Merge tag 'pull-10.2-maintainer-260925-1' of https://gitlab.com/stsquad/qemu into staging

September maintainer updates (scripts, semihosting, plugins)

 - new gitlab-failure-analysis script
 - tweak checkpath to ignore license in removed lines
 - refactor semihosting to build once
 - add explicit assert to execlog for coverity
 - new uftrace plugin

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* tag 'pull-10.2-maintainer-260925-1' of https://gitlab.com/stsquad/qemu: (24 commits)
  contrib/plugins/uftrace: add documentation
  contrib/plugins/uftrace_symbols.py
  contrib/plugins/uftrace: implement x64 support
  contrib/plugins/uftrace: generate additional files for uftrace
  contrib/plugins/uftrace: implement privilege level tracing
  contrib/plugins/uftrace: implement tracing
  contrib/plugins/uftrace: track callstack
  contrib/plugins/uftrace: define cpu operations and implement aarch64
  contrib/plugins/uftrace: skeleton file
  contrib/plugins/execlog: Explicitly check for qemu_plugin_read_register() failure
  semihosting/arm-compat-semi: compile once in system and per target for user mode
  semihosting/arm-compat-semi: remove dependency on cpu.h
  semihosting/arm-compat-semi: eradicate target_long
  semihosting/arm-compat-semi: replace target_ulong
  semihosting/arm-compat-semi: eradicate sizeof(target_ulong)
  include/semihosting/common-semi: extract common_semi API
  target/{arm, riscv}/common-semi-target: eradicate target_ulong
  target/riscv/common-semi-target: remove sizeof(target_ulong)
  semihosting/arm-compat-semi: change common_semi_sys_exit_extended
  semihosting/guestfd: compile once for system/user
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

Author: rth7680

contrib/plugins/execlog.c

@@ -95,6 +95,7 @@ static void insn_check_regs(CPU *cpu)
 
         g_byte_array_set_size(reg->new, 0);
         sz = qemu_plugin_read_register(reg->handle, reg->new);
+        g_assert(sz > 0);
         g_assert(sz == reg->last->len);
 
         if (memcmp(reg->last->data, reg->new->data, sz)) {

contrib/plugins/meson.build

@@ -1,5 +1,6 @@
 contrib_plugins = ['bbv', 'cache', 'cflow', 'drcov', 'execlog', 'hotblocks',
-                   'hotpages', 'howvec', 'hwprofile', 'ips', 'stoptrigger']
+                   'hotpages', 'howvec', 'hwprofile', 'ips', 'stoptrigger',
+                   'uftrace']
 if host_os != 'windows'
   # lockstep uses socket.h
   contrib_plugins += 'lockstep'