target-i386: Add API to write elf notes to core file

The core file contains register's value. These APIs write registers to
core file, and them will be called in the following patch.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/cpu-all.h b/cpu-all.h
index 76439b4221..a71e88718a 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -541,4 +541,26 @@ static inline bool cpu_paging_enabled(CPUArchState *env)
 }
 #endif
 
+typedef int (*write_core_dump_function)(void *buf, size_t size, void *opaque);
+#if defined(CONFIG_HAVE_CORE_DUMP)
+int cpu_write_elf64_note(write_core_dump_function f, CPUArchState *env,
+                         int cpuid, void *opaque);
+int cpu_write_elf32_note(write_core_dump_function f, CPUArchState *env,
+                         int cpuid, void *opaque);
+#else
+static inline int cpu_write_elf64_note(write_core_dump_function f,
+                                       CPUArchState *env, int cpuid,
+                                       void *opaque)
+{
+    return -1;
+}
+
+static inline int cpu_write_elf32_note(write_core_dump_function f,
+                                       CPUArchState *env, int cpuid,
+                                       void *opaque)
+{
+    return -1;
+}
+#endif
+
 #endif /* CPU_ALL_H */