https://sourceware.org/bugzilla/show_bug.cgi?id=32913
Bug ID: 32913
Summary: dwp fatal error removes a.out file
Product: binutils
Version: 2.45 (HEAD)
Status: NEW
Severity: normal
Priority: P2
Component: gold
Assignee: ccoutant at gmail dot com
Reporter: vries at gcc dot gnu.org
CC: ian at airs dot com
Target Milestone: ---
Say you compiled some source file to a.out:
...
$ g++-14 test.cc -g
$ ls a.out
a.out
...
Now say we invoke dwp to produce a fatal error:
...
$ dwp -o bla.dwp
dwp: fatal error: no input files and no executable specified
$
...
Dwp has removed a.out:
...
$ ls a.out
ls: cannot access 'a.out': No such file or directory
$
...
This is because dwp used gold options, and the output file option has an a.out
default:
...
(gdb) p options.output_
$3 = {<gold::options::Struct_var> = {
_vptr.Struct_var = 0x6c00a8 <vtable for
gold::General_options::Struct_output+16>}, option = {
longname = "output", dashes = gold::options::TWO_DASHES, shortname = 111
'o',
default_value = 0x6d9cc0 "a.out", helpstring = 0x6d9cab "Set output file
name",
helparg = 0x6d86ef "FILE", optional_arg = false, reader = 0x7fffffff8758,
is_default = false},
user_set_via_option = false, value = 0x6d9cc0 "a.out"}
...
and dwp uses gold_fatal, which removes the gold output file.
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