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arm-dis: Include opcode hex when doing disassembly 

Enhance the ARM disassembler used for debugging so that it includes
the hex dump of the opcode as well as the symbolic disassembly.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Peter Maydell 2011-01-10 16:16:26 +00:00 committed by Aurelien Jarno
parent 5677903453
commit 5d48e9174e
1 changed files with 24 additions and 0 deletions
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24
arm-dis.c
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@ -4101,6 +4101,30 @@ print_insn_arm (bfd_vma pc, struct disassemble_info *info)
addresses, since the addend is not currently pc-relative. */
pc = 0;
/* We include the hexdump of the instruction. The format here
matches that used by objdump and the ARM ARM (in particular,
32 bit Thumb instructions are displayed as pairs of halfwords,
not as a single word.) */
if (is_thumb)
{
if (size == 2)
{
info->fprintf_func(info->stream, "%04lx ",
((unsigned long)given) & 0xffff);
}
else
{
info->fprintf_func(info->stream, "%04lx %04lx ",
(((unsigned long)given) >> 16) & 0xffff,
((unsigned long)given) & 0xffff);
}
}
else
{
info->fprintf_func(info->stream, "%08lx ",
((unsigned long)given) & 0xffffffff);
}
printer (pc, info, given);
if (is_thumb)