qemu: Introduce target_long_bits()

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

4 files changed, 15 insertions, 0 deletions

diff --git a/include/qemu/target-info-impl.h b/include/qemu/target-info-impl.h
index 76766eeaae..1b51cbcfe1 100644
--- a/include/qemu/target-info-impl.h
+++ b/include/qemu/target-info-impl.h
@@ -14,6 +14,8 @@
 typedef struct TargetInfo {
     /* runtime equivalent of TARGET_NAME definition */
     const char *target_name;
+    /* runtime equivalent of TARGET_LONG_BITS definition */
+    unsigned long_bits;
     /* runtime equivalent of CPU_RESOLVING_TYPE definition */
     const char *cpu_type;
     /* QOM typename machines for this binary must implement */
diff --git a/include/qemu/target-info.h b/include/qemu/target-info.h
index 2b6ccabb11..850a2958b9 100644
--- a/include/qemu/target-info.h
+++ b/include/qemu/target-info.h
@@ -17,6 +17,13 @@
 const char *target_name(void);
 
 /**
+ * target_long_bits:
+ *
+ * Returns: number of bits in a long type for this target (i.e. 64).
+ */
+unsigned target_long_bits(void);
+
+/**
  * target_machine_typename:
  *
  * Returns: Name of the QOM interface implemented by machines
diff --git a/target-info-stub.c b/target-info-stub.c
index 86da297277..fecc0e7128 100644
--- a/target-info-stub.c
+++ b/target-info-stub.c
@@ -14,6 +14,7 @@
 
 static const TargetInfo target_info_stub = {
     .target_name = TARGET_NAME,
+    .long_bits = TARGET_LONG_BITS,
     .cpu_type = CPU_RESOLVING_TYPE,
     .machine_typename = TYPE_MACHINE,
 };
diff --git a/target-info.c b/target-info.c
index 5f5ef1f932..16fdca7aaa 100644
--- a/target-info.c
+++ b/target-info.c
@@ -15,6 +15,11 @@ const char *target_name(void)
     return target_info()->target_name;
 }
 
+unsigned target_long_bits(void)
+{
+    return target_info()->long_bits;
+}
+
 const char *target_cpu_type(void)
 {
     return target_info()->cpu_type;