22 Feb
2017
22 Feb
'17
2:35 a.m.
On 21 Feb 2017, at 10:35, Ronie Salgado roniesalg@gmail.com wrote:
Hello,
I was debugging a strange crash when calling sqrt via a Lowcode instruction in the interpreter, which I tracked to currentBytecode stored in register(EBX), having a very large value. When debugging the generated assembly code with GDB, I noticed that GCC was generating position independent code and using EBX for doing a call without spilling/unspilling its value.
Can you elaborate on the misbehavior? As of the ABI[1] EBX is a local register, can GCC know that EBX has been used for something else?
holger