diff options
Diffstat (limited to 'libffi/src/x86')
| -rw-r--r-- | libffi/src/x86/darwin.S | 195 | ||||
| -rw-r--r-- | libffi/src/x86/ffi.c | 557 | ||||
| -rw-r--r-- | libffi/src/x86/ffi64.c | 706 | ||||
| -rw-r--r-- | libffi/src/x86/ffi_darwin.c | 584 | ||||
| -rw-r--r-- | libffi/src/x86/ffitarget.h | 81 | ||||
| -rw-r--r-- | libffi/src/x86/sysv.S | 184 | ||||
| -rw-r--r-- | libffi/src/x86/unix64.S | 303 | ||||
| -rw-r--r-- | libffi/src/x86/win32.S | 259 |
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: |