diff options
Diffstat (limited to 'libffi/src/powerpc/ppc_closure.S')
| -rw-r--r-- | libffi/src/powerpc/ppc_closure.S | 250 |
1 files changed, 0 insertions, 250 deletions
diff --git a/libffi/src/powerpc/ppc_closure.S b/libffi/src/powerpc/ppc_closure.S deleted file mode 100644 index dce9dab..0000000 --- a/libffi/src/powerpc/ppc_closure.S +++ /dev/null @@ -1,250 +0,0 @@ -#define LIBFFI_ASM -#include <fficonfig.h> -#include <ffi.h> -#include <powerpc/asm.h> - - .file "ppc_closure.S" - -#ifndef __powerpc64__ - -ENTRY(ffi_closure_SYSV) -.LFB1: - stwu %r1,-144(%r1) -.LCFI0: - mflr %r0 -.LCFI1: - stw %r0,148(%r1) - -# we want to build up an areas for the parameters passed -# in registers (both floating point and integer) - - # so first save gpr 3 to gpr 10 (aligned to 4) - stw %r3, 16(%r1) - stw %r4, 20(%r1) - stw %r5, 24(%r1) - stw %r6, 28(%r1) - stw %r7, 32(%r1) - stw %r8, 36(%r1) - stw %r9, 40(%r1) - stw %r10,44(%r1) - - # next save fpr 1 to fpr 8 (aligned to 8) - stfd %f1, 48(%r1) - stfd %f2, 56(%r1) - stfd %f3, 64(%r1) - stfd %f4, 72(%r1) - stfd %f5, 80(%r1) - stfd %f6, 88(%r1) - stfd %f7, 96(%r1) - stfd %f8, 104(%r1) - - # set up registers for the routine that actually does the work - # get the context pointer from the trampoline - mr %r3,%r11 - - # now load up the pointer to the result storage - addi %r4,%r1,112 - - # now load up the pointer to the saved gpr registers - addi %r5,%r1,16 - - # now load up the pointer to the saved fpr registers */ - addi %r6,%r1,48 - - # now load up the pointer to the outgoing parameter - # stack in the previous frame - # i.e. the previous frame pointer + 8 - addi %r7,%r1,152 - - # make the call - bl JUMPTARGET(ffi_closure_helper_SYSV) - - # now r3 contains the return type - # so use it to look up in a table - # so we know how to deal with each type - - # look up the proper starting point in table - # by using return type as offset - addi %r5,%r1,112 # get pointer to results area - bl .Lget_ret_type0_addr # get pointer to .Lret_type0 into LR - mflr %r4 # move to r4 - slwi %r3,%r3,4 # now multiply return type by 16 - add %r3,%r3,%r4 # add contents of table to table address - mtctr %r3 - bctr # jump to it -.LFE1: - -# Each of the ret_typeX code fragments has to be exactly 16 bytes long -# (4 instructions). For cache effectiveness we align to a 16 byte boundary -# first. - .align 4 - - nop - nop - nop -.Lget_ret_type0_addr: - blrl - -# case FFI_TYPE_VOID -.Lret_type0: - b .Lfinish - nop - nop - nop - -# case FFI_TYPE_INT -.Lret_type1: - lwz %r3,0(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_FLOAT -.Lret_type2: - lfs %f1,0(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_DOUBLE -.Lret_type3: - lfd %f1,0(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_LONGDOUBLE -.Lret_type4: - lfd %f1,0(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_UINT8 -.Lret_type5: - lbz %r3,3(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_SINT8 -.Lret_type6: - lbz %r3,3(%r5) - extsb %r3,%r3 - b .Lfinish - nop - -# case FFI_TYPE_UINT16 -.Lret_type7: - lhz %r3,2(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_SINT16 -.Lret_type8: - lha %r3,2(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_UINT32 -.Lret_type9: - lwz %r3,0(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_SINT32 -.Lret_type10: - lwz %r3,0(%r5) - b .Lfinish - nop - nop - -# case FFI_TYPE_UINT64 -.Lret_type11: - lwz %r3,0(%r5) - lwz %r4,4(%r5) - b .Lfinish - nop - -# case FFI_TYPE_SINT64 -.Lret_type12: - lwz %r3,0(%r5) - lwz %r4,4(%r5) - b .Lfinish - nop - -# case FFI_TYPE_STRUCT -.Lret_type13: - b .Lfinish - nop - nop - nop - -# case FFI_TYPE_POINTER -.Lret_type14: - lwz %r3,0(%r5) - b .Lfinish - nop - nop - -# case done -.Lfinish: - - lwz %r0,148(%r1) - mtlr %r0 - addi %r1,%r1,144 - blr -END(ffi_closure_SYSV) - - .section ".eh_frame",EH_FRAME_FLAGS,@progbits -.Lframe1: - .4byte .LECIE1-.LSCIE1 # Length of Common Information Entry -.LSCIE1: - .4byte 0x0 # CIE Identifier Tag - .byte 0x1 # CIE Version -#if defined _RELOCATABLE || defined __PIC__ - .ascii "zR\0" # CIE Augmentation -#else - .ascii "\0" # CIE Augmentation -#endif - .uleb128 0x1 # CIE Code Alignment Factor - .sleb128 -4 # CIE Data Alignment Factor - .byte 0x41 # CIE RA Column -#if defined _RELOCATABLE || defined __PIC__ - .uleb128 0x1 # Augmentation size - .byte 0x1b # FDE Encoding (pcrel sdata4) -#endif - .byte 0xc # DW_CFA_def_cfa - .uleb128 0x1 - .uleb128 0x0 - .align 2 -.LECIE1: -.LSFDE1: - .4byte .LEFDE1-.LASFDE1 # FDE Length -.LASFDE1: - .4byte .LASFDE1-.Lframe1 # FDE CIE offset -#if defined _RELOCATABLE || defined __PIC__ - .4byte .LFB1-. # FDE initial location -#else - .4byte .LFB1 # FDE initial location -#endif - .4byte .LFE1-.LFB1 # FDE address range -#if defined _RELOCATABLE || defined __PIC__ - .uleb128 0x0 # Augmentation size -#endif - .byte 0x4 # DW_CFA_advance_loc4 - .4byte .LCFI0-.LFB1 - .byte 0xe # DW_CFA_def_cfa_offset - .uleb128 144 - .byte 0x4 # DW_CFA_advance_loc4 - .4byte .LCFI1-.LCFI0 - .byte 0x2f # DW_CFA_GNU_negative_offset_extended - .uleb128 0x41 - .uleb128 0x1 - .align 2 -.LEFDE1: - -#endif |