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-rw-r--r--xpcom/reflect/xptcall/md/unix/xptcstubs_asm_pa32.s68
1 files changed, 68 insertions, 0 deletions
diff --git a/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_pa32.s b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_pa32.s
new file mode 100644
index 000000000..9e86848fc
--- /dev/null
+++ b/xpcom/reflect/xptcall/md/unix/xptcstubs_asm_pa32.s
@@ -0,0 +1,68 @@
+ .LEVEL 1.1
+
+curframesz .EQU 128
+; SharedStub has stack size of 128 bytes
+
+lastframesz .EQU 64
+; the StubN C++ function has a small stack size of 64 bytes
+
+ .SPACE $TEXT$,SORT=8
+ .SUBSPA $CODE$,QUAD=0,ALIGN=4,ACCESS=0x2c,CODE_ONLY,SORT=24
+SharedStub
+ .PROC
+ .CALLINFO CALLER,FRAME=80,SAVE_RP,ARGS_SAVED
+
+ .ENTRY
+ STW %rp,-20(%sp)
+ LDO 128(%sp),%sp
+
+ STW %r19,-32(%r30)
+ STW %r26,-36-curframesz(%r30) ; save arg0 in previous frame
+
+ LDO -80(%r30),%r28
+ FSTD,MA %fr5,8(%r28) ; save darg0
+ FSTD,MA %fr7,8(%r28) ; save darg1
+ FSTW,MA %fr4L,4(%r28) ; save farg0
+ FSTW,MA %fr5L,4(%r28) ; save farg1
+ FSTW,MA %fr6L,4(%r28) ; save farg2
+ FSTW,MA %fr7L,4(%r28) ; save farg3
+
+ ; Former value of register 26 is already properly saved by StubN,
+ ; but register 25-23 are not because of the arguments mismatch
+ STW %r25,-40-curframesz-lastframesz(%r30) ; save r25
+ STW %r24,-44-curframesz-lastframesz(%r30) ; save r24
+ STW %r23,-48-curframesz-lastframesz(%r30) ; save r23
+ COPY %r26,%r25 ; method index is arg1
+ LDW -36-curframesz-lastframesz(%r30),%r26 ; self is arg0
+ LDO -40-curframesz-lastframesz(%r30),%r24 ; normal args is arg2
+ LDO -80(%r30),%r23 ; floating args is arg3
+
+ BL .+8,%r2
+ ADDIL L'PrepareAndDispatch-$PIC_pcrel$0+4,%r2
+ LDO R'PrepareAndDispatch-$PIC_pcrel$1+8(%r1),%r1
+$PIC_pcrel$0
+ LDSID (%r1),%r31
+$PIC_pcrel$1
+ MTSP %r31,%sr0
+ .CALL ARGW0=GR,ARGW1=GR,ARGW2=GR,ARGW3=GR,RTNVAL=GR
+;in=23-26;out=28;
+ BLE 0(%sr0,%r1)
+ COPY %r31,%r2
+
+ LDW -32(%r30),%r19
+
+ LDW -148(%sp),%rp
+ BVE (%rp)
+ .EXIT
+ LDO -128(%sp),%sp
+
+
+ .PROCEND ;in=26;out=28;
+
+ .ALIGN 8
+ .SPACE $TEXT$
+ .SUBSPA $CODE$
+ .IMPORT PrepareAndDispatch,CODE
+ .EXPORT SharedStub,ENTRY,PRIV_LEV=3,ARGW0=GR,RTNVAL=GR,LONG_RETURN
+ .END
+