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Bug 1394286 - mips64: fix error correction about stackpointer within function _NS_InvokeByIndex

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Tag: #1542
This commit is contained in:
Jiaxun Yang 2020-05-12 12:40:04 +08:00 • committed by Roy Tam
commit e9e90bb62c
1 changed files with 5 additions and 6 deletions
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11
xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_mips64.S
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@ -67,10 +67,10 @@ NESTED(_NS_InvokeByIndex, FRAMESZ, ra)
jal invoke_copy_to_stack jal invoke_copy_to_stack
REG_L t3, 8(sp) # get previous a0 REG_L t3, 8(sp) # get previous a0
REG_L sp, 0(sp) # get orig sp back REG_L s0, 0(sp) # get orig sp back and save away our stack pointer
REG_L a0, A0OFF(sp) # a0 - that REG_L a0, A0OFF(s0) # a0 - that
REG_L a1, A1OFF(sp) # a1 - methodIndex REG_L a1, A1OFF(s0) # a1 - methodIndex
# t1 = methodIndex * pow(2, PTRLOG) # t1 = methodIndex * pow(2, PTRLOG)
# (use shift instead of mult) # (use shift instead of mult)
@ -105,13 +105,12 @@ NESTED(_NS_InvokeByIndex, FRAMESZ, ra)
l.d $f18, 40(t1) l.d $f18, 40(t1)
l.d $f19, 48(t1) l.d $f19, 48(t1)
# save away our stack pointer and create # create the stack pointer for the function
# the stack pointer for the function
move s0, sp
move sp, t3 move sp, t3
jalr t9 jalr t9
## restore stack pointer.
move sp, s0 move sp, s0
RESTORE_GP64 RESTORE_GP64