https://sourceware.org/bugzilla/show_bug.cgi?id=16980
Bug ID: 16980
Summary: gold produces incomplete -M (map) output
Product: binutils
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: gold
Assignee: ian at airs dot com
Reporter: ppluzhnikov at google dot com
CC: ccoutant at google dot com
Using current trunk:
echo "int main() {}" | g++ -g -xc++ - -o /tmp/t -B/tmp/ld-gold
-Wl,-Map=/tmp/map-gold
readelf -WS /tmp/t | grep debug_line
[31] .debug_line PROGBITS 0000000000000000 001156 00003a 00
0 0 1
grep debug_line /tmp/map-gold
... no output. Where did the debug_line in /tmp/t come from?
Contrast this with BFD-ld:
echo "int main() {}" | g++ -g -xc++ - -o /tmp/t -B/tmp/ld-bfd
-Wl,-Map=/tmp/map-bfd
readelf -WS /tmp/t | grep debug_line
[30] .debug_line PROGBITS 0000000000000000 00110d 00003a 00
0 0 1
grep debug_line /tmp/map-bfd
.debug_line 0x0000000000000000 0x3a
*(.debug_line .debug_line.* .debug_line_end)
.debug_line 0x0000000000000000 0x3a /tmp/cceom6fx.o
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