr8 r9 - shlr8 r9 - shlr8 r9 - - mov #FFI_TYPE_STRUCT,r2 - cmp/eq r2,r9 - bf 1f -#if STRUCT_VALUE_ADDRESS_WITH_ARG - mov.l @r15+,r4 - bra 2f - mov #5,r2 -#else - mov.l @r15+,r10 -#endif -1: - mov #4,r2 -2: - mov #4,r3 - -L_pass: - cmp/pl r8 - bf L_call_it - - mov r1,r0 - and #3,r0 - -L_pass_d: - cmp/eq #FFI_TYPE_DOUBLE,r0 - bf L_pass_f - - mov r3,r0 - and #1,r0 - tst r0,r0 - bt 1f - add #1,r3 -1: - mov r15,r0 - and #7,r0 - tst r0,r0 - bt 2f - add #4,r15 -2: - mov #12,r0 - cmp/hs r0,r3 - bt/s 3f - shlr2 r1 - bsr L_pop_d - nop -3: - add #2,r3 - bra L_pass - add #-8,r8 - -L_pop_d: - mov r3,r0 - add r0,r0 - add r3,r0 - add #-12,r0 - braf r0 - nop -#ifdef __LITTLE_ENDIAN__ - fmov.s @r15+,fr5 - rts - fmov.s @r15+,fr4 - fmov.s @r15+,fr7 - rts - fmov.s @r15+,fr6 - fmov.s @r15+,fr9 - rts - fmov.s @r15+,fr8 - fmov.s @r15+,fr11 - rts - fmov.s @r15+,fr10 -#else - fmov.s @r15+,fr4 - rts - fmov.s @r15+,fr5 - fmov.s @r15+,fr6 - rts - fmov.s @r15+,fr7 - fmov.s @r15+,fr8 - rts - fmov.s @r15+,fr9 - fmov.s @r15+,fr10 - rts - fmov.s @r15+,fr11 -#endif - -L_pass_f: - cmp/eq #FFI_TYPE_FLOAT,r0 - bf L_pass_i - - mov #12,r0 - cmp/hs r0,r3 - bt/s 2f - shlr2 r1 - bsr L_pop_f - nop -2: - add #1,r3 - bra L_pass - add #-4,r8 - -L_pop_f: - mov r3,r0 - shll2 r0 - add #-16,r0 - braf r0 - nop -#ifdef __LITTLE_ENDIAN__ - rts - fmov.s @r15+,fr5 - rts - fmov.s @r15+,fr4 - rts - fmov.s @r15+,fr7 - rts - fmov.s @r15+,fr6 - rts - fmov.s @r15+,fr9 - rts - fmov.s @r15+,fr8 - rts - fmov.s @r15+,fr11 - rts - fmov.s @r15+,fr10 -#else - rts - fmov.s @r15+,fr4 - rts - fmov.s @r15+,fr5 - rts - fmov.s @r15+,fr6 - rts - fmov.s @r15+,fr7 - rts - fmov.s @r15+,fr8 - rts - fmov.s @r15+,fr9 - rts - fmov.s @r15+,fr10 - rts - fmov.s @r15+,fr11 -#endif - -L_pass_i: - cmp/eq #FFI_TYPE_INT,r0 - bf L_call_it - - mov #8,r0 - cmp/hs r0,r2 - bt/s 2f - shlr2 r1 - bsr L_pop_i - nop -2: - add #1,r2 - bra L_pass - add #-4,r8 - -L_pop_i: - mov r2,r0 - shll2 r0 - add #-16,r0 - braf r0 - nop - rts - mov.l @r15+,r4 - rts - mov.l @r15+,r5 - rts - mov.l @r15+,r6 - rts - mov.l @r15+,r7 - -L_call_it: - # call function -#if (! STRUCT_VALUE_ADDRESS_WITH_ARG) - mov r10, r2 -#endif - mov.l @(28,r14),r1 - jsr @r1 - nop - -L_ret_d: - mov #FFI_TYPE_DOUBLE,r2 - cmp/eq r2,r9 - bf L_ret_ll - - mov.l @(24,r14),r1 -#ifdef __LITTLE_ENDIAN__ - fmov.s fr1,@r1 - add #4,r1 - bra L_epilogue - fmov.s fr0,@r1 -#else - fmov.s fr0,@r1 - add #4,r1 - bra L_epilogue - fmov.s fr1,@r1 -#endif - -L_ret_ll: - mov #FFI_TYPE_SINT64,r2 - cmp/eq r2,r9 - bt/s 1f - mov #FFI_TYPE_UINT64,r2 - cmp/eq r2,r9 - bf L_ret_f - -1: - mov.l @(24,r14),r2 - mov.l r0,@r2 - bra L_epilogue - mov.l r1,@(4,r2) - -L_ret_f: - mov #FFI_TYPE_FLOAT,r2 - cmp/eq r2,r9 - bf L_ret_i - - mov.l @(24,r14),r1 - bra L_epilogue - fmov.s fr0,@r1 - -L_ret_i: - mov #FFI_TYPE_INT,r2 - cmp/eq r2,r9 - bf L_epilogue - - mov.l @(24,r14),r1 - bra L_epilogue - mov.l r0,@r1 - -L_epilogue: - # Remove the space we pushed for the args - mov r14,r15 - - lds.l @r15+,pr - mov.l @r15+,r14 - mov.l @r15+,r12 - mov.l @r15+,r10 - mov.l @r15+,r9 - rts - mov.l @r15+,r8 -#else - # Save registers - mov.l r8,@-r15 - mov.l r9,@-r15 - mov.l r10,@-r15 - mov.l r12,@-r15 - mov.l r14,@-r15 - sts.l pr,@-r15 - mov r15,r14 - - mov r6,r8 - mov r7,r9 - - sub r6,r15 - add #-16,r15 - mov #~7,r0 - and r0,r15 - - mov r4,r0 - jsr @r0 - mov r15,r4 - - mov r9,r3 - shlr8 r9 - shlr8 r9 - shlr8 r9 - - mov #FFI_TYPE_STRUCT,r2 - cmp/eq r2,r9 - bf 1f -#if STRUCT_VALUE_ADDRESS_WITH_ARG - mov.l @r15+,r4 - bra 2f - mov #5,r2 -#else - mov.l @r15+,r10 -#endif -1: - mov #4,r2 -2: - -L_pass: - cmp/pl r8 - bf L_call_it - - mov r3,r0 - and #3,r0 - -L_pass_d: - cmp/eq #FFI_TYPE_DOUBLE,r0 - bf L_pass_i - - mov r15,r0 - and #7,r0 - tst r0,r0 - bt 1f - add #4,r15 -1: - mov #8,r0 - cmp/hs r0,r2 - bt/s 2f - shlr2 r3 - bsr L_pop_d - nop -2: - add #2,r2 - bra L_pass - add #-8,r8 - -L_pop_d: - mov r2,r0 - add r0,r0 - add r2,r0 - add #-12,r0 - add r0,r0 - braf r0 - nop - mov.l @r15+,r4 - rts - mov.l @r15+,r5 - mov.l @r15+,r5 - rts - mov.l @r15+,r6 - mov.l @r15+,r6 - rts - mov.l @r15+,r7 - rts - mov.l @r15+,r7 - -L_pass_i: - mov #8,r0 - cmp/hs r0,r2 - bt/s 2f - shlr2 r3 - bsr L_pop_i - nop -2: - add #1,r2 - bra L_pass - add #-4,r8 - -L_pop_i: - mov r2,r0 - shll2 r0 - add #-16,r0 - braf r0 - nop - rts - mov.l @r15+,r4 - rts - mov.l @r15+,r5 - rts - mov.l @r15+,r6 - rts - mov.l @r15+,r7 - -L_call_it: - # call function -#if (! STRUCT_VALUE_ADDRESS_WITH_ARG) - mov r10, r2 -#endif - mov.l @(28,r14),r1 - jsr @r1 - nop - -L_ret_d: - mov #FFI_TYPE_DOUBLE,r2 - cmp/eq r2,r9 - bf L_ret_ll - - mov.l @(24,r14),r2 - mov.l r0,@r2 - bra L_epilogue - mov.l r1,@(4,r2) - -L_ret_ll: - mov #FFI_TYPE_SINT64,r2 - cmp/eq r2,r9 - bt/s 1f - mov #FFI_TYPE_UINT64,r2 - cmp/eq r2,r9 - bf L_ret_i - -1: - mov.l @(24,r14),r2 - mov.l r0,@r2 - bra L_epilogue - mov.l r1,@(4,r2) - -L_ret_i: - mov #FFI_TYPE_FLOAT,r2 - cmp/eq r2,r9 - bt 1f - mov #FFI_TYPE_INT,r2 - cmp/eq r2,r9 - bf L_epilogue -1: - mov.l @(24,r14),r1 - bra L_epilogue - mov.l r0,@r1 - -L_epilogue: - # Remove the space we pushed for the args - mov r14,r15 - - lds.l @r15+,pr - mov.l @r15+,r14 - mov.l @r15+,r12 - mov.l @r15+,r10 - mov.l @r15+,r9 - rts - mov.l @r15+,r8 -#endif - -.ffi_call_SYSV_end: - .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV) - -.globl ffi_closure_helper_SYSV - -ENTRY(ffi_closure_SYSV) - mov.l r14,@-r15 - sts.l pr,@-r15 - - /* Stack layout: - ... - 32 bytes (floating register parameters, SH-4 only) - 16 bytes (register parameters) - 4 bytes (result) - 4 bytes (5th arg) - <- new stack pointer - */ -#if defined(__SH4__) - add #-56,r15 -#else - add #-24,r15 -#endif - mov r15,r14 - - mov r14,r1 - add #24,r1 - mov.l r7,@-r1 - mov.l r6,@-r1 - mov.l r5,@-r1 - mov.l r4,@-r1 - mov r1,r6 - -#if defined(__SH4__) - mov r14,r1 - add #56,r1 -#ifdef __LITTLE_ENDIAN__ - fmov.s fr10,@-r1 - fmov.s fr11,@-r1 - fmov.s fr8,@-r1 - fmov.s fr9,@-r1 - fmov.s fr6,@-r1 - fmov.s fr7,@-r1 - fmov.s fr4,@-r1 - fmov.s fr5,@-r1 -#else - fmov.s fr11,@-r1 - fmov.s fr10,@-r1 - fmov.s fr9,@-r1 - fmov.s fr8,@-r1 - fmov.s fr7,@-r1 - fmov.s fr6,@-r1 - fmov.s fr5,@-r1 - fmov.s fr4,@-r1 -#endif - mov r1,r7 -#endif - - mov r14,r1 - add #4,r1 - mov r1,r5 - - mov r14,r1 -#if defined(__SH4__) - add #64,r1 -#else - add #32,r1 -#endif - mov.l r1,@r14 - - mov.l L_helper,r0 - jsr @r0 - mov r3,r4 - - shll r0 - mov r0,r1 - mova L_table,r0 - add r1,r0 - mov.w @r0,r0 - mov r14,r2 - braf r0 - add #4,r2 -0: - .align 2 -L_helper: - .long ffi_closure_helper_SYSV -L_table: - .short L_case_v - 0b /* FFI_TYPE_VOID */ - .short L_case_i - 0b /* FFI_TYPE_INT */ -#if defined(__SH4__) - .short L_case_f - 0b /* FFI_TYPE_FLOAT */ - .short L_case_d - 0b /* FFI_TYPE_DOUBLE */ - .short L_case_d - 0b /* FFI_TYPE_LONGDOUBLE */ -#else - .short L_case_i - 0b /* FFI_TYPE_FLOAT */ - .short L_case_ll - 0b /* FFI_TYPE_DOUBLE */ - .short L_case_ll - 0b /* FFI_TYPE_LONGDOUBLE */ -#endif - .short L_case_uq - 0b /* FFI_TYPE_UINT8 */ - .short L_case_q - 0b /* FFI_TYPE_SINT8 */ - .short L_case_uh - 0b /* FFI_TYPE_UINT16 */ - .short L_case_h - 0b /* FFI_TYPE_SINT16 */ - .short L_case_i - 0b /* FFI_TYPE_UINT32 */ - .short L_case_i - 0b /* FFI_TYPE_SINT32 */ - .short L_case_ll - 0b /* FFI_TYPE_UINT64 */ - .short L_case_ll - 0b /* FFI_TYPE_SINT64 */ - .short L_case_v - 0b /* FFI_TYPE_STRUCT */ - .short L_case_i - 0b /* FFI_TYPE_POINTER */ - -#if defined(__SH4__) -L_case_d: -#ifdef __LITTLE_ENDIAN__ - fmov.s @r2+,fr1 - bra L_case_v - fmov.s @r2,fr0 -#else - fmov.s @r2+,fr0 - bra L_case_v - fmov.s @r2,fr1 -#endif - -L_case_f: - bra L_case_v - fmov.s @r2,fr0 -#endif - -L_case_ll: - mov.l @r2+,r0 - bra L_case_v - mov.l @r2,r1 - -L_case_i: - bra L_case_v - mov.l @r2,r0 - -L_case_q: -#ifdef __LITTLE_ENDIAN__ -#else - add #3,r2 -#endif - bra L_case_v - mov.b @r2,r0 - -L_case_uq: -#ifdef __LITTLE_ENDIAN__ -#else - add #3,r2 -#endif - mov.b @r2,r0 - bra L_case_v - extu.b r0,r0 - -L_case_h: -#ifdef __LITTLE_ENDIAN__ -#else - add #2,r2 -#endif - bra L_case_v - mov.w @r2,r0 - -L_case_uh: -#ifdef __LITTLE_ENDIAN__ -#else - add #2,r2 -#endif - mov.w @r2,r0 - extu.w r0,r0 - /* fall through */ - -L_case_v: -#if defined(__SH4__) - add #56,r15 -#else - add #24,r15 -#endif - lds.l @r15+,pr - rts - mov.l @r15+,r14 - -.ffi_closure_SYSV_end: - .size CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV) |