+++ /dev/null
-Upstream-Status: merged
-
-From 6fb142b06652d3a4f295778b14adadbc9d93fbe7 Mon Sep 17 00:00:00 2001
-From: Marcus Shawcroft <marcus. shawcroft@arm.dot.com>
-Date: Fri, 28 Sep 2012 17:28:48 +0100
-Subject: [PATCH] New port for ARM AArch64
-
-ARM would like to contribute a libffi port for the ARM AArch64
-architecture. The port passes the test suite cleanly. The proposed
-ChangeLog and patches are included below.
-
-/Marcus
-
-2012-09-18 James Greenhalgh <james.greenhalgh at arm.com>
- Marcus Shawcroft <marcus.shawcroft at arm.com>
-
- * README: Add details of aarch64 port.
- * src/aarch64/ffi.c: New.
- * src/aarch64/ffitarget.h: Likewise.
- * src/aarch64/sysv.S: Likewise.
-
-2012-09-18 James Greenhalgh <james.greenhalgh at arm.com>
- Marcus Shawcroft <marcus.shawcroft at arm.com>
-
- * testsuite/lib/libffi.exp: Add support for aarch64.
- * testsuite/libffi.call/cls_struct_va1.c: New.
- * testsuite/libffi.call/cls_uchar_va.c: Likewise.
- * testsuite/libffi.call/cls_uint_va.c: Likewise.
- * testsuite/libffi.call/cls_ulong_va.c: Liekwise.
- * testsuite/libffi.call/cls_ushort_va.c: Likewise.
- * testsuite/libffi.call/nested_struct11.c: Likewise.
- * testsuite/libffi.call/uninitialized.c: Likewise.
- * testsuite/libffi.call/va_1.c: Likewise.
- * testsuite/libffi.call/va_struct1.c: Likewise.
- * testsuite/libffi.call/va_struct2.c: Likewise.
- * testsuite/libffi.call/va_struct3.c: Likewise.
----
- README | 2 +
- src/aarch64/ffi.c | 1076 +++++++++++++++++++++++++++++++
- src/aarch64/ffitarget.h | 59 ++
- src/aarch64/sysv.S | 307 +++++++++
- testsuite/lib/libffi.exp | 4 +
- testsuite/libffi.call/cls_struct_va1.c | 114 ++++
- testsuite/libffi.call/cls_uchar_va.c | 44 ++
- testsuite/libffi.call/cls_uint_va.c | 45 ++
- testsuite/libffi.call/cls_ulong_va.c | 45 ++
- testsuite/libffi.call/cls_ushort_va.c | 44 ++
- testsuite/libffi.call/nested_struct11.c | 121 ++++
- testsuite/libffi.call/uninitialized.c | 61 ++
- testsuite/libffi.call/va_1.c | 196 ++++++
- testsuite/libffi.call/va_struct1.c | 121 ++++
- testsuite/libffi.call/va_struct2.c | 123 ++++
- testsuite/libffi.call/va_struct3.c | 125 ++++
- 16 files changed, 2487 insertions(+)
- create mode 100644 src/aarch64/ffi.c
- create mode 100644 src/aarch64/ffitarget.h
- create mode 100644 src/aarch64/sysv.S
- create mode 100644 testsuite/libffi.call/cls_struct_va1.c
- create mode 100644 testsuite/libffi.call/cls_uchar_va.c
- create mode 100644 testsuite/libffi.call/cls_uint_va.c
- create mode 100644 testsuite/libffi.call/cls_ulong_va.c
- create mode 100644 testsuite/libffi.call/cls_ushort_va.c
- create mode 100644 testsuite/libffi.call/nested_struct11.c
- create mode 100644 testsuite/libffi.call/uninitialized.c
- create mode 100644 testsuite/libffi.call/va_1.c
- create mode 100644 testsuite/libffi.call/va_struct1.c
- create mode 100644 testsuite/libffi.call/va_struct2.c
- create mode 100644 testsuite/libffi.call/va_struct3.c
-
-diff --git a/README b/README
-index 0cf0720..8fc473f 100644
---- a/README
-+++ b/README
-@@ -51,6 +51,7 @@ tested:
- |--------------+------------------|
- | Architecture | Operating System |
- |--------------+------------------|
-+| AArch64 | Linux |
- | Alpha | Linux |
- | Alpha | Tru64 |
- | ARM | Linux |
-@@ -319,6 +320,7 @@ Thorup.
- Major processor architecture ports were contributed by the following
- developers:
-
-+aarch64 Marcus Shawcroft, James Greenhalgh
- alpha Richard Henderson
- arm Raffaele Sena
- cris Simon Posnjak, Hans-Peter Nilsson
-diff --git a/src/aarch64/ffi.c b/src/aarch64/ffi.c
-new file mode 100644
-index 0000000..1405665
---- /dev/null
-+++ b/src/aarch64/ffi.c
-@@ -0,0 +1,1076 @@
-+/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
-+
-+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 <stdio.h>
-+
-+#include <ffi.h>
-+#include <ffi_common.h>
-+
-+#include <stdlib.h>
-+
-+/* Stack alignment requirement in bytes */
-+#define AARCH64_STACK_ALIGN 16
-+
-+#define N_X_ARG_REG 8
-+#define N_V_ARG_REG 8
-+
-+#define AARCH64_FFI_WITH_V (1 << AARCH64_FFI_WITH_V_BIT)
-+
-+union _d
-+{
-+ UINT64 d;
-+ UINT32 s[2];
-+};
-+
-+struct call_context
-+{
-+ UINT64 x [AARCH64_N_XREG];
-+ struct
-+ {
-+ union _d d[2];
-+ } v [AARCH64_N_VREG];
-+};
-+
-+static void *
-+get_x_addr (struct call_context *context, unsigned n)
-+{
-+ return &context->x[n];
-+}
-+
-+static void *
-+get_s_addr (struct call_context *context, unsigned n)
-+{
-+#if defined __AARCH64EB__
-+ return &context->v[n].d[1].s[1];
-+#else
-+ return &context->v[n].d[0].s[0];
-+#endif
-+}
-+
-+static void *
-+get_d_addr (struct call_context *context, unsigned n)
-+{
-+#if defined __AARCH64EB__
-+ return &context->v[n].d[1];
-+#else
-+ return &context->v[n].d[0];
-+#endif
-+}
-+
-+static void *
-+get_v_addr (struct call_context *context, unsigned n)
-+{
-+ return &context->v[n];
-+}
-+
-+/* Return the memory location at which a basic type would reside
-+ were it to have been stored in register n. */
-+
-+static void *
-+get_basic_type_addr (unsigned short type, struct call_context *context,
-+ unsigned n)
-+{
-+ switch (type)
-+ {
-+ case FFI_TYPE_FLOAT:
-+ return get_s_addr (context, n);
-+ case FFI_TYPE_DOUBLE:
-+ return get_d_addr (context, n);
-+ case FFI_TYPE_LONGDOUBLE:
-+ return get_v_addr (context, n);
-+ 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_INT:
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_SINT64:
-+ return get_x_addr (context, n);
-+ default:
-+ FFI_ASSERT (0);
-+ return NULL;
-+ }
-+}
-+
-+/* Return the alignment width for each of the basic types. */
-+
-+static size_t
-+get_basic_type_alignment (unsigned short type)
-+{
-+ switch (type)
-+ {
-+ case FFI_TYPE_FLOAT:
-+ case FFI_TYPE_DOUBLE:
-+ return sizeof (UINT64);
-+ case FFI_TYPE_LONGDOUBLE:
-+ return sizeof (long double);
-+ case FFI_TYPE_UINT8:
-+ case FFI_TYPE_SINT8:
-+ case FFI_TYPE_UINT16:
-+ case FFI_TYPE_SINT16:
-+ case FFI_TYPE_UINT32:
-+ case FFI_TYPE_INT:
-+ case FFI_TYPE_SINT32:
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_SINT64:
-+ return sizeof (UINT64);
-+
-+ default:
-+ FFI_ASSERT (0);
-+ return 0;
-+ }
-+}
-+
-+/* Return the size in bytes for each of the basic types. */
-+
-+static size_t
-+get_basic_type_size (unsigned short type)
-+{
-+ switch (type)
-+ {
-+ case FFI_TYPE_FLOAT:
-+ return sizeof (UINT32);
-+ case FFI_TYPE_DOUBLE:
-+ return sizeof (UINT64);
-+ case FFI_TYPE_LONGDOUBLE:
-+ return sizeof (long double);
-+ case FFI_TYPE_UINT8:
-+ return sizeof (UINT8);
-+ case FFI_TYPE_SINT8:
-+ return sizeof (SINT8);
-+ case FFI_TYPE_UINT16:
-+ return sizeof (UINT16);
-+ case FFI_TYPE_SINT16:
-+ return sizeof (SINT16);
-+ case FFI_TYPE_UINT32:
-+ return sizeof (UINT32);
-+ case FFI_TYPE_INT:
-+ case FFI_TYPE_SINT32:
-+ return sizeof (SINT32);
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ return sizeof (UINT64);
-+ case FFI_TYPE_SINT64:
-+ return sizeof (SINT64);
-+
-+ default:
-+ FFI_ASSERT (0);
-+ return 0;
-+ }
-+}
-+
-+extern void
-+ffi_call_SYSV (unsigned (*)(struct call_context *context, unsigned char *,
-+ extended_cif *),
-+ struct call_context *context,
-+ extended_cif *,
-+ unsigned,
-+ void (*fn)(void));
-+
-+extern void
-+ffi_closure_SYSV (ffi_closure *);
-+
-+/* Test for an FFI floating point representation. */
-+
-+static unsigned
-+is_floating_type (unsigned short type)
-+{
-+ return (type == FFI_TYPE_FLOAT || type == FFI_TYPE_DOUBLE
-+ || type == FFI_TYPE_LONGDOUBLE);
-+}
-+
-+/* Test for a homogeneous structure. */
-+
-+static unsigned short
-+get_homogeneous_type (ffi_type *ty)
-+{
-+ if (ty->type == FFI_TYPE_STRUCT && ty->elements)
-+ {
-+ unsigned i;
-+ unsigned short candidate_type
-+ = get_homogeneous_type (ty->elements[0]);
-+ for (i =1; ty->elements[i]; i++)
-+ {
-+ unsigned short iteration_type = 0;
-+ /* If we have a nested struct, we must find its homogeneous type.
-+ If that fits with our candidate type, we are still
-+ homogeneous. */
-+ if (ty->elements[i]->type == FFI_TYPE_STRUCT
-+ && ty->elements[i]->elements)
-+ {
-+ iteration_type = get_homogeneous_type (ty->elements[i]);
-+ }
-+ else
-+ {
-+ iteration_type = ty->elements[i]->type;
-+ }
-+
-+ /* If we are not homogeneous, return FFI_TYPE_STRUCT. */
-+ if (candidate_type != iteration_type)
-+ return FFI_TYPE_STRUCT;
-+ }
-+ return candidate_type;
-+ }
-+
-+ /* Base case, we have no more levels of nesting, so we
-+ are a basic type, and so, trivially homogeneous in that type. */
-+ return ty->type;
-+}
-+
-+/* Determine the number of elements within a STRUCT.
-+
-+ Note, we must handle nested structs.
-+
-+ If ty is not a STRUCT this function will return 0. */
-+
-+static unsigned
-+element_count (ffi_type *ty)
-+{
-+ if (ty->type == FFI_TYPE_STRUCT && ty->elements)
-+ {
-+ unsigned n;
-+ unsigned elems = 0;
-+ for (n = 0; ty->elements[n]; n++)
-+ {
-+ if (ty->elements[n]->type == FFI_TYPE_STRUCT
-+ && ty->elements[n]->elements)
-+ elems += element_count (ty->elements[n]);
-+ else
-+ elems++;
-+ }
-+ return elems;
-+ }
-+ return 0;
-+}
-+
-+/* Test for a homogeneous floating point aggregate.
-+
-+ A homogeneous floating point aggregate is a homogeneous aggregate of
-+ a half- single- or double- precision floating point type with one
-+ to four elements. Note that this includes nested structs of the
-+ basic type. */
-+
-+static int
-+is_hfa (ffi_type *ty)
-+{
-+ if (ty->type == FFI_TYPE_STRUCT
-+ && ty->elements[0]
-+ && is_floating_type (get_homogeneous_type (ty)))
-+ {
-+ unsigned n = element_count (ty);
-+ return n >= 1 && n <= 4;
-+ }
-+ return 0;
-+}
-+
-+/* Test if an ffi_type is a candidate for passing in a register.
-+
-+ This test does not check that sufficient registers of the
-+ appropriate class are actually available, merely that IFF
-+ sufficient registers are available then the argument will be passed
-+ in register(s).
-+
-+ Note that an ffi_type that is deemed to be a register candidate
-+ will always be returned in registers.
-+
-+ Returns 1 if a register candidate else 0. */
-+
-+static int
-+is_register_candidate (ffi_type *ty)
-+{
-+ switch (ty->type)
-+ {
-+ case FFI_TYPE_VOID:
-+ case FFI_TYPE_FLOAT:
-+ case FFI_TYPE_DOUBLE:
-+ case FFI_TYPE_LONGDOUBLE:
-+ case FFI_TYPE_UINT8:
-+ case FFI_TYPE_UINT16:
-+ case FFI_TYPE_UINT32:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_SINT8:
-+ case FFI_TYPE_SINT16:
-+ case FFI_TYPE_SINT32:
-+ case FFI_TYPE_INT:
-+ case FFI_TYPE_SINT64:
-+ return 1;
-+
-+ case FFI_TYPE_STRUCT:
-+ if (is_hfa (ty))
-+ {
-+ return 1;
-+ }
-+ else if (ty->size > 16)
-+ {
-+ /* Too large. Will be replaced with a pointer to memory. The
-+ pointer MAY be passed in a register, but the value will
-+ not. This test specifically fails since the argument will
-+ never be passed by value in registers. */
-+ return 0;
-+ }
-+ else
-+ {
-+ /* Might be passed in registers depending on the number of
-+ registers required. */
-+ return (ty->size + 7) / 8 < N_X_ARG_REG;
-+ }
-+ break;
-+
-+ default:
-+ FFI_ASSERT (0);
-+ break;
-+ }
-+
-+ return 0;
-+}
-+
-+/* Test if an ffi_type argument or result is a candidate for a vector
-+ register. */
-+
-+static int
-+is_v_register_candidate (ffi_type *ty)
-+{
-+ return is_floating_type (ty->type)
-+ || (ty->type == FFI_TYPE_STRUCT && is_hfa (ty));
-+}
-+
-+/* Representation of the procedure call argument marshalling
-+ state.
-+
-+ The terse state variable names match the names used in the AARCH64
-+ PCS. */
-+
-+struct arg_state
-+{
-+ unsigned ngrn; /* Next general-purpose register number. */
-+ unsigned nsrn; /* Next vector register number. */
-+ unsigned nsaa; /* Next stack offset. */
-+};
-+
-+/* Initialize a procedure call argument marshalling state. */
-+static void
-+arg_init (struct arg_state *state, unsigned call_frame_size)
-+{
-+ state->ngrn = 0;
-+ state->nsrn = 0;
-+ state->nsaa = 0;
-+}
-+
-+/* Return the number of available consecutive core argument
-+ registers. */
-+
-+static unsigned
-+available_x (struct arg_state *state)
-+{
-+ return N_X_ARG_REG - state->ngrn;
-+}
-+
-+/* Return the number of available consecutive vector argument
-+ registers. */
-+
-+static unsigned
-+available_v (struct arg_state *state)
-+{
-+ return N_V_ARG_REG - state->nsrn;
-+}
-+
-+static void *
-+allocate_to_x (struct call_context *context, struct arg_state *state)
-+{
-+ FFI_ASSERT (state->ngrn < N_X_ARG_REG)
-+ return get_x_addr (context, (state->ngrn)++);
-+}
-+
-+static void *
-+allocate_to_s (struct call_context *context, struct arg_state *state)
-+{
-+ FFI_ASSERT (state->nsrn < N_V_ARG_REG)
-+ return get_s_addr (context, (state->nsrn)++);
-+}
-+
-+static void *
-+allocate_to_d (struct call_context *context, struct arg_state *state)
-+{
-+ FFI_ASSERT (state->nsrn < N_V_ARG_REG)
-+ return get_d_addr (context, (state->nsrn)++);
-+}
-+
-+static void *
-+allocate_to_v (struct call_context *context, struct arg_state *state)
-+{
-+ FFI_ASSERT (state->nsrn < N_V_ARG_REG)
-+ return get_v_addr (context, (state->nsrn)++);
-+}
-+
-+/* Allocate an aligned slot on the stack and return a pointer to it. */
-+static void *
-+allocate_to_stack (struct arg_state *state, void *stack, unsigned alignment,
-+ unsigned size)
-+{
-+ void *allocation;
-+
-+ /* Round up the NSAA to the larger of 8 or the natural
-+ alignment of the argument's type. */
-+ state->nsaa = ALIGN (state->nsaa, alignment);
-+ state->nsaa = ALIGN (state->nsaa, alignment);
-+ state->nsaa = ALIGN (state->nsaa, 8);
-+
-+ allocation = stack + state->nsaa;
-+
-+ state->nsaa += size;
-+ return allocation;
-+}
-+
-+static void
-+copy_basic_type (void *dest, void *source, unsigned short type)
-+{
-+ /* This is neccessary to ensure that basic types are copied
-+ sign extended to 64-bits as libffi expects. */
-+ switch (type)
-+ {
-+ case FFI_TYPE_FLOAT:
-+ *(float *) dest = *(float *) source;
-+ break;
-+ case FFI_TYPE_DOUBLE:
-+ *(double *) dest = *(double *) source;
-+ break;
-+ case FFI_TYPE_LONGDOUBLE:
-+ *(long double *) dest = *(long double *) source;
-+ break;
-+ case FFI_TYPE_UINT8:
-+ *(ffi_arg *) dest = *(UINT8 *) source;
-+ break;
-+ case FFI_TYPE_SINT8:
-+ *(ffi_sarg *) dest = *(SINT8 *) source;
-+ break;
-+ case FFI_TYPE_UINT16:
-+ *(ffi_arg *) dest = *(UINT16 *) source;
-+ break;
-+ case FFI_TYPE_SINT16:
-+ *(ffi_sarg *) dest = *(SINT16 *) source;
-+ break;
-+ case FFI_TYPE_UINT32:
-+ *(ffi_arg *) dest = *(UINT32 *) source;
-+ break;
-+ case FFI_TYPE_INT:
-+ case FFI_TYPE_SINT32:
-+ *(ffi_sarg *) dest = *(SINT32 *) source;
-+ break;
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ *(ffi_arg *) dest = *(UINT64 *) source;
-+ break;
-+ case FFI_TYPE_SINT64:
-+ *(ffi_sarg *) dest = *(SINT64 *) source;
-+ break;
-+
-+ default:
-+ FFI_ASSERT (0);
-+ }
-+}
-+
-+static void
-+copy_hfa_to_reg_or_stack (void *memory,
-+ ffi_type *ty,
-+ struct call_context *context,
-+ unsigned char *stack,
-+ struct arg_state *state)
-+{
-+ unsigned elems = element_count (ty);
-+ if (available_v (state) < elems)
-+ {
-+ /* There are insufficient V registers. Further V register allocations
-+ are prevented, the NSAA is adjusted (by allocate_to_stack ())
-+ and the argument is copied to memory at the adjusted NSAA. */
-+ state->nsrn = N_V_ARG_REG;
-+ memcpy (allocate_to_stack (state, stack, ty->alignment, ty->size),
-+ memory,
-+ ty->size);
-+ }
-+ else
-+ {
-+ int i;
-+ unsigned short type = get_homogeneous_type (ty);
-+ unsigned elems = element_count (ty);
-+ for (i = 0; i < elems; i++)
-+ {
-+ void *reg = allocate_to_v (context, state);
-+ copy_basic_type (reg, memory, type);
-+ memory += get_basic_type_size (type);
-+ }
-+ }
-+}
-+
-+/* Either allocate an appropriate register for the argument type, or if
-+ none are available, allocate a stack slot and return a pointer
-+ to the allocated space. */
-+
-+static void *
-+allocate_to_register_or_stack (struct call_context *context,
-+ unsigned char *stack,
-+ struct arg_state *state,
-+ unsigned short type)
-+{
-+ size_t alignment = get_basic_type_alignment (type);
-+ size_t size = alignment;
-+ switch (type)
-+ {
-+ case FFI_TYPE_FLOAT:
-+ /* This is the only case for which the allocated stack size
-+ should not match the alignment of the type. */
-+ size = sizeof (UINT32);
-+ /* Fall through. */
-+ case FFI_TYPE_DOUBLE:
-+ if (state->nsrn < N_V_ARG_REG)
-+ return allocate_to_d (context, state);
-+ state->nsrn = N_V_ARG_REG;
-+ break;
-+ case FFI_TYPE_LONGDOUBLE:
-+ if (state->nsrn < N_V_ARG_REG)
-+ return allocate_to_v (context, state);
-+ state->nsrn = N_V_ARG_REG;
-+ break;
-+ 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_INT:
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_SINT64:
-+ if (state->ngrn < N_X_ARG_REG)
-+ return allocate_to_x (context, state);
-+ state->ngrn = N_X_ARG_REG;
-+ break;
-+ default:
-+ FFI_ASSERT (0);
-+ }
-+
-+ return allocate_to_stack (state, stack, alignment, size);
-+}
-+
-+/* Copy a value to an appropriate register, or if none are
-+ available, to the stack. */
-+
-+static void
-+copy_to_register_or_stack (struct call_context *context,
-+ unsigned char *stack,
-+ struct arg_state *state,
-+ void *value,
-+ unsigned short type)
-+{
-+ copy_basic_type (
-+ allocate_to_register_or_stack (context, stack, state, type),
-+ value,
-+ type);
-+}
-+
-+/* Marshall the arguments from FFI representation to procedure call
-+ context and stack. */
-+
-+static unsigned
-+aarch64_prep_args (struct call_context *context, unsigned char *stack,
-+ extended_cif *ecif)
-+{
-+ int i;
-+ struct arg_state state;
-+
-+ arg_init (&state, ALIGN(ecif->cif->bytes, 16));
-+
-+ for (i = 0; i < ecif->cif->nargs; i++)
-+ {
-+ ffi_type *ty = ecif->cif->arg_types[i];
-+ switch (ty->type)
-+ {
-+ case FFI_TYPE_VOID:
-+ FFI_ASSERT (0);
-+ break;
-+
-+ /* If the argument is a basic type the argument is allocated to an
-+ appropriate register, or if none are available, to the stack. */
-+ case FFI_TYPE_FLOAT:
-+ case FFI_TYPE_DOUBLE:
-+ case FFI_TYPE_LONGDOUBLE:
-+ case FFI_TYPE_UINT8:
-+ case FFI_TYPE_SINT8:
-+ case FFI_TYPE_UINT16:
-+ case FFI_TYPE_SINT16:
-+ case FFI_TYPE_UINT32:
-+ case FFI_TYPE_INT:
-+ case FFI_TYPE_SINT32:
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_SINT64:
-+ copy_to_register_or_stack (context, stack, &state,
-+ ecif->avalue[i], ty->type);
-+ break;
-+
-+ case FFI_TYPE_STRUCT:
-+ if (is_hfa (ty))
-+ {
-+ copy_hfa_to_reg_or_stack (ecif->avalue[i], ty, context,
-+ stack, &state);
-+ }
-+ else if (ty->size > 16)
-+ {
-+ /* If the argument is a composite type that is larger than 16
-+ bytes, then the argument has been copied to memory, and
-+ the argument is replaced by a pointer to the copy. */
-+
-+ copy_to_register_or_stack (context, stack, &state,
-+ &(ecif->avalue[i]), FFI_TYPE_POINTER);
-+ }
-+ else if (available_x (&state) >= (ty->size + 7) / 8)
-+ {
-+ /* If the argument is a composite type and the size in
-+ double-words is not more than the number of available
-+ X registers, then the argument is copied into consecutive
-+ X registers. */
-+ int j;
-+ for (j = 0; j < (ty->size + 7) / 8; j++)
-+ {
-+ memcpy (allocate_to_x (context, &state),
-+ &(((UINT64 *) ecif->avalue[i])[j]),
-+ sizeof (UINT64));
-+ }
-+ }
-+ else
-+ {
-+ /* Otherwise, there are insufficient X registers. Further X
-+ register allocations are prevented, the NSAA is adjusted
-+ (by allocate_to_stack ()) and the argument is copied to
-+ memory at the adjusted NSAA. */
-+ state.ngrn = N_X_ARG_REG;
-+
-+ memcpy (allocate_to_stack (&state, stack, ty->alignment,
-+ ty->size), ecif->avalue + i, ty->size);
-+ }
-+ break;
-+
-+ default:
-+ FFI_ASSERT (0);
-+ break;
-+ }
-+ }
-+
-+ return ecif->cif->aarch64_flags;
-+}
-+
-+ffi_status
-+ffi_prep_cif_machdep (ffi_cif *cif)
-+{
-+ /* Round the stack up to a multiple of the stack alignment requirement. */
-+ cif->bytes =
-+ (cif->bytes + (AARCH64_STACK_ALIGN - 1)) & ~ (AARCH64_STACK_ALIGN - 1);
-+
-+ /* Initialize our flags. We are interested if this CIF will touch a
-+ vector register, if so we will enable context save and load to
-+ those registers, otherwise not. This is intended to be friendly
-+ to lazy float context switching in the kernel. */
-+ cif->aarch64_flags = 0;
-+
-+ if (is_v_register_candidate (cif->rtype))
-+ {
-+ cif->aarch64_flags |= AARCH64_FFI_WITH_V;
-+ }
-+ else
-+ {
-+ int i;
-+ for (i = 0; i < cif->nargs; i++)
-+ if (is_v_register_candidate (cif->arg_types[i]))
-+ {
-+ cif->aarch64_flags |= AARCH64_FFI_WITH_V;
-+ break;
-+ }
-+ }
-+
-+ return FFI_OK;
-+}
-+
-+/* Call a function with the provided arguments and capture the return
-+ value. */
-+void
-+ffi_call (ffi_cif *cif, void (*fn)(void), void *rvalue, void **avalue)
-+{
-+ extended_cif ecif;
-+
-+ ecif.cif = cif;
-+ ecif.avalue = avalue;
-+ ecif.rvalue = rvalue;
-+
-+ switch (cif->abi)
-+ {
-+ case FFI_SYSV:
-+ {
-+ struct call_context context;
-+ unsigned stack_bytes;
-+
-+ /* Figure out the total amount of stack space we need, the
-+ above call frame space needs to be 16 bytes aligned to
-+ ensure correct alignment of the first object inserted in
-+ that space hence the ALIGN applied to cif->bytes.*/
-+ stack_bytes = ALIGN(cif->bytes, 16);
-+
-+ memset (&context, 0, sizeof (context));
-+ if (is_register_candidate (cif->rtype))
-+ {
-+ ffi_call_SYSV (aarch64_prep_args, &context, &ecif, stack_bytes, fn);
-+ switch (cif->rtype->type)
-+ {
-+ case FFI_TYPE_VOID:
-+ case FFI_TYPE_FLOAT:
-+ case FFI_TYPE_DOUBLE:
-+ case FFI_TYPE_LONGDOUBLE:
-+ 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_POINTER:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_INT:
-+ case FFI_TYPE_SINT64:
-+ {
-+ void *addr = get_basic_type_addr (cif->rtype->type,
-+ &context, 0);
-+ copy_basic_type (rvalue, addr, cif->rtype->type);
-+ break;
-+ }
-+
-+ case FFI_TYPE_STRUCT:
-+ if (is_hfa (cif->rtype))
-+ {
-+ int j;
-+ unsigned short type = get_homogeneous_type (cif->rtype);
-+ unsigned elems = element_count (cif->rtype);
-+ for (j = 0; j < elems; j++)
-+ {
-+ void *reg = get_basic_type_addr (type, &context, j);
-+ copy_basic_type (rvalue, reg, type);
-+ rvalue += get_basic_type_size (type);
-+ }
-+ }
-+ else if ((cif->rtype->size + 7) / 8 < N_X_ARG_REG)
-+ {
-+ unsigned size = ALIGN (cif->rtype->size, sizeof (UINT64));
-+ memcpy (rvalue, get_x_addr (&context, 0), size);
-+ }
-+ else
-+ {
-+ FFI_ASSERT (0);
-+ }
-+ break;
-+
-+ default:
-+ FFI_ASSERT (0);
-+ break;
-+ }
-+ }
-+ else
-+ {
-+ memcpy (get_x_addr (&context, 8), &rvalue, sizeof (UINT64));
-+ ffi_call_SYSV (aarch64_prep_args, &context, &ecif,
-+ stack_bytes, fn);
-+ }
-+ break;
-+ }
-+
-+ default:
-+ FFI_ASSERT (0);
-+ break;
-+ }
-+}
-+
-+static unsigned char trampoline [] =
-+{ 0x70, 0x00, 0x00, 0x58, /* ldr x16, 1f */
-+ 0x91, 0x00, 0x00, 0x10, /* adr x17, 2f */
-+ 0x00, 0x02, 0x1f, 0xd6 /* br x16 */
-+};
-+
-+/* Build a trampoline. */
-+
-+#define FFI_INIT_TRAMPOLINE(TRAMP,FUN,CTX,FLAGS) \
-+ ({unsigned char *__tramp = (unsigned char*)(TRAMP); \
-+ UINT64 __fun = (UINT64)(FUN); \
-+ UINT64 __ctx = (UINT64)(CTX); \
-+ UINT64 __flags = (UINT64)(FLAGS); \
-+ memcpy (__tramp, trampoline, sizeof (trampoline)); \
-+ memcpy (__tramp + 12, &__fun, sizeof (__fun)); \
-+ memcpy (__tramp + 20, &__ctx, sizeof (__ctx)); \
-+ memcpy (__tramp + 28, &__flags, sizeof (__flags)); \
-+ __clear_cache(__tramp, __tramp + FFI_TRAMPOLINE_SIZE); \
-+ })
-+
-+ffi_status
-+ffi_prep_closure_loc (ffi_closure* closure,
-+ ffi_cif* cif,
-+ void (*fun)(ffi_cif*,void*,void**,void*),
-+ void *user_data,
-+ void *codeloc)
-+{
-+ if (cif->abi != FFI_SYSV)
-+ return FFI_BAD_ABI;
-+
-+ FFI_INIT_TRAMPOLINE (&closure->tramp[0], &ffi_closure_SYSV, codeloc,
-+ cif->aarch64_flags);
-+
-+ closure->cif = cif;
-+ closure->user_data = user_data;
-+ closure->fun = fun;
-+
-+ return FFI_OK;
-+}
-+
-+/* Primary handler to setup and invoke a function within a closure.
-+
-+ A closure when invoked enters via the assembler wrapper
-+ ffi_closure_SYSV(). The wrapper allocates a call context on the
-+ stack, saves the interesting registers (from the perspective of
-+ the calling convention) into the context then passes control to
-+ ffi_closure_SYSV_inner() passing the saved context and a pointer to
-+ the stack at the point ffi_closure_SYSV() was invoked.
-+
-+ On the return path the assembler wrapper will reload call context
-+ regsiters.
-+
-+ ffi_closure_SYSV_inner() marshalls the call context into ffi value
-+ desriptors, invokes the wrapped function, then marshalls the return
-+ value back into the call context. */
-+
-+void
-+ffi_closure_SYSV_inner (ffi_closure *closure, struct call_context *context,
-+ void *stack)
-+{
-+ ffi_cif *cif = closure->cif;
-+ void **avalue = (void**) alloca (cif->nargs * sizeof (void*));
-+ void *rvalue = NULL;
-+ int i;
-+ struct arg_state state;
-+
-+ arg_init (&state, ALIGN(cif->bytes, 16));
-+
-+ for (i = 0; i < cif->nargs; i++)
-+ {
-+ ffi_type *ty = cif->arg_types[i];
-+
-+ switch (ty->type)
-+ {
-+ case FFI_TYPE_VOID:
-+ FFI_ASSERT (0);
-+ break;
-+
-+ 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_INT:
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_SINT64:
-+ case FFI_TYPE_FLOAT:
-+ case FFI_TYPE_DOUBLE:
-+ case FFI_TYPE_LONGDOUBLE:
-+ avalue[i] = allocate_to_register_or_stack (context, stack,
-+ &state, ty->type);
-+ break;
-+
-+ case FFI_TYPE_STRUCT:
-+ if (is_hfa (ty))
-+ {
-+ unsigned n = element_count (ty);
-+ if (available_v (&state) < n)
-+ {
-+ state.nsrn = N_V_ARG_REG;
-+ avalue[i] = allocate_to_stack (&state, stack, ty->alignment,
-+ ty->size);
-+ }
-+ else
-+ {
-+ switch (get_homogeneous_type (ty))
-+ {
-+ case FFI_TYPE_FLOAT:
-+ {
-+ /* Eeek! We need a pointer to the structure,
-+ however the homogeneous float elements are
-+ being passed in individual S registers,
-+ therefore the structure is not represented as
-+ a contiguous sequence of bytes in our saved
-+ register context. We need to fake up a copy
-+ of the structure layed out in memory
-+ correctly. The fake can be tossed once the
-+ closure function has returned hence alloca()
-+ is sufficient. */
-+ int j;
-+ UINT32 *p = avalue[i] = alloca (ty->size);
-+ for (j = 0; j < element_count (ty); j++)
-+ memcpy (&p[j],
-+ allocate_to_s (context, &state),
-+ sizeof (*p));
-+ break;
-+ }
-+
-+ case FFI_TYPE_DOUBLE:
-+ {
-+ /* Eeek! We need a pointer to the structure,
-+ however the homogeneous float elements are
-+ being passed in individual S registers,
-+ therefore the structure is not represented as
-+ a contiguous sequence of bytes in our saved
-+ register context. We need to fake up a copy
-+ of the structure layed out in memory
-+ correctly. The fake can be tossed once the
-+ closure function has returned hence alloca()
-+ is sufficient. */
-+ int j;
-+ UINT64 *p = avalue[i] = alloca (ty->size);
-+ for (j = 0; j < element_count (ty); j++)
-+ memcpy (&p[j],
-+ allocate_to_d (context, &state),
-+ sizeof (*p));
-+ break;
-+ }
-+
-+ case FFI_TYPE_LONGDOUBLE:
-+ memcpy (&avalue[i],
-+ allocate_to_v (context, &state),
-+ sizeof (*avalue));
-+ break;
-+
-+ default:
-+ FFI_ASSERT (0);
-+ break;
-+ }
-+ }
-+ }
-+ else if (ty->size > 16)
-+ {
-+ /* Replace Composite type of size greater than 16 with a
-+ pointer. */
-+ memcpy (&avalue[i],
-+ allocate_to_register_or_stack (context, stack,
-+ &state, FFI_TYPE_POINTER),
-+ sizeof (avalue[i]));
-+ }
-+ else if (available_x (&state) >= (ty->size + 7) / 8)
-+ {
-+ avalue[i] = get_x_addr (context, state.ngrn);
-+ state.ngrn += (ty->size + 7) / 8;
-+ }
-+ else
-+ {
-+ state.ngrn = N_X_ARG_REG;
-+
-+ avalue[i] = allocate_to_stack (&state, stack, ty->alignment,
-+ ty->size);
-+ }
-+ break;
-+
-+ default:
-+ FFI_ASSERT (0);
-+ break;
-+ }
-+ }
-+
-+ /* Figure out where the return value will be passed, either in
-+ registers or in a memory block allocated by the caller and passed
-+ in x8. */
-+
-+ if (is_register_candidate (cif->rtype))
-+ {
-+ /* Register candidates are *always* returned in registers. */
-+
-+ /* Allocate a scratchpad for the return value, we will let the
-+ callee scrible the result into the scratch pad then move the
-+ contents into the appropriate return value location for the
-+ call convention. */
-+ rvalue = alloca (cif->rtype->size);
-+ (closure->fun) (cif, rvalue, avalue, closure->user_data);
-+
-+ /* Copy the return value into the call context so that it is returned
-+ as expected to our caller. */
-+ switch (cif->rtype->type)
-+ {
-+ case FFI_TYPE_VOID:
-+ break;
-+
-+ case FFI_TYPE_UINT8:
-+ case FFI_TYPE_UINT16:
-+ case FFI_TYPE_UINT32:
-+ case FFI_TYPE_POINTER:
-+ case FFI_TYPE_UINT64:
-+ case FFI_TYPE_SINT8:
-+ case FFI_TYPE_SINT16:
-+ case FFI_TYPE_INT:
-+ case FFI_TYPE_SINT32:
-+ case FFI_TYPE_SINT64:
-+ case FFI_TYPE_FLOAT:
-+ case FFI_TYPE_DOUBLE:
-+ case FFI_TYPE_LONGDOUBLE:
-+ {
-+ void *addr = get_basic_type_addr (cif->rtype->type, context, 0);
-+ copy_basic_type (addr, rvalue, cif->rtype->type);
-+ break;
-+ }
-+ case FFI_TYPE_STRUCT:
-+ if (is_hfa (cif->rtype))
-+ {
-+ int i;
-+ unsigned short type = get_homogeneous_type (cif->rtype);
-+ unsigned elems = element_count (cif->rtype);
-+ for (i = 0; i < elems; i++)
-+ {
-+ void *reg = get_basic_type_addr (type, context, i);
-+ copy_basic_type (reg, rvalue, type);
-+ rvalue += get_basic_type_size (type);
-+ }
-+ }
-+ else if ((cif->rtype->size + 7) / 8 < N_X_ARG_REG)
-+ {
-+ unsigned size = ALIGN (cif->rtype->size, sizeof (UINT64)) ;
-+ memcpy (get_x_addr (context, 0), rvalue, size);
-+ }
-+ else
-+ {
-+ FFI_ASSERT (0);
-+ }
-+ break;
-+ default:
-+ FFI_ASSERT (0);
-+ break;
-+ }
-+ }
-+ else
-+ {
-+ memcpy (&rvalue, get_x_addr (context, 8), sizeof (UINT64));
-+ (closure->fun) (cif, rvalue, avalue, closure->user_data);
-+ }
-+}
-+
-diff --git a/src/aarch64/ffitarget.h b/src/aarch64/ffitarget.h
-new file mode 100644
-index 0000000..6f1a348
---- /dev/null
-+++ b/src/aarch64/ffitarget.h
-@@ -0,0 +1,59 @@
-+/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
-+
-+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. */
-+
-+#ifndef LIBFFI_TARGET_H
-+#define LIBFFI_TARGET_H
-+
-+#ifndef LIBFFI_H
-+#error "Please do not include ffitarget.h directly into your source. Use ffi.h instead."
-+#endif
-+
-+#ifndef LIBFFI_ASM
-+typedef unsigned long ffi_arg;
-+typedef signed long ffi_sarg;
-+
-+typedef enum ffi_abi
-+ {
-+ FFI_FIRST_ABI = 0,
-+ FFI_SYSV,
-+ FFI_LAST_ABI,
-+ FFI_DEFAULT_ABI = FFI_SYSV
-+ } ffi_abi;
-+#endif
-+
-+/* ---- Definitions for closures ----------------------------------------- */
-+
-+#define FFI_CLOSURES 1
-+#define FFI_TRAMPOLINE_SIZE 36
-+#define FFI_NATIVE_RAW_API 0
-+
-+/* ---- Internal ---- */
-+
-+
-+#define FFI_EXTRA_CIF_FIELDS unsigned aarch64_flags
-+
-+#define AARCH64_FFI_WITH_V_BIT 0
-+
-+#define AARCH64_N_XREG 32
-+#define AARCH64_N_VREG 32
-+#define AARCH64_CALL_CONTEXT_SIZE (AARCH64_N_XREG * 8 + AARCH64_N_VREG * 16)
-+
-+#endif
-diff --git a/src/aarch64/sysv.S b/src/aarch64/sysv.S
-new file mode 100644
-index 0000000..b8cd421
---- /dev/null
-+++ b/src/aarch64/sysv.S
-@@ -0,0 +1,307 @@
-+/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd.
-+
-+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. */
-+
-+#define LIBFFI_ASM
-+#include <fficonfig.h>
-+#include <ffi.h>
-+
-+#define cfi_adjust_cfa_offset(off) .cfi_adjust_cfa_offset off
-+#define cfi_rel_offset(reg, off) .cfi_rel_offset reg, off
-+#define cfi_restore(reg) .cfi_restore reg
-+#define cfi_def_cfa_register(reg) .cfi_def_cfa_register reg
-+
-+ .text
-+ .globl ffi_call_SYSV
-+ .type ffi_call_SYSV, #function
-+
-+/* ffi_call_SYSV()
-+
-+ Create a stack frame, setup an argument context, call the callee
-+ and extract the result.
-+
-+ The maximum required argument stack size is provided,
-+ ffi_call_SYSV() allocates that stack space then calls the
-+ prepare_fn to populate register context and stack. The
-+ argument passing registers are loaded from the register
-+ context and the callee called, on return the register passing
-+ register are saved back to the context. Our caller will
-+ extract the return value from the final state of the saved
-+ register context.
-+
-+ Prototype:
-+
-+ extern unsigned
-+ ffi_call_SYSV (void (*)(struct call_context *context, unsigned char *,
-+ extended_cif *),
-+ struct call_context *context,
-+ extended_cif *,
-+ unsigned required_stack_size,
-+ void (*fn)(void));
-+
-+ Therefore on entry we have:
-+
-+ x0 prepare_fn
-+ x1 &context
-+ x2 &ecif
-+ x3 bytes
-+ x4 fn
-+
-+ This function uses the following stack frame layout:
-+
-+ ==
-+ saved x30(lr)
-+ x29(fp)-> saved x29(fp)
-+ saved x24
-+ saved x23
-+ saved x22
-+ sp' -> saved x21
-+ ...
-+ sp -> (constructed callee stack arguments)
-+ ==
-+
-+ Voila! */
-+
-+#define ffi_call_SYSV_FS (8 * 4)
-+
-+ .cfi_startproc
-+ffi_call_SYSV:
-+ stp x29, x30, [sp, #-16]!
-+ cfi_adjust_cfa_offset (16)
-+ cfi_rel_offset (x29, 0)
-+ cfi_rel_offset (x30, 8)
-+
-+ mov x29, sp
-+ cfi_def_cfa_register (x29)
-+ sub sp, sp, #ffi_call_SYSV_FS
-+
-+ stp x21, x22, [sp, 0]
-+ cfi_rel_offset (x21, 0 - ffi_call_SYSV_FS)
-+ cfi_rel_offset (x22, 8 - ffi_call_SYSV_FS)
-+
-+ stp x23, x24, [sp, 16]
-+ cfi_rel_offset (x23, 16 - ffi_call_SYSV_FS)
-+ cfi_rel_offset (x24, 24 - ffi_call_SYSV_FS)
-+
-+ mov x21, x1
-+ mov x22, x2
-+ mov x24, x4
-+
-+ /* Allocate the stack space for the actual arguments, many
-+ arguments will be passed in registers, but we assume
-+ worst case and allocate sufficient stack for ALL of
-+ the arguments. */
-+ sub sp, sp, x3
-+
-+ /* unsigned (*prepare_fn) (struct call_context *context,
-+ unsigned char *stack, extended_cif *ecif);
-+ */
-+ mov x23, x0
-+ mov x0, x1
-+ mov x1, sp
-+ /* x2 already in place */
-+ blr x23
-+
-+ /* Preserve the flags returned. */
-+ mov x23, x0
-+
-+ /* Figure out if we should touch the vector registers. */
-+ tbz x23, #AARCH64_FFI_WITH_V_BIT, 1f
-+
-+ /* Load the vector argument passing registers. */
-+ ldp q0, q1, [x21, #8*32 + 0]
-+ ldp q2, q3, [x21, #8*32 + 32]
-+ ldp q4, q5, [x21, #8*32 + 64]
-+ ldp q6, q7, [x21, #8*32 + 96]
-+1:
-+ /* Load the core argument passing registers. */
-+ ldp x0, x1, [x21, #0]
-+ ldp x2, x3, [x21, #16]
-+ ldp x4, x5, [x21, #32]
-+ ldp x6, x7, [x21, #48]
-+
-+ /* Don't forget x8 which may be holding the address of a return buffer.
-+ */
-+ ldr x8, [x21, #8*8]
-+
-+ blr x24
-+
-+ /* Save the core argument passing registers. */
-+ stp x0, x1, [x21, #0]
-+ stp x2, x3, [x21, #16]
-+ stp x4, x5, [x21, #32]
-+ stp x6, x7, [x21, #48]
-+
-+ /* Note nothing useful ever comes back in x8! */
-+
-+ /* Figure out if we should touch the vector registers. */
-+ tbz x23, #AARCH64_FFI_WITH_V_BIT, 1f
-+
-+ /* Save the vector argument passing registers. */
-+ stp q0, q1, [x21, #8*32 + 0]
-+ stp q2, q3, [x21, #8*32 + 32]
-+ stp q4, q5, [x21, #8*32 + 64]
-+ stp q6, q7, [x21, #8*32 + 96]
-+1:
-+ /* All done, unwind our stack frame. */
-+ ldp x21, x22, [x29, # - ffi_call_SYSV_FS]
-+ cfi_restore (x21)
-+ cfi_restore (x22)
-+
-+ ldp x23, x24, [x29, # - ffi_call_SYSV_FS + 16]
-+ cfi_restore (x23)
-+ cfi_restore (x24)
-+
-+ mov sp, x29
-+ cfi_def_cfa_register (sp)
-+
-+ ldp x29, x30, [sp], #16
-+ cfi_adjust_cfa_offset (-16)
-+ cfi_restore (x29)
-+ cfi_restore (x30)
-+
-+ ret
-+
-+ .cfi_endproc
-+ .size ffi_call_SYSV, .-ffi_call_SYSV
-+
-+#define ffi_closure_SYSV_FS (8 * 2 + AARCH64_CALL_CONTEXT_SIZE)
-+
-+/* ffi_closure_SYSV
-+
-+ Closure invocation glue. This is the low level code invoked directly by
-+ the closure trampoline to setup and call a closure.
-+
-+ On entry x17 points to a struct trampoline_data, x16 has been clobbered
-+ all other registers are preserved.
-+
-+ We allocate a call context and save the argument passing registers,
-+ then invoked the generic C ffi_closure_SYSV_inner() function to do all
-+ the real work, on return we load the result passing registers back from
-+ the call context.
-+
-+ On entry
-+
-+ extern void
-+ ffi_closure_SYSV (struct trampoline_data *);
-+
-+ struct trampoline_data
-+ {
-+ UINT64 *ffi_closure;
-+ UINT64 flags;
-+ };
-+
-+ This function uses the following stack frame layout:
-+
-+ ==
-+ saved x30(lr)
-+ x29(fp)-> saved x29(fp)
-+ saved x22
-+ saved x21
-+ ...
-+ sp -> call_context
-+ ==
-+
-+ Voila! */
-+
-+ .text
-+ .globl ffi_closure_SYSV
-+ .cfi_startproc
-+ffi_closure_SYSV:
-+ stp x29, x30, [sp, #-16]!
-+ cfi_adjust_cfa_offset (16)
-+ cfi_rel_offset (x29, 0)
-+ cfi_rel_offset (x30, 8)
-+
-+ mov x29, sp
-+
-+ sub sp, sp, #ffi_closure_SYSV_FS
-+ cfi_adjust_cfa_offset (ffi_closure_SYSV_FS)
-+
-+ stp x21, x22, [x29, #-16]
-+ cfi_rel_offset (x21, 0)
-+ cfi_rel_offset (x22, 8)
-+
-+ /* Load x21 with &call_context. */
-+ mov x21, sp
-+ /* Preserve our struct trampoline_data * */
-+ mov x22, x17
-+
-+ /* Save the rest of the argument passing registers. */
-+ stp x0, x1, [x21, #0]
-+ stp x2, x3, [x21, #16]
-+ stp x4, x5, [x21, #32]
-+ stp x6, x7, [x21, #48]
-+ /* Don't forget we may have been given a result scratch pad address.
-+ */
-+ str x8, [x21, #64]
-+
-+ /* Figure out if we should touch the vector registers. */
-+ ldr x0, [x22, #8]
-+ tbz x0, #AARCH64_FFI_WITH_V_BIT, 1f
-+
-+ /* Save the argument passing vector registers. */
-+ stp q0, q1, [x21, #8*32 + 0]
-+ stp q2, q3, [x21, #8*32 + 32]
-+ stp q4, q5, [x21, #8*32 + 64]
-+ stp q6, q7, [x21, #8*32 + 96]
-+1:
-+ /* Load &ffi_closure.. */
-+ ldr x0, [x22, #0]
-+ mov x1, x21
-+ /* Compute the location of the stack at the point that the
-+ trampoline was called. */
-+ add x2, x29, #16
-+
-+ bl ffi_closure_SYSV_inner
-+
-+ /* Figure out if we should touch the vector registers. */
-+ ldr x0, [x22, #8]
-+ tbz x0, #AARCH64_FFI_WITH_V_BIT, 1f
-+
-+ /* Load the result passing vector registers. */
-+ ldp q0, q1, [x21, #8*32 + 0]
-+ ldp q2, q3, [x21, #8*32 + 32]
-+ ldp q4, q5, [x21, #8*32 + 64]
-+ ldp q6, q7, [x21, #8*32 + 96]
-+1:
-+ /* Load the result passing core registers. */
-+ ldp x0, x1, [x21, #0]
-+ ldp x2, x3, [x21, #16]
-+ ldp x4, x5, [x21, #32]
-+ ldp x6, x7, [x21, #48]
-+ /* Note nothing usefull is returned in x8. */
-+
-+ /* We are done, unwind our frame. */
-+ ldp x21, x22, [x29, #-16]
-+ cfi_restore (x21)
-+ cfi_restore (x22)
-+
-+ mov sp, x29
-+ cfi_adjust_cfa_offset (-ffi_closure_SYSV_FS)
-+
-+ ldp x29, x30, [sp], #16
-+ cfi_adjust_cfa_offset (-16)
-+ cfi_restore (x29)
-+ cfi_restore (x30)
-+
-+ ret
-+ .cfi_endproc
-+ .size ffi_closure_SYSV, .-ffi_closure_SYSV
-diff --git a/testsuite/lib/libffi.exp b/testsuite/lib/libffi.exp
-index 4a65ed1..8ee3f15 100644
---- a/testsuite/lib/libffi.exp
-+++ b/testsuite/lib/libffi.exp
-@@ -203,6 +203,10 @@ proc libffi_target_compile { source dest type options } {
-
- lappend options "libs= -lffi"
-
-+ if { [string match "aarch64*-*-linux*" $target_triplet] } {
-+ lappend options "libs= -lpthread"
-+ }
-+
- verbose "options: $options"
- return [target_compile $source $dest $type $options]
- }
-diff --git a/testsuite/libffi.call/cls_struct_va1.c b/testsuite/libffi.call/cls_struct_va1.c
-new file mode 100644
-index 0000000..91772bd
---- /dev/null
-+++ b/testsuite/libffi.call/cls_struct_va1.c
-@@ -0,0 +1,114 @@
-+/* Area: ffi_call, closure_call
-+ Purpose: Test doubles passed in variable argument lists.
-+ Limitations: none.
-+ PR: none.
-+ Originator: Blake Chaffin 6/6/2007 */
-+
-+/* { dg-do run } */
-+/* { dg-output "" { xfail avr32*-*-* } } */
-+#include "ffitest.h"
-+
-+struct small_tag
-+{
-+ unsigned char a;
-+ unsigned char b;
-+};
-+
-+struct large_tag
-+{
-+ unsigned a;
-+ unsigned b;
-+ unsigned c;
-+ unsigned d;
-+ unsigned e;
-+};
-+
-+static void
-+test_fn (ffi_cif* cif __UNUSED__, void* resp,
-+ void** args, void* userdata __UNUSED__)
-+{
-+ int n = *(int*)args[0];
-+ struct small_tag s1 = * (struct small_tag *) args[1];
-+ struct large_tag l1 = * (struct large_tag *) args[2];
-+ struct small_tag s2 = * (struct small_tag *) args[3];
-+
-+ printf ("%d %d %d %d %d %d %d %d %d %d\n", n, s1.a, s1.b,
-+ l1.a, l1.b, l1.c, l1.d, l1.e,
-+ s2.a, s2.b);
-+ * (int*) resp = 42;
-+}
-+
-+int
-+main (void)
-+{
-+ ffi_cif cif;
-+ void *code;
-+ ffi_closure *pcl = ffi_closure_alloc (sizeof (ffi_closure), &code);
-+ ffi_type* arg_types[5];
-+
-+ ffi_arg res = 0;
-+
-+ ffi_type s_type;
-+ ffi_type *s_type_elements[3];
-+
-+ ffi_type l_type;
-+ ffi_type *l_type_elements[6];
-+
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l1;
-+
-+ int si;
-+
-+ s_type.size = 0;
-+ s_type.alignment = 0;
-+ s_type.type = FFI_TYPE_STRUCT;
-+ s_type.elements = s_type_elements;
-+
-+ s_type_elements[0] = &ffi_type_uchar;
-+ s_type_elements[1] = &ffi_type_uchar;
-+ s_type_elements[2] = NULL;
-+
-+ l_type.size = 0;
-+ l_type.alignment = 0;
-+ l_type.type = FFI_TYPE_STRUCT;
-+ l_type.elements = l_type_elements;
-+
-+ l_type_elements[0] = &ffi_type_uint;
-+ l_type_elements[1] = &ffi_type_uint;
-+ l_type_elements[2] = &ffi_type_uint;
-+ l_type_elements[3] = &ffi_type_uint;
-+ l_type_elements[4] = &ffi_type_uint;
-+ l_type_elements[5] = NULL;
-+
-+ arg_types[0] = &ffi_type_sint;
-+ arg_types[1] = &s_type;
-+ arg_types[2] = &l_type;
-+ arg_types[3] = &s_type;
-+ arg_types[4] = NULL;
-+
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &ffi_type_sint,
-+ arg_types) == FFI_OK);
-+
-+ si = 4;
-+ s1.a = 5;
-+ s1.b = 6;
-+
-+ s2.a = 20;
-+ s2.b = 21;
-+
-+ l1.a = 10;
-+ l1.b = 11;
-+ l1.c = 12;
-+ l1.d = 13;
-+ l1.e = 14;
-+
-+ CHECK(ffi_prep_closure_loc(pcl, &cif, test_fn, NULL, code) == FFI_OK);
-+
-+ res = ((int (*)(int, ...))(code))(si, s1, l1, s2);
-+ // { dg-output "4 5 6 10 11 12 13 14 20 21" }
-+ printf("res: %d\n", (int) res);
-+ // { dg-output "\nres: 42" }
-+
-+ exit(0);
-+}
-diff --git a/testsuite/libffi.call/cls_uchar_va.c b/testsuite/libffi.call/cls_uchar_va.c
-new file mode 100644
-index 0000000..19cd4f3
---- /dev/null
-+++ b/testsuite/libffi.call/cls_uchar_va.c
-@@ -0,0 +1,44 @@
-+/* Area: closure_call
-+ Purpose: Test anonymous unsigned char argument.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+#include "ffitest.h"
-+
-+typedef unsigned char T;
-+
-+static void cls_ret_T_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
-+ void* userdata __UNUSED__)
-+ {
-+ *(T *)resp = *(T *)args[0];
-+
-+ printf("%d: %d %d\n", *(T *)resp, *(T *)args[0], *(T *)args[1]);
-+ }
-+
-+typedef T (*cls_ret_T)(T, ...);
-+
-+int main (void)
-+{
-+ ffi_cif cif;
-+ void *code;
-+ ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
-+ ffi_type * cl_arg_types[3];
-+ T res;
-+
-+ cl_arg_types[0] = &ffi_type_uchar;
-+ cl_arg_types[1] = &ffi_type_uchar;
-+ cl_arg_types[2] = NULL;
-+
-+ /* Initialize the cif */
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2,
-+ &ffi_type_uchar, cl_arg_types) == FFI_OK);
-+
-+ CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_T_fn, NULL, code) == FFI_OK);
-+ res = ((((cls_ret_T)code)(67, 4)));
-+ /* { dg-output "67: 67 4" } */
-+ printf("res: %d\n", res);
-+ /* { dg-output "\nres: 67" } */
-+ exit(0);
-+}
-diff --git a/testsuite/libffi.call/cls_uint_va.c b/testsuite/libffi.call/cls_uint_va.c
-new file mode 100644
-index 0000000..150fddd
---- /dev/null
-+++ b/testsuite/libffi.call/cls_uint_va.c
-@@ -0,0 +1,45 @@
-+/* Area: closure_call
-+ Purpose: Test anonymous unsigned int argument.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+
-+#include "ffitest.h"
-+
-+typedef unsigned int T;
-+
-+static void cls_ret_T_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
-+ void* userdata __UNUSED__)
-+ {
-+ *(T *)resp = *(T *)args[0];
-+
-+ printf("%d: %d %d\n", *(T *)resp, *(T *)args[0], *(T *)args[1]);
-+ }
-+
-+typedef T (*cls_ret_T)(T, ...);
-+
-+int main (void)
-+{
-+ ffi_cif cif;
-+ void *code;
-+ ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
-+ ffi_type * cl_arg_types[3];
-+ T res;
-+
-+ cl_arg_types[0] = &ffi_type_uint;
-+ cl_arg_types[1] = &ffi_type_uint;
-+ cl_arg_types[2] = NULL;
-+
-+ /* Initialize the cif */
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2,
-+ &ffi_type_uint, cl_arg_types) == FFI_OK);
-+
-+ CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_T_fn, NULL, code) == FFI_OK);
-+ res = ((((cls_ret_T)code)(67, 4)));
-+ /* { dg-output "67: 67 4" } */
-+ printf("res: %d\n", res);
-+ /* { dg-output "\nres: 67" } */
-+ exit(0);
-+}
-diff --git a/testsuite/libffi.call/cls_ulong_va.c b/testsuite/libffi.call/cls_ulong_va.c
-new file mode 100644
-index 0000000..0315082
---- /dev/null
-+++ b/testsuite/libffi.call/cls_ulong_va.c
-@@ -0,0 +1,45 @@
-+/* Area: closure_call
-+ Purpose: Test anonymous unsigned long argument.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+
-+#include "ffitest.h"
-+
-+typedef unsigned long T;
-+
-+static void cls_ret_T_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
-+ void* userdata __UNUSED__)
-+ {
-+ *(T *)resp = *(T *)args[0];
-+
-+ printf("%ld: %ld %ld\n", *(T *)resp, *(T *)args[0], *(T *)args[1]);
-+ }
-+
-+typedef T (*cls_ret_T)(T, ...);
-+
-+int main (void)
-+{
-+ ffi_cif cif;
-+ void *code;
-+ ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
-+ ffi_type * cl_arg_types[3];
-+ T res;
-+
-+ cl_arg_types[0] = &ffi_type_ulong;
-+ cl_arg_types[1] = &ffi_type_ulong;
-+ cl_arg_types[2] = NULL;
-+
-+ /* Initialize the cif */
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2,
-+ &ffi_type_ulong, cl_arg_types) == FFI_OK);
-+
-+ CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_T_fn, NULL, code) == FFI_OK);
-+ res = ((((cls_ret_T)code)(67, 4)));
-+ /* { dg-output "67: 67 4" } */
-+ printf("res: %ld\n", res);
-+ /* { dg-output "\nres: 67" } */
-+ exit(0);
-+}
-diff --git a/testsuite/libffi.call/cls_ushort_va.c b/testsuite/libffi.call/cls_ushort_va.c
-new file mode 100644
-index 0000000..b2b5a3b
---- /dev/null
-+++ b/testsuite/libffi.call/cls_ushort_va.c
-@@ -0,0 +1,44 @@
-+/* Area: closure_call
-+ Purpose: Test anonymous unsigned short argument.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+#include "ffitest.h"
-+
-+typedef unsigned short T;
-+
-+static void cls_ret_T_fn(ffi_cif* cif __UNUSED__, void* resp, void** args,
-+ void* userdata __UNUSED__)
-+ {
-+ *(T *)resp = *(T *)args[0];
-+
-+ printf("%d: %d %d\n", *(T *)resp, *(T *)args[0], *(T *)args[1]);
-+ }
-+
-+typedef T (*cls_ret_T)(T, ...);
-+
-+int main (void)
-+{
-+ ffi_cif cif;
-+ void *code;
-+ ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
-+ ffi_type * cl_arg_types[3];
-+ T res;
-+
-+ cl_arg_types[0] = &ffi_type_ushort;
-+ cl_arg_types[1] = &ffi_type_ushort;
-+ cl_arg_types[2] = NULL;
-+
-+ /* Initialize the cif */
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 2,
-+ &ffi_type_ushort, cl_arg_types) == FFI_OK);
-+
-+ CHECK(ffi_prep_closure_loc(pcl, &cif, cls_ret_T_fn, NULL, code) == FFI_OK);
-+ res = ((((cls_ret_T)code)(67, 4)));
-+ /* { dg-output "67: 67 4" } */
-+ printf("res: %d\n", res);
-+ /* { dg-output "\nres: 67" } */
-+ exit(0);
-+}
-diff --git a/testsuite/libffi.call/nested_struct11.c b/testsuite/libffi.call/nested_struct11.c
-new file mode 100644
-index 0000000..fce6948
---- /dev/null
-+++ b/testsuite/libffi.call/nested_struct11.c
-@@ -0,0 +1,121 @@
-+/* Area: ffi_call, closure_call
-+ Purpose: Check parameter passing with nested structs
-+ of a single type. This tests the special cases
-+ for homogenous floating-point aggregates in the
-+ AArch64 PCS.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+#include "ffitest.h"
-+
-+typedef struct A {
-+ float a_x;
-+ float a_y;
-+} A;
-+
-+typedef struct B {
-+ float b_x;
-+ float b_y;
-+} B;
-+
-+typedef struct C {
-+ A a;
-+ B b;
-+} C;
-+
-+static C C_fn (int x, int y, int z, C source, int i, int j, int k)
-+{
-+ C result;
-+ result.a.a_x = source.a.a_x;
-+ result.a.a_y = source.a.a_y;
-+ result.b.b_x = source.b.b_x;
-+ result.b.b_y = source.b.b_y;
-+
-+ printf ("%d, %d, %d, %d, %d, %d\n", x, y, z, i, j, k);
-+
-+ printf ("%.1f, %.1f, %.1f, %.1f, "
-+ "%.1f, %.1f, %.1f, %.1f\n",
-+ source.a.a_x, source.a.a_y,
-+ source.b.b_x, source.b.b_y,
-+ result.a.a_x, result.a.a_y,
-+ result.b.b_x, result.b.b_y);
-+
-+ return result;
-+}
-+
-+int main (void)
-+{
-+ ffi_cif cif;
-+
-+ ffi_type* struct_fields_source_a[3];
-+ ffi_type* struct_fields_source_b[3];
-+ ffi_type* struct_fields_source_c[3];
-+ ffi_type* arg_types[8];
-+
-+ ffi_type struct_type_a, struct_type_b, struct_type_c;
-+
-+ struct A source_fld_a = {1.0, 2.0};
-+ struct B source_fld_b = {4.0, 8.0};
-+ int k = 1;
-+
-+ struct C result;
-+ struct C source = {source_fld_a, source_fld_b};
-+
-+ struct_type_a.size = 0;
-+ struct_type_a.alignment = 0;
-+ struct_type_a.type = FFI_TYPE_STRUCT;
-+ struct_type_a.elements = struct_fields_source_a;
-+
-+ struct_type_b.size = 0;
-+ struct_type_b.alignment = 0;
-+ struct_type_b.type = FFI_TYPE_STRUCT;
-+ struct_type_b.elements = struct_fields_source_b;
-+
-+ struct_type_c.size = 0;
-+ struct_type_c.alignment = 0;
-+ struct_type_c.type = FFI_TYPE_STRUCT;
-+ struct_type_c.elements = struct_fields_source_c;
-+
-+ struct_fields_source_a[0] = &ffi_type_float;
-+ struct_fields_source_a[1] = &ffi_type_float;
-+ struct_fields_source_a[2] = NULL;
-+
-+ struct_fields_source_b[0] = &ffi_type_float;
-+ struct_fields_source_b[1] = &ffi_type_float;
-+ struct_fields_source_b[2] = NULL;
-+
-+ struct_fields_source_c[0] = &struct_type_a;
-+ struct_fields_source_c[1] = &struct_type_b;
-+ struct_fields_source_c[2] = NULL;
-+
-+ arg_types[0] = &ffi_type_sint32;
-+ arg_types[1] = &ffi_type_sint32;
-+ arg_types[2] = &ffi_type_sint32;
-+ arg_types[3] = &struct_type_c;
-+ arg_types[4] = &ffi_type_sint32;
-+ arg_types[5] = &ffi_type_sint32;
-+ arg_types[6] = &ffi_type_sint32;
-+ arg_types[7] = NULL;
-+
-+ void *args[7];
-+ args[0] = &k;
-+ args[1] = &k;
-+ args[2] = &k;
-+ args[3] = &source;
-+ args[4] = &k;
-+ args[5] = &k;
-+ args[6] = &k;
-+ CHECK (ffi_prep_cif (&cif, FFI_DEFAULT_ABI, 7, &struct_type_c,
-+ arg_types) == FFI_OK);
-+
-+ ffi_call (&cif, FFI_FN (C_fn), &result, args);
-+ /* { dg-output "1, 1, 1, 1, 1, 1\n" } */
-+ /* { dg-output "1.0, 2.0, 4.0, 8.0, 1.0, 2.0, 4.0, 8.0" } */
-+ CHECK (result.a.a_x == source.a.a_x);
-+ CHECK (result.a.a_y == source.a.a_y);
-+ CHECK (result.b.b_x == source.b.b_x);
-+ CHECK (result.b.b_y == source.b.b_y);
-+ exit (0);
-+}
-diff --git a/testsuite/libffi.call/uninitialized.c b/testsuite/libffi.call/uninitialized.c
-new file mode 100644
-index 0000000..f00d830
---- /dev/null
-+++ b/testsuite/libffi.call/uninitialized.c
-@@ -0,0 +1,61 @@
-+/* { dg-do run } */
-+#include "ffitest.h"
-+
-+typedef struct
-+{
-+ unsigned char uc;
-+ double d;
-+ unsigned int ui;
-+} test_structure_1;
-+
-+static test_structure_1 struct1(test_structure_1 ts)
-+{
-+ ts.uc++;
-+ ts.d--;
-+ ts.ui++;
-+
-+ return ts;
-+}
-+
-+int main (void)
-+{
-+ ffi_cif cif;
-+ ffi_type *args[MAX_ARGS];
-+ void *values[MAX_ARGS];
-+ ffi_type ts1_type;
-+ ffi_type *ts1_type_elements[4];
-+
-+ memset(&cif, 1, sizeof(cif));
-+ ts1_type.size = 0;
-+ ts1_type.alignment = 0;
-+ ts1_type.type = FFI_TYPE_STRUCT;
-+ ts1_type.elements = ts1_type_elements;
-+ ts1_type_elements[0] = &ffi_type_uchar;
-+ ts1_type_elements[1] = &ffi_type_double;
-+ ts1_type_elements[2] = &ffi_type_uint;
-+ ts1_type_elements[3] = NULL;
-+
-+ test_structure_1 ts1_arg;
-+ /* This is a hack to get a properly aligned result buffer */
-+ test_structure_1 *ts1_result =
-+ (test_structure_1 *) malloc (sizeof(test_structure_1));
-+
-+ args[0] = &ts1_type;
-+ values[0] = &ts1_arg;
-+
-+ /* Initialize the cif */
-+ CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 1,
-+ &ts1_type, args) == FFI_OK);
-+
-+ ts1_arg.uc = '\x01';
-+ ts1_arg.d = 3.14159;
-+ ts1_arg.ui = 555;
-+
-+ ffi_call(&cif, FFI_FN(struct1), ts1_result, values);
-+
-+ CHECK(ts1_result->ui == 556);
-+ CHECK(ts1_result->d == 3.14159 - 1);
-+
-+ free (ts1_result);
-+ exit(0);
-+}
-diff --git a/testsuite/libffi.call/va_1.c b/testsuite/libffi.call/va_1.c
-new file mode 100644
-index 0000000..5c7cce9
---- /dev/null
-+++ b/testsuite/libffi.call/va_1.c
-@@ -0,0 +1,196 @@
-+/* Area: ffi_call
-+ Purpose: Test passing struct in variable argument lists.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+/* { dg-output "" { xfail avr32*-*-* x86_64-*-*-* } } */
-+
-+#include "ffitest.h"
-+#include <stdarg.h>
-+
-+struct small_tag
-+{
-+ unsigned char a;
-+ unsigned char b;
-+};
-+
-+struct large_tag
-+{
-+ unsigned a;
-+ unsigned b;
-+ unsigned c;
-+ unsigned d;
-+ unsigned e;
-+};
-+
-+static int
-+test_fn (int n, ...)
-+{
-+ va_list ap;
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l;
-+ unsigned char uc;
-+ signed char sc;
-+ unsigned short us;
-+ signed short ss;
-+ unsigned int ui;
-+ signed int si;
-+ unsigned long ul;
-+ signed long sl;
-+ float f;
-+ double d;
-+
-+ va_start (ap, n);
-+ s1 = va_arg (ap, struct small_tag);
-+ l = va_arg (ap, struct large_tag);
-+ s2 = va_arg (ap, struct small_tag);
-+
-+ uc = va_arg (ap, unsigned);
-+ sc = va_arg (ap, signed);
-+
-+ us = va_arg (ap, unsigned);
-+ ss = va_arg (ap, signed);
-+
-+ ui = va_arg (ap, unsigned int);
-+ si = va_arg (ap, signed int);
-+
-+ ul = va_arg (ap, unsigned long);
-+ sl = va_arg (ap, signed long);
-+
-+ f = va_arg (ap, double); /* C standard promotes float->double
-+ when anonymous */
-+ d = va_arg (ap, double);
-+
-+ printf ("%u %u %u %u %u %u %u %u %u uc=%u sc=%d %u %d %u %d %lu %ld %f %f\n",
-+ s1.a, s1.b, l.a, l.b, l.c, l.d, l.e,
-+ s2.a, s2.b,
-+ uc, sc,
-+ us, ss,
-+ ui, si,
-+ ul, sl,
-+ f, d);
-+ va_end (ap);
-+ return n + 1;
-+}
-+
-+int
-+main (void)
-+{
-+ ffi_cif cif;
-+ void* args[15];
-+ ffi_type* arg_types[15];
-+
-+ ffi_type s_type;
-+ ffi_type *s_type_elements[3];
-+
-+ ffi_type l_type;
-+ ffi_type *l_type_elements[6];
-+
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l1;
-+
-+ int n;
-+ int res;
-+
-+ unsigned char uc;
-+ signed char sc;
-+ unsigned short us;
-+ signed short ss;
-+ unsigned int ui;
-+ signed int si;
-+ unsigned long ul;
-+ signed long sl;
-+ double d1;
-+ double f1;
-+
-+ s_type.size = 0;
-+ s_type.alignment = 0;
-+ s_type.type = FFI_TYPE_STRUCT;
-+ s_type.elements = s_type_elements;
-+
-+ s_type_elements[0] = &ffi_type_uchar;
-+ s_type_elements[1] = &ffi_type_uchar;
-+ s_type_elements[2] = NULL;
-+
-+ l_type.size = 0;
-+ l_type.alignment = 0;
-+ l_type.type = FFI_TYPE_STRUCT;
-+ l_type.elements = l_type_elements;
-+
-+ l_type_elements[0] = &ffi_type_uint;
-+ l_type_elements[1] = &ffi_type_uint;
-+ l_type_elements[2] = &ffi_type_uint;
-+ l_type_elements[3] = &ffi_type_uint;
-+ l_type_elements[4] = &ffi_type_uint;
-+ l_type_elements[5] = NULL;
-+
-+ arg_types[0] = &ffi_type_sint;
-+ arg_types[1] = &s_type;
-+ arg_types[2] = &l_type;
-+ arg_types[3] = &s_type;
-+ arg_types[4] = &ffi_type_uint;
-+ arg_types[5] = &ffi_type_sint;
-+ arg_types[6] = &ffi_type_uint;
-+ arg_types[7] = &ffi_type_sint;
-+ arg_types[8] = &ffi_type_uint;
-+ arg_types[9] = &ffi_type_sint;
-+ arg_types[10] = &ffi_type_ulong;
-+ arg_types[11] = &ffi_type_slong;
-+ arg_types[12] = &ffi_type_double;
-+ arg_types[13] = &ffi_type_double;
-+ arg_types[14] = NULL;
-+
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 14, &ffi_type_sint, arg_types) == FFI_OK);
-+
-+ s1.a = 5;
-+ s1.b = 6;
-+
-+ l1.a = 10;
-+ l1.b = 11;
-+ l1.c = 12;
-+ l1.d = 13;
-+ l1.e = 14;
-+
-+ s2.a = 7;
-+ s2.b = 8;
-+
-+ n = 41;
-+
-+ uc = 9;
-+ sc = 10;
-+ us = 11;
-+ ss = 12;
-+ ui = 13;
-+ si = 14;
-+ ul = 15;
-+ sl = 16;
-+ f1 = 2.12;
-+ d1 = 3.13;
-+
-+ args[0] = &n;
-+ args[1] = &s1;
-+ args[2] = &l1;
-+ args[3] = &s2;
-+ args[4] = &uc;
-+ args[5] = ≻
-+ args[6] = &us;
-+ args[7] = &ss;
-+ args[8] = &ui;
-+ args[9] = &si;
-+ args[10] = &ul;
-+ args[11] = &sl;
-+ args[12] = &f1;
-+ args[13] = &d1;
-+ args[14] = NULL;
-+
-+ ffi_call(&cif, FFI_FN(test_fn), &res, args);
-+ /* { dg-output "5 6 10 11 12 13 14 7 8 uc=9 sc=10 11 12 13 14 15 16 2.120000 3.130000" } */
-+ printf("res: %d\n", (int) res);
-+ /* { dg-output "\nres: 42" } */
-+
-+ return 0;
-+}
-diff --git a/testsuite/libffi.call/va_struct1.c b/testsuite/libffi.call/va_struct1.c
-new file mode 100644
-index 0000000..11d1f10
---- /dev/null
-+++ b/testsuite/libffi.call/va_struct1.c
-@@ -0,0 +1,121 @@
-+/* Area: ffi_call
-+ Purpose: Test passing struct in variable argument lists.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+/* { dg-output "" { xfail avr32*-*-* } } */
-+
-+#include "ffitest.h"
-+#include <stdarg.h>
-+
-+struct small_tag
-+{
-+ unsigned char a;
-+ unsigned char b;
-+};
-+
-+struct large_tag
-+{
-+ unsigned a;
-+ unsigned b;
-+ unsigned c;
-+ unsigned d;
-+ unsigned e;
-+};
-+
-+static int
-+test_fn (int n, ...)
-+{
-+ va_list ap;
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l;
-+
-+ va_start (ap, n);
-+ s1 = va_arg (ap, struct small_tag);
-+ l = va_arg (ap, struct large_tag);
-+ s2 = va_arg (ap, struct small_tag);
-+ printf ("%u %u %u %u %u %u %u %u %u\n", s1.a, s1.b, l.a, l.b, l.c, l.d, l.e,
-+ s2.a, s2.b);
-+ va_end (ap);
-+ return n + 1;
-+}
-+
-+int
-+main (void)
-+{
-+ ffi_cif cif;
-+ void* args[5];
-+ ffi_type* arg_types[5];
-+
-+ ffi_type s_type;
-+ ffi_type *s_type_elements[3];
-+
-+ ffi_type l_type;
-+ ffi_type *l_type_elements[6];
-+
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l1;
-+
-+ int n;
-+ int res;
-+
-+ s_type.size = 0;
-+ s_type.alignment = 0;
-+ s_type.type = FFI_TYPE_STRUCT;
-+ s_type.elements = s_type_elements;
-+
-+ s_type_elements[0] = &ffi_type_uchar;
-+ s_type_elements[1] = &ffi_type_uchar;
-+ s_type_elements[2] = NULL;
-+
-+ l_type.size = 0;
-+ l_type.alignment = 0;
-+ l_type.type = FFI_TYPE_STRUCT;
-+ l_type.elements = l_type_elements;
-+
-+ l_type_elements[0] = &ffi_type_uint;
-+ l_type_elements[1] = &ffi_type_uint;
-+ l_type_elements[2] = &ffi_type_uint;
-+ l_type_elements[3] = &ffi_type_uint;
-+ l_type_elements[4] = &ffi_type_uint;
-+ l_type_elements[5] = NULL;
-+
-+ arg_types[0] = &ffi_type_sint;
-+ arg_types[1] = &s_type;
-+ arg_types[2] = &l_type;
-+ arg_types[3] = &s_type;
-+ arg_types[4] = NULL;
-+
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &ffi_type_sint, arg_types) == FFI_OK);
-+
-+ s1.a = 5;
-+ s1.b = 6;
-+
-+ l1.a = 10;
-+ l1.b = 11;
-+ l1.c = 12;
-+ l1.d = 13;
-+ l1.e = 14;
-+
-+ s2.a = 7;
-+ s2.b = 8;
-+
-+ n = 41;
-+
-+ args[0] = &n;
-+ args[1] = &s1;
-+ args[2] = &l1;
-+ args[3] = &s2;
-+ args[4] = NULL;
-+
-+ ffi_call(&cif, FFI_FN(test_fn), &res, args);
-+ /* { dg-output "5 6 10 11 12 13 14 7 8" } */
-+ printf("res: %d\n", (int) res);
-+ /* { dg-output "\nres: 42" } */
-+
-+ return 0;
-+}
-diff --git a/testsuite/libffi.call/va_struct2.c b/testsuite/libffi.call/va_struct2.c
-new file mode 100644
-index 0000000..56f5b9c
---- /dev/null
-+++ b/testsuite/libffi.call/va_struct2.c
-@@ -0,0 +1,123 @@
-+/* Area: ffi_call
-+ Purpose: Test passing struct in variable argument lists.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+/* { dg-output "" { xfail avr32*-*-* } } */
-+
-+#include "ffitest.h"
-+#include <stdarg.h>
-+
-+struct small_tag
-+{
-+ unsigned char a;
-+ unsigned char b;
-+};
-+
-+struct large_tag
-+{
-+ unsigned a;
-+ unsigned b;
-+ unsigned c;
-+ unsigned d;
-+ unsigned e;
-+};
-+
-+static struct small_tag
-+test_fn (int n, ...)
-+{
-+ va_list ap;
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l;
-+
-+ va_start (ap, n);
-+ s1 = va_arg (ap, struct small_tag);
-+ l = va_arg (ap, struct large_tag);
-+ s2 = va_arg (ap, struct small_tag);
-+ printf ("%u %u %u %u %u %u %u %u %u\n", s1.a, s1.b, l.a, l.b, l.c, l.d, l.e,
-+ s2.a, s2.b);
-+ va_end (ap);
-+ s1.a += s2.a;
-+ s1.b += s2.b;
-+ return s1;
-+}
-+
-+int
-+main (void)
-+{
-+ ffi_cif cif;
-+ void* args[5];
-+ ffi_type* arg_types[5];
-+
-+ ffi_type s_type;
-+ ffi_type *s_type_elements[3];
-+
-+ ffi_type l_type;
-+ ffi_type *l_type_elements[6];
-+
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l1;
-+
-+ int n;
-+ struct small_tag res;
-+
-+ s_type.size = 0;
-+ s_type.alignment = 0;
-+ s_type.type = FFI_TYPE_STRUCT;
-+ s_type.elements = s_type_elements;
-+
-+ s_type_elements[0] = &ffi_type_uchar;
-+ s_type_elements[1] = &ffi_type_uchar;
-+ s_type_elements[2] = NULL;
-+
-+ l_type.size = 0;
-+ l_type.alignment = 0;
-+ l_type.type = FFI_TYPE_STRUCT;
-+ l_type.elements = l_type_elements;
-+
-+ l_type_elements[0] = &ffi_type_uint;
-+ l_type_elements[1] = &ffi_type_uint;
-+ l_type_elements[2] = &ffi_type_uint;
-+ l_type_elements[3] = &ffi_type_uint;
-+ l_type_elements[4] = &ffi_type_uint;
-+ l_type_elements[5] = NULL;
-+
-+ arg_types[0] = &ffi_type_sint;
-+ arg_types[1] = &s_type;
-+ arg_types[2] = &l_type;
-+ arg_types[3] = &s_type;
-+ arg_types[4] = NULL;
-+
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &s_type, arg_types) == FFI_OK);
-+
-+ s1.a = 5;
-+ s1.b = 6;
-+
-+ l1.a = 10;
-+ l1.b = 11;
-+ l1.c = 12;
-+ l1.d = 13;
-+ l1.e = 14;
-+
-+ s2.a = 7;
-+ s2.b = 8;
-+
-+ n = 41;
-+
-+ args[0] = &n;
-+ args[1] = &s1;
-+ args[2] = &l1;
-+ args[3] = &s2;
-+ args[4] = NULL;
-+
-+ ffi_call(&cif, FFI_FN(test_fn), &res, args);
-+ /* { dg-output "5 6 10 11 12 13 14 7 8" } */
-+ printf("res: %d %d\n", res.a, res.b);
-+ /* { dg-output "\nres: 12 14" } */
-+
-+ return 0;
-+}
-diff --git a/testsuite/libffi.call/va_struct3.c b/testsuite/libffi.call/va_struct3.c
-new file mode 100644
-index 0000000..9a27e7f
---- /dev/null
-+++ b/testsuite/libffi.call/va_struct3.c
-@@ -0,0 +1,125 @@
-+/* Area: ffi_call
-+ Purpose: Test passing struct in variable argument lists.
-+ Limitations: none.
-+ PR: none.
-+ Originator: ARM Ltd. */
-+
-+/* { dg-do run } */
-+/* { dg-output "" { xfail avr32*-*-* } } */
-+
-+#include "ffitest.h"
-+#include <stdarg.h>
-+
-+struct small_tag
-+{
-+ unsigned char a;
-+ unsigned char b;
-+};
-+
-+struct large_tag
-+{
-+ unsigned a;
-+ unsigned b;
-+ unsigned c;
-+ unsigned d;
-+ unsigned e;
-+};
-+
-+static struct large_tag
-+test_fn (int n, ...)
-+{
-+ va_list ap;
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l;
-+
-+ va_start (ap, n);
-+ s1 = va_arg (ap, struct small_tag);
-+ l = va_arg (ap, struct large_tag);
-+ s2 = va_arg (ap, struct small_tag);
-+ printf ("%u %u %u %u %u %u %u %u %u\n", s1.a, s1.b, l.a, l.b, l.c, l.d, l.e,
-+ s2.a, s2.b);
-+ va_end (ap);
-+ l.a += s1.a;
-+ l.b += s1.b;
-+ l.c += s2.a;
-+ l.d += s2.b;
-+ return l;
-+}
-+
-+int
-+main (void)
-+{
-+ ffi_cif cif;
-+ void* args[5];
-+ ffi_type* arg_types[5];
-+
-+ ffi_type s_type;
-+ ffi_type *s_type_elements[3];
-+
-+ ffi_type l_type;
-+ ffi_type *l_type_elements[6];
-+
-+ struct small_tag s1;
-+ struct small_tag s2;
-+ struct large_tag l1;
-+
-+ int n;
-+ struct large_tag res;
-+
-+ s_type.size = 0;
-+ s_type.alignment = 0;
-+ s_type.type = FFI_TYPE_STRUCT;
-+ s_type.elements = s_type_elements;
-+
-+ s_type_elements[0] = &ffi_type_uchar;
-+ s_type_elements[1] = &ffi_type_uchar;
-+ s_type_elements[2] = NULL;
-+
-+ l_type.size = 0;
-+ l_type.alignment = 0;
-+ l_type.type = FFI_TYPE_STRUCT;
-+ l_type.elements = l_type_elements;
-+
-+ l_type_elements[0] = &ffi_type_uint;
-+ l_type_elements[1] = &ffi_type_uint;
-+ l_type_elements[2] = &ffi_type_uint;
-+ l_type_elements[3] = &ffi_type_uint;
-+ l_type_elements[4] = &ffi_type_uint;
-+ l_type_elements[5] = NULL;
-+
-+ arg_types[0] = &ffi_type_sint;
-+ arg_types[1] = &s_type;
-+ arg_types[2] = &l_type;
-+ arg_types[3] = &s_type;
-+ arg_types[4] = NULL;
-+
-+ CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &l_type, arg_types) == FFI_OK);
-+
-+ s1.a = 5;
-+ s1.b = 6;
-+
-+ l1.a = 10;
-+ l1.b = 11;
-+ l1.c = 12;
-+ l1.d = 13;
-+ l1.e = 14;
-+
-+ s2.a = 7;
-+ s2.b = 8;
-+
-+ n = 41;
-+
-+ args[0] = &n;
-+ args[1] = &s1;
-+ args[2] = &l1;
-+ args[3] = &s2;
-+ args[4] = NULL;
-+
-+ ffi_call(&cif, FFI_FN(test_fn), &res, args);
-+ /* { dg-output "5 6 10 11 12 13 14 7 8" } */
-+ printf("res: %d %d %d %d %d\n", res.a, res.b, res.c, res.d, res.e);
-+ /* { dg-output "\nres: 15 17 19 21 14" } */
-+
-+ return 0;
-+}
---
-1.7.10.4
-