[LTP] [PATCH v2 1/2] lapi/prctl: add more fallback definitions

From: Andrea Cervesato <[email protected]>

Add the following fallback definitions:

- PR_SET_MM
- PR_SET_MM_MAP
- PR_SET_MM_MAP_SIZE
- struct prctl_mm_map

Signed-off-by: Andrea Cervesato <[email protected]>
---
 configure.ac         |  2 ++
 include/lapi/prctl.h | 25 +++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/configure.ac b/configure.ac
index 19fc5e1b8f5f5f94bd797ff2ba4275c29c20cb6c..052b83e048f43b132c59ba393e439a32e2f251d2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -286,6 +286,8 @@ AC_CHECK_TYPES([struct fsxattr],,,[#include <linux/fs.h>])
 
 AC_CHECK_TYPES([struct logical_block_metadata_cap],,,[#include <linux/fs.h>])
 
+AC_CHECK_TYPES([struct prctl_mm_map],,,[#include <sys/prctl.h>])
+
 AC_CHECK_TYPES([struct sockaddr_vm],,,[
 #include <sys/socket.h>
 #include <linux/vm_sockets.h>
diff --git a/include/lapi/prctl.h b/include/lapi/prctl.h
index 8d3ef5c32ef5e2ee7742cc418b4ec40bee8cd661..a681aab499271b618d2e61fb79faf0055b6718dd 100644
--- a/include/lapi/prctl.h
+++ b/include/lapi/prctl.h
@@ -7,6 +7,7 @@
 #ifndef LAPI_PRCTL_H__
 #define LAPI_PRCTL_H__
 
+#include <stdint.h>
 #include <sys/prctl.h>
 
 #ifndef PR_SET_NAME
@@ -59,4 +60,28 @@
 # define PR_SET_SPECULATION_CTRL 53
 #endif
 
+#ifndef PR_SET_MM
+# define PR_SET_MM		35
+#endif
+#ifndef PR_SET_MM_MAP
+# define PR_SET_MM_MAP	14
+#endif
+#ifndef PR_SET_MM_MAP_SIZE
+# define PR_SET_MM_MAP_SIZE	15
+#endif
+
+#if !defined(HAVE_STRUCT_PRCTL_MM_MAP) && !defined(PR_SET_MM_MAP_SIZE)
+struct prctl_mm_map {
+	uint64_t start_code, end_code;
+	uint64_t start_data, end_data;
+	uint64_t start_brk, brk;
+	uint64_t start_stack;
+	uint64_t arg_start, arg_end;
+	uint64_t env_start, env_end;
+	uint64_t *auxv;
+	uint32_t auxv_size;
+	uint32_t exe_fd;
+};
+#endif
+
 #endif /* LAPI_PRCTL_H__ */

-- 
2.51.0


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