[PATCH v7 023/104] tests/tcg/meson.build: introduce gdb_feat and gdb_feat_version

Similar to cc features, we declare the same for gdb. With both
available, we can now declare all tests inconditionally.

Tested-by: Alex Bennée <[email protected]>
Reviewed-by: Manos Pitsidianakis <[email protected]>
Tested-by: Aniket Sahu <[email protected]>
Signed-off-by: Pierrick Bouvier <[email protected]>
---
 tests/tcg/meson.build | 29 ++++++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/tests/tcg/meson.build b/tests/tcg/meson.build
index 4487d61ef6c..7384786f7f8 100644
--- a/tests/tcg/meson.build
+++ b/tests/tcg/meson.build
@@ -26,6 +26,10 @@ tcg_tests = {}
 #     },
 #     'folder': 'folder_for_test_src_files',
 #     'gdb_arch': 'gdb architecture requirement',
+#     'gdb_feat_version': {
+#       'name': ['minimal gdb version supporting feature'],
+#       ...
+#     },
 #     'qemu': emulators['qemu-...'],
 #     'tests': [
 #       {
@@ -37,6 +41,7 @@ tcg_tests = {}
 #           'qemu_args': ['qemu command line flags', ...],
 #           'expected_output': 'file_to_compare_output',
 #           'gdb_test': ['gdb test args'],
+#           'gdb_feat': ['feature name, must be present in gdb_feat_version'],
 #           'env_var': ['VAR=value', ...],
 #           'wrapper': [program_to_launch_test, 'args'...],
 #           'plugin_test': {
@@ -83,7 +88,8 @@ foreach target, plan: tcg_tests
 
   # return a clear error if user misspell a target entry
   foreach key, _ : plan
-    allowed = ['cc', 'cc_feat_cflags', 'folder', 'gdb_arch', 'qemu', 'tests']
+    allowed = ['cc', 'cc_feat_cflags', 'folder', 'gdb_arch', 'gdb_feat_version',
+               'qemu', 'tests']
     if key not in allowed
       error('unknown tcg test plan entry \'' + key + '\' for target ' + target +
             ' (possible: [' + ', '.join(allowed) + '])')
@@ -98,6 +104,11 @@ foreach target, plan: tcg_tests
   if 'cc_feat_cflags' in plan
     cc_feat_cflags = plan['cc_feat_cflags']
   endif
+  gdb_feat_version = {}
+  if 'gdb_feat_version' in plan
+    gdb_feat_version = plan['gdb_feat_version']
+  endif
+
   tests = plan['tests']
 
   foreach t : tests
@@ -105,8 +116,8 @@ foreach target, plan: tcg_tests
       # return a clear error if user misspell a setup entry
       foreach key, _ : setup
         allowed = ['exe_name', 'env_var', 'expected_output', 'cc_feat', 'cflags',
-                   'gdb_test', 'plugin_test', 'qemu_args', 'test_name',
-                   'wrapper']
+                   'gdb_feat', 'gdb_test', 'plugin_test', 'qemu_args',
+                   'test_name', 'wrapper']
         if key not in allowed
           error('unknown tcg setup entry \'' + key + '\' for test ' + src +
                 ' (possible: [' + ', '.join(allowed) + '])')
@@ -261,6 +272,18 @@ foreach target, plan: tcg_tests
         cmd = [setup['env_var'], cmd]
       endif
 
+      if 'gdb_feat' in setup
+        if 'gdb_test' not in setup
+          error('test ' + test_name + ' is not a gdb test, but it requires ' +
+                'a gdb feature')
+        endif
+        gdb_feat = setup['gdb_feat']
+
+        if not gdb_version.version_compare('>=' + gdb_feat_version[gdb_feat])
+          skip_test = 'gdb feature ' + gdb_feat + ' not supported'
+        endif
+      endif
+
       if skip_test != ''
         # still declare test, but skip it and print reason
         cmd = ['sh', '-c', 'echo "' + skip_test + '" && exit 77']
-- 
2.43.0