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Re: [Qemu-devel] Translation block identification.
From: |
Alex Bennée |
Subject: |
Re: [Qemu-devel] Translation block identification. |
Date: |
Tue, 01 May 2018 11:04:49 +0100 |
User-agent: |
mu4e 1.1.0; emacs 26.1 |
Rafael Kioji <address@hidden> writes:
> Dear all,
>
> During translation how can I identify what is the basic block of the
> guest code? I wanted to know whether the block being translated is the
> beginning of a function and get its name.
>
> My current approach involves looking up the symbol associated with the
> first PC of the translation block. But no symbol is ever found. What I
> did was to add the following code in the function "translator_loop" at
> "accel/tcg/translator.c":
>
> printf("sym: %lu %s\n", tb->pc, lookup_symbol(tb->pc));
>
> The function lookup_symbol is defined in the file "./disas.c". I am
> compiling my application with symbols (-g). My target arch is ARM.
If you run QEMU with the debug flags you should see name resolution for
each basic block. e.g.
qemu-arm -d in_asm prog
--
Alex Bennée