63 lines
1.7 KiB
Groff
63 lines
1.7 KiB
Groff
.TH AELFLOD 1 2017-01-18
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.SH NAME
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aelflod \- ACK ELF loader
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.SH SYNOPSIS
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.B aelflod
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[\-a\fInumber\fP] [\-b] [\-h] [\-l] [\-m\fInumber\fP] [\-v]
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inputfile outputfile
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.SH DESCRIPTION
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.I aelflod
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converts an absolute ack.out file into a simple binary memory
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dump wrapped up in an ELF executable.
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It is suitable for producing executables for operating systems
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such as Linux.
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.PP
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.I aelflod
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accepts the following flags:
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.TP
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.BI \-a number
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Set the ABI in the ELF header to \fInumber\fP.
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The default value is \fI3\fP for Linux.
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.TP
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.B \-b
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Write a big-endian ELF file.
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.TP
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.B \-h
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Print a help message and exit.
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.TP
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.B \-l
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Write a little-endian ELF file.
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This is the default.
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.TP
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.BI \-m number
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Set the machine type in the ELF header to \fInumber\fP.
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The default value is \fI3\fP for Intel 386 (i386).
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Other values are \fI4\fP for Motorola 68000 (m68k)
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and \fI20\fP for PowerPC.
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.TP
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.BI \-f number
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Set the processor flags in the ELF header to \fInumber\fP.
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The default value is 0.
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.TP
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.B \-v
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Be verbose.
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.PP
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The input file must contain exactly four segments: TEXT, ROM,
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DATA and BSS, in that order, all occupying contiguous memory.
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The file must have all references resolved and be linked to a
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fixed address.
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The fixed address must be at least 0x54 bytes greater than a
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page boundary, in order to make room for the ELF header itself.
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.PP
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.I aelflod
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will write out an ELF header followed by each segment, in order,
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ensuring that enough padding is inserted between each segment
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to keep the offsets correct.
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The created executable will contain just one ELF segment mapped rwx.
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.PP
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If the input file has symbols, then
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.I aelflod
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will convert the symbol table to ELF.
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The output file has ELF section headers if and only if it has symbols.
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.SH "SEE ALSO"
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ack.out(5)
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