[PATCH v7 013/104] tests/tcg/meson.build: test gdb support and introduce gdb_arch

A given target can now declare which gdb architecture it requires.
Also, we add the code to check gdb capabilities, and version.
Tests can use gdb_version.version_compare('>=X.Y') to test this.

Reviewed-by: Manos Pitsidianakis <[email protected]>
Tested-by: Alex Bennée <[email protected]>
Tested-by: Aniket Sahu <[email protected]>
Signed-off-by: Pierrick Bouvier <[email protected]>
---
 tests/tcg/meson.build | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/tests/tcg/meson.build b/tests/tcg/meson.build
index 7b51750b016..3714fe4dc0d 100644
--- a/tests/tcg/meson.build
+++ b/tests/tcg/meson.build
@@ -1,5 +1,11 @@
 env = find_program('env')
 
+gdb_progs = ['gdb-multiarch', 'gdb']
+if config_host.has_key('GDB')
+  gdb_progs = [config_host['GDB'], gdb_progs]
+endif
+gdb = find_program(gdb_progs, required: false)
+
 tcg_tests = {}
 # tcg_tests is a dictionary with following structure:
 #
@@ -7,6 +13,7 @@ tcg_tests = {}
 #   'name_of_target': {
 #     'cc': cross_compiler,
 #     'folder': 'folder_for_test_src_files',
+#     'gdb_arch': 'gdb architecture requirement',
 #     'qemu': emulators['qemu-...'],
 #     'tests': [
 #       {
@@ -34,6 +41,18 @@ tcg_tests = {}
 # declared using 'test_name'.
 # Default name is derived from src if 'exe_name' and 'test_name' are omitted.
 
+gdb_arch_supported = {}
+gdb_version = '0'
+if gdb.found()
+  gdb_version = gdb.version()
+  gdb_arch = run_command(python, files('../../scripts/probe-gdb-support.py'),
+                           gdb,
+                           check: true)
+  foreach arch: gdb_arch.stdout().split()
+    gdb_arch_supported += {arch: true}
+  endforeach
+endif
+
 # plugins come first, as we need to build the list
 test_plugins = {}
 subdir('plugins')
@@ -47,7 +66,7 @@ foreach target, plan: tcg_tests
 
   # return a clear error if user misspell a target entry
   foreach key, _ : plan
-    allowed = ['cc', 'folder', 'qemu', 'tests']
+    allowed = ['cc', 'folder', 'gdb_arch', 'qemu', 'tests']
     if key not in allowed
       error('unknown tcg test plan entry \'' + key + '\' for target ' + target +
             ' (possible: [' + ', '.join(allowed) + '])')
@@ -56,6 +75,7 @@ foreach target, plan: tcg_tests
 
   cc = plan['cc']
   folder = plan['folder']
+  gdb_arch = plan['gdb_arch']
   qemu = plan['qemu']
   tests = plan['tests']
 
-- 
2.43.0