Commit 4fca48901e7e4f53bf490ed22607b2d2d8f4bfcc
2014-03-21T11:00:41
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.
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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: