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S390 has several load and store instructions with target operand addressing relative to the program counter, for example lrl, lgrl, strl, stgrl. These instructions are handled similar to x86. Objdump output displays those instructions as: 9595c: c4 2d 00 09 9c 54 lgrl %r7,1c8540 <mp_+0x60> This output is parsed (like on x86) and perf annotate shows those lines as: lgrl %r7,mp_+0x60 This patch handles the s390 specific instruction parsing for PC relative load and store instructions. Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Link: http://lkml.kernel.org/r/20180308120913.14802-1-tmricht@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.