re PR testsuite/32843 (libffi.call/return_sc.c)
2008-01-05 Andreas Tobler <a.tobler@schweiz.org> PR testsuite/32843 * src/x86/ffi.c (ffi_prep_cif_machdep): Add code for signed/unsigned int8/16 for X86_DARWIN. Updated copyright info. Handle one and two byte structs with special cif->flags. * src/x86/ffitarget.h: Add special types for one and two byte structs. Updated copyright info. * src/x86/darwin.S (ffi_call_SYSV): Rewrite to use a jump table like sysv.S Remove code to pop args from the stack after call. Special-case signed/unsigned for int8/16, one and two byte structs. (ffi_closure_raw_SYSV): Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16, FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. Updated copyright info. From-SVN: r131343
This commit is contained in:
Andreas Tobler
Andreas Tobler
parent
5a37a60ccb
commit
d7b07cc730
@ -1,3 +1,21 @@
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2008-01-05 Andreas Tobler <a.tobler@schweiz.org>
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PR testsuite/32843
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* src/x86/ffi.c (ffi_prep_cif_machdep): Add code for
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signed/unsigned int8/16 for X86_DARWIN.
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Updated copyright info.
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Handle one and two byte structs with special cif->flags.
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* src/x86/ffitarget.h: Add special types for one and two byte structs.
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Updated copyright info.
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* src/x86/darwin.S (ffi_call_SYSV): Rewrite to use a jump table like
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sysv.S
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Remove code to pop args from the stack after call.
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Special-case signed/unsigned for int8/16, one and two byte structs.
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(ffi_closure_raw_SYSV): Handle FFI_TYPE_UINT8,
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FFI_TYPE_SINT8, FFI_TYPE_UINT16, FFI_TYPE_SINT16, FFI_TYPE_UINT32,
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FFI_TYPE_SINT32.
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Updated copyright info.
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2007-12-08 David Daney <ddaney@avtrex.com>
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* src/mips/n32.S (ffi_call_N32): Replace dadd with ADDU, dsub with
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@ -1,7 +1,8 @@
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/* -----------------------------------------------------------------------
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sysv.S - Copyright (c) 1996, 1998, 2001, 2002, 2003, 2005 Red Hat, Inc.
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X86 Foreign Function Interface
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darwin.S - Copyright (c) 1996, 1998, 2001, 2002, 2003, 2005 Red Hat, Inc.
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Copyright (C) 2008 Free Software Foundation, Inc.
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X86 Foreign Function Interface
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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@ -60,16 +61,15 @@ _ffi_call_SYSV:
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call *28(%ebp)
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/* Remove the space we pushed for the args */
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movl 16(%ebp),%ecx
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addl %ecx,%esp
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/* Load %ecx with the return type code */
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movl 20(%ebp),%ecx
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/* Protect %esi. We're going to pop it in the epilogue. */
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pushl %esi
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/* If the return value pointer is NULL, assume no return value. */
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cmpl $0,24(%ebp)
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jne retint
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jne 0f
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/* Even if there is no space for the return value, we are
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obliged to handle floating-point values. */
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@ -77,79 +77,102 @@ _ffi_call_SYSV:
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jne noretval
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fstp %st(0)
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jmp epilogue
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retint:
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cmpl $FFI_TYPE_INT,%ecx
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jne retfloat
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl %eax,0(%ecx)
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jmp epilogue
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0:
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.align 4
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call 1f
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.Lstore_table:
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.long noretval-.Lstore_table /* FFI_TYPE_VOID */
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.long retint-.Lstore_table /* FFI_TYPE_INT */
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.long retfloat-.Lstore_table /* FFI_TYPE_FLOAT */
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.long retdouble-.Lstore_table /* FFI_TYPE_DOUBLE */
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.long retlongdouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */
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.long retuint8-.Lstore_table /* FFI_TYPE_UINT8 */
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.long retsint8-.Lstore_table /* FFI_TYPE_SINT8 */
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.long retuint16-.Lstore_table /* FFI_TYPE_UINT16 */
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.long retsint16-.Lstore_table /* FFI_TYPE_SINT16 */
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.long retint-.Lstore_table /* FFI_TYPE_UINT32 */
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.long retint-.Lstore_table /* FFI_TYPE_SINT32 */
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.long retint64-.Lstore_table /* FFI_TYPE_UINT64 */
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.long retint64-.Lstore_table /* FFI_TYPE_SINT64 */
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.long retstruct-.Lstore_table /* FFI_TYPE_STRUCT */
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.long retint-.Lstore_table /* FFI_TYPE_POINTER */
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.long retstruct1b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_1B */
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.long retstruct2b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_2B */
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1:
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pop %esi
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add (%esi, %ecx, 4), %esi
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jmp *%esi
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/* Sign/zero extend as appropriate. */
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retsint8:
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movsbl %al, %eax
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jmp retint
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retsint16:
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movswl %ax, %eax
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jmp retint
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retuint8:
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movzbl %al, %eax
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jmp retint
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retuint16:
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movzwl %ax, %eax
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jmp retint
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retfloat:
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cmpl $FFI_TYPE_FLOAT,%ecx
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jne retdouble
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl 24(%ebp),%ecx
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fstps (%ecx)
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jmp epilogue
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retdouble:
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cmpl $FFI_TYPE_DOUBLE,%ecx
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jne retlongdouble
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl 24(%ebp),%ecx
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fstpl (%ecx)
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jmp epilogue
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retlongdouble:
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cmpl $FFI_TYPE_LONGDOUBLE,%ecx
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jne retint64
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl 24(%ebp),%ecx
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fstpt (%ecx)
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jmp epilogue
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retint64:
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cmpl $FFI_TYPE_SINT64,%ecx
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jne retstruct1b
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retint64:
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl 24(%ebp),%ecx
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movl %eax,0(%ecx)
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movl %edx,4(%ecx)
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jmp epilogue
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retstruct1b:
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cmpl $FFI_TYPE_SINT8,%ecx
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jne retstruct2b
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retstruct1b:
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl 24(%ebp),%ecx
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movb %al,0(%ecx)
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jmp epilogue
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retstruct2b:
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cmpl $FFI_TYPE_SINT16,%ecx
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jne retstruct
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retstruct2b:
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl 24(%ebp),%ecx
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movw %ax,0(%ecx)
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jmp epilogue
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retint:
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/* Load %ecx with the pointer to storage for the return value */
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movl 24(%ebp),%ecx
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movl %eax,0(%ecx)
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retstruct:
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cmpl $FFI_TYPE_STRUCT,%ecx
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jne noretval
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/* Nothing to do! */
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addl $4,%esp
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popl %ebp
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ret
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noretval:
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epilogue:
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addl $8,%esp
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movl %ebp,%esp
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popl %ebp
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ret
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popl %esi
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movl %ebp,%esp
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popl %ebp
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ret
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.LFE1:
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.ffi_call_SYSV_end:
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@ -177,7 +200,15 @@ _ffi_closure_SYSV:
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movl -12(%ebp), %ecx
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cmpl $FFI_TYPE_INT, %eax
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je .Lcls_retint
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cmpl $FFI_TYPE_FLOAT, %eax
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/* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
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FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
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cmpl $FFI_TYPE_UINT64, %eax
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jge 0f
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cmpl $FFI_TYPE_UINT8, %eax
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jge .Lcls_retint
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0: cmpl $FFI_TYPE_FLOAT, %eax
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je .Lcls_retfloat
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cmpl $FFI_TYPE_DOUBLE, %eax
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je .Lcls_retdouble
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@ -185,10 +216,10 @@ _ffi_closure_SYSV:
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je .Lcls_retldouble
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cmpl $FFI_TYPE_SINT64, %eax
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je .Lcls_retllong
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cmpl $FFI_TYPE_SINT8, %eax
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je .Lcls_retstruct1
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cmpl $FFI_TYPE_SINT16, %eax
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je .Lcls_retstruct2
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cmpl $FFI_TYPE_SMALL_STRUCT_1B, %eax
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je .Lcls_retstruct1b
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cmpl $FFI_TYPE_SMALL_STRUCT_2B, %eax
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je .Lcls_retstruct2b
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cmpl $FFI_TYPE_STRUCT, %eax
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je .Lcls_retstruct
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.Lcls_epilogue:
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@ -211,10 +242,10 @@ _ffi_closure_SYSV:
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movl (%ecx), %eax
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movl 4(%ecx), %edx
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jmp .Lcls_epilogue
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.Lcls_retstruct1:
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.Lcls_retstruct1b:
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movsbl (%ecx), %eax
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jmp .Lcls_epilogue
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.Lcls_retstruct2:
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.Lcls_retstruct2b:
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movswl (%ecx), %eax
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jmp .Lcls_epilogue
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.Lcls_retstruct:
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@ -256,6 +287,14 @@ _ffi_closure_raw_SYSV:
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movl CIF_FLAGS_OFFSET(%esi), %eax /* rtype */
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cmpl $FFI_TYPE_INT, %eax
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je .Lrcls_retint
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/* Handle FFI_TYPE_UINT8, FFI_TYPE_SINT8, FFI_TYPE_UINT16,
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FFI_TYPE_SINT16, FFI_TYPE_UINT32, FFI_TYPE_SINT32. */
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cmpl $FFI_TYPE_UINT64, %eax
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jge 0f
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cmpl $FFI_TYPE_UINT8, %eax
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jge .Lrcls_retint
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0:
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cmpl $FFI_TYPE_FLOAT, %eax
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je .Lrcls_retfloat
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cmpl $FFI_TYPE_DOUBLE, %eax
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@ -3,8 +3,9 @@
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Copyright (c) 2002 Ranjit Mathew
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Copyright (c) 2002 Bo Thorsen
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Copyright (c) 2002 Roger Sayle
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x86 Foreign Function Interface
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Copyright (C) 2008 Free Software Foundation, Inc.
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x86 Foreign Function Interface
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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@ -121,10 +122,13 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
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case FFI_TYPE_VOID:
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#ifdef X86
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case FFI_TYPE_STRUCT:
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#else
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# if defined(X86) || defined(X86_DARWIN)
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case FFI_TYPE_UINT8:
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case FFI_TYPE_UINT16:
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case FFI_TYPE_SINT8:
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case FFI_TYPE_SINT16:
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# endif
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#endif
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case FFI_TYPE_SINT64:
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@ -142,11 +146,11 @@ ffi_status ffi_prep_cif_machdep(ffi_cif *cif)
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case FFI_TYPE_STRUCT:
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if (cif->rtype->size == 1)
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{
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cif->flags = FFI_TYPE_SINT8; /* same as char size */
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cif->flags = FFI_TYPE_SMALL_STRUCT_1B; /* same as char size */
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}
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else if (cif->rtype->size == 2)
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{
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cif->flags = FFI_TYPE_SINT16; /* same as short size */
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cif->flags = FFI_TYPE_SMALL_STRUCT_2B; /* same as short size */
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}
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else if (cif->rtype->size == 4)
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{
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@ -1,5 +1,7 @@
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/* -----------------------------------------------------------------*-C-*-
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ffitarget.h - Copyright (c) 1996-2003 Red Hat, Inc.
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Copyright (C) 2008 Free Software Foundation, Inc.
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Target configuration macros for x86 and x86-64.
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Permission is hereby granted, free of charge, to any person obtaining
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@ -68,6 +70,8 @@ typedef enum ffi_abi {
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/* ---- Definitions for closures ----------------------------------------- */
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#define FFI_CLOSURES 1
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#define FFI_TYPE_SMALL_STRUCT_1B (FFI_TYPE_LAST + 1)
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#define FFI_TYPE_SMALL_STRUCT_2B (FFI_TYPE_LAST + 2)
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#if defined (X86_64) || (defined (__x86_64__) && defined (X86_DARWIN))
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#define FFI_TRAMPOLINE_SIZE 24
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