diff options
author | Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org> | 2012-11-29 17:41:49 +0100 |
---|---|---|
committer | Richard Purdie <richard.purdie@linuxfoundation.org> | 2013-01-17 13:42:47 +0000 |
commit | 64592f76264d8c1e590647a57e9c773edbf782e5 (patch) | |
tree | 014433d710660bb252bc6312f42974cf0cfa5413 /meta/recipes-gnome | |
parent | 9f263a60e3521b800121a6f527a7b30dc9b62432 (diff) | |
download | openembedded-core-contrib-64592f76264d8c1e590647a57e9c773edbf782e5.tar.gz |
libffi: add AArch64 support
(From OE-Core rev: de7f86532ad284f4a3c3f1486e30a3ac74763f36)
Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-gnome')
3 files changed, 2740 insertions, 2 deletions
diff --git a/meta/recipes-gnome/libffi/libffi/aarch64-adding-build-support.patch b/meta/recipes-gnome/libffi/libffi/aarch64-adding-build-support.patch new file mode 100644 index 00000000000..b0c0f063ddb --- /dev/null +++ b/meta/recipes-gnome/libffi/libffi/aarch64-adding-build-support.patch @@ -0,0 +1,63 @@ +Upstream-Status: merged + +From 92f009a706c643d49e8d6e5ae6c9fb94ae5b2e9b Mon Sep 17 00:00:00 2001 +From: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org> +Date: Sat, 29 Sep 2012 01:07:56 -0300 +Subject: [PATCH] aarch64: adding build support + +Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org> +--- + Makefile.am | 6 +++++- + configure.ac | 5 +++++ + 2 files changed, 10 insertions(+), 1 deletion(-) + +diff --git a/Makefile.am b/Makefile.am +index 16f32a6..e11050d 100644 +--- a/Makefile.am ++++ b/Makefile.am +@@ -36,7 +36,8 @@ EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host \ + msvcc.sh generate-ios-source-and-headers.py \ + generate-osx-source-and-headers.py \ + libffi.xcodeproj/project.pbxproj \ +- src/arm/trampoline.S ++ src/arm/trampoline.S src/aarch64/ffi.c \ ++ src/aarch64/ffitarget.h src/aarch64/sysv.S + + info_TEXINFOS = doc/libffi.texi + +@@ -157,6 +158,9 @@ if FFI_EXEC_TRAMPOLINE_TABLE + nodist_libffi_la_SOURCES += src/arm/trampoline.S + endif + endif ++if AARCH64 ++nodist_libffi_la_SOURCES += src/aarch64/sysv.S src/aarch64/ffi.c ++endif + if AVR32 + nodist_libffi_la_SOURCES += src/avr32/sysv.S src/avr32/ffi.c + endif +diff --git a/configure.ac b/configure.ac +index 9b946a2..9205391 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -63,6 +63,10 @@ case "$host" in + TARGET=ARM; TARGETDIR=arm + ;; + ++ aarch64*-*-*) ++ TARGET=AARCH64; TARGETDIR=aarch64 ++ ;; ++ + amd64-*-freebsd* | amd64-*-openbsd*) + TARGET=X86_64; TARGETDIR=x86 + ;; +@@ -234,6 +238,7 @@ AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX) + AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN) + AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD) + AM_CONDITIONAL(ARM, test x$TARGET = xARM) ++AM_CONDITIONAL(AARCH64, test x$TARGET = xAARCH64) + AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32) + AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS) + AM_CONDITIONAL(FRV, test x$TARGET = xFRV) +-- +1.7.10.4 + diff --git a/meta/recipes-gnome/libffi/libffi/add-aarch64-support.patch b/meta/recipes-gnome/libffi/libffi/add-aarch64-support.patch new file mode 100644 index 00000000000..d08a5b49b28 --- /dev/null +++ b/meta/recipes-gnome/libffi/libffi/add-aarch64-support.patch @@ -0,0 +1,2672 @@ +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 + diff --git a/meta/recipes-gnome/libffi/libffi_3.0.11.bb b/meta/recipes-gnome/libffi/libffi_3.0.11.bb index e674fd3c25e..f2a8cc82344 100644 --- a/meta/recipes-gnome/libffi/libffi_3.0.11.bb +++ b/meta/recipes-gnome/libffi/libffi_3.0.11.bb @@ -9,10 +9,13 @@ A layer must exist above `libffi' that handles type conversions for values passe LICENSE = "MIT" LIC_FILES_CHKSUM = "file://LICENSE;md5=e54c573c49435ccbbd3f6dc9e49a065e" -PR = "r0" +PR = "r1" SRC_URI = "ftp://sourceware.org/pub/libffi/${BPN}-${PV}.tar.gz \ - file://0001-libffi-update-for-3.0.11.patch" + file://0001-libffi-update-for-3.0.11.patch \ + file://add-aarch64-support.patch \ + file://aarch64-adding-build-support.patch \ +" SRC_URI[md5sum] = "f69b9693227d976835b4857b1ba7d0e3" SRC_URI[sha256sum] = "70bfb01356360089aa97d3e71e3edf05d195599fd822e922e50d46a0055a6283" |