https://sourceware.org/bugzilla/show_bug.cgi?id=25828
Bug ID: 25828
Summary: nm for pdp11-aout shows symbols undefined or
sign-extended to 64 bits
Product: binutils
Version: 2.35 (HEAD)
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: casner at acm dot org
Target Milestone: ---
Presumably since the creation of the pdp11-aout target 20 years ago, a symbol
defined in a linker script that is referenced as a global variable in a source
file will be shown as undefined by nm:
00000000 T __start
00000000 T _start
00000000 T main
00000000 t pr14962a.o
00000002 t pr14962b.o
00000000 T start
U x
Separately, symbols with the MSB set will be shown sign-extended to 64 bits,
whereas PDP11 addresses are only 16 bits.
00000000 A DATA_LENGTH
00001000 A DATA_ORIGIN
ffffffffffff8000 A TXT_LENGTH
00000100 A TXT_ORIGIN
00001004 D data_end
00001000 T data_start
00001000 D data_symbol
00001000 D fred
00000104 T text_end
00000100 T text_start
00000100 T text_symbol
00000100 t tmpdir/script.o
ffffffffffff8100 D tred
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