From cd11ae061b002913740483529e31b3f6d3da753d Mon Sep 17 00:00:00 2001 From: Matthias Benkard Date: Mon, 3 Mar 2008 21:39:37 +0100 Subject: Update libffi to 3.0.4. darcs-hash:d0cdf89441c98da668f268b1af91e536dc3ed76e --- libffi/src/ia64/ffi.c | 671 ------------------------------------------- libffi/src/ia64/ffitarget.h | 58 ---- libffi/src/ia64/ia64_flags.h | 62 ---- libffi/src/ia64/unix.S | 326 --------------------- 4 files changed, 1117 deletions(-) delete mode 100644 libffi/src/ia64/ffi.c delete mode 100644 libffi/src/ia64/ffitarget.h delete mode 100644 libffi/src/ia64/ia64_flags.h delete mode 100644 libffi/src/ia64/unix.S (limited to 'libffi/src/ia64') diff --git a/libffi/src/ia64/ffi.c b/libffi/src/ia64/ffi.c deleted file mode 100644 index 1dc27db..0000000 --- a/libffi/src/ia64/ffi.c +++ /dev/null @@ -1,671 +0,0 @@ -/* ----------------------------------------------------------------------- - ffi.c - Copyright (c) 1998 Red Hat, Inc. - Copyright (c) 2000 Hewlett Packard Company - - IA64 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 -#include - -#include -#include - -#include "ia64_flags.h" - -/* Memory image of fp register contents. Should eventually be an fp */ -/* type long enough to hold an entire register. For now we use double. */ -typedef double float80; - -/* The stack layout at call to ffi_prep_args. Other_args will remain */ -/* on the stack for the actual call. Everything else we be transferred */ -/* to registers and popped by the assembly code. */ - -struct ia64_args { - long scratch[2]; /* Two scratch words at top of stack. */ - /* Allows sp to be passed as arg pointer. */ - void * r8_contents; /* Value to be passed in r8 */ - long spare; /* Not used. */ - float80 fp_regs[8]; /* Contents of 8 floating point argument */ - /* registers. */ - long out_regs[8]; /* Contents of the 8 out registers used */ - /* for integer parameters. */ - long other_args[0]; /* Arguments passed on stack, variable size */ - /* Treated as continuation of out_regs. */ -}; - -static size_t float_type_size(unsigned short tp) -{ - switch(tp) { - case FFI_TYPE_FLOAT: - return sizeof(float); - case FFI_TYPE_DOUBLE: - return sizeof(double); -#if FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE - case FFI_TYPE_LONGDOUBLE: - return sizeof(long double); -#endif - default: - FFI_ASSERT(0); - } -} - -/* - * Is type a struct containing at most n floats, doubles, or extended - * doubles, all of the same fp type? - * If so, set *element_type to the fp type. - */ -static bool is_homogeneous_fp_aggregate(ffi_type * type, int n, - unsigned short * element_type) -{ - ffi_type **ptr; - unsigned short element, struct_element; - - int type_set = 0; - - FFI_ASSERT(type != NULL); - - FFI_ASSERT(type->elements != NULL); - - ptr = &(type->elements[0]); - - while ((*ptr) != NULL) - { - switch((*ptr) -> type) { - case FFI_TYPE_FLOAT: - if (type_set && element != FFI_TYPE_FLOAT) return 0; - if (--n < 0) return false; - type_set = 1; - element = FFI_TYPE_FLOAT; - break; - case FFI_TYPE_DOUBLE: - if (type_set && element != FFI_TYPE_DOUBLE) return 0; - if (--n < 0) return false; - type_set = 1; - element = FFI_TYPE_DOUBLE; - break; - case FFI_TYPE_STRUCT: - if (!is_homogeneous_fp_aggregate(type, n, &struct_element)) - return false; - if (type_set && struct_element != element) return false; - n -= (type -> size)/float_type_size(element); - element = struct_element; - if (n < 0) return false; - break; - /* case FFI_TYPE_LONGDOUBLE: - Not yet implemented. */ - default: - return false; - } - ptr++; - } - *element_type = element; - return true; - -} - -/* ffi_prep_args is called by the assembly routine once stack space - has been allocated for the function's arguments. It fills in - the arguments in the structure referenced by stack. Returns nonzero - if fp registers are used for arguments. */ - -static bool -ffi_prep_args(struct ia64_args *stack, extended_cif *ecif, int bytes) -{ - register long i, avn; - register void **p_argv; - register long *argp = stack -> out_regs; - register float80 *fp_argp = stack -> fp_regs; - register ffi_type **p_arg; - - /* For big return structs, r8 needs to contain the target address. */ - /* Since r8 is otherwise dead, we set it unconditionally. */ - stack -> r8_contents = ecif -> rvalue; - i = 0; - avn = ecif->cif->nargs; - p_arg = ecif->cif->arg_types; - p_argv = ecif->avalue; - while (i < avn) - { - size_t z; /* z is in units of arg slots or words, not bytes. */ - - switch ((*p_arg)->type) - { - case FFI_TYPE_SINT8: - z = 1; - *(SINT64 *) argp = *(SINT8 *)(* p_argv); - break; - - case FFI_TYPE_UINT8: - z = 1; - *(UINT64 *) argp = *(UINT8 *)(* p_argv); - break; - - case FFI_TYPE_SINT16: - z = 1; - *(SINT64 *) argp = *(SINT16 *)(* p_argv); - break; - - case FFI_TYPE_UINT16: - z = 1; - *(UINT64 *) argp = *(UINT16 *)(* p_argv); - break; - - case FFI_TYPE_SINT32: - z = 1; - *(SINT64 *) argp = *(SINT32 *)(* p_argv); - break; - - case FFI_TYPE_UINT32: - z = 1; - *(UINT64 *) argp = *(UINT32 *)(* p_argv); - break; - - case FFI_TYPE_SINT64: - case FFI_TYPE_UINT64: - case FFI_TYPE_POINTER: - z = 1; - *(UINT64 *) argp = *(UINT64 *)(* p_argv); - break; - - case FFI_TYPE_FLOAT: - z = 1; - if (fp_argp - stack->fp_regs < 8) - { - /* Note the conversion -- all the fp regs are loaded as - doubles. */ - *fp_argp++ = *(float *)(* p_argv); - } - /* Also put it into the integer registers or memory: */ - *(UINT64 *) argp = *(UINT32 *)(* p_argv); - break; - - case FFI_TYPE_DOUBLE: - z = 1; - if (fp_argp - stack->fp_regs < 8) - *fp_argp++ = *(double *)(* p_argv); - /* Also put it into the integer registers or memory: */ - *(double *) argp = *(double *)(* p_argv); - break; - - case FFI_TYPE_STRUCT: - { - size_t sz = (*p_arg)->size; - unsigned short element_type; - z = ((*p_arg)->size + FFI_SIZEOF_ARG - 1)/FFI_SIZEOF_ARG; - if (is_homogeneous_fp_aggregate(*p_arg, 8, &element_type)) { - int i; - int nelements = sz/float_type_size(element_type); - for (i = 0; i < nelements; ++i) { - switch (element_type) { - case FFI_TYPE_FLOAT: - if (fp_argp - stack->fp_regs < 8) - *fp_argp++ = ((float *)(* p_argv))[i]; - break; - case FFI_TYPE_DOUBLE: - if (fp_argp - stack->fp_regs < 8) - *fp_argp++ = ((double *)(* p_argv))[i]; - break; - default: - /* Extended precision not yet implemented. */ - abort(); - } - } - } - /* And pass it in integer registers as a struct, with */ - /* its actual field sizes packed into registers. */ - memcpy(argp, *p_argv, (*p_arg)->size); - } - break; - - default: - FFI_ASSERT(0); - } - - argp += z; - i++, p_arg++, p_argv++; - } - return (fp_argp != stack -> fp_regs); -} - -/* Perform machine dependent cif processing */ -ffi_status -ffi_prep_cif_machdep(ffi_cif *cif) -{ - long i, avn; - bool is_simple = true; - long simple_flag = FFI_SIMPLE_V; - /* Adjust cif->bytes to include space for the 2 scratch words, - r8 register contents, spare word, - the 8 fp register contents, and all 8 integer register contents. - This will be removed before the call, though 2 scratch words must - remain. */ - - cif->bytes += 4*sizeof(long) + 8 *sizeof(float80); - if (cif->bytes < sizeof(struct ia64_args)) - cif->bytes = sizeof(struct ia64_args); - - /* The stack must be double word aligned, so round bytes up - appropriately. */ - - cif->bytes = ALIGN(cif->bytes, 2*sizeof(void*)); - - avn = cif->nargs; - if (avn <= 2) { - for (i = 0; i < avn; ++i) { - switch(cif -> arg_types[i] -> type) { - case FFI_TYPE_SINT32: - simple_flag = FFI_ADD_INT_ARG(simple_flag); - break; - case FFI_TYPE_SINT64: - case FFI_TYPE_UINT64: - case FFI_TYPE_POINTER: - simple_flag = FFI_ADD_LONG_ARG(simple_flag); - break; - default: - is_simple = false; - } - } - } else { - is_simple = false; - } - - /* Set the return type flag */ - switch (cif->rtype->type) - { - case FFI_TYPE_VOID: - cif->flags = FFI_TYPE_VOID; - break; - - case FFI_TYPE_STRUCT: - { - size_t sz = cif -> rtype -> size; - unsigned short element_type; - - is_simple = false; - if (is_homogeneous_fp_aggregate(cif -> rtype, 8, &element_type)) { - int nelements = sz/float_type_size(element_type); - if (nelements <= 1) { - if (0 == nelements) { - cif -> flags = FFI_TYPE_VOID; - } else { - cif -> flags = element_type; - } - } else { - switch(element_type) { - case FFI_TYPE_FLOAT: - cif -> flags = FFI_IS_FLOAT_FP_AGGREGATE | nelements; - break; - case FFI_TYPE_DOUBLE: - cif -> flags = FFI_IS_DOUBLE_FP_AGGREGATE | nelements; - break; - default: - /* long double NYI */ - abort(); - } - } - break; - } - if (sz <= 32) { - if (sz <= 8) { - cif->flags = FFI_TYPE_INT; - } else if (sz <= 16) { - cif->flags = FFI_IS_SMALL_STRUCT2; - } else if (sz <= 24) { - cif->flags = FFI_IS_SMALL_STRUCT3; - } else { - cif->flags = FFI_IS_SMALL_STRUCT4; - } - } else { - cif->flags = FFI_TYPE_STRUCT; - } - } - break; - - case FFI_TYPE_FLOAT: - is_simple = false; - cif->flags = FFI_TYPE_FLOAT; - break; - - case FFI_TYPE_DOUBLE: - is_simple = false; - cif->flags = FFI_TYPE_DOUBLE; - break; - - default: - cif->flags = FFI_TYPE_INT; - /* This seems to depend on little endian mode, and the fact that */ - /* the return pointer always points to at least 8 bytes. But */ - /* that also seems to be true for other platforms. */ - break; - } - - if (is_simple) cif -> flags |= simple_flag; - return FFI_OK; -} - -extern int ffi_call_unix(bool (*)(struct ia64_args *, extended_cif *, int), - extended_cif *, unsigned, - unsigned, unsigned *, void (*)()); - -void -ffi_call(ffi_cif *cif, void (*fn)(), void *rvalue, void **avalue) -{ - extended_cif ecif; - long simple = cif -> flags & FFI_SIMPLE; - - /* Should this also check for Unix ABI? */ - /* This is almost, but not quite, machine independent. Note that */ - /* we can get away with not caring about length of the result because */ - /* we assume we are little endian, and the result buffer is large */ - /* enough. */ - /* This needs work for HP/UX. */ - if (simple) { - long (*lfn)() = (long (*)())fn; - long result; - switch(simple) { - case FFI_SIMPLE_V: - result = lfn(); - break; - case FFI_SIMPLE_I: - result = lfn(*(int *)avalue[0]); - break; - case FFI_SIMPLE_L: - result = lfn(*(long *)avalue[0]); - break; - case FFI_SIMPLE_II: - result = lfn(*(int *)avalue[0], *(int *)avalue[1]); - break; - case FFI_SIMPLE_IL: - result = lfn(*(int *)avalue[0], *(long *)avalue[1]); - break; - case FFI_SIMPLE_LI: - result = lfn(*(long *)avalue[0], *(int *)avalue[1]); - break; - case FFI_SIMPLE_LL: - result = lfn(*(long *)avalue[0], *(long *)avalue[1]); - break; - } - if ((cif->flags & ~FFI_SIMPLE) != FFI_TYPE_VOID && 0 != rvalue) { - * (long *)rvalue = result; - } - return; - } - 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) - ecif.rvalue = alloca(cif->rtype->size); - else - ecif.rvalue = rvalue; - - switch (cif->abi) - { - case FFI_UNIX: - ffi_call_unix(ffi_prep_args, &ecif, cif->bytes, - cif->flags, rvalue, fn); - break; - - default: - FFI_ASSERT(0); - break; - } -} - -/* - * Closures represent a pair consisting of a function pointer, and - * some user data. A closure is invoked by reinterpreting the closure - * as a function pointer, and branching to it. Thus we can make an - * interpreted function callable as a C function: We turn the interpreter - * itself, together with a pointer specifying the interpreted procedure, - * into a closure. - * On X86, the first few words of the closure structure actually contain code, - * which will do the right thing. On most other architectures, this - * would raise some Icache/Dcache coherence issues (which can be solved, but - * often not cheaply). - * For IA64, function pointer are already pairs consisting of a code - * pointer, and a gp pointer. The latter is needed to access global variables. - * Here we set up such a pair as the first two words of the closure (in - * the "trampoline" area), but we replace the gp pointer with a pointer - * to the closure itself. We also add the real gp pointer to the - * closure. This allows the function entry code to both retrieve the - * user data, and to restire the correct gp pointer. - */ - -static void -ffi_prep_incoming_args_UNIX(struct ia64_args *args, void **rvalue, - void **avalue, ffi_cif *cif); - -/* This function is entered with the doctored gp (r1) value. - * This code is extremely gcc specific. There is some argument that - * it should really be written in assembly code, since it depends on - * gcc properties that might change over time. - */ - -/* ffi_closure_UNIX is an assembly routine, which copies the register */ -/* state into a struct ia64_args, and then invokes */ -/* ffi_closure_UNIX_inner. It also recovers the closure pointer */ -/* from its fake gp pointer. */ -void ffi_closure_UNIX(); - -#ifndef __GNUC__ -# error This requires gcc -#endif -void -ffi_closure_UNIX_inner (ffi_closure *closure, struct ia64_args * args) -/* Hopefully declaring this as a varargs function will force all args */ -/* to memory. */ -{ - // this is our return value storage - long double res; - - // our various things... - ffi_cif *cif; - unsigned short rtype; - void *resp; - void **arg_area; - - resp = (void*)&res; - 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_UNIX(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 volatile ("ld8 r8=[%0]" : : "r" (resp) : "r8"); - } - else if (rtype == FFI_TYPE_FLOAT) - { - asm volatile ("ldfs f8=[%0]" : : "r" (resp) : "f8"); - } - else if (rtype == FFI_TYPE_DOUBLE) - { - asm volatile ("ldfd f8=[%0]" : : "r" (resp) : "f8"); - } - else if (rtype == FFI_IS_SMALL_STRUCT2) - { - asm volatile ("ld8 r8=[%0]; ld8 r9=[%1]" - : : "r" (resp), "r" (resp+8) : "r8","r9"); - } - else if (rtype == FFI_IS_SMALL_STRUCT3) - { - asm volatile ("ld8 r8=[%0]; ld8 r9=[%1]; ld8 r10=[%2]" - : : "r" (resp), "r" (resp+8), "r" (resp+16) - : "r8","r9","r10"); - } - else if (rtype == FFI_IS_SMALL_STRUCT4) - { - asm volatile ("ld8 r8=[%0]; ld8 r9=[%1]; ld8 r10=[%2]; ld8 r11=[%3]" - : : "r" (resp), "r" (resp+8), "r" (resp+16), "r" (resp+24) - : "r8","r9","r10","r11"); - } - else if (rtype != FFI_TYPE_VOID && rtype != FFI_TYPE_STRUCT) - { - /* Can only happen for homogeneous FP aggregates? */ - abort(); - } -} - -static void -ffi_prep_incoming_args_UNIX(struct ia64_args *args, void **rvalue, - void **avalue, ffi_cif *cif) -{ - register unsigned int i; - register unsigned int avn; - register void **p_argv; - register long *argp = args -> out_regs; - unsigned fp_reg_num = 0; - register ffi_type **p_arg; - - avn = cif->nargs; - p_argv = avalue; - - for (i = cif->nargs, p_arg = cif->arg_types; i != 0; i--, p_arg++) - { - size_t z; /* In units of words or argument slots. */ - - switch ((*p_arg)->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: - z = 1; - *p_argv = (void *)argp; - break; - - case FFI_TYPE_FLOAT: - z = 1; - /* Convert argument back to float in place from the saved value */ - if (argp - args->out_regs < 8 && fp_reg_num < 8) { - *(float *)argp = args -> fp_regs[fp_reg_num++]; - } - *p_argv = (void *)argp; - break; - - case FFI_TYPE_DOUBLE: - z = 1; - if (argp - args->out_regs < 8 && fp_reg_num < 8) { - *p_argv = args -> fp_regs + fp_reg_num++; - } else { - *p_argv = (void *)argp; - } - break; - - case FFI_TYPE_STRUCT: - { - size_t sz = (*p_arg)->size; - unsigned short element_type; - z = ((*p_arg)->size + FFI_SIZEOF_ARG - 1)/FFI_SIZEOF_ARG; - if (argp - args->out_regs < 8 - && is_homogeneous_fp_aggregate(*p_arg, 8, &element_type)) { - int nelements = sz/float_type_size(element_type); - if (nelements + fp_reg_num >= 8) { - /* hard case NYI. */ - abort(); - } - if (element_type == FFI_TYPE_DOUBLE) { - *p_argv = args -> fp_regs + fp_reg_num; - fp_reg_num += nelements; - break; - } - if (element_type == FFI_TYPE_FLOAT) { - int j; - for (j = 0; j < nelements; ++ j) { - ((float *)argp)[j] = args -> fp_regs[fp_reg_num + j]; - } - *p_argv = (void *)argp; - fp_reg_num += nelements; - break; - } - abort(); /* Other fp types NYI */ - } - } - break; - - default: - FFI_ASSERT(0); - } - - argp += z; - p_argv++; - - } - - return; -} - - -/* 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 */ - -/* The layout of a function descriptor. A C function pointer really */ -/* points to one of these. */ -typedef struct ia64_fd_struct { - void *code_pointer; - void *gp; -} ia64_fd; - -ffi_status -ffi_prep_closure (ffi_closure* closure, - ffi_cif* cif, - void (*fun)(ffi_cif*,void*,void**,void*), - void *user_data) -{ - struct ffi_ia64_trampoline_struct *tramp = - (struct ffi_ia64_trampoline_struct *) (closure -> tramp); - ia64_fd *fd = (ia64_fd *)(void *)ffi_closure_UNIX; - - FFI_ASSERT (cif->abi == FFI_UNIX); - - tramp -> code_pointer = fd -> code_pointer; - tramp -> real_gp = fd -> gp; - tramp -> fake_gp = closure; - closure->cif = cif; - closure->user_data = user_data; - closure->fun = fun; - - return FFI_OK; -} - - diff --git a/libffi/src/ia64/ffitarget.h b/libffi/src/ia64/ffitarget.h deleted file mode 100644 index 3b78654..0000000 --- a/libffi/src/ia64/ffitarget.h +++ /dev/null @@ -1,58 +0,0 @@ -/* -----------------------------------------------------------------*-C-*- - ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc. - Target configuration macros for IA-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 - -#ifndef LIBFFI_ASM -typedef unsigned long ffi_arg; -typedef signed long ffi_sarg; - -typedef enum ffi_abi { - FFI_FIRST_ABI = 0, - FFI_UNIX, /* Linux and all Unix variants use the same conventions */ - FFI_DEFAULT_ABI = FFI_UNIX, - FFI_LAST_ABI = FFI_DEFAULT_ABI + 1 -} ffi_abi; -#endif - -/* ---- Definitions for closures ----------------------------------------- */ - -#define FFI_CLOSURES 1 -#define FFI_TRAMPOLINE_SIZE 24 /* Really the following struct, which */ - /* can be interpreted as a C function */ - /* descriptor: */ - -#ifndef LIBFFI_ASM -struct ffi_ia64_trampoline_struct { - void * code_pointer; /* Pointer to ffi_closure_UNIX */ - void * fake_gp; /* Pointer to closure, installed as gp */ - void * real_gp; /* Real gp value, reinstalled by */ - /* ffi_closure_UNIX. */ -}; -#endif - -#endif - diff --git a/libffi/src/ia64/ia64_flags.h b/libffi/src/ia64/ia64_flags.h deleted file mode 100644 index 23dbd3e..0000000 --- a/libffi/src/ia64/ia64_flags.h +++ /dev/null @@ -1,62 +0,0 @@ -/* ----------------------------------------------------------------------- - ia64_flags.h - Copyright (c) 2000 Hewlett Packard Company - - IA64/unix Foreign Function Interface - - Original author: Hans Boehm, HP Labs - - 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. - ----------------------------------------------------------------------- */ - - -/* Homogeneous Floating Point Aggregates (HFAs) which are returned */ -/* in FP registers. The least significant bits specify the size in */ -/* words. */ -#define FFI_IS_FLOAT_FP_AGGREGATE 0x1000 -#define FFI_IS_DOUBLE_FP_AGGREGATE 0x0800 -#define FLOAT_FP_AGGREGATE_BIT 12 -#define DOUBLE_FP_AGGREGATE_BIT 11 - -/* Small structures containing N words. If N=1, they are returned */ -/* as though they were integers. */ -#define FFI_IS_SMALL_STRUCT2 0x40 /* Struct > 8, <=16 bytes */ -#define FFI_IS_SMALL_STRUCT3 0x41 /* Struct > 16 <= 24 bytes */ -#define FFI_IS_SMALL_STRUCT4 0x42 /* Struct > 24, <=32 bytes */ - -/* Flag values identifying particularly simple cases, which are */ -/* handled specially. We treat functions as simple if they take all */ -/* arguments can be passed as 32 or 64 bit integer quantities, there is */ -/* either no return value or it can be treated as a 64bit integer, and */ -/* if there are at most 2 arguments. */ -/* This is OR'ed with the normal flag values. */ -#define FFI_SIMPLE_V 0x10000 /* () -> X */ -#define FFI_SIMPLE_I 0x20000 /* (int) -> X */ -#define FFI_SIMPLE_L 0x30000 /* (long) -> X */ -#define FFI_SIMPLE_II 0x40000 /* (int,int) -> X */ -#define FFI_SIMPLE_IL 0x50000 /* (int,long) -> X */ -#define FFI_SIMPLE_LI 0x60000 /* (long,int) -> X */ -#define FFI_SIMPLE_LL 0x70000 /* (long,long) -> X */ - -/* Mask for all of the FFI_SIMPLE bits: */ -#define FFI_SIMPLE 0xf0000 - -/* An easy way to build FFI_SIMPLE flags from FFI_SIMPLE_V: */ -#define FFI_ADD_LONG_ARG(flag) (((flag) << 1) | 0x10000) -#define FFI_ADD_INT_ARG(flag) ((flag) << 1) diff --git a/libffi/src/ia64/unix.S b/libffi/src/ia64/unix.S deleted file mode 100644 index c0c5058..0000000 --- a/libffi/src/ia64/unix.S +++ /dev/null @@ -1,326 +0,0 @@ -/* ----------------------------------------------------------------------- - unix.S - Copyright (c) 1998 Red Hat, Inc. - Copyright (c) 2000 Hewlett Packard Company - - IA64/unix Foreign Function Interface - - Primary author: Hans Boehm, HP Labs - - Loosely modeled on Cygnus code for other platforms. - - 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 -#include -#include "ia64_flags.h" - -/* parameters: */ -#define callback in0 -#define ecifp in1 -#define bytes in2 -#define flags in3 -#define raddr in4 -#define fn in5 - -#define FLOAT_SZ 8 /* in-memory size of fp operands */ - -/* Allocate an ia64_args structure on the stack; call ffi_prep_args */ -/* to fill it in with argument values; copy those to the real */ -/* registers, leaving overflow arguments on the stack. Then call fn */ -/* and move the result from registers into *raddr. */ - .pred.safe_across_calls p1-p5,p16-p63 -.text - .align 16 - .global ffi_call_unix - .proc ffi_call_unix -ffi_call_unix: - .prologue - .save ar.pfs,r38 /* loc0 */ - alloc loc0=ar.pfs,6,6,8,0 - .save rp,loc1 - mov loc1=b0; - .vframe loc5 - mov loc5=sp; - .body - sub sp=sp,bytes - mov loc4=r1 /* Save gp */ - ld8 r8=[callback],8 /* code address of callback */ - ;; - mov out0=sp - mov out1=ecifp - mov out2=bytes - ld8 r1=[callback] /* Set up gp for callback. Unnecessary? */ - mov b6=r8 - ;; - br.call.sptk.many b0 = b6 /* call ffi_prep_args */ - cmp.eq p6,p0=0,r8 /* r8 nonzero ==> need fp regs */ - ;; -(p6) add loc2=32+8*FLOAT_SZ,sp -(p6) br.cond.dptk.many fp_done - ;; /* Quiets warning; needed? */ - add loc2=32,sp - add loc3=32+FLOAT_SZ,sp - ;; - ldfd f8=[loc2],2*FLOAT_SZ - ldfd f9=[loc3],2*FLOAT_SZ - ;; - ldfd f10=[loc2],2*FLOAT_SZ - ldfd f11=[loc3],2*FLOAT_SZ - ;; - ldfd f12=[loc2],2*FLOAT_SZ - ldfd f13=[loc3],2*FLOAT_SZ - ;; - ldfd f14=[loc2],2*FLOAT_SZ - ldfd f15=[loc3] -fp_done: - add r9=16,sp /* Pointer to r8_contents */ - /* loc2 points at first integer register value. */ - add loc3=8,loc2 - ;; - ld8 r8=[r9] /* Just in case we return large struct */ - ld8 out0=[loc2],16 - ld8 out1=[loc3],16 - ;; - ld8 out2=[loc2],16 - ld8 out3=[loc3],16 - ;; - ld8 out4=[loc2],16 - ld8 out5=[loc3],16 - ;; - ld8 out6=[loc2] - ld8 out7=[loc3] - /* Set sp to 16 bytes below the first stack parameter. This */ - /* is the value currently in loc2. */ - mov sp=loc2 - - ld8 r8=[fn],8 - ;; - ld8 r1=[fn] /* Set up gp */ - mov b6=r8;; - br.call.sptk.many b0 = b6 /* call fn */ - - /* Handle return value. */ - cmp.eq p6,p0=0,raddr - cmp.eq p7,p0=FFI_TYPE_INT,flags - cmp.eq p10,p0=FFI_IS_SMALL_STRUCT2,flags - cmp.eq p11,p0=FFI_IS_SMALL_STRUCT3,flags - cmp.eq p12,p0=FFI_IS_SMALL_STRUCT4,flags - ;; -(p6) br.cond.dpnt.few done /* Dont copy ret values if raddr = 0 */ -(p7) br.cond.dptk.few copy1 -(p10) br.cond.dpnt.few copy2 -(p11) br.cond.dpnt.few copy3 -(p12) br.cond.dpnt.few copy4 - cmp.eq p8,p0=FFI_TYPE_FLOAT,flags - cmp.eq p9,p0=FFI_TYPE_DOUBLE,flags - tbit.nz p6,p0=flags,FLOAT_FP_AGGREGATE_BIT - tbit.nz p7,p0=flags,DOUBLE_FP_AGGREGATE_BIT - ;; -(p8) stfs [raddr]=f8 -(p9) stfd [raddr]=f8 - ;; - .label_state 1 -(p6) br.cond.dpnt.few handle_float_hfa -(p7) br.cond.dpnt.few handle_double_hfa - br done - -copy4: - add loc3=24,raddr - ;; - st8 [loc3]=r11 -copy3: - add loc3=16,raddr - ;; - st8 [loc3]=r10 -copy2: - add loc3=8,raddr - ;; - st8 [loc3]=r9 -copy1: - st8 [raddr]=r8 - /* In the big struct case, raddr was passed as an argument. */ - /* In the void case there was nothing to do. */ - -done: - mov r1=loc4 /* Restore gp */ - mov ar.pfs = loc0 - mov b0 = loc1 - .restore sp - mov sp = loc5 - br.ret.sptk.many b0 - -handle_double_hfa: - .body - .copy_state 1 - /* Homogeneous floating point array of doubles is returned in */ - /* registers f8-f15. Save one at a time to return area. */ - and flags=0xf,flags /* Retrieve size */ - ;; - cmp.eq p6,p0=2,flags - cmp.eq p7,p0=3,flags - cmp.eq p8,p0=4,flags - cmp.eq p9,p0=5,flags - cmp.eq p10,p0=6,flags - cmp.eq p11,p0=7,flags - cmp.eq p12,p0=8,flags - ;; -(p6) br.cond.dptk.few dhfa2 -(p7) br.cond.dptk.few dhfa3 -(p8) br.cond.dptk.few dhfa4 -(p9) br.cond.dptk.few dhfa5 -(p10) br.cond.dptk.few dhfa6 -(p11) br.cond.dptk.few dhfa7 -dhfa8: add loc3=7*8,raddr - ;; - stfd [loc3]=f15 -dhfa7: add loc3=6*8,raddr - ;; - stfd [loc3]=f14 -dhfa6: add loc3=5*8,raddr - ;; - stfd [loc3]=f13 -dhfa5: add loc3=4*8,raddr - ;; - stfd [loc3]=f12 -dhfa4: add loc3=3*8,raddr - ;; - stfd [loc3]=f11 -dhfa3: add loc3=2*8,raddr - ;; - stfd [loc3]=f10 -dhfa2: add loc3=1*8,raddr - ;; - stfd [loc3]=f9 - stfd [raddr]=f8 - br done - -handle_float_hfa: - /* Homogeneous floating point array of floats is returned in */ - /* registers f8-f15. Save one at a time to return area. */ - and flags=0xf,flags /* Retrieve size */ - ;; - cmp.eq p6,p0=2,flags - cmp.eq p7,p0=3,flags - cmp.eq p8,p0=4,flags - cmp.eq p9,p0=5,flags - cmp.eq p10,p0=6,flags - cmp.eq p11,p0=7,flags - cmp.eq p12,p0=8,flags - ;; -(p6) br.cond.dptk.few shfa2 -(p7) br.cond.dptk.few shfa3 -(p8) br.cond.dptk.few shfa4 -(p9) br.cond.dptk.few shfa5 -(p10) br.cond.dptk.few shfa6 -(p11) br.cond.dptk.few shfa7 -shfa8: add loc3=7*4,raddr - ;; - stfd [loc3]=f15 -shfa7: add loc3=6*4,raddr - ;; - stfd [loc3]=f14 -shfa6: add loc3=5*4,raddr - ;; - stfd [loc3]=f13 -shfa5: add loc3=4*4,raddr - ;; - stfd [loc3]=f12 -shfa4: add loc3=3*4,raddr - ;; - stfd [loc3]=f11 -shfa3: add loc3=2*4,raddr - ;; - stfd [loc3]=f10 -shfa2: add loc3=1*4,raddr - ;; - stfd [loc3]=f9 - stfd [raddr]=f8 - br done - - .endp ffi_call_unix - - - .pred.safe_across_calls p1-p5,p16-p63 -.text - .align 16 - .global ffi_closure_UNIX - .proc ffi_closure_UNIX -ffi_closure_UNIX: - .prologue - .save ar.pfs,r40 /* loc0 */ - alloc loc0=ar.pfs,8,3,2,0 - .save rp,loc1 - mov loc1=b0 - .vframe loc2 - mov loc2=sp - /* Retrieve closure pointer and real gp. */ - mov out0=gp - add gp=16,gp - ;; - ld8 gp=[gp] - /* Reserve a structia64_args on the stack such that arguments */ - /* past the first 8 are automatically placed in the right */ - /* slot. Note that when we start the sp points at 2 8-byte */ - /* scratch words, followed by the extra arguments. */ -# define BASIC_ARGS_SZ (8*FLOAT_SZ+8*8+2*8) -# define FIRST_FP_OFFSET (4*8) - add r14=-(BASIC_ARGS_SZ-FIRST_FP_OFFSET),sp - add r15=-(BASIC_ARGS_SZ-FIRST_FP_OFFSET-FLOAT_SZ),sp - add sp=-BASIC_ARGS_SZ,sp - /* r14 points to fp_regs[0], r15 points to fp_regs[1] */ - ;; - stfd [r14]=f8,2*FLOAT_SZ - stfd [r15]=f9,2*FLOAT_SZ - ;; - stfd [r14]=f10,2*FLOAT_SZ - stfd [r15]=f11,2*FLOAT_SZ - ;; - stfd [r14]=f12,2*FLOAT_SZ - stfd [r15]=f13,2*FLOAT_SZ - ;; - stfd [r14]=f14,FLOAT_SZ+8 - stfd [r15]=f15,2*8 - ;; - /* r14 points to first parameter register area, r15 to second. */ - st8 [r14]=in0,2*8 - st8 [r15]=in1,2*8 - ;; - st8 [r14]=in2,2*8 - st8 [r15]=in3,2*8 - ;; - st8 [r14]=in4,2*8 - st8 [r15]=in5,2*8 - ;; - st8 [r14]=in6,2*8 - st8 [r15]=in7,2*8 - /* Call ffi_closure_UNIX_inner */ - mov out1=sp - br.call.sptk.many b0=ffi_closure_UNIX_inner - ;; - mov b0=loc1 - mov ar.pfs=loc0 - .restore sp - mov sp=loc2 - br.ret.sptk.many b0 - .endp ffi_closure_UNIX - - -- cgit v1.2.3