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Final fixes for 6.0

Browse source 
- plugins physical address changes
   - syscall tracking plugin
   - plugin kernel-doc comments (without integration)
   - libfdt build fix for guest-loader
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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 2021-03-18 14:57:55 +00:00
commit 6e71c36557
8 changed files with 261 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

2
tests/plugin/meson.build
View file

@ -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)

49
tests/plugin/syscall.c Normal file
View file

@ -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;
}