Hi all,
Now I am porting mono to aix,
I met a problem that is,
When convert from decimal to flaot, I found the parameter d of the
mono_decimal_to_float (d=...)
function overlapped, so I can't get the correct content of the parameter.
Prologue of the function:
mono_decimal_to_float (d=...) at decimal-ms.c:2369(which is an Internal Call)
2369 {
=> 0x1021925c <mono_decimal_to_float+0>: 7c 08 02 a6 mflr r0
0x10219260 <mono_decimal_to_float+4>: 90 01 00 08 stw r0,8(r1)
0x10219264 <mono_decimal_to_float+8>: 93 e1 ff fc stw
r31,-4(r1)
0x10219268 <mono_decimal_to_float+12>: 94 21 ff a0 stwu
r1,-96(r1)
0x1021926c <mono_decimal_to_float+16>: 7c 3f 0b 78 mr r31,r1
0x10219270 <mono_decimal_to_float+20>: 90 7f 00 78 stw
r3,120(r31)
0x10219274 <mono_decimal_to_float+24>: 90 9f 00 7c stw
r4,124(r31)
0x10219278 <mono_decimal_to_float+28>: 90 bf 00 80 stw
r5,128(r31)
0x1021927c <mono_decimal_to_float+32>: 90 df 00 84 stw
r6,132(r31)
Parameter d is the MonoDecimal structure,
The address is 0x2ff22700, but when run the instruction stw r3,120(r31),
one filed of 0x2ff22700 populated with
The value 0x2ff22700.
(gdb) info reg r31
r31 0x2ff22690 804398736
Anyone know why this happened?
Why it save the parameter where will overlap the value?
Thank you in advance!
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