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| author | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-05-12 12:40:04 +0800 |
|---|---|---|
| committer | Jiaxun Yang <jiaxun.yang@flygoat.com> | 2020-05-14 16:31:55 +0800 |
| commit | ec7269ea5c653c64fea9c1d490ca4298673ec13b (patch) | |
| tree | df494d6e09cb59431643e1833a3a37ca4803b799 | |
| parent | 402bfbe48940b5a653d4490b99c0a124c6fe1175 (diff) | |
| download | UXP-ec7269ea5c653c64fea9c1d490ca4298673ec13b.tar UXP-ec7269ea5c653c64fea9c1d490ca4298673ec13b.tar.gz UXP-ec7269ea5c653c64fea9c1d490ca4298673ec13b.tar.lz UXP-ec7269ea5c653c64fea9c1d490ca4298673ec13b.tar.xz UXP-ec7269ea5c653c64fea9c1d490ca4298673ec13b.zip | |
Bug 1394286 - mips64: fix error correction about stackpointer within function _NS_InvokeByIndex
Tag: #1542
| -rw-r--r-- | xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_mips64.S | 11 |
1 files changed, 5 insertions, 6 deletions
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 |