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Fri, 24 Jul 2020 15:49:16 -0700 (PDT) Date: Fri, 24 Jul 2020 15:49:01 -0700 In-Reply-To: Message-Id: <191c67db31264b69cf6b566fd69851beb3dd0abb.1595630874.git.morbo@google.com> Mime-Version: 1.0 References: X-Mailer: git-send-email 2.28.0.rc0.142.g3c755180ce-goog Subject: [PATCH v2] powerpc/64s: allow for clang's objdump differences From: Bill Wendling To: Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras Content-Type: text/plain; charset="UTF-8" X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linuxppc-dev@lists.ozlabs.org, Bill Wendling Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Clang's objdump emits slightly different output from GNU's objdump, causing a list of warnings to be emitted during relocatable builds. E.g., clang's objdump emits this: c000000000000004: 2c 00 00 48 b 0xc000000000000030 ... c000000000005c6c: 10 00 82 40 bf 2, 0xc000000000005c7c while GNU objdump emits: c000000000000004: 2c 00 00 48 b c000000000000030 <__start+0x30> ... c000000000005c6c: 10 00 82 40 bne c000000000005c7c Adjust llvm-objdump's output to remove the extraneous '0x' and convert 'bf' and 'bt' to 'bne' and 'beq' resp. to more closely match GNU objdump's output. Note that clang's objdump doesn't yet output the relocation symbols on PPC. Signed-off-by: Bill Wendling --- arch/powerpc/tools/unrel_branch_check.sh | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/powerpc/tools/unrel_branch_check.sh b/arch/powerpc/tools/unrel_branch_check.sh index 77114755dc6f..6e6a30aea3ed 100755 --- a/arch/powerpc/tools/unrel_branch_check.sh +++ b/arch/powerpc/tools/unrel_branch_check.sh @@ -31,7 +31,10 @@ grep -e "^c[0-9a-f]*:[[:space:]]*$[0-9a-f][0-9a-f][[:space:]]$\{4\}[[:space:]] grep -v '\<__start_initialization_multiplatform>' | grep -v -e 'b.\?.\?ctr' | grep -v -e 'b.\?.\?lr' | -sed 's/://' | +sed -e 's/\bbt.\?[[:space:]]*[[:digit:]][[:digit:]]*,/beq/' \ + -e 's/\bbf.\?[[:space:]]*[[:digit:]][[:digit:]]*,/bne/' \ + -e 's/[[:space:]]0x/ /' \ + -e 's/://' | awk '{ print $1 ":" $6 ":0x" $7 ":" $8 " "}' )