Index: libffi/ChangeLog =================================================================== --- libffi.orig/ChangeLog +++ libffi/ChangeLog @@ -1,3 +1,8 @@ +2012-03-19 Alan Hourihane + + * src/m68k/ffi.c: Add MINT support. + * src/m68k/sysv.S: Ditto. + 2012-03-19 chennam * src/powerpc/ffi_darwin.c (ffi_prep_closure_loc): Fix AIX closure Index: libffi/src/m68k/ffi.c =================================================================== --- libffi.orig/src/m68k/ffi.c +++ libffi/src/m68k/ffi.c @@ -1,7 +1,7 @@ /* ----------------------------------------------------------------------- ffi.c - - m68k Foreign Function Interface + + m68k Foreign Function Interface ----------------------------------------------------------------------- */ #include @@ -13,8 +13,13 @@ void rtems_cache_flush_multiple_data_lines( const void *, size_t ); #else #include +#ifdef __MINT__ +#include +#include +#else #include #endif +#endif void ffi_call_SYSV (extended_cif *, unsigned, unsigned, @@ -39,8 +44,12 @@ ffi_prep_args (void *stack, extended_cif argp = stack; - if (ecif->cif->rtype->type == FFI_TYPE_STRUCT - && !ecif->cif->flags) + if ( +#ifdef __MINT__ + (ecif->cif->rtype->type == FFI_TYPE_LONGDOUBLE) || +#endif + (((ecif->cif->rtype->type == FFI_TYPE_STRUCT) + && !ecif->cif->flags))) struct_value_ptr = ecif->rvalue; else struct_value_ptr = NULL; @@ -51,12 +60,12 @@ ffi_prep_args (void *stack, extended_cif i != 0; i--, p_arg++) { - size_t z; + size_t z = (*p_arg)->size; + int type = (*p_arg)->type; - z = (*p_arg)->size; if (z < sizeof (int)) { - switch ((*p_arg)->type) + switch (type) { case FFI_TYPE_SINT8: *(signed int *) argp = (signed int) *(SINT8 *) *p_argv; @@ -75,7 +84,14 @@ ffi_prep_args (void *stack, extended_cif break; case FFI_TYPE_STRUCT: +#ifdef __MINT__ + if (z == 1 || z == 2) + memcpy (argp + 2, *p_argv, z); + else + memcpy (argp, *p_argv, z); +#else memcpy (argp + sizeof (int) - z, *p_argv, z); +#endif break; default: @@ -120,17 +136,34 @@ ffi_prep_cif_machdep (ffi_cif *cif) break; case FFI_TYPE_STRUCT: + if (cif->rtype->elements[0]->type == FFI_TYPE_STRUCT && + cif->rtype->elements[1]) + { + cif->flags = 0; + break; + } + switch (cif->rtype->size) { case 1: +#ifdef __MINT__ + cif->flags = CIF_FLAGS_STRUCT2; +#else cif->flags = CIF_FLAGS_STRUCT1; +#endif break; case 2: cif->flags = CIF_FLAGS_STRUCT2; break; +#ifdef __MINT__ + case 3: +#endif case 4: cif->flags = CIF_FLAGS_INT; break; +#ifdef __MINT__ + case 7: +#endif case 8: cif->flags = CIF_FLAGS_DINT; break; @@ -150,7 +183,11 @@ ffi_prep_cif_machdep (ffi_cif *cif) #if (FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE) case FFI_TYPE_LONGDOUBLE: +#ifdef __MINT__ + cif->flags = 0; +#else cif->flags = CIF_FLAGS_LDOUBLE; +#endif break; #endif @@ -218,6 +255,26 @@ ffi_prep_incoming_args_SYSV (char *stack size_t z; z = (*p_arg)->size; +#ifdef __MINT__ + if (cif->flags && + cif->rtype->type == FFI_TYPE_STRUCT && + (z == 1 || z == 2)) + { + *p_argv = (void *) (argp + 2); + + z = 4; + } + else + if (cif->flags && + cif->rtype->type == FFI_TYPE_STRUCT && + (z == 3 || z == 4)) + { + *p_argv = (void *) (argp); + + z = 4; + } + else +#endif if (z <= 4) { *p_argv = (void *) (argp + 4 - z); @@ -267,14 +324,21 @@ ffi_prep_closure_loc (ffi_closure* closu *(unsigned short *)closure->tramp = 0x207c; *(void **)(closure->tramp + 2) = codeloc; *(unsigned short *)(closure->tramp + 6) = 0x4ef9; - if (cif->rtype->type == FFI_TYPE_STRUCT - && !cif->flags) + + if ( +#ifdef __MINT__ + (cif->rtype->type == FFI_TYPE_LONGDOUBLE) || +#endif + (((cif->rtype->type == FFI_TYPE_STRUCT) + && !cif->flags))) *(void **)(closure->tramp + 8) = ffi_closure_struct_SYSV; else *(void **)(closure->tramp + 8) = ffi_closure_SYSV; #ifdef __rtems__ rtems_cache_flush_multiple_data_lines( codeloc, FFI_TRAMPOLINE_SIZE ); +#elif defined(__MINT__) + Ssystem(S_FLUSHCACHE, codeloc, FFI_TRAMPOLINE_SIZE); #else syscall(SYS_cacheflush, codeloc, FLUSH_SCOPE_LINE, FLUSH_CACHE_BOTH, FFI_TRAMPOLINE_SIZE); @@ -286,4 +350,3 @@ ffi_prep_closure_loc (ffi_closure* closu return FFI_OK; } - Index: libffi/src/m68k/sysv.S =================================================================== --- libffi.orig/src/m68k/sysv.S +++ libffi/src/m68k/sysv.S @@ -1,6 +1,7 @@ /* ----------------------------------------------------------------------- - sysv.S - Copyright (c) 1998, 2012 Andreas Schwab + sysv.S - Copyright (c) 2012 Alan Hourihane + Copyright (c) 1998, 2012 Andreas Schwab Copyright (c) 2008 Red Hat, Inc. m68k Foreign Function Interface @@ -42,13 +43,19 @@ #define CFI_ENDPROC() #endif +#ifdef __MINT__ +#define CALLFUNC(funcname) _ ## funcname +#else +#define CALLFUNC(funcname) funcname +#endif + .text - .globl ffi_call_SYSV - .type ffi_call_SYSV,@function + .globl CALLFUNC(ffi_call_SYSV) + .type CALLFUNC(ffi_call_SYSV),@function .align 4 -ffi_call_SYSV: +CALLFUNC(ffi_call_SYSV): CFI_STARTPROC() link %fp,#0 CFI_OFFSET(14,-8) @@ -63,14 +70,18 @@ ffi_call_SYSV: move.l 8(%fp),-(%sp) pea 4(%sp) #if !defined __PIC__ - jsr ffi_prep_args + jsr CALLFUNC(ffi_prep_args) #else - bsr.l ffi_prep_args@PLTPC + bsr.l CALLFUNC(ffi_prep_args@PLTPC) #endif addq.l #8,%sp | Pass pointer to struct value, if any +#ifdef __MINT__ + move.l %d0,%a1 +#else move.l %a0,%a1 +#endif | Call the function move.l 24(%fp),%a0 @@ -142,7 +153,11 @@ retlongdouble: retpointer: btst #5,%d2 jbeq retstruct1 +#ifdef __MINT__ + move.l %d0,(%a1) +#else move.l %a0,(%a1) +#endif jbra epilogue retstruct1: @@ -162,13 +177,13 @@ epilogue: unlk %fp rts CFI_ENDPROC() - .size ffi_call_SYSV,.-ffi_call_SYSV + .size CALLFUNC(ffi_call_SYSV),.-CALLFUNC(ffi_call_SYSV) - .globl ffi_closure_SYSV - .type ffi_closure_SYSV, @function + .globl CALLFUNC(ffi_closure_SYSV) + .type CALLFUNC(ffi_closure_SYSV), @function .align 4 -ffi_closure_SYSV: +CALLFUNC(ffi_closure_SYSV): CFI_STARTPROC() link %fp,#-12 CFI_OFFSET(14,-8) @@ -178,9 +193,9 @@ ffi_closure_SYSV: pea -12(%fp) move.l %a0,-(%sp) #if !defined __PIC__ - jsr ffi_closure_SYSV_inner + jsr CALLFUNC(ffi_closure_SYSV_inner) #else - bsr.l ffi_closure_SYSV_inner@PLTPC + bsr.l CALLFUNC(ffi_closure_SYSV_inner@PLTPC) #endif lsr.l #1,%d0 @@ -240,13 +255,13 @@ ffi_closure_SYSV: jra .Lcls_epilogue CFI_ENDPROC() - .size ffi_closure_SYSV,.-ffi_closure_SYSV + .size CALLFUNC(ffi_closure_SYSV),.-CALLFUNC(ffi_closure_SYSV) - .globl ffi_closure_struct_SYSV - .type ffi_closure_struct_SYSV, @function + .globl CALLFUNC(ffi_closure_struct_SYSV) + .type CALLFUNC(ffi_closure_struct_SYSV), @function .align 4 -ffi_closure_struct_SYSV: +CALLFUNC(ffi_closure_struct_SYSV): CFI_STARTPROC() link %fp,#0 CFI_OFFSET(14,-8) @@ -256,14 +271,14 @@ ffi_closure_struct_SYSV: move.l %a1,-(%sp) move.l %a0,-(%sp) #if !defined __PIC__ - jsr ffi_closure_SYSV_inner + jsr CALLFUNC(ffi_closure_SYSV_inner) #else - bsr.l ffi_closure_SYSV_inner@PLTPC + bsr.l CALLFUNC(ffi_closure_SYSV_inner@PLTPC) #endif unlk %fp rts CFI_ENDPROC() - .size ffi_closure_struct_SYSV,.-ffi_closure_struct_SYSV + .size CALLFUNC(ffi_closure_struct_SYSV),.-CALLFUNC(ffi_closure_struct_SYSV) #if defined __ELF__ && defined __linux__ .section .note.GNU-stack,"",@progbits Index: libffi/README =================================================================== --- libffi.orig/README +++ libffi/README @@ -58,6 +58,7 @@ tested: | AVR32 | Linux | | HPPA | HPUX | | IA-64 | Linux | +| M68K | FreeMiNT | | M68K | RTEMS | | MIPS | IRIX | | MIPS | Linux | @@ -150,6 +151,7 @@ See the ChangeLog files for details. Lots of build fixes. Add Amiga newer MacOS support. Add Linux/x32 support. + Add m68k FreeMiNT support. Add thiscall and fastcall support on Windows. Fix Octeon and MC68881 support. Fix code pessimizations.