diff options
Diffstat (limited to 'libffi/src/m68k/sysv.S')
| -rw-r--r-- | libffi/src/m68k/sysv.S | 57 |
1 files changed, 51 insertions, 6 deletions
diff --git a/libffi/src/m68k/sysv.S b/libffi/src/m68k/sysv.S index f6f4ef97eaf..ec2b14f3d98 100644 --- a/libffi/src/m68k/sysv.S +++ b/libffi/src/m68k/sysv.S @@ -2,9 +2,10 @@ sysv.S - Copyright (c) 2012 Alan Hourihane Copyright (c) 1998, 2012 Andreas Schwab - Copyright (c) 2008 Red Hat, Inc. - - m68k Foreign Function Interface + Copyright (c) 2008 Red Hat, Inc. + Copyright (c) 2012 Thorsten Glaser + + m68k Foreign Function Interface Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the @@ -168,8 +169,28 @@ retstruct1: retstruct2: btst #7,%d2 - jbeq noretval + jbeq retsint8 move.w %d0,(%a1) + jbra epilogue + +retsint8: + btst #8,%d2 + jbeq retsint16 + | NOTE: On the mc68000, extb is not supported. 8->16, then 16->32. +#if !defined(__mc68020__) && !defined(__mc68030__) && !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcoldfire__) + ext.w %d0 + ext.l %d0 +#else + extb.l %d0 +#endif + move.l %d0,(%a1) + jbra epilogue + +retsint16: + btst #9,%d2 + jbeq noretval + ext.l %d0 + move.l %d0,(%a1) noretval: epilogue: @@ -201,8 +222,10 @@ CALLFUNC(ffi_closure_SYSV): lsr.l #1,%d0 jne 1f jcc .Lcls_epilogue + | CIF_FLAGS_INT move.l -12(%fp),%d0 .Lcls_epilogue: + | no CIF_FLAGS_* unlk %fp rts 1: @@ -210,6 +233,7 @@ CALLFUNC(ffi_closure_SYSV): lsr.l #2,%d0 jne 1f jcs .Lcls_ret_float + | CIF_FLAGS_DINT move.l (%a0)+,%d0 move.l (%a0),%d1 jra .Lcls_epilogue @@ -224,6 +248,7 @@ CALLFUNC(ffi_closure_SYSV): lsr.l #2,%d0 jne 1f jcs .Lcls_ret_ldouble + | CIF_FLAGS_DOUBLE #if defined(__MC68881__) || defined(__HAVE_68881__) fmove.d (%a0),%fp0 #else @@ -242,17 +267,37 @@ CALLFUNC(ffi_closure_SYSV): jra .Lcls_epilogue 1: lsr.l #2,%d0 - jne .Lcls_ret_struct2 + jne 1f jcs .Lcls_ret_struct1 + | CIF_FLAGS_POINTER move.l (%a0),%a0 move.l %a0,%d0 jra .Lcls_epilogue .Lcls_ret_struct1: move.b (%a0),%d0 jra .Lcls_epilogue -.Lcls_ret_struct2: +1: + lsr.l #2,%d0 + jne 1f + jcs .Lcls_ret_sint8 + | CIF_FLAGS_STRUCT2 move.w (%a0),%d0 jra .Lcls_epilogue +.Lcls_ret_sint8: + move.l (%a0),%d0 + | NOTE: On the mc68000, extb is not supported. 8->16, then 16->32. +#if !defined(__mc68020__) && !defined(__mc68030__) && !defined(__mc68040__) && !defined(__mc68060__) && !defined(__mcoldfire__) + ext.w %d0 + ext.l %d0 +#else + extb.l %d0 +#endif + jra .Lcls_epilogue +1: + | CIF_FLAGS_SINT16 + move.l (%a0),%d0 + ext.l %d0 + jra .Lcls_epilogue CFI_ENDPROC() .size CALLFUNC(ffi_closure_SYSV),.-CALLFUNC(ffi_closure_SYSV) |