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https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git
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f1164534ad
Fixes:0f71dcfb4a("powerpc/ftrace: Add support for -fpatchable-function-entry") Fixes:b71c9ffb14("powerpc: Add arch/powerpc/tools directory") Reported-by: Joe Lawrence <joe.lawrence@redhat.com> Acked-by: Joe Lawrence <joe.lawrence@redhat.com> Signed-off-by: Jan Stancek <jstancek@redhat.com> Fixes:8c50b72a3b("powerpc/ftrace: Add Kconfig & Make glue for mprofile-kernel") Fixes:abba759796("powerpc/kbuild: move -mprofile-kernel check to Kconfig") Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Reviewed-by: Naveen N Rao (AMD) <naveen@kernel.org> Reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/cc6cdd116c3ad9d990df21f13c6d8e8a83815bbd.1758641374.git.jstancek@redhat.com
26 lines
917 B
Bash
Executable File
26 lines
917 B
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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set -e
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# To debug, uncomment the following line
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# set -x
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# Output from -fpatchable-function-entry can only vary on ppc64 elfv2, so this
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# should not be invoked for other targets. Therefore we can pass in -m64 and
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# -mabi explicitly, to take care of toolchains defaulting to other targets.
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# Test whether the compile option -fpatchable-function-entry exists and
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# generates appropriate code
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echo "int func() { return 0; }" | \
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$* -m64 -mabi=elfv2 -S -x c -O2 -fpatchable-function-entry=2 - -o - 2> /dev/null | \
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grep -q "__patchable_function_entries"
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# Test whether nops are generated after the local entry point
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echo "int x; int func() { return x; }" | \
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$* -m64 -mabi=elfv2 -S -x c -O2 -fpatchable-function-entry=2 - -o - 2> /dev/null | \
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awk 'BEGIN { RS = ";" } /\.localentry.*nop.*\n[[:space:]]*nop/ { print $0 }' | \
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grep -q "func:"
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exit 0
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