script: add new toolchain clang+llvm supported [3/28]

PD#SWPL-90928

Problem:
modified the build script supported.

Solution:
modified the build script supported.

Verify:
N/A

Change-Id: Iad156fa4c952346fe75f53805b6400aa2328d487
Signed-off-by: xiaohu.huang <xiaohu.huang@amlogic.com>
diff --git a/map_analyzer_clang_llvm.py b/map_analyzer_clang_llvm.py
new file mode 100755
index 0000000..4d54e0a
--- /dev/null
+++ b/map_analyzer_clang_llvm.py
@@ -0,0 +1,142 @@
+#!/usr/bin/python3
+#coding:utf-8
+#
+# Copyright (c) 2021-2022 Amlogic, Inc. All rights reserved.
+#
+# SPDX-License-Identifier: MIT
+#
+
+
+from __future__ import print_function
+
+import sys
+import os
+import argparse
+import operator
+
+parser = argparse.ArgumentParser(description='total size of each object file in an ld linker map.')
+parser.add_argument('map_file', help="A map file generated by passing -M/--print-map to ld during linking.")
+parser.add_argument('--combine', action='store_true',
+                    help="All object files in an .a archive or in a directory are combined")
+args = parser.parse_args()
+
+class SectionSize():
+    text = 0
+    data = 0  # Including metadata like import tables
+    bss = 0
+    customize = 0
+    def rom(self):
+        return self.text + self.data
+    def ram(self):
+        return self.data + self.bss
+    def total(self):
+        return self.text + self.data + self.bss
+    def add_clang_llvm_section(self, section, size):
+        if section == ".text":
+            self.text += size
+        elif section == ".bss":
+            self.bss += size
+        elif section == ".data" or section == ".rodata":
+            self.data += size
+        else:
+            if (size > 0):
+                print("customer section:%s, size:%d" % (section, size))
+                self.customize += size
+
+size_by_source = {}
+current_section = None
+last_section = None
+last_source = None
+current_addr = 0x00;
+last_addr = "0"
+size = 0x00;
+last_size = 0x00;
+last_real_size = 0x00;
+heap = 0
+stack = 0
+with open(args.map_file) as f:
+    print("clang+llvm toolchain map analyzer")
+    lines = iter(f)
+    for line in lines:
+        line = line.strip('\n')
+
+        if operator.contains(line, ":(.debug_") or operator.contains(line, ":(.comment"):
+            continue
+        elif operator.contains(line, ":(.shstrtab") or operator.contains(line, ":(.symtab") or operator.contains(line, ":(.strtab"):
+            continue
+        elif (line.endswith(".text")) or (line.endswith(".data")) or (line.endswith(".rodata")) or (line.endswith(".bss")):
+            pieces = line.split(None, 5)
+            current_section = pieces[4]
+        elif operator.contains(line, ":(.") \
+            or operator.contains(line, ".heap") \
+            or operator.contains(line, ".stack") \
+            or operator.contains(line, ":(.text") \
+            or operator.contains(line, ":(.data") \
+            or operator.contains(line, ":(.bss") \
+            or operator.contains(line, ":(.rodata."):
+            pieces = line.split(None, 5)  # Don't split paths containing spaces
+            size = int(pieces[2], 16)
+            source = pieces[4]
+            current_addr = pieces[1]
+            if operator.contains(line, '.heap'):
+                heap += size
+            elif operator.contains(line, '.stack'):
+                stack += size
+
+            if args.combine:
+                if '.a(' in source:
+                    source = source[:source.index('.a(') + 2]
+                elif '.dir' in source:
+                    source = source[:source.find(".dir")]
+                elif '<internal>' in source:
+                    source = last_source
+                else:
+                    source = os.path.basename(source)
+
+            if source not in size_by_source:
+                size_by_source[source] = SectionSize()
+
+            last_real_size =  operator.sub(int(current_addr, 16), int(last_addr, 16))
+            if operator.ne(last_size, 0x00) and operator.gt(last_real_size, last_size):
+                #fixed the last size from address by the size not from last section
+                if (last_section != None) and (current_section != last_section ):
+                    #fixed the last size from last source
+                    if (last_source != None) and (source != last_source):
+                        size_by_source[last_source].add_clang_llvm_section(last_section, (last_real_size - last_size))
+                    else:
+                        size_by_source[source].add_clang_llvm_section(last_section, (last_real_size - last_size))
+                else:
+                    if (last_source != None) and (source != last_source):
+                        size_by_source[last_source].add_clang_llvm_section(current_section, (last_real_size - last_size))
+                    else:
+                        size_by_source[source].add_clang_llvm_section(current_section, (last_real_size - last_size))
+            size_by_source[source].add_clang_llvm_section(current_section, size)
+
+            last_addr = current_addr
+            last_size = size
+            last_section = current_section;
+            last_source = source;
+
+# Print out summary
+sources = list(size_by_source.keys())
+sources.sort(key = lambda x: size_by_source[x].total())
+sumrom = sumram = sumcode = sumdata = sumbss = sumcustomize = 0
+
+print('---------------------------------------------------------------------------------------------------')
+col_format = "%-20s\t%-12s\t%-12s\t%-7s\t%-12s\t%-12s\t%-7s"
+print(col_format % ("module file", "ROM(text+data)", "RAM(data+bss)", ".text", ".data", ".bss", "customize"))
+for source in sources:
+    size = size_by_source[source]
+    sumcode += size.text
+    sumdata += size.data
+    sumbss  += size.bss
+    sumrom += size.rom()
+    sumram += size.ram()
+    sumcustomize += size.customize
+    print(col_format % (os.path.basename(source), size.rom(), size.ram(), size.text, size.data, size.bss, size.customize))
+
+print('---------------------------------------------------------------------------------------------------')
+col_format = "%-5s\t%-12s\t%-12s\t%-7s\t%-12s\t%-12s\t%-7s\t%-7s\t%-7s"
+print(col_format % ("    ", "ROM(text+data)", "RAM(data+bss)", ".text", ".data", ".bss", "cust", "stack", "heap" ))
+print(col_format % ("total", sumrom, sumram, sumcode, sumdata, sumbss, sumcustomize, stack, heap))
+print('---------------------------------------------------------------------------------------------------')