diff options
author | Kaz Kojima <kkojima@rr.iij4u.or.jp> | 2003-06-13 11:23:26 +0900 |
---|---|---|
committer | Kaz Kojima <kkojima@gcc.gnu.org> | 2003-06-13 02:23:26 +0000 |
commit | e860ed6dce2da5698956ce966ae27385b8780fdd (patch) | |
tree | a6d4e22bff230a2a4dcb77057a9505cb785a58a6 /libffi | |
parent | 55c8af0b0919d624b82248a695700f359f134332 (diff) | |
download | gcc-e860ed6dce2da5698956ce966ae27385b8780fdd.zip gcc-e860ed6dce2da5698956ce966ae27385b8780fdd.tar.gz gcc-e860ed6dce2da5698956ce966ae27385b8780fdd.tar.bz2 |
Makefile.am: Add SHmedia support.
* Makefile.am: Add SHmedia support. Fix a typo of SH support.
* Makefile.in: Regenerate.
* configure.in (sh64-*-linux*, sh5*-*-linux*): Add target.
* configure: Regenerate.
* include/ffi.h.in: Add SHmedia support.
* src/sh64/ffi.c: New file.
* src/sh64/sysv.S: New file.
From-SVN: r67869
Diffstat (limited to 'libffi')
-rw-r--r-- | libffi/ChangeLog | 10 | ||||
-rw-r--r-- | libffi/Makefile.am | 10 | ||||
-rw-r--r-- | libffi/Makefile.in | 17 | ||||
-rwxr-xr-x | libffi/configure | 11 | ||||
-rw-r--r-- | libffi/configure.in | 2 | ||||
-rw-r--r-- | libffi/include/ffi.h.in | 16 | ||||
-rw-r--r-- | libffi/src/sh64/ffi.c | 448 | ||||
-rw-r--r-- | libffi/src/sh64/sysv.S | 483 |
8 files changed, 993 insertions, 4 deletions
diff --git a/libffi/ChangeLog b/libffi/ChangeLog index 5da773a..cbdc183 100644 --- a/libffi/ChangeLog +++ b/libffi/ChangeLog @@ -1,3 +1,13 @@ +2003-06-13 Kaz Kojima <kkojima@rr.iij4u.or.jp> + + * Makefile.am: Add SHmedia support. Fix a typo of SH support. + * Makefile.in: Regenerate. + * configure.in (sh64-*-linux*, sh5*-*-linux*): Add target. + * configure: Regenerate. + * include/ffi.h.in: Add SHmedia support. + * src/sh64/ffi.c: New file. + * src/sh64/sysv.S: New file. + 2003-05-16 Jakub Jelinek <jakub@redhat.com> * configure.in (HAVE_RO_EH_FRAME): Check whether .eh_frame section diff --git a/libffi/Makefile.am b/libffi/Makefile.am index 82381b8..d015026 100644 --- a/libffi/Makefile.am +++ b/libffi/Makefile.am @@ -19,7 +19,8 @@ EXTRA_DIST = LICENSE ChangeLog.v1 src/mips/ffi.c src/mips/n32.S \ src/powerpc/darwin_closure.S src/powerpc/aix_closure.S \ src/arm/ffi.c src/arm/sysv.S \ src/s390/ffi.c src/s390/sysv.S \ - src/sh/ffi.c src/sh/sysv.S + src/sh/ffi.c src/sh/sysv.S \ + src/sh64/ffi.c src/sh64/sysv.S VPATH = @srcdir@:@srcdir@/src:@srcdir@/src/@TARGETDIR@ @@ -102,6 +103,7 @@ TARGET_SRC_ARM = src/arm/sysv.S src/arm/ffi.c TARGET_SRC_S390 = src/s390/sysv.S src/s390/ffi.c TARGET_SRC_X86_64 = src/x86/ffi64.c src/x86/unix64.S src/x86/ffi.c src/x86/sysv.S TARGET_SRC_SH = src/sh/sysv.S src/sh/ffi.c +TARGET_SRC_SH64 = src/sh64/sysv.S src/sh64/ffi.c ##libffi_la_SOURCES = src/debug.c src/prep_cif.c src/types.c $(TARGET_SRC_@TARGET@) ## Work around automake deficiency @@ -169,7 +171,11 @@ libffi_convenience_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_X86_64) endif if SH libffi_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_SH) -libfficonvenience_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_SH) +libffi_convenience_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_SH) +endif +if SH64 +libffi_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_SH64) +libffi_convenience_la_SOURCES = $(libffi_la_common_SOURCES) $(TARGET_SRC_SH64) endif AM_CFLAGS = -fexceptions diff --git a/libffi/Makefile.in b/libffi/Makefile.in index 08d8c73..4e4e461 100644 --- a/libffi/Makefile.in +++ b/libffi/Makefile.in @@ -102,7 +102,8 @@ EXTRA_DIST = LICENSE ChangeLog.v1 src/mips/ffi.c src/mips/n32.S \ src/powerpc/darwin_closure.S src/powerpc/aix_closure.S \ src/arm/ffi.c src/arm/sysv.S \ src/s390/ffi.c src/s390/sysv.S \ - src/sh/ffi.c src/sh/sysv.S + src/sh/ffi.c src/sh/sysv.S \ + src/sh64/ffi.c src/sh64/sysv.S VPATH = @srcdir@:@srcdir@/src:@srcdir@/src/@TARGETDIR@ @@ -181,6 +182,7 @@ TARGET_SRC_ARM = src/arm/sysv.S src/arm/ffi.c TARGET_SRC_S390 = src/s390/sysv.S src/s390/ffi.c TARGET_SRC_X86_64 = src/x86/ffi64.c src/x86/unix64.S src/x86/ffi.c src/x86/sysv.S TARGET_SRC_SH = src/sh/sysv.S src/sh/ffi.c +TARGET_SRC_SH64 = src/sh64/sysv.S src/sh64/ffi.c libffi_la_common_SOURCES = src/debug.c src/prep_cif.c src/types.c \ src/raw_api.c src/java_raw_api.c @@ -201,6 +203,7 @@ libffi_la_common_SOURCES = src/debug.c src/prep_cif.c src/types.c \ @S390_TRUE@libffi_la_SOURCES = @S390_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_S390) @X86_64_TRUE@libffi_la_SOURCES = @X86_64_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_X86_64) @SH_TRUE@libffi_la_SOURCES = @SH_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_SH) +@SH64_TRUE@libffi_la_SOURCES = @SH64_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_SH64) @MIPS_GCC_TRUE@libffi_convenience_la_SOURCES = @MIPS_GCC_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_MIPS_GCC) @MIPS_LINUX_TRUE@libffi_convenience_la_SOURCES = @MIPS_LINUX_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_MIPS_LINUX) @MIPS_SGI_TRUE@libffi_convenience_la_SOURCES = @MIPS_SGI_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_MIPS_SGI) @@ -216,7 +219,8 @@ libffi_la_common_SOURCES = src/debug.c src/prep_cif.c src/types.c \ @ARM_TRUE@libffi_convenience_la_SOURCES = @ARM_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_ARM) @S390_TRUE@libffi_convenience_la_SOURCES = @S390_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_S390) @X86_64_TRUE@libffi_convenience_la_SOURCES = @X86_64_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_X86_64) -@SH_TRUE@libfficonvenience_la_SOURCES = @SH_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_SH) +@SH_TRUE@libffi_convenience_la_SOURCES = @SH_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_SH) +@SH64_TRUE@libffi_convenience_la_SOURCES = @SH64_TRUE@$(libffi_la_common_SOURCES) $(TARGET_SRC_SH64) AM_CFLAGS = -fexceptions @@ -270,6 +274,12 @@ libffi_convenience_la_LIBADD = @X86_64_TRUE@src/prep_cif.lo src/types.lo src/raw_api.lo \ @X86_64_TRUE@src/java_raw_api.lo src/x86/ffi64.lo src/x86/unix64.lo \ @X86_64_TRUE@src/x86/ffi.lo src/x86/sysv.lo +@SH_TRUE@libffi_convenience_la_OBJECTS = src/debug.lo src/prep_cif.lo \ +@SH_TRUE@src/types.lo src/raw_api.lo src/java_raw_api.lo src/sh/sysv.lo \ +@SH_TRUE@src/sh/ffi.lo +@SH64_TRUE@libffi_convenience_la_OBJECTS = src/debug.lo src/prep_cif.lo \ +@SH64_TRUE@src/types.lo src/raw_api.lo src/java_raw_api.lo \ +@SH64_TRUE@src/sh64/sysv.lo src/sh64/ffi.lo @SPARC_TRUE@libffi_convenience_la_OBJECTS = src/debug.lo \ @SPARC_TRUE@src/prep_cif.lo src/types.lo src/raw_api.lo \ @SPARC_TRUE@src/java_raw_api.lo src/sparc/ffi.lo src/sparc/v8.lo \ @@ -294,6 +304,9 @@ libffi_la_LIBADD = @SH_TRUE@libffi_la_OBJECTS = src/debug.lo src/prep_cif.lo src/types.lo \ @SH_TRUE@src/raw_api.lo src/java_raw_api.lo src/sh/sysv.lo \ @SH_TRUE@src/sh/ffi.lo +@SH64_TRUE@libffi_la_OBJECTS = src/debug.lo src/prep_cif.lo src/types.lo \ +@SH64_TRUE@src/raw_api.lo src/java_raw_api.lo src/sh64/sysv.lo \ +@SH64_TRUE@src/sh64/ffi.lo @IA64_TRUE@libffi_la_OBJECTS = src/debug.lo src/prep_cif.lo \ @IA64_TRUE@src/types.lo src/raw_api.lo src/java_raw_api.lo \ @IA64_TRUE@src/ia64/ffi.lo src/ia64/unix.lo diff --git a/libffi/configure b/libffi/configure index 9c2550d..8689a37 100755 --- a/libffi/configure +++ b/libffi/configure @@ -2480,6 +2480,7 @@ s390-*-linux-*) TARGET=S390; TARGETDIR=s390;; s390x-*-linux-*) TARGET=S390; TARGETDIR=s390;; x86_64-*-linux*) TARGET=X86_64; TARGETDIR=x86;; sh-*-linux* | sh[34]*-*-linux*) TARGET=SH; TARGETDIR=sh;; +sh64-*-linux* | sh5*-*-linux*) TARGET=SH64; TARGETDIR=sh64;; esac if test $TARGETDIR = unknown; then @@ -2631,6 +2632,14 @@ else SH_FALSE= fi +if test x$TARGET = xSH64; then + SH64_TRUE= + SH64_FALSE='#' +else + SH64_TRUE='#' + SH64_FALSE= +fi + if test x$TARGET = xMIPS_LINUX; then TARGET=MIPS fi @@ -3938,6 +3947,8 @@ s%@X86_64_TRUE@%$X86_64_TRUE%g s%@X86_64_FALSE@%$X86_64_FALSE%g s%@SH_TRUE@%$SH_TRUE%g s%@SH_FALSE@%$SH_FALSE%g +s%@SH64_TRUE@%$SH64_TRUE%g +s%@SH64_FALSE@%$SH64_FALSE%g s%@CPP@%$CPP%g s%@ALLOCA@%$ALLOCA%g s%@TARGET@%$TARGET%g diff --git a/libffi/configure.in b/libffi/configure.in index 0048439..25b0973 100644 --- a/libffi/configure.in +++ b/libffi/configure.in @@ -75,6 +75,7 @@ s390-*-linux-*) TARGET=S390; TARGETDIR=s390;; s390x-*-linux-*) TARGET=S390; TARGETDIR=s390;; x86_64-*-linux*) TARGET=X86_64; TARGETDIR=x86;; sh-*-linux* | sh[[34]]*-*-linux*) TARGET=SH; TARGETDIR=sh;; +sh64-*-linux* | sh5*-*-linux*) TARGET=SH64; TARGETDIR=sh64;; esac if test $TARGETDIR = unknown; then @@ -97,6 +98,7 @@ AM_CONDITIONAL(ARM, test x$TARGET = xARM) AM_CONDITIONAL(S390, test x$TARGET = xS390) AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64) AM_CONDITIONAL(SH, test x$TARGET = xSH) +AM_CONDITIONAL(SH64, test x$TARGET = xSH64) if test x$TARGET = xMIPS_LINUX; then TARGET=MIPS diff --git a/libffi/include/ffi.h.in b/libffi/include/ffi.h.in index b37307c..fe32ea2 100644 --- a/libffi/include/ffi.h.in +++ b/libffi/include/ffi.h.in @@ -302,6 +302,12 @@ typedef enum ffi_abi { FFI_DEFAULT_ABI = FFI_SYSV, #endif + /* ---- SuperH - SHmedia --------- */ +#ifdef SH64 + FFI_SYSV, + FFI_DEFAULT_ABI = FFI_SYSV, +#endif + /* Leave this for debugging purposes */ FFI_LAST_ABI @@ -356,6 +362,10 @@ typedef struct { #endif #endif +#ifdef SH64 + long long flags2; +#endif + } ffi_cif; #if SIZEOF_ARG == 4 @@ -501,6 +511,12 @@ struct ffi_ia64_trampoline_struct { #define FFI_TRAMPOLINE_SIZE 16 #define FFI_NATIVE_RAW_API 0 +#elif defined(SH64) + +#define FFI_CLOSURES 1 +#define FFI_TRAMPOLINE_SIZE 32 +#define FFI_NATIVE_RAW_API 0 + #elif defined(__x86_64__) #define FFI_CLOSURES 1 diff --git a/libffi/src/sh64/ffi.c b/libffi/src/sh64/ffi.c new file mode 100644 index 0000000..7709603 --- /dev/null +++ b/libffi/src/sh64/ffi.c @@ -0,0 +1,448 @@ +/* ----------------------------------------------------------------------- + ffi.c - Copyright (c) 2003 Kaz Kojima + + SuperH SHmedia Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#include <ffi.h> +#include <ffi_common.h> + +#include <stdlib.h> + +#define NGREGARG 8 +#define NFREGARG 12 + +/* If the structure has essentialy an unique element, return its type. */ +static int +simple_type (ffi_type *arg) +{ + if (arg->type != FFI_TYPE_STRUCT) + return arg->type; + else if (arg->elements[1]) + return FFI_TYPE_STRUCT; + + return simple_type (arg->elements[0]); +} + +static int +return_type (ffi_type *arg) +{ + unsigned short type; + + if (arg->type != FFI_TYPE_STRUCT) + return arg->type; + + type = simple_type (arg->elements[0]); + if (! arg->elements[1]) + { + switch (type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + case FFI_TYPE_SINT32: + case FFI_TYPE_UINT32: + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + return FFI_TYPE_UINT64; + + default: + return type; + } + } + + /* gcc uses r2 if the result can be packed in on register. */ + if (arg->size <= sizeof (UINT64)) + return FFI_TYPE_UINT64; + + return FFI_TYPE_STRUCT; +} + +/* ffi_prep_args is called by the assembly routine once stack space + has been allocated for the function's arguments */ + +/*@-exportheader@*/ +void ffi_prep_args(char *stack, extended_cif *ecif) +/*@=exportheader@*/ +{ + register unsigned int i; + register unsigned int avn; + register void **p_argv; + register char *argp; + register ffi_type **p_arg; + + argp = stack; + + if (return_type (ecif->cif->rtype) == FFI_TYPE_STRUCT) + { + *(void **) argp = ecif->rvalue; + argp += sizeof (UINT64); + } + + avn = ecif->cif->nargs; + p_argv = ecif->avalue; + + for (i = 0, p_arg = ecif->cif->arg_types; i < avn; i++, p_arg++, p_argv++) + { + size_t z; + + z = (*p_arg)->size; + if (z < sizeof (UINT32)) + { + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + *(SINT64 *) argp = (SINT64) *(SINT8 *)(*p_argv); + break; + + case FFI_TYPE_UINT8: + *(UINT64 *) argp = (UINT64) *(UINT8 *)(*p_argv); + break; + + case FFI_TYPE_SINT16: + *(SINT64 *) argp = (SINT64) *(SINT16 *)(*p_argv); + break; + + case FFI_TYPE_UINT16: + *(UINT64 *) argp = (UINT64) *(UINT16 *)(*p_argv); + break; + + case FFI_TYPE_STRUCT: + *(UINT64 *) argp = (UINT64) *(UINT32 *)(*p_argv); + break; + + default: + FFI_ASSERT(0); + } + argp += sizeof (UINT64); + } + else if (z == sizeof (UINT32)) + { + *(UINT64 *) argp = (UINT64) *(UINT32 *) (*p_argv); + argp += sizeof (UINT64); + } + else if (z == sizeof (UINT64)) + { + *(UINT64 *) argp = *(UINT64 *) (*p_argv); + argp += sizeof (UINT64); + } + else + { + int n = (z + sizeof (UINT64) - 1) / sizeof (UINT64); + + memcpy (argp, *p_argv, z); + argp += n * sizeof (UINT64); + } + } + + return; +} + +/* Perform machine dependent cif processing */ +ffi_status ffi_prep_cif_machdep(ffi_cif *cif) +{ + int i, j; + int size, type; + int n, m; + int greg; + int freg; + + greg = (return_type (cif->rtype) == FFI_TYPE_STRUCT ? 1 : 0); + freg = 0; + cif->flags2 = 0; + + for (i = j = 0; i < cif->nargs; i++) + { + type = (cif->arg_types)[i]->type; + switch (type) + { + case FFI_TYPE_FLOAT: + greg++; + cif->bytes += sizeof (UINT64) - sizeof (float); + if (freg >= NFREGARG - 1) + continue; + freg++; + cif->flags2 += ((cif->arg_types)[i]->type) << (2 * j++); + break; + + case FFI_TYPE_DOUBLE: + if (greg++ >= NGREGARG && (freg + 1) >= NFREGARG) + continue; + if ((freg + 1) < NFREGARG) + { + freg = (freg + 1) & ~1; + freg += 2; + cif->flags2 += ((cif->arg_types)[i]->type) << (2 * j++); + } + else + cif->flags2 += FFI_TYPE_INT << (2 * j++); + break; + + default: + size = (cif->arg_types)[i]->size; + if (size < sizeof (UINT64)) + cif->bytes += sizeof (UINT64) - size; + n = (size + sizeof (UINT64) - 1) / sizeof (UINT64); + if (greg >= NGREGARG) + continue; + else if (greg + n - 1 >= NGREGARG) + greg = NGREGARG; + else + greg += n; + for (m = 0; m < n; m++) + cif->flags2 += FFI_TYPE_INT << (2 * j++); + break; + } + } + + /* Set the return type flag */ + switch (cif->rtype->type) + { + case FFI_TYPE_STRUCT: + cif->flags = return_type (cif->rtype); + break; + + case FFI_TYPE_VOID: + case FFI_TYPE_FLOAT: + case FFI_TYPE_DOUBLE: + case FFI_TYPE_SINT64: + case FFI_TYPE_UINT64: + cif->flags = cif->rtype->type; + break; + + default: + cif->flags = FFI_TYPE_INT; + break; + } + + return FFI_OK; +} + +/*@-declundef@*/ +/*@-exportheader@*/ +extern void ffi_call_SYSV(void (*)(char *, extended_cif *), + /*@out@*/ extended_cif *, + unsigned, unsigned, long long, + /*@out@*/ unsigned *, + void (*fn)()); +/*@=declundef@*/ +/*@=exportheader@*/ + +void ffi_call(/*@dependent@*/ ffi_cif *cif, + void (*fn)(), + /*@out@*/ void *rvalue, + /*@dependent@*/ void **avalue) +{ + extended_cif ecif; + + ecif.cif = cif; + ecif.avalue = avalue; + + /* If the return value is a struct and we don't have a return */ + /* value address then we need to make one */ + + if ((rvalue == NULL) && + (cif->rtype->type == FFI_TYPE_STRUCT)) + { + /*@-sysunrecog@*/ + ecif.rvalue = alloca(cif->rtype->size); + /*@=sysunrecog@*/ + } + else + ecif.rvalue = rvalue; + + switch (cif->abi) + { + case FFI_SYSV: + /*@-usedef@*/ + ffi_call_SYSV(ffi_prep_args, &ecif, cif->bytes, + cif->flags, cif->flags2, ecif.rvalue, fn); + /*@=usedef@*/ + break; + default: + FFI_ASSERT(0); + break; + } +} + +extern void ffi_closure_SYSV (void); +extern void __ic_invalidate (void *line); + +ffi_status +ffi_prep_closure (ffi_closure *closure, + ffi_cif *cif, + void (*fun)(ffi_cif*, void*, void**, void*), + void *user_data) +{ + unsigned int *tramp; + + FFI_ASSERT (cif->abi == FFI_GCC_SYSV); + + tramp = (unsigned int *) &closure->tramp[0]; + /* Since ffi_closure is an aligned object, the ffi trampoline is + called as an SHcompact code. Sigh. + SHcompact part: + mova @(1,pc),r0; add #1,r0; jmp @r0; nop; + SHmedia part: + movi fnaddr >> 16,r1; shori fnaddr,r1; ptabs/l r1,tr0 + movi cxt >> 16,r1; shori cxt,r1; blink tr0,r63 */ +#ifdef __LITTLE_ENDIAN__ + tramp[0] = 0x7001c701; + tramp[1] = 0x0009402b; +#else + tramp[0] = 0xc7017001; + tramp[1] = 0x402b0009; +#endif + tramp[2] = 0xcc000010 | (((UINT32) ffi_closure_SYSV) >> 16) << 10; + tramp[3] = 0xc8000010 | (((UINT32) ffi_closure_SYSV) & 0xffff) << 10; + tramp[4] = 0x6bf10600; + tramp[5] = 0xcc000010 | (((UINT32) closure) >> 16) << 10; + tramp[6] = 0xc8000010 | (((UINT32) closure) & 0xffff) << 10; + tramp[7] = 0x4401fff0; + + closure->cif = cif; + closure->fun = fun; + closure->user_data = user_data; + + /* Flush the icache. */ + asm volatile ("ocbwb %0,0; synco; icbi %0,0; synci" : : "r" (tramp)); + + return FFI_OK; +} + +/* Basically the trampoline invokes ffi_closure_SYSV, and on + * entry, r3 holds the address of the closure. + * After storing the registers that could possibly contain + * parameters to be passed into the stack frame and setting + * up space for a return value, ffi_closure_SYSV invokes the + * following helper function to do most of the work. + */ + +int +ffi_closure_helper_SYSV (ffi_closure *closure, UINT64 *rvalue, + UINT64 *pgr, UINT64 *pfr, UINT64 *pst) +{ + void **avalue; + ffi_type **p_arg; + int i, avn; + int greg, freg; + ffi_cif *cif; + + cif = closure->cif; + avalue = alloca (cif->nargs * sizeof (void *)); + + /* Copy the caller's structure return value address so that the closure + returns the data directly to the caller. */ + if (cif->rtype->type == FFI_TYPE_STRUCT) + { + rvalue = *pgr; + greg = 1; + } + else + greg = 0; + + freg = 0; + cif = closure->cif; + avn = cif->nargs; + + /* Grab the addresses of the arguments from the stack frame. */ + for (i = 0, p_arg = cif->arg_types; i < avn; i++, p_arg++) + { + size_t z; + void *p; + + z = (*p_arg)->size; + if (z < sizeof (UINT32)) + { + p = pgr + greg++; + + switch ((*p_arg)->type) + { + case FFI_TYPE_SINT8: + case FFI_TYPE_UINT8: + case FFI_TYPE_SINT16: + case FFI_TYPE_UINT16: + case FFI_TYPE_STRUCT: +#ifdef __LITTLE_ENDIAN__ + avalue[i] = p; +#else + avalue[i] = ((char *) p) + sizeof (UINT32) - z; +#endif + break; + + default: + FFI_ASSERT(0); + } + } + else if (z == sizeof (UINT32)) + { + if ((*p_arg)->type == FFI_TYPE_FLOAT) + { + if (freg < NFREGARG - 1) +#ifdef __LITTLE_ENDIAN__ + avalue[i] = (UINT32 *) pfr + (1 ^ freg++); +#else + avalue[i] = (UINT32 *) pfr + freg++; +#endif + else +#ifdef __LITTLE_ENDIAN__ + avalue[i] = pgr + greg; +#else + avalue[i] = (UINT32 *) (pgr + greg) + 1; +#endif + } + else +#ifdef __LITTLE_ENDIAN__ + avalue[i] = pgr + greg; +#else + avalue[i] = (UINT32 *) (pgr + greg) + 1; +#endif + greg++; + } + else if ((*p_arg)->type == FFI_TYPE_DOUBLE) + { + if (freg + 1 >= NFREGARG) + avalue[i] = pgr + greg; + else + { + freg = (freg + 1) & ~1; + avalue[i] = pfr + (freg >> 1); + freg += 2; + } + greg++; + } + else + { + int n = (z + sizeof (UINT64) - 1) / sizeof (UINT64); + + avalue[i] = pgr + greg; + greg += n; + } + } + + (closure->fun) (cif, rvalue, avalue, closure->user_data); + + /* Tell ffi_closure_SYSV how to perform return type promotions. */ + return cif->rtype->type; +} + diff --git a/libffi/src/sh64/sysv.S b/libffi/src/sh64/sysv.S new file mode 100644 index 0000000..e478ced --- /dev/null +++ b/libffi/src/sh64/sysv.S @@ -0,0 +1,483 @@ +/* ----------------------------------------------------------------------- + sysv.S - Copyright (c) 2003 Kaz Kojima + + SuperH SHmedia Foreign Function Interface + + Permission is hereby granted, free of charge, to any person obtaining + a copy of this software and associated documentation files (the + ``Software''), to deal in the Software without restriction, including + without limitation the rights to use, copy, modify, merge, publish, + distribute, sublicense, and/or sell copies of the Software, and to + permit persons to whom the Software is furnished to do so, subject to + the following conditions: + + The above copyright notice and this permission notice shall be included + in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS + OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + IN NO EVENT SHALL CYGNUS SOLUTIONS BE LIABLE FOR ANY CLAIM, DAMAGES OR + OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + OTHER DEALINGS IN THE SOFTWARE. + ----------------------------------------------------------------------- */ + +#define LIBFFI_ASM +#include <ffi.h> +#ifdef HAVE_MACHINE_ASM_H +#include <machine/asm.h> +#else +/* XXX these lose for some platforms, I'm sure. */ +#define CNAME(x) x +#define ENTRY(x) .globl CNAME(x); .type CNAME(x),%function; CNAME(x): +#endif + +#ifdef __LITTLE_ENDIAN__ +#define OFS_FLT 0 +#else +#define OFS_FLT 4 +#endif + + .section .text..SHmedia32,"ax" + + # r2: ffi_prep_args + # r3: &ecif + # r4: bytes + # r5: flags + # r6: flags2 + # r7: rvalue + # r8: fn + + # This assumes we are using gas. + .align 5 +ENTRY(ffi_call_SYSV) + # Save registers +.LFB1: + addi.l r15, -48, r15 +.LCFI0: + st.q r15, 40, r32 + st.q r15, 32, r31 + st.q r15, 24, r30 + st.q r15, 16, r29 + st.q r15, 8, r28 + st.l r15, 4, r18 + st.l r15, 0, r14 + add.l r15, r63, r14 +.LCFI1: +# add r4, r63, r28 + add r5, r63, r29 + add r6, r63, r30 + add r7, r63, r31 + add r8, r63, r32 + + addi r4, (64 + 7), r4 + andi r4, ~7, r4 + sub.l r15, r4, r15 + + ptabs/l r2, tr0 + add r15, r63, r2 + blink tr0, r18 + + addi r15, 64, r22 + movi 0, r0 + movi 0, r1 + + pt/l 1f, tr1 + bnei/l r29, FFI_TYPE_STRUCT, tr1 + ld.l r15, 0, r19 + addi r15, 8, r15 + addi r0, 1, r0 +1: + +.L_pass: + andi r30, 3, r20 + shlri r30, 2, r30 + + pt/l .L_call_it, tr0 + pt/l .L_pass_i, tr1 + pt/l .L_pass_f, tr2 + + beqi/l r20, FFI_TYPE_VOID, tr0 + beqi/l r20, FFI_TYPE_INT, tr1 + beqi/l r20, FFI_TYPE_FLOAT, tr2 + +.L_pass_d: + addi r0, 1, r0 + addi r1, 1, r1 + andi r1, ~1, r1 + + pt/l 3f, tr0 + movi 12, r20 + bge/l r1, r20, tr0 + + pt/l .L_pop_d, tr1 + pt/l 2f, tr0 + blink tr1, r63 +2: + addi.l r15, 8, r15 +3: + pt/l .L_pass, tr0 + addi r1, 2, r1 + blink tr0, r63 + +.L_pop_d: + pt/l .L_pop_d_tbl, tr1 + gettr tr1, r20 + shlli r1, 2, r21 + add r20, r21, r20 + ptabs/l r20, tr1 + blink tr1, r63 + +.L_pop_d_tbl: + fld.d r15, 0, dr0 + blink tr0, r63 + fld.d r15, 0, dr2 + blink tr0, r63 + fld.d r15, 0, dr4 + blink tr0, r63 + fld.d r15, 0, dr6 + blink tr0, r63 + fld.d r15, 0, dr8 + blink tr0, r63 + fld.d r15, 0, dr10 + blink tr0, r63 + +.L_pass_f: + addi r0, 1, r0 + pt/l 3f, tr0 + movi 12, r20 + bge/l r1, r20, tr0 + + pt/l .L_pop_f, tr1 + pt/l 2f, tr0 + blink tr1, r63 +2: + addi.l r15, 8, r15 +3: + pt/l .L_pass, tr0 + addi r1, 1, r1 + blink tr0, r63 + +.L_pop_f: + pt/l .L_pop_f_tbl, tr1 + gettr tr1, r20 + shlli r1, 3, r21 + add r20, r21, r20 + ptabs/l r20, tr1 + blink tr1, r63 + +.L_pop_f_tbl: + fld.s r15, OFS_FLT, fr0 + blink tr0, r63 + fld.s r15, OFS_FLT, fr1 + blink tr0, r63 + fld.s r15, OFS_FLT, fr2 + blink tr0, r63 + fld.s r15, OFS_FLT, fr3 + blink tr0, r63 + fld.s r15, OFS_FLT, fr4 + blink tr0, r63 + fld.s r15, OFS_FLT, fr5 + blink tr0, r63 + fld.s r15, OFS_FLT, fr6 + blink tr0, r63 + fld.s r15, OFS_FLT, fr7 + blink tr0, r63 + fld.s r15, OFS_FLT, fr8 + blink tr0, r63 + fld.s r15, OFS_FLT, fr9 + blink tr0, r63 + fld.s r15, OFS_FLT, fr10 + blink tr0, r63 + fld.s r15, OFS_FLT, fr11 + blink tr0, r63 + +.L_pass_i: + pt/l 3f, tr0 + movi 8, r20 + bge/l r0, r20, tr0 + + pt/l .L_pop_i, tr1 + pt/l 2f, tr0 + blink tr1, r63 +2: + addi.l r15, 8, r15 +3: + pt/l .L_pass, tr0 + addi r0, 1, r0 + blink tr0, r63 + +.L_pop_i: + pt/l .L_pop_i_tbl, tr1 + gettr tr1, r20 + shlli r0, 3, r21 + add r20, r21, r20 + ptabs/l r20, tr1 + blink tr1, r63 + +.L_pop_i_tbl: + ld.q r15, 0, r2 + blink tr0, r63 + ld.q r15, 0, r3 + blink tr0, r63 + ld.q r15, 0, r4 + blink tr0, r63 + ld.q r15, 0, r5 + blink tr0, r63 + ld.q r15, 0, r6 + blink tr0, r63 + ld.q r15, 0, r7 + blink tr0, r63 + ld.q r15, 0, r8 + blink tr0, r63 + ld.q r15, 0, r9 + blink tr0, r63 + +.L_call_it: + # call function + pt/l 1f, tr1 + bnei/l r29, FFI_TYPE_STRUCT, tr1 + add r19, r63, r2 +1: + add r22, r63, r15 + ptabs/l r32, tr0 + blink tr0, r18 + + pt/l .L_ret_i, tr0 + pt/l .L_ret_ll, tr1 + pt/l .L_ret_d, tr2 + pt/l .L_ret_f, tr3 + pt/l .L_epilogue, tr4 + + beqi/l r29, FFI_TYPE_INT, tr0 + beqi/l r29, FFI_TYPE_SINT64, tr1 + beqi/l r29, FFI_TYPE_UINT64, tr1 + beqi/l r29, FFI_TYPE_DOUBLE, tr2 + beqi/l r29, FFI_TYPE_FLOAT, tr3 + blink tr4, r63 + +.L_ret_d: + fst.d r31, 0, dr0 + blink tr4, r63 + +.L_ret_ll: + st.q r31, 0, r2 + blink tr4, r63 + +.L_ret_f: + fst.s r31, OFS_FLT, fr0 + blink tr4, r63 + +.L_ret_i: + st.l r31, 0, r2 + # Fall + +.L_epilogue: + # Remove the space we pushed for the args + add r14, r63, r15 + + ld.l r15, 0, r14 + ld.l r15, 4, r18 + ld.q r15, 8, r28 + ld.q r15, 16, r29 + ld.q r15, 24, r30 + ld.q r15, 32, r31 + ld.q r15, 40, r32 + addi.l r15, 48, r15 + ptabs r18, tr0 + blink tr0, r63 + +.LFE1: +.ffi_call_SYSV_end: + .size CNAME(ffi_call_SYSV),.ffi_call_SYSV_end-CNAME(ffi_call_SYSV) + + .align 5 +ENTRY(ffi_closure_SYSV) +.LFB2: + addi.l r15, -136, r15 +.LCFI2: + st.l r15, 12, r18 + st.l r15, 8, r14 + st.l r15, 4, r12 + add r15, r63, r14 +.LCFI3: + /* Stack layout: + ... + 64 bytes (register parameters) + 48 bytes (floating register parameters) + 8 bytes (result) + 4 bytes (r18) + 4 bytes (r14) + 4 bytes (r12) + 4 bytes (for align) + <- new stack pointer + */ + fst.d r14, 24, dr0 + fst.d r14, 32, dr2 + fst.d r14, 40, dr4 + fst.d r14, 48, dr6 + fst.d r14, 56, dr8 + fst.d r14, 64, dr10 + st.q r14, 72, r2 + st.q r14, 80, r3 + st.q r14, 88, r4 + st.q r14, 96, r5 + st.q r14, 104, r6 + st.q r14, 112, r7 + st.q r14, 120, r8 + st.q r14, 128, r9 + + add r1, r63, r2 + addi r14, 16, r3 + addi r14, 72, r4 + addi r14, 24, r5 + addi r14, 136, r6 +#ifdef PIC + movi (((datalabel _GLOBAL_OFFSET_TABLE_-(.LPCS0-.)) >> 16) & 65535), r12 + shori ((datalabel _GLOBAL_OFFSET_TABLE_-(.LPCS0-.)) & 65535), r12 +.LPCS0: ptrel/u r12, tr0 + movi ((ffi_closure_helper_SYSV@GOTPLT) & 65535), r1 + gettr tr0, r12 + ldx.l r1, r12, r1 + ptabs r1, tr0 +#else + pt/l ffi_closure_helper_SYSV, tr0 +#endif + blink tr0, r18 + + shlli r2, 1, r1 + movi (((datalabel .L_table) >> 16) & 65535), r2 + shori ((datalabel .L_table) & 65535), r2 + ldx.w r2, r1, r1 + add r1, r2, r1 + pt/l .L_case_v, tr1 + ptabs r1, tr0 + blink tr0, r63 + + .align 2 +.L_table: + .word .L_case_v - datalabel .L_table /* FFI_TYPE_VOID */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_INT */ + .word .L_case_f - datalabel .L_table /* FFI_TYPE_FLOAT */ + .word .L_case_d - datalabel .L_table /* FFI_TYPE_DOUBLE */ + .word .L_case_d - datalabel .L_table /* FFI_TYPE_LONGDOUBLE */ + .word .L_case_uq - datalabel .L_table /* FFI_TYPE_UINT8 */ + .word .L_case_q - datalabel .L_table /* FFI_TYPE_SINT8 */ + .word .L_case_uh - datalabel .L_table /* FFI_TYPE_UINT16 */ + .word .L_case_h - datalabel .L_table /* FFI_TYPE_SINT16 */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_UINT32 */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_SINT32 */ + .word .L_case_ll - datalabel .L_table /* FFI_TYPE_UINT64 */ + .word .L_case_ll - datalabel .L_table /* FFI_TYPE_SINT64 */ + .word .L_case_v - datalabel .L_table /* FFI_TYPE_STRUCT */ + .word .L_case_i - datalabel .L_table /* FFI_TYPE_POINTER */ + + .align 2 +.L_case_d: + fld.d r14, 16, dr0 + blink tr1, r63 +.L_case_f: + fld.s r14, 16, fr0 + blink tr1, r63 +.L_case_ll: + ld.q r14, 16, r2 + blink tr1, r63 +.L_case_i: + ld.l r14, 16, r2 + blink tr1, r63 +.L_case_q: + ld.b r14, 16, r2 + blink tr1, r63 +.L_case_uq: + ld.ub r14, 16, r2 + blink tr1, r63 +.L_case_h: + ld.w r14, 16, r2 + blink tr1, r63 +.L_case_uh: + ld.uw r14, 16, r2 + blink tr1, r63 +.L_case_v: + add.l r14, r63, r15 + ld.l r15, 4, r12 + ld.l r15, 8, r14 + ld.l r15, 12, r18 + addi.l r15, 136, r15 + ptabs r18, tr0 + blink tr0, r63 + +.LFE2: +.ffi_closure_SYSV_end: + .size CNAME(ffi_closure_SYSV),.ffi_closure_SYSV_end-CNAME(ffi_closure_SYSV) + + .section ".eh_frame","aw",@progbits +__FRAME_BEGIN__: + .4byte .LECIE1-.LSCIE1 /* Length of Common Information Entry */ +.LSCIE1: + .4byte 0x0 /* CIE Identifier Tag */ + .byte 0x1 /* CIE Version */ + .ascii "zR\0" /* CIE Augmentation */ + .uleb128 0x1 /* CIE Code Alignment Factor */ + .sleb128 -4 /* CIE Data Alignment Factor */ + .byte 0x12 /* CIE RA Column */ + .uleb128 0x1 /* Augmentation size */ + .byte 0x1b /* FDE Encoding (pcrel sdata4) */ + .byte 0xc /* DW_CFA_def_cfa */ + .uleb128 0xf + .uleb128 0x0 + .align 2 +.LECIE1: +.LSFDE1: + .4byte datalabel .LEFDE1-datalabel .LASFDE1 /* FDE Length */ +.LASFDE1: + .4byte datalabel .LASFDE1-datalabel __FRAME_BEGIN__ + .4byte datalabel .LFB1-. /* FDE initial location */ + .4byte datalabel .LFE1-datalabel .LFB1 /* FDE address range */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI0-datalabel .LFB1 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .uleb128 0x30 + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI1-datalabel .LCFI0 + .byte 0x8e /* DW_CFA_offset, column 0xe */ + .uleb128 0xc + .byte 0x92 /* DW_CFA_offset, column 0x12 */ + .uleb128 0xb + .byte 0x9c /* DW_CFA_offset, column 0x1c */ + .uleb128 0xa + .byte 0x9d /* DW_CFA_offset, column 0x1d */ + .uleb128 0x8 + .byte 0x9e /* DW_CFA_offset, column 0x1e */ + .uleb128 0x6 + .byte 0x9f /* DW_CFA_offset, column 0x1f */ + .uleb128 0x4 + .byte 0xa0 /* DW_CFA_offset, column 0x20 */ + .uleb128 0x2 + .byte 0xd /* DW_CFA_def_cfa_register */ + .uleb128 0xe + .align 2 +.LEFDE1: + +.LSFDE3: + .4byte datalabel .LEFDE3-datalabel .LASFDE3 /* FDE Length */ +.LASFDE3: + .4byte datalabel .LASFDE3-datalabel __FRAME_BEGIN__ + .4byte datalabel .LFB2-. /* FDE initial location */ + .4byte datalabel .LFE2-datalabel .LFB2 /* FDE address range */ + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI2-datalabel .LFB2 + .byte 0xe /* DW_CFA_def_cfa_offset */ + .uleb128 0x88 + .byte 0x4 /* DW_CFA_advance_loc4 */ + .4byte datalabel .LCFI3-datalabel .LCFI2 + .byte 0x8c /* DW_CFA_offset, column 0xc */ + .uleb128 0x21 + .byte 0x8e /* DW_CFA_offset, column 0xe */ + .uleb128 0x20 + .byte 0x92 /* DW_CFA_offset, column 0x12 */ + .uleb128 0x1f + .byte 0xd /* DW_CFA_def_cfa_register */ + .uleb128 0xe + .align 2 +.LEFDE3: |