| ; | |
| ; Copyright (c) 2024, Ampere Computing LLC. All rights reserved.<BR> | |
| ; Copyright (c) 2011, Hewlett-Packard Company. All rights reserved.<BR> | |
| ; | |
| ; SPDX-License-Identifier: BSD-2-Clause-Patent | |
| ; | |
| LOCAL &imgstart &filehdrstart &debugdirentryrva &debugtype &debugrva &dwarfsig &baseofcode &baseofdata &elfbase &elfpath &pathoffset | |
| ENTRY &imgstart | |
| &imgstart=&imgstart | |
| print "PE32 image found at &imgstart" | |
| ; offset from dos hdr to PE file hdr (i.e. 'PE\0\0' signature) | |
| &filehdrstart=&imgstart+Data.Long(c:&imgstart+0x3C) | |
| ; offset to debug dir in PE hdrs | |
| &debugdirentryrva=Data.Long(c:&imgstart+0xf10) | |
| if &debugdirentryrva==0 | |
| ( | |
| print "no debug dir for image at &imgstart" | |
| enddo | |
| ) | |
| &debugtype=Data.Long(c:&imgstart+&debugdirentryrva+0xc) | |
| if (&debugtype!=0xdf)&&(&debugtype!=0x02) | |
| ( | |
| print "debug type is not dwarf for image at &imgstart, it's &debugtype" | |
| enddo | |
| ) | |
| &debugrva=Data.Long(c:&imgstart+&debugdirentryrva+0x14) | |
| &dwarfsig=Data.Long(c:&imgstart+&debugrva) | |
| if &dwarfsig==0x66727764 | |
| ( | |
| &pathoffset=0xc | |
| ) | |
| else | |
| ( | |
| if &dwarfsig==0x3031424E | |
| ( | |
| &pathoffset=0x10 | |
| ) | |
| else | |
| ( | |
| print "debug signature not found for image at &imgstart, its &dwarfsig" | |
| enddo | |
| ) | |
| ) | |
| &elfpath=Data.String(c:&imgstart+&debugrva+&pathoffset) | |
| &baseofcode=&imgstart+Data.Long(c:&filehdrstart+0x28) | |
| &baseofdata=&imgstart+Data.Long(c:&filehdrstart+0x2c) | |
| if (&baseofcode<&baseofdata)&&(&baseofcode!=0) | |
| ( | |
| &elfbase=&baseofcode; | |
| ) | |
| else | |
| ( | |
| &elfbase=&baseofdata; | |
| ) | |
| print "found path &elfpath with address &elfbase" | |
| ON ERROR GOSUB | |
| return | |
| data.load.elf &elfpath &elfbase /NOCODE /NOCLEAR | |
| ON error | |
| enddo |