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plugin: add qemu_plugin_insn_disas helper

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Give the plugins access to the QEMU dissasembler so they don't have to
re-invent the wheel. We generate a warning when there are spare bytes
in the decode buffer. This is usually due to the front end loading in
more bytes than decoded.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Alex Bennée 2019-05-22 10:27:14 +01:00
parent 5901b2e15b
commit cbafa2362a
5 changed files with 130 additions and 1 deletions
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9
include/qemu/qemu-plugin.h
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@ -351,6 +351,15 @@ qemu_plugin_register_vcpu_syscall_ret_cb(qemu_plugin_id_t id,
qemu_plugin_vcpu_syscall_ret_cb_t cb);
/**
* qemu_plugin_insn_disas() - return disassembly string for instruction
* @insn: instruction reference
*
* Returns an allocated string containing the disassembly
*/
char *qemu_plugin_insn_disas(const struct qemu_plugin_insn *insn);
/**
* qemu_plugin_vcpu_for_each() - iterate over the existing vCPU
* @id: plugin ID