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On FreeBSD, absolute paths are passed unmodified in AT_EXECPATH, but relative paths are resolved to absolute paths, and any symlinks will be followed in the process. This means that the resource dir calculation will be wrong if Clang is invoked as an absolute path to a symlink, and this currently causes clang/test/Driver/rocm-detect.hip to fail on FreeBSD. Thus, make sure to call realpath on the result, just like is done on macOS. Whilst here, clean up the old fallback auxargs loop to use the actual type for auxargs rather than using lots of hacky casts that rely on addresses and pointers being the same (which is not the case on CHERI, and thus Arm's prototype Morello, although for little-endian systems it happens to work still as the word-sized integer will be padded to a full pointer, and it's someone academic given dereferencing past the end of environ will give a bounds fault, but CheriBSD is new enough that the elf_aux_info path will be used). This also makes the code easier to follow, and removes the confusing double-increment of p. Reviewed By: dim, arichardson Differential Revision: https://reviews.llvm.org/D103346 |
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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.