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As of binutils 2.36, GNU strip calls chown(2) for "sudo strip foo" and "sudo strip foo -o foo", but no "sudo strip foo -o bar" or "sudo strip foo -o ./foo". In other words, while "sudo strip foo -o bar" creates a new file bar with root access, "sudo strip foo" will keep the owner and group of foo unchanged. Currently llvm-objcopy and llvm-strip behave differently, always changing the owner and gropu to root. The discrepancy prevents Chrome OS from migrating to llvm-objcopy and llvm-strip as they change file ownership and cause intended users/groups to lose access when invoked by sudo with the following sequence (recommended in man page of GNU strip). 1.<Link the executable as normal.> 1.<Copy "foo" to "foo.full"> 1.<Run "strip --strip-debug foo"> 1.<Run "objcopy --add-gnu-debuglink=foo.full foo"> This patch makes llvm-objcopy and llvm-strip follow GNU's behavior. Link: crbug.com/1108880 |
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| .. | ||
| COM.inc | ||
| DynamicLibrary.inc | ||
| Host.inc | ||
| Memory.inc | ||
| Path.inc | ||
| Process.inc | ||
| Program.inc | ||
| README.txt | ||
| Signals.inc | ||
| Threading.inc | ||
| ThreadLocal.inc | ||
| Unix.h | ||
| Watchdog.inc | ||
llvm/lib/Support/Unix README =========================== This directory provides implementations of the lib/System classes that are common to two or more variants of UNIX. For example, the directory structure underneath this directory could look like this: Unix - only code that is truly generic to all UNIX platforms Posix - code that is specific to Posix variants of UNIX SUS - code that is specific to the Single Unix Specification SysV - code that is specific to System V variants of UNIX As a rule, only those directories actually needing to be created should be created. Also, further subdirectories could be created to reflect versions of the various standards. For example, under SUS there could be v1, v2, and v3 subdirectories to reflect the three major versions of SUS.