summaryrefslogtreecommitdiff
path: root/libffi/src/x86
diff options
context:
space:
mode:
Diffstat (limited to 'libffi/src/x86')
-rw-r--r--libffi/src/x86/darwin.S195
-rw-r--r--libffi/src/x86/ffi.c557
-rw-r--r--libffi/src/x86/ffi64.c706
-rw-r--r--libffi/src/x86/ffi_darwin.c584
-rw-r--r--libffi/src/x86/ffitarget.h81
-rw-r--r--libffi/src/x86/sysv.S184
-rw-r--r--libffi/src/x86/unix64.S303
-rw-r--r--libffi/src/x86/win32.S259
8 files changed, 0 insertions, 2869 deletions
diff --git a/libffi/src/x86/darwin.S b/libffi/src/x86/darwin.S
deleted file mode 100644
index c5e55b5..0000000
--- a/libffi/src/x86/darwin.S
+++ /dev/null
@@ -1,195 +0,0 @@
-#ifdef __i386__
-/* -----------------------------------------------------------------------
- darwin.S - Copyright (c) 1996, 1998, 2001, 2002, 2003 Red Hat, Inc.
-
- X86 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.
- ----------------------------------------------------------------------- */
-
-/*
- * This file is based on sysv.S and then hacked up by Ronald who hasn't done
- * assembly programming in 8 years.
- */
-
-#ifndef __x86_64__
-
-#define LIBFFI_ASM
-#include <fficonfig.h>
-#include <ffi.h>
-
-.text
-
-.globl _ffi_prep_args
-
-.align 4
-.globl _ffi_call_SYSV
-
-_ffi_call_SYSV:
-.LFB1:
- pushl %ebp
-.LCFI0:
- movl %esp,%ebp
-.LCFI1:
- /* Make room for all of the new args. */
- movl 16(%ebp),%ecx
- subl %ecx,%esp
-
- movl %esp,%eax
-
- /* Place all of the ffi_prep_args in position */
- pushl 12(%ebp)
- pushl %eax
- call *8(%ebp)
-
- /* Return stack to previous state and call the function */
- addl $8,%esp
-
- call *28(%ebp)
-
- /* Remove the space we pushed for the args */
- movl 16(%ebp),%ecx
- addl %ecx,%esp
-
- /* Load %ecx with the return type code */
- movl 20(%ebp),%ecx
-
- /* If the return value pointer is NULL, assume no return value. */
- cmpl $0,24(%ebp)
- jne retint
-
- /* Even if there is no space for the return value, we are
- obliged to handle floating-point values. */
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne noretval
- fstp %st(0)
-
- jmp epilogue
-
-retint:
- cmpl $FFI_TYPE_INT,%ecx
- jne retfloat
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- jmp epilogue
-
-retfloat:
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne retdouble
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstps (%ecx)
- jmp epilogue
-
-retdouble:
- cmpl $FFI_TYPE_DOUBLE,%ecx
- jne retlongdouble
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpl (%ecx)
- jmp epilogue
-
-retlongdouble:
- cmpl $FFI_TYPE_LONGDOUBLE,%ecx
- jne retint64
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpt (%ecx)
- jmp epilogue
-
-retint64:
- cmpl $FFI_TYPE_SINT64,%ecx
- jne retstruct
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- movl %edx,4(%ecx)
-
-retstruct:
- /* Nothing to do! */
-
-noretval:
-epilogue:
- movl %ebp,%esp
- popl %ebp
- ret
-.LFE1:
-.ffi_call_SYSV_end:
-#if 0
- .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
-#endif
-
-#if 0
- .section .eh_frame,EH_FRAME_FLAGS,@progbits
-.Lframe1:
- .long .LECIE1-.LSCIE1 /* Length of Common Information Entry */
-.LSCIE1:
- .long 0x0 /* CIE Identifier Tag */
- .byte 0x1 /* CIE Version */
-#ifdef __PIC__
- .ascii "zR\0" /* CIE Augmentation */
-#else
- .ascii "\0" /* CIE Augmentation */
-#endif
- .byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */
- .byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */
- .byte 0x8 /* CIE RA Column */
-#ifdef __PIC__
- .byte 0x1 /* .uleb128 0x1; Augmentation size */
- .byte 0x1b /* FDE Encoding (pcrel sdata4) */
-#endif
- .byte 0xc /* DW_CFA_def_cfa */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x88 /* DW_CFA_offset, column 0x8 */
- .byte 0x1 /* .uleb128 0x1 */
- .align 4
-.LECIE1:
-.LSFDE1:
- .long .LEFDE1-.LASFDE1 /* FDE Length */
-.LASFDE1:
- .long .LASFDE1-.Lframe1 /* FDE CIE offset */
-#ifdef __PIC__
- .long .LFB1-. /* FDE initial location */
-#else
- .long .LFB1 /* FDE initial location */
-#endif
- .long .LFE1-.LFB1 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI0-.LFB1
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI1-.LCFI0
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
- .align 4
-.LEFDE1:
-#endif
-
-#endif /* ifndef __x86_64__ */
-
-#endif /* defined __i386__ */
diff --git a/libffi/src/x86/ffi.c b/libffi/src/x86/ffi.c
deleted file mode 100644
index 633e549..0000000
--- a/libffi/src/x86/ffi.c
+++ /dev/null
@@ -1,557 +0,0 @@
-/* -----------------------------------------------------------------------
- ffi.c - Copyright (c) 1996, 1998, 1999, 2001 Red Hat, Inc.
- Copyright (c) 2002 Ranjit Mathew
- Copyright (c) 2002 Bo Thorsen
- Copyright (c) 2002 Roger Sayle
-
- x86 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.
- ----------------------------------------------------------------------- */
-
-#ifndef __x86_64__
-
-#include <ffi.h>
-#include <ffi_common.h>
-
-#include <stdlib.h>
-
-/* ffi_prep_args is called by the assembly routine once stack space
- has been allocated for the function's arguments */
-
-/*@-exportheader@*/
-void ffi_prep_args(char *stack, extended_cif *ecif)
-/*@=exportheader@*/
-{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
-
- argp = stack;
-
- if (ecif->cif->flags == FFI_TYPE_STRUCT)
- {
- *(void **) argp = ecif->rvalue;
- argp += 4;
- }
-
- p_argv = ecif->avalue;
-
- for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
- i != 0;
- i--, p_arg++)
- {
- size_t z;
-
- /* Align if necessary */
- if ((sizeof(int) - 1) & (unsigned) argp)
- argp = (char *) ALIGN(argp, sizeof(int));
-
- z = (*p_arg)->size;
- if (z < sizeof(int))
- {
- z = sizeof(int);
- switch ((*p_arg)->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_SINT32:
- *(signed int *) argp = (signed int)*(SINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT32:
- *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_STRUCT:
- *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
- break;
-
- default:
- FFI_ASSERT(0);
- }
- }
- else
- {
- memcpy(argp, *p_argv, z);
- }
- p_argv++;
- argp += z;
- }
-
- return;
-}
-
-/* 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:
-#ifndef X86_WIN32
- case FFI_TYPE_STRUCT:
-#endif
- case FFI_TYPE_SINT64:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
- case FFI_TYPE_LONGDOUBLE:
- cif->flags = (unsigned) cif->rtype->type;
- break;
-
- case FFI_TYPE_UINT64:
- cif->flags = FFI_TYPE_SINT64;
- break;
-
-#ifdef X86_WIN32
- case FFI_TYPE_STRUCT:
- if (cif->rtype->size == 1)
- {
- cif->flags = FFI_TYPE_SINT8; /* same as char size */
- }
- else if (cif->rtype->size == 2)
- {
- cif->flags = FFI_TYPE_SINT16; /* same as short size */
- }
- else if (cif->rtype->size == 4)
- {
- cif->flags = FFI_TYPE_INT; /* same as int type */
- }
- else if (cif->rtype->size == 8)
- {
- cif->flags = FFI_TYPE_SINT64; /* same as int64 type */
- }
- else
- {
- cif->flags = FFI_TYPE_STRUCT;
- }
- break;
-#endif
-
- default:
- cif->flags = FFI_TYPE_INT;
- break;
- }
-
- return FFI_OK;
-}
-
-/*@-declundef@*/
-/*@-exportheader@*/
-extern void ffi_call_SYSV(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-/*@=declundef@*/
-/*@=exportheader@*/
-
-#ifdef X86_WIN32
-/*@-declundef@*/
-/*@-exportheader@*/
-extern void ffi_call_STDCALL(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-/*@=declundef@*/
-/*@=exportheader@*/
-#endif /* X86_WIN32 */
-
-void ffi_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ 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->flags == FFI_TYPE_STRUCT))
- {
- /*@-sysunrecog@*/
- ecif.rvalue = alloca(cif->rtype->size);
- /*@=sysunrecog@*/
- }
- else
- ecif.rvalue = rvalue;
-
-
- switch (cif->abi)
- {
- case FFI_SYSV:
- /*@-usedef@*/
- ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#ifdef X86_WIN32
- case FFI_STDCALL:
- /*@-usedef@*/
- ffi_call_STDCALL(ffi_prep_args, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#endif /* X86_WIN32 */
- default:
- FFI_ASSERT(0);
- break;
- }
-}
-
-
-/** private members **/
-
-static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
- void** args, ffi_cif* cif);
-static void ffi_closure_SYSV (ffi_closure *)
- __attribute__ ((regparm(1)));
-static void ffi_closure_raw_SYSV (ffi_raw_closure *)
- __attribute__ ((regparm(1)));
-
-/* This function is jumped to by the trampoline */
-
-static void
-ffi_closure_SYSV (closure)
- ffi_closure *closure;
-{
- // this is our return value storage
- long double res;
-
- // our various things...
- ffi_cif *cif;
- void **arg_area;
- unsigned short rtype;
- void *resp = (void*)&res;
- void *args = __builtin_dwarf_cfa ();
-
- cif = closure->cif;
- arg_area = (void**) alloca (cif->nargs * sizeof (void*));
-
- /* this call will initialize ARG_AREA, such that each
- * element in that array points to the corresponding
- * value on the stack; and if the function returns
- * a structure, it will re-set RESP to point to the
- * structure return address. */
-
- ffi_prep_incoming_args_SYSV(args, (void**)&resp, arg_area, cif);
-
- (closure->fun) (cif, resp, arg_area, closure->user_data);
-
- rtype = cif->flags;
-
- /* now, do a generic return based on the value of rtype */
- if (rtype == FFI_TYPE_INT)
- {
- asm ("movl (%0),%%eax" : : "r" (resp) : "eax");
- }
- else if (rtype == FFI_TYPE_FLOAT)
- {
- asm ("flds (%0)" : : "r" (resp) : "st" );
- }
- else if (rtype == FFI_TYPE_DOUBLE)
- {
- asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_LONGDOUBLE)
- {
- asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_SINT64)
- {
- asm ("movl 0(%0),%%eax;"
- "movl 4(%0),%%edx"
- : : "r"(resp)
- : "eax", "edx");
- }
-#ifdef X86_WIN32
- else if (rtype == FFI_TYPE_SINT8) /* 1-byte struct */
- {
- asm ("movsbl (%0),%%eax" : : "r" (resp) : "eax");
- }
- else if (rtype == FFI_TYPE_SINT16) /* 2-bytes struct */
- {
- asm ("movswl (%0),%%eax" : : "r" (resp) : "eax");
- }
-#endif
-}
-
-/*@-exportheader@*/
-static void
-ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
- void **avalue, ffi_cif *cif)
-/*@=exportheader@*/
-{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
-
- argp = stack;
-
- if ( cif->flags == FFI_TYPE_STRUCT ) {
- *rvalue = *(void **) argp;
- argp += 4;
- }
-
- p_argv = avalue;
-
- for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++)
- {
- size_t z;
-
- /* Align if necessary */
- if ((sizeof(int) - 1) & (unsigned) argp) {
- argp = (char *) ALIGN(argp, sizeof(int));
- }
-
- z = (*p_arg)->size;
-
- /* because we're little endian, this is what it turns into. */
-
- *p_argv = (void*) argp;
-
- p_argv++;
- argp += z;
- }
-
- return;
-}
-
-/* How to make a trampoline. Derived from gcc/config/i386/i386.c. */
-
-#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
-({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
- unsigned int __fun = (unsigned int)(FUN); \
- unsigned int __ctx = (unsigned int)(CTX); \
- unsigned int __dis = __fun - ((unsigned int) __tramp + FFI_TRAMPOLINE_SIZE); \
- *(unsigned char*) &__tramp[0] = 0xb8; \
- *(unsigned int*) &__tramp[1] = __ctx; /* movl __ctx, %eax */ \
- *(unsigned char *) &__tramp[5] = 0xe9; \
- *(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \
- })
-
-
-/* the cif must already be prep'ed */
-
-ffi_status
-ffi_prep_closure (ffi_closure* closure,
- ffi_cif* cif,
- void (*fun)(ffi_cif*,void*,void**,void*),
- void *user_data)
-{
- FFI_ASSERT (cif->abi == FFI_SYSV);
-
- FFI_INIT_TRAMPOLINE (&closure->tramp[0], \
- &ffi_closure_SYSV, \
- (void*)closure);
-
- closure->cif = cif;
- closure->user_data = user_data;
- closure->fun = fun;
-
- return FFI_OK;
-}
-
-/* ------- Native raw API support -------------------------------- */
-
-#if !FFI_NO_RAW_API
-
-static void
-ffi_closure_raw_SYSV (closure)
- ffi_raw_closure *closure;
-{
- // this is our return value storage
- long double res;
-
- // our various things...
- ffi_raw *raw_args;
- ffi_cif *cif;
- unsigned short rtype;
- void *resp = (void*)&res;
-
- /* get the cif */
- cif = closure->cif;
-
- /* the SYSV/X86 abi matches the RAW API exactly, well.. almost */
- raw_args = (ffi_raw*) __builtin_dwarf_cfa ();
-
- (closure->fun) (cif, resp, raw_args, closure->user_data);
-
- rtype = cif->flags;
-
- /* now, do a generic return based on the value of rtype */
- if (rtype == FFI_TYPE_INT)
- {
- asm ("movl (%0),%%eax" : : "r" (resp) : "eax");
- }
- else if (rtype == FFI_TYPE_FLOAT)
- {
- asm ("flds (%0)" : : "r" (resp) : "st" );
- }
- else if (rtype == FFI_TYPE_DOUBLE)
- {
- asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_LONGDOUBLE)
- {
- asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_SINT64)
- {
- asm ("movl 0(%0),%%eax; movl 4(%0),%%edx"
- : : "r"(resp)
- : "eax", "edx");
- }
-}
-
-
-
-
-ffi_status
-ffi_prep_raw_closure (ffi_raw_closure* closure,
- ffi_cif* cif,
- void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
- void *user_data)
-{
- int i;
-
- FFI_ASSERT (cif->abi == FFI_SYSV);
-
- // we currently don't support certain kinds of arguments for raw
- // closures. This should be implemented by a separate assembly language
- // routine, since it would require argument processing, something we
- // don't do now for performance.
-
- for (i = cif->nargs-1; i >= 0; i--)
- {
- FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_STRUCT);
- FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
- }
-
-
- FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV,
- (void*)closure);
-
- closure->cif = cif;
- closure->user_data = user_data;
- closure->fun = fun;
-
- return FFI_OK;
-}
-
-static void
-ffi_prep_args_raw(char *stack, extended_cif *ecif)
-{
- memcpy (stack, ecif->avalue, ecif->cif->bytes);
-}
-
-/* we borrow this routine from libffi (it must be changed, though, to
- * actually call the function passed in the first argument. as of
- * libffi-1.20, this is not the case.)
- */
-
-extern void
-ffi_call_SYSV(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-
-#ifdef X86_WIN32
-extern void
-ffi_call_STDCALL(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-#endif /* X86_WIN32 */
-
-void
-ffi_raw_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ ffi_raw *fake_avalue)
-{
- extended_cif ecif;
- void **avalue = (void **)fake_avalue;
-
- 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))
- {
- /*@-sysunrecog@*/
- ecif.rvalue = alloca(cif->rtype->size);
- /*@=sysunrecog@*/
- }
- else
- ecif.rvalue = rvalue;
-
-
- switch (cif->abi)
- {
- case FFI_SYSV:
- /*@-usedef@*/
- ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#ifdef X86_WIN32
- case FFI_STDCALL:
- /*@-usedef@*/
- ffi_call_STDCALL(ffi_prep_args_raw, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#endif /* X86_WIN32 */
- default:
- FFI_ASSERT(0);
- break;
- }
-}
-
-#endif
-
-#endif /* __x86_64__ */
diff --git a/libffi/src/x86/ffi64.c b/libffi/src/x86/ffi64.c
deleted file mode 100644
index 343ee92..0000000
--- a/libffi/src/x86/ffi64.c
+++ /dev/null
@@ -1,706 +0,0 @@
-/* -----------------------------------------------------------------------
- ffi.c - Copyright (c) 2002 Bo Thorsen <bo@suse.de>
-
- x86-64 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.
- ----------------------------------------------------------------------- */
-
-#include <ffi.h>
-#include <ffi_common.h>
-
-#include <stdlib.h>
-#include <stdarg.h>
-
-/* ffi_prep_args is called by the assembly routine once stack space
- has been allocated for the function's arguments */
-
-#ifdef __x86_64__
-
-#define MAX_GPR_REGS 6
-#define MAX_SSE_REGS 8
-typedef struct
-{
- /* Registers for argument passing. */
- long gpr[MAX_GPR_REGS];
- __int128_t sse[MAX_SSE_REGS];
-
- /* Stack space for arguments. */
- char argspace[0];
-} stackLayout;
-
-/* All reference to register classes here is identical to the code in
- gcc/config/i386/i386.c. Do *not* change one without the other. */
-
-/* Register class used for passing given 64bit part of the argument.
- These represent classes as documented by the PS ABI, with the exception
- of SSESF, SSEDF classes, that are basically SSE class, just gcc will
- use SF or DFmode move instead of DImode to avoid reformating penalties.
-
- Similary we play games with INTEGERSI_CLASS to use cheaper SImode moves
- whenever possible (upper half does contain padding).
- */
-enum x86_64_reg_class
- {
- X86_64_NO_CLASS,
- X86_64_INTEGER_CLASS,
- X86_64_INTEGERSI_CLASS,
- X86_64_SSE_CLASS,
- X86_64_SSESF_CLASS,
- X86_64_SSEDF_CLASS,
- X86_64_SSEUP_CLASS,
- X86_64_X87_CLASS,
- X86_64_X87UP_CLASS,
- X86_64_MEMORY_CLASS
- };
-
-#define MAX_CLASSES 4
-
-/* x86-64 register passing implementation. See x86-64 ABI for details. Goal
- of this code is to classify each 8bytes of incoming argument by the register
- class and assign registers accordingly. */
-
-/* Return the union class of CLASS1 and CLASS2.
- See the x86-64 PS ABI for details. */
-
-static enum x86_64_reg_class
-merge_classes (enum x86_64_reg_class class1, enum x86_64_reg_class class2)
-{
- /* Rule #1: If both classes are equal, this is the resulting class. */
- if (class1 == class2)
- return class1;
-
- /* Rule #2: If one of the classes is NO_CLASS, the resulting class is
- the other class. */
- if (class1 == X86_64_NO_CLASS)
- return class2;
- if (class2 == X86_64_NO_CLASS)
- return class1;
-
- /* Rule #3: If one of the classes is MEMORY, the result is MEMORY. */
- if (class1 == X86_64_MEMORY_CLASS || class2 == X86_64_MEMORY_CLASS)
- return X86_64_MEMORY_CLASS;
-
- /* Rule #4: If one of the classes is INTEGER, the result is INTEGER. */
- if ((class1 == X86_64_INTEGERSI_CLASS && class2 == X86_64_SSESF_CLASS)
- || (class2 == X86_64_INTEGERSI_CLASS && class1 == X86_64_SSESF_CLASS))
- return X86_64_INTEGERSI_CLASS;
- if (class1 == X86_64_INTEGER_CLASS || class1 == X86_64_INTEGERSI_CLASS
- || class2 == X86_64_INTEGER_CLASS || class2 == X86_64_INTEGERSI_CLASS)
- return X86_64_INTEGER_CLASS;
-
- /* Rule #5: If one of the classes is X87 or X87UP class, MEMORY is used. */
- if (class1 == X86_64_X87_CLASS || class1 == X86_64_X87UP_CLASS
- || class2 == X86_64_X87_CLASS || class2 == X86_64_X87UP_CLASS)
- return X86_64_MEMORY_CLASS;
-
- /* Rule #6: Otherwise class SSE is used. */
- return X86_64_SSE_CLASS;
-}
-
-/* Classify the argument of type TYPE and mode MODE.
- CLASSES will be filled by the register class used to pass each word
- of the operand. The number of words is returned. In case the parameter
- should be passed in memory, 0 is returned. As a special case for zero
- sized containers, classes[0] will be NO_CLASS and 1 is returned.
-
- See the x86-64 PS ABI for details.
-*/
-static int
-classify_argument (ffi_type *type, enum x86_64_reg_class classes[],
- int *byte_offset)
-{
- /* First, align to the right place. */
- *byte_offset = ALIGN(*byte_offset, type->alignment);
-
- switch (type->type)
- {
- case FFI_TYPE_UINT8:
- case FFI_TYPE_SINT8:
- case FFI_TYPE_UINT16:
- case FFI_TYPE_SINT16:
- case FFI_TYPE_UINT32:
- case FFI_TYPE_SINT32:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_SINT64:
- case FFI_TYPE_POINTER:
- if (((*byte_offset) % 8 + type->size) <= 4)
- classes[0] = X86_64_INTEGERSI_CLASS;
- else
- classes[0] = X86_64_INTEGER_CLASS;
- return 1;
- case FFI_TYPE_FLOAT:
- if (((*byte_offset) % 8) == 0)
- classes[0] = X86_64_SSESF_CLASS;
- else
- classes[0] = X86_64_SSE_CLASS;
- return 1;
- case FFI_TYPE_DOUBLE:
- classes[0] = X86_64_SSEDF_CLASS;
- return 1;
- case FFI_TYPE_LONGDOUBLE:
- classes[0] = X86_64_X87_CLASS;
- classes[1] = X86_64_X87UP_CLASS;
- return 2;
- case FFI_TYPE_STRUCT:
- {
- const int UNITS_PER_WORD = 8;
- int words = (type->size + UNITS_PER_WORD - 1) / UNITS_PER_WORD;
- ffi_type **ptr;
- int i;
- enum x86_64_reg_class subclasses[MAX_CLASSES];
-
- /* If the struct is larger than 16 bytes, pass it on the stack. */
- if (type->size > 16)
- return 0;
-
- for (i = 0; i < words; i++)
- classes[i] = X86_64_NO_CLASS;
-
- /* Merge the fields of structure. */
- for (ptr=type->elements; (*ptr)!=NULL; ptr++)
- {
- int num;
-
- num = classify_argument (*ptr, subclasses, byte_offset);
- if (num == 0)
- return 0;
- for (i = 0; i < num; i++)
- {
- int pos = *byte_offset / 8;
- classes[i + pos] =
- merge_classes (subclasses[i], classes[i + pos]);
- }
-
- if ((*ptr)->type != FFI_TYPE_STRUCT)
- *byte_offset += (*ptr)->size;
- }
-
- /* Final merger cleanup. */
- for (i = 0; i < words; i++)
- {
- /* If one class is MEMORY, everything should be passed in
- memory. */
- if (classes[i] == X86_64_MEMORY_CLASS)
- return 0;
-
- /* The X86_64_SSEUP_CLASS should be always preceded by
- X86_64_SSE_CLASS. */
- if (classes[i] == X86_64_SSEUP_CLASS
- && (i == 0 || classes[i - 1] != X86_64_SSE_CLASS))
- classes[i] = X86_64_SSE_CLASS;
-
- /* X86_64_X87UP_CLASS should be preceded by X86_64_X87_CLASS. */
- if (classes[i] == X86_64_X87UP_CLASS
- && (i == 0 || classes[i - 1] != X86_64_X87_CLASS))
- classes[i] = X86_64_SSE_CLASS;
- }
- return words;
- }
-
- default:
- FFI_ASSERT(0);
- }
- return 0; /* Never reached. */
-}
-
-/* Examine the argument and return set number of register required in each
- class. Return 0 iff parameter should be passed in memory. */
-static int
-examine_argument (ffi_type *type, int in_return, int *int_nregs,int *sse_nregs)
-{
- enum x86_64_reg_class class[MAX_CLASSES];
- int offset = 0;
- int n;
-
- n = classify_argument (type, class, &offset);
-
- if (n == 0)
- return 0;
-
- *int_nregs = 0;
- *sse_nregs = 0;
- for (n--; n>=0; n--)
- switch (class[n])
- {
- case X86_64_INTEGER_CLASS:
- case X86_64_INTEGERSI_CLASS:
- (*int_nregs)++;
- break;
- case X86_64_SSE_CLASS:
- case X86_64_SSESF_CLASS:
- case X86_64_SSEDF_CLASS:
- (*sse_nregs)++;
- break;
- case X86_64_NO_CLASS:
- case X86_64_SSEUP_CLASS:
- break;
- case X86_64_X87_CLASS:
- case X86_64_X87UP_CLASS:
- if (!in_return)
- return 0;
- break;
- default:
- abort ();
- }
- return 1;
-}
-
-/* Functions to load floats and double to an SSE register placeholder. */
-extern void float2sse (float, __int128_t *);
-extern void double2sse (double, __int128_t *);
-extern void floatfloat2sse (void *, __int128_t *);
-
-/* Functions to put the floats and doubles back. */
-extern float sse2float (__int128_t *);
-extern double sse2double (__int128_t *);
-extern void sse2floatfloat(__int128_t *, void *);
-
-/*@-exportheader@*/
-void
-ffi_prep_args (stackLayout *stack, extended_cif *ecif)
-/*@=exportheader@*/
-{
- int gprcount, ssecount, i, g, s;
- void **p_argv;
- void *argp = &stack->argspace;
- ffi_type **p_arg;
-
- /* First check if the return value should be passed in memory. If so,
- pass the pointer as the first argument. */
- gprcount = ssecount = 0;
- if (ecif->cif->rtype->type != FFI_TYPE_VOID
- && examine_argument (ecif->cif->rtype, 1, &g, &s) == 0)
- stack->gpr[gprcount++] = (long) ecif->rvalue;
-
- for (i=ecif->cif->nargs, p_arg=ecif->cif->arg_types, p_argv = ecif->avalue;
- i!=0; i--, p_arg++, p_argv++)
- {
- int in_register = 0;
-
- switch ((*p_arg)->type)
- {
- case FFI_TYPE_SINT8:
- case FFI_TYPE_SINT16:
- case FFI_TYPE_SINT32:
- case FFI_TYPE_SINT64:
- case FFI_TYPE_UINT8:
- case FFI_TYPE_UINT16:
- case FFI_TYPE_UINT32:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_POINTER:
- if (gprcount < MAX_GPR_REGS)
- {
- stack->gpr[gprcount] = 0;
- stack->gpr[gprcount++] = *(long long *)(*p_argv);
- in_register = 1;
- }
- break;
-
- case FFI_TYPE_FLOAT:
- if (ssecount < MAX_SSE_REGS)
- {
- float2sse (*(float *)(*p_argv), &stack->sse[ssecount++]);
- in_register = 1;
- }
- break;
-
- case FFI_TYPE_DOUBLE:
- if (ssecount < MAX_SSE_REGS)
- {
- double2sse (*(double *)(*p_argv), &stack->sse[ssecount++]);
- in_register = 1;
- }
- break;
- }
-
- if (in_register)
- continue;
-
- /* Either all places in registers where filled, or this is a
- type that potentially goes into a memory slot. */
- if (examine_argument (*p_arg, 0, &g, &s) == 0
- || gprcount + g > MAX_GPR_REGS || ssecount + s > MAX_SSE_REGS)
- {
- /* Pass this argument in memory. */
- argp = (void *)ALIGN(argp, (*p_arg)->alignment);
- memcpy (argp, *p_argv, (*p_arg)->size);
- argp += (*p_arg)->size;
- }
- else
- {
- /* All easy cases are eliminated. Now fire the big guns. */
-
- enum x86_64_reg_class classes[MAX_CLASSES];
- int offset = 0, j, num;
- void *a;
-
- num = classify_argument (*p_arg, classes, &offset);
- for (j=0, a=*p_argv; j<num; j++, a+=8)
- {
- switch (classes[j])
- {
- case X86_64_INTEGER_CLASS:
- case X86_64_INTEGERSI_CLASS:
- stack->gpr[gprcount++] = *(long long *)a;
- break;
- case X86_64_SSE_CLASS:
- floatfloat2sse (a, &stack->sse[ssecount++]);
- break;
- case X86_64_SSESF_CLASS:
- float2sse (*(float *)a, &stack->sse[ssecount++]);
- break;
- case X86_64_SSEDF_CLASS:
- double2sse (*(double *)a, &stack->sse[ssecount++]);
- break;
- default:
- abort();
- }
- }
- }
- }
-}
-
-/* Perform machine dependent cif processing. */
-ffi_status
-ffi_prep_cif_machdep (ffi_cif *cif)
-{
- int gprcount, ssecount, i, g, s;
-
- gprcount = ssecount = 0;
-
- /* Reset the byte count. We handle this size estimation here. */
- cif->bytes = 0;
-
- /* If the return value should be passed in memory, pass the pointer
- as the first argument. The actual memory isn't allocated here. */
- if (cif->rtype->type != FFI_TYPE_VOID
- && examine_argument (cif->rtype, 1, &g, &s) == 0)
- gprcount = 1;
-
- /* Go over all arguments and determine the way they should be passed.
- If it's in a register and there is space for it, let that be so. If
- not, add it's size to the stack byte count. */
- for (i=0; i<cif->nargs; i++)
- {
- if (examine_argument (cif->arg_types[i], 0, &g, &s) == 0
- || gprcount + g > MAX_GPR_REGS || ssecount + s > MAX_SSE_REGS)
- {
- /* This is passed in memory. First align to the basic type. */
- cif->bytes = ALIGN(cif->bytes, cif->arg_types[i]->alignment);
-
- /* Stack arguments are *always* at least 8 byte aligned. */
- cif->bytes = ALIGN(cif->bytes, 8);
-
- /* Now add the size of this argument. */
- cif->bytes += cif->arg_types[i]->size;
- }
- else
- {
- gprcount += g;
- ssecount += s;
- }
- }
-
- /* Set the flag for the closures return. */
- switch (cif->rtype->type)
- {
- case FFI_TYPE_VOID:
- case FFI_TYPE_STRUCT:
- case FFI_TYPE_SINT64:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
- case FFI_TYPE_LONGDOUBLE:
- cif->flags = (unsigned) cif->rtype->type;
- break;
-
- case FFI_TYPE_UINT64:
- cif->flags = FFI_TYPE_SINT64;
- break;
-
- default:
- cif->flags = FFI_TYPE_INT;
- break;
- }
-
- return FFI_OK;
-}
-
-typedef struct
-{
- long gpr[2];
- __int128_t sse[2];
- long double st0;
-} return_value;
-
-void
-ffi_fill_return_value (return_value *rv, extended_cif *ecif)
-{
- enum x86_64_reg_class classes[MAX_CLASSES];
- int i = 0, num;
- long *gpr = rv->gpr;
- __int128_t *sse = rv->sse;
- signed char sc;
- signed short ss;
-
- /* This is needed because of the way x86-64 handles signed short
- integers. */
- switch (ecif->cif->rtype->type)
- {
- case FFI_TYPE_SINT8:
- sc = *(signed char *)gpr;
- *(long long *)ecif->rvalue = (long long)sc;
- return;
- case FFI_TYPE_SINT16:
- ss = *(signed short *)gpr;
- *(long long *)ecif->rvalue = (long long)ss;
- return;
- default:
- /* Just continue. */
- ;
- }
-
- num = classify_argument (ecif->cif->rtype, classes, &i);
-
- if (num == 0)
- /* Return in memory. */
- ecif->rvalue = (void *) rv->gpr[0];
- else if (num == 2 && classes[0] == X86_64_X87_CLASS &&
- classes[1] == X86_64_X87UP_CLASS)
- /* This is a long double (this is easiest to handle this way instead
- of an eightbyte at a time as in the loop below. */
- *((long double *)ecif->rvalue) = rv->st0;
- else
- {
- void *a;
-
- for (i=0, a=ecif->rvalue; i<num; i++, a+=8)
- {
- switch (classes[i])
- {
- case X86_64_INTEGER_CLASS:
- case X86_64_INTEGERSI_CLASS:
- *(long long *)a = *gpr;
- gpr++;
- break;
- case X86_64_SSE_CLASS:
- sse2floatfloat (sse++, a);
- break;
- case X86_64_SSESF_CLASS:
- *(float *)a = sse2float (sse++);
- break;
- case X86_64_SSEDF_CLASS:
- *(double *)a = sse2double (sse++);
- break;
- default:
- abort();
- }
- }
- }
-}
-
-/*@-declundef@*/
-/*@-exportheader@*/
-extern void ffi_call_UNIX64(void (*)(stackLayout *, extended_cif *),
- void (*) (return_value *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, /*@out@*/ unsigned *, void (*fn)());
-/*@=declundef@*/
-/*@=exportheader@*/
-
-void ffi_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ void **avalue)
-{
- extended_cif ecif;
- int dummy;
-
- 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) &&
- (examine_argument (cif->rtype, 1, &dummy, &dummy) == 0))
- {
- /*@-sysunrecog@*/
- ecif.rvalue = alloca(cif->rtype->size);
- /*@=sysunrecog@*/
- }
- else
- ecif.rvalue = rvalue;
-
- /* Stack must always be 16byte aligned. Make it so. */
- cif->bytes = ALIGN(cif->bytes, 16);
-
- switch (cif->abi)
- {
- case FFI_SYSV:
- /* Calling 32bit code from 64bit is not possible */
- FFI_ASSERT(0);
- break;
-
- case FFI_UNIX64:
- /*@-usedef@*/
- ffi_call_UNIX64 (ffi_prep_args, ffi_fill_return_value, &ecif,
- cif->bytes, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-
- default:
- FFI_ASSERT(0);
- break;
- }
-}
-
-extern void ffi_closure_UNIX64(void);
-
-ffi_status
-ffi_prep_closure (ffi_closure* closure,
- ffi_cif* cif,
- void (*fun)(ffi_cif*, void*, void**, void*),
- void *user_data)
-{
- volatile unsigned short *tramp;
-
- /* FFI_ASSERT (cif->abi == FFI_OSF); */
-
- tramp = (volatile unsigned short *) &closure->tramp[0];
- tramp[0] = 0xbb49; /* mov <code>, %r11 */
- tramp[5] = 0xba49; /* mov <data>, %r10 */
- tramp[10] = 0xff49; /* jmp *%r11 */
- tramp[11] = 0x00e3;
- *(void * volatile *) &tramp[1] = ffi_closure_UNIX64;
- *(void * volatile *) &tramp[6] = closure;
-
- closure->cif = cif;
- closure->fun = fun;
- closure->user_data = user_data;
-
- return FFI_OK;
-}
-
-int
-ffi_closure_UNIX64_inner(ffi_closure *closure, va_list l, void *rp)
-{
- ffi_cif *cif;
- void **avalue;
- ffi_type **arg_types;
- long i, avn, argn;
-
- cif = closure->cif;
- avalue = alloca(cif->nargs * sizeof(void *));
-
- argn = 0;
-
- i = 0;
- avn = cif->nargs;
- arg_types = cif->arg_types;
-
- /* Grab the addresses of the arguments from the stack frame. */
- while (i < avn)
- {
- switch (arg_types[i]->type)
- {
- case FFI_TYPE_SINT8:
- case FFI_TYPE_UINT8:
- case FFI_TYPE_SINT16:
- case FFI_TYPE_UINT16:
- case FFI_TYPE_SINT32:
- case FFI_TYPE_UINT32:
- case FFI_TYPE_SINT64:
- case FFI_TYPE_UINT64:
- case FFI_TYPE_POINTER:
- {
- if (l->gp_offset > 48-8)
- {
- avalue[i] = l->overflow_arg_area;
- l->overflow_arg_area = (char *)l->overflow_arg_area + 8;
- }
- else
- {
- avalue[i] = (char *)l->reg_save_area + l->gp_offset;
- l->gp_offset += 8;
- }
- }
- break;
-
- case FFI_TYPE_STRUCT:
- /* FIXME */
- FFI_ASSERT(0);
- break;
-
- case FFI_TYPE_DOUBLE:
- {
- if (l->fp_offset > 176-16)
- {
- avalue[i] = l->overflow_arg_area;
- l->overflow_arg_area = (char *)l->overflow_arg_area + 8;
- }
- else
- {
- avalue[i] = (char *)l->reg_save_area + l->fp_offset;
- l->fp_offset += 16;
- }
- }
-#if DEBUG_FFI
- fprintf (stderr, "double arg %d = %g\n", i, *(double *)avalue[i]);
-#endif
- break;
-
- case FFI_TYPE_FLOAT:
- {
- if (l->fp_offset > 176-16)
- {
- avalue[i] = l->overflow_arg_area;
- l->overflow_arg_area = (char *)l->overflow_arg_area + 8;
- }
- else
- {
- avalue[i] = (char *)l->reg_save_area + l->fp_offset;
- l->fp_offset += 16;
- }
- }
-#if DEBUG_FFI
- fprintf (stderr, "float arg %d = %g\n", i, *(float *)avalue[i]);
-#endif
- break;
-
- default:
- FFI_ASSERT(0);
- }
-
- argn += ALIGN(arg_types[i]->size, FFI_SIZEOF_ARG) / FFI_SIZEOF_ARG;
- i++;
- }
-
- /* Invoke the closure. */
- (closure->fun) (cif, rp, avalue, closure->user_data);
-
- /* FIXME: Structs not supported. */
- FFI_ASSERT(cif->rtype->type != FFI_TYPE_STRUCT);
-
- /* Tell ffi_closure_UNIX64 how to perform return type promotions. */
-
- return cif->rtype->type;
-}
-#endif /* ifndef __x86_64__ */
diff --git a/libffi/src/x86/ffi_darwin.c b/libffi/src/x86/ffi_darwin.c
deleted file mode 100644
index bf79c56..0000000
--- a/libffi/src/x86/ffi_darwin.c
+++ /dev/null
@@ -1,584 +0,0 @@
-#ifdef __i386__
-/* -----------------------------------------------------------------------
- ffi.c - Copyright (c) 1996, 1998, 1999, 2001 Red Hat, Inc.
- Copyright (c) 2002 Ranjit Mathew
- Copyright (c) 2002 Bo Thorsen
- Copyright (c) 2002 Roger Sayle
-
- x86 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.
- ----------------------------------------------------------------------- */
-
-#ifndef __x86_64__
-
-#include <ffi.h>
-#include <ffi_common.h>
-
-#include <stdlib.h>
-
-/* ffi_prep_args is called by the assembly routine once stack space
- has been allocated for the function's arguments */
-
-/*@-exportheader@*/
-void ffi_prep_args(char *stack, extended_cif *ecif)
-/*@=exportheader@*/
-{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
-
- argp = stack;
-
- if (ecif->cif->flags == FFI_TYPE_STRUCT && ecif->cif->rtype->size > 8)
- {
- *(void **) argp = ecif->rvalue;
- argp += 4;
- }
-
- p_argv = ecif->avalue;
-
- for (i = ecif->cif->nargs, p_arg = ecif->cif->arg_types;
- i != 0;
- i--, p_arg++)
- {
- size_t z;
-
- /* Align if necessary */
- if ((sizeof(int) - 1) & (unsigned) argp)
- argp = (char *) ALIGN(argp, sizeof(int));
-
- z = (*p_arg)->size;
- if (z < sizeof(int))
- {
- z = sizeof(int);
- switch ((*p_arg)->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_SINT32:
- *(signed int *) argp = (signed int)*(SINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_UINT32:
- *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
- break;
-
- case FFI_TYPE_STRUCT:
- *(unsigned int *) argp = (unsigned int)*(UINT32 *)(* p_argv);
- break;
-
- default:
- FFI_ASSERT(0);
- }
- }
- else
- {
- memcpy(argp, *p_argv, z);
- }
- p_argv++;
- argp += z;
- }
-
- return;
-}
-
-/* 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:
-#if !defined(X86_WIN32)
- case FFI_TYPE_STRUCT:
-#endif
- case FFI_TYPE_SINT64:
- case FFI_TYPE_FLOAT:
- case FFI_TYPE_DOUBLE:
- case FFI_TYPE_LONGDOUBLE:
- cif->flags = (unsigned) cif->rtype->type;
- break;
-
- case FFI_TYPE_UINT64:
- cif->flags = FFI_TYPE_SINT64;
- break;
-
-#if defined X86_WIN32
-
- case FFI_TYPE_STRUCT:
- if (cif->rtype->size == 1)
- {
- cif->flags = FFI_TYPE_SINT8; /* same as char size */
- }
- else if (cif->rtype->size == 2)
- {
- cif->flags = FFI_TYPE_SINT16; /* same as short size */
- }
- else if (cif->rtype->size == 4)
- {
- cif->flags = FFI_TYPE_INT; /* same as int type */
- }
- else if (cif->rtype->size == 8)
- {
- cif->flags = FFI_TYPE_SINT64; /* same as int64 type */
- }
- else
- {
- cif->flags = FFI_TYPE_STRUCT;
- }
- break;
-#endif
-
- default:
- cif->flags = FFI_TYPE_INT;
- break;
- }
-
- /* Darwin: The stack needs to be aligned to a multiple of 16 bytes */
- cif->bytes = (cif->bytes + 15) & ~0xF;
-
- return FFI_OK;
-}
-
-/*@-declundef@*/
-/*@-exportheader@*/
-extern void ffi_call_SYSV(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-/*@=declundef@*/
-/*@=exportheader@*/
-
-#ifdef X86_WIN32
-/*@-declundef@*/
-/*@-exportheader@*/
-extern void ffi_call_STDCALL(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-/*@=declundef@*/
-/*@=exportheader@*/
-#endif /* X86_WIN32 */
-
-void ffi_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ void **avalue)
-{
- extended_cif ecif;
- int flags;
-
- 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->flags == FFI_TYPE_STRUCT) && (cif->rtype->size > 8))
- {
- /*@-sysunrecog@*/
- ecif.rvalue = alloca(cif->rtype->size);
- /*@=sysunrecog@*/
- }
- else
- ecif.rvalue = rvalue;
-
- flags = cif->flags;
- if (flags == FFI_TYPE_STRUCT) {
- if (cif->rtype->size == 8) {
- flags = FFI_TYPE_SINT64;
- } else if (cif->rtype->size < 8) {
- flags = FFI_TYPE_INT;
- }
- }
-
-
- switch (cif->abi)
- {
- case FFI_SYSV:
- /*@-usedef@*/
- ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes,
- flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#ifdef X86_WIN32
- case FFI_STDCALL:
- /*@-usedef@*/
- ffi_call_STDCALL(ffi_prep_args, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#endif /* X86_WIN32 */
- default:
- FFI_ASSERT(0);
- break;
- }
-}
-
-
-/** private members **/
-
-static void ffi_prep_incoming_args_SYSV (char *stack, void **ret,
- void** args, ffi_cif* cif);
-static void ffi_closure_SYSV (ffi_closure *)
- __attribute__ ((regparm(1)));
-#if !FFI_NO_RAW_API
-static void ffi_closure_raw_SYSV (ffi_raw_closure *)
- __attribute__ ((regparm(1)));
-#endif
-
-/* This function is jumped to by the trampoline */
-
-static void
-ffi_closure_SYSV (closure)
- ffi_closure *closure;
-{
- // this is our return value storage
- long double res;
-
- // our various things...
- ffi_cif *cif;
- void **arg_area;
- unsigned short rtype;
- void *resp = (void*)&res;
- void *args = __builtin_dwarf_cfa ();
-
- cif = closure->cif;
- arg_area = (void**) alloca (cif->nargs * sizeof (void*));
-
- /* this call will initialize ARG_AREA, such that each
- * element in that array points to the corresponding
- * value on the stack; and if the function returns
- * a structure, it will re-set RESP to point to the
- * structure return address. */
-
- ffi_prep_incoming_args_SYSV(args, (void**)&resp, arg_area, cif);
-
- (closure->fun) (cif, resp, arg_area, closure->user_data);
-
- rtype = cif->flags;
-
- if (rtype == FFI_TYPE_STRUCT && cif->rtype->size <= 8) {
- if (cif->rtype->size == 8) {
- rtype = FFI_TYPE_SINT64;
- } else {
- rtype = FFI_TYPE_INT;
- }
- }
-
- /* now, do a generic return based on the value of rtype */
- if (rtype == FFI_TYPE_INT)
- {
- asm ("movl (%0),%%eax" : : "r" (resp) : "eax");
- }
- else if (rtype == FFI_TYPE_FLOAT)
- {
- asm ("flds (%0)" : : "r" (resp) : "st" );
- }
- else if (rtype == FFI_TYPE_DOUBLE)
- {
- asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_LONGDOUBLE)
- {
- asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_SINT64)
- {
- asm ("movl 0(%0),%%eax;"
- "movl 4(%0),%%edx"
- : : "r"(resp)
- : "eax", "edx");
- }
-#ifdef X86_WIN32
- else if (rtype == FFI_TYPE_SINT8) /* 1-byte struct */
- {
- asm ("movsbl (%0),%%eax" : : "r" (resp) : "eax");
- }
- else if (rtype == FFI_TYPE_SINT16) /* 2-bytes struct */
- {
- asm ("movswl (%0),%%eax" : : "r" (resp) : "eax");
- }
-#endif
-}
-
-/*@-exportheader@*/
-static void
-ffi_prep_incoming_args_SYSV(char *stack, void **rvalue,
- void **avalue, ffi_cif *cif)
-/*@=exportheader@*/
-{
- register unsigned int i;
- register void **p_argv;
- register char *argp;
- register ffi_type **p_arg;
-
- argp = stack;
-
- if ( cif->flags == FFI_TYPE_STRUCT && (cif->rtype->size > 8)) {
- *rvalue = *(void **) argp;
- argp += 4;
- }
-
- p_argv = avalue;
-
- for (i = cif->nargs, p_arg = cif->arg_types; (i != 0); i--, p_arg++)
- {
- size_t z;
-
- /* Align if necessary */
- if ((sizeof(int) - 1) & (unsigned) argp) {
- argp = (char *) ALIGN(argp, sizeof(int));
- }
-
- z = (*p_arg)->size;
-
- /* because we're little endian, this is what it turns into. */
-
- *p_argv = (void*) argp;
-
- p_argv++;
- argp += z;
- }
-
- return;
-}
-
-/* How to make a trampoline. Derived from gcc/config/i386/i386.c. */
-
-#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX) \
-({ unsigned char *__tramp = (unsigned char*)(TRAMP); \
- unsigned int __fun = (unsigned int)(FUN); \
- unsigned int __ctx = (unsigned int)(CTX); \
- unsigned int __dis = __fun - ((unsigned int) __tramp + FFI_TRAMPOLINE_SIZE); \
- *(unsigned char*) &__tramp[0] = 0xb8; \
- *(unsigned int*) &__tramp[1] = __ctx; /* movl __ctx, %eax */ \
- *(unsigned char *) &__tramp[5] = 0xe9; \
- *(unsigned int*) &__tramp[6] = __dis; /* jmp __fun */ \
- })
-
-
-/* the cif must already be prep'ed */
-
-ffi_status
-ffi_prep_closure (ffi_closure* closure,
- ffi_cif* cif,
- void (*fun)(ffi_cif*,void*,void**,void*),
- void *user_data)
-{
- FFI_ASSERT (cif->abi == FFI_SYSV);
-
- FFI_INIT_TRAMPOLINE (&closure->tramp[0], \
- &ffi_closure_SYSV, \
- (void*)closure);
-
- closure->cif = cif;
- closure->user_data = user_data;
- closure->fun = fun;
-
- return FFI_OK;
-}
-
-/* ------- Native raw API support -------------------------------- */
-
-#if !FFI_NO_RAW_API
-
-static void
-ffi_closure_raw_SYSV (closure)
- ffi_raw_closure *closure;
-{
- // this is our return value storage
- long double res;
-
- // our various things...
- ffi_raw *raw_args;
- ffi_cif *cif;
- unsigned short rtype;
- void *resp = (void*)&res;
-
- /* get the cif */
- cif = closure->cif;
-
- /* the SYSV/X86 abi matches the RAW API exactly, well.. almost */
- raw_args = (ffi_raw*) __builtin_dwarf_cfa ();
-
- (closure->fun) (cif, resp, raw_args, closure->user_data);
-
- rtype = cif->flags;
-
- /* now, do a generic return based on the value of rtype */
- if (rtype == FFI_TYPE_INT)
- {
- asm ("movl (%0),%%eax" : : "r" (resp) : "eax");
- }
- else if (rtype == FFI_TYPE_FLOAT)
- {
- asm ("flds (%0)" : : "r" (resp) : "st" );
- }
- else if (rtype == FFI_TYPE_DOUBLE)
- {
- asm ("fldl (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_LONGDOUBLE)
- {
- asm ("fldt (%0)" : : "r" (resp) : "st", "st(1)" );
- }
- else if (rtype == FFI_TYPE_SINT64)
- {
- asm ("movl 0(%0),%%eax; movl 4(%0),%%edx"
- : : "r"(resp)
- : "eax", "edx");
- }
-}
-
-
-
-
-ffi_status
-ffi_prep_raw_closure (ffi_raw_closure* closure,
- ffi_cif* cif,
- void (*fun)(ffi_cif*,void*,ffi_raw*,void*),
- void *user_data)
-{
- int i;
-
- FFI_ASSERT (cif->abi == FFI_SYSV);
-
- // we currently don't support certain kinds of arguments for raw
- // closures. This should be implemented by a separate assembly language
- // routine, since it would require argument processing, something we
- // don't do now for performance.
-
- for (i = cif->nargs-1; i >= 0; i--)
- {
- FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_STRUCT);
- FFI_ASSERT (cif->arg_types[i]->type != FFI_TYPE_LONGDOUBLE);
- }
-
-
- FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_raw_SYSV,
- (void*)closure);
-
- closure->cif = cif;
- closure->user_data = user_data;
- closure->fun = fun;
-
- return FFI_OK;
-}
-
-static void
-ffi_prep_args_raw(char *stack, extended_cif *ecif)
-{
- memcpy (stack, ecif->avalue, ecif->cif->bytes);
-}
-
-/* we borrow this routine from libffi (it must be changed, though, to
- * actually call the function passed in the first argument. as of
- * libffi-1.20, this is not the case.)
- */
-
-extern void
-ffi_call_SYSV(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-
-#ifdef X86_WIN32
-extern void
-ffi_call_STDCALL(void (*)(char *, extended_cif *),
- /*@out@*/ extended_cif *,
- unsigned, unsigned,
- /*@out@*/ unsigned *,
- void (*fn)());
-#endif /* X86_WIN32 */
-
-void
-ffi_raw_call(/*@dependent@*/ ffi_cif *cif,
- void (*fn)(),
- /*@out@*/ void *rvalue,
- /*@dependent@*/ ffi_raw *fake_avalue)
-{
- extended_cif ecif;
- void **avalue = (void **)fake_avalue;
-
- 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))
- {
- /*@-sysunrecog@*/
- ecif.rvalue = alloca(cif->rtype->size);
- /*@=sysunrecog@*/
- }
- else
- ecif.rvalue = rvalue;
-
-
- switch (cif->abi)
- {
- case FFI_SYSV:
- /*@-usedef@*/
- ffi_call_SYSV(ffi_prep_args_raw, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#ifdef X86_WIN32
- case FFI_STDCALL:
- /*@-usedef@*/
- ffi_call_STDCALL(ffi_prep_args_raw, &ecif, cif->bytes,
- cif->flags, ecif.rvalue, fn);
- /*@=usedef@*/
- break;
-#endif /* X86_WIN32 */
- default:
- FFI_ASSERT(0);
- break;
- }
-}
-
-#endif
-
-#endif /* __x86_64__ */
-
-#endif /* __i386__ */
diff --git a/libffi/src/x86/ffitarget.h b/libffi/src/x86/ffitarget.h
deleted file mode 100644
index 9500f40..0000000
--- a/libffi/src/x86/ffitarget.h
+++ /dev/null
@@ -1,81 +0,0 @@
-/* -----------------------------------------------------------------*-C-*-
- ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc.
- Target configuration macros for x86 and x86-64.
-
- 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.
-
- ----------------------------------------------------------------------- */
-
-#ifndef LIBFFI_TARGET_H
-#define LIBFFI_TARGET_H
-
-/* ---- System specific configurations ----------------------------------- */
-
-#if defined (X86_64) && defined (__i386__)
-#undef X86_64
-#define X86
-#endif
-
-/* ---- Generic type definitions ----------------------------------------- */
-
-#ifndef LIBFFI_ASM
-typedef unsigned long ffi_arg;
-typedef signed long ffi_sarg;
-
-typedef enum ffi_abi {
- FFI_FIRST_ABI = 0,
-
- /* ---- Intel x86 Win32 ---------- */
-#ifdef X86_WIN32
- FFI_SYSV,
- FFI_STDCALL,
- /* TODO: Add fastcall support for the sake of completeness */
- FFI_DEFAULT_ABI = FFI_SYSV,
-#endif
-
- /* ---- Intel x86 and AMD x86-64 - */
-#if !defined(X86_WIN32) && (defined(__i386__) || defined(__x86_64__))
- FFI_SYSV,
- FFI_UNIX64, /* Unix variants all use the same ABI for x86-64 */
-#ifdef __i386__
- FFI_DEFAULT_ABI = FFI_SYSV,
-#else
- FFI_DEFAULT_ABI = FFI_UNIX64,
-#endif
-#endif
-
- FFI_LAST_ABI = FFI_DEFAULT_ABI + 1
-} ffi_abi;
-#endif
-
-/* ---- Definitions for closures ----------------------------------------- */
-
-#define FFI_CLOSURES 1
-
-#ifdef X86_64
-#define FFI_TRAMPOLINE_SIZE 24
-#define FFI_NATIVE_RAW_API 0
-#else
-#define FFI_TRAMPOLINE_SIZE 10
-#define FFI_NATIVE_RAW_API 1 /* x86 has native raw api support */
-#endif
-
-#endif
-
diff --git a/libffi/src/x86/sysv.S b/libffi/src/x86/sysv.S
deleted file mode 100644
index 53a4c2b..0000000
--- a/libffi/src/x86/sysv.S
+++ /dev/null
@@ -1,184 +0,0 @@
-/* -----------------------------------------------------------------------
- sysv.S - Copyright (c) 1996, 1998, 2001, 2002, 2003 Red Hat, Inc.
-
- X86 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.
- ----------------------------------------------------------------------- */
-
-#ifndef __x86_64__
-
-#define LIBFFI_ASM
-#include <fficonfig.h>
-#include <ffi.h>
-
-.text
-
-.globl ffi_prep_args
-
- .align 4
-.globl ffi_call_SYSV
- .type ffi_call_SYSV,@function
-
-ffi_call_SYSV:
-.LFB1:
- pushl %ebp
-.LCFI0:
- movl %esp,%ebp
-.LCFI1:
- /* Make room for all of the new args. */
- movl 16(%ebp),%ecx
- subl %ecx,%esp
-
- movl %esp,%eax
-
- /* Place all of the ffi_prep_args in position */
- pushl 12(%ebp)
- pushl %eax
- call *8(%ebp)
-
- /* Return stack to previous state and call the function */
- addl $8,%esp
-
- call *28(%ebp)
-
- /* Remove the space we pushed for the args */
- movl 16(%ebp),%ecx
- addl %ecx,%esp
-
- /* Load %ecx with the return type code */
- movl 20(%ebp),%ecx
-
- /* If the return value pointer is NULL, assume no return value. */
- cmpl $0,24(%ebp)
- jne retint
-
- /* Even if there is no space for the return value, we are
- obliged to handle floating-point values. */
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne noretval
- fstp %st(0)
-
- jmp epilogue
-
-retint:
- cmpl $FFI_TYPE_INT,%ecx
- jne retfloat
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- jmp epilogue
-
-retfloat:
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne retdouble
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstps (%ecx)
- jmp epilogue
-
-retdouble:
- cmpl $FFI_TYPE_DOUBLE,%ecx
- jne retlongdouble
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpl (%ecx)
- jmp epilogue
-
-retlongdouble:
- cmpl $FFI_TYPE_LONGDOUBLE,%ecx
- jne retint64
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- fstpt (%ecx)
- jmp epilogue
-
-retint64:
- cmpl $FFI_TYPE_SINT64,%ecx
- jne retstruct
- /* Load %ecx with the pointer to storage for the return value */
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- movl %edx,4(%ecx)
-
-retstruct:
- /* Nothing to do! */
-
-noretval:
-epilogue:
- movl %ebp,%esp
- popl %ebp
- ret
-.LFE1:
-.ffi_call_SYSV_end:
- .size ffi_call_SYSV,.ffi_call_SYSV_end-ffi_call_SYSV
-
- .section .eh_frame,EH_FRAME_FLAGS,@progbits
-.Lframe1:
- .long .LECIE1-.LSCIE1 /* Length of Common Information Entry */
-.LSCIE1:
- .long 0x0 /* CIE Identifier Tag */
- .byte 0x1 /* CIE Version */
-#ifdef __PIC__
- .ascii "zR\0" /* CIE Augmentation */
-#else
- .ascii "\0" /* CIE Augmentation */
-#endif
- .byte 0x1 /* .uleb128 0x1; CIE Code Alignment Factor */
- .byte 0x7c /* .sleb128 -4; CIE Data Alignment Factor */
- .byte 0x8 /* CIE RA Column */
-#ifdef __PIC__
- .byte 0x1 /* .uleb128 0x1; Augmentation size */
- .byte 0x1b /* FDE Encoding (pcrel sdata4) */
-#endif
- .byte 0xc /* DW_CFA_def_cfa */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x4 /* .uleb128 0x4 */
- .byte 0x88 /* DW_CFA_offset, column 0x8 */
- .byte 0x1 /* .uleb128 0x1 */
- .align 4
-.LECIE1:
-.LSFDE1:
- .long .LEFDE1-.LASFDE1 /* FDE Length */
-.LASFDE1:
- .long .LASFDE1-.Lframe1 /* FDE CIE offset */
-#ifdef __PIC__
- .long .LFB1-. /* FDE initial location */
-#else
- .long .LFB1 /* FDE initial location */
-#endif
- .long .LFE1-.LFB1 /* FDE address range */
-#ifdef __PIC__
- .byte 0x0 /* .uleb128 0x0; Augmentation size */
-#endif
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI0-.LFB1
- .byte 0xe /* DW_CFA_def_cfa_offset */
- .byte 0x8 /* .uleb128 0x8 */
- .byte 0x85 /* DW_CFA_offset, column 0x5 */
- .byte 0x2 /* .uleb128 0x2 */
- .byte 0x4 /* DW_CFA_advance_loc4 */
- .long .LCFI1-.LCFI0
- .byte 0xd /* DW_CFA_def_cfa_register */
- .byte 0x5 /* .uleb128 0x5 */
- .align 4
-.LEFDE1:
-
-#endif /* ifndef __x86_64__ */
diff --git a/libffi/src/x86/unix64.S b/libffi/src/x86/unix64.S
deleted file mode 100644
index 310fed7..0000000
--- a/libffi/src/x86/unix64.S
+++ /dev/null
@@ -1,303 +0,0 @@
-/* -----------------------------------------------------------------------
- unix64.S - Copyright (c) 2002 Bo Thorsen <bo@suse.de>
-
- x86-64 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.
- ----------------------------------------------------------------------- */
-
-#ifdef __x86_64__
-#define LIBFFI_ASM
-#include <fficonfig.h>
-#include <ffi.h>
-
- .section .rodata
-.LC0:
- .string "asm in progress %lld\n"
-.LC1:
- .string "asm in progress\n"
-.text
- .align 2
-.globl ffi_call_UNIX64
- .type ffi_call_UNIX64,@function
-
-ffi_call_UNIX64:
-.LFB1:
- pushq %rbp
-.LCFI0:
- movq %rsp, %rbp
-.LCFI1:
- /* Save all arguments */
- subq $48, %rsp
-.LCFI2:
- movq %rdi, -8(%rbp) /* ffi_prep_args */
- movq %rsi, -16(%rbp) /* ffi_fill_return_value */
- movq %rdx, -24(%rbp) /* ecif */
- movq %rcx, -32(%rbp) /* cif->bytes */
- movq %r8, -40(%rbp) /* ecif.rvalue */
- movq %r9, -48(%rbp) /* fn */
-
- /* Make room for all of the new args and the register args */
- addl $176, %ecx
-.LCFI3:
- subq %rcx, %rsp
-.LCFI4:
- /* Setup the call to ffi_prep_args. */
- movq %rdi, %rax /* &ffi_prep_args */
- movq %rsp, %rdi /* stackLayout */
- movq %rdx, %rsi /* ecif */
- call *%rax /* ffi_prep_args(stackLayout, ecif);*/
-
- /* ffi_prep_args have put all the register contents into the */
- /* stackLayout struct. Now put the register values in place. */
- movq (%rsp), %rdi
- movq 8(%rsp), %rsi
- movq 16(%rsp), %rdx
- movq 24(%rsp), %rcx
- movq 32(%rsp), %r8
- movq 40(%rsp), %r9
- movaps 48(%rsp), %xmm0
- movaps 64(%rsp), %xmm1
- movaps 80(%rsp), %xmm2
- movaps 96(%rsp), %xmm3
- movaps 112(%rsp), %xmm4
- movaps 128(%rsp), %xmm5
- movaps 144(%rsp), %xmm6
- movaps 160(%rsp), %xmm7
-
- /* Remove space for stackLayout so stack arguments are placed
- correctly for the call. */
-.LCFI5:
- addq $176, %rsp
-.LCFI6:
- /* Call the user function. */
- call *-48(%rbp)
-
- /* Make stack space for the return_value struct. */
- subq $64, %rsp
-
- /* Fill in all potential return values to this struct. */
- movq %rax, (%rsp)
- movq %rdx, 8(%rsp)
- movaps %xmm0, 16(%rsp)
- movaps %xmm1, 32(%rsp)
- fstpt 48(%rsp)
-
- /* Now call ffi_fill_return_value. */
- movq %rsp, %rdi /* struct return_value */
- movq -24(%rbp), %rsi /* ecif */
- movq -16(%rbp), %rax /* &ffi_fill_return_value */
- call *%rax /* call it */
-
- /* And the work is done. */
- leave
- ret
-.LFE1:
-.ffi_call_UNIX64_end:
- .size ffi_call_UNIX64,.ffi_call_UNIX64_end-ffi_call_UNIX64
-
-.text
- .align 2
-.globl float2sse
- .type float2sse,@function
-float2sse:
- /* Save the contents of this sse-float in a pointer. */
- movaps %xmm0, (%rdi)
- ret
-
- .align 2
-.globl floatfloat2sse
- .type floatfloat2sse,@function
-floatfloat2sse:
- /* Save the contents of these two sse-floats in a pointer. */
- movq (%rdi), %xmm0
- movaps %xmm0, (%rsi)
- ret
-
- .align 2
-.globl double2sse
- .type double2sse,@function
-double2sse:
- /* Save the contents of this sse-double in a pointer. */
- movaps %xmm0, (%rdi)
- ret
-
- .align 2
-.globl sse2float
- .type sse2float,@function
-sse2float:
- /* Save the contents of this sse-float in a pointer. */
- movaps (%rdi), %xmm0
- ret
-
- .align 2
-.globl sse2double
- .type sse2double,@function
-sse2double:
- /* Save the contents of this pointer in a sse-double. */
- movaps (%rdi), %xmm0
- ret
-
- .align 2
-.globl sse2floatfloat
- .type sse2floatfloat,@function
-sse2floatfloat:
- /* Save the contents of this pointer in two sse-floats. */
- movaps (%rdi), %xmm0
- movq %xmm0, (%rsi)
- ret
-
- .align 2
-.globl ffi_closure_UNIX64
- .type ffi_closure_UNIX64,@function
-
-ffi_closure_UNIX64:
-.LFB2:
- pushq %rbp
-.LCFI10:
- movq %rsp, %rbp
-.LCFI11:
- subq $240, %rsp
-.LCFI12:
- movq %rdi, -176(%rbp)
- movq %rsi, -168(%rbp)
- movq %rdx, -160(%rbp)
- movq %rcx, -152(%rbp)
- movq %r8, -144(%rbp)
- movq %r9, -136(%rbp)
- /* FIXME: We can avoid all this stashing of XMM registers by
- (in ffi_prep_closure) computing the number of
- floating-point args and moving it into %rax before calling
- this function. Once this is done, uncomment the next few
- lines and only the essential XMM registers will be written
- to memory. This is a significant saving. */
-/* movzbl %al, %eax */
-/* movq %rax, %rdx */
-/* leaq 0(,%rdx,4), %rax */
-/* leaq 2f(%rip), %rdx */
-/* subq %rax, %rdx */
- leaq -1(%rbp), %rax
-/* jmp *%rdx */
- movaps %xmm7, -15(%rax)
- movaps %xmm6, -31(%rax)
- movaps %xmm5, -47(%rax)
- movaps %xmm4, -63(%rax)
- movaps %xmm3, -79(%rax)
- movaps %xmm2, -95(%rax)
- movaps %xmm1, -111(%rax)
- movaps %xmm0, -127(%rax)
-2:
- movl %edi, -180(%rbp)
- movl $0, -224(%rbp)
- movl $48, -220(%rbp)
- leaq 16(%rbp), %rax
- movq %rax, -216(%rbp)
- leaq -176(%rbp), %rdx
- movq %rdx, -208(%rbp)
- leaq -224(%rbp), %rsi
- movq %r10, %rdi
- movq %rsp, %rdx
- call ffi_closure_UNIX64_inner@PLT
-
- cmpl $FFI_TYPE_FLOAT, %eax
- je 1f
- cmpl $FFI_TYPE_DOUBLE, %eax
- je 2f
- cmpl $FFI_TYPE_LONGDOUBLE, %eax
- je 3f
- cmpl $FFI_TYPE_STRUCT, %eax
- je 4f
- popq %rax
- leave
- ret
-1:
-2:
-3:
- movaps -240(%rbp), %xmm0
- leave
- ret
-4:
- leave
- ret
-.LFE2:
-
- .section .eh_frame,EH_FRAME_FLAGS,@progbits
-.Lframe0:
- .long .LECIE1-.LSCIE1
-.LSCIE1:
- .long 0x0
- .byte 0x1
- .string "zR"
- .uleb128 0x1
- .sleb128 -8
- .byte 0x10
- .uleb128 0x1
- .byte 0x1b
- .byte 0xc
- .uleb128 0x7
- .uleb128 0x8
- .byte 0x90
- .uleb128 0x1
- .align 8
-.LECIE1:
-.LSFDE1:
- .long .LEFDE1-.LASFDE1
-.LASFDE1:
- .long .LASFDE1-.Lframe0
-
- .long .LFB1-.
- .long .LFE1-.LFB1
- .uleb128 0x0
- .byte 0x4 # DW_CFA_advance_loc4
- .long .LCFI0-.LFB1
- .byte 0xe # DW_CFA_def_cfa_offset
- .uleb128 0x10
- .byte 0x86 # DW_CFA_offset: r6 at cfa-16
- .uleb128 0x2
- .byte 0x4 # DW_CFA_advance_loc4
- .long .LCFI1-.LCFI0
- .byte 0x86 # DW_CFA_offset: r6 at cfa-16
- .uleb128 0x2
- .byte 0xd # DW_CFA_def_cfa_reg: r6
- .uleb128 0x6
- .align 8
-.LEFDE1:
-.LSFDE3:
- .long .LEFDE3-.LASFDE3 # FDE Length
-.LASFDE3:
- .long .LASFDE3-.Lframe0 # FDE CIE offset
-
- .long .LFB2-. # FDE initial location
- .long .LFE2-.LFB2 # FDE address range
- .uleb128 0x0 # Augmentation size
- .byte 0x4 # DW_CFA_advance_loc4
- .long .LCFI10-.LFB2
- .byte 0xe # DW_CFA_def_cfa_offset
- .uleb128 0x10
- .byte 0x86 # DW_CFA_offset, column 0x6
- .uleb128 0x2
- .byte 0x4 # DW_CFA_advance_loc4
- .long .LCFI11-.LCFI10
- .byte 0xd # DW_CFA_def_cfa_register
- .uleb128 0x6
- .align 8
-.LEFDE3:
-
-#endif /* __x86_64__ */
diff --git a/libffi/src/x86/win32.S b/libffi/src/x86/win32.S
deleted file mode 100644
index bc2812c..0000000
--- a/libffi/src/x86/win32.S
+++ /dev/null
@@ -1,259 +0,0 @@
-/* -----------------------------------------------------------------------
- win32.S - Copyright (c) 1996, 1998, 2001, 2002 Red Hat, Inc.
- Copyright (c) 2001 John Beniton
- Copyright (c) 2002 Ranjit Mathew
-
-
- X86 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 <fficonfig.h>
-#include <ffi.h>
-
-.text
-
-.globl ffi_prep_args
-
- # This assumes we are using gas.
- .balign 16
-.globl _ffi_call_SYSV
-
-_ffi_call_SYSV:
- pushl %ebp
- movl %esp,%ebp
-
- # Make room for all of the new args.
- movl 16(%ebp),%ecx
- subl %ecx,%esp
-
- movl %esp,%eax
-
- # Place all of the ffi_prep_args in position
- pushl 12(%ebp)
- pushl %eax
- call *8(%ebp)
-
- # Return stack to previous state and call the function
- addl $8,%esp
-
- # FIXME: Align the stack to a 128-bit boundary to avoid
- # potential performance hits.
-
- call *28(%ebp)
-
- # Remove the space we pushed for the args
- movl 16(%ebp),%ecx
- addl %ecx,%esp
-
- # Load %ecx with the return type code
- movl 20(%ebp),%ecx
-
- # If the return value pointer is NULL, assume no return value.
- cmpl $0,24(%ebp)
- jne retint
-
- # Even if there is no space for the return value, we are
- # obliged to handle floating-point values.
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne noretval
- fstp %st(0)
-
- jmp epilogue
-
-retint:
- cmpl $FFI_TYPE_INT,%ecx
- jne retfloat
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- jmp epilogue
-
-retfloat:
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne retdouble
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- fstps (%ecx)
- jmp epilogue
-
-retdouble:
- cmpl $FFI_TYPE_DOUBLE,%ecx
- jne retlongdouble
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- fstpl (%ecx)
- jmp epilogue
-
-retlongdouble:
- cmpl $FFI_TYPE_LONGDOUBLE,%ecx
- jne retint64
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- fstpt (%ecx)
- jmp epilogue
-
-retint64:
- cmpl $FFI_TYPE_SINT64,%ecx
- jne retstruct1b
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- movl %edx,4(%ecx)
-
-retstruct1b:
- cmpl $FFI_TYPE_SINT8,%ecx
- jne retstruct2b
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movb %al,0(%ecx)
- jmp epilogue
-
-retstruct2b:
- cmpl $FFI_TYPE_SINT16,%ecx
- jne retstruct
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movw %ax,0(%ecx)
- jmp epilogue
-
-retstruct:
- # Nothing to do!
-
-noretval:
-epilogue:
- movl %ebp,%esp
- popl %ebp
- ret
-
-.ffi_call_SYSV_end:
-
- # This assumes we are using gas.
- .balign 16
-.globl _ffi_call_STDCALL
-
-_ffi_call_STDCALL:
- pushl %ebp
- movl %esp,%ebp
-
- # Make room for all of the new args.
- movl 16(%ebp),%ecx
- subl %ecx,%esp
-
- movl %esp,%eax
-
- # Place all of the ffi_prep_args in position
- pushl 12(%ebp)
- pushl %eax
- call *8(%ebp)
-
- # Return stack to previous state and call the function
- addl $8,%esp
-
- # FIXME: Align the stack to a 128-bit boundary to avoid
- # potential performance hits.
-
- call *28(%ebp)
-
- # stdcall functions pop arguments off the stack themselves
-
- # Load %ecx with the return type code
- movl 20(%ebp),%ecx
-
- # If the return value pointer is NULL, assume no return value.
- cmpl $0,24(%ebp)
- jne sc_retint
-
- # Even if there is no space for the return value, we are
- # obliged to handle floating-point values.
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne sc_noretval
- fstp %st(0)
-
- jmp sc_epilogue
-
-sc_retint:
- cmpl $FFI_TYPE_INT,%ecx
- jne sc_retfloat
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- jmp sc_epilogue
-
-sc_retfloat:
- cmpl $FFI_TYPE_FLOAT,%ecx
- jne sc_retdouble
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- fstps (%ecx)
- jmp sc_epilogue
-
-sc_retdouble:
- cmpl $FFI_TYPE_DOUBLE,%ecx
- jne sc_retlongdouble
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- fstpl (%ecx)
- jmp sc_epilogue
-
-sc_retlongdouble:
- cmpl $FFI_TYPE_LONGDOUBLE,%ecx
- jne sc_retint64
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- fstpt (%ecx)
- jmp sc_epilogue
-
-sc_retint64:
- cmpl $FFI_TYPE_SINT64,%ecx
- jne sc_retstruct1b
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movl %eax,0(%ecx)
- movl %edx,4(%ecx)
-
-sc_retstruct1b:
- cmpl $FFI_TYPE_SINT8,%ecx
- jne sc_retstruct2b
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movb %al,0(%ecx)
- jmp sc_epilogue
-
-sc_retstruct2b:
- cmpl $FFI_TYPE_SINT16,%ecx
- jne sc_retstruct
- # Load %ecx with the pointer to storage for the return value
- movl 24(%ebp),%ecx
- movw %ax,0(%ecx)
- jmp sc_epilogue
-
-sc_retstruct:
- # Nothing to do!
-
-sc_noretval:
-sc_epilogue:
- movl %ebp,%esp
- popl %ebp
- ret
-
-.ffi_call_STDCALL_end: