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部件号：ARM-CGT-CLANG
客户正在将自开发的操作系统从 GCC 移植到 TI-Clang。
编译器版本：TI-CGT-armllvm_4.0.4.LTS
在编译其工程时、他们发现了一些警告：
警告#10278-D：为 “.data.__ns_errno：kservice.o“段指定的加载位置。 此段包含 由链接器生成的复制表和 C/C++ 自动初始化所需的解压缩例程。 必须确保 在执行 C/C++引导代码或将此段放置在单个 分配说明符（例如，“>存储器“）之前、将此段复制到运行地址。 警告#10278-D：为 “.bss.ns_kprintf.ns_log_buf：kservice.o“段指定的加载位置。 此段包含 由链接器生成的复制表和 C/C++ 自动初始化所需的解压缩例程。 必须确保 在执行 C/C++引导代码或将此段放置在单个 分配说明符（例如，“>存储器“）之前、将此段复制到运行地址。
示例：
1)__ns_errno：
2) ns_log_buf[]：
cmd 文件是 lpf3_nortos.cmd
/*
* Copyright (c) 2021-2025, Texas Instruments Incorporated
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Texas Instruments Incorporated nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "ti_utils_build_linker.cmd.genmap"
--stack_size=1024 /* C stack is also used for ISR stack */
--heap_size=8192
/* Retain interrupt vector table variable */
--retain "*(.resetVecs)"
/* Override default entry point. */
--entry_point resetISR
/* Allow main() to take args */
--args 0x8
/* Suppress warnings and errors: */
/* - 10063: Warning about entry point not being _c_int00 */
/* - 16011, 16012: 8-byte alignment errors. Observed when linking in object */
/* files compiled using Keil (ARM compiler) */
--diag_suppress=10063,16011,16012
/* Set severity of diagnostics to Remark instead of Warning */
/* - 10068: Warning about no matching log_ptr* sections */
--diag_remark=10068
/* The following command line options are set as part of the CCS project. */
/* If you are building using the command line, or for some reason want to */
/* define them here, you can uncomment and modify these lines as needed. */
/* If you are using CCS for building, it is probably better to make any such */
/* modifications in your CCS project and leave this file alone. */
/* */
/* --heap_size=0 */
/* --stack_size=2048 */
/* The starting address of the application. Normally the interrupt vectors */
/* must be located at the beginning of the application. */
#define FLASH_BASE ti_utils_build_GenMap_FLASH0_BASE
#if (defined(ti_utils_build_GenMap_HSM_FW_BASE) && (ti_utils_build_GenMap_HSM_FW_BASE < ti_utils_build_GenMap_FLASH0_BASE + ti_utils_build_GenMap_FLASH0_SIZE))
/* The last part of Flash is reserved for the HSM FW, if it overlaps.
* Otherwise Flash size stays the same.
*/
#define FLASH_SIZE (ti_utils_build_GenMap_HSM_FW_BASE - ti_utils_build_GenMap_FLASH0_BASE)
#else
#define FLASH_SIZE ti_utils_build_GenMap_FLASH0_SIZE
#endif
#define RAM_BASE ti_utils_build_GenMap_RAM0_BASE
#define RAM_SIZE ti_utils_build_GenMap_RAM0_SIZE
#if defined(ti_utils_build_GenMap_S2RRAM_BASE) && \
defined(ti_utils_build_GenMap_S2RRAM_SIZE)
#define S2RRAM_BASE ti_utils_build_GenMap_S2RRAM_BASE
#define S2RRAM_SIZE ti_utils_build_GenMap_S2RRAM_SIZE
#endif
#define CCFG_BASE ti_utils_build_GenMap_CCFG_BASE
#define CCFG_SIZE ti_utils_build_GenMap_CCFG_SIZE
#if defined(ti_utils_build_GenMap_SCFG_BASE) && \
defined(ti_utils_build_GenMap_SCFG_SIZE)
#define SCFG_BASE ti_utils_build_GenMap_SCFG_BASE
#define SCFG_SIZE ti_utils_build_GenMap_SCFG_SIZE
#endif
/* System memory map */
MEMORY
{
/* Application stored in and executes from internal flash */
#if defined(ti_utils_build_GenMap_SECURE_BOOT_FLASH_BASE)
FLASH (RX) : origin = ti_utils_build_GenMap_SECURE_BOOT_FLASH_BASE, length = ti_utils_build_GenMap_SECURE_BOOT_FLASH_SIZE
#else
FLASH (RX) : origin = FLASH_BASE, length = FLASH_SIZE
#endif
/* Application uses internal RAM for data */
#if defined(ti_utils_build_GenMap_SECURE_BOOT_RAM_BASE)
SRAM (RWX) : origin = ti_utils_build_GenMap_SECURE_BOOT_RAM_BASE, length = ti_utils_build_GenMap_SECURE_BOOT_RAM_SIZE
#else
SRAM (RWX) : origin = RAM_BASE, length = RAM_SIZE
#endif
#if defined(S2RRAM_BASE) && defined(S2RRAM_SIZE)
/* S2RRAM is intended for the S2R radio module, but it can also be used by
* the application with some limitations. Please refer to the s2rram example.
*/
S2RRAM (RW) : origin = S2RRAM_BASE, length = S2RRAM_SIZE
#endif
/* Configuration region */
CCFG (R) : origin = CCFG_BASE, length = CCFG_SIZE
#if defined(SCFG_BASE) && defined(SCFG_SIZE)
/* Security configuration region */
SCFG (R): origin = SCFG_BASE, length = SCFG_SIZE
#endif
/* Explicitly placed off target for the storage of logging data.
* The ARM memory map allocates 1 GB of external memory from 0x60000000 - 0x9FFFFFFF.
* Unlikely that all of this will be used, so we are using the upper parts of the region.
* ARM memory map: developer.arm.com/.../
LOG_DATA (R) : origin = 0x90000000, length = 0x40000 /* 256 KB */
LOG_PTR (R) : origin = 0x94000008, length = 0x40000 /* 256 KB */
}
/* Section allocation in memory */
SECTIONS
{
#if defined(ti_utils_build_GenMap_SECURE_BOOT_FLASH_BASE)
.resetVecs : > ti_utils_build_GenMap_SECURE_BOOT_FLASH_BASE
#else
.resetVecs : > FLASH_BASE
#endif
.text : > FLASH
.TI.ramfunc : {} load=FLASH, run=SRAM, table(BINIT)
.const : > FLASH
.constdata : > FLASH
.rodata : > FLASH
.binit : > FLASH
.cinit : > FLASH
.pinit : > FLASH
.init_array : > FLASH
.emb_text : > FLASH
.ccfg : > CCFG
#if defined(SCFG_BASE) && defined(SCFG_SIZE)
.scfg : > SCFG
#endif
.ramVecs : > SRAM, type = NOLOAD, ALIGN(256)
.data : > SRAM
.bss : > SRAM
.sysmem : > SRAM
.stack : > SRAM (HIGH)
.nonretenvar : > SRAM
#if defined(S2RRAM_BASE) && defined(S2RRAM_SIZE)
/* Placing the section .s2rram in S2RRAM region. Only uninitialized
* objects may be placed in this section.
*/
.s2rram : > S2RRAM, type = NOINIT
#endif
.log_data : > LOG_DATA, type = COPY
.log_ptr : { *(.log_ptr*) } > LOG_PTR align 4, type = COPY
}
问题：
- 这种警告是如何发生的？
- 如何处理此警告？ 在哪里可以找到处理警告的指南？
谢谢。
此致、
Connor
