diff options
Diffstat (limited to 'Modules/_ctypes/libffi/src/m68k')
-rw-r--r-- | Modules/_ctypes/libffi/src/m68k/ffi.c | 362 | ||||
-rw-r--r-- | Modules/_ctypes/libffi/src/m68k/ffitarget.h | 54 | ||||
-rw-r--r-- | Modules/_ctypes/libffi/src/m68k/sysv.S | 330 |
3 files changed, 0 insertions, 746 deletions
diff --git a/Modules/_ctypes/libffi/src/m68k/ffi.c b/Modules/_ctypes/libffi/src/m68k/ffi.c deleted file mode 100644 index 0dee9383a8..0000000000 --- a/Modules/_ctypes/libffi/src/m68k/ffi.c +++ /dev/null @@ -1,362 +0,0 @@ -/* ----------------------------------------------------------------------- - ffi.c - - m68k Foreign Function Interface - ----------------------------------------------------------------------- */ - -#include <ffi.h> -#include <ffi_common.h> - -#include <stdlib.h> -#include <unistd.h> -#ifdef __rtems__ -void rtems_cache_flush_multiple_data_lines( const void *, size_t ); -#else -#include <sys/syscall.h> -#ifdef __MINT__ -#include <mint/mintbind.h> -#include <mint/ssystem.h> -#else -#include <asm/cachectl.h> -#endif -#endif - -void ffi_call_SYSV (extended_cif *, - unsigned, unsigned, - void *, void (*fn) ()); -void *ffi_prep_args (void *stack, extended_cif *ecif); -void ffi_closure_SYSV (ffi_closure *); -void ffi_closure_struct_SYSV (ffi_closure *); -unsigned int ffi_closure_SYSV_inner (ffi_closure *closure, - void *resp, void *args); - -/* ffi_prep_args is called by the assembly routine once stack space has - been allocated for the function's arguments. */ - -void * -ffi_prep_args (void *stack, extended_cif *ecif) -{ - unsigned int i; - void **p_argv; - char *argp; - ffi_type **p_arg; - void *struct_value_ptr; - - argp = stack; - - if ( -#ifdef __MINT__ - (ecif->cif->rtype->type == FFI_TYPE_LONGDOUBLE) || -#endif - (((ecif->cif->rtype->type == FFI_TYPE_STRUCT) - && !ecif->cif->flags))) - struct_value_ptr = ecif->rvalue; - else - struct_value_ptr = NULL; - - p_argv = ecif->avalue; - - for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types; - i != 0; - i--, p_arg++) - { - size_t z = (*p_arg)->size; - int type = (*p_arg)->type; - - if (z < sizeof (int)) - { - switch (type) - { - case FFI_TYPE_SINT8: - *(signed int *) argp = (signed int) *(SINT8 *) *p_argv; - break; - - case FFI_TYPE_UINT8: - *(unsigned int *) argp = (unsigned int) *(UINT8 *) *p_argv; - break; - - case FFI_TYPE_SINT16: - *(signed int *) argp = (signed int) *(SINT16 *) *p_argv; - break; - - case FFI_TYPE_UINT16: - *(unsigned int *) argp = (unsigned int) *(UINT16 *) *p_argv; - break; - - case FFI_TYPE_STRUCT: -#ifdef __MINT__ - if (z == 1 || z == 2) - memcpy (argp + 2, *p_argv, z); - else - memcpy (argp, *p_argv, z); -#else - memcpy (argp + sizeof (int) - z, *p_argv, z); -#endif - break; - - default: - FFI_ASSERT (0); - } - z = sizeof (int); - } - else - { - memcpy (argp, *p_argv, z); - - /* Align if necessary. */ - if ((sizeof(int) - 1) & z) - z = ALIGN(z, sizeof(int)); - } - - p_argv++; - argp += z; - } - - return struct_value_ptr; -} - -#define CIF_FLAGS_INT 1 -#define CIF_FLAGS_DINT 2 -#define CIF_FLAGS_FLOAT 4 -#define CIF_FLAGS_DOUBLE 8 -#define CIF_FLAGS_LDOUBLE 16 -#define CIF_FLAGS_POINTER 32 -#define CIF_FLAGS_STRUCT1 64 -#define CIF_FLAGS_STRUCT2 128 -#define CIF_FLAGS_SINT8 256 -#define CIF_FLAGS_SINT16 512 - -/* Perform machine dependent cif processing */ -ffi_status -ffi_prep_cif_machdep (ffi_cif *cif) -{ - /* Set the return type flag */ - switch (cif->rtype->type) - { - case FFI_TYPE_VOID: - cif->flags = 0; - break; - - case FFI_TYPE_STRUCT: - if (cif->rtype->elements[0]->type == FFI_TYPE_STRUCT && - cif->rtype->elements[1]) - { - cif->flags = 0; - break; - } - - switch (cif->rtype->size) - { - case 1: -#ifdef __MINT__ - cif->flags = CIF_FLAGS_STRUCT2; -#else - cif->flags = CIF_FLAGS_STRUCT1; -#endif - break; - case 2: - cif->flags = CIF_FLAGS_STRUCT2; - break; -#ifdef __MINT__ - case 3: -#endif - case 4: - cif->flags = CIF_FLAGS_INT; - break; -#ifdef __MINT__ - case 7: -#endif - case 8: - cif->flags = CIF_FLAGS_DINT; - break; - default: - cif->flags = 0; - break; - } - break; - - case FFI_TYPE_FLOAT: - cif->flags = CIF_FLAGS_FLOAT; - break; - - case FFI_TYPE_DOUBLE: - cif->flags = CIF_FLAGS_DOUBLE; - break; - -#if (FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE) - case FFI_TYPE_LONGDOUBLE: -#ifdef __MINT__ - cif->flags = 0; -#else - cif->flags = CIF_FLAGS_LDOUBLE; -#endif - break; -#endif - - case FFI_TYPE_POINTER: - cif->flags = CIF_FLAGS_POINTER; - break; - - case FFI_TYPE_SINT64: - case FFI_TYPE_UINT64: - cif->flags = CIF_FLAGS_DINT; - break; - - case FFI_TYPE_SINT16: - cif->flags = CIF_FLAGS_SINT16; - break; - - case FFI_TYPE_SINT8: - cif->flags = CIF_FLAGS_SINT8; - break; - - default: - cif->flags = CIF_FLAGS_INT; - break; - } - - return FFI_OK; -} - -void -ffi_call (ffi_cif *cif, void (*fn) (), void *rvalue, void **avalue) -{ - extended_cif ecif; - - ecif.cif = cif; - ecif.avalue = avalue; - - /* If the return value is a struct and we don't have a return value - address then we need to make one. */ - - if (rvalue == NULL - && cif->rtype->type == FFI_TYPE_STRUCT - && cif->rtype->size > 8) - ecif.rvalue = alloca (cif->rtype->size); - else - ecif.rvalue = rvalue; - - switch (cif->abi) - { - case FFI_SYSV: - ffi_call_SYSV (&ecif, cif->bytes, cif->flags, - ecif.rvalue, fn); - break; - - default: - FFI_ASSERT (0); - break; - } -} - -static void -ffi_prep_incoming_args_SYSV (char *stack, void **avalue, ffi_cif *cif) -{ - unsigned int i; - void **p_argv; - char *argp; - ffi_type **p_arg; - - argp = stack; - p_argv = avalue; - - for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++) - { - size_t z; - - z = (*p_arg)->size; -#ifdef __MINT__ - if (cif->flags && - cif->rtype->type == FFI_TYPE_STRUCT && - (z == 1 || z == 2)) - { - *p_argv = (void *) (argp + 2); - - z = 4; - } - else - if (cif->flags && - cif->rtype->type == FFI_TYPE_STRUCT && - (z == 3 || z == 4)) - { - *p_argv = (void *) (argp); - - z = 4; - } - else -#endif - if (z <= 4) - { - *p_argv = (void *) (argp + 4 - z); - - z = 4; - } - else - { - *p_argv = (void *) argp; - - /* Align if necessary */ - if ((sizeof(int) - 1) & z) - z = ALIGN(z, sizeof(int)); - } - - p_argv++; - argp += z; - } -} - -unsigned int -ffi_closure_SYSV_inner (ffi_closure *closure, void *resp, void *args) -{ - ffi_cif *cif; - void **arg_area; - - cif = closure->cif; - arg_area = (void**) alloca (cif->nargs * sizeof (void *)); - - ffi_prep_incoming_args_SYSV(args, arg_area, cif); - - (closure->fun) (cif, resp, arg_area, closure->user_data); - - return cif->flags; -} - -ffi_status -ffi_prep_closure_loc (ffi_closure* closure, - ffi_cif* cif, - void (*fun)(ffi_cif*,void*,void**,void*), - void *user_data, - void *codeloc) -{ - if (cif->abi != FFI_SYSV) - return FFI_BAD_ABI; - - *(unsigned short *)closure->tramp = 0x207c; - *(void **)(closure->tramp + 2) = codeloc; - *(unsigned short *)(closure->tramp + 6) = 0x4ef9; - - if ( -#ifdef __MINT__ - (cif->rtype->type == FFI_TYPE_LONGDOUBLE) || -#endif - (((cif->rtype->type == FFI_TYPE_STRUCT) - && !cif->flags))) - *(void **)(closure->tramp + 8) = ffi_closure_struct_SYSV; - else - *(void **)(closure->tramp + 8) = ffi_closure_SYSV; - -#ifdef __rtems__ - rtems_cache_flush_multiple_data_lines( codeloc, FFI_TRAMPOLINE_SIZE ); -#elif defined(__MINT__) - Ssystem(S_FLUSHCACHE, codeloc, FFI_TRAMPOLINE_SIZE); -#else - syscall(SYS_cacheflush, codeloc, FLUSH_SCOPE_LINE, - FLUSH_CACHE_BOTH, FFI_TRAMPOLINE_SIZE); -#endif - - closure->cif = cif; - closure->user_data = user_data; - closure->fun = fun; - - return FFI_OK; -} diff --git a/Modules/_ctypes/libffi/src/m68k/ffitarget.h b/Modules/_ctypes/libffi/src/m68k/ffitarget.h deleted file mode 100644 index e81dde2b2e..0000000000 --- a/Modules/_ctypes/libffi/src/m68k/ffitarget.h +++ /dev/null @@ -1,54 +0,0 @@ -/* -----------------------------------------------------------------*-C-*- - ffitarget.h - Copyright (c) 2012 Anthony Green - Copyright (c) 1996-2003 Red Hat, Inc. - Target configuration macros for Motorola 68K. - - 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. - - ----------------------------------------------------------------------- */ - -#ifndef LIBFFI_TARGET_H -#define LIBFFI_TARGET_H - -#ifndef LIBFFI_H -#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead." -#endif - -#ifndef LIBFFI_ASM -typedef unsigned long ffi_arg; -typedef signed long ffi_sarg; - -typedef enum ffi_abi { - FFI_FIRST_ABI = 0, - FFI_SYSV, - FFI_LAST_ABI, - FFI_DEFAULT_ABI = FFI_SYSV -} ffi_abi; -#endif - -/* ---- Definitions for closures ----------------------------------------- */ - -#define FFI_CLOSURES 1 -#define FFI_TRAMPOLINE_SIZE 16 -#define FFI_NATIVE_RAW_API 0 - -#endif - diff --git a/Modules/_ctypes/libffi/src/m68k/sysv.S b/Modules/_ctypes/libffi/src/m68k/sysv.S deleted file mode 100644 index ec2b14f3d9..0000000000 --- a/Modules/_ctypes/libffi/src/m68k/sysv.S +++ /dev/null @@ -1,330 +0,0 @@ -/* ----------------------------------------------------------------------- - - sysv.S - Copyright (c) 2012 Alan Hourihane - Copyright (c) 1998, 2012 Andreas Schwab - Copyright (c) 2008 Red Hat, Inc. - Copyright (c) 2012 Thorsten Glaser - - m68k 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> - -#ifdef HAVE_AS_CFI_PSEUDO_OP -#define CFI_STARTPROC() .cfi_startproc -#define CFI_OFFSET(reg,off) .cfi_offset reg,off -#define CFI_DEF_CFA(reg,off) .cfi_def_cfa reg,off -#define CFI_ENDPROC() .cfi_endproc -#else -#define CFI_STARTPROC() -#define CFI_OFFSET(reg,off) -#define CFI_DEF_CFA(reg,off) -#define CFI_ENDPROC() -#endif - -#ifdef __MINT__ -#define CALLFUNC(funcname) _ ## funcname -#else -#define CALLFUNC(funcname) funcname -#endif - - .text - - .globl CALLFUNC(ffi_call_SYSV) - .type CALLFUNC(ffi_call_SYSV),@function - .align 4 - -CALLFUNC(ffi_call_SYSV): - CFI_STARTPROC() - link %fp,#0 - CFI_OFFSET(14,-8) - CFI_DEF_CFA(14,8) - move.l %d2,-(%sp) - CFI_OFFSET(2,-12) - - | Make room for all of the new args. - sub.l 12(%fp),%sp - - | Call ffi_prep_args - move.l 8(%fp),-(%sp) - pea 4(%sp) -#if !defined __PIC__ - jsr CALLFUNC(ffi_prep_args) -#else - bsr.l CALLFUNC(ffi_prep_args@PLTPC) -#endif - addq.l #8,%sp - - | Pass pointer to struct value, if any -#ifdef __MINT__ - move.l %d0,%a1 -#else - move.l %a0,%a1 -#endif - - | Call the function - move.l 24(%fp),%a0 - jsr (%a0) - - | Remove the space we pushed for the args - add.l 12(%fp),%sp - - | Load the pointer to storage for the return value - move.l 20(%fp),%a1 - - | Load the return type code - move.l 16(%fp),%d2 - - | If the return value pointer is NULL, assume no return value. - | NOTE: On the mc68000, tst on an address register is not supported. -#if !defined(__mc68020__) && !defined(__mc68030__) && !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcoldfire__) - cmp.w #0, %a1 -#else - tst.l %a1 -#endif - jbeq noretval - - btst #0,%d2 - jbeq retlongint - move.l %d0,(%a1) - jbra epilogue - -retlongint: - btst #1,%d2 - jbeq retfloat - move.l %d0,(%a1) - move.l %d1,4(%a1) - jbra epilogue - -retfloat: - btst #2,%d2 - jbeq retdouble -#if defined(__MC68881__) || defined(__HAVE_68881__) - fmove.s %fp0,(%a1) -#else - move.l %d0,(%a1) -#endif - jbra epilogue - -retdouble: - btst #3,%d2 - jbeq retlongdouble -#if defined(__MC68881__) || defined(__HAVE_68881__) - fmove.d %fp0,(%a1) -#else - move.l %d0,(%a1)+ - move.l %d1,(%a1) -#endif - jbra epilogue - -retlongdouble: - btst #4,%d2 - jbeq retpointer -#if defined(__MC68881__) || defined(__HAVE_68881__) - fmove.x %fp0,(%a1) -#else - move.l %d0,(%a1)+ - move.l %d1,(%a1)+ - move.l %d2,(%a1) -#endif - jbra epilogue - -retpointer: - btst #5,%d2 - jbeq retstruct1 -#ifdef __MINT__ - move.l %d0,(%a1) -#else - move.l %a0,(%a1) -#endif - jbra epilogue - -retstruct1: - btst #6,%d2 - jbeq retstruct2 - move.b %d0,(%a1) - jbra epilogue - -retstruct2: - btst #7,%d2 - jbeq retsint8 - move.w %d0,(%a1) - jbra epilogue - -retsint8: - btst #8,%d2 - jbeq retsint16 - | NOTE: On the mc68000, extb is not supported. 8->16, then 16->32. -#if !defined(__mc68020__) && !defined(__mc68030__) && !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcoldfire__) - ext.w %d0 - ext.l %d0 -#else - extb.l %d0 -#endif - move.l %d0,(%a1) - jbra epilogue - -retsint16: - btst #9,%d2 - jbeq noretval - ext.l %d0 - move.l %d0,(%a1) - -noretval: -epilogue: - move.l (%sp)+,%d2 - unlk %fp - rts - CFI_ENDPROC() - .size CALLFUNC(ffi_call_SYSV),.-CALLFUNC(ffi_call_SYSV) - - .globl CALLFUNC(ffi_closure_SYSV) - .type CALLFUNC(ffi_closure_SYSV), @function - .align 4 - -CALLFUNC(ffi_closure_SYSV): - CFI_STARTPROC() - link %fp,#-12 - CFI_OFFSET(14,-8) - CFI_DEF_CFA(14,8) - move.l %sp,-12(%fp) - pea 8(%fp) - pea -12(%fp) - move.l %a0,-(%sp) -#if !defined __PIC__ - jsr CALLFUNC(ffi_closure_SYSV_inner) -#else - bsr.l CALLFUNC(ffi_closure_SYSV_inner@PLTPC) -#endif - - lsr.l #1,%d0 - jne 1f - jcc .Lcls_epilogue - | CIF_FLAGS_INT - move.l -12(%fp),%d0 -.Lcls_epilogue: - | no CIF_FLAGS_* - unlk %fp - rts -1: - lea -12(%fp),%a0 - lsr.l #2,%d0 - jne 1f - jcs .Lcls_ret_float - | CIF_FLAGS_DINT - move.l (%a0)+,%d0 - move.l (%a0),%d1 - jra .Lcls_epilogue -.Lcls_ret_float: -#if defined(__MC68881__) || defined(__HAVE_68881__) - fmove.s (%a0),%fp0 -#else - move.l (%a0),%d0 -#endif - jra .Lcls_epilogue -1: - lsr.l #2,%d0 - jne 1f - jcs .Lcls_ret_ldouble - | CIF_FLAGS_DOUBLE -#if defined(__MC68881__) || defined(__HAVE_68881__) - fmove.d (%a0),%fp0 -#else - move.l (%a0)+,%d0 - move.l (%a0),%d1 -#endif - jra .Lcls_epilogue -.Lcls_ret_ldouble: -#if defined(__MC68881__) || defined(__HAVE_68881__) - fmove.x (%a0),%fp0 -#else - move.l (%a0)+,%d0 - move.l (%a0)+,%d1 - move.l (%a0),%d2 -#endif - jra .Lcls_epilogue -1: - lsr.l #2,%d0 - jne 1f - jcs .Lcls_ret_struct1 - | CIF_FLAGS_POINTER - move.l (%a0),%a0 - move.l %a0,%d0 - jra .Lcls_epilogue -.Lcls_ret_struct1: - move.b (%a0),%d0 - jra .Lcls_epilogue -1: - lsr.l #2,%d0 - jne 1f - jcs .Lcls_ret_sint8 - | CIF_FLAGS_STRUCT2 - move.w (%a0),%d0 - jra .Lcls_epilogue -.Lcls_ret_sint8: - move.l (%a0),%d0 - | NOTE: On the mc68000, extb is not supported. 8->16, then 16->32. -#if !defined(__mc68020__) && !defined(__mc68030__) && !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcoldfire__) - ext.w %d0 - ext.l %d0 -#else - extb.l %d0 -#endif - jra .Lcls_epilogue -1: - | CIF_FLAGS_SINT16 - move.l (%a0),%d0 - ext.l %d0 - jra .Lcls_epilogue - CFI_ENDPROC() - - .size CALLFUNC(ffi_closure_SYSV),.-CALLFUNC(ffi_closure_SYSV) - - .globl CALLFUNC(ffi_closure_struct_SYSV) - .type CALLFUNC(ffi_closure_struct_SYSV), @function - .align 4 - -CALLFUNC(ffi_closure_struct_SYSV): - CFI_STARTPROC() - link %fp,#0 - CFI_OFFSET(14,-8) - CFI_DEF_CFA(14,8) - move.l %sp,-12(%fp) - pea 8(%fp) - move.l %a1,-(%sp) - move.l %a0,-(%sp) -#if !defined __PIC__ - jsr CALLFUNC(ffi_closure_SYSV_inner) -#else - bsr.l CALLFUNC(ffi_closure_SYSV_inner@PLTPC) -#endif - unlk %fp - rts - CFI_ENDPROC() - .size CALLFUNC(ffi_closure_struct_SYSV),.-CALLFUNC(ffi_closure_struct_SYSV) - -#if defined __ELF__ && defined __linux__ - .section .note.GNU-stack,"",@progbits -#endif |