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[37.24.206.209]) by smtp.gmail.com with ESMTPSA id l1-20020a6b7f01000000b007b7706d80bfsm1669256ioq.19.2023.12.15.03.59.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 Dec 2023 03:59:42 -0800 (PST) Message-ID: <5e1fe3bc-78ca-4c54-a19c-f8efa015f839@suse.com> Date: Fri, 15 Dec 2023 12:59:39 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: Binutils Cc: Nick Clifton , Alan Modra From: Jan Beulich Subject: [PATCH 00/22] ELF: correct handling of simplified section directives Autocrypt: addr=jbeulich@suse.com; keydata= xsDiBFk3nEQRBADAEaSw6zC/EJkiwGPXbWtPxl2xCdSoeepS07jW8UgcHNurfHvUzogEq5xk hu507c3BarVjyWCJOylMNR98Yd8VqD9UfmX0Hb8/BrA+Hl6/DB/eqGptrf4BSRwcZQM32aZK 7Pj2XbGWIUrZrd70x1eAP9QE3P79Y2oLrsCgbZJfEwCgvz9JjGmQqQkRiTVzlZVCJYcyGGsD /0tbFCzD2h20ahe8rC1gbb3K3qk+LpBtvjBu1RY9drYk0NymiGbJWZgab6t1jM7sk2vuf0Py O9Hf9XBmK0uE9IgMaiCpc32XV9oASz6UJebwkX+zF2jG5I1BfnO9g7KlotcA/v5ClMjgo6Gl MDY4HxoSRu3i1cqqSDtVlt+AOVBJBACrZcnHAUSuCXBPy0jOlBhxPqRWv6ND4c9PH1xjQ3NP nxJuMBS8rnNg22uyfAgmBKNLpLgAGVRMZGaGoJObGf72s6TeIqKJo/LtggAS9qAUiuKVnygo 3wjfkS9A3DRO+SpU7JqWdsveeIQyeyEJ/8PTowmSQLakF+3fote9ybzd880fSmFuIEJldWxp Y2ggPGpiZXVsaWNoQHN1c2UuY29tPsJgBBMRAgAgBQJZN5xEAhsDBgsJCAcDAgQVAggDBBYC AwECHgECF4AACgkQoDSui/t3IH4J+wCfQ5jHdEjCRHj23O/5ttg9r9OIruwAn3103WUITZee e7Sbg12UgcQ5lv7SzsFNBFk3nEQQCACCuTjCjFOUdi5Nm244F+78kLghRcin/awv+IrTcIWF hUpSs1Y91iQQ7KItirz5uwCPlwejSJDQJLIS+QtJHaXDXeV6NI0Uef1hP20+y8qydDiVkv6l IreXjTb7DvksRgJNvCkWtYnlS3mYvQ9NzS9PhyALWbXnH6sIJd2O9lKS1Mrfq+y0IXCP10eS FFGg+Av3IQeFatkJAyju0PPthyTqxSI4lZYuJVPknzgaeuJv/2NccrPvmeDg6Coe7ZIeQ8Yj t0ARxu2xytAkkLCel1Lz1WLmwLstV30g80nkgZf/wr+/BXJW/oIvRlonUkxv+IbBM3dX2OV8 AmRv1ySWPTP7AAMFB/9PQK/VtlNUJvg8GXj9ootzrteGfVZVVT4XBJkfwBcpC/XcPzldjv+3 HYudvpdNK3lLujXeA5fLOH+Z/G9WBc5pFVSMocI71I8bT8lIAzreg0WvkWg5V2WZsUMlnDL9 mpwIGFhlbM3gfDMs7MPMu8YQRFVdUvtSpaAs8OFfGQ0ia3LGZcjA6Ik2+xcqscEJzNH+qh8V m5jjp28yZgaqTaRbg3M/+MTbMpicpZuqF4rnB0AQD12/3BNWDR6bmh+EkYSMcEIpQmBM51qM EKYTQGybRCjpnKHGOxG0rfFY1085mBDZCH5Kx0cl0HVJuQKC+dV2ZY5AqjcKwAxpE75MLFkr wkkEGBECAAkFAlk3nEQCGwwACgkQoDSui/t3IH7nnwCfcJWUDUFKdCsBH/E5d+0ZnMQi+G0A nAuWpQkjM1ASeQwSHEeAWPgskBQL X-Spam-Status: No, score=-3026.3 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1785349108770135389 X-GMAIL-MSGID: 1785349108770135389 Various targets override .bss (many), .text, or .data (a few) handling, and sadly more often than not these overrides break things: In some cases .previous doesn't work as intended, while in other cases the sub-section specifier that ELF allows also for .bss for isn't recognized. Fix this (first primarily for .bss, then for .text/.data), putting in place tests to cover these pretty universal ELF aspects. Speaking of "universal ELF aspects": Three targets (csky, mcore, and spu) handle .bss much like .lcomm. There surely are reasons for this, but it feels at best odd. 01: Arm: drop .bss override 02: Arm64: drop .bss override 03: RISC-V: drop .bss override 04: IA64: drop .bss override 05: bfin: drop .bss override 06: m32c: drop .bss override 07: m68k: drop .bss override 08: microblaze: drop/restrict override of .text, .data, and .bss 09: rl78: drop .bss override 10: rx: drop .bss override 11: s390: drop .bss override 12: score: drop .bss override 13: visium: drop .bss and .skip overrides 14: z80: drop .bss override 15: ELF: test certain .bss usages 16: v850: drop .bss override 17: gas: correct .bss documentation for non-ELF 18: d30v: fix .text/.data interaction with .previous 19: hppa/ELF: fix .text/.data interaction with .previous 20: nios2: fix .text/.data interaction with .previous 21: pru: fix .text/.data interaction with .previous 22: ELF: test certain .text/.data usages Jan