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author | Paolo Bonzini <pbonzini@redhat.com> | 2012-10-24 11:12:21 +0200 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2012-12-19 08:29:06 +0100 |
commit | 76cad71136b7eb371cf2a2a4e1621cfe8d9c769a (patch) | |
tree | 88d6951ea0620e95d2bad4d458f2c51147b4218b /disas/tci.c | |
parent | c1c9367216c97ca93de79e90822045a425d7e76d (diff) | |
download | qemu-76cad71136b7eb371cf2a2a4e1621cfe8d9c769a.zip qemu-76cad71136b7eb371cf2a2a4e1621cfe8d9c769a.tar.gz qemu-76cad71136b7eb371cf2a2a4e1621cfe8d9c769a.tar.bz2 |
build: kill libdis, move disassemblers to disas/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'disas/tci.c')
-rw-r--r-- | disas/tci.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/disas/tci.c b/disas/tci.c new file mode 100644 index 0000000..a606b63 --- /dev/null +++ b/disas/tci.c @@ -0,0 +1,59 @@ +/* + * Tiny Code Interpreter for QEMU - disassembler + * + * Copyright (c) 2011 Stefan Weil + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "disas/bfd.h" +#include "tcg/tcg.h" + +/* Disassemble TCI bytecode. */ +int print_insn_tci(bfd_vma addr, disassemble_info *info) +{ + int length; + uint8_t byte; + int status; + TCGOpcode op; + + status = info->read_memory_func(addr, &byte, 1, info); + if (status != 0) { + info->memory_error_func(status, addr, info); + return -1; + } + op = byte; + + addr++; + status = info->read_memory_func(addr, &byte, 1, info); + if (status != 0) { + info->memory_error_func(status, addr, info); + return -1; + } + length = byte; + + if (op >= tcg_op_defs_max) { + info->fprintf_func(info->stream, "illegal opcode %d", op); + } else { + const TCGOpDef *def = &tcg_op_defs[op]; + int nb_oargs = def->nb_oargs; + int nb_iargs = def->nb_iargs; + int nb_cargs = def->nb_cargs; + /* TODO: Improve disassembler output. */ + info->fprintf_func(info->stream, "%s\to=%d i=%d c=%d", + def->name, nb_oargs, nb_iargs, nb_cargs); + } + + return length; +} |