Known Issues: GNU Toolchain for DWC ARC Processors, v2017.09

9000631432: Deja-gnu failures with options -flto and -fno-fat-lto-objects

Description:

Some deja-gnu GCC tests fail for uClibc toolchain when using the combination of -flto and -fno-fat-lto-objects options.

Workaround:

Don't use -fno-flat-objects option when compiling with FTO.

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9000658992: GDB for Linux complains about missing SO symbols with sysroot set

Description:

When debugging user space programs on Linux via GDB, users may notice GDB warning messages indicating "Could not load shared symbols for ." This warning happens when gdbserver is invoked with non-full path for the target binary, for example gdbserver :10000 hello. Gdbserver works fine with this invocation and resolves the binary location using PATH however the GDB client emits the warning.

There are no negative effects from these messages and debugging works fine.

Workaround:

Start gdbserver with full path to target program, for example gdbserver :10000 /usr/bin/hello.

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