[Xen-devel] [PATCH v2 1/4] xen: indicate gcov in log messages

[Wei Liu <wei.liu2@xxxxxxxxxx>]

Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
---
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
Cc: Julien Grall <julien.grall@xxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
 xen/arch/arm/traps.c        | 5 +++--
 xen/arch/x86/x86_64/traps.c | 5 +++--
 xen/drivers/char/console.c  | 5 +++--
 xen/include/xen/lib.h       | 6 ++++++
 4 files changed, 15 insertions(+), 6 deletions(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 683bcb2..3bac8e8 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -141,14 +141,15 @@ static void print_xen_info(void)
 {
     char taint_str[TAINT_STRING_MAX_LEN];
 
-    printk("----[ Xen-%d.%d%s  %s  debug=%c  %s ]----\n",
+    printk("----[ Xen-%d.%d%s  %s  debug=%c gcov=%c  %s ]----\n",
            xen_major_version(), xen_minor_version(), xen_extra_version(),
 #ifdef CONFIG_ARM_32
            "arm32",
 #else
            "arm64",
 #endif
-           debug_build() ? 'y' : 'n', print_tainted(taint_str));
+           debug_build() ? 'y' : 'n', gcov_build() ? 'y' : 'n',
+           print_tainted(taint_str));
 }
 
 #ifdef CONFIG_ARM_32
diff --git a/xen/arch/x86/x86_64/traps.c b/xen/arch/x86/x86_64/traps.c
index 2d8ecf5..0708cc7 100644
--- a/xen/arch/x86/x86_64/traps.c
+++ b/xen/arch/x86/x86_64/traps.c
@@ -30,9 +30,10 @@ static void print_xen_info(void)
 {
     char taint_str[TAINT_STRING_MAX_LEN];
 
-    printk("----[ Xen-%d.%d%s  x86_64  debug=%c  %s ]----\n",
+    printk("----[ Xen-%d.%d%s  x86_64  debug=%c gcov=%c %s ]----\n",
            xen_major_version(), xen_minor_version(), xen_extra_version(),
-           debug_build() ? 'y' : 'n', print_tainted(taint_str));
+           debug_build() ? 'y' : 'n', gcov_build() ? 'y' : 'n',
+           print_tainted(taint_str));
 }
 
 enum context { CTXT_hypervisor, CTXT_pv_guest, CTXT_hvm_guest };
diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
index 650035d..e773076 100644
--- a/xen/drivers/char/console.c
+++ b/xen/drivers/char/console.c
@@ -735,10 +735,11 @@ void __init console_init_preirq(void)
     spin_lock(&console_lock);
     __putstr(xen_banner());
     spin_unlock(&console_lock);
-    printk("Xen version %d.%d%s (%s@%s) (%s) debug=%c %s\n",
+    printk("Xen version %d.%d%s (%s@%s) (%s) debug=%c gcov=%c %s\n",
            xen_major_version(), xen_minor_version(), xen_extra_version(),
            xen_compile_by(), xen_compile_domain(),
-           xen_compiler(), debug_build() ? 'y' : 'n', xen_compile_date());
+           xen_compiler(), debug_build() ? 'y' : 'n',
+           gcov_build() ? 'y' : 'n', xen_compile_date());
     printk("Latest ChangeSet: %s\n", xen_changeset());
 
     if ( opt_sync_console )
diff --git a/xen/include/xen/lib.h b/xen/include/xen/lib.h
index e518adc..464fb05 100644
--- a/xen/include/xen/lib.h
+++ b/xen/include/xen/lib.h
@@ -26,6 +26,12 @@
 #define BUILD_BUG_ON(cond) ((void)BUILD_BUG_ON_ZERO(cond))
 #endif
 
+#ifdef CONFIG_GCOV
+#define gcov_build() 1
+#else
+#define gcov_build() 0
+#endif
+
 #ifndef NDEBUG
 #define ASSERT(p) \
     do { if ( unlikely(!(p)) ) assert_failed(#p); } while (0)
-- 
2.1.4


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