Final fixes for 6.0
- plugins physical address changes - syscall tracking plugin - plugin kernel-doc comments (without integration) - libfdt build fix for guest-loader -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEZoWumedRZ7yvyN81+9DbCVqeKkQFAmBRrXsACgkQ+9DbCVqe KkSK1gf+OCHGtOA/ECTldgFnj8pQcZFs7qWLLDaNiI8Oe0Og+2m71lQkZ4SErMC5 MgQvEi+EapddFCxTpHcChmp/e3czexed6eFvIUD0ZXbEFChAifCGZSUtWrU/MCwm hY8QDBK9pVVCgb7HacxzKpjVmjJtI8bjyaRW07ZYzX9/9KYxe6KOfT7/BK1rVWzK aozd9ZkK0qXChCMi6lx5r7RogeN+5Ewvy5WDysjG68QNBKMTwuxF31OGqSYhsmEy UVNUrD+Fymh6OhHYw7/uGk2bHIEMYaUxfNtwecExC/hza+u///fOhhSGuvDmy4eE Dr+Iu44yCvr+QnGQvDoTMyMHCYP3LA== =IYA4 -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/stsquad/tags/pull-misc-6.0-updates-170321-2' into staging Final fixes for 6.0 - plugins physical address changes - syscall tracking plugin - plugin kernel-doc comments (without integration) - libfdt build fix for guest-loader # gpg: Signature made Wed 17 Mar 2021 07:19:23 GMT # gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44 # gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full] # Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44 * remotes/stsquad/tags/pull-misc-6.0-updates-170321-2: hw/core: Only build guest-loader if libfdt is available plugins: Fixes typo in qemu-plugin.h plugins: getting qemu_plugin_get_hwaddr only expose one function prototype plugins: expand kernel-doc for memory query and instrumentation plugins: expand kernel-doc for instruction query and instrumentation plugins: expand inline exec kernel-doc documentation. plugins: add qemu_plugin_id_t to kernel-doc plugins: add qemu_plugin_cb_flags to kernel-doc plugins: expand the typedef kernel-docs for translation plugins: expand the callback typedef kernel-docs plugins: cleanup kernel-doc for qemu_plugin_install plugins: expand kernel-doc for qemu_info_t plugins: Expose physical addresses instead of device offsets plugins: new syscalls plugin utils: Use fixed-point arithmetic in qemu_strtosz Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell
commit
6e71c36557
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@ -122,7 +122,7 @@ static void vcpu_haddr(unsigned int cpu_index, qemu_plugin_meminfo_t meminfo,
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}
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} else {
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if (hwaddr && !qemu_plugin_hwaddr_is_io(hwaddr)) {
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page = (uint64_t) qemu_plugin_hwaddr_device_offset(hwaddr);
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page = (uint64_t) qemu_plugin_hwaddr_phys_addr(hwaddr);
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} else {
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page = vaddr;
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}
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@ -201,7 +201,7 @@ static void vcpu_haddr(unsigned int cpu_index, qemu_plugin_meminfo_t meminfo,
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return;
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} else {
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const char *name = qemu_plugin_hwaddr_device_name(hwaddr);
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uint64_t off = qemu_plugin_hwaddr_device_offset(hwaddr);
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uint64_t off = qemu_plugin_hwaddr_phys_addr(hwaddr);
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bool is_write = qemu_plugin_mem_is_store(meminfo);
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DeviceCounts *counts;
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@ -11,6 +11,11 @@ config GENERIC_LOADER
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bool
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default y
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config GUEST_LOADER
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bool
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default y
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depends on TCG
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config OR_IRQ
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bool
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@ -16,6 +16,7 @@ hwcore_files = files(
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common_ss.add(files('cpu.c'))
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common_ss.add(when: 'CONFIG_FITLOADER', if_true: files('loader-fit.c'))
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common_ss.add(when: 'CONFIG_GENERIC_LOADER', if_true: files('generic-loader.c'))
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common_ss.add(when: ['CONFIG_GUEST_LOADER', fdt], if_true: files('guest-loader.c'))
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common_ss.add(when: 'CONFIG_OR_IRQ', if_true: files('or-irq.c'))
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common_ss.add(when: 'CONFIG_PLATFORM_BUS', if_true: files('platform-bus.c'))
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common_ss.add(when: 'CONFIG_PTIMER', if_true: files('ptimer.c'))
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@ -37,8 +38,6 @@ softmmu_ss.add(files(
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'clock-vmstate.c',
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))
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softmmu_ss.add(when: 'CONFIG_TCG', if_true: files('guest-loader.c'))
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specific_ss.add(when: 'CONFIG_SOFTMMU', if_true: files(
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'machine-qmp-cmds.c',
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'numa.c',
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@ -32,6 +32,9 @@
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#define QEMU_PLUGIN_LOCAL __attribute__((visibility("hidden")))
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#endif
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/**
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* typedef qemu_plugin_id_t - Unique plugin ID
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*/
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typedef uint64_t qemu_plugin_id_t;
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/*
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@ -47,24 +50,32 @@ typedef uint64_t qemu_plugin_id_t;
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extern QEMU_PLUGIN_EXPORT int qemu_plugin_version;
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#define QEMU_PLUGIN_VERSION 0
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#define QEMU_PLUGIN_VERSION 1
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typedef struct {
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/* string describing architecture */
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/**
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* struct qemu_info_t - system information for plugins
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*
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* This structure provides for some limited information about the
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* system to allow the plugin to make decisions on how to proceed. For
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* example it might only be suitable for running on some guest
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* architectures or when under full system emulation.
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*/
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typedef struct qemu_info_t {
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/** @target_name: string describing architecture */
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const char *target_name;
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/** @version: minimum and current plugin API level */
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struct {
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int min;
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int cur;
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} version;
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/* is this a full system emulation? */
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/** @system_emulation: is this a full system emulation? */
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bool system_emulation;
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union {
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/*
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* smp_vcpus may change if vCPUs can be hot-plugged, max_vcpus
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* is the system-wide limit.
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*/
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/** @system: information relevant to system emulation */
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struct {
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/** @system.smp_vcpus: initial number of vCPUs */
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int smp_vcpus;
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/** @system.max_vcpus: maximum possible number of vCPUs */
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int max_vcpus;
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} system;
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};
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@ -77,31 +88,50 @@ typedef struct {
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* @argc: number of arguments
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* @argv: array of arguments (@argc elements)
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*
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* All plugins must export this symbol.
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*
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* Note: Calling qemu_plugin_uninstall() from this function is a bug. To raise
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* an error during install, return !0.
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* All plugins must export this symbol which is called when the plugin
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* is first loaded. Calling qemu_plugin_uninstall() from this function
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* is a bug.
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*
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* Note: @info is only live during the call. Copy any information we
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* want to keep.
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* want to keep. @argv remains valid throughout the lifetime of the
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* loaded plugin.
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*
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* Note: @argv remains valid throughout the lifetime of the loaded plugin.
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* Return: 0 on successful loading, !0 for an error.
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*/
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QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id,
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const qemu_info_t *info,
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int argc, char **argv);
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/*
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* Prototypes for the various callback styles we will be registering
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* in the following functions.
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/**
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* typedef qemu_plugin_simple_cb_t - simple callback
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* @id: the unique qemu_plugin_id_t
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*
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* This callback passes no information aside from the unique @id.
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*/
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typedef void (*qemu_plugin_simple_cb_t)(qemu_plugin_id_t id);
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/**
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* typedef qemu_plugin_udata_cb_t - callback with user data
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* @id: the unique qemu_plugin_id_t
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* @userdata: a pointer to some user data supplied when the callback
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* was registered.
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*/
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typedef void (*qemu_plugin_udata_cb_t)(qemu_plugin_id_t id, void *userdata);
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/**
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* typedef qemu_plugin_vcpu_simple_cb_t - vcpu callback
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* @id: the unique qemu_plugin_id_t
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* @vcpu_index: the current vcpu context
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*/
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typedef void (*qemu_plugin_vcpu_simple_cb_t)(qemu_plugin_id_t id,
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unsigned int vcpu_index);
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/**
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* typedef qemu_plugin_vcpu_udata_cb_t - vcpu callback
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* @vcpu_index: the current vcpu context
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* @userdata: a pointer to some user data supplied when the callback
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* was registered.
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*/
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typedef void (*qemu_plugin_vcpu_udata_cb_t)(unsigned int vcpu_index,
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void *userdata);
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@ -175,17 +205,25 @@ void qemu_plugin_register_vcpu_idle_cb(qemu_plugin_id_t id,
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void qemu_plugin_register_vcpu_resume_cb(qemu_plugin_id_t id,
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qemu_plugin_vcpu_simple_cb_t cb);
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/*
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* Opaque types that the plugin is given during the translation and
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* instrumentation phase.
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*/
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/** struct qemu_plugin_tb - Opaque handle for a translation block */
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struct qemu_plugin_tb;
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/** struct qemu_plugin_insn - Opaque handle for a translated instruction */
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struct qemu_plugin_insn;
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/**
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* enum qemu_plugin_cb_flags - type of callback
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*
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* @QEMU_PLUGIN_CB_NO_REGS: callback does not access the CPU's regs
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* @QEMU_PLUGIN_CB_R_REGS: callback reads the CPU's regs
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* @QEMU_PLUGIN_CB_RW_REGS: callback reads and writes the CPU's regs
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*
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* Note: currently unused, plugins cannot read or change system
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* register state.
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*/
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enum qemu_plugin_cb_flags {
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QEMU_PLUGIN_CB_NO_REGS, /* callback does not access the CPU's regs */
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QEMU_PLUGIN_CB_R_REGS, /* callback reads the CPU's regs */
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QEMU_PLUGIN_CB_RW_REGS, /* callback reads and writes the CPU's regs */
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QEMU_PLUGIN_CB_NO_REGS,
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QEMU_PLUGIN_CB_R_REGS,
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QEMU_PLUGIN_CB_RW_REGS,
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};
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enum qemu_plugin_mem_rw {
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@ -194,6 +232,14 @@ enum qemu_plugin_mem_rw {
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QEMU_PLUGIN_MEM_RW,
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};
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/**
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* typedef qemu_plugin_vcpu_tb_trans_cb_t - translation callback
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* @id: unique plugin id
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* @tb: opaque handle used for querying and instrumenting a block.
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*/
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typedef void (*qemu_plugin_vcpu_tb_trans_cb_t)(qemu_plugin_id_t id,
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struct qemu_plugin_tb *tb);
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/**
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* qemu_plugin_register_vcpu_tb_trans_cb() - register a translate cb
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* @id: plugin ID
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@ -206,14 +252,11 @@ enum qemu_plugin_mem_rw {
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* callbacks to be triggered when the block or individual instruction
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* executes.
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*/
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typedef void (*qemu_plugin_vcpu_tb_trans_cb_t)(qemu_plugin_id_t id,
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struct qemu_plugin_tb *tb);
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void qemu_plugin_register_vcpu_tb_trans_cb(qemu_plugin_id_t id,
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qemu_plugin_vcpu_tb_trans_cb_t cb);
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/**
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* qemu_plugin_register_vcpu_tb_trans_exec_cb() - register execution callback
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* qemu_plugin_register_vcpu_tb_exec_cb() - register execution callback
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* @tb: the opaque qemu_plugin_tb handle for the translation
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* @cb: callback function
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* @flags: does the plugin read or write the CPU's registers?
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@ -226,12 +269,20 @@ void qemu_plugin_register_vcpu_tb_exec_cb(struct qemu_plugin_tb *tb,
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enum qemu_plugin_cb_flags flags,
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void *userdata);
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/**
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* enum qemu_plugin_op - describes an inline op
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*
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* @QEMU_PLUGIN_INLINE_ADD_U64: add an immediate value uint64_t
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*
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* Note: currently only a single inline op is supported.
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*/
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enum qemu_plugin_op {
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QEMU_PLUGIN_INLINE_ADD_U64,
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};
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/**
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* qemu_plugin_register_vcpu_tb_trans_exec_inline() - execution inline op
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* qemu_plugin_register_vcpu_tb_exec_inline() - execution inline op
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* @tb: the opaque qemu_plugin_tb handle for the translation
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* @op: the type of qemu_plugin_op (e.g. ADD_U64)
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* @ptr: the target memory location for the op
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@ -240,6 +291,9 @@ enum qemu_plugin_op {
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* Insert an inline op to every time a translated unit executes.
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* Useful if you just want to increment a single counter somewhere in
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* memory.
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*
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* Note: ops are not atomic so in multi-threaded/multi-smp situations
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* you will get inexact results.
|
||||
*/
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void qemu_plugin_register_vcpu_tb_exec_inline(struct qemu_plugin_tb *tb,
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enum qemu_plugin_op op,
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|
|
@ -262,7 +316,6 @@ void qemu_plugin_register_vcpu_insn_exec_cb(struct qemu_plugin_insn *insn,
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|||
/**
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||||
* qemu_plugin_register_vcpu_insn_exec_inline() - insn execution inline op
|
||||
* @insn: the opaque qemu_plugin_insn handle for an instruction
|
||||
* @cb: callback function
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* @op: the type of qemu_plugin_op (e.g. ADD_U64)
|
||||
* @ptr: the target memory location for the op
|
||||
* @imm: the op data (e.g. 1)
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||||
|
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@ -274,41 +327,114 @@ void qemu_plugin_register_vcpu_insn_exec_inline(struct qemu_plugin_insn *insn,
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|||
enum qemu_plugin_op op,
|
||||
void *ptr, uint64_t imm);
|
||||
|
||||
/*
|
||||
* Helpers to query information about the instructions in a block
|
||||
/**
|
||||
* qemu_plugin_tb_n_insns() - query helper for number of insns in TB
|
||||
* @tb: opaque handle to TB passed to callback
|
||||
*
|
||||
* Returns: number of instructions in this block
|
||||
*/
|
||||
size_t qemu_plugin_tb_n_insns(const struct qemu_plugin_tb *tb);
|
||||
|
||||
/**
|
||||
* qemu_plugin_tb_vaddr() - query helper for vaddr of TB start
|
||||
* @tb: opaque handle to TB passed to callback
|
||||
*
|
||||
* Returns: virtual address of block start
|
||||
*/
|
||||
uint64_t qemu_plugin_tb_vaddr(const struct qemu_plugin_tb *tb);
|
||||
|
||||
/**
|
||||
* qemu_plugin_tb_get_insn() - retrieve handle for instruction
|
||||
* @tb: opaque handle to TB passed to callback
|
||||
* @idx: instruction number, 0 indexed
|
||||
*
|
||||
* The returned handle can be used in follow up helper queries as well
|
||||
* as when instrumenting an instruction. It is only valid for the
|
||||
* lifetime of the callback.
|
||||
*
|
||||
* Returns: opaque handle to instruction
|
||||
*/
|
||||
struct qemu_plugin_insn *
|
||||
qemu_plugin_tb_get_insn(const struct qemu_plugin_tb *tb, size_t idx);
|
||||
|
||||
/**
|
||||
* qemu_plugin_insn_data() - return ptr to instruction data
|
||||
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
||||
*
|
||||
* Note: data is only valid for duration of callback. See
|
||||
* qemu_plugin_insn_size() to calculate size of stream.
|
||||
*
|
||||
* Returns: pointer to a stream of bytes containing the value of this
|
||||
* instructions opcode.
|
||||
*/
|
||||
const void *qemu_plugin_insn_data(const struct qemu_plugin_insn *insn);
|
||||
|
||||
/**
|
||||
* qemu_plugin_insn_size() - return size of instruction
|
||||
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
||||
*
|
||||
* Returns: size of instruction in bytes
|
||||
*/
|
||||
size_t qemu_plugin_insn_size(const struct qemu_plugin_insn *insn);
|
||||
|
||||
/**
|
||||
* qemu_plugin_insn_vaddr() - return vaddr of instruction
|
||||
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
||||
*
|
||||
* Returns: virtual address of instruction
|
||||
*/
|
||||
uint64_t qemu_plugin_insn_vaddr(const struct qemu_plugin_insn *insn);
|
||||
|
||||
/**
|
||||
* qemu_plugin_insn_haddr() - return hardware addr of instruction
|
||||
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
||||
*
|
||||
* Returns: hardware (physical) target address of instruction
|
||||
*/
|
||||
void *qemu_plugin_insn_haddr(const struct qemu_plugin_insn *insn);
|
||||
|
||||
/*
|
||||
* Memory Instrumentation
|
||||
/**
|
||||
* typedef qemu_plugin_meminfo_t - opaque memory transaction handle
|
||||
*
|
||||
* The anonymous qemu_plugin_meminfo_t and qemu_plugin_hwaddr types
|
||||
* can be used in queries to QEMU to get more information about a
|
||||
* given memory access.
|
||||
* This can be further queried using the qemu_plugin_mem_* query
|
||||
* functions.
|
||||
*/
|
||||
typedef uint32_t qemu_plugin_meminfo_t;
|
||||
/** struct qemu_plugin_hwaddr - opaque hw address handle */
|
||||
struct qemu_plugin_hwaddr;
|
||||
|
||||
/* meminfo queries */
|
||||
/**
|
||||
* qemu_plugin_mem_size_shift() - get size of access
|
||||
* @info: opaque memory transaction handle
|
||||
*
|
||||
* Returns: size of access in ^2 (0=byte, 1=16bit, 2=32bit etc...)
|
||||
*/
|
||||
unsigned int qemu_plugin_mem_size_shift(qemu_plugin_meminfo_t info);
|
||||
/**
|
||||
* qemu_plugin_mem_is_sign_extended() - was the access sign extended
|
||||
* @info: opaque memory transaction handle
|
||||
*
|
||||
* Returns: true if it was, otherwise false
|
||||
*/
|
||||
bool qemu_plugin_mem_is_sign_extended(qemu_plugin_meminfo_t info);
|
||||
/**
|
||||
* qemu_plugin_mem_is_big_endian() - was the access big endian
|
||||
* @info: opaque memory transaction handle
|
||||
*
|
||||
* Returns: true if it was, otherwise false
|
||||
*/
|
||||
bool qemu_plugin_mem_is_big_endian(qemu_plugin_meminfo_t info);
|
||||
/**
|
||||
* qemu_plugin_mem_is_store() - was the access a store
|
||||
* @info: opaque memory transaction handle
|
||||
*
|
||||
* Returns: true if it was, otherwise false
|
||||
*/
|
||||
bool qemu_plugin_mem_is_store(qemu_plugin_meminfo_t info);
|
||||
|
||||
/*
|
||||
* qemu_plugin_get_hwaddr():
|
||||
/**
|
||||
* qemu_plugin_get_hwaddr() - return handle for memory operation
|
||||
* @info: opaque memory info structure
|
||||
* @vaddr: the virtual address of the memory operation
|
||||
*
|
||||
* For system emulation returns a qemu_plugin_hwaddr handle to query
|
||||
|
|
@ -323,12 +449,30 @@ struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
|
|||
uint64_t vaddr);
|
||||
|
||||
/*
|
||||
* The following additional queries can be run on the hwaddr structure
|
||||
* to return information about it. For non-IO accesses the device
|
||||
* offset will be into the appropriate block of RAM.
|
||||
* The following additional queries can be run on the hwaddr structure to
|
||||
* return information about it - namely whether it is for an IO access and the
|
||||
* physical address associated with the access.
|
||||
*/
|
||||
|
||||
/**
|
||||
* qemu_plugin_hwaddr_is_io() - query whether memory operation is IO
|
||||
* @haddr: address handle from qemu_plugin_get_hwaddr()
|
||||
*
|
||||
* Returns true if the handle's memory operation is to memory-mapped IO, or
|
||||
* false if it is to RAM
|
||||
*/
|
||||
bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr);
|
||||
uint64_t qemu_plugin_hwaddr_device_offset(const struct qemu_plugin_hwaddr *haddr);
|
||||
|
||||
/**
|
||||
* qemu_plugin_hwaddr_phys_addr() - query physical address for memory operation
|
||||
* @haddr: address handle from qemu_plugin_get_hwaddr()
|
||||
*
|
||||
* Returns the physical address associated with the memory operation
|
||||
*
|
||||
* Note that the returned physical address may not be unique if you are dealing
|
||||
* with multiple address spaces.
|
||||
*/
|
||||
uint64_t qemu_plugin_hwaddr_phys_addr(const struct qemu_plugin_hwaddr *haddr);
|
||||
|
||||
/*
|
||||
* Returns a string representing the device. The string is valid for
|
||||
|
|
|
|||
|
|
@ -40,6 +40,7 @@
|
|||
#include "sysemu/sysemu.h"
|
||||
#include "tcg/tcg.h"
|
||||
#include "exec/exec-all.h"
|
||||
#include "exec/ram_addr.h"
|
||||
#include "disas/disas.h"
|
||||
#include "plugin.h"
|
||||
#ifndef CONFIG_USER_ONLY
|
||||
|
|
@ -265,10 +266,12 @@ bool qemu_plugin_mem_is_store(qemu_plugin_meminfo_t info)
|
|||
|
||||
#ifdef CONFIG_SOFTMMU
|
||||
static __thread struct qemu_plugin_hwaddr hwaddr_info;
|
||||
#endif
|
||||
|
||||
struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
|
||||
uint64_t vaddr)
|
||||
{
|
||||
#ifdef CONFIG_SOFTMMU
|
||||
CPUState *cpu = current_cpu;
|
||||
unsigned int mmu_idx = info >> TRACE_MEM_MMU_SHIFT;
|
||||
hwaddr_info.is_store = info & TRACE_MEM_ST;
|
||||
|
|
@ -280,14 +283,10 @@ struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
|
|||
}
|
||||
|
||||
return &hwaddr_info;
|
||||
}
|
||||
#else
|
||||
struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
|
||||
uint64_t vaddr)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr)
|
||||
{
|
||||
|
|
@ -298,19 +297,25 @@ bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr)
|
|||
#endif
|
||||
}
|
||||
|
||||
uint64_t qemu_plugin_hwaddr_device_offset(const struct qemu_plugin_hwaddr *haddr)
|
||||
uint64_t qemu_plugin_hwaddr_phys_addr(const struct qemu_plugin_hwaddr *haddr)
|
||||
{
|
||||
#ifdef CONFIG_SOFTMMU
|
||||
if (haddr) {
|
||||
if (!haddr->is_io) {
|
||||
ram_addr_t ram_addr = qemu_ram_addr_from_host((void *) haddr->v.ram.hostaddr);
|
||||
if (ram_addr == RAM_ADDR_INVALID) {
|
||||
RAMBlock *block;
|
||||
ram_addr_t offset;
|
||||
void *hostaddr = (void *) haddr->v.ram.hostaddr;
|
||||
|
||||
block = qemu_ram_block_from_host(hostaddr, false, &offset);
|
||||
if (!block) {
|
||||
error_report("Bad ram pointer %"PRIx64"", haddr->v.ram.hostaddr);
|
||||
abort();
|
||||
}
|
||||
return ram_addr;
|
||||
|
||||
return block->offset + offset + block->mr->addr;
|
||||
} else {
|
||||
return haddr->v.io.offset;
|
||||
MemoryRegionSection *mrs = haddr->v.io.section;
|
||||
return haddr->v.io.offset + mrs->mr->addr;
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
|
|
|||
|
|
@ -1,5 +1,5 @@
|
|||
t = []
|
||||
foreach i : ['bb', 'empty', 'insn', 'mem']
|
||||
foreach i : ['bb', 'empty', 'insn', 'mem', 'syscall']
|
||||
t += shared_module(i, files(i + '.c'),
|
||||
include_directories: '../../include/qemu',
|
||||
dependencies: glib)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,49 @@
|
|||
/*
|
||||
* Copyright (C) 2020, Matthias Weckbecker <matthias@weckbecker.name>
|
||||
*
|
||||
* License: GNU GPL, version 2 or later.
|
||||
* See the COPYING file in the top-level directory.
|
||||
*/
|
||||
#include <inttypes.h>
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <unistd.h>
|
||||
#include <stdio.h>
|
||||
#include <glib.h>
|
||||
|
||||
#include <qemu-plugin.h>
|
||||
|
||||
QEMU_PLUGIN_EXPORT int qemu_plugin_version = QEMU_PLUGIN_VERSION;
|
||||
|
||||
static void vcpu_syscall(qemu_plugin_id_t id, unsigned int vcpu_index,
|
||||
int64_t num, uint64_t a1, uint64_t a2,
|
||||
uint64_t a3, uint64_t a4, uint64_t a5,
|
||||
uint64_t a6, uint64_t a7, uint64_t a8)
|
||||
{
|
||||
g_autofree gchar *out = g_strdup_printf("syscall #%" PRIi64 "\n", num);
|
||||
qemu_plugin_outs(out);
|
||||
}
|
||||
|
||||
static void vcpu_syscall_ret(qemu_plugin_id_t id, unsigned int vcpu_idx,
|
||||
int64_t num, int64_t ret)
|
||||
{
|
||||
g_autofree gchar *out;
|
||||
out = g_strdup_printf("syscall #%" PRIi64 " returned -> %" PRIi64 "\n",
|
||||
num, ret);
|
||||
qemu_plugin_outs(out);
|
||||
}
|
||||
|
||||
/* ************************************************************************* */
|
||||
|
||||
static void plugin_exit(qemu_plugin_id_t id, void *p) {}
|
||||
|
||||
QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id,
|
||||
const qemu_info_t *info,
|
||||
int argc, char **argv)
|
||||
{
|
||||
qemu_plugin_register_vcpu_syscall_cb(id, vcpu_syscall);
|
||||
qemu_plugin_register_vcpu_syscall_ret_cb(id, vcpu_syscall_ret);
|
||||
qemu_plugin_register_atexit_cb(id, plugin_exit, NULL);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue