Re: [Qemu-devel] ARM hosts: code_gen_alloc() maps code buffer on top of libc heap

[Paolo Bonzini]

On 10/28/2011 04:32 PM, Peter Maydell wrote:
> I suspect we need to drop the MAP_FIXED requirement and
> fix the TCG code to cope with emitting code for longer-range
> branches for calls to host fns etc (calls/branches within the
> generated code should be ok to keep using the short-range
> branch insn I think). There is already no guarantee that
> the generated code and the host C code are within short
> branch range of each other...

Does USE_STATIC_CODE_GEN_BUFFER fix it?  Do you know why "Currently it 
is not recommended to allocate big chunks of data in user mode"?

Paolo