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-rw-r--r--libffi.old/src/ia64/ffi.c671
-rw-r--r--libffi.old/src/ia64/ffitarget.h58
-rw-r--r--libffi.old/src/ia64/ia64_flags.h62
-rw-r--r--libffi.old/src/ia64/unix.S326
4 files changed, 0 insertions, 1117 deletions
diff --git a/libffi.old/src/ia64/ffi.c b/libffi.old/src/ia64/ffi.c
deleted file mode 100644
index 1dc27db..0000000
--- a/libffi.old/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 <ffi.h>
-#include <ffi_common.h>
-
-#include <stdlib.h>
-#include <stdbool.h>
-
-#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.old/src/ia64/ffitarget.h b/libffi.old/src/ia64/ffitarget.h
deleted file mode 100644
index 3b78654..0000000
--- a/libffi.old/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.old/src/ia64/ia64_flags.h b/libffi.old/src/ia64/ia64_flags.h
deleted file mode 100644
index 23dbd3e..0000000
--- a/libffi.old/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.old/src/ia64/unix.S b/libffi.old/src/ia64/unix.S
deleted file mode 100644
index c0c5058..0000000
--- a/libffi.old/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 <fficonfig.h>
-#include <ffi.h>
-#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
-
-
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