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Re: [libopcodes] Switching manually between print_insn_arm and print_insn_thumb(16|32)
- From: "Dr. David Alan Gilbert" <dave at treblig dot org>
- To: Emmanuel Fleury <fleury at labri dot fr>
- Cc: binutils at sourceware dot org
- Date: Mon, 18 Aug 2014 10:38:39 +0100
- Subject: Re: [libopcodes] Switching manually between print_insn_arm and print_insn_thumb(16|32)
- Authentication-results: sourceware.org; auth=none
- References: <53F1BD49 dot 1050400 at labri dot fr>
* Emmanuel Fleury (firstname.lastname@example.org) wrote:
> I am writing a small disassembler for ARM based on libopcodes. For now,
> I managed to get the full ARM mode to be operational (32 bits
> But, once I get the disassembler_ftype (I simplified the code):
> abfd->arch_info = bfd_scan_arch ("arm");
> this->disassembler_fn = disassembler(abfd);
> How can I switch to thumb mode on demand ?
> I would like to get access to print_insn_thumb(16|32) when needed.
> I also have a second question which is somehow a bit similar. I would
> like to be able to decide what endianness is selected in the abdf
> structure. I tried to access directly to the field and set it:
> (abfd)->xvec->byteorder = BFD_ENDIAN_BIG;
> But, the xvec created by new_bfd() seems to be read-only. Is there a way
> to work around and be able to modify endianness on-the-fly ?
I used the following to do it:
there's also an option you can pass to force thumb mode. I think it's 'force-thumb'
> Emmanuel Fleury
> Computer Science is no more about computers than astronomy is
> about telescopes.
> -- Edsger Dijkstra
-----Open up your eyes, open up your mind, open up your code -------
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