https://sourceware.org/bugzilla/show_bug.cgi?id=18390
Nick Clifton <nickc at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
CC| |nickc at redhat dot com
--- Comment #1 from Nick Clifton <nickc at redhat dot com> ---
Hi Raymond,
The only way that I can think of is that the entries refer to addresses
within the .text section, but they have a $d data symbol associated with them.
For example, using the testcase from PR 12974, the line number table of the
assembled start.o binary looks like this:
Line Number Statements:
[0x00000028] Extended opcode 2: set Address to 0x0
[0x0000002f] Special opcode 8: advance Address by 0 to 0x0 and Line by 3 to
4
[0x00000030] Special opcode 34: advance Address by 4 to 0x4 and Line by 1 to
5
[0x00000031] Special opcode 34: advance Address by 4 to 0x8 and Line by 1 to
6
[0x00000032] Special opcode 34: advance Address by 4 to 0xc and Line by 1 to
7
[0x00000033] Special opcode 34: advance Address by 4 to 0x10 and Line by 1
to 8
[0x00000034] Special opcode 34: advance Address by 4 to 0x14 and Line by 1
to 9
[0x00000035] Special opcode 36: advance Address by 4 to 0x18 and Line by 3
to 12
[0x00000036] Special opcode 37: advance Address by 4 to 0x1c and Line by 4
to 16
[0x00000037] Special opcode 34: advance Address by 4 to 0x20 and Line by 1
to 17
[0x00000038] Special opcode 34: advance Address by 4 to 0x24 and Line by 1
to 18
[0x00000039] Advance Line by -14 to 4
[0x0000003b] Special opcode 33: advance Address by 4 to 0x28 and Line by 0
to 4
[0x0000003c] Special opcode 41: advance Address by 4 to 0x2c and Line by 8
to 12
[0x0000003d] Special opcode 37: advance Address by 4 to 0x30 and Line by 4
to 16
The entries at 0x00000039 .. 0x0000003d refer to the literal pool. If you look
at the symbol table for start.o then you will see:
00000000 t $a
00000028 t $d
Ie addresses 0x0 .. 0x27 contain code, but address 0x28 onwards contain data.
I hope that this helps.
Cheers
Nick
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