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