From d9e0b4be85812fcb2bd04ff9b4383a4c23a6851d Mon Sep 17 00:00:00 2001 From: Jiaxun Yang Date: Tue, 12 May 2020 12:40:04 +0800 Subject: Bug 1394286 - mips64: fix error correction about stackpointer within function _NS_InvokeByIndex Tag: #1542 --- xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_mips64.S | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'xpcom') diff --git a/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_mips64.S b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_mips64.S index eef34de7f..d2c5595ab 100644 --- a/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_mips64.S +++ b/xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_mips64.S @@ -67,10 +67,10 @@ NESTED(_NS_InvokeByIndex, FRAMESZ, ra) jal invoke_copy_to_stack 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 a1, A1OFF(sp) # a1 - methodIndex + REG_L a0, A0OFF(s0) # a0 - that + REG_L a1, A1OFF(s0) # a1 - methodIndex # t1 = methodIndex * pow(2, PTRLOG) # (use shift instead of mult) @@ -105,13 +105,12 @@ NESTED(_NS_InvokeByIndex, FRAMESZ, ra) l.d $f18, 40(t1) l.d $f19, 48(t1) - # save away our stack pointer and create - # the stack pointer for the function - move s0, sp + # create the stack pointer for the function move sp, t3 jalr t9 + ## restore stack pointer. move sp, s0 RESTORE_GP64 -- cgit v1.2.3