diff options
Diffstat (limited to 'xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_pa32.s')
| -rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_pa32.s | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_pa32.s b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_pa32.s new file mode 100644 index 000000000..6fa9a86ba --- /dev/null +++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_pa32.s @@ -0,0 +1,131 @@ + .LEVEL 1.1 +framesz .EQU 128 + +; XPTC_InvokeByIndex(nsISuppots* that, uint32_t methodIndex, +; uint32_t paramCount, nsXPTCVariant* params); + +; g++ need to compile everything with -fvtable-thunks ! + + .SPACE $TEXT$,SORT=8 + .SUBSPA $CODE$,QUAD=0,ALIGN=4,ACCESS=0x2c,CODE_ONLY,SORT=24 +XPTC_InvokeByIndex + .PROC + .CALLINFO CALLER,FRAME=72,ENTRY_GR=%r3,SAVE_RP,SAVE_SP,ARGS_SAVED,ALLOCA_FRAME + + ; frame marker takes 48 bytes, + ; register spill area takes 8 bytes, + ; local stack area takes 72 bytes result in 128 bytes total + + .ENTRY + STW %rp,-20(%sp) + STW,MA %r3,128(%sp) + + LDO -framesz(%r30),%r28 + STW %r28,-4(%r30) ; save previous sp + STW %r19,-32(%r30) + + STW %r26,-36-framesz(%r30) ; save argument registers in + STW %r25,-40-framesz(%r30) ; in PREVIOUS frame + STW %r24,-44-framesz(%r30) ; + STW %r23,-48-framesz(%r30) ; + + B,L .+8,%r2 + ADDIL L'invoke_count_bytes-$PIC_pcrel$1+4,%r2,%r1 + LDO R'invoke_count_bytes-$PIC_pcrel$2+8(%r1),%r1 +$PIC_pcrel$1 + LDSID (%r1),%r31 +$PIC_pcrel$2 + MTSP %r31,%sr0 + .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26;out=28 + BE,L 0(%sr0,%r1),%r31 + COPY %r31,%r2 + + CMPIB,>= 0,%r28, .+76 + COPY %r30,%r3 ; copy stack ptr to saved stack ptr + ADD %r30,%r28,%r30 ; extend stack frame + LDW -4(%r3),%r28 ; move frame + STW %r28,-4(%r30) + LDW -8(%r3),%r28 + STW %r28,-8(%r30) + LDW -12(%r3),%r28 + STW %r28,-12(%r30) + LDW -16(%r3),%r28 + STW %r28,-16(%r30) + LDW -20(%r3),%r28 + STW %r28,-20(%r30) + LDW -24(%r3),%r28 + STW %r28,-24(%r30) + LDW -28(%r3),%r28 + STW %r28,-28(%r30) + LDW -32(%r3),%r28 + STW %r28,-32(%r30) + + LDO -40(%r30),%r26 ; load copy address + LDW -44-framesz(%r3),%r25 ; load rest of 2 arguments + LDW -48-framesz(%r3),%r24 ; + + LDW -32(%r30),%r19 ; shared lib call destroys r19; reload + B,L .+8,%r2 + ADDIL L'invoke_copy_to_stack-$PIC_pcrel$3+4,%r2,%r1 + LDO R'invoke_copy_to_stack-$PIC_pcrel$4+8(%r1),%r1 +$PIC_pcrel$3 + LDSID (%r1),%r31 +$PIC_pcrel$4 + MTSP %r31,%sr0 + .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR ;in=24,25,26 + BE,L 0(%sr0,%r1),%r31 + COPY %r31,%r2 + + LDO -48(%r30),%r20 + EXTRW,U,= %r28,31,1,%r22 + FLDD 0(%r20),%fr7 ; load double arg 1 + EXTRW,U,= %r28,30,1,%r22 + FLDW 8(%r20),%fr5L ; load float arg 1 + EXTRW,U,= %r28,29,1,%r22 + FLDW 4(%r20),%fr6L ; load float arg 2 + EXTRW,U,= %r28,28,1,%r22 + FLDW 0(%r20),%fr7L ; load float arg 3 + + LDW -36-framesz(%r3),%r26 ; load ptr to 'that' + LDW -40(%r30),%r25 ; load the rest of dispatch argument registers + LDW -44(%r30),%r24 + LDW -48(%r30),%r23 + + LDW -36-framesz(%r3),%r20 ; load vtable addr + LDW -40-framesz(%r3),%r28 ; load index + LDW 0(%r20),%r20 ; follow vtable + LDO 16(%r20),%r20 ; offset vtable by 16 bytes (g++: 8, aCC: 16) + SH2ADDL %r28,%r20,%r28 ; add 4*index to vtable entry + LDW 0(%r28),%r22 ; load vtable entry + + B,L .+8,%r2 + ADDIL L'$$dyncall_external-$PIC_pcrel$5+4,%r2,%r1 + LDO R'$$dyncall_external-$PIC_pcrel$6+8(%r1),%r1 +$PIC_pcrel$5 + LDSID (%r1),%r31 +$PIC_pcrel$6 + MTSP %r31,%sr0 + .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR +;in=22-26;out=28; + BE,L 0(%sr0,%r1),%r31 + COPY %r31,%r2 + + LDW -32(%r30),%r19 + COPY %r3,%r30 ; restore saved stack ptr + + LDW -148(%sp),%rp + BVE (%rp) + .EXIT + LDW,MB -128(%sp),%r3 + + .PROCEND ;in=23,24,25,26; + + .ALIGN 8 + .SPACE $TEXT$ + .SUBSPA $CODE$ + .IMPORT $$dyncall_external,MILLICODE + .IMPORT invoke_count_bytes,CODE + .IMPORT invoke_copy_to_stack,CODE + .EXPORT XPTC_InvokeByIndex,ENTRY,PRIV_LEV=3,ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR,LONG_RETURN + .END + |