Add generation of memory usage report of tee.elf
diff --git a/scripts/mem_usage.awk b/scripts/mem_usage.awk
new file mode 100644
index 0000000..5dae2d0
--- /dev/null
+++ b/scripts/mem_usage.awk
@@ -0,0 +1,128 @@
+#
+# Copyright (c) 2014, Linaro Limited
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+BEGIN {
+ in_shdr = 0;
+ num_sects = 0;
+}
+
+/Section Headers:/ {
+ in_shdr = 1;
+ next;
+}
+
+/Key to Flags:/ {
+ in_shdr = 0;
+ next;
+}
+
+function add_section(_name, _addr, _offs, _size)
+{
+ sects[num_sects]["name"] = _name;
+ sects[num_sects]["addr"] = strtonum("0x" _addr);
+ sects[num_sects]["offs"] = strtonum("0x" _offs);
+ sects[num_sects]["size"] = strtonum("0x" _size);
+ num_sects++;
+}
+
+{
+ if (in_shdr) {
+ if ($1 == "[")
+ name_offs = 3;
+ else
+ name_offs = 2;
+
+ name = $(name_offs);
+ addr = $(name_offs + 2);
+ offs = $(name_offs + 3);
+ size = $(name_offs + 4);
+ flags = $(name_offs + 6);
+
+ if (flags == "AX" || flags == "WA" || flags == "A") {
+ add_section(name, addr, offs, size);
+ }
+ }
+}
+
+function print_sect(_name, _addr, _size, _round_up, _print_num_pages,
+ #local variables
+ _size_kib, _num_pages)
+{
+ if (_size == 0) {
+ _size_kib = 0;
+ _num_pages = 0;
+ } else {
+ if (_round_up) {
+ _size_kib = (_size - 1) / 1024 + 1;
+ } else {
+ _size_kib = _size / 1024;
+ }
+ _num_pages = (_size - 1) / 4096 + 1;
+ }
+
+
+
+ printf "%-16s", _name;
+ printf " %.8X - %.8X", _addr, _addr + _size;
+ printf " size %.8X %3d KiB", _size, _size_kib
+
+ if (_print_num_pages)
+ printf " %d pages", _num_pages;
+ printf "\n";
+}
+
+END {
+ for (i = 0; i < num_sects; i++ ) {
+ addr = sects[i]["addr"];
+
+ if (addr != 0) {
+ first_addr = addr;
+ break;
+ }
+ }
+
+ last_addr = sects[num_sects - 1]["addr"];
+ last_size = sects[num_sects - 1]["size"];
+ ram_usage = last_addr + last_size - first_addr;
+ print_sect("RAM Usage", first_addr, ram_usage, 1, 1);
+
+ last_addr = 0;
+ last_size = 0;
+
+ for (i = 0; i < num_sects; i++ ) {
+ name = sects[i]["name"];
+ addr = sects[i]["addr"];
+ size = sects[i]["size"];
+
+ if (last_addr != 0 && addr != last_addr + last_size)
+ print_sect("*hole*", last_addr + last_size,
+ addr - (last_addr + last_size), 0, 0);
+ print_sect(name, addr, size, 0, 0);
+ last_addr = addr;
+ last_size = size;
+ }
+}