pre strip down

1 files changed, 92 insertions, 0 deletions

diff --git a/include/pmparser.h b/include/pmparser.h
new file mode 100644
index 0000000..02089c7
--- /dev/null
+++ b/include/pmparser.h
@@ -0,0 +1,92 @@
+/*
+ @Author	: ouadimjamal@gmail.com
+ @date		: December 2015
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.  No representations are made about the suitability of this
+software for any purpose.  It is provided "as is" without express or
+implied warranty.
+
+ */
+
+#ifndef H_PMPARSER
+#define H_PMPARSER
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <linux/limits.h>
+#include <plugin.h>
+
+//maximum line length in a procmaps file
+#define PROCMAPS_LINE_MAX_LENGTH  (PATH_MAX + 100) 
+/**
+ * procmaps_struct
+ * @desc hold all the information about an area in the process's  VM
+ */
+typedef struct procmaps_struct{
+	char* addr_start; 	//< start address of the area
+	char* addr_end; 	//< end address
+	unsigned long length; //< size of the range
+
+	char perm[5];		//< permissions rwxp
+	short is_r;			//< rewrote of perm with short flags
+	short is_w;
+	short is_x;
+	short is_p;
+
+	long offset;	//< offset
+	char dev[12];	//< dev major:minor
+	int inode;		//< inode of the file that backs the area
+
+	char pathname[600];		//< the path of the file that backs the area
+	//chained list
+	struct procmaps_struct* next;		//<handler of the chinaed list
+} procmaps_struct;
+
+/**
+ * procmaps_iterator
+ * @desc holds iterating information
+ */
+typedef struct procmaps_iterator{
+	procmaps_struct* head;
+	procmaps_struct* current;
+} procmaps_iterator;
+/**
+ * pmparser_parse
+ * @param pid the process id whose memory map to be parser. the current process if pid<0
+ * @return an iterator over all the nodes
+ */
+procmaps_iterator* pmparser_parse(csnd::Csound* csound, int pid);
+
+/**
+ * pmparser_next
+ * @description move between areas
+ * @param p_procmaps_it the iterator to move on step in the chained list
+ * @return a procmaps structure filled with information about this VM area
+ */
+procmaps_struct* pmparser_next(procmaps_iterator* p_procmaps_it);
+/**
+ * pmparser_free
+ * @description should be called at the end to free the resources
+ * @param p_procmaps_it the iterator structure returned by pmparser_parse
+ */
+void pmparser_free(csnd::Csound* csound, procmaps_iterator* p_procmaps_it);
+
+/**
+ * _pmparser_split_line
+ * @description internal usage
+ */
+void _pmparser_split_line(char*buf,char*addr1,char*addr2,char*perm, char* offset, char* device,char*inode,char* pathname);
+
+
+
+
+#endif