odin-abl/BeagleBoardPkg/Debugger_scripts/trace32_load_symbols_cygwin.cmm
2021-07-23 18:06:52 +00:00

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//
// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
//
// This program and the accompanying materials
// are licensed and made available under the terms and conditions of the BSD License
// which accompanies this distribution. The full text of the license may be found at
// http://opensource.org/licenses/bsd-license.php
//
// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
//
ENTRY &ram_start &ram_size
;If system is running then stop the execution so we can load symbols.
break
;Reset all windows
WINPAGE.RESET
AREA.Reset
AREA.Create SYMBOL 300. 100.
AREA.View SYMBOL
AREA.Select SYMBOL
SYS.Option BE OFF
; Added based on suggestion from Lauterbach support.
MMU.TABLEWALK ON
MMU.ON
GOSUB load_symbols &ram_start &ram_size
;Open some windows.
WINPOS 83.125 29.063 48. 9. 0. 0. W003
Register
WINPOS 83.25 10. 48. 9. 0. 1. W002
Var.Local
END
find_system_table:
ENTRY &mem_start &mem_size
&mem_ptr=&mem_start+&mem_size
RPT
(
&mem_ptr=&mem_ptr-0x400000 // 4 MB
&word1=Data.LONG(D:&mem_ptr)
&word2=Data.LONG(D:&mem_ptr+0x04)
IF &word1==0x20494249
(
IF &word2==0x54535953
(
&result=Data.LONG(D:&mem_ptr+0x08)
RETURN &result
)
)
)
WHILE &mem_ptr>&mem_start
&result=0
RETURN &result
compare_guid:
ENTRY &guid
IF Data.LONG(D:&guid)==0x49152E77
(
IF Data.LONG(D:&guid+0x04)==0x47641ADA
(
IF Data.LONG(D:&guid+0x08)==0xFE7AA2B7
(
IF Data.LONG(D:&guid+0x0C)==0x8B5ED9FE
(
RETURN 0
)
)
)
)
RETURN 1
find_debug_info_table_header:
ENTRY &system_table
&config_table_entries=Data.LONG(D:&system_table+0x40)
&config_table_pointer=Data.LONG(D:&system_table+0x44)
RPT &config_table_entries
(
GOSUB compare_guid &config_table_pointer
ENTRY &result
IF &result==0
(
&result=Data.LONG(D:&config_table_pointer+0x10)
RETURN &result
)
&config_table_pointer=&config_table_pointer+0x14
)
RETURN 0;
valid_pe_header:
ENTRY &header
IF Data.BYTE(D:&header+0x00)==0x4D
(
IF Data.BYTE(D:&header+0x01)==0x5A
(
IF Data.BYTE(D:&header+0x80)==0x50
(
IF Data.BYTE(D:&header+0x81)==0x45
(
RETURN 1
)
)
)
)
RETURN 0
get_file_string:
ENTRY &stringOffset
local &string
&more_string=data.string(d:&stringOffset)
if (string.len("&more_string")>=128.)
(
&string="&string"+"&more_string"
&stringOffset=&stringOffset+string.len("&more_string")
//Get remaining file string
GOSUB get_file_string &stringOffset
ENTRY &more_string
&string="&string"+"&more_string"
)
else
(
&string="&string"+"&more_string"
&more_string=""
)
RETURN &string
load_symbol_file:
ENTRY &header &load_address
GOSUB valid_pe_header &header
ENTRY &result
IF &result==1
(
&debugOffset=Data.LONG(D:&header+0x0128)
&stringOffset=&header+&debugOffset+0x002C
&stringOffset=&stringOffset+11.
GOSUB get_file_string &stringOffset
ENTRY &filestring
&filestring="c:"+"&filestring"
PRINT "&filestring 0x" &load_address
Data.load.elf &filestring &load_address /nocode /noclear
)
RETURN
pe_headersize:
ENTRY &header;
RETURN Data.LONG(D:&header+0x00AC)
load_symbols:
ENTRY &mem_start &mem_size
GOSUB find_system_table &mem_start &mem_size
ENTRY &system_table
GOSUB find_debug_info_table_header &system_table
ENTRY &debug_info_table_header
&debug_info_table=Data.LONG(D:&debug_info_table_header+0x08)
&debug_info_table_size=Data.LONG(D:&debug_info_table_header+0x04)
&index=0
RPT &debug_info_table_size
(
&debug_image_info=Data.LONG(D:&debug_info_table+&index)
IF &debug_image_info==0
RETURN
&loaded_image_protocol=Data.LONG(D:&debug_image_info+0x04);
&image_base=Data.LONG(D:&loaded_image_protocol+0x20);
GOSUB pe_headersize &image_base
ENTRY &header_size
&image_load_address=&image_base+&header_size
GOSUB load_symbol_file &image_base &image_load_address
&index=&index+0x4
)
RETURN