From: Josh Triplett Date: Fri, 21 Mar 2014 18:00:41 +0000 (-0700) Subject: win32.S: Make the jump tables position-independent X-Git-Tag: v3.1~20^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4fca48901e7e4f53bf490ed22607b2d2d8f4bfcc;p=platform%2Fupstream%2Flibffi.git win32.S: Make the jump tables position-independent Now that non-Windows platforms include win32.S, it needs to support building as position-independent code. This fixes build failures on target platforms that do not allow text relocations. --- diff --git a/src/x86/win32.S b/src/x86/win32.S index 7cbae2a..5ed1221 100644 --- a/src/x86/win32.S +++ b/src/x86/win32.S @@ -548,31 +548,33 @@ USCORE_SYMBOL(ffi_call_win32): call 1f # Do not insert anything here between the call and the jump table. .Lstore_table: - .long .Lnoretval /* FFI_TYPE_VOID */ - .long .Lretint /* FFI_TYPE_INT */ - .long .Lretfloat /* FFI_TYPE_FLOAT */ - .long .Lretdouble /* FFI_TYPE_DOUBLE */ - .long .Lretlongdouble /* FFI_TYPE_LONGDOUBLE */ - .long .Lretuint8 /* FFI_TYPE_UINT8 */ - .long .Lretsint8 /* FFI_TYPE_SINT8 */ - .long .Lretuint16 /* FFI_TYPE_UINT16 */ - .long .Lretsint16 /* FFI_TYPE_SINT16 */ - .long .Lretint /* FFI_TYPE_UINT32 */ - .long .Lretint /* FFI_TYPE_SINT32 */ - .long .Lretint64 /* FFI_TYPE_UINT64 */ - .long .Lretint64 /* FFI_TYPE_SINT64 */ - .long .Lretstruct /* FFI_TYPE_STRUCT */ - .long .Lretint /* FFI_TYPE_POINTER */ - .long .Lretstruct1b /* FFI_TYPE_SMALL_STRUCT_1B */ - .long .Lretstruct2b /* FFI_TYPE_SMALL_STRUCT_2B */ - .long .Lretstruct4b /* FFI_TYPE_SMALL_STRUCT_4B */ - .long .Lretstruct /* FFI_TYPE_MS_STRUCT */ + .long .Lnoretval-.Lstore_table /* FFI_TYPE_VOID */ + .long .Lretint-.Lstore_table /* FFI_TYPE_INT */ + .long .Lretfloat-.Lstore_table /* FFI_TYPE_FLOAT */ + .long .Lretdouble-.Lstore_table /* FFI_TYPE_DOUBLE */ + .long .Lretlongdouble-.Lstore_table /* FFI_TYPE_LONGDOUBLE */ + .long .Lretuint8-.Lstore_table /* FFI_TYPE_UINT8 */ + .long .Lretsint8-.Lstore_table /* FFI_TYPE_SINT8 */ + .long .Lretuint16-.Lstore_table /* FFI_TYPE_UINT16 */ + .long .Lretsint16-.Lstore_table /* FFI_TYPE_SINT16 */ + .long .Lretint-.Lstore_table /* FFI_TYPE_UINT32 */ + .long .Lretint-.Lstore_table /* FFI_TYPE_SINT32 */ + .long .Lretint64-.Lstore_table /* FFI_TYPE_UINT64 */ + .long .Lretint64-.Lstore_table /* FFI_TYPE_SINT64 */ + .long .Lretstruct-.Lstore_table /* FFI_TYPE_STRUCT */ + .long .Lretint-.Lstore_table /* FFI_TYPE_POINTER */ + .long .Lretstruct1b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lretstruct2b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lretstruct4b-.Lstore_table /* FFI_TYPE_SMALL_STRUCT_4B */ + .long .Lretstruct-.Lstore_table /* FFI_TYPE_MS_STRUCT */ 1: add %ecx, %ecx add %ecx, %ecx add (%esp),%ecx + mov (%ecx),%ecx + add (%esp),%ecx add $4, %esp - jmp *(%ecx) + jmp *%ecx /* Sign/zero extend as appropriate. */ .Lretsint8: @@ -704,32 +706,34 @@ USCORE_SYMBOL(ffi_closure_SYSV): call 1f # Do not insert anything here between the call and the jump table. .Lcls_store_table: - .long .Lcls_noretval /* FFI_TYPE_VOID */ - .long .Lcls_retint /* FFI_TYPE_INT */ - .long .Lcls_retfloat /* FFI_TYPE_FLOAT */ - .long .Lcls_retdouble /* FFI_TYPE_DOUBLE */ - .long .Lcls_retldouble /* FFI_TYPE_LONGDOUBLE */ - .long .Lcls_retuint8 /* FFI_TYPE_UINT8 */ - .long .Lcls_retsint8 /* FFI_TYPE_SINT8 */ - .long .Lcls_retuint16 /* FFI_TYPE_UINT16 */ - .long .Lcls_retsint16 /* FFI_TYPE_SINT16 */ - .long .Lcls_retint /* FFI_TYPE_UINT32 */ - .long .Lcls_retint /* FFI_TYPE_SINT32 */ - .long .Lcls_retllong /* FFI_TYPE_UINT64 */ - .long .Lcls_retllong /* FFI_TYPE_SINT64 */ - .long .Lcls_retstruct /* FFI_TYPE_STRUCT */ - .long .Lcls_retint /* FFI_TYPE_POINTER */ - .long .Lcls_retstruct1 /* FFI_TYPE_SMALL_STRUCT_1B */ - .long .Lcls_retstruct2 /* FFI_TYPE_SMALL_STRUCT_2B */ - .long .Lcls_retstruct4 /* FFI_TYPE_SMALL_STRUCT_4B */ - .long .Lcls_retmsstruct /* FFI_TYPE_MS_STRUCT */ + .long .Lcls_noretval-.Lcls_store_table /* FFI_TYPE_VOID */ + .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_INT */ + .long .Lcls_retfloat-.Lcls_store_table /* FFI_TYPE_FLOAT */ + .long .Lcls_retdouble-.Lcls_store_table /* FFI_TYPE_DOUBLE */ + .long .Lcls_retldouble-.Lcls_store_table /* FFI_TYPE_LONGDOUBLE */ + .long .Lcls_retuint8-.Lcls_store_table /* FFI_TYPE_UINT8 */ + .long .Lcls_retsint8-.Lcls_store_table /* FFI_TYPE_SINT8 */ + .long .Lcls_retuint16-.Lcls_store_table /* FFI_TYPE_UINT16 */ + .long .Lcls_retsint16-.Lcls_store_table /* FFI_TYPE_SINT16 */ + .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_UINT32 */ + .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_SINT32 */ + .long .Lcls_retllong-.Lcls_store_table /* FFI_TYPE_UINT64 */ + .long .Lcls_retllong-.Lcls_store_table /* FFI_TYPE_SINT64 */ + .long .Lcls_retstruct-.Lcls_store_table /* FFI_TYPE_STRUCT */ + .long .Lcls_retint-.Lcls_store_table /* FFI_TYPE_POINTER */ + .long .Lcls_retstruct1-.Lcls_store_table /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lcls_retstruct2-.Lcls_store_table /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lcls_retstruct4-.Lcls_store_table /* FFI_TYPE_SMALL_STRUCT_4B */ + .long .Lcls_retmsstruct-.Lcls_store_table /* FFI_TYPE_MS_STRUCT */ 1: add %eax, %eax add %eax, %eax add (%esp),%eax + mov (%eax),%eax + add (%esp),%eax add $4, %esp - jmp *(%eax) + jmp *%eax /* Sign/zero extend as appropriate. */ .Lcls_retsint8: @@ -855,31 +859,33 @@ USCORE_SYMBOL(ffi_closure_raw_SYSV): call 1f # Do not insert anything here between the call and the jump table. .Lrcls_store_table: - .long .Lrcls_noretval /* FFI_TYPE_VOID */ - .long .Lrcls_retint /* FFI_TYPE_INT */ - .long .Lrcls_retfloat /* FFI_TYPE_FLOAT */ - .long .Lrcls_retdouble /* FFI_TYPE_DOUBLE */ - .long .Lrcls_retldouble /* FFI_TYPE_LONGDOUBLE */ - .long .Lrcls_retuint8 /* FFI_TYPE_UINT8 */ - .long .Lrcls_retsint8 /* FFI_TYPE_SINT8 */ - .long .Lrcls_retuint16 /* FFI_TYPE_UINT16 */ - .long .Lrcls_retsint16 /* FFI_TYPE_SINT16 */ - .long .Lrcls_retint /* FFI_TYPE_UINT32 */ - .long .Lrcls_retint /* FFI_TYPE_SINT32 */ - .long .Lrcls_retllong /* FFI_TYPE_UINT64 */ - .long .Lrcls_retllong /* FFI_TYPE_SINT64 */ - .long .Lrcls_retstruct /* FFI_TYPE_STRUCT */ - .long .Lrcls_retint /* FFI_TYPE_POINTER */ - .long .Lrcls_retstruct1 /* FFI_TYPE_SMALL_STRUCT_1B */ - .long .Lrcls_retstruct2 /* FFI_TYPE_SMALL_STRUCT_2B */ - .long .Lrcls_retstruct4 /* FFI_TYPE_SMALL_STRUCT_4B */ - .long .Lrcls_retstruct /* FFI_TYPE_MS_STRUCT */ + .long .Lrcls_noretval-.Lrcls_store_table /* FFI_TYPE_VOID */ + .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_INT */ + .long .Lrcls_retfloat-.Lrcls_store_table /* FFI_TYPE_FLOAT */ + .long .Lrcls_retdouble-.Lrcls_store_table /* FFI_TYPE_DOUBLE */ + .long .Lrcls_retldouble-.Lrcls_store_table /* FFI_TYPE_LONGDOUBLE */ + .long .Lrcls_retuint8-.Lrcls_store_table /* FFI_TYPE_UINT8 */ + .long .Lrcls_retsint8-.Lrcls_store_table /* FFI_TYPE_SINT8 */ + .long .Lrcls_retuint16-.Lrcls_store_table /* FFI_TYPE_UINT16 */ + .long .Lrcls_retsint16-.Lrcls_store_table /* FFI_TYPE_SINT16 */ + .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_UINT32 */ + .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_SINT32 */ + .long .Lrcls_retllong-.Lrcls_store_table /* FFI_TYPE_UINT64 */ + .long .Lrcls_retllong-.Lrcls_store_table /* FFI_TYPE_SINT64 */ + .long .Lrcls_retstruct-.Lrcls_store_table /* FFI_TYPE_STRUCT */ + .long .Lrcls_retint-.Lrcls_store_table /* FFI_TYPE_POINTER */ + .long .Lrcls_retstruct1-.Lrcls_store_table /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lrcls_retstruct2-.Lrcls_store_table /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lrcls_retstruct4-.Lrcls_store_table /* FFI_TYPE_SMALL_STRUCT_4B */ + .long .Lrcls_retstruct-.Lrcls_store_table /* FFI_TYPE_MS_STRUCT */ 1: add %eax, %eax add %eax, %eax add (%esp),%eax + mov (%eax),%eax + add (%esp),%eax add $4, %esp - jmp *(%eax) + jmp *%eax /* Sign/zero extend as appropriate. */ .Lrcls_retsint8: @@ -980,30 +986,32 @@ USCORE_SYMBOL(ffi_closure_STDCALL): call 1f # Do not insert anything here between the call and the jump table. .Lscls_store_table: - .long .Lscls_noretval /* FFI_TYPE_VOID */ - .long .Lscls_retint /* FFI_TYPE_INT */ - .long .Lscls_retfloat /* FFI_TYPE_FLOAT */ - .long .Lscls_retdouble /* FFI_TYPE_DOUBLE */ - .long .Lscls_retldouble /* FFI_TYPE_LONGDOUBLE */ - .long .Lscls_retuint8 /* FFI_TYPE_UINT8 */ - .long .Lscls_retsint8 /* FFI_TYPE_SINT8 */ - .long .Lscls_retuint16 /* FFI_TYPE_UINT16 */ - .long .Lscls_retsint16 /* FFI_TYPE_SINT16 */ - .long .Lscls_retint /* FFI_TYPE_UINT32 */ - .long .Lscls_retint /* FFI_TYPE_SINT32 */ - .long .Lscls_retllong /* FFI_TYPE_UINT64 */ - .long .Lscls_retllong /* FFI_TYPE_SINT64 */ - .long .Lscls_retstruct /* FFI_TYPE_STRUCT */ - .long .Lscls_retint /* FFI_TYPE_POINTER */ - .long .Lscls_retstruct1 /* FFI_TYPE_SMALL_STRUCT_1B */ - .long .Lscls_retstruct2 /* FFI_TYPE_SMALL_STRUCT_2B */ - .long .Lscls_retstruct4 /* FFI_TYPE_SMALL_STRUCT_4B */ + .long .Lscls_noretval-.Lscls_store_table /* FFI_TYPE_VOID */ + .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_INT */ + .long .Lscls_retfloat-.Lscls_store_table /* FFI_TYPE_FLOAT */ + .long .Lscls_retdouble-.Lscls_store_table /* FFI_TYPE_DOUBLE */ + .long .Lscls_retldouble-.Lscls_store_table /* FFI_TYPE_LONGDOUBLE */ + .long .Lscls_retuint8-.Lscls_store_table /* FFI_TYPE_UINT8 */ + .long .Lscls_retsint8-.Lscls_store_table /* FFI_TYPE_SINT8 */ + .long .Lscls_retuint16-.Lscls_store_table /* FFI_TYPE_UINT16 */ + .long .Lscls_retsint16-.Lscls_store_table /* FFI_TYPE_SINT16 */ + .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_UINT32 */ + .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_SINT32 */ + .long .Lscls_retllong-.Lscls_store_table /* FFI_TYPE_UINT64 */ + .long .Lscls_retllong-.Lscls_store_table /* FFI_TYPE_SINT64 */ + .long .Lscls_retstruct-.Lscls_store_table /* FFI_TYPE_STRUCT */ + .long .Lscls_retint-.Lscls_store_table /* FFI_TYPE_POINTER */ + .long .Lscls_retstruct1-.Lscls_store_table /* FFI_TYPE_SMALL_STRUCT_1B */ + .long .Lscls_retstruct2-.Lscls_store_table /* FFI_TYPE_SMALL_STRUCT_2B */ + .long .Lscls_retstruct4-.Lscls_store_table /* FFI_TYPE_SMALL_STRUCT_4B */ 1: add %eax, %eax add %eax, %eax add (%esp),%eax + mov (%eax),%eax + add (%esp),%eax add $4, %esp - jmp *(%eax) + jmp *%eax /* Sign/zero extend as appropriate. */ .Lscls_retsint8: