diff options
Diffstat (limited to 'Modules/_ctypes/libffi/src/pa/ffi.c')
| -rw-r--r-- | Modules/_ctypes/libffi/src/pa/ffi.c | 719 |
1 files changed, 0 insertions, 719 deletions
diff --git a/Modules/_ctypes/libffi/src/pa/ffi.c b/Modules/_ctypes/libffi/src/pa/ffi.c deleted file mode 100644 index 4ce2bc6f0e..0000000000 --- a/Modules/_ctypes/libffi/src/pa/ffi.c +++ /dev/null @@ -1,719 +0,0 @@ -/* ----------------------------------------------------------------------- - ffi.c - (c) 2011 Anthony Green - (c) 2008 Red Hat, Inc. - (c) 2006 Free Software Foundation, Inc. - (c) 2003-2004 Randolph Chung <tausq@debian.org> - - HPPA Foreign Function Interface - HP-UX PA ABI support - - Permission is hereby granted, free of charge, to any person obtaining - a copy of this software and associated documentation files (the - ``Software''), to deal in the Software without restriction, including - without limitation the rights to use, copy, modify, merge, publish, - distribute, sublicense, and/or sell copies of the Software, and to - permit persons to whom the Software is furnished to do so, subject to - the following conditions: - - The above copyright notice and this permission notice shall be included - in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, - EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT - HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, - WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - DEALINGS IN THE SOFTWARE. - ----------------------------------------------------------------------- */ - -#include <ffi.h> -#include <ffi_common.h> - -#include <stdlib.h> -#include <stdio.h> - -#define ROUND_UP(v, a) (((size_t)(v) + (a) - 1) & ~((a) - 1)) - -#define MIN_STACK_SIZE 64 -#define FIRST_ARG_SLOT 9 -#define DEBUG_LEVEL 0 - -#define fldw(addr, fpreg) \ - __asm__ volatile ("fldw 0(%0), %%" #fpreg "L" : : "r"(addr) : #fpreg) -#define fstw(fpreg, addr) \ - __asm__ volatile ("fstw %%" #fpreg "L, 0(%0)" : : "r"(addr)) -#define fldd(addr, fpreg) \ - __asm__ volatile ("fldd 0(%0), %%" #fpreg : : "r"(addr) : #fpreg) -#define fstd(fpreg, addr) \ - __asm__ volatile ("fstd %%" #fpreg "L, 0(%0)" : : "r"(addr)) - -#define debug(lvl, x...) do { if (lvl <= DEBUG_LEVEL) { printf(x); } } while (0) - -static inline int ffi_struct_type(ffi_type *t) -{ - size_t sz = t->size; - - /* Small structure results are passed in registers, - larger ones are passed by pointer. Note that - small structures of size 2, 4 and 8 differ from - the corresponding integer types in that they have - different alignment requirements. */ - - if (sz <= 1) - return FFI_TYPE_UINT8; - else if (sz == 2) - return FFI_TYPE_SMALL_STRUCT2; - else if (sz == 3) - return FFI_TYPE_SMALL_STRUCT3; - else if (sz == 4) - return FFI_TYPE_SMALL_STRUCT4; - else if (sz == 5) - return FFI_TYPE_SMALL_STRUCT5; - else if (sz == 6) - return FFI_TYPE_SMALL_STRUCT6; - else if (sz == 7) - return FFI_TYPE_SMALL_STRUCT7; - else if (sz <= 8) - return FFI_TYPE_SMALL_STRUCT8; - else - return FFI_TYPE_STRUCT; /* else, we pass it by pointer. */ -} - -/* PA has a downward growing stack, which looks like this: - - Offset - [ Variable args ] - SP = (4*(n+9)) arg word N - ... - SP-52 arg word 4 - [ Fixed args ] - SP-48 arg word 3 - SP-44 arg word 2 - SP-40 arg word 1 - SP-36 arg word 0 - [ Frame marker ] - ... - SP-20 RP - SP-4 previous SP - - The first four argument words on the stack are reserved for use by - the callee. Instead, the general and floating registers replace - the first four argument slots. Non FP arguments are passed solely - in the general registers. FP arguments are passed in both general - and floating registers when using libffi. - - Non-FP 32-bit args are passed in gr26, gr25, gr24 and gr23. - Non-FP 64-bit args are passed in register pairs, starting - on an odd numbered register (i.e. r25+r26 and r23+r24). - FP 32-bit arguments are passed in fr4L, fr5L, fr6L and fr7L. - FP 64-bit arguments are passed in fr5 and fr7. - - The registers are allocated in the same manner as stack slots. - This allows the callee to save its arguments on the stack if - necessary: - - arg word 3 -> gr23 or fr7L - arg word 2 -> gr24 or fr6L or fr7R - arg word 1 -> gr25 or fr5L - arg word 0 -> gr26 or fr4L or fr5R - - Note that fr4R and fr6R are never used for arguments (i.e., - doubles are not passed in fr4 or fr6). - - The rest of the arguments are passed on the stack starting at SP-52, - but 64-bit arguments need to be aligned to an 8-byte boundary - - This means we can have holes either in the register allocation, - or in the stack. */ - -/* ffi_prep_args is called by the assembly routine once stack space - has been allocated for the function's arguments - - The following code will put everything into the stack frame - (which was allocated by the asm routine), and on return - the asm routine will load the arguments that should be - passed by register into the appropriate registers - - NOTE: We load floating point args in this function... that means we - assume gcc will not mess with fp regs in here. */ - -void ffi_prep_args_pa32(UINT32 *stack, extended_cif *ecif, unsigned bytes) -{ - register unsigned int i; - register ffi_type **p_arg; - register void **p_argv; - unsigned int slot = FIRST_ARG_SLOT; - char *dest_cpy; - size_t len; - - debug(1, "%s: stack = %p, ecif = %p, bytes = %u\n", __FUNCTION__, stack, - ecif, bytes); - - p_arg = ecif->cif->arg_types; - p_argv = ecif->avalue; - - for (i = 0; i < ecif->cif->nargs; i++) - { - int type = (*p_arg)->type; - - switch (type) - { - case FFI_TYPE_SINT8: - *(SINT32 *)(stack - slot) = *(SINT8 *)(*p_argv); - break; - - case FFI_TYPE_UINT8: - *(UINT32 *)(stack - slot) = *(UINT8 *)(*p_argv); - break; - - case FFI_TYPE_SINT16: - *(SINT32 *)(stack - slot) = *(SINT16 *)(*p_argv); - break; - - case FFI_TYPE_UINT16: - *(UINT32 *)(stack - slot) = *(UINT16 *)(*p_argv); - break; - - case FFI_TYPE_UINT32: - case FFI_TYPE_SINT32: - case FFI_TYPE_POINTER: - debug(3, "Storing UINT32 %u in slot %u\n", *(UINT32 *)(*p_argv), - slot); - *(UINT32 *)(stack - slot) = *(UINT32 *)(*p_argv); - break; - - case FFI_TYPE_UINT64: - case FFI_TYPE_SINT64: - /* Align slot for 64-bit type. */ - slot += (slot & 1) ? 1 : 2; - *(UINT64 *)(stack - slot) = *(UINT64 *)(*p_argv); - break; - - case FFI_TYPE_FLOAT: - /* First 4 args go in fr4L - fr7L. */ - debug(3, "Storing UINT32(float) in slot %u\n", slot); - *(UINT32 *)(stack - slot) = *(UINT32 *)(*p_argv); - switch (slot - FIRST_ARG_SLOT) - { - /* First 4 args go in fr4L - fr7L. */ - case 0: fldw(stack - slot, fr4); break; - case 1: fldw(stack - slot, fr5); break; - case 2: fldw(stack - slot, fr6); break; - case 3: fldw(stack - slot, fr7); break; - } - break; - - case FFI_TYPE_DOUBLE: - /* Align slot for 64-bit type. */ - slot += (slot & 1) ? 1 : 2; - debug(3, "Storing UINT64(double) at slot %u\n", slot); - *(UINT64 *)(stack - slot) = *(UINT64 *)(*p_argv); - switch (slot - FIRST_ARG_SLOT) - { - /* First 2 args go in fr5, fr7. */ - case 1: fldd(stack - slot, fr5); break; - case 3: fldd(stack - slot, fr7); break; - } - break; - -#ifdef PA_HPUX - case FFI_TYPE_LONGDOUBLE: - /* Long doubles are passed in the same manner as structures - larger than 8 bytes. */ - *(UINT32 *)(stack - slot) = (UINT32)(*p_argv); - break; -#endif - - case FFI_TYPE_STRUCT: - - /* Structs smaller or equal than 4 bytes are passed in one - register. Structs smaller or equal 8 bytes are passed in two - registers. Larger structures are passed by pointer. */ - - len = (*p_arg)->size; - if (len <= 4) - { - dest_cpy = (char *)(stack - slot) + 4 - len; - memcpy(dest_cpy, (char *)*p_argv, len); - } - else if (len <= 8) - { - slot += (slot & 1) ? 1 : 2; - dest_cpy = (char *)(stack - slot) + 8 - len; - memcpy(dest_cpy, (char *)*p_argv, len); - } - else - *(UINT32 *)(stack - slot) = (UINT32)(*p_argv); - break; - - default: - FFI_ASSERT(0); - } - - slot++; - p_arg++; - p_argv++; - } - - /* Make sure we didn't mess up and scribble on the stack. */ - { - unsigned int n; - - debug(5, "Stack setup:\n"); - for (n = 0; n < (bytes + 3) / 4; n++) - { - if ((n%4) == 0) { debug(5, "\n%08x: ", (unsigned int)(stack - n)); } - debug(5, "%08x ", *(stack - n)); - } - debug(5, "\n"); - } - - FFI_ASSERT(slot * 4 <= bytes); - - return; -} - -static void ffi_size_stack_pa32(ffi_cif *cif) -{ - ffi_type **ptr; - int i; - int z = 0; /* # stack slots */ - - for (ptr = cif->arg_types, i = 0; i < cif->nargs; ptr++, i++) - { - int type = (*ptr)->type; - - switch (type) - { - case FFI_TYPE_DOUBLE: - case FFI_TYPE_UINT64: - case FFI_TYPE_SINT64: - z += 2 + (z & 1); /* must start on even regs, so we may waste one */ - break; - -#ifdef PA_HPUX - case FFI_TYPE_LONGDOUBLE: -#endif - case FFI_TYPE_STRUCT: - z += 1; /* pass by ptr, callee will copy */ - break; - - default: /* <= 32-bit values */ - z++; - } - } - - /* We can fit up to 6 args in the default 64-byte stack frame, - if we need more, we need more stack. */ - if (z <= 6) - cif->bytes = MIN_STACK_SIZE; /* min stack size */ - else - cif->bytes = 64 + ROUND_UP((z - 6) * sizeof(UINT32), MIN_STACK_SIZE); - - debug(3, "Calculated stack size is %u bytes\n", cif->bytes); -} - -/* 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: - case FFI_TYPE_FLOAT: - case FFI_TYPE_DOUBLE: - cif->flags = (unsigned) cif->rtype->type; - break; - -#ifdef PA_HPUX - case FFI_TYPE_LONGDOUBLE: - /* Long doubles are treated like a structure. */ - cif->flags = FFI_TYPE_STRUCT; - break; -#endif - - case FFI_TYPE_STRUCT: - /* For the return type we have to check the size of the structures. - If the size is smaller or equal 4 bytes, the result is given back - in one register. If the size is smaller or equal 8 bytes than we - return the result in two registers. But if the size is bigger than - 8 bytes, we work with pointers. */ - cif->flags = ffi_struct_type(cif->rtype); - break; - - case FFI_TYPE_UINT64: - case FFI_TYPE_SINT64: - cif->flags = FFI_TYPE_UINT64; - break; - - default: - cif->flags = FFI_TYPE_INT; - break; - } - - /* Lucky us, because of the unique PA ABI we get to do our - own stack sizing. */ - switch (cif->abi) - { - case FFI_PA32: - ffi_size_stack_pa32(cif); - break; - - default: - FFI_ASSERT(0); - break; - } - - return FFI_OK; -} - -extern void ffi_call_pa32(void (*)(UINT32 *, extended_cif *, unsigned), - extended_cif *, unsigned, unsigned, unsigned *, - void (*fn)(void)); - -void ffi_call(ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue) -{ - extended_cif ecif; - - ecif.cif = cif; - ecif.avalue = avalue; - - /* If the return value is a struct and we don't have a return - value address then we need to make one. */ - - if (rvalue == NULL -#ifdef PA_HPUX - && (cif->rtype->type == FFI_TYPE_STRUCT - || cif->rtype->type == FFI_TYPE_LONGDOUBLE)) -#else - && cif->rtype->type == FFI_TYPE_STRUCT) -#endif - { - ecif.rvalue = alloca(cif->rtype->size); - } - else - ecif.rvalue = rvalue; - - - switch (cif->abi) - { - case FFI_PA32: - debug(3, "Calling ffi_call_pa32: ecif=%p, bytes=%u, flags=%u, rvalue=%p, fn=%p\n", &ecif, cif->bytes, cif->flags, ecif.rvalue, (void *)fn); - ffi_call_pa32(ffi_prep_args_pa32, &ecif, cif->bytes, - cif->flags, ecif.rvalue, fn); - break; - - default: - FFI_ASSERT(0); - break; - } -} - -#if FFI_CLOSURES -/* This is more-or-less an inverse of ffi_call -- we have arguments on - the stack, and we need to fill them into a cif structure and invoke - the user function. This really ought to be in asm to make sure - the compiler doesn't do things we don't expect. */ -ffi_status ffi_closure_inner_pa32(ffi_closure *closure, UINT32 *stack) -{ - ffi_cif *cif; - void **avalue; - void *rvalue; - UINT32 ret[2]; /* function can return up to 64-bits in registers */ - ffi_type **p_arg; - char *tmp; - int i, avn; - unsigned int slot = FIRST_ARG_SLOT; - register UINT32 r28 asm("r28"); - - cif = closure->cif; - - /* If returning via structure, callee will write to our pointer. */ - if (cif->flags == FFI_TYPE_STRUCT) - rvalue = (void *)r28; - else - rvalue = &ret[0]; - - avalue = (void **)alloca(cif->nargs * FFI_SIZEOF_ARG); - avn = cif->nargs; - p_arg = cif->arg_types; - - for (i = 0; i < avn; i++) - { - int type = (*p_arg)->type; - - switch (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_POINTER: - avalue[i] = (char *)(stack - slot) + sizeof(UINT32) - (*p_arg)->size; - break; - - case FFI_TYPE_SINT64: - case FFI_TYPE_UINT64: - slot += (slot & 1) ? 1 : 2; - avalue[i] = (void *)(stack - slot); - break; - - case FFI_TYPE_FLOAT: -#ifdef PA_LINUX - /* The closure call is indirect. In Linux, floating point - arguments in indirect calls with a prototype are passed - in the floating point registers instead of the general - registers. So, we need to replace what was previously - stored in the current slot with the value in the - corresponding floating point register. */ - switch (slot - FIRST_ARG_SLOT) - { - case 0: fstw(fr4, (void *)(stack - slot)); break; - case 1: fstw(fr5, (void *)(stack - slot)); break; - case 2: fstw(fr6, (void *)(stack - slot)); break; - case 3: fstw(fr7, (void *)(stack - slot)); break; - } -#endif - avalue[i] = (void *)(stack - slot); - break; - - case FFI_TYPE_DOUBLE: - slot += (slot & 1) ? 1 : 2; -#ifdef PA_LINUX - /* See previous comment for FFI_TYPE_FLOAT. */ - switch (slot - FIRST_ARG_SLOT) - { - case 1: fstd(fr5, (void *)(stack - slot)); break; - case 3: fstd(fr7, (void *)(stack - slot)); break; - } -#endif - avalue[i] = (void *)(stack - slot); - break; - -#ifdef PA_HPUX - case FFI_TYPE_LONGDOUBLE: - /* Long doubles are treated like a big structure. */ - avalue[i] = (void *) *(stack - slot); - break; -#endif - - case FFI_TYPE_STRUCT: - /* Structs smaller or equal than 4 bytes are passed in one - register. Structs smaller or equal 8 bytes are passed in two - registers. Larger structures are passed by pointer. */ - if((*p_arg)->size <= 4) - { - avalue[i] = (void *)(stack - slot) + sizeof(UINT32) - - (*p_arg)->size; - } - else if ((*p_arg)->size <= 8) - { - slot += (slot & 1) ? 1 : 2; - avalue[i] = (void *)(stack - slot) + sizeof(UINT64) - - (*p_arg)->size; - } - else - avalue[i] = (void *) *(stack - slot); - break; - - default: - FFI_ASSERT(0); - } - - slot++; - p_arg++; - } - - /* Invoke the closure. */ - (closure->fun) (cif, rvalue, avalue, closure->user_data); - - debug(3, "after calling function, ret[0] = %08x, ret[1] = %08x\n", ret[0], - ret[1]); - - /* Store the result using the lower 2 bytes of the flags. */ - switch (cif->flags) - { - case FFI_TYPE_UINT8: - *(stack - FIRST_ARG_SLOT) = (UINT8)(ret[0] >> 24); - break; - case FFI_TYPE_SINT8: - *(stack - FIRST_ARG_SLOT) = (SINT8)(ret[0] >> 24); - break; - case FFI_TYPE_UINT16: - *(stack - FIRST_ARG_SLOT) = (UINT16)(ret[0] >> 16); - break; - case FFI_TYPE_SINT16: - *(stack - FIRST_ARG_SLOT) = (SINT16)(ret[0] >> 16); - break; - case FFI_TYPE_INT: - case FFI_TYPE_SINT32: - case FFI_TYPE_UINT32: - *(stack - FIRST_ARG_SLOT) = ret[0]; - break; - case FFI_TYPE_SINT64: - case FFI_TYPE_UINT64: - *(stack - FIRST_ARG_SLOT) = ret[0]; - *(stack - FIRST_ARG_SLOT - 1) = ret[1]; - break; - - case FFI_TYPE_DOUBLE: - fldd(rvalue, fr4); - break; - - case FFI_TYPE_FLOAT: - fldw(rvalue, fr4); - break; - - case FFI_TYPE_STRUCT: - /* Don't need a return value, done by caller. */ - break; - - case FFI_TYPE_SMALL_STRUCT2: - case FFI_TYPE_SMALL_STRUCT3: - case FFI_TYPE_SMALL_STRUCT4: - tmp = (void*)(stack - FIRST_ARG_SLOT); - tmp += 4 - cif->rtype->size; - memcpy((void*)tmp, &ret[0], cif->rtype->size); - break; - - case FFI_TYPE_SMALL_STRUCT5: - case FFI_TYPE_SMALL_STRUCT6: - case FFI_TYPE_SMALL_STRUCT7: - case FFI_TYPE_SMALL_STRUCT8: - { - unsigned int ret2[2]; - int off; - - /* Right justify ret[0] and ret[1] */ - switch (cif->flags) - { - case FFI_TYPE_SMALL_STRUCT5: off = 3; break; - case FFI_TYPE_SMALL_STRUCT6: off = 2; break; - case FFI_TYPE_SMALL_STRUCT7: off = 1; break; - default: off = 0; break; - } - - memset (ret2, 0, sizeof (ret2)); - memcpy ((char *)ret2 + off, ret, 8 - off); - - *(stack - FIRST_ARG_SLOT) = ret2[0]; - *(stack - FIRST_ARG_SLOT - 1) = ret2[1]; - } - break; - - case FFI_TYPE_POINTER: - case FFI_TYPE_VOID: - break; - - default: - debug(0, "assert with cif->flags: %d\n",cif->flags); - FFI_ASSERT(0); - break; - } - return FFI_OK; -} - -/* Fill in a closure to refer to the specified fun and user_data. - cif specifies the argument and result types for fun. - The cif must already be prep'ed. */ - -extern void ffi_closure_pa32(void); - -ffi_status -ffi_prep_closure_loc (ffi_closure* closure, - ffi_cif* cif, - void (*fun)(ffi_cif*,void*,void**,void*), - void *user_data, - void *codeloc) -{ - UINT32 *tramp = (UINT32 *)(closure->tramp); -#ifdef PA_HPUX - UINT32 *tmp; -#endif - - if (cif->abi != FFI_PA32) - return FFI_BAD_ABI; - - /* Make a small trampoline that will branch to our - handler function. Use PC-relative addressing. */ - -#ifdef PA_LINUX - tramp[0] = 0xeaa00000; /* b,l .+8,%r21 ; %r21 <- pc+8 */ - tramp[1] = 0xd6a01c1e; /* depi 0,31,2,%r21 ; mask priv bits */ - tramp[2] = 0x4aa10028; /* ldw 20(%r21),%r1 ; load plabel */ - tramp[3] = 0x36b53ff1; /* ldo -8(%r21),%r21 ; get closure addr */ - tramp[4] = 0x0c201096; /* ldw 0(%r1),%r22 ; address of handler */ - tramp[5] = 0xeac0c000; /* bv%r0(%r22) ; branch to handler */ - tramp[6] = 0x0c281093; /* ldw 4(%r1),%r19 ; GP of handler */ - tramp[7] = ((UINT32)(ffi_closure_pa32) & ~2); - - /* Flush d/icache -- have to flush up 2 two lines because of - alignment. */ - __asm__ volatile( - "fdc 0(%0)\n\t" - "fdc %1(%0)\n\t" - "fic 0(%%sr4, %0)\n\t" - "fic %1(%%sr4, %0)\n\t" - "sync\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n" - : - : "r"((unsigned long)tramp & ~31), - "r"(32 /* stride */) - : "memory"); -#endif - -#ifdef PA_HPUX - tramp[0] = 0xeaa00000; /* b,l .+8,%r21 ; %r21 <- pc+8 */ - tramp[1] = 0xd6a01c1e; /* depi 0,31,2,%r21 ; mask priv bits */ - tramp[2] = 0x4aa10038; /* ldw 28(%r21),%r1 ; load plabel */ - tramp[3] = 0x36b53ff1; /* ldo -8(%r21),%r21 ; get closure addr */ - tramp[4] = 0x0c201096; /* ldw 0(%r1),%r22 ; address of handler */ - tramp[5] = 0x02c010b4; /* ldsid (%r22),%r20 ; load space id */ - tramp[6] = 0x00141820; /* mtsp %r20,%sr0 ; into %sr0 */ - tramp[7] = 0xe2c00000; /* be 0(%sr0,%r22) ; branch to handler */ - tramp[8] = 0x0c281093; /* ldw 4(%r1),%r19 ; GP of handler */ - tramp[9] = ((UINT32)(ffi_closure_pa32) & ~2); - - /* Flush d/icache -- have to flush three lines because of alignment. */ - __asm__ volatile( - "copy %1,%0\n\t" - "fdc,m %2(%0)\n\t" - "fdc,m %2(%0)\n\t" - "fdc,m %2(%0)\n\t" - "ldsid (%1),%0\n\t" - "mtsp %0,%%sr0\n\t" - "copy %1,%0\n\t" - "fic,m %2(%%sr0,%0)\n\t" - "fic,m %2(%%sr0,%0)\n\t" - "fic,m %2(%%sr0,%0)\n\t" - "sync\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n\t" - "nop\n" - : "=&r" ((unsigned long)tmp) - : "r" ((unsigned long)tramp & ~31), - "r" (32/* stride */) - : "memory"); -#endif - - closure->cif = cif; - closure->user_data = user_data; - closure->fun = fun; - - return FFI_OK; -} -#endif |