https://bugs.llvm.org/show_bug.cgi?id=42171
Bug ID: 42171
Summary: Default --output-target to --input-target when
unspecified
Product: tools
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: llvm-objcopy/strip
Assignee: unassignedb...@nondot.org
Reporter: ruppre...@google.com
CC: alexander.v.shaposhni...@gmail.com,
jake.h.ehrl...@gmail.com,
jh7370.2...@my.bristol.ac.uk,
llvm-bugs@lists.llvm.org, ruppre...@google.com
When -O|--output-format is unspecified, GNU objcopy defaults to whatever
-I|--input-target is (even if that is also unspecified). llvm-objcopy doesn't
do this, but instead converts it to ELF:
$ echo abc > /tmp/foo.txt
$ objcopy -I binary -Bi386 /tmp/foo.txt /tmp/bar.txt
$ file /tmp/bar.txt
/tmp/bar.txt: ASCII text
$ llvm-objcopy -I binary -Bi386 /tmp/foo.txt /tmp/bar.txt
$ file /tmp/bar.txt
/tmp/bar.txt: ELF 32-bit LSB relocatable, Intel 80386, version 1 (SYSV), not
stripped
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