Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-plugins-090222-1' into staging

Testing and plugin updates:

  - include vhost tests in qtest
  - clean-up gcov ephemera in clean/.gitignore
  - lcitool and docker updates
  - mention .editorconfig in devel notes
  - switch Centos8 to Centos Stream 8
  - remove TCG tracing support
  - add coverage plugin using drcov format
  - expand abilities of libinsn.so plugin
  - use correct logging for i386 int cases
  - move reset of plugin data to start of block
  - deprecate ppc6432abi
  - fix TARGET_ABI_FMT_ptr for softmmu builds

# gpg: Signature made Wed 09 Feb 2022 14:13:14 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-testing-and-plugins-090222-1: (28 commits)
  include/exec: fix softmmu version of TARGET_ABI_FMT_lx
  linux-user: Remove the deprecated ppc64abi32 target
  plugins: move reset of plugin data to tb_start
  target/i386: use CPU_LOG_INT for IRQ servicing
  tests/plugins: add instruction matching to libinsn.so
  tests/plugin: allow libinsn.so per-CPU counts
  contrib/plugins: add a drcov plugin
  plugins: add helper functions for coverage plugins
  tracing: excise the tcg related from tracetool
  tracing: remove the trace-tcg includes from the build
  tracing: remove TCG memory access tracing
  docs: remove references to TCG tracing
  tests/tcg/sh4: disable another unreliable test
  tests: Update CentOS 8 container to CentOS Stream 8
  tests/lcitool: Allow lcitool-refresh in out-of-tree builds, too
  gitlab: fall back to commit hash in qemu-setup filename
  docs/devel: mention our .editorconfig
  tests/lcitool: Install libibumad to cover RDMA on Debian based distros
  tests: Manually remove libxml2 on MSYS2 runners
  tests/lcitool: Refresh submodule and remove libxml2
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

5 files changed, 25 insertions, 93 deletions

diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst
index 47a594a3b6..25b1fb8677 100644
--- a/docs/about/deprecated.rst
+++ b/docs/about/deprecated.rst
@@ -403,13 +403,6 @@ The above, converted to the current supported format::
 linux-user mode CPUs
 --------------------
 
-``ppc64abi32`` CPUs (since 5.2)
-'''''''''''''''''''''''''''''''
-
-The ``ppc64abi32`` architecture has a number of issues which regularly
-trip up our CI testing and is suspected to be quite broken. For that
-reason the maintainers strongly suspect no one actually uses it.
-
 MIPS ``I7200`` CPU (since 5.2)
 ''''''''''''''''''''''''''''''
 
diff --git a/docs/about/removed-features.rst b/docs/about/removed-features.rst
index 4c4da20d0f..cb0575fd49 100644
--- a/docs/about/removed-features.rst
+++ b/docs/about/removed-features.rst
@@ -601,6 +601,27 @@ the upstream Linux kernel in 2018, and it has also been dropped from glibc, so
 there is no new Linux development taking place with this architecture. For
 running the old binaries, you can use older versions of QEMU.
 
+``ppc64abi32`` CPUs (removed in 7.0)
+''''''''''''''''''''''''''''''''''''
+
+The ``ppc64abi32`` architecture has a number of issues which regularly
+tripped up the CI testing and was suspected to be quite broken. For that
+reason the maintainers strongly suspected no one actually used it.
+
+
+TCG introspection features
+--------------------------
+
+TCG trace-events (since 6.2)
+''''''''''''''''''''''''''''
+
+The ability to add new TCG trace points had bit rotted and as the
+feature can be replicated with TCG plugins it was removed. If
+any user is currently using this feature and needs help with
+converting to using TCG plugins they should contact the qemu-devel
+mailing list.
+
+
 System emulator devices
 -----------------------
 
diff --git a/docs/devel/style.rst b/docs/devel/style.rst
index 793a8d4280..9e66d133e1 100644
--- a/docs/devel/style.rst
+++ b/docs/devel/style.rst
@@ -12,6 +12,10 @@ patches before submitting.
 Formatting and style
 ********************
 
+The repository includes a ``.editorconfig`` file which can help with
+getting the right settings for your preferred $EDITOR. See
+`<https://editorconfig.org/>`_ for details.
+
 Whitespace
 ==========
 
diff --git a/docs/devel/tracing.rst b/docs/devel/tracing.rst
index 4290ac42ee..ec9a687cfd 100644
--- a/docs/devel/tracing.rst
+++ b/docs/devel/tracing.rst
@@ -413,88 +413,3 @@ disabled, this check will have no performance impact.
         return ptr;
     }
 
-"tcg"
------
-
-Guest code generated by TCG can be traced by defining an event with the "tcg"
-event property. Internally, this property generates two events:
-"<eventname>_trans" to trace the event at translation time, and
-"<eventname>_exec" to trace the event at execution time.
-
-Instead of using these two events, you should instead use the function
-"trace_<eventname>_tcg" during translation (TCG code generation). This function
-will automatically call "trace_<eventname>_trans", and will generate the
-necessary TCG code to call "trace_<eventname>_exec" during guest code execution.
-
-Events with the "tcg" property can be declared in the "trace-events" file with a
-mix of native and TCG types, and "trace_<eventname>_tcg" will gracefully forward
-them to the "<eventname>_trans" and "<eventname>_exec" events. Since TCG values
-are not known at translation time, these are ignored by the "<eventname>_trans"
-event. Because of this, the entry in the "trace-events" file needs two printing
-formats (separated by a comma)::
-
-    tcg foo(uint8_t a1, TCGv_i32 a2) "a1=%d", "a1=%d a2=%d"
-
-For example::
-
-    #include "trace-tcg.h"
-    
-    void some_disassembly_func (...)
-    {
-        uint8_t a1 = ...;
-        TCGv_i32 a2 = ...;
-        trace_foo_tcg(a1, a2);
-    }
-
-This will immediately call::
-
-    void trace_foo_trans(uint8_t a1);
-
-and will generate the TCG code to call::
-
-    void trace_foo(uint8_t a1, uint32_t a2);
-
-"vcpu"
-------
-
-Identifies events that trace vCPU-specific information. It implicitly adds a
-"CPUState*" argument, and extends the tracing print format to show the vCPU
-information. If used together with the "tcg" property, it adds a second
-"TCGv_env" argument that must point to the per-target global TCG register that
-points to the vCPU when guest code is executed (usually the "cpu_env" variable).
-
-The "tcg" and "vcpu" properties are currently only honored in the root
-./trace-events file.
-
-The following example events::
-
-    foo(uint32_t a) "a=%x"
-    vcpu bar(uint32_t a) "a=%x"
-    tcg vcpu baz(uint32_t a) "a=%x", "a=%x"
-
-Can be used as::
-
-    #include "trace-tcg.h"
-    
-    CPUArchState *env;
-    TCGv_ptr cpu_env;
-    
-    void some_disassembly_func(...)
-    {
-        /* trace emitted at this point */
-        trace_foo(0xd1);
-        /* trace emitted at this point */
-        trace_bar(env_cpu(env), 0xd2);
-        /* trace emitted at this point (env) and when guest code is executed (cpu_env) */
-        trace_baz_tcg(env_cpu(env), cpu_env, 0xd3);
-    }
-
-If the translating vCPU has address 0xc1 and code is later executed by vCPU
-0xc2, this would be an example output::
-
-    // at guest code translation
-    foo a=0xd1
-    bar cpu=0xc1 a=0xd2
-    baz_trans cpu=0xc1 a=0xd3
-    // at guest code execution
-    baz_exec cpu=0xc2 a=0xd3
diff --git a/docs/user/main.rst b/docs/user/main.rst
index e08d4be63b..6f2ffa080f 100644
--- a/docs/user/main.rst
+++ b/docs/user/main.rst
@@ -166,7 +166,6 @@ Other binaries
 
 -  user mode (PowerPC)
 
-   * ``qemu-ppc64abi32`` TODO.
    * ``qemu-ppc64`` TODO.
    * ``qemu-ppc`` TODO.